support posix and non-posix

files/scripts/run

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # Shell script to start the Pritunl Docker image.
 #
@@ -38,7 +38,7 @@ PRITUNL_CONF="${__PRITUNL_DATA__}/pritunl.conf"
 
 
 # Usage
-function show_usage() {
+show_usage() {
  echo "Usage: ${BASENAME} [options] (help|init|start)"
  echo " help:"
  echo " <none>"
@@ -69,14 +69,14 @@ done
 shift $((OPTIND-1))
 
 for command in "${@}"; do
- case "${command,,}" in
- help)
+ case "${command}" in
+ [Hh][Ee][Ll][Pp])
  ACTION_HELP=1
  ;;
- init)
+ [Ii][Nn][Ii][Tt])
  ACTION_INIT=1
  ;;
- start)
+ [Ss][Tt][Aa][Rr][Tt])
  ACTION_START=1
  ;;
  *)
@@ -87,100 +87,105 @@ done
 
 
 # Check arguments
-if [[ $# -eq 0 ]]; then
+if [ $# -eq 0 ]; then
  show_usage
  exit 3
 fi
-if ! ((ACTION_HELP+ACTION_INIT+ACTION_START)); then
+if [ "$((ACTION_HELP+ACTION_INIT+ACTION_START))" -eq 0 ]; then
  show_usage
  exit 0
 fi
 
 
 # Check permissions
-if [[ $EUID -ne 0 ]]; then
+if [ "$(id -u)" -ne 0 ]; then
  echo >&2 " [ERROR] This script requires privileged access to system files"
  exit 4
 fi
 
 
 # === HELP ===
-if [[ "${ACTION_HELP}" -gt 0 ]]; then
+if [ "${ACTION_HELP}" -gt 0 ]; then
  show_usage
  exit 0
 fi
 
 
 # === INIT ===
-if [[ "${ACTION_INIT}" -gt 0 ]]; then
+if [ "${ACTION_INIT}" -gt 0 ]; then
 
  # Check requirements
- if [[ "x${MONGODB_URI}" = "x" ]]; then
+ if [ "x${MONGODB_URI}" = "x" ]; then
  echo >&2 " [ERROR] The MongoDB URI (-m) option is mandatory."
  exit 5
  fi
 
+ # Create configuration dir
+ if ! [ -d "${__PRITUNL_DATA__}" ]; then
+ mkdir -p -m 0755 ${__PRITUNL_DATA__}
+ fi
+
  # Backup configuration files or copy if it does not exist yet
- if [[ -f ${PRITUNL_CONF} ]]; then
+ if [ -f "${PRITUNL_CONF}" ]; then
  cp "${PRITUNL_CONF}" "${PRITUNL_CONF}.${__TS__}.bck"
  else
  cp "/etc/pritunl.conf.orig" "${PRITUNL_CONF}"
  fi
 
  # set Pritunl MongoDB URI
- #if ! [[ "x${MONGODB_URI}" = "x" ]]; then
- if [[ "${MONGODB_URI}" =~ ^((mongodb):https://)?(([0-9a-zA-Z]+:[0-9a-zA-Z]+)@)?([0-9a-zA-Z\.\-]+)(:([0-9]+))?/([0-9a-zA-Z\.\-]+)(\?[=\&0-9a-zA-Z]+)?$ ]]; then
- MONGODB_URI_PROTO=${BASH_REMATCH[2]:-mongodb}
- MONGODB_URI_CREDENTIALS=${BASH_REMATCH[3]}
- MONGODB_URI_ADDRESS=${BASH_REMATCH[5]}
- MONGODB_URI_PORT=${BASH_REMATCH[7]:-27017}
- MONGODB_URI_DB=${BASH_REMATCH[8]}
- MONGODB_URI_OPTIONS=${BASH_REMATCH[9]}
- else
+ eval $(echo "$MONGODB_URI" | sed -n -r -e "s,^((mongodb):https://)?(([0-9a-zA-Z]+:[0-9a-zA-Z]+)@)?([0-9a-zA-Z\.\-]+)(:([0-9]+))?/([0-9a-zA-Z\.\-]+)(\?[=\&0-9a-zA-Z]+)?$,MONGODB_URI_PROTO='\2' MONGODB_URI_CREDENTIALS='\3' MONGODB_URI_ADDRESS='\5' MONGODB_URI_PORT='\7' MONGODB_URI_DB='\8' MONGODB_URI_OPTIONS='\9',p")
+ if [ "x${MONGODB_URI_ADDRESS}" = "x" ]; then
  echo >&2 " [ERROR] Invalid MongoDB URI."
  exit 6
+ else
+ MONGODB_URI="${MONGODB_URI_PROTO:-mongodb}:https://${MONGODB_URI_CREDENTIALS}${MONGODB_URI_ADDRESS}:${MONGODB_URI_PORT:-27017}/${MONGODB_URI_DB}${MONGODB_URI_OPTIONS}"
  fi
- /bin/pritunl set-mongodb "${MONGODB_URI_PROTO}:https://${MONGODB_URI_CREDENTIALS}${MONGODB_URI_ADDRESS}:${MONGODB_URI_PORT}/${MONGODB_URI_DB}${MONGODB_URI_OPTIONS}"
- #sed -i "/mongodb_uri/s|: .*$|: \"${MONGODB_URI_PROTO}:https://${MONGODB_URI_CREDENTIALS}${MONGODB_URI_ADDRESS}:${MONGODB_URI_PORT}/${MONGODB_URI_DB}${MONGODB_URI_OPTIONS}\"|" "${PRITUNL_CONF}"
- #fi
+ /bin/pritunl set-mongodb "${MONGODB_URI}"
 
  # Get setup-key
- echo -e "==================================\nSetupKey:\n `/bin/pritunl setup-key 2>/dev/null` \n=================================="
+ echo "=================================="
+ echo "SetupKey:"
+ /bin/pritunl setup-key 2>/dev/null
+ echo "=================================="
 
  # Get default credentials
- echo -e "==================================\n `/bin/pritunl default-password` \n=================================="
+ echo "=================================="
+ /bin/pritunl default-password
+ echo "=================================="
 
  # Clean up unneeded backups
- diff -q "${PRITUNL_CONF}" "${PRITUNL_CONF}.${__TS__}.bck" &> /dev/null && rm -f "${PRITUNL_CONF}.${__TS__}.bck" || true
+ if [ -f "${PRITUNL_CONF}.${__TS__}.bck" ]; then
+ diff -q "${PRITUNL_CONF}" "${PRITUNL_CONF}.${__TS__}.bck" 2>&1 > /dev/null && rm -f "${PRITUNL_CONF}.${__TS__}.bck" || true
+ fi
 
  # All done
  echo " [INFO] Configuration(s) successfully updated"
 fi
 
 
 # === START ===
-if [[ "${ACTION_START}" -gt 0 ]]; then
+if [ "${ACTION_START}" -gt 0 ]; then
 
  # Create temporary dir (if needed)
- if ! [[ -d /tmp ]]; then
+ if ! [ -d /tmp ]; then
  mkdir -p -m 1777 /tmp
  fi
 
  # Create run dir (if needed)
- if ! [[ -d /var/run ]]; then
+ if ! [ -d /var/run ]; then
  mkdir -p -m 0755 /var/run
  fi
 
  # Create required device(s)
- if ! [[ -d /dev/net ]]; then
+ if ! [ -d /dev/net ]; then
  mkdir -p -m 755 /dev/net
  fi
- if ! [[ -c /dev/net/tun ]]; then
+ if ! [ -c /dev/net/tun ]; then
  mknod /dev/net/tun c 10 200
  fi
 
  # Start the Pritunl server
- if [[ -f "${PRITUNL_CONF}" ]]; then
+ if [ -f "${PRITUNL_CONF}" ]; then
  /bin/pritunl start --conf ${PRITUNL_CONF}
  else
  echo >&2 " [ERROR] Pritunl configuration not found."