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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
"""Make the custom certificate and private key files used by test_ssl
and friends."""
import os
import shutil
import sys
import tempfile
from subprocess import *
req_template = """
[req]
distinguished_name = req_distinguished_name
x509_extensions = req_x509_extensions
prompt = no
[req_distinguished_name]
C = XY
L = Castle Anthrax
O = Python Software Foundation
CN = {hostname}
[req_x509_extensions]
subjectAltName = DNS:{hostname}
[ ca ]
default_ca = CA_default
[ CA_default ]
dir = cadir
database = $dir/index.txt
crlnumber = $dir/crl.txt
default_md = sha1
default_days = 3600
default_crl_days = 3600
certificate = pycacert.pem
private_key = pycakey.pem
serial = $dir/serial
RANDFILE = $dir/.rand
policy = policy_match
[ policy_match ]
countryName = match
stateOrProvinceName = optional
organizationName = match
organizationalUnitName = optional
commonName = supplied
emailAddress = optional
[ policy_anything ]
countryName = optional
stateOrProvinceName = optional
localityName = optional
organizationName = optional
organizationalUnitName = optional
commonName = supplied
emailAddress = optional
[ v3_ca ]
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid:always,issuer
basicConstraints = CA:true
"""
here = os.path.abspath(os.path.dirname(__file__))
def make_cert_key(hostname, sign=False):
print("creating cert for " + hostname)
tempnames = []
for i in range(3):
with tempfile.NamedTemporaryFile(delete=False) as f:
tempnames.append(f.name)
req_file, cert_file, key_file = tempnames
try:
with open(req_file, 'w') as f:
f.write(req_template.format(hostname=hostname))
args = ['req', '-new', '-days', '3650', '-nodes',
'-newkey', 'rsa:1024', '-keyout', key_file,
'-config', req_file]
if sign:
with tempfile.NamedTemporaryFile(delete=False) as f:
tempnames.append(f.name)
reqfile = f.name
args += ['-out', reqfile ]
else:
args += ['-x509', '-out', cert_file ]
check_call(['openssl'] + args)
if sign:
args = ['ca', '-config', req_file, '-out', cert_file, '-outdir', 'cadir',
'-policy', 'policy_anything', '-batch', '-infiles', reqfile ]
check_call(['openssl'] + args)
with open(cert_file, 'r') as f:
cert = f.read()
with open(key_file, 'r') as f:
key = f.read()
return cert, key
finally:
for name in tempnames:
os.remove(name)
TMP_CADIR = 'cadir'
def unmake_ca():
shutil.rmtree(TMP_CADIR)
def make_ca():
os.mkdir(TMP_CADIR)
with open(os.path.join('cadir','index.txt'),'a+') as f:
pass # empty file
with open(os.path.join('cadir','crl.txt'),'a+') as f:
r.write("00")
with open(os.path.join('cadir','index.txt.attr'),'w+') as f:
f.write('unique_subject = no')
with tempfile.NamedTemporaryFile("w") as t:
t.write(req_template.format(hostname='our-ca-server'))
t.flush()
with tempfile.NamedTemporaryFile() as f:
args = ['req', '-new', '-days', '3650', '-extensions', 'v3_ca', '-nodes',
'-newkey', 'rsa:2048', '-keyout', 'pycakey.pem',
'-out', f.name,
'-subj', '/C=XY/L=Castle Anthrax/O=Python Software Foundation CA/CN=our-ca-server']
check_call(['openssl'] + args)
args = ['ca', '-config', t.name, '-create_serial',
'-out', 'pycacert.pem', '-batch', '-outdir', TMP_CADIR,
'-keyfile', 'pycakey.pem', '-days', '3650',
'-selfsign', '-extensions', 'v3_ca', '-infiles', f.name ]
check_call(['openssl'] + args)
args = ['ca', '-config', t.name, '-gencrl', '-out', 'revocation.crl']
check_call(['openssl'] + args)
if __name__ == '__main__':
os.chdir(here)
cert, key = make_cert_key('localhost')
with open('ssl_cert.pem', 'w') as f:
f.write(cert)
with open('ssl_key.pem', 'w') as f:
f.write(key)
print("password protecting ssl_key.pem in ssl_key.passwd.pem")
check_call(['openssl','rsa','-in','ssl_key.pem','-out','ssl_key.passwd.pem','-des3','-passout','pass:somepass'])
check_call(['openssl','rsa','-in','ssl_key.pem','-out','keycert.passwd.pem','-des3','-passout','pass:somepass'])
with open('keycert.pem', 'w') as f:
f.write(key)
f.write(cert)
with open('keycert.passwd.pem', 'a+') as f:
f.write(cert)
# For certificate matching tests
make_ca()
cert, key = make_cert_key('fakehostname')
with open('keycert2.pem', 'w') as f:
f.write(key)
f.write(cert)
cert, key = make_cert_key('localhost', True)
with open('keycert3.pem', 'w') as f:
f.write(key)
f.write(cert)
cert, key = make_cert_key('fakehostname', True)
with open('keycert4.pem', 'w') as f:
f.write(key)
f.write(cert)
unmake_ca()
print("\n\nPlease change the values in test_ssl.py, test_parse_cert function related to notAfter,notBefore and serialNumber")
check_call(['openssl','x509','-in','keycert.pem','-dates','-serial','-noout'])
|
