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#! /bin/bash
# Originally contributed by Neuro: http://bbs.archlinux.org/viewtopic.php?pid=278148#p278148
. /usr/lib/network/network
. /usr/lib/network/wireless
# wifi_auto
# autoconnect wireless interface
# $1 - wireless interface
wifi_auto()
{
local interface="$1"
report_try "Scanning for networks"
set_interface up "$interface" # uses iproute methods---is it there any value to providing option to use ifconfig?
networks="$(list_networks $interface)"
if [[ -z $networks ]]; then
set_interface forcedown "$interface"
exit_fail "- No networks available."
fi
# Loop through all the found essid's, then find a matching profile.
local found_profile found_essid
# JP: add ability to use AP instead of ESSID
# JP: also, make ESSIDs in wireless-dbus CONNECTIONS a regexp instead of a literal
while read ap essid; do
while read network; do
(
unset CONNECTION INTERFACE AP
load_profile "$network"
case "$CONNECTION" in
wireless-old|wireless|wireless-dbus)
if [[ "$interface" = "$INTERFACE" ]]; then
if [[ "$ap" == "$AP" ]]; then
exit 2
elif [[ -z "$found_profile" ]]; then
if [[ "$CONNECTION" == wireless-dbus ]]; then
if expr match "$essid" "^$ESSID\$" 1>/dev/null; then
exit 1
fi
elif [[ "$essid" == "$ESSID" ]]; then
exit 1
fi
fi
fi
;;
esac
exit 0
)
case $? in
2) found_profile="$network"
found_essid="$essid"
break 2;;
1) found_profile="$network"
found_essid="$essid"
;;
esac
done < <(list_profiles) # avoid subshell we'd get by piping list_profiles to while read
done < "$networks" # avoid subshell; list_networks returns name of a tmp file
rm -f "$networks" # shouldn't we delete the tmp file?
if [[ -n "$found_profile" ]]; then
report_success
if profile_up "$found_profile" "$found_essid"; then # JP: now we pass literal essid to profile_up as $2
exit 0
else
set_interface forcedown "$interface"
exit_fail "Couldn't connect profile $found_profile."
fi
else
set_interface forcedown "$interface"
exit_fail "No profiles matched the local networks."
fi
}
if [[ $(id -u) -ne 0 ]]; then
exit_stderr "This script needs to be run with root privileges"
fi
if [[ -z "$1" ]]; then
exit_stderr "Please supply an interface to connect"
fi
wifi_auto "$1"
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