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WPS stands for Wi-Fi Protected Setup. It is a wireless network security standard that tries to make connections between a router and wireless devices faster and easier. WPS works only for wireless networks that use a password that is encrypted with the WPA Personal or WPA2 Personal security protocols. WPS doesn't work on wireless networks that are using the deprecated WEP security, which can be cracked easily by any hacker with a basic set of tools and skills.  Wi-Fi Users don't want to know the broadcasting ssid and password.

Push Button Configuration (PBC): In this method, a WPS physical button on the BPI and WPS option on the wireless client are pressed within a specific timeframe, initiating the connection without the need for entering a password.

WPS

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State Machine


WPS HW button Monitor component design

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  • Code Block
    root@Docsis-Gateway:~# dmcli eRT getv Device.WiFi.AccessPoint.1.WPS.Enable
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
getv from/to component(eRT.com.cisco.spvtg.ccsp.wifi): Device.WiFi.AccessPoint.1.WPS.Enable
Execution succeed.
Parameter    1 name: Device.WiFi.AccessPoint.1.WPS.Enable
               type:       bool,    value: true
root@Docsis-Gateway:~# dmcli eRT getv Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
getv from/to component(eRT.com.cisco.spvtg.ccsp.wifi): Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton
Execution succeed.
Parameter    1 name: Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton
               type:        int,    value: 0
root@Docsis-Gateway:~# dmcli eRT setv Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton int 1
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
setv from/to component(eRT.com.cisco.spvtg.ccsp.wifi): Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton
Execution succeed.
root@Docsis-Gateway:~# dmcli eRT setv Device.WiFi.ApplyAccessPointSettings bool true
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
setv from/to component(eRT.com.cisco.spvtg.ccsp.wifi): Device.WiFi.ApplyAccessPointSettings
Execution succeed.
root@Docsis-Gateway:~# dmcli eRT getv Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
getv from/to component(eRT.com.cisco.spvtg.ccsp.wifi): Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton
Execution succeed.
Parameter    1 name: Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_WpsPushButton
               type:        int,    value: 0


In BPI Target Board:
root@Filogic-GW:/lib/systemd/system# dmcli eRT setv Device.WiFi.AccessPoint.1.WPS.X_CISCO_COM_ActivatePushButton bool true
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
Execution succeed.

root@Filogic-GW:/lib/systemd/system# dmcli eRT setv Device.WiFi.AccessPoint.2.WPS.X_CISCO_COM_ActivatePushButton bool true
CR component name is: eRT.com.cisco.spvtg.ccsp.CR
subsystem_prefix eRT.
Execution succeed.


  • WPS Hardware Key Press in BPI

    • The Hardware key press is handled as a separate utility under broadband-utils repo:
      https://github.com/rdkcentral/broadband-utils

      In this implementation, Netlink sockets are handling the WPS Key press event (netlink-button-monitor.service) and further functionality is carried out by rbus API's which intimates OneWifi to carry out the WPS operation.
      The recipe is present under:
      meta-cmf-bananapi/meta-rdk-mtk-bpir4/recipes-common/rdk-wps-monitor/rdk-wps-monitor.bb

      Test Results in BPI:

      Image Modified


      Image Modified

      WPS Initiation:
      1.Change the SSID of 2G and 5G from Web UI, to test WPS feature functionality.

      Image Modified

      2. Press the WPS PBC from BananaPi hardware. Try connecting 2G and 5G clients with new SSID without entering the password.

      2G Client Connected (via Mobile):
      Image Modified

      5G Client connected (via Laptop):
      Image Modified

      3. Check the internet connectivity for both the clients.

      NOTE:
      6GHz is WPA3 personal-only. Does not support WPS!


      UI validation:

By default WPS button is hidden.  For that , change the default security mode for 6g to enable the WPS button in WebUI.

Note - WPS button will be hidden in UI if we have security mode as "None" or "WPA3-Personal" for any Access-Points as per the jst code.