fluxion/lib/InterfaceUtils.sh

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#!/bin/bash
# The methods used in this script are taken from airmon-ng.
# This is all thanks for the airmon-ng authors, thanks guys.
InterfaceUtilsOutputDevice="/dev/stdout"
if [ -d /sys/bus/usb ] # && hash lsusb
then InterfaceUSBBus=1
fi
if [ -d /sys/bus/pci ] || [ -d /sys/bus/pci_express ] || [ -d /proc/bus/pci ] # && hash lspci
then InterfacePCIBus=1
fi
function interface_list_all() {
InterfaceListAll=($(ls -1 /sys/class/net))
}
function interface_list_wireless() {
InterfaceListWireless=()
interface_list_all
local __interface_list_wireless__candidate
for __interface_list_wireless__candidate in "${InterfaceListAll[@]}"; do
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if grep -qs "DEVTYPE=wlan" /sys/class/net/$__interface_list_wireless__candidate/uevent
then InterfaceListWireless+=("$__interface_list_wireless__candidate")
fi
done
}
function interface_driver() {
InterfaceDriver=$(basename $(readlink /sys/class/net/$1/device/driver))
}
function interface_physical() {
if [ ! "$1" ]; then return 1; fi
unset InterfacePhysical
local -r interface_physical_path="/sys/class/net/$1/phy80211"
if [ -d "$interface_physical_path" ]; then
if [ -r "$interface_physical_path/name" ]
then InterfacePhysical="`cat "$interface_physical_path/name"`"
fi
if [ ! "${InterfacePhysical// }" ]
then InterfacePhysical="`ls -l "$interface_physical_path" | sed 's/^.*\/\([a-zA-Z0-9_-]*\)$/\1/'`"
fi
fi
if [ ! "$InterfacePhysical" ]; then return 2; fi
}
function interface_hardware() {
if [ ! "$1" ]; then return 1; fi
local __interface_hardware__device="/sys/class/net/$1/device"
local __interface_hardware__hwinfo="$__interface_hardware__device/modalias"
InterfaceHardwareBus="`cut -d ":" -f 1 "$__interface_hardware__hwinfo" 2> $InterfaceUtilsOutputDevice`"
case "$InterfaceHardwareBus" in
"usb") # Wanted to replace the line below with awk, but i'll probably just add complexity & issues (mawk vs gawk).
InterfaceHardwareID="`cut -d ":" -f 2 $__interface_hardware__hwinfo | cut -b 1-10 | sed 's/^.//;s/p/:/'`";;
"pci" | "pcmcia" | "sdio")
InterfaceHardwareID="`cat "$__interface_hardware__device/vendor" 2> $InterfaceUtilsOutputDevice`:`cat "$__interface_hardware__device/device" 2> $InterfaceUtilsOutputDevice`";;
default) # The following will only work for USB devices.
InterfaceHardwareID="`cat "$__interface_hardware__device/idVendor" 2> $InterfaceUtilsOutputDevice`:`cat "$__interface_hardware__device/idProduct" 2> $InterfaceUtilsOutputDevice`"
InterfaceHardwareBus="usb";; # This will be reset below if InterfaceHardwareID is invalid.
esac
# Check for invalid InterfaceHardwareID (starts or ends with :) .. not a happy face, still won't quote it.
if echo "$InterfaceHardwareID" | egrep -q "^:|:$"; then
unset InterfaceHardwareID
unset InterfaceHardwareBus
return 2
fi
}
function interface_chipset() {
if [ ! "$1" ]; then return 1; fi
if ! interface_hardware "$1"; then return 2; fi
case "$InterfaceHardwareBus" in
"usb")
if [ ! "$InterfaceUSBBus" ]; then return 3; fi
InterfaceChipset="`lsusb -d "$InterfaceHardwareID" | head -n1 - | cut -f3- -d ":" | sed 's/^....//;s/ Network Connection//g;s/ Wireless Adapter//g;s/^ //'`";;
"pci" | "pcmcia")
if [ ! "$InterfacePCIBus" ]; then return 4; fi
InterfaceChipset="$(lspci -d $InterfaceHardwareID | cut -f3- -d ":" | sed 's/Wireless LAN Controller //g;s/ Network Connection//g;s/ Wireless Adapter//;s/^ //')";;
"sdio")
if [[ "${InterfaceHardwareID,,}" = "0x02d0"* ]]
then InterfaceChipset=$(printf "Broadcom %d" ${InterfaceHardwareID:7})
else InterfaceChipset="Unknown chipset for SDIO device."
fi;;
default)
InterfaceChipset="Unknown device chipset & device bus."
esac
}
function interface_state() {
if [ ! "$1" ]; then return 1; fi
local __interface_state__stateFile="/sys/class/net/$1/operstate"
if [ ! -f "$__interface_state__stateFile" ]; then return 2; fi
InterfaceState=$(cat "$__interface_state__stateFile")
}
function interface_set_state() {
if [ "${#@}" -ne 2 ]; then return 1; fi
ip link set "$1" "$2"
}
function interface_set_mode() {
if [ "${#@}" -ne 2 ]; then return 1; fi
if ! interface_set_state "$1" "down"; then return 2; fi
if ! iwconfig "$1" mode "$2" &> $InterfaceUtilsOutputDevice; then return 3; fi
if ! interface_set_state "$1" "up"; then return 4; fi
}