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4ed88512e4
We couldn't copy to_unicode, to_bytes, to_str into module_utils because of licensing. So once created it we had two sets of functions that did the same things but had different implementations. To remedy that, this change removes the ansible.utils.unicode versions of those functions.
97 lines
3.1 KiB
Python
97 lines
3.1 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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# Note, sha1 is the only hash algorithm compatible with python2.4 and with
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# FIPS-140 mode (as of 11-2014)
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try:
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from hashlib import sha1 as sha1
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except ImportError:
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from sha import sha as sha1
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# Backwards compat only
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try:
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from hashlib import md5 as _md5
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except ImportError:
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try:
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from md5 import md5 as _md5
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except ImportError:
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# Assume we're running in FIPS mode here
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_md5 = None
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from ansible.errors import AnsibleError
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from ansible.module_utils._text import to_bytes
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def secure_hash_s(data, hash_func=sha1):
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''' Return a secure hash hex digest of data. '''
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digest = hash_func()
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data = to_bytes(data, errors='surrogate_or_strict')
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digest.update(data)
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return digest.hexdigest()
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def secure_hash(filename, hash_func=sha1):
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''' Return a secure hash hex digest of local file, None if file is not present or a directory. '''
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if not os.path.exists(to_bytes(filename, errors='surrogate_or_strict')) or os.path.isdir(to_bytes(filename, errors='strict')):
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return None
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digest = hash_func()
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blocksize = 64 * 1024
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try:
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infile = open(to_bytes(filename, errors='surrogate_or_strict'), 'rb')
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block = infile.read(blocksize)
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while block:
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digest.update(block)
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block = infile.read(blocksize)
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infile.close()
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except IOError as e:
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raise AnsibleError("error while accessing the file %s, error was: %s" % (filename, e))
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return digest.hexdigest()
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# The checksum algorithm must match with the algorithm in ShellModule.checksum() method
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checksum = secure_hash
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checksum_s = secure_hash_s
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#
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# Backwards compat functions. Some modules include md5s in their return values
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# Continue to support that for now. As of ansible-1.8, all of those modules
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# should also return "checksum" (sha1 for now)
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# Do not use md5 unless it is needed for:
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# 1) Optional backwards compatibility
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# 2) Compliance with a third party protocol
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#
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# MD5 will not work on systems which are FIPS-140-2 compliant.
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#
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def md5s(data):
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if not _md5:
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raise ValueError('MD5 not available. Possibly running in FIPS mode')
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return secure_hash_s(data, _md5)
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def md5(filename):
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if not _md5:
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raise ValueError('MD5 not available. Possibly running in FIPS mode')
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return secure_hash(filename, _md5)
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