Scripting wifi connections

[C. L. Martinez]

On Sun, Aug 27, 2017 at 01:19:15PM +0930, Shane Ambler wrote:
> On 26/08/2017 22:54, C. L. Martinez wrote:
> > Hi all,
> > 
> 
> > Sometimes I need to use two wifi connections at the same time.
> > Actually, my FreeBSD laptop is configured to use source routing (via
> > setfib+pf rules) to accomplish this. But I need more flexibility: choose
> > how many connections to use, setup a wpa_spplicant.conf's file "on the
> > fly", etc.
> > 
> > My current config in rc.conf is:
> > 
> > dhclient_fib="1"
> > wlans_ath0="wlan0"
> > wlans_urtwn0="wlan1"
> > ifconfig_wlan0="country ES WPA SYNCDHCP fib 1 group egress"
> > 
> > As you can see, I can only have one wlan interface properly
> > configured. And my idea is to build a script to setup configurations "on
> > the fly".
> > 
> >   Any tip or idea?
> 
> I only have one wlan so haven't tested this -
> 
> For two wlans you should be able to add
> ifconfig_wlan0="country ES WPA SYNCDHCP fib 1 group egress ssid home"
> ifconfig_wlan1="country ES WPA SYNCDHCP fib 1 group egress ssid work"
> 
> If needed you can adjust wpa_supplicant flags in rc.conf
> wpa_supplicant_flags="-s"
> wpa_supplicant_conf_file="/etc/wpa_supplicant.conf"
> 
> While wpa_supplicant has the -i ifname and -c config_file options
> allowing you to restart it with different configs if you wanted, you
> should be able to configure multiple wlans in the one config_file, you
> could adjust the one config and SIGHUP wpa_supplicant to re-read it or
> have multiple configs setup and tell it to use a different one to suit.
> 
> network={
>   ssid="home"
>   scan_ssid=1
>   key_mgmt=WPA-PSK
> ...
> }
> network={
>   ssid="work"
>   scan_ssid=1
>   key_mgmt=WPA-EAP
> ...
> }
> 
> If using ifconfig wlan1 down to turn off one wlan doesn't work have a
> look at wpa_cli to interact with the running wpa_supplicant, it can take
> commands so should work from a script. Be sure to set ctrl_interface and
> ctrl_interface_group in your wpa_supplicant.conf to use wpa_cli.
> 

Thanks Shane. I will read man pages about wpa_cli ... 

-- 
Greetings,
C. L. Martinez