1 #!/bin/bash 2 3 # 4 # Copyright (C) 2016 The Android Open Source Project 5 # 6 # Licensed under the Apache License, Version 2.0 (the "License"); 7 # you may not use this file except in compliance with the License. 8 # You may obtain a copy of the License at 9 # 10 # http://www.apache.org/licenses/LICENSE-2.0 11 # 12 # Unless required by applicable law or agreed to in writing, software 13 # distributed under the License is distributed on an "AS IS" BASIS, 14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 # See the License for the specific language governing permissions and 16 # limitations under the License. 17 # 18 19 # Exit in error if we use an undefined variable (i.e. commit a typo). 20 set -u 21 22 usage () { #show usage and bail out 23 echo "USAGE:" >&2 24 echo " $1 <app.napp> [-e <ENCR_KEY_NUM> <ENCR_KEY_FILE>] [-s <PRIV_KEY_FILE> <PUB_KEY_FILE> [<SIG_TO_CHAIN_1> [<SIG_TO_CHAIN_2> [...]]]]" >&2 25 exit 1 26 } 27 28 if [ $# -ge 1 ] ; then 29 app=${1%.napp} 30 shift 31 else 32 usage $0 33 fi 34 35 args=( $@ ) 36 37 #get encryption key if it exists & encrypt app 38 encr_key_num="" 39 if [ ${#args[@]} -ge 1 ] 40 then 41 if [[ ${args[0]} = "-e" ]] 42 then 43 if [ ${#args[@]} -lt 3 ] 44 then 45 usage $0 46 fi 47 encr_key_num=${args[1]} 48 encr_key_file=${args[2]} 49 args=("${args[@]:3}") 50 51 if [ ! -f "$encr_key_file" ]; then 52 usage $0 53 fi 54 55 nanoapp_encr -e -i "$encr_key_num" -k "$encr_key_file" "${app}.napp" "${app}.encr.napp" 56 app="${app}.encr" 57 fi 58 fi 59 60 #handle signing 61 if [ ${#args[@]} -ge 1 ] 62 then 63 if [[ ${args[0]} = "-s" ]] 64 then 65 if [ ${#args[@]} -lt 3 ] 66 then 67 usage $0 68 fi 69 priv1=${args[1]} 70 pub1=${args[2]} 71 72 #make sure files exist 73 i=1 74 while [ $i -lt ${#args[@]} ] 75 do 76 if [ ! -f "${args[$i]}" ]; then 77 usage $0 78 fi 79 i=$[$i+1] 80 done 81 82 nanoapp_sign -s -e "$priv1" -m "$pub1" "${app}.napp" "${app}.sign.napp" 83 84 #append remaining chunks 85 i=3 86 while [ $i -lt ${#args[@]} ] 87 do 88 cat "${args[$i]}" >> "${app}.sign.napp" 89 i=$[$i+1] 90 done 91 else 92 usage $0 93 fi 94 fi 95
