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