1#!/usr/bin/env python
2#
3# Copyright (C) 2012 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17import sys
18import os
19
20try:
21  from hashlib import sha1
22except ImportError:
23  from sha import sha as sha1
24
25import argparse
26
27parser = argparse.ArgumentParser()
28parser.add_argument("--board_info_txt", nargs="?", required=True)
29parser.add_argument("--board_info_check", nargs="*", required=True)
30args = parser.parse_args()
31
32if not args.board_info_txt:
33  sys.exit(0)
34
35build_info = {}
36f = open(args.board_info_txt)
37for line in f:
38  line = line.strip()
39  if line.startswith("require"):
40    key, value = line.split()[1].split("=", 1)
41    build_info[key] = value
42f.close()
43
44bad = False
45
46for item in args.board_info_check:
47  key, fn = item.split(":", 1)
48
49  values = build_info.get(key, None)
50  if not values:
51    continue
52  values = values.split("|")
53
54  f = open(fn, "rb")
55  digest = sha1(f.read()).hexdigest()
56  f.close()
57
58  versions = {}
59  try:
60    f = open(fn + ".sha1")
61  except IOError:
62    if not bad: print()
63    print("*** Error opening \"%s.sha1\"; can't verify %s" % (fn, key))
64    bad = True
65    continue
66  for line in f:
67    line = line.strip()
68    if not line or line.startswith("#"): continue
69    h, v = line.split()
70    versions[h] = v
71
72  if digest not in versions:
73    if not bad: print()
74    print("*** SHA-1 hash of \"%s\" doesn't appear in \"%s.sha1\"" % (fn, fn))
75    bad = True
76    continue
77
78  if versions[digest] not in values:
79    if not bad: print()
80    print("*** \"%s\" is version %s; not any %s allowed by \"%s\"." % (
81        fn, versions[digest], key, args.board_info_txt))
82    bad = True
83
84if bad:
85  print()
86  sys.exit(1)
87