[vox] Converting Ubuntu Box into an Access Point
Benjamin Allistair
ammystars at gmail.com
Mon Oct 16 09:57:14 PDT 2006
I am trying to convert my Ubuntu box into an access point. I only have
my OS X laptop as a client to see if what I'm doing is working.
Basically what I have done is installed hostapd, bridge-utils, and
wireless-tools using apt-get.
I am loading the hostap_ drivers and have blacklists the orinoco_
drivers that come by default.
>From OS X I can see the SSID but when I go to authenticate, I am only
given the option of using WEP and it won't authenticate anyways.
Below are snippets from what I thought to be relative config file
entries and system info.
-----------------------------------------------------------
Here is a snippet from my /etc/network/interfaces
auto eth0
iface eth0 inet dhcp
auto eth1
#iface eth1 inet manual
#iwconfig wifi0 mode Master
#iwconfig eth1 essid Oneil2
iface br0 inet dhcp
bridge_ports eth0 eth1
pre-up ifconfig eth0 0.0.0.0 up
pre-up ifconfig eth1 0.0.0.0 up
pre-up iwconfig wifi0 mode master
pre-up brctl addbr br0
pre-up brctl addbr eth0
pre-up brctl addbr eth1
post-down ifconfig eth0 0.0.0.0 down
post-down ifconfig eth1 0.0.0.0 down
post-down brctl delif br0 eth0
post-down brctl delif br0 eth1
post-down brctl delbr br0
------------------------------------------------------------
Here is my hostapd.conf
interface=eth1
bridge=br0
driver=hostap
logger_syslog=-1
logger_syslog_level=2
logger_stdout=-1
logger_stdout_level=2
debug=0
dump_file=/tmp/hostapd.dump
ctrl_interface=/var/run/hostapd
ctrl_interface_group=0
ssid=Oneil24
auth_algs=3
eapol_key_index_workaround=0
eap_server=0
wpa=3
wpa_psk_file=/etc/hostapd/wpa_psk
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP CCMP
stakey=0
------------------------------------
My /etc/hostapd/wpa_psk file looks like:
00:00:00:00:00:00 1234567890
------------------------------------
yan at celery:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:10:4B:CD:0F:7A
inet addr:192.168.2.3 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::210:4bff:fecd:f7a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2174 errors:0 dropped:0 overruns:0 frame:0
TX packets:893 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1713966 (1.6 MiB) TX bytes:89343 (87.2 KiB)
Interrupt:11
eth1ap Link encap:UNSPEC HWaddr
00-04-E2-80-49-FD-00-01-00-00-00-00-00-00-00-00
UP BROADCAST RUNNING MULTICAST MTU:2290 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:5 Base address:0x100
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
wifi0 Link encap:UNSPEC HWaddr
00-04-E2-80-49-FD-00-00-00-00-00-00-00-00-00-00
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:10 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:602 (602.0 b) TX bytes:512 (512.0 b)
Interrupt:5 Base address:0x100
---------------------------------------------
yan at celery:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wifi0 IEEE 802.11b ESSID:"Oneil24"
Mode:Master Frequency:2.422 GHz Access Point: 00:04:E2:80:49:FD
Bit Rate:11 Mb/s Sensitivity=1/3
Retry min limit:8 RTS thr:off Fragment thr:off
Power Management:off
eth1 IEEE 802.11b ESSID:"Oneil24"
Mode:Master Frequency:2.422 GHz Access Point: 00:04:E2:80:49:FD
Bit Rate:11 Mb/s Sensitivity=1/3
Retry min limit:8 RTS thr:off Fragment thr:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:2 Rx invalid frag:0
Tx excessive retries:9 Invalid misc:13439 Missed beacon:0
sit0 no wireless extensions.
eth1ap IEEE 802.11b ESSID:"Oneil24"
Mode:Master Frequency:2.422 GHz Access Point: 00:04:E2:80:49:FD
Bit Rate:11 Mb/s Sensitivity=1/3
Retry min limit:8 RTS thr:off Fragment thr:off
Power Management:off
-------------------------------------------------
yan at celery:~$ lsmod | grep hostap
hostap_cs 69272 3
hostap 128260 1 hostap_cs
ieee80211_crypt 7296 3 ieee80211_crypt_wep,ieee80211_crypt_tkip,hostap
pcmcia 42556 1 hostap_cs
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