summaryrefslogtreecommitdiffstats
path: root/Lib/test/make_ssl_certs.py
blob: e4326d7b33516595702ed21efd385a50921d0e15 (plain)
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
"""Make the custom certificate and private key files used by test_ssl
and friends."""

import os
import shutil
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:
        f.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'])