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|
#
# SSL Certificate creation in the test environment
#
import subprocess
import os, os.path, time, shutil
class SSLCert:
"""
Calls openssl to generate SSL certificates and sign them.
"""
def __init__(self, directory, basename, CN):
self.directory = directory
self.basename = basename
self.CN = CN
self.csr = None
self.key = None
self.crt = None
self.rootKey = None
self.rootCert = None
self.crl = None
self.sudo_mkdir_p()
def sudo_mkdir_p(self):
if os.path.isdir(self.directory):
return True
p = subprocess.Popen(
[
"sudo",
"-E",
"-u",
os.getenv("USER"),
"env",
"PATH=" + os.getenv("PATH"),
"mkdir",
"-p",
self.directory,
]
)
assert p.wait() == 0
def create_root_cert(self):
# avoid bugs where we overwrite certificates in a given directory
assert self.csr is None
assert self.crt is None
assert self.key is None
self.csr = os.path.join(self.directory, "%s.csr" % self.basename)
self.key = os.path.join(self.directory, "%s.key" % self.basename)
self.crt = os.path.join(self.directory, "%s.crt" % self.basename)
# first create a certificate signing request (CSR) and a public/private
# key file
print()
p = subprocess.Popen(
[
"sudo",
"-E",
"-u",
os.getenv("USER"),
"env",
"PATH=" + os.getenv("PATH"),
"openssl",
"req",
"-new",
"-nodes",
"-text",
"-out",
self.csr,
"-keyout",
self.key,
"-subj",
self.CN,
]
)
assert p.wait() == 0
p = subprocess.Popen(["chmod", "og-rwx", self.key])
assert p.wait() == 0
# Then, sign the request with the key to create a root certificate
# authority
p = subprocess.Popen(
[
"sudo",
"-E",
"-u",
os.getenv("USER"),
"env",
"PATH=" + os.getenv("PATH"),
"openssl",
"x509",
"-req",
"-in",
self.csr,
"-text",
"-days",
"3650",
"-extfile",
"/etc/ssl/openssl.cnf",
"-extensions",
"v3_ca",
"-signkey",
self.key,
"-out",
self.crt,
]
)
assert p.wait() == 0
def create_signed_certificate(self, rootSSLCert):
# avoid bugs where we overwrite certificates in a given directory
assert self.csr is None
assert self.crt is None
assert self.key is None
self.rootKey = rootSSLCert.key
self.rootCert = rootSSLCert.crt
self.crl = rootSSLCert.crl
self.crt = os.path.join(self.directory, "%s.crt" % self.basename)
self.csr = os.path.join(self.directory, "%s.csr" % self.basename)
self.key = os.path.join(self.directory, "%s.key" % self.basename)
p = subprocess.Popen(
[
"sudo",
"-E",
"-u",
os.getenv("USER"),
"env",
"PATH=" + os.getenv("PATH"),
"openssl",
"req",
"-new",
"-nodes",
"-text",
"-out",
self.csr,
"-keyout",
self.key,
"-subj",
self.CN,
]
)
assert p.wait() == 0
p = subprocess.Popen(["chmod", "og-rwx", self.key])
assert p.wait() == 0
p = subprocess.Popen(
[
"sudo",
"-E",
"-u",
os.getenv("USER"),
"env",
"PATH=" + os.getenv("PATH"),
"openssl",
"x509",
"-req",
"-in",
self.csr,
"-text",
"-days",
"365",
"-CA",
self.rootCert,
"-CAkey",
self.rootKey,
"-CAcreateserial",
"-out",
self.crt,
]
)
assert p.wait() == 0
print("openssl verify -CAfile %s %s" % (self.rootCert, self.crt))
p = subprocess.Popen(
[
"sudo",
"-E",
"-u",
os.getenv("USER"),
"env",
"PATH=" + os.getenv("PATH"),
"openssl",
"verify",
"-show_chain",
"-CAfile",
self.rootCert,
self.crt,
]
)
assert p.wait() == 0
|
