143 lines
4.9 KiB
Bash
143 lines
4.9 KiB
Bash
#!/bin/sh -e
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# ╭───────────────╮
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# │ env functions │
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# ╰───────────────╯
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# ───────────────────────────────────< ANSI color codes >───────────────────────────────────
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RED='\033[0;31m'
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CYAN='\033[0;36m'
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YELLOW='\033[0;33m'
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LIGHT_GREEN='\033[0;92m'
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BOLD='\033[1m'
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NC='\033[0m' # No Color
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echo_error() {
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printf "${BOLD}${RED}ERROR: ${NC}${RED}%s${NC}\n" "$1" >&2
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}
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echo_info() {
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printf "${BOLD}${CYAN}INFO: ${NC}${CYAN}%s${NC}\n" "$1"
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}
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echo_warning() {
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printf "${BOLD}${YELLOW}WARNING: ${NC}${YELLOW}%s${NC}\n" "$1"
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}
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echo_note() {
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printf "${BOLD}${LIGHT_GREEN}NOTE: ${NC}${LIGHT_GREEN}%s${NC}\n" "$1"
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}
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# ────────────────< function to check if the given command exists silently >────────────────
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command_exists() {
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command -v "$@" >/dev/null 2>&1
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}
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# ─────────────< Check if the user is root and set sudo variable if necessary >─────────────
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check_root() {
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if [ "$(id -u)" -ne 0 ]; then
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if command_exists sudo; then
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echo_info "User is not root. Using sudo for privileged operations."
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_sudo="sudo"
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else
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echo_error "No sudo found and you're not root! Can't install packages."
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return 1
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fi
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else
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echo_info "Root access confirmed."
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_sudo=""
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fi
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}
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# ─< Distribution detection and installation >────────────────────────────────────────
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get_packager() {
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if [ -e /etc/os-release ]; then
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echo_info "Detecting distribution..."
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. /etc/os-release
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ID=$(printf "%s" "$ID" | tr '[:upper:]' '[:lower:]')
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ID_LIKE=$(printf "%s" "$ID_LIKE" | tr '[:upper:]' '[:lower:]')
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case "$ID" in
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ubuntu | pop) _install() { $_sudo apt-get install --assume-yes "$@"; } ;;
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debian) _install() { $_sudo apt-get install --assume-yes "$@"; } ;;
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fedora) _install() { $_sudo dnf install -y "$@"; } ;;
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alpine) _install() { $_sudo apk add "$@"; } ;;
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arch | manjaro | garuda | endeavour) _install() { $_sudo pacman -S --noconfirm "$@"; } ;;
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opensuse*) _install() { $_sudo zypper in -y "$@"; } ;;
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*)
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if echo "$ID_LIKE" | grep -q "debian"; then
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_install() { $_sudo apt-get install --assume-yes "$@"; }
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elif echo "$ID_LIKE" | grep -q "ubuntu"; then
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_install() { $_sudo apt-get install --assume-yes "$@"; }
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elif echo "$ID_LIKE" | grep -q "arch"; then
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_install() { $_sudo pacman -S --noconfirm "$@"; }
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elif echo "$ID_LIKE" | grep -q "fedora"; then
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_install() { $_sudo dnf install -y "$@"; }
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elif echo "$ID_LIKE" | grep -q "suse"; then
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_install() { $_sudo zypper in -y "$@"; }
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else
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echo_error "Unsupported distribution: $ID"
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return 1
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fi
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;;
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esac
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else
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echo_error "Unable to detect distribution. /etc/os-release not found."
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return 1
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fi
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}
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# ──────────────────────────< define your functions/script here >────────────────────────
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dependencies() {
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_deps="krb5-user realmd sssd-tools sssd libnss-sss libpam-sss adcli"
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for dependency in $_deps; do
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if ! command_exists "$dependency"; then
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echo_info "Installing $dependency.."
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sleep 0.3
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if ! _install "$dependency"; then
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echo_error "$dependency - could not be installed!"
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else
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echo_note "$dependency - was installed successfully!"
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fi
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else
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echo_note "$dependency is already installed."
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fi
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done
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}
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_join() {
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domain="swu.dom"
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echo_note "You are trying to connect to $domain.."
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sleep 1
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echo_note "Please enter an administrator user like this: [example-user]"
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printf "Admin User: " >&2
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read -r _admin </dev/tty
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if [ -n "$_admin" ]; then
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if realm join -v -U "$_admin@$domain" "$domain"; then
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echo_note "Successfully joined domain $domain."
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else
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echo_error "Failed to join domain $domain."
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return 1
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fi
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else
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echo_error "Administrator username cannot be empty."
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return 1
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fi
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}
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# ───────────────────────────────< define the main function >───────────────────────────────
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main() {
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if check_root; then
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get_packager &&
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dependencies &&
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_join
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else
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echo_error "Root privileges are required. Exiting."
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return 1
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fi
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}
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# ──────────────────────────────< execute the main function >────────────────────────────
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main
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