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#!/usr/bin/env python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# This script exists to generate the Certificate Authority and server
# certificates used for SSL testing in Mochitest. The already generated
# certs are located at $topsrcdir/build/pgo/certs/ .
import os
import random
import re
import shutil
import subprocess
import sys
from distutils.spawn import find_executable
import mozinfo
from mozbuild.base import BinaryNotFoundException, MozbuildObject
from mozfile import NamedTemporaryFile, TemporaryDirectory
from mozprofile.permissions import ServerLocations
dbFiles = [
re.compile("^cert[0-9]+\.db$"),
re.compile("^key[0-9]+\.db$"),
re.compile("^secmod\.db$"),
]
def unlinkDbFiles(path):
for root, dirs, files in os.walk(path):
for name in files:
for dbFile in dbFiles:
if dbFile.match(name) and os.path.exists(os.path.join(root, name)):
os.unlink(os.path.join(root, name))
def dbFilesExist(path):
for root, dirs, files in os.walk(path):
for name in files:
for dbFile in dbFiles:
if dbFile.match(name) and os.path.exists(os.path.join(root, name)):
return True
return False
def runUtil(util, args, inputdata=None, outputstream=None):
env = os.environ.copy()
if mozinfo.os == "linux":
pathvar = "LD_LIBRARY_PATH"
app_path = os.path.dirname(util)
if pathvar in env:
env[pathvar] = "%s%s%s" % (app_path, os.pathsep, env[pathvar])
else:
env[pathvar] = app_path
proc = subprocess.Popen(
[util] + args,
env=env,
stdin=subprocess.PIPE if inputdata else None,
stdout=outputstream,
universal_newlines=True,
)
proc.communicate(inputdata)
return proc.returncode
def createRandomFile(randomFile):
for count in xrange(0, 2048):
randomFile.write(chr(random.randint(0, 255)))
def writeCertspecForServerLocations(fd):
locations = ServerLocations(
os.path.join(build.topsrcdir, "build", "pgo", "server-locations.txt")
)
SAN = []
for loc in [
i for i in iter(locations) if i.scheme == "https" and "nocert" not in i.options
]:
customCertOption = False
customCertRE = re.compile("^cert=(?:\w+)")
for _ in [i for i in loc.options if customCertRE.match(i)]:
customCertOption = True
break
if "ipV4Address" in loc.options:
loc.host = "ip4:" + loc.host
if not customCertOption:
SAN.append(loc.host)
fd.write(
"issuer:printableString/CN=Temporary Certificate Authority/O=Mozilla Testing/OU=Profile Guided Optimization\n" # NOQA: E501
)
fd.write("subject:{}\n".format(SAN[0]))
fd.write("extension:subjectAlternativeName:{}\n".format(",".join(SAN)))
def constructCertDatabase(build, srcDir):
try:
certutil = build.get_binary_path(what="certutil")
pk12util = build.get_binary_path(what="pk12util")
except BinaryNotFoundException as e:
print("{}\n\n{}\n".format(e, e.help()))
return 1
openssl = find_executable("openssl")
pycert = os.path.join(build.topsrcdir, "security", "manager", "tools", "pycert.py")
pykey = os.path.join(build.topsrcdir, "security", "manager", "tools", "pykey.py")
with NamedTemporaryFile(mode="wt+") as pwfile, TemporaryDirectory() as pemfolder:
pwfile.write("\n")
pwfile.flush()
if dbFilesExist(srcDir):
# Make sure all DB files from src are really deleted
unlinkDbFiles(srcDir)
# Copy all .certspec and .keyspec files to a temporary directory
for root, dirs, files in os.walk(srcDir):
for spec in [
i for i in files if i.endswith(".certspec") or i.endswith(".keyspec")
]:
shutil.copyfile(os.path.join(root, spec), os.path.join(pemfolder, spec))
# Write a certspec for the "server-locations.txt" file to that temporary directory
pgoserver_certspec = os.path.join(pemfolder, "pgoserver.certspec")
if os.path.exists(pgoserver_certspec):
raise Exception(
"{} already exists, which isn't allowed".format(pgoserver_certspec)
)
with open(pgoserver_certspec, "w") as fd:
writeCertspecForServerLocations(fd)
# Generate certs for all certspecs
for root, dirs, files in os.walk(pemfolder):
for certspec in [i for i in files if i.endswith(".certspec")]:
name = certspec.split(".certspec")[0]
pem = os.path.join(pemfolder, "{}.cert.pem".format(name))
print("Generating public certificate {} (pem={})".format(name, pem))
with open(os.path.join(root, certspec), "r") as certspec_file:
certspec_data = certspec_file.read()
with open(pem, "w") as pem_file:
status = runUtil(
pycert, [], inputdata=certspec_data, outputstream=pem_file
)
if status:
return status
status = runUtil(
certutil,
[
"-A",
"-n",
name,
"-t",
"P,,",
"-i",
pem,
"-d",
srcDir,
"-f",
pwfile.name,
],
)
if status:
return status
for keyspec in [i for i in files if i.endswith(".keyspec")]:
parts = keyspec.split(".")
name = parts[0]
key_type = parts[1]
if key_type not in ["ca", "client", "server"]:
raise Exception(
"{}: keyspec filenames must be of the form XXX.client.keyspec "
"or XXX.ca.keyspec (key_type={})".format(keyspec, key_type)
)
key_pem = os.path.join(pemfolder, "{}.key.pem".format(name))
print("Generating private key {} (pem={})".format(name, key_pem))
with open(os.path.join(root, keyspec), "r") as keyspec_file:
keyspec_data = keyspec_file.read()
with open(key_pem, "w") as pem_file:
status = runUtil(
pykey, [], inputdata=keyspec_data, outputstream=pem_file
)
if status:
return status
cert_pem = os.path.join(pemfolder, "{}.cert.pem".format(name))
if not os.path.exists(cert_pem):
raise Exception(
"There has to be a corresponding certificate named {} for "
"the keyspec {}".format(cert_pem, keyspec)
)
p12 = os.path.join(pemfolder, "{}.key.p12".format(name))
print(
"Converting private key {} to PKCS12 (p12={})".format(key_pem, p12)
)
status = runUtil(
openssl,
[
"pkcs12",
"-export",
"-inkey",
key_pem,
"-in",
cert_pem,
"-name",
name,
"-out",
p12,
"-passout",
"file:" + pwfile.name,
],
)
if status:
return status
print("Importing private key {} to database".format(key_pem))
status = runUtil(
pk12util,
["-i", p12, "-d", srcDir, "-w", pwfile.name, "-k", pwfile.name],
)
if status:
return status
if key_type == "ca":
shutil.copyfile(
cert_pem, os.path.join(srcDir, "{}.ca".format(name))
)
elif key_type == "client":
shutil.copyfile(p12, os.path.join(srcDir, "{}.client".format(name)))
elif key_type == "server":
pass # Nothing to do for server keys
else:
raise Exception(
"State error: Unknown keyspec key_type: {}".format(key_type)
)
return 0
build = MozbuildObject.from_environment()
certdir = os.path.join(build.topsrcdir, "build", "pgo", "certs")
certificateStatus = constructCertDatabase(build, certdir)
if certificateStatus:
print("TEST-UNEXPECTED-FAIL | SSL Server Certificate generation")
sys.exit(certificateStatus)
|
