96 lines
1.6 KiB
Bash
Executable file
96 lines
1.6 KiB
Bash
Executable file
#!/bin/bash
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# shellcheck disable=SC2317
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# cd to the local VNC directory, exit if it fails
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cd "${HOME}/.vnc" || exit 5
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# Variables
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file_base="./$(hostname):1."
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verbs="start status stop restart help"
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echobf() {
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printf '\033[1m%s\033[0m\n' "$*"
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}
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print_error() {
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>&2 (
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printf '\033[1;31m%s\033[0m ' "ERROR:"
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echobf "$*"
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)
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}
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error() {
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print_error "$1"
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shift
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exit "$1"
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}
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is_running() {
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vncserver -list | grep -q '^:1'
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}
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public_help() {
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local name
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name="$(basename "$0")"
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cat << EOF
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${name} - Start a VNC server
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Usage:
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${name} $(echo "$verbs" | sed 's/ /|/g')
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EOF
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}
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error_help() {
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print_error "Invalid usage"
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public_help
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return 1
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}
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public_start() {
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if ! is_running; then
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set -e
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vncserver \
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-xstartup ./xstartup \
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-localhost \
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-alwaysshared \
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-securitytypes none
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else
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error "The VNC server is already running!" 4
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fi
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}
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public_status() {
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local log_f="${file_base}log"
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if is_running; then
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echobf "The VNC server is running."
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tail "$log_f" | sed 's/^/\t/g'
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else
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echobf "The VNC server is not running."
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fi
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}
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public_stop() {
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if is_running; then
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vncserver -kill :1
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else
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error "The VNC server is not running!" 3
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fi
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}
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public_restart() {
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stop
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start
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}
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# Argument parsing
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set -e; trap 'set +e; error "$error" "$?"' EXIT
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error="You must give an argument"; [ -n "$1" ]; arg="$1"; shift; unset error
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set +e; trap - EXIT
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# Main case statement
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if echo "$verbs" | grep -q "$arg"; then
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"public_${arg}"
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else
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error_usage
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fi
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