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392
ap.sh
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392
ap.sh
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#!/bin/bash
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# The script configures simultaneous AP and Managed Mode Wifi on Raspberry Pi
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# Distribution Raspbian Buster
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# works on:
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# -Raspberry Pi Zero W
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# -Raspberry Pi 3 B+
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# -Raspberry Pi 3 A+
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# Licence: GPLv3
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# Author: Mickael Lehoux <mickael.lehoux@gmail.com>
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# Repository: https://github.com/MkLHX/AP_STA_RPI_SAME_WIFI_CHIP
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# Special thanks to: https://github.com/lukicdarkoo/rpi-wifi
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# set -exv
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# Error management
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set -o errexit
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set -o pipefail
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set -o nounset
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DEFAULT='\033[0;39m'
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WHITE='\033[0;02m'
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RASPBERRY='\033[0;35m'
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GREEN='\033[1;32m'
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RED='\033[1;31m'
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_welcome() {
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VERSION="1.7.2"
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echo -e "${RASPBERRY}\n"
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echo -e " "
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echo -e " /888888 /8888888 /888888 /88888888 /888888 "
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echo -e " /88__ 88| 88__ 88 /88 /88__ 88|__ 88__//88__ 88"
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echo -e "| 88 \ 88| 88 \ 88 | 88 | 88 \__/ | 88 | 88 \ 88"
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echo -e "| 88888888| 8888888/ /88888888 | 888888 | 88 | 88888888"
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echo -e "| 88__ 88| 88____/ |__ 88__/ \____ 88 | 88 | 88__ 88"
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echo -e "| 88 | 88| 88 | 88 /88 \ 88 | 88 | 88 | 88"
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echo -e "| 88 | 88| 88 |__/ | 888888/ | 88 | 88 | 88"
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echo -e "|__/ |__/|__/ \______/ |__/ |__/ |__/"
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echo -e " "
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echo -e " version ${VERSION} "
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echo -e " By https://github.com/MkLHX "
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echo -e "${GREEN} "
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echo -e "Manage AP + STA modes on Raspberry Pi with the same wifi chip\n\n "
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}
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_logger() {
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echo -e "${GREEN}"
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echo "${1}"
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echo -e "${DEFAULT}"
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}
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_usage() {
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cat 1>&2 <<EOF
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Configures simultaneous AP and Managed Mode Wifi on Raspberry Pi
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USAGE:
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ap_sta_config.sh --ap <ap_ssid> [<ap_password>] --client <client_password> [<client_password>] --country <iso_3166_country_code>
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# configure AP + STA
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ap_sta_config.sh --ap ap_ssid ap_passphrases --client client_ssid client_passphrase --country FR
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# configure AP + STA and change the wifi mode
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ap_sta_config.sh --ap ap_ssid ap_passphrases --client client_ssid client_passphrase --country FR --hwmode b
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# update the AP configuration
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ap_sta_config.sh --ap ap_ssid ap_passphrases --ap-only
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# update the STA (client) configuration
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ap_sta_config.sh --client client_ssid client_passphrase --country FR --sta-only
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# logs are written in /var/log/ap_sta_wifi folder
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PARAMETERS:
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-a, --ap AP SSID & password
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-c, --client Client SSID & password
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-i, --ip AP IP (by default ip pattern 192.168.10.x)
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-cy, --country ISO3166 Country Code (by default FR)
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-hw, --hwmode Mode Wi-Fi a = IEEE 802.11a, b = IEEE 802.11b, g = IEEE 802.11g (by default g)
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FLAGS:
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-ao, --ap-only Set only AP
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-so, --sta-only Set only STA
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-n, --no-internet Disable IP forwarding
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-h, --help Show this help
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EOF
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exit 0
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}
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POSITIONAL=()
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while [[ $# -gt 0 ]]; do
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key="$1"
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case $key in
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-c | --client)
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CLIENT_SSID="$2"
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CLIENT_PASSPHRASE="$3"
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shift
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shift
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shift
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;;
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-a | --ap)
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AP_SSID="$2"
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AP_PASSPHRASE="$3"
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shift
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shift
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shift
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;;
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-i | --ip)
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ARG_AP_IP="$2"
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shift
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shift
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;;
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-cy | --country)
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ARG_COUNTRY_CODE="$2"
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shift
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shift
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;;
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-hw | --hwmode)
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ARG_WIFI_MODE="$2"
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shift
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shift
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;;
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-n | --no-internet)
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NO_INTERNET="true"
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shift
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;;
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-ao | --ap-only)
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AP_ONLY="true"
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shift
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;;
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-so | --sta-only)
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STA_ONLY="true"
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shift
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;;
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-h | --help)
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_usage
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shift
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;;
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*)
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POSITIONAL+=("$1")
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shift
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;;
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esac
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done
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set -- "${POSITIONAL[@]}"
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if [ $(id -u) != 0 ]; then
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echo -e "${RED}"
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echo "You need to be root to run this script! Please run 'sudo bash $0'"
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echo -e "${DEFAULT}"
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exit 1
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fi
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# check if crontabs are initialized
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if [[ 1 -eq $(crontab -l | grep -cF "no crontab for root") ]]; then
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echo -e ${RED}
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echo "this script need to use crontab."
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echo "you have to initialize and configure crontabs before run this script!"
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echo "run 'sudo crontab -e'"
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echo "select EDITOR nano or whatever"
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echo "edit crontab by adding '# a comment line' or whatever"
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echo "save and exit 'ctrl + s' & 'crtl + x'"
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echo "restart the script 'sudo bash $0'"
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echo -e "${DEFAULT}"
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exit 1
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fi
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(test -v AP_SSID && test -v CLIENT_SSID && test -v ARG_COUNTRY_CODE) || (test -v AP_SSID && test -v AP_ONLY) || (test -v CLIENT_SSID && test -v ARG_COUNTRY_CODE && test -v STA_ONLY) || _usage
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WIFI_MODE=${ARG_WIFI_MODE:-'g'}
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COUNTRY_CODE=${ARG_COUNTRY_CODE:-'FR'}
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AP_IP=${ARG_AP_IP:-'192.168.10.1'}
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AP_IP_BEGIN=$(echo "${AP_IP}" | sed -e 's/\.[0-9]\{1,3\}$//g')
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MAC_ADDRESS="$(cat /sys/class/net/wlan0/address)"
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if ! test -v AP_ONLY; then
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AP_ONLY="false"
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fi
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if ! test -v STA_ONLY; then
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STA_ONLY="false"
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fi
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# welcome cli user
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_welcome
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if test true != "${STA_ONLY}" && test true == "${AP_ONLY}"; then
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# Install dependencies
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_logger "check if dependencies needed"
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# keep order of dependencies installation
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if [[ $(dpkg -l | grep -c cron) == 0 ]]; then
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apt-get -y update
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apt-get -y install cron
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fi
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if [[ $(dpkg -l | grep -c dhcpcd) == 0 ]]; then
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apt-get -y update
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apt-get -y install dhcpcd
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fi
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if [[ $(dpkg -l | grep -c hostapd) == 0 ]]; then
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apt-get -y update
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apt-get -y install hostapd
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fi
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if [[ $(dpkg -l | grep -c dnsmasq) == 0 ]]; then
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apt-get -y update
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apt-get -y install dnsmasq
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fi
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fi
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if test true != "${STA_ONLY}"; then
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# Populate `/etc/udev/rules.d/70-persistent-net.rules`
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_logger "Populate /etc/udev/rules.d/70-persistent-net.rules"
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bash -c 'cat > /etc/udev/rules.d/70-persistent-net.rules' <<EOF
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SUBSYSTEM=="ieee80211", ACTION=="add|change", ATTR{macaddress}=="${MAC_ADDRESS}", KERNEL=="phy0", \
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RUN+="/sbin/iw phy phy0 interface add ap0 type __ap", \
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RUN+="/bin/ip link set ap0 address ${MAC_ADDRESS}
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EOF
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fi
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if test true != "${STA_ONLY}"; then
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# Populate `/etc/dnsmasq.conf`
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_logger "Populate /etc/dnsmasq.conf"
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bash -c 'cat > /etc/dnsmasq.conf' <<EOF
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interface=lo,ap0
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no-dhcp-interface=lo,wlan0
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bind-interfaces
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server=8.8.8.8
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domain-needed
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bogus-priv
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dhcp-range=${AP_IP_BEGIN}.50,${AP_IP_BEGIN}.150,12h
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EOF
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fi
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if test true != "${STA_ONLY}"; then
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# Populate `/etc/hostapd/hostapd.conf`
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_logger "Populate /etc/hostapd/hostapd.conf"
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bash -c 'cat > /etc/hostapd/hostapd.conf' <<EOF
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ctrl_interface=/var/run/hostapd
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ctrl_interface_group=0
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interface=ap0
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driver=nl80211
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ssid=${AP_SSID}
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hw_mode=${WIFI_MODE}
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channel=11
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wmm_enabled=0
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macaddr_acl=0
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auth_algs=1
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wpa=2PASSPHRASE
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$([ $AP_PASSPHRASE ] && echo "wpa_passphrase=${AP_PASSPHRASE}")
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wpa_key_mgmt=WPA-PSK
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wpa_pairwise=TKIP CCMP
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rsn_pairwise=CCMP
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EOF
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fi
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if test true != "${STA_ONLY}"; then
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# Populate `/etc/default/hostapd`
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_logger "Populate /etc/default/hostapd"
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bash -c 'cat > /etc/default/hostapd' <<EOF
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DAEMON_CONF="/etc/hostapd/hostapd.conf"
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EOF
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fi
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if test true != "${AP_ONLY}"; then
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# Populate `/etc/wpa_supplicant/wpa_supplicant.conf`
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_logger "Populate /etc/wpa_supplicant/wpa_supplicant.conf"
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bash -c 'cat > /etc/wpa_supplicant/wpa_supplicant.conf' <<EOF
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ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
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update_config=1
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country=${COUNTRY_CODE}
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network={
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ssid="${CLIENT_SSID}"
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$([ $CLIENT_PASSPHRASE ] && echo "psk=\"${CLIENT_PASSPHRASE}\"")
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id_str="AP1"
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scan_ssid=1
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}
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EOF
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fi
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# Populate `/etc/network/interfaces`
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# TODO manage eth0 interface
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# if current device is model B+ with ethernet port
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# auto eth0
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# allow-hotplug eth0
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# iface eth0 inet manual
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#
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_logger "Populate /etc/network/interfaces"
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bash -c 'cat > /etc/network/interfaces' <<EOF
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source-directory /etc/network/interfaces.d
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auto lo
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auto ap0
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auto wlan0
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iface lo inet loopback
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allow-hotplug ap0
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iface ap0 inet static
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address ${AP_IP}
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netmask 255.255.255.0
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# network ${AP_IP_BEGIN}.0
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# broadcast ${AP_IP_BEGIN}.255
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# gateway ${AP_IP}
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hostapd /etc/hostapd/hostapd.conf
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allow-hotplug wlan0
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iface wlan0 inet manual
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wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
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iface AP1 inet dhcp
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EOF
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if test true != "${STA_ONLY}"; then
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# Populate `/bin/manage-ap0-iface.sh`
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_logger "Populate /bin/manage-ap0-iface.sh"
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bash -c 'cat > /bin/manage-ap0-iface.sh' <<EOF
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#!/bin/bash
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# check if hostapd service succes to start or not
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# in our case, it cannot start when /var/run/hostapd/ap0 exist
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# so we have to delete it
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echo 'Check if hostapd.service is hang cause ap0 exist...'
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hostapd_is_running=\$(service hostapd status | grep -c "Active: active (running)")
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if test 1 -ne "\${hostapd_is_running}"; then
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rm -rf /var/run/hostapd/ap0 | echo "ap0 interface does not exist, the faillure is elsewhere"
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fi
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EOF
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chmod +x /bin/manage-ap0-iface.sh
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fi
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if test true != "${STA_ONLY}"; then
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# Populate `/bin/rpi-wifi.sh`
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_logger "Populate /bin/rpi-wifi.sh"
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bash -c 'cat > /bin/rpi-wifi.sh' <<EOF
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#!/bin/bash
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echo 'Starting Wifi AP and STA client...'
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ifdown --force wlan0
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ifdown --force ap0
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ifup ap0
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ifup wlan0
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$([ "${NO_INTERNET-}" != "true" ] && echo "sysctl -w net.ipv4.ip_forward=1")
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$([ "${NO_INTERNET-}" != "true" ] && echo "iptables -t nat -A POSTROUTING -s ${AP_IP_BEGIN}.0/24 ! -d ${AP_IP_BEGIN}.0/24 -j MASQUERADE")
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$([ "${NO_INTERNET-}" != "true" ] && echo "systemctl restart dnsmasq")
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echo 'WPA Supplicant reconfigure in 5sec...'
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sleep 5
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wpa_cli -i wlan0 reconfigure
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EOF
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chmod +x /bin/rpi-wifi.sh
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fi
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if test true != "${STA_ONLY}"; then
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# unmask and enable dnsmasq.service / hostapd.service
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_logger "Unmask and enable dnsmasq.service / hostapd.service"
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systemctl unmask dnsmasq.service hostapd.service
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systemctl enable dnsmasq.service hostapd.service
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systemctl daemon-reload
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fi
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# create ap sta log folder
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mkdir -p /var/log/ap_sta_wifi
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touch /var/log/ap_sta_wifi/ap0_mgnt.log
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touch /var/log/ap_sta_wifi/on_boot.log
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# Finish
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if test true == "${STA_ONLY}"; then
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wpa_cli -i wlan0 reconfigure
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sleep 15
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ifconfig wlan0 down # better way for docker
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sleep 2
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ifconfig wlan0 up # better way for docker
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_logger "STA configuration is finished!"
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elif test true == "${AP_ONLY}"; then
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/bin/bash /bin/rpi-wifi.sh
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_logger "AP configuration is finished!"
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elif test true != "${STA_ONLY}" && test true != "${AP_ONLY}"; then
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_logger "AP + STA configurations are finished!"
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_logger "You need to reboot Raspbery Pi to apply changes.."
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fi
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if test true != "${STA_ONLY}"; then
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_logger "Wait during wlan0 reconnecting to internet..."
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sleep 15
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curl https://raw.githubusercontent.com/MkLHX/AP_STA_RPI_SAME_WIFI_CHIP/master/ap_sta_cron.sh | bash -s --
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fi
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Reference in New Issue
Block a user