1 #!/bin/bash -p 2 3 # Copyright (c) 2009 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 # Called as root after Keystone ticket promotion to change the owner, group, 8 # and permissions on the application. The application bundle and its contents 9 # are set to owner root, group wheel, and to be writable only by root, but 10 # readable and executable (when appropriate) by everyone. 11 # 12 # Note that this script will be invoked with the real user ID set to the 13 # user's ID, but the effective user ID set to 0 (root). bash -p is used on 14 # the first line to prevent bash from setting the effective user ID to the 15 # real user ID (dropping root privileges). 16 # 17 # WARNING: This script is NOT currently run when the Keystone ticket is 18 # promoted during application installation directly from the disk image, 19 # because the installation process itself handles the same permission fix-ups 20 # that this script normally would. 21 22 set -e 23 24 # This script runs as root, so be paranoid about things like ${PATH}. 25 export PATH="/usr/bin:/usr/sbin:/bin:/sbin" 26 27 # Output the pid to stdout before doing anything else. See 28 # chrome/browser/ui/cocoa/authorization_util.h. 29 echo "${$}" 30 31 if [ ${#} -ne 1 ] ; then 32 echo "usage: ${0} APP" >& 2 33 exit 2 34 fi 35 36 APP="${1}" 37 38 # Make sure that APP is an absolute path and that it exists. 39 if [ -z "${APP}" ] || [ "${APP:0:1}" != "/" ] || [ ! -d "${APP}" ] ; then 40 echo "${0}: must provide an absolute path naming an extant directory" >& 2 41 exit 3 42 fi 43 44 OWNER_GROUP="root:wheel" 45 chown -Rh "${OWNER_GROUP}" "${APP}" >& /dev/null 46 47 CHMOD_MODE="a+rX,u+w,go-w" 48 chmod -R "${CHMOD_MODE}" "${APP}" >& /dev/null 49 50 # On the Mac, or at least on HFS+, symbolic link permissions are significant, 51 # but chmod -R and -h can't be used together. Do another pass to fix the 52 # permissions on any symbolic links. 53 find "${APP}" -type l -exec chmod -h "${CHMOD_MODE}" {} + >& /dev/null 54 55 exit 0 56
