mirror of
https://github.com/rootzoll/raspiblitz.git
synced 2024-11-20 02:09:15 +01:00
141 lines
4.6 KiB
Bash
Executable File
141 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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# command info
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if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
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echo "# handle the wifi"
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echo "# internet.wifi.sh status"
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echo "# internet.wifi.sh on SSID PASSWORD"
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echo "# internet.wifi.sh off"
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echo "# internet.wifi.sh backup-restore"
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exit 1
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fi
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wifiIsSet=$(sudo cat /etc/wpa_supplicant/wpa_supplicant.conf 2>/dev/null| grep -c "network=")
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wifiLocalIP=$(ip addr | grep 'state UP' -A2 | grep -E -v 'docker0|veth' | grep -E -i '([wlan][0-9]$)' | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
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connected=0
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if [ ${#wifiLocalIP} -gt 0 ]; then
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connected=1
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fi
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if [ "$1" == "status" ]; then
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echo "activated=${wifiIsSet}"
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echo "connected=${connected}"
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echo "localip='${wifiLocalIP}'"
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exit 0
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elif [ "$1" == "on" ]; then
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ssid="$2"
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password="$3"
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if [ ${#ssid} -eq 0 ]; then
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echo "err='no ssid given'"
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exit 1
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fi
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if [ ${#password} -eq 0 ]; then
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echo "err='no password given'"
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exit 1
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fi
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wifiConfig="country=US
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ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
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update_config=1
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network={
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ssid=\"${ssid}\"
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scan_ssid=1
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psk=\"${password}\"
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key_mgmt=WPA-PSK
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}"
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echo "${wifiConfig}" > "/home/admin/wpa_supplicant.conf"
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sudo chown root:root /home/admin/wpa_supplicant.conf
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sudo mv /home/admin/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
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sudo chmod 755 /etc/wpa_supplicant/wpa_supplicant.conf
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# activate new wifi settings
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sudo wpa_cli -i wlan0 reconfigure 1>/dev/null
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echo "# OK - changes should be active now - maybe reboot needed"
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exit 0
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elif [ "$1" == "off" ]; then
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wifiConfig="country=US
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ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
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update_config=1"
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echo "${wifiConfig}" > "/home/admin/wpa_supplicant.conf"
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sudo chown root:root /home/admin/wpa_supplicant.conf
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sudo mv /home/admin/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
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sudo chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
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sudo rm /boot/wpa_supplicant.conf 2>/dev/null
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sudo rm /mnt/hdd/app-data/wpa_supplicant.conf 2>/dev/null
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# activate new wifi settings
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sudo wpa_cli -i wlan0 reconfigure 1>/dev/null
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echo "# OK - changes should be active now - maybe reboot needed"
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exit 0
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# https://github.com/rootzoll/raspiblitz/issues/560
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# when calling this it will backup wpa_supplicant.conf to HDD (if WIFI is active)
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# or when WIFI is inactive but a wpa_supplicant.conf exists restore this
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elif [ "$1" == "backup-restore" ]; then
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# print wifi state
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echo "wifiIsSet=${wifiIsSet}"
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# check if HDD backup location is available (for backup or restore)
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hddBackupLocationAvailable=0
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if [ -d /mnt/hdd/app-data ]; then
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hddBackupLocationAvailable=1
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fi
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echo "hddBackupLocationAvailable=${hddBackupLocationAvailable}"
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hddRestoreConfigAvailable=$(sudo ls /mnt/hdd/app-data/wpa_supplicant.conf 2>/dev/null | grep -c "wpa_supplicant.conf")
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echo "hddRestoreConfigAvailable=${hddRestoreConfigAvailable}"
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# check if mem copy of wifi config is available (for restore only)
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# this should be available if a backup on HDD exists and HDD is not mounted yet but was inspected by datadrive script
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memRestoreConfigAvailable=$(sudo ls /var/cache/raspiblitz/hdd-inspect/wpa_supplicant.conf 2>/dev/null | grep -c "wpa_supplicant.conf")
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echo "memRestoreConfigAvailable=${memRestoreConfigAvailable}"
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if [ ${wifiIsSet} -eq 1 ]; then
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# BACKUP latest wifi settings to HDD if available
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if [ ${hddBackupLocationAvailable} -eq 1 ]; then
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sudo cp /etc/wpa_supplicant/wpa_supplicant.conf /mnt/hdd/app-data/wpa_supplicant.conf
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echo "wifiRestore=0"
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echo "wifiBackup=1"
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else
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echo "wifiRestore=0"
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echo "wifiBackup=0"
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fi
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exit 0
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elif [ ${hddRestoreConfigAvailable} -eq 1 ]; then
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# RESTORE backuped wifi settings from HDD to RaspiBlitz
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sudo cp /mnt/hdd/app-data/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
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echo "# restoring old wifi settings from HDD ... wait 4 secounds to connect"
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sudo wpa_cli -i wlan0 reconfigure 1>/dev/null
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sleep 4
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echo "wifiRestore=1"
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echo "wifiBackup=0"
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exit 0
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elif [ ${memRestoreConfigAvailable} -eq 1 ]; then
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# RESTORE backuped wifi settings from MEMCOPY to RaspiBlitz
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sudo cp /var/cache/raspiblitz/hdd-inspect/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
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echo "# restoring old wifi settings from MEMCOPY ... wait 4 secounds to connect"
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sudo wpa_cli -i wlan0 reconfigure 1>/dev/null
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sleep 4
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echo "wifiRestore=1"
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echo "wifiBackup=0"
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exit 0
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else
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# noting to backup or restore
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echo "wifiRestore=0"
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echo "wifiBackup=0"
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exit 0
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fi
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else
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echo "err='parameter not known - run with -help'"
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fi
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