Initial commit.
This commit is contained in:
Storm Dragon
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#!/usr/bin/env bash
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mumbleConfigFile="/etc/mumble/mumble-server.ini"
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mumbleWelcomeFile="/etc/mumble/welcomefile.html"
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mumbleDefaultPort="64738"
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mumble_installed() {
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pacman -Q mumble-server &> /dev/null
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}
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ufw_installed() {
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pacman -Q ufw &> /dev/null
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}
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valid_port() {
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local portValue="$1"
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[[ "$portValue" =~ ^[0-9]+$ ]] && (( portValue >= 1 && portValue <= 65535 ))
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}
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install_mumble_server() {
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if mumble_installed; then
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return 0
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fi
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if ! install_package mumble-server; then
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msgbox "Failed to install mumble-server."
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return 1
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fi
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return 0
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}
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set_mumble_config_value() {
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local keyName="$1"
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local keyValue="$2"
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local tempFile=""
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tempFile="$(mktemp)"
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# `sudoFlags` is initialized by the main launcher before sourcing this file.
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# shellcheck disable=SC2024,SC2154
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if ! sudo "${sudoFlags[@]}" awk -v keyName="$keyName" -v keyValue="$keyValue" '
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BEGIN {
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updated = 0
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}
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$0 ~ "^[;#]?[[:space:]]*" keyName "[[:space:]]*=" {
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print keyName "=" keyValue
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updated = 1
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next
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}
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{
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print
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}
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END {
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if (!updated) {
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print keyName "=" keyValue
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}
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}
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' "$mumbleConfigFile" > "$tempFile"; then
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rm -f "$tempFile"
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msgbox "Failed to update ${keyName} in ${mumbleConfigFile}."
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return 1
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fi
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if ! sudo "${sudoFlags[@]}" install -m 640 "$tempFile" "$mumbleConfigFile"; then
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rm -f "$tempFile"
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msgbox "Failed to save ${mumbleConfigFile}."
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return 1
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fi
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rm -f "$tempFile"
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return 0
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}
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clear_mumble_config_value() {
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local keyName="$1"
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set_mumble_config_value "$keyName" ""
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}
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read_mumble_port() {
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local configuredPort=""
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# `sudoFlags` is initialized by the main launcher before sourcing this file.
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# shellcheck disable=SC2154
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if sudo "${sudoFlags[@]}" test -r "$mumbleConfigFile"; then
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configuredPort="$(sudo "${sudoFlags[@]}" awk -F '=' '
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BEGIN { IGNORECASE = 1 }
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/^[[:space:]]*port[[:space:]]*=/ {
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value = $2
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sub(/[[:space:]]*#.*$/, "", value)
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gsub(/^[[:space:]]+|[[:space:]]+$/, "", value)
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port = value
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}
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END {
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if (port != "") {
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print port
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}
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}
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' "$mumbleConfigFile")"
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fi
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if valid_port "$configuredPort"; then
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printf '%s\n' "$configuredPort"
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else
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printf '%s\n' "$mumbleDefaultPort"
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fi
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}
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capture_welcome_message() {
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local tempFile=""
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local messageSize=0
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if [[ "$(yesno "Would you like to create a welcome message now?")" != "Yes" ]]; then
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return 1
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fi
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tempFile="$(mktemp)"
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clear
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cat <<'EOF'
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Enter the Mumble welcome message below.
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HTML is supported.
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Press Ctrl+D on a new line when you are finished.
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Leave it blank and press Ctrl+D to skip it.
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EOF
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cat > "$tempFile"
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messageSize="$(wc -c < "$tempFile")"
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if [[ "$messageSize" -eq 0 ]]; then
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rm -f "$tempFile"
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return 1
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fi
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printf '%s\n' "$tempFile"
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return 0
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}
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install_welcome_message() {
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local messageFile="$1"
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# `sudoFlags` is initialized by the main launcher before sourcing this file.
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# shellcheck disable=SC2154
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if ! sudo "${sudoFlags[@]}" install -m 644 "$messageFile" "$mumbleWelcomeFile"; then
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msgbox "Failed to write ${mumbleWelcomeFile}."
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return 1
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fi
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set_mumble_config_value "welcometextfile" "$mumbleWelcomeFile"
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}
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set_mumble_superuser_password() {
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local superuserPassword="$1"
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if [[ -z "$superuserPassword" ]]; then
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msgbox "The SuperUser password cannot be blank."
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return 1
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fi
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# `sudoFlags` is initialized by the main launcher before sourcing this file.
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# shellcheck disable=SC2154
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if ! printf '%s\n' "$superuserPassword" | sudo "${sudoFlags[@]}" mumble-server -ini "$mumbleConfigFile" -readsupw; then
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msgbox "Failed to set the Mumble SuperUser password."
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return 1
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fi
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return 0
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}
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enable_mumble_service() {
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# `sudoFlags` is initialized by the main launcher before sourcing this file.
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# shellcheck disable=SC2154
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if ! sudo "${sudoFlags[@]}" systemctl enable --now mumble-server; then
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msgbox "Mumble was configured, but the service failed to enable or start."
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return 1
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fi
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return 0
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}
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configure_mumble_firewall() {
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local mumblePort=""
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if ! ufw_installed; then
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return 0
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fi
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if [[ "$(yesno "ufw is installed. Open the default Mumble port now?")" != "Yes" ]]; then
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return 0
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fi
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mumblePort="$(read_mumble_port)"
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# `sudoFlags` is initialized by the main launcher before sourcing this file.
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# shellcheck disable=SC2154
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if ! sudo "${sudoFlags[@]}" ufw allow "${mumblePort}/tcp"; then
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msgbox "Failed to allow ${mumblePort}/tcp for Mumble."
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return 1
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fi
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# shellcheck disable=SC2154
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if ! sudo "${sudoFlags[@]}" ufw allow "${mumblePort}/udp"; then
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msgbox "Failed to allow ${mumblePort}/udp for Mumble."
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return 1
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fi
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msgbox "The default Mumble firewall rules were added."
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return 0
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}
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install_mumble_server || return 1
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superuserPassword="$(passwordbox "Enter the Mumble SuperUser password.")" || return 1
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serverPassword="$(passwordbox "Enter a server password, or leave blank for no server password.")" || return 1
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allowRecordingChoice="$(yesno "Allow users to record audio on this server?")"
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welcomeMessageFile=""
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welcomeMessageFile="$(capture_welcome_message || true)"
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reset
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set_mumble_superuser_password "$superuserPassword" || return 1
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if [[ -n "$serverPassword" ]]; then
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set_mumble_config_value "serverpassword" "$serverPassword" || return 1
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else
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clear_mumble_config_value "serverpassword" || return 1
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fi
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if [[ "$allowRecordingChoice" == "Yes" ]]; then
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set_mumble_config_value "allowRecording" "true" || return 1
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else
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set_mumble_config_value "allowRecording" "false" || return 1
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fi
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if [[ -n "$welcomeMessageFile" ]]; then
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install_welcome_message "$welcomeMessageFile" || {
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rm -f "$welcomeMessageFile"
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return 1
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}
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rm -f "$welcomeMessageFile"
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else
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clear_mumble_config_value "welcometextfile" || return 1
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fi
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enable_mumble_service || return 1
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configure_mumble_firewall || return 1
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msgbox "Basic Mumble configuration is complete. To fine tune your setup, edit ${mumbleConfigFile} as root."
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