488 lines
16 KiB
Bash
488 lines
16 KiB
Bash
#!/bin/bash
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CURRENT_USER="${SUDO_USER}"
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SCRIPT_PATH="$( cd "$(dirname "$0")" ; pwd -P )"
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HOST="$( hostname )"
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IFACES="$( ifconfig -a | grep -Eo '[a-z0-9]{4,14}\: ' | grep -oE [a-z0-9]+ )"
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IFACE_OUT=""
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IFACE_IN=""
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LOCALES=(en fr cat es ru pt de it)
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welcome_screen() {
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cat << "EOF"
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_____ _ ___ _ _
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/__ (_)_ __ _ _ / __\ |__ ___ ___| | __
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/ /\/ | '_ \| | | |/ / | '_ \ / _ \/ __| |/ /
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/ / | | | | | |_| / /___| | | | __/ (__| <
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\/ |_|_| |_|\__, \____/|_| |_|\___|\___|_|\_\
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|___/
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-----
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EOF
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}
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check_operating_system() {
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# Check that this installer is running on a
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# Debian-like operating system (for dependencies)
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echo -e "\e[39m[+] Checking operating system\e[39m"
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error="\e[91m [✘] Need to be run on a Debian-like operating system, exiting.\e[39m"
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if [[ -f "/etc/os-release" ]]; then
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if [[ $(cat /etc/os-release | grep "ID_LIKE=debian") ]]; then
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echo -e "\e[92m [✔] Debian-like operating system\e[39m"
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else
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echo -e "$error"
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exit 1
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fi
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else
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echo -e "$error"
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exit 1
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fi
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}
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set_userlang() {
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# Set the user language.
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echo -e "\e[39m[+] Setting the user language...\e[39m"
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printf -v joined '%s/' "${LOCALES[@]}"
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echo -n " Please choose a language for the reports and the user interface (${joined%/}): "
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read lang
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if [[ " ${LOCALES[@]} " =~ " ${lang} " ]]; then
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sed -i "s/userlang/${lang}/g" /usr/share/tinycheck/config.yaml
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echo -e "\e[92m [✔] User language settled!\e[39m"
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else
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echo -e "\e[91m [✘] You must choose between the languages proposed, let's retry.\e[39m"
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set_userlang
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fi
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}
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set_credentials() {
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# Set the credentials to access to the backend.
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echo -e "\e[39m[+] Setting the backend credentials...\e[39m"
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echo -n " Please choose a username for TinyCheck's backend: "
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read login
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echo -n " Please choose a password for TinyCheck's backend: "
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read -s password1
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echo ""
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echo -n " Please confirm the password: "
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read -s password2
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echo ""
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if [ $password1 = $password2 ]; then
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password=$(echo -n "$password1" | sha256sum | cut -d" " -f1)
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sed -i "s/userlogin/$login/g" /usr/share/tinycheck/config.yaml
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sed -i "s/userpassword/$password/g" /usr/share/tinycheck/config.yaml
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echo -e "\e[92m [✔] Credentials saved successfully!\e[39m"
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else
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echo -e "\e[91m [✘] The passwords aren't equal, please retry.\e[39m"
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set_credentials
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fi
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}
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set_kioskmode() {
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echo -n "[?] Do you want to start TinyCheck in fullscreen during the system startup (aka. Kiosk mode)? [Yes/No] "
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read answer
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if [[ "$answer" =~ ^([yY][eE][sS]|[yY])$ ]]
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then
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sed -i "s/kioskmode/true/g" /usr/share/tinycheck/config.yaml
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sed -i "s/hidemouse/true/g" /usr/share/tinycheck/config.yaml
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sed -i "s/quitoption/true/g" /usr/share/tinycheck/config.yaml
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echo -e "\e[92m [✔] TinyCheck settled in kiosk mode\e[39m"
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else
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sed -i "s/kioskmode/false/g" /usr/share/tinycheck/config.yaml
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sed -i "s/hidemouse/false/g" /usr/share/tinycheck/config.yaml
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sed -i "s/quitoption/false/g" /usr/share/tinycheck/config.yaml
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echo -e "\e[92m [✔] TinyCheck settled in default mode, use the desktop icon to launch it.\e[39m"
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fi
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}
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set_update() {
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echo -n "[?] Do you want to be able to update TinyCheck from the frontend interface? [Yes/No] "
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read answer
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if [[ "$answer" =~ ^([yY][eE][sS]|[yY])$ ]]
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then
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sed -i "s/updateoption/true/g" /usr/share/tinycheck/config.yaml
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echo -e "\e[92m [✔] You'll be able to update it from the frontend!\e[39m"
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else
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sed -i "s/updateoption/false/g" /usr/share/tinycheck/config.yaml
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echo -e "\e[92m [✔] You'll need to pass by the console script to update TinyCheck.\e[39m"
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fi
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}
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create_directory() {
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# Create the TinyCheck directory and move the whole stuff there.
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echo -e "[+] Creating TinyCheck folder under /usr/share/"
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mkdir /usr/share/tinycheck
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cp -Rf ./* /usr/share/tinycheck
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}
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get_version() {
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git tag | tail -n 1 | xargs echo -n > /usr/share/tinycheck/VERSION
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}
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generate_certificate() {
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# Generating SSL certificate for the backend.
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echo -e "[+] Generating SSL certificate for the backend"
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openssl req -x509 -subj '/CN=tinycheck.local/O=TinyCheck Backend' -newkey rsa:4096 -nodes -keyout /usr/share/tinycheck/server/backend/key.pem -out /usr/share/tinycheck/server/backend/cert.pem -days 3650
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}
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create_services() {
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# Create services to launch the two servers.
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echo -e "\e[39m[+] Creating services\e[39m"
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echo -e "\e[92m [✔] Creating frontend service\e[39m"
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cat >/lib/systemd/system/tinycheck-frontend.service <<EOL
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[Unit]
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Description=TinyCheck frontend service
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[Service]
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Type=simple
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ExecStart=/usr/bin/python3 /usr/share/tinycheck/server/frontend/main.py
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Restart=on-abort
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KillMode=process
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[Install]
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WantedBy=multi-user.target
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EOL
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echo -e "\e[92m [✔] Creating backend service\e[39m"
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cat >/lib/systemd/system/tinycheck-backend.service <<EOL
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[Unit]
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Description=TinyCheck backend service
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[Service]
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Type=simple
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ExecStart=/usr/bin/python3 /usr/share/tinycheck/server/backend/main.py
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Restart=on-abort
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KillMode=process
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[Install]
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WantedBy=multi-user.target
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EOL
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echo -e "\e[92m [✔] Creating kiosk service\e[39m"
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cat >/lib/systemd/system/tinycheck-kiosk.service <<EOL
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[Unit]
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Description=TinyCheck Kiosk
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Wants=graphical.target
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After=graphical.target
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[Service]
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Environment=DISPLAY=:0.0
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Environment=XAUTHORITY=/home/${CURRENT_USER}/.Xauthority
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Type=forking
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ExecStart=/bin/bash /usr/share/tinycheck/kiosk.sh
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Restart=on-abort
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User=${CURRENT_USER}
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Group=${CURRENT_USER}
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[Install]
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WantedBy=graphical.target
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EOL
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echo -e "\e[92m [✔] Creating watchers service\e[39m"
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cat >/lib/systemd/system/tinycheck-watchers.service <<EOL
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[Unit]
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Description=TinyCheck watchers service
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Wants=network-online.target
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After=network-online.target
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[Service]
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Type=simple
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ExecStart=/usr/bin/python3 /usr/share/tinycheck/server/backend/watchers.py
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Restart=on-abort
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KillMode=process
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[Install]
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WantedBy=multi-user.target
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EOL
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echo -e "\e[92m [✔] Enabling services\e[39m"
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systemctl enable tinycheck-frontend &> /dev/null
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systemctl enable tinycheck-backend &> /dev/null
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systemctl enable tinycheck-kiosk &> /dev/null
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systemctl enable tinycheck-watchers &> /dev/null
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}
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configure_dnsmask() {
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# Configure DNSMASQ by appending few lines to its configuration.
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# It creates a small DHCP server for one device.
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echo -e "\e[39m[+] Configuring dnsmasq\e[39m"
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echo -e "\e[92m [✔] Changing dnsmasq configuration\e[39m"
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if [[ -f "/etc/dnsmasq.conf" ]]; then
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cat >>/etc/dnsmasq.conf <<EOL
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## TinyCheck configuration ##
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interface=${IFACE_IN}
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dhcp-range=192.168.100.2,192.168.100.3,255.255.255.0,24h
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EOL
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else
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echo -e "\e[91m [✘] /etc/dnsmasq.conf doesn't exist, configuration not updated.\e[39m"
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fi
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}
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configure_dhcpcd() {
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# Configure DHCPCD by appending few lines to his configuration.
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# Allows to prevent the interface to stick to wpa_supplicant config.
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echo -e "\e[39m[+] Configuring dhcpcd\e[39m"
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echo -e "\e[92m [✔] Changing dhcpcd configuration\e[39m"
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if [[ -f "/etc/dhcpcd.conf" ]]; then
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cat >>/etc/dhcpcd.conf <<EOL
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## TinyCheck configuration ##
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interface ${IFACE_IN}
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static ip_address=192.168.100.1/24
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nohook wpa_supplicant
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EOL
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else
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echo -e "\e[91m [✘] /etc/dhcpcd.conf doesn't exist, configuration not updated.\e[39m"
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fi
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}
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update_config(){
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# Update the configuration
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sed -i "s/iface_out/${IFACE_OUT}/g" /usr/share/tinycheck/config.yaml
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sed -i "s/iface_in/${IFACE_IN}/g" /usr/share/tinycheck/config.yaml
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}
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change_hostname() {
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# Changing the hostname to tinycheck
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echo -e "[+] Changing the hostname to tinycheck"
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echo "tinycheck" > /etc/hostname
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sed -i "s/$HOST/tinycheck/g" /etc/hosts
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# Adding tinycheck.local to the /etc/hosts.
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echo "127.0.0.1 tinycheck.local" >> /etc/hosts
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}
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install_package() {
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# Install associated packages by using aptitude.
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if [[ $1 == "dnsmasq" || $1 == "hostapd" || $1 == "tshark" || $1 == "sqlite3" || $1 == "suricata" || $1 == "unclutter" ]]; then
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apt-get install $1 -y
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elif [[ $1 == "zeek" ]]; then
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distrib=$(cat /etc/os-release | grep -E "^ID=" | cut -d"=" -f2)
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version=$(cat /etc/os-release | grep "VERSION_ID" | cut -d"\"" -f2)
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if [[ $distrib == "debian" || $distrib == "ubuntu" ]]; then
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echo "deb http://download.opensuse.org/repositories/security:/zeek/Debian_$version/ /" > /etc/apt/sources.list.d/security:zeek.list
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wget -nv "https://download.opensuse.org/repositories/security:zeek/Debian_$version/Release.key" -O Release.key
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elif [[ $distrib == "ubuntu" ]]; then
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echo "deb http://download.opensuse.org/repositories/security:/zeek/xUbuntu_$version/ /" > /etc/apt/sources.list.d/security:zeek.list
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wget -nv "https://download.opensuse.org/repositories/security:zeek/xUbuntu_$version/Release.key" -O Release.key
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elif [[ $distrib == "raspbian" ]]; then
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echo "deb http://download.opensuse.org/repositories/security:/zeek/Raspbian_$version/ /" > /etc/apt/sources.list.d/security:zeek.list
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wget -nv "https://download.opensuse.org/repositories/security:zeek/Raspbian_$version/Release.key" -O Release.key
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fi
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apt-key add - < Release.key
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rm Release.key && sudo apt-get update
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apt-get install zeek -y
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elif [[ $1 == "node" ]]; then
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curl -sL https://deb.nodesource.com/setup_14.x | bash
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apt-get install -y nodejs
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elif [[ $1 == "dig" ]]; then
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apt-get install -y dnsutils
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elif [[ $1 == "pip" ]]; then
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apt-get install -y python3-pip
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fi
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}
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check_dependencies() {
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# Check binary dependencies associated to the project.
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# If not installed, call install_package with the package name.
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bins=("/usr/sbin/hostapd"
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"/usr/sbin/dnsmasq"
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"/opt/zeek/bin/zeek"
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"/usr/bin/tshark"
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"/usr/bin/dig"
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"/usr/bin/suricata"
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"/usr/bin/unclutter"
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"/usr/bin/sqlite3"
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"/usr/bin/pip")
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echo -e "\e[39m[+] Checking dependencies...\e[39m"
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for bin in "${bins[@]}"
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do
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if [[ -f "$bin" ]]; then
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echo -e "\e[92m [✔] ${bin##*/} installed\e[39m"
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else
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echo -e "\e[93m [✘] ${bin##*/} not installed, lets install it\e[39m"
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install_package ${bin##*/}
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fi
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done
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install_package node
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echo -e "\e[39m[+] Install Python packages...\e[39m"
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python3 -m pip install -r "$SCRIPT_PATH/assets/requirements.txt"
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}
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compile_vuejs() {
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# Installing packages, updating packages and compiling the VueJS interfaces
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echo -e "\e[39m[+] Compiling VueJS projects"
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cd /usr/share/tinycheck/app/backend/ && npm install && npm audit fix && npm run build
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cd /usr/share/tinycheck/app/frontend/ && npm install && npm audit fix && npm run build
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}
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create_desktop() {
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# Create desktop icon to lauch TinyCheck in a browser
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if [[ -d "/home/$CURRENT_USER/Desktop/" ]]; then
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echo -e "\e[39m[+] Create Desktop icon under /home/${CURRENT_USER}/Desktop\e[39m"
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cat >"/home/$CURRENT_USER/Desktop/tinycheck.desktop" <<EOL
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#!/usr/bin/env xdg-open
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[Desktop Entry]
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Version=1.0
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Type=Application
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Terminal=false
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Exec=chromium-browser http://localhost
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Name=TinyCheck
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Comment=Launcher for the TinyCheck frontend
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Icon=/usr/share/tinycheck/app/frontend/src/assets/icon.png
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EOL
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fi
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}
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cleaning() {
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# Removing some files and useless directories
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rm /usr/share/tinycheck/install.sh
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rm /usr/share/tinycheck/README.md
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rm /usr/share/tinycheck/LICENSE.txt
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rm /usr/share/tinycheck/NOTICE.txt
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rm -rf /usr/share/tinycheck/assets/
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# Disabling the suricata service
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systemctl disable suricata.service &> /dev/null
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# Removing some useless dependencies.
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sudo apt autoremove -y &> /dev/null
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}
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check_interfaces(){
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# Get the current connected interface name.
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ciface="$(route | grep default | head -1 | grep -Eo '[a-z0-9]+$')"
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# Setup of iface_out which can be any interface,
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# but needs to be connected now or in the future.
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echo -n "[?] The interface $ciface is connected. Do you want to use it as a bridge to Internet (network/out) ? [Yes/No] "
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read answer
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if [[ "$answer" =~ ^([yY][eE][sS]|[yY])$ ]]
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then
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IFACES=( "${IFACES[@]/$ciface}" )
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IFACE_OUT=$ciface
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echo -e "\e[92m [✔] $ciface settled as a bridge to the Internet\e[39m"
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else
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IFACES=( "${IFACES[@]/$ciface}" )
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for iface in $IFACES;
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do
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config="$(ifconfig $iface)"
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echo -n "[?] Do you want to use $iface as a bridge to Internet (network/out) ? [Y/n] "
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read answer
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if [[ "$answer" =~ ^([yY][eE][sS]|[yY])$ ]]
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then
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IFACE_OUT=$iface
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IFACES=( "${IFACES[@]/$iface}" )
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echo -e "\e[92m [✔] $iface settled as a bridge to the Internet\e[39m"
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break
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fi
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done
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fi
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# Setup of iface_in which can be a only a
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# Wi-Fi interface with AP mode available.
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for iface in $IFACES;
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do
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if echo "$iface" | grep -Eq "(wlan[0-9]|wl[a-z0-9]{20})"; then
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config="$(ifconfig $iface)" # Get the iface logic configuration
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if echo "$config" | grep -qv "inet "; then # Test if not currently connected
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hw="$(iw $iface info | grep wiphy | cut -d" " -f2)" # Get the iface hardware id.
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info="$(iw phy$hw info)" # Get the iface hardware infos.
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if echo "$info" | grep -qE "* AP$"; then # Know if the iface has the AP mode available.
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echo -n "[?] The interface $iface can be used for the Wi-Fi Access Point. Do you want to use it for the TinyCheck Access Point ? [Yes/No] "
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read answer
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if [[ "$answer" =~ ^([yY][eE][sS]|[yY])$ ]]
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then
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IFACE_IN="$iface"
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echo -e "\e[92m [✔] $iface settled as an Access Point\e[39m"
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break
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fi
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fi
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fi
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fi
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done
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if [ "${IFACE_IN}" != "" ] && [ "${IFACE_OUT}" != "" ]; then
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echo -e "\e[92m [✔] Network configuration settled!\e[39m"
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else
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echo -e "\e[91m [✘] You must select two interfaces, exiting.\e[39m"
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exit 1
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fi
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}
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create_database() {
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# Create the database under /usr/share/tinycheck/tinycheck.sqlite
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# This base will be provisioned in IOCs by the watchers
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sqlite3 "/usr/share/tinycheck/tinycheck.sqlite3" < "$SCRIPT_PATH/assets/scheme.sql"
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}
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change_configs() {
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# Disable the autorun dialog from pcmanfm
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if [[ -f "/home/$CURRENT_USER/.config/pcmanfm/LXDE-pi/pcmanfm.conf" ]]; then
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sed -i 's/autorun=1/autorun=0/g' "/home/$CURRENT_USER/.config/pcmanfm/LXDE-pi/pcmanfm.conf"
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fi
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# Disable the .desktop script popup
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if [[ -f "/home/$CURRENT_USER/.config/libfm/libfm.conf" ]]; then
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sed -i 's/quick_exec=0/quick_exec=1/g' "/home/$CURRENT_USER/.config/libfm/libfm.conf"
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fi
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}
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feeding_iocs() {
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echo -e "\e[39m[+] Feeding your TinyCheck instance with fresh IOCs and whitelist, please wait."
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python3 /usr/share/tinycheck/server/backend/watchers.py
|
|
}
|
|
|
|
reboot_box() {
|
|
echo -e "\e[92m[+] The system is going to reboot\e[39m"
|
|
sleep 5
|
|
reboot
|
|
}
|
|
|
|
if [[ $EUID -ne 0 ]]; then
|
|
echo "This must be run as root. Type in 'sudo bash $0' to run."
|
|
exit 1
|
|
elif [[ -f /usr/share/tinycheck/config.yaml ]]; then
|
|
echo "You have a TinyCheck instance already installed on this box."
|
|
echo " - If you want to update the instance, please execute:"
|
|
echo " sudo bash /usr/share/tinycheck/update.sh"
|
|
echo " - If you want to uninstall the instance, please execute:"
|
|
echo " sudo bash /usr/share/tinycheck/uninstall.sh"
|
|
exit 1
|
|
else
|
|
welcome_screen
|
|
check_operating_system
|
|
check_interfaces
|
|
create_directory
|
|
get_version
|
|
set_userlang
|
|
set_credentials
|
|
set_kioskmode
|
|
set_update
|
|
check_dependencies
|
|
configure_dnsmask
|
|
configure_dhcpcd
|
|
update_config
|
|
change_hostname
|
|
generate_certificate
|
|
compile_vuejs
|
|
create_database
|
|
create_services
|
|
create_desktop
|
|
change_configs
|
|
feeding_iocs
|
|
cleaning
|
|
reboot_box
|
|
fi
|