76 lines
3.1 KiB
Python
76 lines
3.1 KiB
Python
# Copyright 2023 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from optparse import OptionParser
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import mini_parser
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import os
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import sys
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def do_main():
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usage = "sepolicy_freeze_test "
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usage += "-c current_cil -p prebuilt_cil [--help]"
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parser = OptionParser(usage=usage)
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parser.add_option("-c", "--current", dest="current", metavar="FILE")
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parser.add_option("-p", "--prebuilt", dest="prebuilt", metavar="FILE")
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(options, args) = parser.parse_args()
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if not options.current or not options.prebuilt:
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sys.exit("Must specify both current and prebuilt\n" + parser.usage)
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if not os.path.exists(options.current):
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sys.exit("Current policy " + options.current + " does not exist\n"
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+ parser.usage)
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if not os.path.exists(options.prebuilt):
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sys.exit("Prebuilt policy " + options.prebuilt + " does not exist\n"
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+ parser.usage)
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current_policy = mini_parser.MiniCilParser(options.current)
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prebuilt_policy = mini_parser.MiniCilParser(options.prebuilt)
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current_policy.typeattributes = set(filter(lambda x: "base_typeattr_" not in x,
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current_policy.typeattributes))
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prebuilt_policy.typeattributes = set(filter(lambda x: "base_typeattr_" not in x,
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prebuilt_policy.typeattributes))
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results = ""
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removed_types = prebuilt_policy.types - current_policy.types
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added_types = current_policy.types - prebuilt_policy.types
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removed_attributes = prebuilt_policy.typeattributes - current_policy.typeattributes
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added_attributes = current_policy.typeattributes - prebuilt_policy.typeattributes
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if removed_types:
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results += "The following public types were removed:\n" + ", ".join(removed_types) + "\n"
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if added_types:
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results += "The following public types were added:\n" + ", ".join(added_types) + "\n"
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if removed_attributes:
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results += "The following public attributes were removed:\n" + ", ".join(removed_attributes) + "\n"
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if added_attributes:
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results += "The following public attributes were added:\n" + ", ".join(added_attributes) + "\n"
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if results:
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sys.exit(f'''{results}
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******************************
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You have tried to change system/sepolicy/public after vendor API freeze.
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To make these errors go away, you can guard types and attributes listed above,
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so they won't be included to the release build.
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See an example of how to guard them:
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https://android-review.googlesource.com/3050544
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******************************
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''')
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if __name__ == '__main__':
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do_main()
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