mirror of
https://github.com/valitydev/salt.git
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316 lines
15 KiB
Python
316 lines
15 KiB
Python
# coding: utf-8
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# python libs
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from __future__ import absolute_import
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import os
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import tempfile
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import shutil
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# salt testing libs
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from tests.support.unit import TestCase, skipIf
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from tests.support.mock import (
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patch,
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mock_open,
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NO_MOCK,
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NO_MOCK_REASON,
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MagicMock,
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MockCall,
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)
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# salt libs
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from salt.ext import six
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import salt.utils.files
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from salt import crypt
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# third-party libs
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try:
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import M2Crypto
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HAS_M2 = True
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except ImportError:
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HAS_M2 = False
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try:
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from Cryptodome.PublicKey import RSA # pylint: disable=unused-import
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HAS_PYCRYPTO_RSA = True
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except ImportError:
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HAS_PYCRYPTO_RSA = False
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if not HAS_PYCRYPTO_RSA:
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try:
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from Crypto.PublicKey import RSA
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HAS_PYCRYPTO_RSA = True
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except ImportError:
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HAS_PYCRYPTO_RSA = False
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PRIVKEY_DATA = (
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'-----BEGIN RSA PRIVATE KEY-----\n'
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'MIIEpAIBAAKCAQEA75GR6ZTv5JOv90Vq8tKhKC7YQnhDIo2hM0HVziTEk5R4UQBW\n'
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'a0CKytFMbTONY2msEDwX9iA0x7F5Lgj0X8eD4ZMsYqLzqjWMekLC8bjhxc+EuPo9\n'
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'Dygu3mJ2VgRC7XhlFpmdo5NN8J2E7B/CNB3R4hOcMMZNZdi0xLtFoTfwU61UPfFX\n'
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'14mV2laqLbvDEfQLJhUTDeFFV8EN5Z4H1ttLP3sMXJvc3EvM0JiDVj4l1TWFUHHz\n'
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'eFgCA1Im0lv8i7PFrgW7nyMfK9uDSsUmIp7k6ai4tVzwkTmV5PsriP1ju88Lo3MB\n'
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'4/sUmDv/JmlZ9YyzTO3Po8Uz3Aeq9HJWyBWHAQIDAQABAoIBAGOzBzBYZUWRGOgl\n'
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'IY8QjTT12dY/ymC05GM6gMobjxuD7FZ5d32HDLu/QrknfS3kKlFPUQGDAbQhbbb0\n'
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'zw6VL5NO9mfOPO2W/3FaG1sRgBQcerWonoSSSn8OJwVBHMFLG3a+U1Zh1UvPoiPK\n'
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'S734swIM+zFpNYivGPvOm/muF/waFf8tF/47t1cwt/JGXYQnkG/P7z0vp47Irpsb\n'
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'Yjw7vPe4BnbY6SppSxscW3KoV7GtJLFKIxAXbxsuJMF/rYe3O3w2VKJ1Sug1VDJl\n'
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'/GytwAkSUer84WwP2b07Wn4c5pCnmLslMgXCLkENgi1NnJMhYVOnckxGDZk54hqP\n'
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'9RbLnkkCgYEA/yKuWEvgdzYRYkqpzB0l9ka7Y00CV4Dha9Of6GjQi9i4VCJ/UFVr\n'
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'UlhTo5y0ZzpcDAPcoZf5CFZsD90a/BpQ3YTtdln2MMCL/Kr3QFmetkmDrt+3wYnX\n'
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'sKESfsa2nZdOATRpl1antpwyD4RzsAeOPwBiACj4fkq5iZJBSI0bxrMCgYEA8GFi\n'
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'qAjgKh81/Uai6KWTOW2kX02LEMVRrnZLQ9VPPLGid4KZDDk1/dEfxjjkcyOxX1Ux\n'
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'Klu4W8ZEdZyzPcJrfk7PdopfGOfrhWzkREK9C40H7ou/1jUecq/STPfSOmxh3Y+D\n'
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'ifMNO6z4sQAHx8VaHaxVsJ7SGR/spr0pkZL+NXsCgYEA84rIgBKWB1W+TGRXJzdf\n'
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'yHIGaCjXpm2pQMN3LmP3RrcuZWm0vBt94dHcrR5l+u/zc6iwEDTAjJvqdU4rdyEr\n'
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'tfkwr7v6TNlQB3WvpWanIPyVzfVSNFX/ZWSsAgZvxYjr9ixw6vzWBXOeOb/Gqu7b\n'
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'cvpLkjmJ0wxDhbXtyXKhZA8CgYBZyvcQb+hUs732M4mtQBSD0kohc5TsGdlOQ1AQ\n'
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'McFcmbpnzDghkclyW8jzwdLMk9uxEeDAwuxWE/UEvhlSi6qdzxC+Zifp5NBc0fVe\n'
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'7lMx2mfJGxj5CnSqQLVdHQHB4zSXkAGB6XHbBd0MOUeuvzDPfs2voVQ4IG3FR0oc\n'
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'3/znuwKBgQChZGH3McQcxmLA28aUwOVbWssfXKdDCsiJO+PEXXlL0maO3SbnFn+Q\n'
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'Tyf8oHI5cdP7AbwDSx9bUfRPjg9dKKmATBFr2bn216pjGxK0OjYOCntFTVr0psRB\n'
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'CrKg52Qrq71/2l4V2NLQZU40Dr1bN9V+Ftd9L0pvpCAEAWpIbLXGDw==\n'
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'-----END RSA PRIVATE KEY-----')
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PUBKEY_DATA = (
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'-----BEGIN PUBLIC KEY-----\n'
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'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA75GR6ZTv5JOv90Vq8tKh\n'
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'KC7YQnhDIo2hM0HVziTEk5R4UQBWa0CKytFMbTONY2msEDwX9iA0x7F5Lgj0X8eD\n'
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'4ZMsYqLzqjWMekLC8bjhxc+EuPo9Dygu3mJ2VgRC7XhlFpmdo5NN8J2E7B/CNB3R\n'
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'4hOcMMZNZdi0xLtFoTfwU61UPfFX14mV2laqLbvDEfQLJhUTDeFFV8EN5Z4H1ttL\n'
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'P3sMXJvc3EvM0JiDVj4l1TWFUHHzeFgCA1Im0lv8i7PFrgW7nyMfK9uDSsUmIp7k\n'
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'6ai4tVzwkTmV5PsriP1ju88Lo3MB4/sUmDv/JmlZ9YyzTO3Po8Uz3Aeq9HJWyBWH\n'
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'AQIDAQAB\n'
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'-----END PUBLIC KEY-----')
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MSG = b'It\'s me, Mario'
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SIG = (
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b'\x07\xf3\xb1\xe7\xdb\x06\xf4_\xe2\xdc\xcb!F\xfb\xbex{W\x1d\xe4E'
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b'\xd3\r\xc5\x90\xca(\x05\x1d\x99\x8b\x1aug\x9f\x95>\x94\x7f\xe3+'
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b'\x12\xfa\x9c\xd4\xb8\x02]\x0e\xa5\xa3LL\xc3\xa2\x8f+\x83Z\x1b\x17'
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b'\xbfT\xd3\xc7\xfd\x0b\xf4\xd7J\xfe^\x86q"I\xa3x\xbc\xd3$\xe9M<\xe1'
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b'\x07\xad\xf2_\x9f\xfa\xf7g(~\xd8\xf5\xe7\xda-\xa3Ko\xfc.\x99\xcf'
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b'\x9b\xb9\xc1U\x97\x82\'\xcb\xc6\x08\xaa\xa0\xe4\xd0\xc1+\xfc\x86'
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b'\r\xe4y\xb1#\xd3\x1dS\x96D28\xc4\xd5\r\xd4\x98\x1a44"\xd7\xc2\xb4'
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b']\xa7\x0f\xa7Db\x85G\x8c\xd6\x94!\x8af1O\xf6g\xd7\x03\xfd\xb3\xbc'
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b'\xce\x9f\xe7\x015\xb8\x1d]AHK\xa0\x14m\xda=O\xa7\xde\xf2\xff\x9b'
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b'\x8e\x83\xc8j\x11\x1a\x98\x85\xde\xc5\x91\x07\x84!\x12^4\xcb\xa8'
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b'\x98\x8a\x8a&#\xb9(#?\x80\x15\x9eW\xb5\x12\xd1\x95S\xf2<G\xeb\xf1'
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b'\x14H\xb2\xc4>\xc3A\xed\x86x~\xcfU\xd5Q\xfe~\x10\xd2\x9b')
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@skipIf(NO_MOCK, NO_MOCK_REASON)
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@skipIf(not HAS_PYCRYPTO_RSA, 'pycrypto >= 2.6 is not available')
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@skipIf(HAS_M2, 'm2crypto is used by salt.crypt if installed')
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class CryptTestCase(TestCase):
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def test_gen_keys(self):
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open_priv_wb = MockCall('/keydir{0}keyname.pem'.format(os.sep), 'wb+')
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open_pub_wb = MockCall('/keydir{0}keyname.pub'.format(os.sep), 'wb+')
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with patch.multiple(os, umask=MagicMock(), chmod=MagicMock(),
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access=MagicMock(return_value=True)):
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with patch('salt.utils.files.fopen', mock_open()) as m_open, \
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patch('os.path.isfile', return_value=True):
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result = crypt.gen_keys('/keydir', 'keyname', 2048)
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assert result == '/keydir{0}keyname.pem'.format(os.sep), result
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assert open_priv_wb not in m_open.calls
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assert open_pub_wb not in m_open.calls
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with patch('salt.utils.files.fopen', mock_open()) as m_open, \
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patch('os.path.isfile', return_value=False):
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crypt.gen_keys('/keydir', 'keyname', 2048)
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assert open_priv_wb in m_open.calls
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assert open_pub_wb in m_open.calls
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@patch('os.umask', MagicMock())
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@patch('os.chmod', MagicMock())
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@patch('os.chown', MagicMock(), create=True)
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@patch('os.access', MagicMock(return_value=True))
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def test_gen_keys_with_passphrase(self):
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key_path = os.path.join(os.sep, 'keydir')
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open_priv_wb = MockCall(os.path.join(key_path, 'keyname.pem'), 'wb+')
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open_pub_wb = MockCall(os.path.join(key_path, 'keyname.pub'), 'wb+')
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with patch('salt.utils.files.fopen', mock_open()) as m_open, \
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patch('os.path.isfile', return_value=True):
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self.assertEqual(crypt.gen_keys(key_path, 'keyname', 2048, passphrase='password'), os.path.join(key_path, 'keyname.pem'))
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result = crypt.gen_keys(key_path, 'keyname', 2048,
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passphrase='password')
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assert result == os.path.join(key_path, 'keyname.pem'), result
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assert open_priv_wb not in m_open.calls
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assert open_pub_wb not in m_open.calls
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with patch('salt.utils.files.fopen', mock_open()) as m_open, \
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patch('os.path.isfile', return_value=False):
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crypt.gen_keys(key_path, 'keyname', 2048)
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assert open_priv_wb in m_open.calls
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assert open_pub_wb in m_open.calls
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def test_sign_message(self):
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key = RSA.importKey(PRIVKEY_DATA)
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with patch('salt.crypt.get_rsa_key', return_value=key):
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self.assertEqual(SIG, salt.crypt.sign_message('/keydir/keyname.pem', MSG))
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def test_sign_message_with_passphrase(self):
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key = RSA.importKey(PRIVKEY_DATA)
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with patch('salt.crypt.get_rsa_key', return_value=key):
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self.assertEqual(SIG, crypt.sign_message('/keydir/keyname.pem', MSG, passphrase='password'))
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def test_verify_signature(self):
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with patch('salt.utils.files.fopen', mock_open(read_data=PUBKEY_DATA)):
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self.assertTrue(crypt.verify_signature('/keydir/keyname.pub', MSG, SIG))
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@skipIf(NO_MOCK, NO_MOCK_REASON)
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@skipIf(not HAS_M2, 'm2crypto is not available')
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class M2CryptTestCase(TestCase):
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@patch('os.umask', MagicMock())
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@patch('os.chmod', MagicMock())
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@patch('os.access', MagicMock(return_value=True))
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def test_gen_keys(self):
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with patch('M2Crypto.RSA.RSA.save_pem', MagicMock()) as save_pem:
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with patch('M2Crypto.RSA.RSA.save_pub_key', MagicMock()) as save_pub:
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with patch('os.path.isfile', return_value=True):
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self.assertEqual(crypt.gen_keys('/keydir', 'keyname', 2048),
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'/keydir{0}keyname.pem'.format(os.sep))
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save_pem.assert_not_called()
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save_pub.assert_not_called()
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with patch('os.path.isfile', return_value=False):
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self.assertEqual(crypt.gen_keys('/keydir', 'keyname', 2048),
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'/keydir{0}keyname.pem'.format(os.sep))
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save_pem.assert_called_once_with('/keydir{0}keyname.pem'.format(os.sep), cipher=None)
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save_pub.assert_called_once_with('/keydir{0}keyname.pub'.format(os.sep))
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@patch('os.umask', MagicMock())
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@patch('os.chmod', MagicMock())
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@patch('os.chown', MagicMock())
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@patch('os.access', MagicMock(return_value=True))
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def test_gen_keys_with_passphrase(self):
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with patch('M2Crypto.RSA.RSA.save_pem', MagicMock()) as save_pem:
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with patch('M2Crypto.RSA.RSA.save_pub_key', MagicMock()) as save_pub:
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with patch('os.path.isfile', return_value=True):
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self.assertEqual(crypt.gen_keys('/keydir', 'keyname', 2048, passphrase='password'),
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'/keydir{0}keyname.pem'.format(os.sep))
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save_pem.assert_not_called()
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save_pub.assert_not_called()
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with patch('os.path.isfile', return_value=False):
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self.assertEqual(crypt.gen_keys('/keydir', 'keyname', 2048, passphrase='password'),
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'/keydir{0}keyname.pem'.format(os.sep))
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callback = save_pem.call_args[1]['callback']
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save_pem.assert_called_once_with('/keydir{0}keyname.pem'.format(os.sep),
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cipher='des_ede3_cbc',
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callback=callback)
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self.assertEqual(callback(None), b'password')
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save_pub.assert_called_once_with('/keydir{0}keyname.pub'.format(os.sep))
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def test_sign_message(self):
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key = M2Crypto.RSA.load_key_string(six.b(PRIVKEY_DATA))
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with patch('salt.crypt.get_rsa_key', return_value=key):
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self.assertEqual(SIG, salt.crypt.sign_message('/keydir/keyname.pem', MSG))
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def test_sign_message_with_passphrase(self):
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key = M2Crypto.RSA.load_key_string(six.b(PRIVKEY_DATA))
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with patch('salt.crypt.get_rsa_key', return_value=key):
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self.assertEqual(SIG, crypt.sign_message('/keydir/keyname.pem', MSG, passphrase='password'))
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def test_verify_signature(self):
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with patch('salt.utils.files.fopen', mock_open(read_data=six.b(PUBKEY_DATA))):
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self.assertTrue(crypt.verify_signature('/keydir/keyname.pub', MSG, SIG))
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def test_encrypt_decrypt_bin(self):
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priv_key = M2Crypto.RSA.load_key_string(six.b(PRIVKEY_DATA))
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pub_key = M2Crypto.RSA.load_pub_key_bio(M2Crypto.BIO.MemoryBuffer(six.b(PUBKEY_DATA)))
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encrypted = salt.crypt.private_encrypt(priv_key, b'salt')
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decrypted = salt.crypt.public_decrypt(pub_key, encrypted)
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self.assertEqual(b'salt', decrypted)
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class TestBadCryptodomePubKey(TestCase):
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'''
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Test that we can load public keys exported by pycrpytodome<=3.4.6
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'''
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TEST_KEY = (
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'-----BEGIN RSA PUBLIC KEY-----\n'
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'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzLtFhsvfbFDFaUgulSEX\n'
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'Gl12XriL1DT78Ef2/u8HHaSMmPie37BLWas/zaHwI6066bIyYQJ/nUCahTaoHM7L\n'
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'GlWc0wOU6zyfpihCRQHil05Y6F+olFBoZuYbFPvtp7/hJx/D7I/0n2o/c7M5i3Y2\n'
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'3sBxAYNooIQHXHUmPQW6C9iu95ylZDW8JQzYy/EI4vCC8yQMdTK8jK1FQV0Sbwny\n'
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'qcMxSyAWDoFbnhh2P2TnO8HOWuUOaXR8ZHOJzVcDl+a6ew+medW090x3K5O1f80D\n'
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'+WjgnG6b2HG7VQpOCfM2GALD/FrxicPilvZ38X1aLhJuwjmVE4LAAv8DVNJXohaO\n'
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'WQIDAQAB\n'
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'-----END RSA PUBLIC KEY-----\n'
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)
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def setUp(self):
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self.test_dir = tempfile.mkdtemp()
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self.key_path = os.path.join(self.test_dir, 'cryptodom-3.4.6.pub')
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with salt.utils.files.fopen(self.key_path, 'wb') as fd:
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fd.write(self.TEST_KEY.encode())
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def tearDown(self):
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shutil.rmtree(self.test_dir)
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@skipIf(not HAS_M2, "Skip when m2crypto is not installed")
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def test_m2_bad_key(self):
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'''
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Load public key with an invalid header using m2crypto and validate it
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'''
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key = salt.crypt.get_rsa_pub_key(self.key_path)
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assert key.check_key() == 1
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@skipIf(HAS_M2, "Skip when m2crypto is installed")
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def test_crypto_bad_key(self):
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'''
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Load public key with an invalid header and validate it without m2crypto
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'''
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key = salt.crypt.get_rsa_pub_key(self.key_path)
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assert key.can_encrypt()
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class TestM2CryptoRegression47124(TestCase):
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SIGNATURE = (
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b'w\xac\xfe18o\xeb\xfb\x14+\x9e\xd1\xb7\x7fe}\xec\xd6\xe1P\x9e\xab'
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b'\xb5\x07\xe0\xc1\xfd\xda#\x04Z\x8d\x7f\x0b\x1f}:~\xb2s\x860u\x02N'
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b'\xd4q"\xb7\x86*\x8f\x1f\xd0\x9d\x11\x92\xc5~\xa68\xac>\x12H\xc2%y,'
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b'\xe6\xceU\x1e\xa3?\x0c,\xf0u\xbb\xd0[g_\xdd\x8b\xb0\x95:Y\x18\xa5*'
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b'\x99\xfd\xf3K\x92\x92 ({\xd1\xff\xd9F\xc8\xd6K\x86e\xf9\xa8\xad\xb0z'
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b'\xe3\x9dD\xf5k\x8b_<\xe7\xe7\xec\xf3"\'\xd5\xd2M\xb4\xce\x1a\xe3$'
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b'\x9c\x81\xad\xf9\x11\xf6\xf5>)\xc7\xdd\x03&\xf7\x86@ks\xa6\x05\xc2'
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b'\xd0\xbd\x1a7\xfc\xde\xe6\xb0\xad!\x12#\xc86Y\xea\xc5\xe3\xe2\xb3'
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b'\xc9\xaf\xfa\x0c\xf2?\xbf\x93w\x18\x9e\x0b\xa2a\x10:M\x05\x89\xe2W.Q'
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b'\xe8;yGT\xb1\xf2\xc6A\xd2\xc4\xbeN\xb3\xcfS\xaf\x03f\xe2\xb4)\xe7\xf6'
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b'\xdbs\xd0Z}8\xa4\xd2\x1fW*\xe6\x1c"\x8b\xd0\x18w\xb9\x7f\x9e\x96\xa3'
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b'\xd9v\xf7\x833\x8e\x01'
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)
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@skipIf(not HAS_M2, "Skip when m2crypto is not installed")
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def test_m2crypto_verify_bytes(self):
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message = salt.utils.stringutils.to_unicode('meh')
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with patch('salt.utils.files.fopen', mock_open(read_data=six.b(PUBKEY_DATA))):
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salt.crypt.verify_signature('/keydir/keyname.pub', message, self.SIGNATURE)
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@skipIf(not HAS_M2, "Skip when m2crypto is not installed")
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def test_m2crypto_verify_unicode(self):
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message = salt.utils.stringutils.to_bytes('meh')
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with patch('salt.utils.files.fopen', mock_open(read_data=six.b(PUBKEY_DATA))):
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salt.crypt.verify_signature('/keydir/keyname.pub', message, self.SIGNATURE)
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@skipIf(not HAS_M2, "Skip when m2crypto is not installed")
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def test_m2crypto_sign_bytes(self):
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message = salt.utils.stringutils.to_unicode('meh')
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key = M2Crypto.RSA.load_key_string(six.b(PRIVKEY_DATA))
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with patch('salt.crypt.get_rsa_key', return_value=key):
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signature = salt.crypt.sign_message('/keydir/keyname.pem', message, passphrase='password')
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self.assertEqual(signature, self.SIGNATURE)
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@skipIf(not HAS_M2, "Skip when m2crypto is not installed")
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def test_m2crypto_sign_unicode(self):
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message = salt.utils.stringutils.to_bytes('meh')
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key = M2Crypto.RSA.load_key_string(six.b(PRIVKEY_DATA))
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with patch('salt.crypt.get_rsa_key', return_value=key):
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signature = salt.crypt.sign_message('/keydir/keyname.pem', message, passphrase='password')
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self.assertEqual(signature, self.SIGNATURE)
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