Initial commit
This commit is contained in:
matt
169
kasmweb/utils/launch.sh
Executable file
169
kasmweb/utils/launch.sh
Executable file
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#!/usr/bin/env bash
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# Copyright (C) 2018 The noVNC Authors
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# Licensed under MPL 2.0 or any later version (see LICENSE.txt)
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usage() {
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if [ "$*" ]; then
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echo "$*"
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echo
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fi
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echo "Usage: ${NAME} [--listen PORT] [--vnc VNC_HOST:PORT] [--cert CERT] [--ssl-only]"
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echo
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echo "Starts the WebSockets proxy and a mini-webserver and "
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echo "provides a cut-and-paste URL to go to."
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echo
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echo " --listen PORT Port for proxy/webserver to listen on"
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echo " Default: 6080"
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echo " --vnc VNC_HOST:PORT VNC server host:port proxy target"
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echo " Default: localhost:5900"
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echo " --cert CERT Path to combined cert/key file"
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echo " Default: self.pem"
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echo " --web WEB Path to web files (e.g. vnc.html)"
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echo " Default: ./"
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echo " --ssl-only Disable non-https connections."
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echo " "
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echo " --record FILE Record traffic to FILE.session.js"
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echo " "
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exit 2
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}
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NAME="$(basename $0)"
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REAL_NAME="$(readlink -f $0)"
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HERE="$(cd "$(dirname "$REAL_NAME")" && pwd)"
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PORT="6080"
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VNC_DEST="localhost:5900"
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CERT=""
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WEB=""
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proxy_pid=""
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SSLONLY=""
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RECORD_ARG=""
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die() {
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echo "$*"
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exit 1
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}
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cleanup() {
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trap - TERM QUIT INT EXIT
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trap "true" CHLD # Ignore cleanup messages
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echo
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if [ -n "${proxy_pid}" ]; then
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echo "Terminating WebSockets proxy (${proxy_pid})"
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kill ${proxy_pid}
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fi
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}
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# Process Arguments
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# Arguments that only apply to chrooter itself
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while [ "$*" ]; do
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param=$1; shift; OPTARG=$1
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case $param in
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--listen) PORT="${OPTARG}"; shift ;;
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--vnc) VNC_DEST="${OPTARG}"; shift ;;
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--cert) CERT="${OPTARG}"; shift ;;
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--web) WEB="${OPTARG}"; shift ;;
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--ssl-only) SSLONLY="--ssl-only" ;;
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--record) RECORD_ARG="--record ${OPTARG}"; shift ;;
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-h|--help) usage ;;
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-*) usage "Unknown chrooter option: ${param}" ;;
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*) break ;;
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esac
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done
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# Sanity checks
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if bash -c "exec 7<>/dev/tcp/localhost/${PORT}" &> /dev/null; then
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exec 7<&-
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exec 7>&-
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die "Port ${PORT} in use. Try --listen PORT"
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else
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exec 7<&-
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exec 7>&-
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fi
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trap "cleanup" TERM QUIT INT EXIT
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# Find vnc.html
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if [ -n "${WEB}" ]; then
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if [ ! -e "${WEB}/vnc.html" ]; then
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die "Could not find ${WEB}/vnc.html"
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fi
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elif [ -e "$(pwd)/vnc.html" ]; then
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WEB=$(pwd)
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elif [ -e "${HERE}/../vnc.html" ]; then
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WEB=${HERE}/../
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elif [ -e "${HERE}/vnc.html" ]; then
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WEB=${HERE}
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elif [ -e "${HERE}/../share/novnc/vnc.html" ]; then
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WEB=${HERE}/../share/novnc/
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else
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die "Could not find vnc.html"
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fi
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# Find self.pem
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if [ -n "${CERT}" ]; then
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if [ ! -e "${CERT}" ]; then
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die "Could not find ${CERT}"
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fi
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elif [ -e "$(pwd)/self.pem" ]; then
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CERT="$(pwd)/self.pem"
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elif [ -e "${HERE}/../self.pem" ]; then
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CERT="${HERE}/../self.pem"
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elif [ -e "${HERE}/self.pem" ]; then
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CERT="${HERE}/self.pem"
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else
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echo "Warning: could not find self.pem"
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fi
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# try to find websockify (prefer local, try global, then download local)
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if [[ -e ${HERE}/websockify ]]; then
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WEBSOCKIFY=${HERE}/websockify/run
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if [[ ! -x $WEBSOCKIFY ]]; then
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echo "The path ${HERE}/websockify exists, but $WEBSOCKIFY either does not exist or is not executable."
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echo "If you intended to use an installed websockify package, please remove ${HERE}/websockify."
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exit 1
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fi
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echo "Using local websockify at $WEBSOCKIFY"
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else
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WEBSOCKIFY=$(which websockify 2>/dev/null)
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if [[ $? -ne 0 ]]; then
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echo "No installed websockify, attempting to clone websockify..."
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WEBSOCKIFY=${HERE}/websockify/run
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git clone https://github.com/novnc/websockify ${HERE}/websockify
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if [[ ! -e $WEBSOCKIFY ]]; then
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echo "Unable to locate ${HERE}/websockify/run after downloading"
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exit 1
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fi
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echo "Using local websockify at $WEBSOCKIFY"
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else
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echo "Using installed websockify at $WEBSOCKIFY"
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fi
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fi
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echo "Starting webserver and WebSockets proxy on port ${PORT}"
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#${HERE}/websockify --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} &
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${WEBSOCKIFY} ${SSLONLY} --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} ${RECORD_ARG} &
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proxy_pid="$!"
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sleep 1
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if ! ps -p ${proxy_pid} >/dev/null; then
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proxy_pid=
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echo "Failed to start WebSockets proxy"
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exit 1
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fi
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echo -e "\n\nNavigate to this URL:\n"
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if [ "x$SSLONLY" == "x" ]; then
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echo -e " http://$(hostname):${PORT}/vnc.html?host=$(hostname)&port=${PORT}\n"
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else
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echo -e " https://$(hostname):${PORT}/vnc.html?host=$(hostname)&port=${PORT}\n"
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fi
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echo -e "Press Ctrl-C to exit\n\n"
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wait ${proxy_pid}
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