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#! /bin/bash
# Originally contributed by Neuro: http://bbs.archlinux.org/viewtopic.php?pid=278148#p278148
. /etc/rc.conf
. /etc/rc.d/functions
. /usr/lib/network/network
. /usr/lib/network/wireless_utils
# wifi_auto
# autoconnect wireless interface
# $1 - wireless interface
wifi_auto()
{
local interface="$1" connection="$2"
if [[ ! -f "$CONN_DIR/$connection" ]]; then
exit_err "$connection is not a valid connection."
elif ! "$CONN_DIR/$connection" verify "$interface"; then
exit_err "$interface is not a wireless interface."
fi
report_try "Scanning for networks"
local status=$(query_iface "$interface" "$connection") # supply $connection as hint
case "$status" in
disabled)
exit_fail "INTERFACE $interface is disabled."
;;
external)
exit_fail "INTERFACE $interface was configured by another application."
;;
"")
#ifconfig "$interface" up 2>/dev/null # $? is 255 when radio-switched-off
"$CONN_DIR/$connection" control "$interface" up
if [[ $? -gt 0 ]]; then
# interface is really disabled
"$CONN_DIR/$connection" control "$interface" disable
exit_fail "INTERFACE $interface is disabled."
fi
;;
*)
# interface already up and controlled by a profile
;;
esac
networks=$(list_networks "$interface")
if [[ -z "$networks" ]]; then
# disconnect interface if it wasn't already up
[[ -z "$status" ]] && "$CONN_DIR/$connection" control "$interface" forcedown
exit_fail "No local networks."
fi
[[ -z "$status" ]] && "$CONN_DIR/$connection" control "$interface" down # take iface down here so that query_iface doesn't perceive it as externally controlled
# unclear what should happen if $status set to an already-connected profile...?
# Loop through all the found essid's, then find a matching profile.
local found_profile found_essid
# JP: add ability to use AP instead of ESSID
# JP: also, make ESSIDs in wireless-dbus CONNECTIONS a regexp instead of a literal
while read ap essid; do
while read network; do
(
unset CONNECTION INTERFACE AP
load_profile "$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="$essid"
;;
esac
done < <(list_profiles) # avoid subshell
done < "$networks" # avoid subshell; list_networks returns name of a tmp file
# JP: now each line of that file is of format: ap essid...
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 # we pass literal essid to profile_up as $2
exit 0
else
"$CONN_DIR/$connection" control "$interface" forcedown # take down interface?
exit_fail "Couldn't connect profile $found_profile."
fi
else
[[ -z "$status" ]] && "$CONN_DIR/$connection" control "$interface" forcedown
exit_fail "No profiles matched the local networks."
fi
}
if [[ $(id -u) -ne 0 ]]; then
exit_stderr "This script should be run as root."
fi
if [[ -z "$1" ]]; then
exit_stderr "Must supply an interface to connect."
fi
SELF=$(basename $0)
wifi_auto "$1" "${SELF#netcfg-auto-}" # we assume this script is named netcfg-auto-CONNECTIONTYPE
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