GOAL : Para criar um AP em uma interface e permitir que outra interface atue como uma estação.
CONFIGURAÇÃO :
--> = Packets to/from
AP --> station --> INTERNET
wlan0 --> wlan1 --> INTERNET
Dispositivo (s):
Raspberry Pi 3 (a bordo do chip = AP)
TL-WN725N (estação)
HostAPD não será iniciado.
cmd : sudo /usr/sbin/hostapd /etc/hostapd/hostapd.conf
saída :
Configuration file: /etc/hostapd/hostapd.conf
nl80211: Could not configure driver mode
nl80211 driver initialization failed.
hostapd_free_hapd_data: Interface wlan0 wasn't started
cmd : hostapd -dd /etc/hostapd/hostapd.conf
saída :
random: Trying to read entropy from /dev/random
Configuration file: /etc/hostapd/hostapd.conf
ctrl_interface_group=0
rfkill: initial event: idx=0 type=1 op=0 soft=0 hard=0
rfkill: initial event: idx=1 type=2 op=0 soft=0 hard=0
nl80211: TDLS supported
nl80211: Supported cipher 00-0f-ac:1
nl80211: Supported cipher 00-0f-ac:5
nl80211: Supported cipher 00-0f-ac:2
nl80211: Supported cipher 00-0f-ac:4
nl80211: Supported cipher 00-0f-ac:6
nl80211: Using driver-based off-channel TX
nl80211: Supported vendor command: vendor_id=0x1018 subcmd=1
nl80211: Use separate P2P group interface (driver advertised support)
nl80211: Enable multi-channel concurrent (driver advertised support)
nl80211: interface wlan0 in phy phy0
nl80211: Set mode ifindex 3 iftype 3 (AP)
nl80211: Failed to set interface 3 to mode 3: -1 (Operation not permitted)
nl80211: Try mode change after setting interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
nl80211: Interface mode change to 3 from 0 failed
nl80211: Could not configure driver mode
nl80211: Remove monitor interface: refcount=0
netlink: Operstate: ifindex=3 linkmode=0 (kernel-control), operstate=6 (IF_OPER_UP)
nl80211: Set mode ifindex 3 iftype 2 (STATION)
nl80211: Failed to set interface 3 to mode 2: -1 (Operation not permitted)
nl80211: Try mode change after setting interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
Could not set interface wlan0 flags (DOWN): Operation not permitted
nl80211: Failed to set interface down
nl80211: Interface mode change to 2 from 0 failed
nl80211 driver initialization failed.
hostapd_interface_deinit_free(0x55a049f0)
hostapd_interface_deinit_free: num_bss=1 conf->num_bss=1
hostapd_interface_deinit(0x55a049f0)
hostapd_bss_deinit: deinit bss wlan0
hostapd_cleanup(hapd=0x55a06d48 (wlan0))
hostapd_free_hapd_data: Interface wlan0 wasn't started
hostapd_interface_deinit_free: driver=(nil) drv_priv=(nil) -> hapd_deinit
hostapd_interface_free(0x55a049f0)
hostapd_interface_free: free hapd 0x55a06d48
hostapd_cleanup_iface(0x55a049f0)
hostapd_cleanup_iface_partial(0x55a049f0)
hostapd_cleanup_iface: free iface=0x55a049f0
cmd : iw list
saída :
Wiphy phy0
max # scan SSIDs: 10
max scan IEs length: 2048 bytes
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Device supports T-DLS.
Supported Ciphers:
* WEP40 (00-0f-ac:1)
* WEP104 (00-0f-ac:5)
* TKIP (00-0f-ac:2)
* CCMP (00-0f-ac:4)
* CMAC (00-0f-ac:6)
Available Antennas: TX 0 RX 0
Supported interface modes:
* IBSS
* managed
* AP
* P2P-client
* P2P-GO
* P2P-device
Band 1:
Capabilities: 0x1020
HT20
Static SM Power Save
RX HT20 SGI
No RX STBC
Max AMSDU length: 3839 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 16 usec (0x07)
HT TX/RX MCS rate indexes supported: 0-7
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] (disabled)
* 2472 MHz [13] (disabled)
* 2484 MHz [14] (disabled)
Supported commands:
* new_interface
* set_interface
* new_key
* start_ap
* join_ibss
* set_pmksa
* del_pmksa
* flush_pmksa
* remain_on_channel
* frame
* set_channel
* tdls_oper
* start_sched_scan
* start_p2p_device
* crit_protocol_start
* crit_protocol_stop
* connect
* disconnect
Supported TX frame types:
* managed: 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:
* managed: 0x40 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):
valid interface combinations:
* #{ managed } <= 1, #{ P2P-device } <= 1, #{ P2P-client, P2P-GO } <= 1,
total <= 3, #channels <= 2
* #{ managed } <= 1, #{ AP } <= 1, #{ P2P-client } <= 1, #{ P2P-device } <= 1,
total <= 4, #channels <= 1
Device supports scan flush.
FILE : /etc/hostapd/hostapd.conf
interface=wlan0
driver=nl80211
ctrl_interface=/var/run/hostapd
ctrl_interface_group=0
ssid=PiFi
channel=7
wmm_enabled=0
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=2
wpa_passphrase=h07sp07
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP
rsn_pairwise=CCMP
ieee80211n=1
hw_mode=g
FILE : /etc/network/interfaces
auto lo
iface lo inet loopback
iface eth0 inet dhcp
allow-hotplug wlan0
iface wlan0 inet static
address 192.168.42.1
netmask 255.255.255.0
post-up iw dev set power_save off
allow-hotplug wlan1
iface wlan1 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
up iptables-restore < /etc/iptables.ipv4.nat
FILE : /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
update_config=1
network={
ssid="Bangerang"
psk="h07sp07"
proto=RSN
key_mgmt=WPA-PSK
pairwise=CCMP
auth_alg=OPEN
}
Configuração (ões) do iptables :
#!/bin/bash
station=wlan1
AP=wlan0
sudo sed -i: 's/^#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/g' /etc/sysctl.conf
sudo sh -c "echo 1 > /proc/sys/net/ipv4/ip_forward"
sudo iptables --table nat --append POSTROUTING --out-interface $station --jump MASQUERADE
sudo iptables --append FORWARD --in-interface $AP --out-interface $station -m state \
--state RELATED,ESTABLISHED --jump ACCEPT
sudo iptables --append FORWARD --in-interface $AP --out-interface $station --jump ACCEPT
sudo sh -c "iptables-save > /etc/iptables.ipv4.nat"
Faça o download e execute o script a seguir como sudo :
pifi.sh : link
É um script que fiz para corrigir o problema acima.
Como consertei isso?
O binário HostAPD não possui o firmware correto para o adaptador sem fio que eu estava usando.
O script acima permite configurar um Raspberry Pi como PiFi Wireless Repeater .