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| 1 #!/bin/bash -p |
| 2 |
| 3 # Copyright (c) 2012 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 ${PATH}. |
| 25 export PATH="/usr/bin:/usr/sbin:/bin:/sbin" |
| 26 |
| 27 # Output the pid to stdout before doing anything else. See |
| 28 # base/mac/authorization_util.h. |
| 29 echo "${$}" |
| 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 |
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