Install the Windows service sample program using winapi

  • 2020-06-01 10:53:45
  • OfStack


using system;
using system.runtime.interopservices;
namespace myserviceinstaller
{

    class serviceinstaller
    {
        #region private variables
        private string _servicepath;
        private string _servicename;
        private string _servicedisplayname;
        #endregion private variables
        #region dllimport
        [dllimport("advapi32.dll")]
        public static extern intptr openscmanager(string lpmachinename, string lpscdb, int scparameter);
        [dllimport("advapi32.dll")]
        public static extern intptr createservice(intptr sc_handle, string lpsvcname, string lpdisplayname,
        int dwdesiredaccess, int dwservicetype, int dwstarttype, int dwerrorcontrol, string lppathname,
        string lploadordergroup, int lpdwtagid, string lpdependencies, string lpservicestartname, string lppassword);
        [dllimport("advapi32.dll")]
        public static extern void closeservicehandle(intptr schandle);
        [dllimport("advapi32.dll")]
        public static extern int startservice(intptr svhandle, int dwnumserviceargs, string lpserviceargvectors);
        [dllimport("advapi32.dll", setlasterror = true)]
        public static extern intptr openservice(intptr schandle, string lpsvcname, int dwnumserviceargs);
        [dllimport("advapi32.dll")]
        public static extern int deleteservice(intptr svhandle);
        [dllimport("kernel32.dll")]
        public static extern int getlasterror();
        #endregion dllimport
        /// <summary>
        ///  Application entry .
        /// </summary>

        [stathread]
        static void main(string[] args)
        {

            string svcpath;
            string svcname;
            string svcdispname;
            // The path of the service 
            svcpath = @"c:\myservice.exe";
            svcdispname = "myservice";
            svcname = "myservice";
            serviceinstaller c = new serviceinstaller();
            c.installservice(svcpath, svcname, svcdispname);
            console.read();

        }

        /// <summary>
        ///  Installation and operation 
        /// </summary>
        /// <param name="svcpath"> The program path .</param>
        /// <param name="svcname"> The service name </param>
        /// <param name="svcdispname"> Service display name .</param>
        /// <returns> Service installation was successful .</returns>
        public bool installservice(string svcpath, string svcname, string svcdispname)
        {
            #region constants declaration.
            int sc_manager_create_service = 0x0002;
            int service_win32_own_process = 0x00000010;
            //int service_demand_start = 0x00000003;
            int service_error_normal = 0x00000001;
            int standard_rights_required = 0xf0000;
            int service_query_config = 0x0001;
            int service_change_config = 0x0002;
            int service_query_status = 0x0004;
            int service_enumerate_dependents = 0x0008;
            int service_start = 0x0010;
            int service_stop = 0x0020;
            int service_pause_continue = 0x0040;
            int service_interrogate = 0x0080;
            int service_user_defined_control = 0x0100;
            int service_all_access = (standard_rights_required |
            service_query_config |
            service_change_config |
            service_query_status |
            service_enumerate_dependents |
            service_start |
            service_stop |
            service_pause_continue |
            service_interrogate |
            service_user_defined_control);
            int service_auto_start = 0x00000002;
            #endregion constants declaration.
            try
            {
                intptr sc_handle = openscmanager(null, null, sc_manager_create_service);
                if (sc_handle.toint32() != 0)
                {
                    intptr sv_handle = createservice(sc_handle, svcname, svcdispname, service_all_access, service_win32_own_process, service_auto_start, service_error_normal, svcpath, null, 0, null, null, null);
                    if (sv_handle.toint32() == 0)
                    {
                        closeservicehandle(sc_handle);
                        return false;
                    }
                    else
                    {
                        // Try the startup service 
                        int i = startservice(sv_handle, 0, null);
                        if (i == 0)
                        {

                            return false;
                        }

                        closeservicehandle(sc_handle);
                        return true;
                    }
                }
                else

                    return false;
            }
            catch (exception e)
            {
                throw e;
            }
        }
        /// <summary>
        ///  Uninstall service .
        /// </summary>
        /// <param name="svcname"> The service name .</param>
        public bool uninstallservice(string svcname)
        {
            int generic_write = 0x40000000;
            intptr sc_hndl = openscmanager(null, null, generic_write);
            if (sc_hndl.toint32() != 0)
            {
                int delete = 0x10000;
                intptr svc_hndl = openservice(sc_hndl, svcname, delete);
                if (svc_hndl.toint32() != 0)
                {
                    int i = deleteservice(svc_hndl);
                    if (i != 0)
                    {
                        closeservicehandle(sc_hndl);
                        return true;
                    }
                    else
                    {
                        closeservicehandle(sc_hndl);
                        return false;
                    }
                }
                else
                    return false;
            }
            else
                return false;
        }
    }
}


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