Access point configuration problem on RPi3

**n3tr4k** · 2018-02-06

Hi. I'm trying to establish AP on RPi3 with embedded wifi. So I was hoping for a quick start and tried a few tutorials:
1. https://elinux.org/RPI-Wireless-Hotspot
2. https://frillip.com/using-your-raspb...-with-hostapd/
But none of them worked out.

So I've tried manually start hostapd by running:

Code:

# hostapd /etc/hostapd/hostapd.conf
Configuration file: /etc/hostapd/hostapd.conf
wlan0: Could not connect to kernel driver
Using interface wlan0 with hwaddr b8:20:eb:10:11:33 and ssid "my-wifi-ap"
wlan0: interface state UNINITIALIZED->ENABLED
wlan0: AP-ENABLED

So it is kinda working. At least I see my AP in airodump

Code:

B8:20:EB:10:11:33  -26        2        0    0   6  54e  WPA2 CCMP   PSK  my-wifi-ap

If I try to connect to AP with my phone I see a message on RPi side:

Code:

wlan0: STA 1c:5c:f5:23:c4:11 IEEE 802.11: Could not add STA to kernel driver

There are other problems.
If I run:

Code:

# service hostapd start
Failed to start hostapd.service: Unit hostapd.service is masked.

I've checked wifi interface with:

Code:

# iw list
Supported interface modes:
	 * IBSS
	 * managed
	 * AP
	 * monitor
	 * P2P-client
	 * P2P-GO
	 * P2P-device

so I see it can work as AP.

The idea is to establish a wifi connection and ssh to RPi.

Additional info

Code:

# uname -a
Linux kali 4.9.59-v7_Re4son-Kali-Pi+ #1 SMP Tue Nov 21 00:36:47 CST 2017 armv7l GNU/Linux

Code:

# iwconfig 
eth0      no wireless extensions.

wlan0     IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          
lo        no wireless extensions.

Code:

# cat /etc/dhcpcd.conf
denyinterfaces wlan0

Code:

# cat /etc/network/interfaces
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp

# AP config for wlan0
iface wlan0 inet static
	address 192.168.1.1
	netmask 255.255.255.0
	network 192.168.1.0
	broadcast 192.168.1.255

Code:

# cat /etc/hostapd/hostapd.conf
interface=wlan0
driver=nl80211
ssid=my-wifi-ap
hw_mode=g
channel=6
ieee80211n=1
wmm_enabled=1
ht_capab=[HT40][SHORT-GI-20][DSSS_CCK-40]
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=2
wpa_key_mgmt=WPA-PSK
wpa_passphrase=mypass
rsn_pairwise=CCMP

Code:

# cat /etc/default/hostapd
DAEMON_CONF="/etc/hostapd/hostapd.conf"

Code:

# cat /etc/init.d/hostapd
...
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON_SBIN=/usr/sbin/hostapd
DAEMON_DEFS=/etc/default/hostapd
DAEMON_CONF=/etc/hostapd/hostapd.conf
NAME=hostapd
DESC="advanced IEEE 802.11 management"
PIDFILE=/run/hostapd.pid

[ -x "$DAEMON_SBIN" ] || exit 0
[ -s "$DAEMON_DEFS" ] && . /etc/default/hostapd
[ -n "$DAEMON_CONF" ] || exit 0
...

Code:

# cat /etc/dnsmasq.conf
interface=wlan0 
listen-address=192.168.1.1 
bind-interfaces      
server=209.222.18.222,209.222.18.218    
domain-needed    
bogus-priv     
dhcp-range=192.168.1.2,192.168.1.20,12h

Could anyone help with that? Thanks.

**Mister_X** · 2018-02-07

1. What adapter do you use?
2. Configuration of dhcp, dnsmasq are irrelevant in this case since it doesn't go any further than hostapd.
3. Have you looked up the error message "IEEE 802.11: Could not add STA to kernel driver"? What does it say about it?

**n3tr4k** · 2018-02-07

1. What adapter do you use?
2. Configuration of dhcp, dnsmasq are irrelevant in this case since it doesn't go any further than hostapd.
3. Have you looked up the error message "IEEE 802.11: Could not add STA to kernel driver"? What does it say about it?

Hi, thanks for reply.

1.

Code:

# lshw -C network
  *-network:1 DISABLED
       description: Wireless interface
       physical id: 3
       logical name: wlan0
       serial: b8:20:eb:10:11:33
       capabilities: ethernet physical wireless
       configuration: broadcast=yes driver=brcmfmac driverversion=7.45.41.46 firmware=01-f8a78378 multicast=yes wireless=IEEE 802.11

3. Such problem could arise if too many clients are connected to AP which is clearly not my case. I'm trying to connect only one.

**n3tr4k** · 2018-02-17

Hostapd is running fine, association is OK, dhcp server is running and configured but still no connection.

Code:

# hostapd /etc/hostapd/hostapd.conf
Configuration file: /etc/hostapd/hostapd.conf
wlan0: interface state UNINITIALIZED->COUNTRY_UPDATE
wlan0: Could not connect to kernel driver
Using interface wlan0 with hwaddr XX:XX:XX:XX:XX:XX and ssid "myAP"
wlan0: interface state COUNTRY_UPDATE->ENABLED
wlan0: AP-ENABLED

# dnsmasq -k -q -d
dnsmasq: started, version 2.78 cachesize 150
dnsmasq: compile time options: IPv6 GNU-getopt DBus i18n IDN DHCP DHCPv6 no-Lua TFTP conntrack ipset auth DNSSEC loop-detect inotify
dnsmasq-dhcp: DHCP, IP range 192.168.42.2 -- 192.168.42.254, lease time 12h
dnsmasq-dhcp: DHCP, sockets bound exclusively to interface wlan0
dnsmasq: using nameserver 8.8.8.8#53
dnsmasq: reading /etc/resolv.conf
dnsmasq: using nameserver 8.8.8.8#53
dnsmasq: using nameserver 194.168.4.100#53
dnsmasq: using nameserver 194.168.8.100#53
dnsmasq: read /etc/hosts - 6 addresses

# netstat -tunal
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 127.0.0.1:53            0.0.0.0:*               LISTEN
tcp        0      0 192.168.42.1:53         0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN
tcp        0      0 192.168.0.3:22          192.168.0.4:54270       ESTABLISHED

Config:

Code:

# cat /etc/hostapd/hostapd.conf
interface=wlan0                          
#driver=nl80211                          
ssid=myAP                           
country_code=US                          
hw_mode=g                                
channel=6                                
macaddr_acl=0                            
auth_algs=1                              
ieee80211n=1                             
wmm_enabled=1                            
ht_capab=[HT40][SHORT-GI-20][DSSS_CCK-40]
wpa=2                                    
ignore_broadcast_ssid=0                  
wpa_key_mgmt=WPA-PSK                     
wpa_group_rekey=86400                    
wpa_passphrase=mypass
wpa_pairwise=CCMP                        
wme_enabled=1                            

# cat /etc/network/interfaces                
auto lo                                              
iface lo inet loopback                               
                                                     
auto eth0                                            
iface eth0 inet dhcp                                 
iface wlan0 inet static                              
        address 192.168.42.1                         
        netmask 255.255.255.0                        
        network 192.168.42.0                         
        broadcast 192.168.42.255             


# ifconfig | grep -C 1 wlan0                                       
wlan0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500                        
        inet 192.168.42.1  netmask 255.255.255.0  broadcast 192.168.42.255

# cat /etc/dnsmasq.conf
interface=wlan0                         
listen-address=192.168.42.1             
bind-interfaces                         
server=8.8.8.8                          
domain-needed                           
bogus-priv                              
dhcp-range=192.168.42.2,192.168.42.254,12h

Here's the hostapd log file when I'm trying to connect

Code:

mgmt::auth
authentication: STA=XX:XX:XX:XX:XX:XX auth_alg=0 auth_transaction=1 status_code=0 wep=0 seq_ctrl=0xf050
  New STA
ap_sta_add: register ap_handle_timer timeout for XX:XX:XX:XX:XX:XX (300 seconds - ap_max_inactivity)
wlan0: STA XX:XX:XX:XX:XX:XX IEEE 802.11: authentication OK (open system)
wlan0: STA XX:XX:XX:XX:XX:XX MLME: MLME-AUTHENTICATE.indication(XX:XX:XX:XX:XX:XX, OPEN_SYSTEM)
wlan0: STA XX:XX:XX:XX:XX:XX MLME: MLME-DELETEKEYS.request(XX:XX:XX:XX:XX:XX)
authentication reply: STA=XX:XX:XX:XX:XX:XX auth_alg=0 auth_transaction=2 resp=0 (IE len=0)
nl80211: send_mlme - da= XX:XX:XX:XX:XX:XX noack=0 freq=0 no_cck=0 offchanok=0 wait_time=0 fc=0xb0 (WLAN_FC_STYPE_AUTH) nlmode=3
nl80211: send_mlme -> send_frame
nl80211: send_frame - Use bss->freq=2437
nl80211: send_frame(freq=2437 bss->freq=2437) -> send_monitor
wlan0: Event RX_MGMT (19) received
mgmt::assoc_req
association request: STA=XX:XX:XX:XX:XX:XX capab_info=0x511 listen_interval=4 seq_ctrl=0xf060
WMM IE - hexdump(len=7): 00 50 f2 02 00 01 00
Validating WMM IE: OUI 00:50:f2  OUI type 2  OUI sub-type 0  version 1  QoS info 0x0
  new AID 1
nl80211: Set beacon (beacon_set=1)
nl80211: Beacon head - hexdump(len=60): 80 00 00 00 ff ff ff ff ff ff b8 27 eb 89 51 91 b8 27 eb 89 51 91 00 00 00 00 00 00 00 00 00 00 64 00 11 04 00 09 7a 65 75 73 2d 6c 69 6e 6b 01 08 82 84 8b 96 0c 12 18 24 03 01 06
nl80211: Beacon tail - hexdump(len=115): 2a 01 04 32 04 30 48 60 6c 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 0c 00 2d 1a 2c 10 1f ff 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 3d 16 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7f 04 00 00 00 02 dd 18 00 50 f2 02 01 01 00 00 03 a4 00 00 27 a4 00 00 42 43 5e 00 62 32 2f 00
nl80211: ifindex=3
nl80211: beacon_int=100
nl80211: dtim_period=2
nl80211: ssid - hexdump_ascii(len=9):
     7a 65 75 73 2d 6c 69 6e 6b                        myAP       
  * beacon_int=100
  * dtim_period=2
nl80211: hidden SSID not in use
nl80211: privacy=1
nl80211: auth_algs=0x1
nl80211: wpa_version=0x2
nl80211: key_mgmt_suites=0x2
nl80211: pairwise_ciphers=0x10
nl80211: group_cipher=0x10
nl80211: SMPS mode - off
nl80211: beacon_ies - hexdump(len=6): 7f 04 00 00 00 02
nl80211: proberesp_ies - hexdump(len=6): 7f 04 00 00 00 02
nl80211: assocresp_ies - hexdump(len=6): 7f 04 00 00 00 02
HT: STA XX:XX:XX:XX:XX:XX HT Capabilities Info: 0x0130
update_sta_ht STA XX:XX:XX:XX:XX:XX - 20 MHz HT, num of 20MHz HT STAs 1
hostapd_ht_operation_update current operation mode=0x0
hostapd_ht_operation_update new operation mode=0x0 changes=0
wlan0: STA XX:XX:XX:XX:XX:XX IEEE 802.11: association OK (aid 1)
nl80211: sta_remove -> DEL_STATION wlan0 XX:XX:XX:XX:XX:XX --> 0 (Success)
wlan0: STA XX:XX:XX:XX:XX:XX WPA: event 7 notification
nl80211: Add STA XX:XX:XX:XX:XX:XX
  * supported rates - hexdump(len=12): 82 84 8b 96 0c 12 18 24 30 48 60 6c
  * capability=0x511
  * ht_capabilities - hexdump(len=26): 20 00 03 ff 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00
  * aid=1
  * listen_interval=4
nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state
  * flags set=0xa8 mask=0x8
  * qosinfo=0x0
nl80211: NL80211_CMD_NEW_STATION result: -95 (Operation not supported)
wlan0: STA XX:XX:XX:XX:XX:XX IEEE 802.11: Could not add STA to kernel driver
nl80211: send_mlme - da= XX:XX:XX:XX:XX:XX noack=0 freq=0 no_cck=0 offchanok=0 wait_time=0 fc=0x10 (WLAN_FC_STYPE_ASSOC_RESP) nlmode=3
nl80211: send_mlme -> send_frame
nl80211: send_frame - Use bss->freq=2437
nl80211: send_frame(freq=2437 bss->freq=2437) -> send_monitor
nl80211: Event message available
nl80211: Drv Event 19 (NL80211_CMD_NEW_STATION) received for wlan0
nl80211: New station XX:XX:XX:XX:XX:XX
nl80211: Event message available
nl80211: Drv Event 20 (NL80211_CMD_DEL_STATION) received for wlan0
nl80211: Delete station XX:XX:XX:XX:XX:XX
nl80211: send_mlme - da= XX:XX:XX:XX:XX:XX noack=1 freq=0 no_cck=0 offchanok=0 wait_time=0 fc=0x50 (WLAN_FC_STYPE_PROBE_RESP) nlmode=3
nl80211: send_mlme -> send_frame
nl80211: send_frame - Use bss->freq=2437
nl80211: send_frame(freq=2437 bss->freq=2437) -> send_monitor

I'll try external ALFA dongle in case if there are some problems with last kali distro and internal wifi on RPi3. If anyone stuck (or solved) with the same problem please let me know.

**re4son** · 2018-02-17

Hi n3tr4k,

the latest raspberry pi images include the nexmon patch for the internal wifi adapter, which requires an additional step:

You must bring up a monitor interface before starting hostapd, e.g.

Code:

iw phy phy0 interface add mon0 type monitor && ifconfig mon0 up

You can see a write up of this peculiarity here.

For a working example of a hostapd implementation on the Raspberry Pi 3 with nexmon drivers, check "ras-ap.sh" & "mon0up" in this folder:

https://github.com/Re4son/Kali-Pi/tr...r/Menus/RAS-AP

Hope that helps

**n3tr4k** · 2018-02-17

Thanks a lot re4son, I only had to assign static IP to wlan0 after that and everything worked. Cheers.

**syntax** · 2018-09-01

Sorry to bring up a zombie thread but i am having the same issues.

I have tried to follow the guide that is mentioned by OP
But there seems to be an issue with dhcpd that there is no service associated with it.

If OP could detail how he got things working that be great. Or i could create my own post since my scenario is i want to use an external adapter for better range.

**aever** · 2018-09-07

I have the same problem. After the release of the current version (2018.3) something went wrong.
RPi3b+

**runded** · 2018-09-09

me too, I'm using the raspberry pi3 b+ on the current version 2018.3. I can see the AP but when I'm trying to connect to it, it always say me that the password is wrong. Also, I've tried with Raspbian but this time it worked perfectly.. So the problem is Kali Linux itself. And in addition, as you can see in this tutorial :
1) https://null-byte.wonderhowto.com/ho...tspot-0180133/
At step number 2, it say that we need to configure the DHCPCD.conf file but this file only exist on Raspbian (I don't really what this file can do). If someone could help us, this will be great.. And sorry for my english :d

Thanks in advance.

**GigaJoules** · 2019-05-01

Originally Posted by runded

me too, I'm using the raspberry pi3 b+ on the current version 2018.3. I can see the AP but when I'm trying to connect to it, it always say me that the password is wrong. Also, I've tried with Raspbian but this time it worked perfectly.. So the problem is Kali Linux itself. And in addition, as you can see in this tutorial :
1) https://null-byte.wonderhowto.com/ho...tspot-0180133/
At step number 2, it say that we need to configure the DHCPCD.conf file but this file only exist on Raspbian (I don't really what this file can do). If someone could help us, this will be great.. And sorry for my english :d

Thanks in advance.

I am also having this issue.

Code:

sudo iw phy phy0 interface add mon0 type monitor && ifconfig mon0 up

gives
command failed: Operation not supported (-95)

Gutted, I really thought this forum post was going to be the bottom of this rabbit hole at last.
I have the EXACT symptoms as OP.

**Mister_X** · 2019-05-01

@GigaJoules, a few things:
- This is an old thread, so, open a new one
- It is not the same issue as OP, he is trying to get AP mode running, you are trying to get monitor mode

In any case, use airmon-ng to put it in monitor mode, it works just fine.

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