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|
#!/bin/bash
#
# Mode: shell-script; sh-indentation:2;
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
export BASE_PATH=`dirname $0`
echo $BASE_PATH
# location of the 'sign_b2g_manifest.py' script
export SIGN_SCR_PATH=.
DB_PATH=${BASE_PATH}/signingDB
PASSWORD_FILE=${DB_PATH}/passwordfile
VALID_MANIFEST_PATH=${BASE_PATH}/testValidSignedManifest
INVALID_MANIFEST_PATH=${BASE_PATH}/testInvalidSignedManifest
TRUSTED_EE=trusted_ee1
UNTRUSTED_EE=untrusted_ee1
TRUSTED_CA=trusted_ca1
UNTRUSTED_CA=untrusted_ca1
# Print usage info
usage() {
echo
echo
tput bold
echo "NAME"
tput sgr0
echo " create_test_files.sh - Signing a manifest for Trusted Hosted Apps."
echo
tput bold
echo "SYNOPSIS"
tput sgr0
echo " create_test_files.sh"
echo " create_test_files.sh [--regenerate-test-certs]"
echo " create_test_files.sh [--help]"
echo
tput bold
echo "DESCRIPTION"
tput sgr0
echo " The script signs a manifest for Trusted Hosted Apps if no parameter"
echo " is given and if the manifest file and a certificate database directory"
echo " is present in the current directory."
echo " Two directories ./testValidSignedManifest and ./testInvalidSignedManifest"
echo " are generated containing a manifest signature file each, signed with valid"
echo " and invalid certificates respectively."
echo " If the --regenerate-test-certs parameter is given, a new certificate database"
echo " directory is generated before the signing takes place."
echo " If the certificate database is not present and the --regenerate-test-certs"
echo " parameter is not given the script exits whithout any operations."
echo
tput bold
echo "OPTIONS"
echo " --regenerate-test-certs,"
tput sgr0
echo " Generates a test certificate database and then signs the manifest.webapp"
echo " file in the current directory."
echo
tput bold
echo " --help,"
tput sgr0
echo " Show this usage information."
echo
}
# Function to create a signing database
# Parameters:
# $1: Output directory (where the DB will be created)
# $2: Password file
createDB() {
local db_path=${1}
local password_file=${2}
mkdir -p ${db_path}
echo insecurepassword > ${password_file}
certutil -d ${db_path} -N -f ${password_file} 2>&1 >/dev/null
}
# Add a CA cert and a signing cert to the database
# Arguments:
# $1: DB directory
# $2: CA CN (don't include the CN=, just the value)
# $3: Signing Cert CN (don't include the CN=, just the value)
# $4: CA short name (don't use spaces!)
# $5: Signing Cert short name (don't use spaces!)
# $6: Password file
addCerts() {
local db_path=${1}
local password_file=${6}
org="O=Example Trusted Corporation,L=Mountain View,ST=CA,C=US"
ca_subj="CN=${2},${org}"
ee_subj="CN=${3},${org}"
noisefile=/tmp/noise.$$
head -c 32 /dev/urandom > ${noisefile}
ca_responses=/tmp/caresponses.$$
ee_responses=/tmp/earesponses
echo y > ${ca_responses} # Is this a CA?
echo >> ${ca_responses} # Accept default path length constraint (no constraint)
echo y >> ${ca_responses} # Is this a critical constraint?
echo n > ${ee_responses} # Is this a CA?
echo >> ${ee_responses} # Accept default path length constraint (no constraint)
echo y >> ${ee_responses} # Is this a critical constraint?
make_cert="certutil -d ${db_path} -f ${password_file} -S -g 2048 -Z SHA256 \
-z ${noisefile} -y 3 -2 --extKeyUsage critical,codeSigning"
${make_cert} -v 480 -n ${4} -m 1 -s "${ca_subj}" --keyUsage critical,certSigning \
-t ",,CTu" -x < ${ca_responses} 2>&1 >/dev/null
${make_cert} -v 240 -n ${5} -c ${4} -m 2 -s "${ee_subj}" --keyUsage critical,digitalSignature \
-t ",,," < ${ee_responses} 2>&1 >/dev/null
certutil -d ${db_path} -L -n ${4} -r -o ${SIGN_SCR_PATH}/${4}.der
rm -f ${noisefile} ${ee_responses} ${ca_responses}
}
# Signs a manifest
# Parameters:
# $1: Database directory
# $2: Unsigned manifest file path
# $3: Signed manifest file path
# $4: Nickname of the signing certificate
# $5: Password file
signManifest() {
local db_path=${1}
local password_file=${5}
python ${BASE_PATH}/${SIGN_SCR_PATH}/sign_b2g_manifest.py -d ${db_path} \
-f ${password_file} -k ${4} -i ${2} -o ${3}
}
# Generate the necessary files to be used for the signing
generate_files() {
# First create a new couple of signing DBs
rm -rf ${DB_PATH} ${VALID_MANIFEST_PATH} ${INVALID_MANIFEST_PATH}
createDB ${DB_PATH} ${PASSWORD_FILE}
addCerts ${DB_PATH} "Trusted Valid CA" "Trusted Corp Cert" ${TRUSTED_CA} ${TRUSTED_EE} ${PASSWORD_FILE}
addCerts ${DB_PATH} "Trusted Invalid CA" "Trusted Invalid Cert" ${UNTRUSTED_CA} ${UNTRUSTED_EE} ${PASSWORD_FILE}
}
#Start of execution
if [ ${1} ] && [ "${1}" == '--regenerate-test-certs' ]; then
generate_files
elif [ "${1}" == '--help' ]; then
usage
exit 1
else
if [ -d ${DB_PATH} ]; then
rm -rf ${VALID_MANIFEST_PATH} ${INVALID_MANIFEST_PATH}
else
echo "Error! The directory ${DB_PATH} does not exist!"
echo "New certificate database must be created!"
usage $0
exit 1
fi
fi
# Create all the test manifests
mkdir -p ${VALID_MANIFEST_PATH}
mkdir -p ${INVALID_MANIFEST_PATH}
CURDIR=`pwd`
cd $CURDIR
# Sign a manifest file with a known issuer
signManifest ${DB_PATH} ${BASE_PATH}/manifest.webapp \
${VALID_MANIFEST_PATH}/manifest.sig \
${TRUSTED_EE} ${PASSWORD_FILE}
# Sign a manifest file with a unknown issuer
signManifest ${DB_PATH} ${BASE_PATH}/manifest.webapp \
${INVALID_MANIFEST_PATH}/manifest.sig \
${UNTRUSTED_EE} ${PASSWORD_FILE}
echo "Done!"
|
