applications/create_ap
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Use /sys/class/net to get the interfaces and mac addresses

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oblique 2014-09-20 22:53:45 +03:00
parent 5b2d7984db
commit 757c3d2c1f
1 changed files with 10 additions and 6 deletions
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16
create_ap
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@ -84,7 +84,7 @@ USE_IWCONFIG=0
is_interface() {
[[ -z "$1" ]] && return 1
ip link show $1 > /dev/null 2>&1
[[ -d "/sys/class/net/${1}" ]]
}
is_wifi_interface() {
@ -184,7 +184,8 @@ is_wifi_connected() {
}
get_macaddr() {
ip link show "$1" | grep ether | grep -Eo '([0-9a-f]{2}:){5}[0-9a-f]{2}[[:space:]]' | tr -d '[[:space:]]'
is_interface "$1" || return
cat "/sys/class/net/${1}/address"
}
get_avail_bridge() {
@ -199,20 +200,24 @@ get_avail_bridge() {
get_virt_iface_name() {
i=0
while :; do
if [[ ! -d /sys/class/net/ap${i} ]]; then
if ! is_interface ap${i}; then
echo ap${i}
break
return
fi
i=$((i+1))
done
}
get_all_macaddrs() {
cat /sys/class/net/*/address
}
get_new_macaddr() {
OLDMAC=$(get_macaddr "$1")
LAST_BYTE=$(printf %d 0x${OLDMAC##*:})
for i in {1..255}; do
NEWMAC="${OLDMAC%:*}:$(printf %02x $(( ($LAST_BYTE + $i) % 256 )))"
(ip link | grep "ether ${NEWMAC}" > /dev/null 2>&1) || break
(get_all_macaddrs | grep "$NEWMAC" > /dev/null 2>&1) || break
done
echo $NEWMAC
}
@ -689,7 +694,6 @@ if [[ $NO_VIRT -eq 0 ]]; then
Try again with --no-virt."
echo -n "Creating a virtual WiFi interface... "
iw dev ${VWIFI_IFACE} del > /dev/null 2>&1
VIRT_IFACES=" $(get_virt_interfaces ${WIFI_IFACE}) "
if iw dev ${WIFI_IFACE} interface add ${VWIFI_IFACE} type __ap; then
# some distributions (such as Ubuntu) have udev rules that they rename