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#!/bin/bash -p
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Using codesign, sign the application. After signing, the signatures on the
# inner bundle components are verified, and the application's own signature is
# verified. Inner bundle components are expected to be signed before this
# script is called. See sign_versioned_dir.sh.
set -eu
# Environment sanitization. Set a known-safe PATH. Clear environment variables
# that might impact the interpreter's operation. The |bash -p| invocation
# on the #! line takes the bite out of BASH_ENV, ENV, and SHELLOPTS (among
# other features), but clearing them here ensures that they won't impact any
# shell scripts used as utility programs. SHELLOPTS is read-only and can't be
# unset, only unexported.
export PATH="/usr/bin:/bin:/usr/sbin:/sbin"
unset BASH_ENV CDPATH ENV GLOBIGNORE IFS POSIXLY_CORRECT
export -n SHELLOPTS
ME="$(basename "${0}")"
readonly ME
if [[ ${#} -ne 3 ]]; then
echo "usage: ${ME} app_path codesign_keychain codesign_id" >& 2
exit 1
fi
app_path="${1}"
codesign_keychain="${2}"
codesign_id="${3}"
# Use custom resource rules for the browser application.
script_dir="$(dirname "${0}")"
browser_app_rules="${script_dir}/app_resource_rules.plist"
versioned_dir="${app_path}/Contents/Versions/@VERSION@"
browser_app="${app_path}"
framework="${versioned_dir}/@MAC_PRODUCT_NAME@ Framework.framework"
crashpad_handler="${framework}/Helpers/crashpad_handler"
helper_app="${versioned_dir}/@MAC_PRODUCT_NAME@ Helper.app"
helper_eh_app="${versioned_dir}/@MAC_PRODUCT_NAME@ Helper EH.app"
helper_np_app="${versioned_dir}/@MAC_PRODUCT_NAME@ Helper NP.app"
requirement_string="\
designated => \
(identifier \"com.google.Chrome\" or identifier \"com.google.Chrome.canary\") \
and certificate leaf = H\"85cee8254216185620ddc8851c7a9fc4dfe120ef\"\
"
codesign --sign "${codesign_id}" --keychain "${codesign_keychain}" \
"${browser_app}" --resource-rules "${browser_app_rules}" \
-r="${requirement_string}"
# Show the signature.
codesign --display -r- -vvvvvv "${browser_app}"
# Verify everything. Check the framework and helper apps to make sure that the
# signatures are present and weren't altered by the signing process. Don't use
# --deep on the framework because Keystone's signature is in a transitional
# state (radar 18474911). Use --no-strict on the app because it uses custom
# resource rules.
codesign --verify --deep -vvvvvv "${crashpad_handler}"
codesign --verify -vvvvvv "${framework}"
codesign --verify --deep -vvvvvv "${helper_app}"
codesign --verify --deep -vvvvvv "${helper_eh_app}"
codesign --verify --deep -vvvvvv "${helper_np_app}"
codesign --verify --deep --no-strict -vvvvvv "${browser_app}"
# Verify with spctl, which uses the same rules that Gatekeeper does for
# validation.
spctl --assess -vv "${browser_app}"
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