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15e9f04f86
* doas: properly set the default values The module expects by default: - `become_user` to be `None` or a string, - `become_flags` to by an empty string. * Apply suggestions from code review Co-authored-by: Felix Fontein <felix@fontein.de> Co-authored-by: Felix Fontein <felix@fontein.de>
126 lines
4.1 KiB
Python
126 lines
4.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright: (c) 2018, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = '''
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become: doas
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short_description: Do As user
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description:
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- This become plugins allows your remote/login user to execute commands as another user via the doas utility.
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author: ansible (@core)
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options:
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become_user:
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description: User you 'become' to execute the task
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ini:
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- section: privilege_escalation
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key: become_user
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- section: doas_become_plugin
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key: user
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vars:
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- name: ansible_become_user
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- name: ansible_doas_user
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env:
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- name: ANSIBLE_BECOME_USER
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- name: ANSIBLE_DOAS_USER
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become_exe:
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description: Doas executable
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default: doas
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ini:
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- section: privilege_escalation
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key: become_exe
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- section: doas_become_plugin
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key: executable
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vars:
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- name: ansible_become_exe
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- name: ansible_doas_exe
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env:
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- name: ANSIBLE_BECOME_EXE
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- name: ANSIBLE_DOAS_EXE
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become_flags:
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description: Options to pass to doas
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default: ''
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ini:
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- section: privilege_escalation
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key: become_flags
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- section: doas_become_plugin
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key: flags
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vars:
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- name: ansible_become_flags
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- name: ansible_doas_flags
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env:
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- name: ANSIBLE_BECOME_FLAGS
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- name: ANSIBLE_DOAS_FLAGS
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become_pass:
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description: password for doas prompt
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required: False
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vars:
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- name: ansible_become_password
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- name: ansible_become_pass
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- name: ansible_doas_pass
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env:
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- name: ANSIBLE_BECOME_PASS
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- name: ANSIBLE_DOAS_PASS
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ini:
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- section: doas_become_plugin
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key: password
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prompt_l10n:
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description:
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- List of localized strings to match for prompt detection
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- If empty we'll use the built in one
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default: []
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ini:
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- section: doas_become_plugin
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key: localized_prompts
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vars:
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- name: ansible_doas_prompt_l10n
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env:
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- name: ANSIBLE_DOAS_PROMPT_L10N
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'''
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import re
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from ansible.module_utils._text import to_bytes
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from ansible.plugins.become import BecomeBase
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class BecomeModule(BecomeBase):
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name = 'community.general.doas'
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# messages for detecting prompted password issues
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fail = ('Permission denied',)
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missing = ('Authorization required',)
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def check_password_prompt(self, b_output):
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''' checks if the expected password prompt exists in b_output '''
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# FIXME: more accurate would be: 'doas (%s@' % remote_user
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# however become plugins don't have that information currently
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b_prompts = [to_bytes(p) for p in self.get_option('prompt_l10n')] or [br'doas \(', br'Password:']
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b_prompt = b"|".join(b_prompts)
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return bool(re.match(b_prompt, b_output))
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def build_become_command(self, cmd, shell):
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super(BecomeModule, self).build_become_command(cmd, shell)
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if not cmd:
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return cmd
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self.prompt = True
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become_exe = self.get_option('become_exe')
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flags = self.get_option('become_flags')
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if not self.get_option('become_pass') and '-n' not in flags:
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flags += ' -n'
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become_user = self.get_option('become_user')
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user = '-u %s' % (become_user) if become_user else ''
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success_cmd = self._build_success_command(cmd, shell, noexe=True)
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executable = getattr(shell, 'executable', shell.SHELL_FAMILY)
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return '%s %s %s %s -c %s' % (become_exe, flags, user, executable, success_cmd)
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