HyperDbg/hyperdbg/libhyperdbg/code/debugger/commands/meta-commands/disconnect.cpp
2024-07-31 14:08:14 +09:00

99 lines
2.5 KiB
C++

/**
* @file disconnect.cpp
* @author Sina Karvandi (sina@hyperdbg.org)
* @brief .disconnect command
* @details
* @version 0.1
* @date 2020-05-27
*
* @copyright This project is released under the GNU Public License v3.
*
*/
#include "pch.h"
//
// Global Variables
//
extern BOOLEAN g_IsConnectedToHyperDbgLocally;
extern BOOLEAN g_IsConnectedToRemoteDebuggee;
extern HANDLE g_RemoteDebuggeeListeningThread;
extern HANDLE g_EndOfMessageReceivedEvent;
/**
* @brief help of the .disconnect command
*
* @return VOID
*/
VOID
CommandDisconnectHelp()
{
ShowMessages(".disconnect : disconnects from a debugging session (it won't "
"unload the modules).\n\n");
ShowMessages("syntax : \t.disconnect \n");
}
/**
* @brief .disconnect command handler
*
* @param CommandTokens
* @param Command
*
* @return VOID
*/
VOID
CommandDisconnect(vector<CommandToken> CommandTokens, string Command)
{
if (CommandTokens.size() != 1)
{
ShowMessages("incorrect use of the '%s'\n\n",
GetCaseSensitiveStringFromCommandToken(CommandTokens.at(0)).c_str());
CommandDisconnectHelp();
return;
}
if (!g_IsConnectedToHyperDbgLocally && !g_IsConnectedToRemoteDebuggee)
{
ShowMessages("you're not connected to any instance of HyperDbg, did you "
"use '.connect'? \n");
return;
}
//
// Check if it's local debugger and the driver is still
// loading (not unloaded)
//
if (g_IsConnectedToHyperDbgLocally && g_DeviceHandle)
{
ShowMessages("you cannot disconnect in local debugging while the "
"driver is still loaded. please use 'unload' command before "
"disconnecting from the current instance of debugger\n");
return;
}
//
// Disconnect the session
//
g_IsConnectedToHyperDbgLocally = FALSE;
//
// This computer is connected to a remote system
//
if (g_IsConnectedToRemoteDebuggee)
{
//
// We should kill the thread that was listening for the
// remote commands and close the connection
//
TerminateThread(g_RemoteDebuggeeListeningThread, 0);
CloseHandle(g_RemoteDebuggeeListeningThread);
CloseHandle(g_EndOfMessageReceivedEvent);
g_EndOfMessageReceivedEvent = NULL;
RemoteConnectionCloseTheConnectionWithDebuggee();
g_IsConnectedToRemoteDebuggee = FALSE;
}
ShowMessages("disconnected successfully\n");
}