Dzmitry Yatsushkevich | 4e55279 | 2016-12-15 10:27:48 -0800 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | # |
| 4 | # Copyright (C) 2016 The Android Open Source Project |
| 5 | # |
| 6 | # Permission is hereby granted, free of charge, to any person |
| 7 | # obtaining a copy of this software and associated documentation |
| 8 | # files (the "Software"), to deal in the Software without |
| 9 | # restriction, including without limitation the rights to use, copy, |
| 10 | # modify, merge, publish, distribute, sublicense, and/or sell copies |
| 11 | # of the Software, and to permit persons to whom the Software is |
| 12 | # furnished to do so, subject to the following conditions: |
| 13 | # |
| 14 | # The above copyright notice and this permission notice shall be |
| 15 | # included in all copies or substantial portions of the Software. |
| 16 | # |
| 17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 | # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 | # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 20 | # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 21 | # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 22 | # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 23 | # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 24 | # SOFTWARE. |
| 25 | # |
| 26 | |
| 27 | # This shell-script checks the symbols in libavb_host.a and fails |
| 28 | # if a reference not starting with avb_ is referenced. It's intended |
| 29 | # to catch mistakes where the standard C library is inadvertently |
| 30 | # used. |
| 31 | |
| 32 | import subprocess |
| 33 | import sys |
| 34 | import errno |
| 35 | import os |
| 36 | |
| 37 | def rsa_signer(argv): |
| 38 | if len(argv) != 3: |
| 39 | sys.stderr.write("Wrong number of arguments: {} <alg> <pub key>\n".format(argv[0])) |
| 40 | return errno.EINVAL |
| 41 | |
| 42 | data = sys.stdin.read() |
| 43 | if len(data) == 0: |
| 44 | sys.stderr.write("There is not input data\n") |
| 45 | return errno.EINVAL |
| 46 | |
David Zeuthen | b623d8b | 2017-04-04 16:05:53 -0400 | [diff] [blame] | 47 | if os.environ.get('SIGNING_HELPER_GENERATE_WRONG_SIGNATURE'): |
| 48 | # We're only called with this algorithm which signature size is 256. |
| 49 | assert sys.argv[1] == 'SHA256_RSA2048' |
| 50 | sys.stdout.write('X'*256) |
| 51 | return 0 |
| 52 | |
Dzmitry Yatsushkevich | 4e55279 | 2016-12-15 10:27:48 -0800 | [diff] [blame] | 53 | if 'SIGNING_HELPER_TEST' not in os.environ or os.environ['SIGNING_HELPER_TEST'] == "": |
| 54 | sys.stderr.write("env SIGNING_HELPER_TEST is not set or empty\n") |
| 55 | return errno.EINVAL |
| 56 | |
| 57 | test_file_name = os.environ['SIGNING_HELPER_TEST'] |
| 58 | if os.path.isfile(test_file_name) and not os.access(test_file_name, os.W_OK): |
| 59 | sys.stderr.write("no permission to write into {} file\n".format(test_file_name)) |
| 60 | return errno.EACCESS |
| 61 | |
| 62 | p = subprocess.Popen( |
| 63 | ['openssl', 'rsautl', '-sign', '-inkey', argv[2], '-raw'], |
| 64 | stdin=subprocess.PIPE) |
| 65 | |
| 66 | p.communicate(data) |
| 67 | retcode = p.wait() |
| 68 | if retcode != 0: |
| 69 | return retcode |
| 70 | |
| 71 | with open(test_file_name, "w") as f: |
| 72 | f.write("DONE") |
| 73 | |
| 74 | return 0 |
| 75 | |
| 76 | if __name__ == '__main__': |
| 77 | sys.exit(rsa_signer(sys.argv)) |