Re: WPA3-Personal: wpa_supplicant in AP mode issue

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Hi,

On Tue, Mar 29, 2022 at 11:46 AM Yegor Yefremov
<yegorslists@xxxxxxxxxxxxxx> wrote:
>
> I am trying to set up an AP using wpa_supplicant only. So far, I could
> find only configuration examples for hostapd as WPA3 AP. Is it
> possible to achieve this with wpa_supplicant?
>
> My system: Ubuntu 18.04.3
> Kernel: 4.15.0-91-generic
> wpa_supplicant (built from git): wpa_supplicant
> v2.11-devel-hostap_2_10-165-g1fb907a68
>
> My wpa_supplicant .config:
>
> CONFIG_DRIVER_NL80211=y
> CONFIG_LIBNL32=y
> CONFIG_DRIVER_WIRED=y
> CONFIG_DRIVER_MACSEC_LINUX=y
> CONFIG_IEEE8021X_EAPOL=y
> CONFIG_EAP_MD5=y
> CONFIG_EAP_MSCHAPV2=y
> CONFIG_EAP_TLS=y
> CONFIG_EAP_PEAP=y
> CONFIG_EAP_TTLS=y
> CONFIG_EAP_FAST=y
> CONFIG_EAP_GTC=y
> CONFIG_EAP_OTP=y
> CONFIG_EAP_PWD=y
> CONFIG_EAP_PAX=y
> CONFIG_EAP_LEAP=y
> CONFIG_EAP_SAKE=y
> CONFIG_EAP_GPSK=y
> CONFIG_EAP_GPSK_SHA256=y
> CONFIG_EAP_TNC=y
> CONFIG_WPS=y
> CONFIG_EAP_IKEV2=y
> CONFIG_MACSEC=y
> CONFIG_PKCS12=y
> CONFIG_SMARTCARD=y
> CONFIG_CTRL_IFACE=y
> CONFIG_SAE=y
> CONFIG_BACKEND=file
> CONFIG_CTRL_IFACE_DBUS_NEW=y
> CONFIG_CTRL_IFACE_DBUS_INTRO=y
> CONFIG_IEEE80211R=y
> CONFIG_DEBUG_FILE=y
> CONFIG_DEBUG_SYSLOG=y
> CONFIG_IEEE80211AC=y
> CONFIG_INTERWORKING=y
> CONFIG_HS20=y
> CONFIG_AP=y
> CONFIG_P2P=y
> CONFIG_TDLS=y
> CONFIG_WIFI_DISPLAY=y
> CONFIG_IBSS_RSN=y
> CONFIG_BGSCAN_SIMPLE=y
> CONFIG_OWE=y
> CONFIG_DPP=y
>
> wpa_supplicant.conf:
>
> ctrl_interface=/run/wpa_supplicant
> network={
>     mode=2
>     ssid="WPA3_AP"
>     proto=RSN
>     key_mgmt=SAE
>     pairwise=CCMP
>     group=CCMP
>     ieee80211w=2
>     psk="xxxxxx"
> }
>
> wpa_suplicant output with the error:
>
> WPA: group state machine entering state SETKEYSDONE (VLAN-ID 0)
> wpa_driver_nl80211_set_key: ifindex=6 (wlx7cdd9044a583) alg=3
> addr=0x55ca32fe92e0 key_idx=1 set_tx=1 seq_len=0 key_len=16
> key_flag=0x1a
> nl80211: NEW_KEY
> nl80211: KEY_DATA - hexdump(len=16): [REMOVED]
>    broadcast key
> nl80211: NL80211_CMD_SET_KEY - default key
> wpa_driver_nl80211_set_key: ifindex=6 (wlx7cdd9044a583) alg=4
> addr=0x55ca32fe92e0 key_idx=4 set_tx=1 seq_len=0 key_len=16
> key_flag=0x1a
> nl80211: NEW_KEY
> nl80211: KEY_DATA - hexdump(len=16): [REMOVED]
>    broadcast key
> nl80211: set_key failed; err=-22 Invalid argument
> WPA: group state machine entering state FATAL_FAILURE
> wlx7cdd9044a583: Flushing old station entries
> nl80211: flush -> DEL_STATION wlx7cdd9044a583 (all)
> wlx7cdd9044a583: Deauthenticate all stations
> nl80211: send_mlme - da=ff:ff:ff:ff:ff:ff noack=0 freq=0 no_cck=0
> offchanok=0 wait_time=0 no_encrypt=0 fc=0xc0 (WLAN_FC_STYPE_DEAUTH)
> nlmode=3
> nl80211: send_mlme - Use bss->freq=2462
> nl80211: send_mlme -> send_frame_cmd
> nl80211: CMD_FRAME freq=2462 wait=0 no_cck=0 no_ack=0 offchanok=0
> CMD_FRAME - hexdump(len=26): c0 00 00 00 ff ff ff ff ff ff 7c dd 90 44
> a5 83 7c dd 90 44 a5 83 00 00 03 00
> nl80211: Frame TX command accepted; cookie 0x104
> hostapd_free_hapd_data(wlx7cdd9044a583)
> Interface initialization failed
> wlx7cdd9044a583: interface state UNINITIALIZED->DISABLED
> wlx7cdd9044a583: AP-DISABLED
> wlx7cdd9044a583: Unable to setup interface.
> Failed to initialize AP interface
>
> WLAN capabilities:
>
> Wiphy phy0
>         max # scan SSIDs: 4
>         max scan IEs length: 2257 bytes
>         max # sched scan SSIDs: 0
>         max # match sets: 0
>         max # scan plans: 1
>         max scan plan interval: -1
>         max scan plan iterations: 0
>         Retry short long limit: 2
>         Coverage class: 0 (up to 0m)
>         Device supports RSN-IBSS.
>         Supported Ciphers:
>                 * WEP40 (00-0f-ac:1)
>                 * WEP104 (00-0f-ac:5)
>                 * TKIP (00-0f-ac:2)
>                 * CCMP-128 (00-0f-ac:4)
>                 * CCMP-256 (00-0f-ac:10)
>                 * GCMP-128 (00-0f-ac:8)
>                 * GCMP-256 (00-0f-ac:9)
>         Available Antennas: TX 0 RX 0
>         Supported interface modes:
>                  * IBSS
>                  * managed
>                  * AP
>                  * AP/VLAN
>                  * monitor
>                  * mesh point
>         Band 1:
>                 Capabilities: 0x17e
>                         HT20/HT40
>                         SM Power Save disabled
>                         RX Greenfield
>                         RX HT20 SGI
>                         RX HT40 SGI
>                         RX STBC 1-stream
>                         Max AMSDU length: 3839 bytes
>                         No DSSS/CCK HT40
>                 Maximum RX AMPDU length 32767 bytes (exponent: 0x002)
>                 Minimum RX AMPDU time spacing: 2 usec (0x04)
>                 HT TX/RX MCS rate indexes supported: 0-7, 32
>                 Bitrates (non-HT):
>                         * 1.0 Mbps
>                         * 2.0 Mbps (short preamble supported)
>                         * 5.5 Mbps (short preamble supported)
>                         * 11.0 Mbps (short preamble supported)
>                         * 6.0 Mbps
>                         * 9.0 Mbps
>                         * 12.0 Mbps
>                         * 18.0 Mbps
>                         * 24.0 Mbps
>                         * 36.0 Mbps
>                         * 48.0 Mbps
>                         * 54.0 Mbps
>                 Frequencies:
>                         * 2412 MHz [1] (20.0 dBm)
>                         * 2417 MHz [2] (20.0 dBm)
>                         * 2422 MHz [3] (20.0 dBm)
>                         * 2427 MHz [4] (20.0 dBm)
>                         * 2432 MHz [5] (20.0 dBm)
>                         * 2437 MHz [6] (20.0 dBm)
>                         * 2442 MHz [7] (20.0 dBm)
>                         * 2447 MHz [8] (20.0 dBm)
>                         * 2452 MHz [9] (20.0 dBm)
>                         * 2457 MHz [10] (20.0 dBm)
>                         * 2462 MHz [11] (20.0 dBm)
>                         * 2467 MHz [12] (20.0 dBm) (no IR)
>                         * 2472 MHz [13] (20.0 dBm) (no IR)
>                         * 2484 MHz [14] (20.0 dBm) (no IR)
>         Supported commands:
>                  * new_interface
>                  * set_interface
>                  * new_key
>                  * start_ap
>                  * new_station
>                  * new_mpath
>                  * set_mesh_config
>                  * set_bss
>                  * authenticate
>                  * associate
>                  * deauthenticate
>                  * disassociate
>                  * join_ibss
>                  * join_mesh
>                  * set_tx_bitrate_mask
>                  * frame
>                  * frame_wait_cancel
>                  * set_wiphy_netns
>                  * set_channel
>                  * set_wds_peer
>                  * probe_client
>                  * set_noack_map
>                  * register_beacons
>                  * start_p2p_device
>                  * set_mcast_rate
>                  * connect
>                  * disconnect
>                  * set_qos_map
>                  * set_multicast_to_unicast
>         Supported TX frame types:
>                  * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80
> 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>                  * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70
> 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>                  * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80
> 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>                  * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70
> 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>                  * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70
> 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>                  * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70
> 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>                  * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70
> 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>                  * P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70
> 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
>         Supported RX frame types:
>                  * IBSS: 0x40 0xb0 0xc0 0xd0
>                  * managed: 0x40 0xd0
>                  * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
>                  * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
>                  * mesh point: 0xb0 0xc0 0xd0
>                  * P2P-client: 0x40 0xd0
>                  * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
>                  * P2P-device: 0x40 0xd0
>         software interface modes (can always be added):
>                  * AP/VLAN
>                  * monitor
>         valid interface combinations:
>                  * #{ AP, mesh point } <= 8,
>                    total <= 8, #channels <= 1
>         HT Capability overrides:
>                  * MCS: ff ff ff ff ff ff ff ff ff ff
>                  * maximum A-MSDU length
>                  * supported channel width
>                  * short GI for 40 MHz
>                  * max A-MPDU length exponent
>                  * min MPDU start spacing
>         Device supports TX status socket option.
>         Device supports HT-IBSS.
>         Device supports SAE with AUTHENTICATE command
>         Device supports low priority scan.
>         Device supports scan flush.
>         Device supports AP scan.
>         Device supports per-vif TX power setting
>         Driver supports full state transitions for AP/GO clients
>         Driver supports a userspace MPM
>         Device supports configuring vdev MAC-addr on create.

I have the same issue with hostapd:

nl80211: Frame TX command accepted; cookie 0x10c
WPA: Start group state machine to set initial keys
WPA: group state machine entering state GTK_INIT (VLAN-ID 0)
Get randomness: len=16 entropy=0
GTK - hexdump(len=16): [REMOVED]
Get randomness: len=16 entropy=0
IGTK - hexdump(len=16): [REMOVED]
WPA: group state machine entering state SETKEYSDONE (VLAN-ID 0)
wpa_driver_nl80211_set_key: ifindex=6 (wlx7cdd9044a583) alg=3
addr=0x5582c5bc5b62 key_idx=1 set_tx=1 seq_len=0 key_len=16
key_flag=0x1a
nl80211: NEW_KEY
nl80211: KEY_DATA - hexdump(len=16): [REMOVED]
   broadcast key
nl80211: NL80211_CMD_SET_KEY - default key
wpa_driver_nl80211_set_key: ifindex=6 (wlx7cdd9044a583) alg=4
addr=0x5582c5bc5b62 key_idx=4 set_tx=1 seq_len=0 key_len=16
key_flag=0x1a
nl80211: NEW_KEY
nl80211: KEY_DATA - hexdump(len=16): [REMOVED]
   broadcast key
nl80211: set_key failed; err=-22 Invalid argument
WPA: group state machine entering state FATAL_FAILURE

I'm using configuration from this article [1]. What am I missing?

[1] https://community.silabs.com/s/article/wf-m-200-linux-wpa3-configuration?language=en_US

Best regards,
Yegor

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