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
25if len(sys.argv) < 2:
26  sys.exit(0)
27
28build_info = {}
29f = open(sys.argv[1])
30for line in f:
31  line = line.strip()
32  if line.startswith("require"):
33    key, value = line.split()[1].split("=", 1)
34    build_info[key] = value
35f.close()
36
37bad = False
38
39for item in sys.argv[2:]:
40  key, fn = item.split(":", 1)
41
42  values = build_info.get(key, None)
43  if not values:
44    continue
45  values = values.split("|")
46
47  f = open(fn, "rb")
48  digest = sha1(f.read()).hexdigest()
49  f.close()
50
51  versions = {}
52  try:
53    f = open(fn + ".sha1")
54  except IOError:
55    if not bad: print
56    print "*** Error opening \"%s.sha1\"; can't verify %s" % (fn, key)
57    bad = True
58    continue
59  for line in f:
60    line = line.strip()
61    if not line or line.startswith("#"): continue
62    h, v = line.split()
63    versions[h] = v
64
65  if digest not in versions:
66    if not bad: print
67    print "*** SHA-1 hash of \"%s\" doesn't appear in \"%s.sha1\"" % (fn, fn)
68    bad = True
69    continue
70
71  if versions[digest] not in values:
72    if not bad: print
73    print "*** \"%s\" is version %s; not any %s allowed by \"%s\"." % (
74        fn, versions[digest], key, sys.argv[1])
75    bad = True
76
77if bad:
78  print
79  sys.exit(1)
80