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ignore ansible.cfg in world writable cwd (#42070)

* ignore ansible.cfg in world writable cwd
 * also added 'warnings' to config
 * updated man page template
This commit is contained in:
Brian Coca 2018-06-29 19:46:10 -04:00 committed by Toshio Kuratomi
parent de0e11c0d5
commit b6f2aad600
5 changed files with 38 additions and 10 deletions

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@ -0,0 +1,2 @@
bugfixes:
- '**Security Fix** - avoid using ansible.cfg in a world readable dir.'

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@ -22,7 +22,7 @@ Paths where configuration file is searched are listed in :ref:`reference documen
.. _getting_the_latest_configuration:
Getting the latest configuration
================================
--------------------------------
If installing Ansible from a package manager, the latest ansible.cfg file should be present in /etc/ansible, possibly
as a ".rpmnew" file (or other) as appropriate in the case of updates.
@ -36,6 +36,7 @@ For more details and a full listing of available configurations go to :ref:`conf
For in-depth details, see :ref:`ansible_configuration_settings`.
.. _environmental_configuration:
Environmental configuration
===========================
@ -56,4 +57,3 @@ Settings in the command line will override those passed through the configuratio
The full list of options available is in :ref:`ansible-playbook` and :ref:`ansible`.

12
docs/templates/man.j2 vendored
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@ -76,17 +76,18 @@ ENVIRONMENT
The following environment variables may be specified.
{% if inventory %}
ANSIBLE_INVENTORY -- Override the default ansible inventory file
ANSIBLE_INVENTORY -- Override the default ansible inventory sources
{% endif %}
{% if library %}
ANSIBLE_LIBRARY -- Override the default ansible module library path
{% endif %}
ANSIBLE_CONFIG -- Override the default ansible config file
ANSIBLE_CONFIG -- Specify override location for the ansible config file
Many more are available for most options in ansible.cfg
For a full list check https://docs.ansible.com/. or use the `ansible-config` command.
FILES
-----
@ -99,6 +100,9 @@ FILES
~/.ansible.cfg -- User config file, overrides the default config if present
./ansible.cfg -- Local config file (in current working direcotry) assumed to be 'project specific' and overrides the rest if present.
As mentioned above, the ANSIBLE_CONFIG environment variable will override all others.
AUTHOR
------
@ -109,8 +113,8 @@ Ansible was originally written by Michael DeHaan.
COPYRIGHT
---------
Copyright © 2017 Red Hat, Inc | Ansible.
Ansible is released under the terms of the GPLv3 License.
Copyright © 2018 Red Hat, Inc | Ansible.
Ansible is released under the terms of the GPLv3 license.
SEE ALSO

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@ -6,6 +6,7 @@ __metaclass__ = type
import os
import sys
import stat
import tempfile
import io
@ -142,7 +143,7 @@ def get_ini_config_value(p, entry):
return value
def find_ini_config_file():
def find_ini_config_file(warnings=None):
''' Load INI Config File order(first found is used): ENV, CWD, HOME, /etc/ansible '''
# FIXME: eventually deprecate ini configs
@ -152,7 +153,14 @@ def find_ini_config_file():
if os.path.isdir(path0):
path0 += "/ansible.cfg"
try:
path1 = os.getcwd() + "/ansible.cfg"
path1 = os.getcwd()
perms1 = os.stat(path1)
if perms1.st_mode & stat.S_IWOTH:
if warnings is not None:
warnings.add("Ansible is in a world writable directory (%s), ignoring it as an ansible.cfg source." % to_text(path1))
path1 = None
else:
path1 += "/ansible.cfg"
except OSError:
path1 = None
path2 = unfrackpath("~/.ansible.cfg", follow=False)
@ -171,6 +179,7 @@ class ConfigManager(object):
UNABLE = {}
DEPRECATED = []
WARNINGS = set()
def __init__(self, conf_file=None, defs_file=None):
@ -196,7 +205,7 @@ class ConfigManager(object):
if self._config_file is None:
# set config using ini
self._config_file = find_ini_config_file()
self._config_file = find_ini_config_file(self.WARNINGS)
# consume configuration
if self._config_file:

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@ -17,6 +17,16 @@ from ansible.module_utils.six import string_types
from ansible.config.manager import ConfigManager, ensure_type, get_ini_config_value
def _warning(msg):
''' display is not guaranteed here, nor it being the full class, but try anyways, fallback to sys.stderr.write '''
try:
from __main__ import display
display.warning(msg)
except:
import sys
sys.stderr.write(' [WARNING] %s\n' % (msg))
def _deprecated(msg, version='2.8'):
''' display is not guaranteed here, nor it being the full class, but try anyways, fallback to sys.stderr.write '''
try:
@ -24,7 +34,7 @@ def _deprecated(msg, version='2.8'):
display.deprecated(msg, version=version)
except:
import sys
sys.stderr.write('[DEPRECATED] %s, to be removed in %s' % (msg, version))
sys.stderr.write(' [DEPRECATED] %s, to be removed in %s\n' % (msg, version))
def mk_boolean(value):
@ -189,3 +199,6 @@ for setting in config.data.get_settings():
value = ensure_type(value, setting.type)
set_constant(setting.name, value)
for warn in config.WARNINGS:
_warning(warn)