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# -*- coding: utf-8 -*-
# Copyright (c) 2018, Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
name: ksu
short_description: Kerberos substitute user
description:
- This become plugins allows your remote/login user to execute commands as another user via the ksu utility.
author: Ansible Core Team
options:
become_user:
description: User you 'become' to execute the task
ini:
- section: privilege_escalation
key: become_user
- section: ksu_become_plugin
key: user
vars:
- name: ansible_become_user
- name: ansible_ksu_user
env:
- name: ANSIBLE_BECOME_USER
- name: ANSIBLE_KSU_USER
required: true
become_exe:
description: Su executable
default: ksu
ini:
- section: privilege_escalation
key: become_exe
- section: ksu_become_plugin
key: executable
vars:
- name: ansible_become_exe
- name: ansible_ksu_exe
env:
- name: ANSIBLE_BECOME_EXE
- name: ANSIBLE_KSU_EXE
become_flags:
description: Options to pass to ksu
default: ''
ini:
- section: privilege_escalation
key: become_flags
- section: ksu_become_plugin
key: flags
vars:
- name: ansible_become_flags
- name: ansible_ksu_flags
env:
- name: ANSIBLE_BECOME_FLAGS
- name: ANSIBLE_KSU_FLAGS
become_pass:
description: ksu password
required: false
vars:
- name: ansible_ksu_pass
- name: ansible_become_pass
- name: ansible_become_password
env:
- name: ANSIBLE_BECOME_PASS
- name: ANSIBLE_KSU_PASS
ini:
- section: ksu_become_plugin
key: password
prompt_l10n:
description:
- List of localized strings to match for prompt detection
- If empty we'll use the built in one
default: []
ini:
- section: ksu_become_plugin
key: localized_prompts
vars:
- name: ansible_ksu_prompt_l10n
env:
- name: ANSIBLE_KSU_PROMPT_L10N
'''
import re
from ansible.module_utils.common.text.converters import to_bytes
from ansible.plugins.become import BecomeBase
class BecomeModule(BecomeBase):
name = 'community.general.ksu'
# messages for detecting prompted password issues
fail = ('Password incorrect',)
missing = ('No password given',)
def check_password_prompt(self, b_output):
''' checks if the expected password prompt exists in b_output '''
prompts = self.get_option('prompt_l10n') or ["Kerberos password for .*@.*:"]
b_prompt = b"|".join(to_bytes(p) for p in prompts)
return bool(re.match(b_prompt, b_output))
def build_become_command(self, cmd, shell):
super(BecomeModule, self).build_become_command(cmd, shell)
# Prompt handling for ``ksu`` is more complicated, this
# is used to satisfy the connection plugin
self.prompt = True
if not cmd:
return cmd
exe = self.get_option('become_exe')
flags = self.get_option('become_flags')
user = self.get_option('become_user')
return '%s %s %s -e %s ' % (exe, user, flags, self._build_success_command(cmd, shell))
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