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#!/bin/sh
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#
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# Build and Setup nexmon with monitor mode patch
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#
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# Load utility functions
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. ./functions.sh
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if [ "$ENABLE_NEXMON" = true ] && [ "$ENABLE_WIRELESS" = true ]; then
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# Create temporary directory for nexmon sources
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temp_dir=$(as_nobody mktemp -d)
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# Fetch nexmon sources
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as_nobody git -C "${temp_dir}" clone "${NEXMON_URL}"
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# Copy downloaded nexmon sources
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mv "${temp_dir}/nexmon" "${R}"/tmp/
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# Set permissions of the nexmon sources
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chown -R root:root "${R}"/tmp/nexmon
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# Set script Root
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export NEXMON_ROOT="${R}"/tmp/nexmon
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# Remove temporary directory for nexmon sources
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rm -fr "${temp_dir}"
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# Build nexmon firmware outside the build system, if we can.
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cd "${NEXMON_ROOT}" || exit
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# Disable statistics
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touch DISABLE_STATISTICS
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# Setup Enviroment: see https://github.com/NoobieDog/nexmon/blob/master/setup_env.sh
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#ARCH="${KERNEL_ARCH}"
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#SUBARCH="${KERNEL_ARCH}"
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export KERNEL="${KERNEL_IMAGE}"
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export ARCH=arm
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export SUBARCH=arm
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export CC="${NEXMON_ROOT}"/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
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export CCPLUGIN="${NEXMON_ROOT}"/buildtools/gcc-nexmon-plugin/nexmon.so
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export ZLIBFLATE="zlib-flate -compress"
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export Q=@
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export NEXMON_SETUP_ENV=1
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export HOSTUNAME=$(uname -s)
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export PLATFORMUNAME=$(uname -m)
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#. ./setup_env.sh
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# Make nexmon
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make
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# Make ancient isl build
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cd buildtools/isl-0.10 || exit
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CC="${CC}"gcc
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./configure
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make
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# build patches
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if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] ; then
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cd "${NEXMON_ROOT}"/patches/bcm43430a1/7_45_41_46/nexmon || exit
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make clean
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# We do this so we don't have to install the ancient isl version into /usr/local/lib on systems.
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LD_LIBRARY_PATH="${NEXMON_ROOT}"/buildtools/isl-0.10/.libs make ARCH="${KERNEL_ARCH}" CC="${NEXMON_ROOT}"/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
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# copy RPi0W & RPi3 firmware
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mv "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.org.bin
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cp "${NEXMON_ROOT}"/patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac43430-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.nexmon.bin
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cp -f "${NEXMON_ROOT}"/patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac43430-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43430-sdio.bin
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fi
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if [ "$RPI_MODEL" = 3P ] ; then
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cd "${NEXMON_ROOT}"/patches/bcm43455c0/7_45_154/nexmon || exit
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make clean
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# We do this so we don't have to install the ancient isl version into /usr/local/lib on systems.
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LD_LIBRARY_PATH=${NEXMON_ROOT}/buildtools/isl-0.10/.libs make ARCH="${KERNEL_ARCH}" CC="${NEXMON_ROOT}"/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
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# RPi3B+ firmware
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mv "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.org.bin
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cp "${NEXMON_ROOT}"/patches/bcm43455c0/7_45_154/nexmon/brcmfmac43455-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.nexmon.bin
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cp -f "${NEXMON_ROOT}"/patches/bcm43455c0/7_45_154/nexmon/brcmfmac43455-sdio.bin "${WLAN_FIRMWARE_DIR}"/brcmfmac43455-sdio.bin
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fi
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# Install kernel module
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"${LIB_DIR}"/modules/${KERNEL_VERSION}/
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#Revert to previous directory
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cd "${WORKDIR}" || exit
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fi
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## To make the RPi load the modified driver after reboot
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# Find the path of the default driver at reboot
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# e.g. '/lib/modules/4.14.71-v7+/kernel/drivers/net/wireless/broadcom/brcm80211/brcmfmac/brcmfmac.ko'
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PATH_OF_DEFAULT_DRIVER_AT_REBOOT=$(modinfo brcmfmac | grep -m 1 -oP "^filename:(\s*?)(.*)$" | sed -e 's/^filename:\(\s*\)\(.*\)$/\2/g')
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# Backup the original driver
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mv $PATH_OF_DEFAULT_DRIVER_AT_REBOOT "$PATH_OF_DEFAULT_DRIVER_AT_REBOOT.orig"
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# Copy the modified driver (Kernel 4.14)
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if is_pizero ; then
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cp ./patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac_4.14.y-nexmon/brcmfmac.ko $PATH_OF_DEFAULT_DRIVER_AT_REBOOT
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else
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cp ./patches/bcm43455c0/7_45_154/nexmon/brcmfmac_4.14.y-nexmon/brcmfmac.ko $PATH_OF_DEFAULT_DRIVER_AT_REBOOT
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fi
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# Probe all modules and generate new dependency
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depmod -a
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