/
airmon-ng.linux
executable file
·1718 lines (1601 loc) · 56.9 KB
/
airmon-ng.linux
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#!/bin/sh
DEBUG="0"
VERBOSE="0"
ELITE="0"
USERID=""
checkvm_status=""
MAC80211=0
WIRELESS_TOOLS="0"
IW_SOURCE="https://mirrors.edge.kernel.org/pub/software/network/iw/iw-5.19.tar.xz"
IW_ERROR=""
if [ ! -d '/sys/' ]; then
printf "CONFIG_SYSFS is disabled in your kernel, this program will not work.\n"
exit 1
fi
if [ -x "$(command -v mountpoint 2>&1)" ]; then
if ! mountpoint -q -- /sys > /dev/null; then
printf "/sys is not mounted, you can probably mount it with:\n"
printf "mount -t sysfs sysfs /sys\n"
printf "This program cannot continue without a working sysfs.\n"
exit 1
fi
fi
if [ ! -d '/sys/class' ]; then
printf "This program cannot continue without a working sysfs.\n"
printf "/sys/class is missing\n"
exit 1
fi
if [ ! -d '/sys/class/net' ]; then
printf "This program cannot continue without a working sysfs.\n"
printf "/sys/class/net is missing\n"
exit 1
fi
if [ "${1}" = "--elite" ]; then
shift
ELITE="1"
fi
if [ "${1}" = "--verbose" ]; then
shift
VERBOSE="1"
fi
if [ "${1}" = "--debug" ]; then
shift
DEBUG="1"
VERBOSE="1"
fi
#yes, I know this is in here twice
if [ "${1}" = "--elite" ]; then
shift
ELITE="1"
fi
if [ -n "${3}" ];then
if [ "${3}" -gt 0 ] > /dev/null 2>&1; then
CH="${3}"
else
printf "\nYou have entered an invalid channel or frequency \"%s\" which will be ignored\n" "${3}"
CH="0"
fi
else
CH="0"
fi
#TODO LIST
#cleanup getDriver()
#fix to not assume wifi drivers are modules
#rewrite to not have two devices at any one time
if [ -n "$(command -v id 2> /dev/null)" ]; then
USERID="$(id -u 2> /dev/null)"
fi
if [ -z "${USERID}" ] && [ -n "$(id -ru)" ]; then
USERID="$(id -ru)"
fi
if [ -n "${USERID}" ] && [ "${USERID}" != "0" ]; then
printf "Run it as root\n" ; exit 1;
elif [ -z "${USERID}" ]; then
printf "Unable to determine user id, permission errors may occur.\n"
fi
#check for all needed binaries
if [ ! -x "$(command -v uname 2>&1)" ]; then
printf "How in the world do you not have uname installed?\n"
printf "Please select a linux distro which has at least basic functionality (or install uname).\n"
exit 1
fi
if [ ! -x "$(command -v ip 2>&1)" ] && [ ! -x "$(command -v ifconfig 2>&1)" ]; then
printf "You have neither ip (iproute2) nor ifconfig installed.\n"
printf "Please install one of them from your distro's package manager.\n"
exit 1
fi
if [ ! -x "$(command -v iw 2>&1)" ]; then
printf "You don't have iw installed, please install it from your distro's package manager.\n"
printf "If your distro doesn't have a recent version you can download it from this link:\n"
printf "%s\n" "${IW_SOURCE}"
exit 1
fi
if [ ! -x "$(command -v ethtool 2>&1)" ]; then
printf "Please install the ethtool package for your distro.\n"
exit 1
fi
if [ -d /sys/bus/usb ]; then
if [ ! -x "$(command -v lsusb 2>&1)" ]; then
printf "Please install lsusb from your distro's package manager.\n"
exit 1
else
LSUSB=1
fi
else
LSUSB=0
fi
if [ -x "$(command -v iwconfig 2>&1)" ]; then
WIRELESS_TOOLS="1"
fi
wireless_tools_whine() {
printf "This function requires deprecated wireless-tools to support your hardware/driver but it is not installed\n"
printf "Please install the wireless-tools package for your distro, or use different hardware.\n"
exit 1
}
if [ -d /sys/bus/pci ] || [ -d /sys/bus/pci_express ] || [ -d /proc/bus/pci ]; then
PCI_DEVICES=0
if [ -d /sys/bus/pci/devices ] && [ "$(find /sys/bus/pci/devices -type l 2>/dev/null | wc -l)" != '0' ]; then
PCI_DEVICES=1
elif [ -r /proc/bus/pci/devices ] && [ -n "$(cat /proc/bus/pci/devices 2>/dev/null)" ]; then
PCI_DEVICES=1
elif [ -d /sys/bus/pci_express/devices ] && [ "$(find /sys/bus/pci_express/devices -type l 2>/dev/null | wc -l)" != '0' ]; then
PCI_DEVICES=1
fi
if [ ${PCI_DEVICES} -eq 0 ]; then
LSPCI=0
elif [ ! -x "$(command -v lspci 2>&1)" ]; then
printf "Please install lspci from your distro's package manager.\n"
exit 1
else
LSPCI=1
fi
else
LSPCI=0
fi
if [ -f /proc/modules ] || [ -d /sys/module ]; then
if [ ! -x "$(command -v modprobe 2>&1)" ]; then
printf "Your kernel has module support but you don't have modprobe installed.\n"
printf "It is highly recommended to install modprobe (typically from kmod).\n"
MODPROBE=0
else
MODPROBE=1
fi
if [ ! -x "$(command -v modinfo 2>&1)" ]; then
printf "Your kernel has module support but you don't have modinfo installed.\n"
printf "It is highly recommended to install modinfo (typically from kmod).\n"
printf "Warning: driver detection without modinfo may yield inaccurate results.\n"
MODINFO=0
else
MODINFO=1
fi
else
MODINFO=0
fi
if [ -c /dev/rfkill ]; then
if [ ! -x "$(command -v rfkill 2>&1)" ];then
printf "Your kernel supports rfkill but you don't have rfkill installed.\n"
printf "To ensure devices are unblocked you must install rfkill.\n"
RFKILL=0
else
RFKILL=1
fi
else
RFKILL=0
fi
if [ ! -x "$(command -v awk 2>&1)" ]; then
printf "How in the world do you not have awk installed?\n"
printf "Please select a linux distro which has at least basic functionality (or install awk).\n"
exit 1
fi
if [ ! -x "$(command -v grep 2>&1)" ]; then
printf "How in the world do you not have grep installed?\n"
printf "Please select a linux distro which has at least basic functionality (or install grep).\n"
exit 1
fi
#done checking for binaries
usage() {
printf "usage: %s <start|stop|check> <interface> [channel or frequency]\n\n" "$(basename "$0")"
exit 0
}
handleLostPhys() {
MISSING_INTERFACE=""
if [ -d /sys/class/ieee80211 ]; then
for i in /sys/class/ieee80211/*; do
if [ -e "${i}" ] && [ ! -d "${i}/device/net" ]; then
MISSING_INTERFACE="${i##*/}"
printf "\nFound %s with no interfaces assigned, would you like to assign one to it? [y/n] " "${MISSING_INTERFACE}"
yesorno
retcode=$?
if [ "${retcode}" = "1" ]; then
printf "PHY %s will remain lost.\n" "${MISSING_INTERFACE}"
elif [ "${retcode}" = "0" ]; then
PHYDEV=${MISSING_INTERFACE}
findFreeInterface monitor
fi
fi
done
fi
#add some spacing so this doesn't make the display hard to read
printf "\n"
}
findFreeInterface() {
if [ -z "${1}" ]; then
printf "findFreeInterface needs a target mode.\n"
exit 1
fi
if [ "${1}" != "monitor" ] && [ "${1}" != "station" ]; then
printf "findFreeInterface only supports monitor and station for target mode.\n"
exit 1
fi
target_mode="${1}"
if [ "$target_mode" = "monitor" ]; then
target_suffix="mon"
target_type="803"
else
target_suffix=""
target_type="1"
fi
for i in $(seq 0 100); do
if [ "$i" = "100" ]; then
printf "\n\tUnable to find a free name between wlan0 and wlan99, you are on your own from here.\n"
return 1
fi
if [ "$DEBUG" = "1" ]; then
printf "\nChecking candidate wlan%s\n" "${i}"
fi
if [ ! -e "/sys/class/net/wlan${i}" ]; then
if [ "${DEBUG}" = "1" ]; then
printf "\nCandidate wlan%s is not in use\n" "${i}"
fi
if [ ! -e "/sys/class/net/wlan${i}mon" ]; then
if [ "$DEBUG" = "1" ]; then
printf "\nCandidate wlan%s and wlan%smon are both clear, creating wlan%s%s\n" "${i}" "${i}" "${i}" "${target_suffix}"
fi
IW_ERROR="$(iw phy "${PHYDEV}" interface add "wlan${i}${target_suffix}" type "${target_mode}" 2>&1)"
if [ -z "${IW_ERROR}" ]; then
if [ -d "/sys/class/ieee80211/${PHYDEV}/device/net" ]; then
#this should be fixed, but it's not going to be right now
# shellcheck disable=2045
for j in $(ls "/sys/class/ieee80211/${PHYDEV}/device/net/"); do
if [ "$(cat "/sys/class/ieee80211/${PHYDEV}/device/net/${j}/type")" = "${target_type}" ]; then
#here is where we catch udev renaming our interface
k="${j#wlan}"
i="${k%mon}"
fi
done
else
printf "Unable to create wlan%s%s and no error received.\n" "${i}" "${target_suffix}"
return 1
fi
printf "\n\t\t(mac80211 %s mode vif enabled on [%s]wlan%s%s)\n" "${target_mode}" "${PHYDEV}" "${i}" "${target_suffix}"
unset IW_ERROR
break
else
printf "\n\n ERROR adding %s mode interface: %s\n" "${target_mode}" "${IW_ERROR}"
break
fi
else
if [ "$DEBUG" = "1" ]; then
printf "\nCandidate wlan%s does not exist, but wlan%smon does, skipping...\n" "${i}" "${i}"
fi
fi
else
if [ "$DEBUG" = "1" ]; then
printf "\nCandidate wlan%s is in use already.\n" "${i}"
fi
fi
done
}
rfkill_check() {
#take phy and check blocks
if [ "${RFKILL}" = 0 ]; then
#immediately return if rfkill isn't supported
return 0
fi
if [ -z "${1}" ]; then
printf "Fatal, rfkill_check requires a phy to be passed in\n"
exit 1
fi
#first we have to find the rfkill index
#this is available as /sys/class/net/wlan0/phy80211/rfkill## but that's a bit difficult to parse
index="$(rfkill list | grep "${1}:" | awk -F: '{print $1}')"
if [ -z "$index" ]; then
return 187
fi
rfkill_status="$(rfkill list "${index}" 2>&1)"
# it's easier to capture and check this way, but a refactor could make it simpler and safer
# shellcheck disable=2181
if [ $? != 0 ]; then
printf "rfkill error: %s\n" "${rfkill_status}"
return 187
elif [ -z "${rfkill_status}" ]; then
printf "rfkill had no output, something went wrong.\n"
exit 1
else
soft=$(printf "%s" "${rfkill_status}" | grep -i soft | awk '{print $3}')
hard=$(printf "%s" "${rfkill_status}" | grep -i hard | awk '{print $3}')
if [ "${soft}" = "yes" ] && [ "${hard}" = "no" ]; then
return 1
elif [ "${soft}" = "no" ] && [ "${hard}" = "yes" ]; then
return 2
elif [ "${soft}" = "yes" ] && [ "${hard}" = "yes" ]; then
return 3
fi
fi
return 0
}
rfkill_unblock() {
#attempt unblock and CHECK SUCCESS
if [ "${RFKILL}" = 0 ]; then
#immediately return if rfkill isn't supported
return 0
fi
if ! rfkill unblock "${1#phy}" 2>&1; then
rfkill_status="$(rfkill unblock "${index}" 2>&1)"
# it would be nice to refactor this, but it's easier this way
# shellcheck disable=2181
if [ $? != 0 ]; then
if [ "$(printf "%s" "${rfkill_status}" | grep -c "Usage")" -eq 1 ]; then
printf "Missing parameters in rfkill! Report this"
else
printf "rfkill error: %s\n" "${rfkill_status}"
fi
printf "Unable to unblock.\n"
return 1
fi
fi
sleep 1
return 0
}
setLink() {
if [ -x "$(command -v ip 2>&1)" ]; then
ip link set dev "${1}" "${2}" > /dev/null 2>&1 || printf "\nFailed to set %s %s using ip\n" "${1}" "${2}"
elif [ -x "$(command -v ifconfig 2>&1)" ]; then
ifconfig "${1}" "${2}" > /dev/null 2>&1 || printf "\nFailed to set %s %s using ifconfig\n" "${1}" "${2}"
fi
return
}
ifaceIsUp() {
if [ -x "$(command -v ip 2>&1)" ]; then
ifaceIsUpCmd="ip link show dev"
elif [ -x "$(command -v ifconfig 2>&1)" ]; then
ifaceIsUpCmd="ifconfig"
fi
if ${ifaceIsUpCmd} "${1}" 2>&1 | grep -q UP
then
return
else
return 1
fi
}
ifaceExists() {
if [ -x "$(command -v ip 2>&1)" ]; then
ifaceExistsCmd="ip link show dev"
elif [ -x "$(command -v ifconfig 2>&1)" ]; then
ifaceExistsCmd="ifconfig"
fi
if ${ifaceExistsCmd} "${1}" > /dev/null 2>&1
then
return
else
return 1
fi
}
startDeprecatedIface() {
# This function is here only for emergency. If a driver calls it, add it to the list.
# This function is currently called by: NOTHING
if [ "${WIRELESS_TOOLS}" = "1" ];then
if iwconfig "${1}" | grep -q 'Monitor'
then
printf "\t\t(Monitor mode already enabled for [%s]%s)\n" "${PHYDEV}" "${1}"
return
fi
setLink "${1}" down
iwconfig "${1}" mode monitor > /dev/null 2>&1
if [ -n "${2}" ]; then
if [ "${2}" -lt 1000 ]; then
iwconfig "${1}" channel "${2}" > /dev/null 2>&1
else
iwconfig "${1}" freq "${2}000000" > /dev/null 2>&1
fi
else
iwconfig "${1}" channel "${CH}" > /dev/null 2>&1
fi
iwconfig "${1}" key off > /dev/null 2>&1
setLink "${1}" up
printf "\t\t(monitor mode enabled)\n"
else
wireless_tools_whine
fi
}
changeMac80211IfaceTypeMonitor() {
iw dev "${1}" set type monitor > /dev/null 2>&1
setLink "${1}" up
printf "\t\t(monitor mode enabled)\n"
}
qcaldSafetyCheck() {
icnss_file="/sys/module/wlan/parameters/con_mode"
if [ ! -f "${icnss_file}" ]; then
printf "Unable to find %s which is needed to control mode.\n" "${icnss_file}"
printf "Is /sys mounted correctly?\n"
exit 1
fi
if [ ! -w "${icnss_file}" ]; then
printf "%s is present but we do not have write permission\n" "${icnss_file}"
printf "Unable to control mode, giving up\n"
exit 1
fi
}
changeQcacldIfaceTypeMonitor() {
#this is far too fragile for me, since it obviously doesn't
#work if you have multiple cards with this driver
#hopefully that never happens
qcaldSafetyCheck
echo 4 > /sys/module/wlan/parameters/con_mode
setLink "${1}" up
printf "\t\t(monitor mode enabled)\n"
}
yesorno() {
read -r input
case $input in
y) return 0 ;;
yes) return 0 ;;
n) return 1 ;;
no) return 1 ;;
*) printf "\nInvalid input. Yes, or no? [y/n] "
yesorno;;
esac
}
startMac80211Iface() {
#check if rfkill is set and cry if it is
rfkill_check "${PHYDEV}"
rfkill_retcode="$?"
case ${rfkill_retcode} in
1) printf "\t%s is soft blocked, please run \"rfkill unblock %s\" to use this interface.\n" "${1}" "${index}" ;;
2) printf "\t%s is hard blocked, please flip the hardware wifi switch (or in BIOS) to on.\n"a "${1}"
printf "\tIt may also be possible to unblock with \"rfkill unblock %s\"\n" "${index}"
if [ "${checkvm_status}" != "run" ]; then
checkvm
fi
if [ -n "${vm}" ]; then
printf "Detected VM using %s\n" "${vm_from}"
printf "This appears to be a %s Virtual Machine\n" "${vm}"
printf "Some distributions have bugs causing rfkill hard block to be forced on in a VM.\n"
printf "If toggling the rfkill hardware switch and \"rfkill unblock %s\" both fail\n" "${index}"
printf "to fix this, please try not running in a VM.\n"
fi
;;
3) printf "\t%s is hard and soft blocked, please flip the hardware wifi switch to on.\n" "${1}"
printf "\tIt may also be needed to unblock with \"rfkill unblock %s\"\n" "${index}" ;;
esac
if [ "${rfkill_retcode}" != 0 ]; then
printf "rfkill error, unable to start %s\n\n" "${1}"
printf "Would you like to try and automatically resolve this? [y/n] "
yesorno
retcode="$?"
if [ "${retcode}" = "1" ]; then
return 1
elif [ "${retcode}" = "0" ]; then
rfkill_unblock "${PHYDEV}"
fi
fi
#check if $1 already has a mon interface on the same phy and bail if it does
if [ -d "/sys/class/ieee80211/${PHYDEV}/device/net" ]; then
#this should be fixed, but it's not going to be right now
# shellcheck disable=2045
for i in $(ls "/sys/class/ieee80211/${PHYDEV}/device/net/"); do
if [ "$(cat "/sys/class/ieee80211/${PHYDEV}/device/net/${i}/type")" = "803" ]; then
setChannelMac80211 "${i}"
printf "\t\t(mac80211 monitor mode already enabled for [%s]%s on [%s]%s)\n" "${PHYDEV}" "${1}" "${PHYDEV}" "${i}"
exit
fi
done
fi
#handle Qualcomm qcacld
if [ "${DRIVER}" = "icnss" ]; then
setLink "${1}" down
changeQcacldIfaceTypeMonitor "${1}"
setChannelMac80211 "${1}"
return
fi
#check if chipset has driver not under mac80211 stack
if [ "${DRIVER}" = "88XXau" ] || iw phy "${PHYDEV}" info | grep -q 'interface combinations are not supported'; then
#grumble grumble, seriously crap vendor driver
setLink "${1}" down
changeMac80211IfaceTypeMonitor "${1}"
setChannelMac80211 "${1}"
return
fi
#we didn't bail means we need a monitor interface
if [ ${#1} -gt 12 ]; then
printf "Interface %smon is too long for linux so it will be renamed to the old style (wlan#) name.\n" "${1}"
findFreeInterface monitor
else
if [ -e "/sys/class/net/${1}mon" ]; then
printf "\nYou already have a %smon device but it is NOT in monitor mode." "${1}"
printf "\nWhatever you did, don't do it again."
printf "\nPlease run \"iw %smon del\" before attempting to continue\n" "${1}"
exit 1
fi
#we didn't bail means our target interface is available
setLink "${1}" down
IW_ERROR="$(iw phy "${PHYDEV}" interface add "${1}mon" type monitor 2>&1)"
if [ -z "${IW_ERROR}" ]; then
sleep 1
if [ -r "/sys/class/ieee80211/${PHYDEV}/device/net/${1}mon/type" ] && [ "$(cat "/sys/class/ieee80211/${PHYDEV}/device/net/${1}mon/type")" = "803" ]; then
setChannelMac80211 "${1}mon"
else
printf "\nNewly created monitor mode interface %smon is *NOT* in monitor mode.\n" "${1}"
printf "Removing non-monitor %smon interface...\n" "${1}"
stopMac80211Iface "${1}mon" abort
exit 1
fi
printf "\t\t(mac80211 monitor mode vif enabled for [%s]%s on [%s]%smon)\n" "${PHYDEV}" "${1}" "${PHYDEV}" "${1}"
else
printf "\nERROR adding monitor mode interface: %s\n" "${IW_ERROR}"
exit 1
fi
fi
if [ "${ELITE}" = "1" ]; then
#check if $1 is still down, warn if not
if ifaceIsUp "${1}"
then
printf "\nInterface %s is up, but it should be down. Something is interfering." "${1}"
printf "\nPlease run \"airmon-ng check kill\" and/or kill your network manager."
fi
else
isRPiWireless && iw "${1}" del
printf "\t\t(mac80211 station mode vif disabled for [%s]%s)\n" "${PHYDEV}" "${1}"
fi
}
isRPiWireless() {
HW_REV="$(grep Revision /proc/cpuinfo | awk '{print $3}')"
[ -z "${HW_REV}" ] && return 0
# http://www.raspberrypi-spy.co.uk/2012/09/checking-your-raspberry-pi-board-version/
# https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
[ "${HW_REV}" = 'a22082' ] && return 1
[ "${HW_REV}" = 'a32082' ] && return 1
[ "${HW_REV}" = 'a52082' ] && return 1
[ "${HW_REV}" = 'a02082' ] && return 1
[ "${HW_REV}" = '9000c1' ] && return 1
[ "${HW_REV}" = 'a020d3' ] && return 1
[ "${HW_REV}" = '9020e0' ] && return 1
[ "${HW_REV}" = '9020e0' ] && return 1
[ "${HW_REV}" = 'a22083' ] && return 1
[ "${HW_REV}" = 'a020a0' ] && return 1
[ "${HW_REV}" = 'a220a0' ] && return 1
[ "${HW_REV}" = 'a02100' ] && return 1
[ "${HW_REV}" = 'a03111' ] && return 1
[ "${HW_REV}" = 'b03111' ] && return 1
[ "${HW_REV}" = 'c03111' ] && return 1
[ "${HW_REV}" = 'b03112' ] && return 1
[ "${HW_REV}" = 'b03114' ] && return 1
[ "${HW_REV}" = 'c03112' ] && return 1
[ "${HW_REV}" = 'c03114' ] && return 1
[ "${HW_REV}" = 'd03114' ] && return 1
[ "${HW_REV}" = 'c03130' ] && return 1
[ "${HW_REV}" = 'a03140' ] && return 1
[ "${HW_REV}" = 'b03140' ] && return 1
[ "${HW_REV}" = 'c03140' ] && return 1
[ "${HW_REV}" = 'd03140' ] && return 1
return 0
}
startwlIface() {
if [ -f "/proc/brcm_monitor0" ]; then
if [ -r "/proc/brcm_monitor0" ]; then
brcm_monitor="$(cat /proc/brcm_monitor0)"
if [ "$brcm_monitor" = "1" ]; then
printf "\n\t\t(experimental wl monitor mode vif already enabled for [%s]%s on [%s]prism0)\n" "${PHYDEV}" "${1}" "${PHYDEV}"
return 0
fi
fi
if [ -w "/proc/brcm_monitor0" ]; then
if printf "1" > /proc/brcm_monitor0; then
printf "\n\t\t(experimental wl monitor mode vif enabled for [%s]%s on [%s]prism0)\n" "${PHYDEV}" "${1}" "${PHYDEV}"
else
printf "\n\t\t(failed to enable experimental wl monitor mode for [%s]%s)\n" "${PHYDEV}" "${1}"
fi
else
printf "\n\tUnable to write to /proc/brcm_monitor0, cannot enable monitor mode.\n"
fi
else
printf "\n\tThis version of wl does not appear to support monitor mode.\n"
fi
}
#startDarwinIface() {
# if [ -x /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport ]; then
# if [ -n "${CH}" ] && [ ${CH} -lt 220 ]; then
# /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport $1 sniff ${CH}
# else
# printf "Channel is set to none channel value of ${CH}
# fi
# fi
#}
setChannelMac80211() {
setLink "${1}" up
i=0
if [ -n "${CH}" ]; then
# if channel is less than 900 assume it's a channel and try to set it as a channel
# wil6210 driver doesn't support setting by channel afaict so jump it to the else
if [ "${CH}" -lt 900 ] && [ "${DRIVER}" != "wil6210" ]; then
if [ -r "/sys/class/net/$1/phy80211/name" ]; then
channel_list="$(iw phy "$(cat "/sys/class/net/${1}/phy80211/name")" channels 2>&1 | awk -F'[][]' '$2{print $2}')"
hardware_valid_channel=1
for i in $channel_list; do
if [ "${CH}" = "0" ]; then
# channel 0 means default, default means set first supported channel
CH="${i}"
hardware_valid_channel=0
break
fi
if [ "${CH}" = "${i}" ]; then
hardware_valid_channel=0
break
fi
last_chan="${i}"
done
if [ "${hardware_valid_channel}" = "1" ]; then
printf "Channel %s does not appear to be supported by %s hardware, defaulting to known valid channel %s\n\n" "${CH}" "${1}" "${last_chan}"
CH="${last_chan}"
fi
fi
IW_ERROR="$(iw dev "${1}" set channel "${CH}" 2>&1)"
# channel is 900 or over, assume it's a frequency and set it as such
else
if [ -r "/sys/class/net/$1/phy80211/name" ]; then
frequency_list="$(iw phy "$(cat "/sys/class/net/${1}/phy80211/name")" channels 2>&1 | sed -nr 's/.*( |^)([0-9]+) MHz .*/\2/p')"
hardware_valid_freq=1
for i in $frequency_list; do
if [ "${CH}" = "0" ]; then
# channel 0 means default, default means set first supported freq
CH="${i}"
hardware_valid_channel=0
break
fi
if [ "${CH}" = "${i}" ]; then
hardware_valid_freq=0
break
fi
last_freq="${i}"
done
if [ "${hardware_valid_freq}" = "1" ]; then
printf "Frequency %s does not appear to be supported by %s hardware, defaulting to known valid freq %s Mhz\n\n" "${CH}" "${1}" "${last_freq}"
CH="${last_freq}"
fi
fi
IW_ERROR="$(iw dev "${1}" set freq "${CH}" 2>&1)"
fi
else
printf "CH is unset, this should not be possible.\n"
exit 1
fi
if [ -n "${IW_ERROR}" ]; then
printf "\nError setting channel: %s\n" "${IW_ERROR}"
if printf "%s" "${IW_ERROR}" | grep -q '(-16)'; then
printf "Error -16 likely means your card was set back to station mode by something.\n"
printf "Removing non-monitor %s interface...\n" "${1}"
stopMac80211Iface "${1}" abort
exit 1
fi
if printf "%s" "${IW_ERROR}" | grep -q '(-22)'; then
printf "Unable to set channel/frequency %s, most likely it is outside of regulatory domain\n\n" "${CH}"
fi
fi
}
stopDeprecatedIface() {
# This function is here only for emergency. If a driver calls it, add it to the list.
# This function is currently called by: NOTHING
if [ "${WIRELESS_TOOLS}" = "1" ];then
if iwconfig "${1}" | grep -q 'Managed'
then
printf "\t\t(Monitor mode already disabled for [%s]%s)\n" "${PHYDEV}" "${1}"
return
fi
setLink "${1}" down
iwconfig "${1}" mode Managed > /dev/null 2>&1
setLink "${1}" up
printf "\t\t(monitor mode disabled)\n"
else
wireless_tools_whine
fi
}
changeMac80211IfaceTypeManaged() {
setLink "${1}" down
iw dev "${1}" set type managed > /dev/null 2>&1
setLink "${1}" up
printf "\t\t(monitor mode disabled)\n"
}
changeQcacldIfaceTypeManaged() {
setLink "${1}" down
#stupidly unsafe with more than one card, oh well
qcaldSafetyCheck
echo 0 > /sys/module/wlan/parameters/con_mode
setLink "${1}" up
printf "\t\t(monitor mode disabled)\n"
}
stopMac80211Iface() {
if [ -f "/sys/class/net/${1}/type" ]; then
if [ "${2}" != "abort" ] && [ "$(cat "/sys/class/net/${1}/type")" != "803" ]; then
printf "\nYou are trying to stop a device that isn't in monitor mode.\n"
printf "Doing so is a terrible idea, if you really want to do it then you\n"
printf "need to type 'iw %s del' yourself since it is a terrible idea.\n" "${1}"
printf "Most likely you want to remove an interface called wlan[0-9]mon\n"
printf "If you feel you have reached this warning in error,\n"
printf "please report it.\n"
exit 1
else
if [ "${DRIVER}" = "icnss" ]; then
changeQcacldIfaceTypeManaged "${1}"
return
fi
if [ "${DRIVER}" = "88XXau" ] || iw phy "${PHYDEV}" info | grep -q 'interface combinations are not supported'; then
#grumble grumble, seriously crap vendor driver
changeMac80211IfaceTypeManaged "${1}"
return
fi
if [ "${ELITE}" = "0" ]; then
need_sta=1
if [ -d "/sys/class/ieee80211/${PHYDEV}/device/net" ]; then
# this should be refactored, but it's very fragile so not today
# shellcheck disable=2045
for i in $(ls "/sys/class/ieee80211/${PHYDEV}/device/net/"); do
if [ -r "/sys/class/ieee80211/${PHYDEV}/device/net/${i}/type" ] && [ "$(cat "/sys/class/ieee80211/${PHYDEV}/device/net/${i}/type")" = "1" ]; then
[ "${2}" != "abort" ] && printf "\n\t\t(mac80211 station mode vif already available for [%s]%s on [%s]%s)\n" "${PHYDEV}" "${1}" "${PHYDEV}" "${i}"
need_sta=0
fi
done
fi
if [ "${need_sta}" = "1" ] && [ -e "/sys/class/net/${1%mon}/phy80211/name" ]; then
if [ "$(cat "/sys/class/net/${1%mon}/phy80211/name")" = "${PHYDEV}" ]; then
printf "\nYou already have a %s device but it is NOT in station mode." "${1%mon}"
printf "\nWhatever you did, don't do it again."
printf "\nPlease run \"iw %s del\" before attempting to continue\n" "${1%mon}"
exit 1
else
printf "\nYou already have a %s device, but it is not on the same phy as %s.\n" "${1%mon}" "${1}"
printf "\nAttemping to pick a new name...\n"
findFreeInterface station
fi
fi
if [ "${need_sta}" = "1" ]; then
IW_ERROR="$(iw phy "${PHYDEV}" interface add "${1%mon}" type station 2>&1)"
if [ -z "${IW_ERROR}" ]; then
# The sleep below is to deal with when udev renames the interface we just created
# except it does it just slow enough that this check was passing before it did it.
# I don't want to add long sleeps here, but there isn't another way to deal with it.
sleep 1
interface="${1%mon}"
if [ -d "/sys/class/ieee80211/${PHYDEV}/device/net" ]; then
# this should be refactored, but it's very fragile so not today
# shellcheck disable=2045
for i in $(ls "/sys/class/ieee80211/${PHYDEV}/device/net/"); do
if [ "$(cat "/sys/class/ieee80211/${PHYDEV}/device/net/${i}/type")" = "1" ]; then
#here is where we catch udev renaming our interface
interface="${i}"
fi
done
fi
printf "\t\t(mac80211 station mode vif enabled on [%s]%s)\n" "${PHYDEV}" "${interface}"
else
printf "\n ERROR adding station mode interface: %s\n" "${IW_ERROR}"
fi
fi
fi
setLink "${1}" down
IW_ERROR="$(iw dev "${1}" del 2>&1 | grep "nl80211 not found")"
if [ -z "$IW_ERROR" ]; then
if [ "${2}" != "abort" ]; then
printf "\t\t(mac80211 monitor mode vif disabled for [%s]%s)\n" "${PHYDEV}" "${1}"
elif [ "${2}" = "abort" ]; then
printf "\nWARNING: unable to start monitor mode, please run \"airmon-ng check kill\"\n"
fi
else
if [ -f "/sys/class/ieee80211/${PHYDEV}/remove_iface" ]; then
printf "%s" "${1}" > "/sys/class/ieee80211/${PHYDEV}/remove_iface"
printf "\t\t(mac80211 monitor mode vif disabled for [%s]%s)\n" "${PHYDEV}" "${1}"
else
printf "\n\nERROR: Neither the sysfs interface links nor the iw command is available.\n"
printf "Please install the iw package from your distro, or download and install iw from\n%s\n" "${IW_SOURCE}"
fi
fi
fi
fi
}
stopwlIface() {
if [ -f "/proc/brcm_monitor0" ]; then
if [ -r "/proc/brcm_monitor0" ]; then
brcm_monitor="$(cat /proc/brcm_monitor0)"
if [ "$brcm_monitor" = "0" ]; then
printf "\n\t\t(experimental wl monitor mode vif already disabled for [%s]%s)\n" "${PHYDEV}" "${1}"
return 0
fi
fi
if [ -w "/proc/brcm_monitor0" ]; then
if printf "0" > /proc/brcm_monitor0; then
printf "\n\t\t(experimental wl monitor mode vif disabled for [%s]%s)\n" "${PHYDEV}" "${1}"
else
printf "\n\t\t(failed to disable experimental wl monitor mode for [%s]%s)\n" "${PHYDEV}" "${1}"
fi
else
printf "\n\tUnable to write to /proc/brcm_monitor0, cannot disable monitor mode.\n"
fi
else
printf "\n\tThis version of wl does not appear to support monitor mode.\n"
fi
}
getDriver() {
unset DRIVER
#standard detection path, this is all that is needed for proper drivers
#DRIVER=$(printf "$ethtool_output" | awk '/driver/ {print $2}')
#if $(modinfo -F filename ${DRIVER} > /dev/null 2>&1)
#then
# true
#else
# unset DRIVER
#fi
#if [ "$DRIVER" = "" ]
#then
if [ -f "/sys/class/net/$1/device/uevent" ]; then
DRIVER="$(awk -F'=' '$1 == "DRIVER" {print $2}' "/sys/class/net/${1}/device/uevent")"
fi
#fi
#here we test for driver usb, ath9k_htc,rt2870, possibly others show this
if [ "$DRIVER" = "usb" ]; then
BUSADDR="$(printf "%s" "${ethtool_output}" | awk '/bus-info/ {print $2}'):1.0"
if [ "$DEBUG" = "1" ]; then
printf "Warn ON: USB\n"
printf "%s\n" "${BUSADDR}"
fi
if [ -n "$BUSADDR" ]; then
if [ -f "/sys/class/net/${1}/device/${BUSADDR}/uevent" ]; then
DRIVER="$(awk -F'=' '$1 == "DRIVER" {print $2}' "/sys/class/net/${1}/device/${BUSADDR}/uevent")"
fi
fi
#here we can normalize driver names we don't like
if [ "$DRIVER" = "rt2870" ]; then
DRIVER="rt2870sta"
fi
if [ -f "/sys/class/net/${1}/device/idProduct" ]; then
if [ "$(cat "/sys/class/net/${1}/device/idProduct")" = "3070" ]; then
DRIVER="rt3070sta"
fi
fi
fi
if [ "$DRIVER" = "rtl8187L" ]; then
DRIVER="r8187l"
fi
if [ "$DRIVER" = "rtl8187" ] && [ "$STACK" = "ieee80211" ]; then
DRIVER="r8187"
fi
if [ "${DRIVER}" = "8812au" ] || [ "${DRIVER}" = "8814au" ] || [ "${DRIVER}" = "rtl88xxau" ] || [ "${DRIVER}" = "rtl88XXau" ]; then
DRIVER="88XXau"
fi
if [ "$DRIVER" = "rtl8812au" ]; then
DRIVER="8812au"
fi
#Here we will catch the broken lying drivers not caught above
#currently this only functions for pci devices and not usb since lsusb has no -k option
if [ "${MODINFO}" = "1" ]; then
if modinfo -F filename "${DRIVER}" > /dev/null 2>&1
then
true
else
save="${DRIVER}"
if [ -n "${DEVICEID}" ] && [ "${BUS}" = "pci" ]; then
DRIVER="$(lspci -d "${DEVICEID}" -k | awk '/modules/ {print $3}')"
fi
if [ -z "${BUS}" ] || [ "${BUS}" != 'sdio' ]; then
unset DRIVER
fi
if [ -n "${save}" ] && [ -z "${DRIVER}" ] ; then
DRIVER="${save}"
fi
fi
fi
if [ -z "${DRIVER}" ] ; then
DRIVER="??????"
fi
if [ "${DEBUG}" = "1" ]; then
printf "getdriver() %s\n" "${DRIVER}"
fi
}
getFrom() {
#from detection
FROM="K"
if [ "${MODINFO}" = "1" ] && [ -f /proc/modules ]; then
if modinfo -F filename "${DRIVER}" 2>&1 | grep -q 'kernel/drivers'
then
FROM="K"
#we add special handling here because we hate the vendor drivers AND they install in the wrong place
if [ "$DRIVER" = "r8187" ]; then
FROM="V"
elif [ "$DRIVER" = "r8187l" ]; then
FROM="V"
elif [ "$DRIVER" = "rt5390sta" ]; then
FROM="V"
elif [ "${DRIVER}" = "8812au" ] || [ "${DRIVER}" = "8814au" ]; then
FROM="V"
fi
elif modinfo -F filename "${DRIVER}" 2>&1 | grep -q 'updates/drivers'
then
FROM="C"
elif modinfo -F filename "${DRIVER}" 2>&1 | grep -q 'misc'
then
FROM="V"
elif modinfo -F filename "${DRIVER}" 2>&1 | grep -q 'staging'
then
FROM="S"
else
FROM="?"
fi
else
FROM="K"
fi
#maybe add an 'intree' check?
if [ "$DEBUG" = "1" ]; then
printf "getFrom() %s\n" "${FROM}"
fi
}
getFirmware() {
FIRMWARE="$(printf "%s" "${ethtool_output}" | awk '/firmware-version/ {print $2}')"
#ath9k_htc and intel firmware is a shorter version number than most so trap and make it pretty
if [ "${DRIVER}" = "ath9k_htc" ] || [ "${DRIVER}" = "iwlwifi" ]; then
FIRMWARE="$FIRMWARE\t"
fi
if [ "$FIRMWARE" = "N/A" ]; then
FIRMWARE="$FIRMWARE\t"
elif [ -z "$FIRMWARE" ]; then
FIRMWARE="unavailable"
fi
if [ "$DEBUG" = "1" ]; then
printf "getFirmware %s\n" "${FIRMWARE}"
fi
}
getChipset() {
#this needs cleanup, we shouldn't have multiple lines assigning chipset per bus
#fix this to be one line per bus
if [ -f "/sys/class/net/${1}/device/modalias" ]; then
# refactor this soon