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https://github.com/thegeeklab/ansible-later.git
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68 lines
3.1 KiB
Python
68 lines
3.1 KiB
Python
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# Copyright (c) 2013-2014 Will Thames <will@thames.id.au>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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from ansiblelater.standard import StandardBase
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class CheckFilePermissionOctal(StandardBase):
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sid = "ANSIBLE0019"
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description = "Octal file permissions must contain leading zero or be a string"
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helptext = "numeric file permissions without leading zero can behave in unexpected ways"
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version = "0.2"
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types = ["playbook", "task", "handler"]
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def check(self, candidate, settings):
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tasks, errors = self.get_normalized_tasks(candidate, settings)
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modules = [
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"assemble", "copy", "file", "ini_file", "lineinfile", "replace", "synchronize",
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"template", "unarchive"
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]
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if not errors:
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for task in tasks:
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if task["action"]["__ansible_module__"] in modules:
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mode = task["action"].get("mode", None)
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if isinstance(mode, int):
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if self._is_invalid_permission(mode):
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errors.append(self.Error(task["__line__"], self.helptext))
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return self.Result(candidate.path, errors)
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@staticmethod
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def _is_invalid_permission(mode):
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other_write_without_read = (
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mode % 8 and mode % 8 < 4 and not (mode % 8 == 1 and (mode >> 6) % 2 == 1)
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)
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group_write_without_read = ((mode >> 3) % 8 and (mode >> 3) % 8 < 4
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and not ((mode >> 3) % 8 == 1 and (mode >> 6) % 2 == 1))
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user_write_without_read = ((mode >> 6) % 8 and (mode >> 6) % 8 < 4
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and not (mode >> 6) % 8 == 1)
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other_more_generous_than_group = mode % 8 > (mode >> 3) % 8
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other_more_generous_than_user = mode % 8 > (mode >> 6) % 8
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group_more_generous_than_user = (mode >> 3) % 8 > (mode >> 6) % 8
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return bool(
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other_write_without_read or group_write_without_read or user_write_without_read
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or other_more_generous_than_group or other_more_generous_than_user
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or group_more_generous_than_user
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)
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