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# -*- coding: utf-8 -*-
# Copyright: (c) 2018, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = """
name: su
short_description: Substitute User
description:
- This become plugin allows your remote/login user to execute commands as another user via the su utility.
author: ansible (@core)
version_added: "2.8"
options:
become_user:
description: User you 'become' to execute the task
default: root
ini:
- section: privilege_escalation
key: become_user
- section: su_become_plugin
key: user
vars:
- name: ansible_become_user
- name: ansible_su_user
env:
- name: ANSIBLE_BECOME_USER
- name: ANSIBLE_SU_USER
keyword:
- name: become_user
become_exe:
description: Su executable
default: su
ini:
- section: privilege_escalation
key: become_exe
- section: su_become_plugin
key: executable
vars:
- name: ansible_become_exe
- name: ansible_su_exe
env:
- name: ANSIBLE_BECOME_EXE
- name: ANSIBLE_SU_EXE
keyword:
- name: become_exe
become_flags:
description: Options to pass to su
default: ''
ini:
- section: privilege_escalation
key: become_flags
- section: su_become_plugin
key: flags
vars:
- name: ansible_become_flags
- name: ansible_su_flags
env:
- name: ANSIBLE_BECOME_FLAGS
- name: ANSIBLE_SU_FLAGS
keyword:
- name: become_flags
become_pass:
description: Password to pass to su
required: False
vars:
- name: ansible_become_password
- name: ansible_become_pass
- name: ansible_su_pass
env:
- name: ANSIBLE_BECOME_PASS
- name: ANSIBLE_SU_PASS
ini:
- section: su_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
- Do NOT add a colon (:) to your custom entries. Ansible adds a colon at the end of each prompt;
if you add another one in your string, your prompt will fail with a "Timeout" error.
default: []
type: list
elements: string
ini:
- section: su_become_plugin
key: localized_prompts
vars:
- name: ansible_su_prompt_l10n
env:
- name: ANSIBLE_SU_PROMPT_L10N
"""
import re
import shlex
from ansible.module_utils._text import to_bytes
from ansible.plugins.become import BecomeBase
class BecomeModule(BecomeBase):
name = 'su'
# messages for detecting prompted password issues
fail = ('Authentication failure',)
SU_PROMPT_LOCALIZATIONS = [
'Password',
'암호',
'パスワード',
'Adgangskode',
'Contraseña',
'Contrasenya',
'Hasło',
'Heslo',
'Jelszó',
'Lösenord',
'Mật khẩu',
'Mot de passe',
'Parola',
'Parool',
'Pasahitza',
'Passord',
'Passwort',
'Salasana',
'Sandi',
'Senha',
'Wachtwoord',
'ססמה',
'Лозинка',
'Парола',
'Пароль',
'गुप्तशब्द',
'शब्दकूट',
'సంకేతపదము',
'හස්පදය',
'密码',
'密碼',
'口令',
]
def check_password_prompt(self, b_output):
''' checks if the expected password prompt exists in b_output '''
prompts = self.get_option('prompt_l10n') or self.SU_PROMPT_LOCALIZATIONS
b_password_string = b"|".join((br'(\w+\'s )?' + to_bytes(p)) for p in prompts)
# Colon or unicode fullwidth colon
b_password_string = b_password_string + to_bytes(u' ?(:|：) ?')
b_su_prompt_localizations_re = re.compile(b_password_string, flags=re.IGNORECASE)
return bool(b_su_prompt_localizations_re.match(b_output))
def build_become_command(self, cmd, shell):
super(BecomeModule, self).build_become_command(cmd, shell)
# Prompt handling for ``su`` 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') or self.name
flags = self.get_option('become_flags') or ''
user = self.get_option('become_user') or ''
success_cmd = self._build_success_command(cmd, shell)
return "%s %s %s -c %s" % (exe, flags, user, shlex.quote(success_cmd))
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