93 lines
3.5 KiB
Python
93 lines
3.5 KiB
Python
#
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# Copyright (C) 2016 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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#
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from vts.runners.host import const
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from vts.testcases.kernel.ltp.shell_environment.definitions.base_definitions import check_setup_cleanup
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class PathPermission(check_setup_cleanup.CheckSetupCleanup):
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"""Class for check and set path permissions.
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Attributes:
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to_check: bool, whether or not to check the defined environment
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requirement. Default: True
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to_setup: bool, whether or not to setup the defined environment
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requirement. Default: False
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to_cleanup: bool, whether or not to cleanup the defined environment
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requirement if it is set up by this class. Default: False
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_paths: list string, target paths
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_failed_paths: list of string, paths that don't have desired permissions
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_permissions: list of int, desired permissions for each path
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"""
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def __init__(self,
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paths=None,
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permissions=None,
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to_check=True,
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to_setup=False,
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to_cleanup=False):
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self._paths = paths
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self._permissions = permissions
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self.to_check = to_check
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self.to_setup = to_setup
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self.to_cleanup = to_cleanup
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def ValidateInputs(self):
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"""Validate inputs.
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Check whether input lists is not null or empty list
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or list containing empty string, and two lists containing same number
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of items. If inputs are two single item, they will
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be converted to single item lists.
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"""
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normalized = self.NormalizeInputLists(self._paths, self._permissions)
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if not normalized:
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return False
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self._paths, self._permissions = normalized
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self._failed_paths = zip(self._paths, self._permissions,
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self._permissions)
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return True
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def Check(self):
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commands = ["stat -c {}a {}".format('%', path) for path in self._paths]
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results = self.ExecuteShellCommand(commands)[const.STDOUT]
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self._failed_paths = [
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(path, permission, result)
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for path, permission, result in zip(self._paths, self._permissions,
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results)
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if str(permission) != result
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]
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if not self._failed_paths:
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return True
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self.note = ("Some paths do not have desired "
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"permission: %s") % self._failed_paths
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return False
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def Setup(self):
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commands = ["chmod {} {}".format(permission, path)
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for (path, permission, result) in self._failed_paths]
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# TODO: perhaps store or print failed setup paths
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return not any(self.ExecuteShellCommand(commands)[const.EXIT_CODE])
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def Cleanup(self):
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commands = ["chmod {} {}".format(original, path)
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for (path, permission, original) in self._failed_paths]
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return not any(self.ExecuteShellCommand(commands)[const.EXIT_CODE])
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