1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
# Copyright (C) 2006-2007 Robey Pointer <robeypointer@gmail.com>
#
# This file is part of paramiko.
#
# Paramiko is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2.1 of the License, or (at your option)
# any later version.
#
# Paramiko is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
"""
Some unit tests for HostKeys.
"""
from binascii import hexlify
import os
import unittest
import paramiko
from paramiko.py3compat import decodebytes
test_hosts_file = """\
secure.example.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA1PD6U2/TVxET6lkpKhOk5r\
9q/kAYG6sP9f5zuUYP8i7FOFp/6ncCEbbtg/lB+A3iidyxoSWl+9jtoyyDOOVX4UIDV9G11Ml8om3\
D+jrpI9cycZHqilK0HmxDeCuxbwyMuaCygU9gS2qoRvNLWZk70OpIKSSpBo0Wl3/XUmz9uhc=
broken.example.com ssh-rsa AAAA
happy.example.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA8bP1ZA7DCZDB9J0s50l31M\
BGQ3GQ/Fc7SX6gkpXkwcZryoi4kNFhHu5LvHcZPdxXV1D+uTMfGS1eyd2Yz/DoNWXNAl8TI0cAsW\
5ymME3bQ4J/k1IKxCtz/bAlAqFgKoc+EolMziDYqWIATtW0rYTJvzGAzTmMj80/QpsFH+Pc2M=
"""
keyblob = b"""\
AAAAB3NzaC1yc2EAAAABIwAAAIEA8bP1ZA7DCZDB9J0s50l31MBGQ3GQ/Fc7SX6gkpXkwcZryoi4k\
NFhHu5LvHcZPdxXV1D+uTMfGS1eyd2Yz/DoNWXNAl8TI0cAsW5ymME3bQ4J/k1IKxCtz/bAlAqFgK\
oc+EolMziDYqWIATtW0rYTJvzGAzTmMj80/QpsFH+Pc2M="""
keyblob_dss = b"""\
AAAAB3NzaC1kc3MAAACBAOeBpgNnfRzr/twmAQRu2XwWAp3CFtrVnug6s6fgwj/oLjYbVtjAy6pl/\
h0EKCWx2rf1IetyNsTxWrniA9I6HeDj65X1FyDkg6g8tvCnaNB8Xp/UUhuzHuGsMIipRxBxw9LF60\
8EqZcj1E3ytktoW5B5OcjrkEoz3xG7C+rpIjYvAAAAFQDwz4UnmsGiSNu5iqjn3uTzwUpshwAAAIE\
AkxfFeY8P2wZpDjX0MimZl5wkoFQDL25cPzGBuB4OnB8NoUk/yjAHIIpEShw8V+LzouMK5CTJQo5+\
Ngw3qIch/WgRmMHy4kBq1SsXMjQCte1So6HBMvBPIW5SiMTmjCfZZiw4AYHK+B/JaOwaG9yRg2Ejg\
4Ok10+XFDxlqZo8Y+wAAACARmR7CCPjodxASvRbIyzaVpZoJ/Z6x7dAumV+ysrV1BVYd0lYukmnjO\
1kKBWApqpH1ve9XDQYN8zgxM4b16L21kpoWQnZtXrY3GZ4/it9kUgyB7+NwacIBlXa8cMDL7Q/69o\
0d54U0X/NeX5QxuYR6OMJlrkQB7oiW/P/1mwjQgE="""
class HostKeysTest(unittest.TestCase):
def setUp(self):
with open("hostfile.temp", "w") as f:
f.write(test_hosts_file)
def tearDown(self):
os.unlink("hostfile.temp")
def test_load(self):
hostdict = paramiko.HostKeys("hostfile.temp")
self.assertEqual(2, len(hostdict))
self.assertEqual(1, len(list(hostdict.values())[0]))
self.assertEqual(1, len(list(hostdict.values())[1]))
fp = hexlify(
hostdict["secure.example.com"]["ssh-rsa"].get_fingerprint()
).upper()
self.assertEqual(b"E6684DB30E109B67B70FF1DC5C7F1363", fp)
def test_add(self):
hostdict = paramiko.HostKeys("hostfile.temp")
hh = "|1|BMsIC6cUIP2zBuXR3t2LRcJYjzM=|hpkJMysjTk/+zzUUzxQEa2ieq6c="
key = paramiko.RSAKey(data=decodebytes(keyblob))
hostdict.add(hh, "ssh-rsa", key)
self.assertEqual(3, len(list(hostdict)))
x = hostdict["foo.example.com"]
fp = hexlify(x["ssh-rsa"].get_fingerprint()).upper()
self.assertEqual(b"7EC91BB336CB6D810B124B1353C32396", fp)
self.assertTrue(hostdict.check("foo.example.com", key))
def test_dict(self):
hostdict = paramiko.HostKeys("hostfile.temp")
self.assertTrue("secure.example.com" in hostdict)
self.assertTrue("not.example.com" not in hostdict)
self.assertTrue("secure.example.com" in hostdict)
self.assertTrue("not.example.com" not in hostdict)
x = hostdict.get("secure.example.com", None)
self.assertTrue(x is not None)
fp = hexlify(x["ssh-rsa"].get_fingerprint()).upper()
self.assertEqual(b"E6684DB30E109B67B70FF1DC5C7F1363", fp)
i = 0
for key in hostdict:
i += 1
self.assertEqual(2, i)
def test_dict_set(self):
hostdict = paramiko.HostKeys("hostfile.temp")
key = paramiko.RSAKey(data=decodebytes(keyblob))
key_dss = paramiko.DSSKey(data=decodebytes(keyblob_dss))
hostdict["secure.example.com"] = {"ssh-rsa": key, "ssh-dss": key_dss}
hostdict["fake.example.com"] = {}
hostdict["fake.example.com"]["ssh-rsa"] = key
self.assertEqual(3, len(hostdict))
self.assertEqual(2, len(list(hostdict.values())[0]))
self.assertEqual(1, len(list(hostdict.values())[1]))
self.assertEqual(1, len(list(hostdict.values())[2]))
fp = hexlify(
hostdict["secure.example.com"]["ssh-rsa"].get_fingerprint()
).upper()
self.assertEqual(b"7EC91BB336CB6D810B124B1353C32396", fp)
fp = hexlify(
hostdict["secure.example.com"]["ssh-dss"].get_fingerprint()
).upper()
self.assertEqual(b"4478F0B9A23CC5182009FF755BC1D26C", fp)
def test_delitem(self):
hostdict = paramiko.HostKeys("hostfile.temp")
target = "happy.example.com"
hostdict[target] # will KeyError if not present
del hostdict[target]
try:
hostdict[target]
except KeyError:
pass # Good
else:
assert False, "Entry was not deleted from HostKeys on delitem!"
|
