cli_telnet.c

命令行在嵌入式系统的实现

            }
            strcat(szFSMInfoEn, "\r\n    the input character : 0x");
            strcat(szFSMInfoCh, "\r\n    输入字符    : 0x");
            EOS_Sprintf ( szInputChar, "%2x", c ) ;
            strcat(szFSMInfoEn, szInputChar);
            strcat(szFSMInfoCh, szInputChar);
            strcat(szFSMInfoEn, "\r\n    the next state      : TSDATA \r\n");
            strcat(szFSMInfoCh, "\r\n    下一状态    : TSDATA \r\n");
            strcat(szFSMInfoEn, "\r\n    the action          : send \"IAC WONT 0x");
            strcat(szFSMInfoCh, "\r\n    执行动作    : send \"IAC WONT 0x");
            strcat(szFSMInfoEn, szInputChar);
            strcat(szFSMInfoCh, szInputChar);
            strcat(szFSMInfoEn, "\" ");
            strcat(szFSMInfoCh, "\" ");
        }
        CLI_TelFSMDegOut(szFSMInfoEn, szFSMInfoCh);
    }

    return 1 ;
}

/*==================================================================*/
/*      函数名      :CLI_WillEcho                                   */
/*      函数功能    :处理 telnet do/don't ECHO 选项                 */
/*      输入参数    :PTerm_Data_S pTermStruct  任务数据             */
/*                   _U8 c  接收到的输入字符                      */
/*      输出参数    :PTerm_Data_S pTermStruct  任务数据             */
/*      返回值      :_U32   1:成功                                 */
/*      调用函数    :CLI_DebugOutString ( )                         */
/*      被调函数    :                                               */
/*==================================================================*/

_U32 CLI_WillEcho ( PTerm_Data_S pTermStruct, _U8 c )
{
    _S8 szFSMInfoEn[1024] = "";
    _S8 szFSMInfoCh[1024] = "";

    if(pTermStruct == G_NULL)
    {
        return 1;
    }
    if ( G_TRUE == m_bCliTelnetDebugOn )
    {
        if ( pTermStruct->iRecvLen == 1 )
        {
            strcat(szFSMInfoEn, "\r\n  The telnet NVT FSM :");
            strcat(szFSMInfoCh, "\r\n  Telnet 网络虚拟终端状态机 :");
            strcat(szFSMInfoEn, "\r\n    the current state   : TSDOPT");
            strcat(szFSMInfoCh, "\r\n    当前状态    : TSDOPT");
            strcat(szFSMInfoEn, "\r\n    the input character : ECHO ");
            strcat(szFSMInfoCh, "\r\n    输入字符    : ECHO ");
            if ( pTermStruct->TelnetParam.OptionCmd == TCDO )
            {
                strcat(szFSMInfoEn, "\r\n    the option negotiate command is : DO");
                strcat(szFSMInfoCh, "\r\n    选项协商命令: DO");
            }
            else
            {
                strcat(szFSMInfoEn, "\r\n    the option negotiate command is : DONT");
                strcat(szFSMInfoCh, "\r\n    当前状态    : DONT");
            }

            if ( pTermStruct->TelnetParam.DoEcho )
            {
                strcat(szFSMInfoEn, "\r\n    the ECHO option state        : 1 ");
                strcat(szFSMInfoCh, "\r\n    回显选项状态: 1 ");
            }
            else
            {
                strcat(szFSMInfoEn, "\r\n    the ECHO option state        : 0 ");
                strcat(szFSMInfoCh, "\r\n    回显选项状态: 0 ");
            }

            strcat(szFSMInfoEn, "\r\n    the next state      : TSDATA ");
            strcat(szFSMInfoCh, "\r\n    下一状态    : TSDATA ");
            if (   pTermStruct->TelnetParam.OptionCmd == TCDO
                && ! pTermStruct->TelnetParam.DoEcho )
            {
                strcat(szFSMInfoEn, "\r\n    the action          : send \"IAC WILL ECHO\" ");
                strcat(szFSMInfoCh, "\r\n    执行动作    : send \"IAC WILL ECHO\" ");
                strcat(szFSMInfoEn, "\r\n    Echo = 1\n\r ");
                strcat(szFSMInfoCh, "\r\n    Echo = 1\n\r ");
            }
            else if (   pTermStruct->TelnetParam.OptionCmd == TCDONT
                     && pTermStruct->TelnetParam.DoEcho )
            {
                strcat(szFSMInfoEn, "\r\n    the action          : send \"IAC WONT ECHO\" ");
                strcat(szFSMInfoCh, "\r\n    执行动作    : send \"IAC WONT ECHO\" ");
                strcat(szFSMInfoEn, "\r\n    Echo = 0\n\r ");
                strcat(szFSMInfoCh, "\r\n    Echo = 0\n\r ");
            }
        }
        CLI_TelFSMDegOut(szFSMInfoEn, szFSMInfoCh);
    }

    /*--------------------------------------------------------------*/
    /* 接收到 "IAC DO/DONT ECHO"                                    */
    /* 根据当前 ECHO 选项状态                                       */
    /* 如果已经和客户端要求相符，则不动作                           */
    /* 否则将 ECHO 选项设置为要求，并应答客户端"IAC WILL/WONT ECHO" */
    /*--------------------------------------------------------------*/
    if ( pTermStruct->TelnetParam.DoEcho )
    {
        if ( pTermStruct->TelnetParam.OptionCmd == TCDO )
            return 1 ;
    }
    else if ( pTermStruct->TelnetParam.OptionCmd == TCDONT )
        return 1 ;

    pTermStruct->TelnetParam.DoEcho = ! ( pTermStruct->TelnetParam.DoEcho ) ;
    pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)TCIAC ;
    if ( pTermStruct->TelnetParam.DoEcho )
        pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)TCWILL ;
    else
        pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)TCWONT ;
    pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)c ;

    pTermStruct->szSendBuf[ pTermStruct->iSendLen ] = '\0' ;

    CLI_SendToTerm ( pTermStruct ) ;


    return 1 ;
}

/*==================================================================*/
/*      函数名      :CLI_WillNoga                                   */
/*      函数功能    :处理telnet do/don't Supress Go-Ahead 选项      */
/*      输入参数    :PTerm_Data_S pTermStruct  任务数据             */
/*                   _U8 c  接收到的输入字符                      */
/*      输出参数    :PTerm_Data_S pTermStruct  任务数据             */
/*      返回值      :_U32   1:成功                                 */
/*      调用函数    :CLI_DebugOutString ( )                         */
/*      被调函数    :                                               */
/*==================================================================*/

_U32 CLI_WillNoga ( PTerm_Data_S pTermStruct, _U8 c )
{
    _S8 szFSMInfoEn[1024] = "";
    _S8 szFSMInfoCh[1024] = "";

    if(pTermStruct == G_NULL)
    {
        return 1;
    }
    if ( G_TRUE == m_bCliTelnetDebugOn )
    {
        if ( pTermStruct->iRecvLen == 1 )
        {
            strcat(szFSMInfoEn, "\r\n  The telnet NVT FSM :");
            strcat(szFSMInfoCh, "\r\n  Telnet 网络虚拟终端状态机 :");
            strcat(szFSMInfoEn, "\r\n    the current state   : TSDOPT");
            strcat(szFSMInfoCh, "\r\n    当前状态    : TSDOPT");
            strcat(szFSMInfoEn, "\r\n    the input character : NOGA ( NO Go Ahead ) ");
            strcat(szFSMInfoCh, "\r\n    输入字符    : NOGA ( NO Go Ahead ) ");
            if ( pTermStruct->TelnetParam.OptionCmd == TCDO )
            {
                strcat(szFSMInfoEn, "\r\n    the option negotiate command is : DO");
                strcat(szFSMInfoCh, "\r\n    选项协商命令: DO");
            }
            else
            {
                strcat(szFSMInfoEn, "\r\n    the option negotiate command is : DONT");
                strcat(szFSMInfoCh, "\r\n    当前状态    : DONT");
            }

            if ( pTermStruct->TelnetParam.Noga )
            {
                strcat(szFSMInfoEn, "\r\n    the NOGA option state        : 1 ");
                strcat(szFSMInfoCh, "\r\n    字符处理选项状态: 1 ");
            }
            else
            {
                strcat(szFSMInfoEn, "\r\n    the NOGA option state        : 0 ");
                strcat(szFSMInfoCh, "\r\n    字符处理选项状态: 0 ");
            }

            strcat(szFSMInfoEn, "\r\n    the next state      : TSDATA ");
            strcat(szFSMInfoCh, "\r\n    下一状态    : TSDATA ");
            if (   pTermStruct->TelnetParam.OptionCmd == TCDO
                && ! pTermStruct->TelnetParam.Noga )
            {
                strcat(szFSMInfoEn, "\r\n    the action          : send \"IAC WILL NOGA\" ");
                strcat(szFSMInfoCh, "\r\n    执行动作    : send \"IAC WILL NOGA\" ");
                strcat(szFSMInfoEn, "\r\n    NOGA = 1\n\r ");
                strcat(szFSMInfoCh, "\r\n    NOGA = 1\n\r ");
            }
            else if (   pTermStruct->TelnetParam.OptionCmd == TCDONT
                     && pTermStruct->TelnetParam.Noga )
            {
                strcat(szFSMInfoEn, "\r\n    the action          : send \"IAC WONT NOGA\" ");
                strcat(szFSMInfoCh, "\r\n    执行动作    : send \"IAC WONT NOGA\" ");
                strcat(szFSMInfoEn, "\r\n    NOGA = 0\n\r ");
                strcat(szFSMInfoCh, "\r\n    NOGA = 0\n\r ");
            }
        }
        CLI_TelFSMDegOut(szFSMInfoEn, szFSMInfoCh);
    }

    /*--------------------------------------------------------------*/
    /* 接收到 "IAC DO/DONT SUPRESS-GO-AHEAD"                        */
    /* 根据当前的SUPREE-GO-AHEAD 选项状态                           */
    /* 如果符合客户端的要求，则不动作                               */
    /* 否则设置SUPRESS-GO-AHEAD选项                                 */
    /* 并应答客户端"IAC WILL/WONT SUPRESS-GO-AHEAD"                 */
    /*--------------------------------------------------------------*/
    if ( pTermStruct->TelnetParam.Noga )
    {
        if ( pTermStruct->TelnetParam.OptionCmd == TCDO )
            return 1 ;
    }
    else if ( pTermStruct->TelnetParam.OptionCmd == TCDONT )
        return 1 ;

    pTermStruct->TelnetParam.Noga = ! ( pTermStruct->TelnetParam.Noga ) ;
    pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)TCIAC ;
    if ( pTermStruct->TelnetParam.Noga )
        pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)TCWILL ;
    else
        pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)TCWONT ;
    pTermStruct->szSendBuf[ pTermStruct->iSendLen++ ] = (_S8)c ;

    pTermStruct->szSendBuf[ pTermStruct->iSendLen ] = '\0' ;

    CLI_SendToTerm ( pTermStruct ) ;



    return 1 ;
}

/*==================================================================*/
/*      函数名      :CLI_DoTxBinary                                 */
/*      函数功能    :处理telnet will/won't BINARY-TRANSMISSION选项  */
/*      输入参数    :PTerm_Data_S pTermStruct  任务数据             */
/*                   _U8 c  接收到的输入字符                      */
/*      输出参数    :PTerm_Data_S pTermStruct  任务数据             */
/*      返回值      :_U32   1:成功                                 */
/*      调用函数    :CLI_DebugOutString ( )                         */
/*      被调函数    :                                               */
/*==================================================================*/

_U32 CLI_DoTxBinary ( PTerm_Data_S pTermStruct, _U8 c )
{
    _S8 szFSMInfoEn[1024] = "";
    _S8 szFSMInfoCh[1024] = "";

    if(pTermStruct == G_NULL)
    {
        return 1;
    }
    if ( G_TRUE == m_bCliTelnetDebugOn )
    {
        if ( pTermStruct->iRecvLen == 1 )
        {
            strcat(szFSMInfoEn, "\r\n  The telnet NVT FSM :");
            strcat(szFSMInfoCh, "\r\n  Telnet 网络虚拟终端状态机 :");
            strcat(szFSMInfoEn, "\r\n    the current state   : TSWOPT");
            strcat(szFSMInfoCh, "\r\n    当前状态    : TSWOPT");
            strcat(szFSMInfoEn, "\r\n    the input character : TXBINARY ( Transition Binary ) ");
            strcat(szFSMInfoCh, "\r\n    输入字符    : TXBINARY ( Transition Binary ) ");
            if ( pTermStruct->TelnetParam.OptionCmd == TCWILL )
            {
                strcat(szFSMInfoEn, "\r\n    the option negotiate command is : WILL");
                strcat(szFSMInfoCh, "\r\n    选项协商命令: WILL");
            }
            else
            {
                strcat(szFSMInfoEn, "\r\n    the option negotiate command is : WONT");
                strcat(szFSMInfoCh, "\r\n    选项协商命令: WONT");
            }

            if ( pTermStruct->TelnetParam.RecvBinary )
            {
                strcat(szFSMInfoEn, "\r\n    the RecvBinary option state   : 1 ");
                strcat(szFSMInfoCh, "\r\n    接收二进制选项状态: 1 ");
            }