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#! /usr/bin/env python
import sys
import os
import stat
import argparse
import yaml
import subprocess
import shutil
def run_openssl(args):
p = subprocess.Popen(['openssl'] + args, stderr=subprocess.PIPE)
(_, out_stderr) = p.communicate()
if p.returncode == 0:
return True
print >>sys.stderr, "openssl %s failure: %d: %s" % \
(args, p.returncode, out_stderr)
return False
def make_eckey(name):
privkey = '%s-private.pem' % name
pubkey = '%s.pem' % name
if os.access(privkey, os.R_OK) and os.access(pubkey, os.R_OK):
return True
print "creating EC key \"%s\"" % name
ecparam_args = ['ecparam', '-name', 'prime256v1', '-genkey', '-noout',
'-out', privkey]
if not run_openssl(ecparam_args):
return False
os.chmod(privkey, stat.S_IRUSR | stat.S_IWUSR)
ec_args = ['ec', '-in', privkey, '-pubout', '-out', pubkey]
if not run_openssl(ec_args):
return False
return True
def make_ca(logname, cakey, cacert):
os.makedirs('./demoCA/newcerts', 0700)
f = open('./demoCA/index.txt', 'w')
f.close()
f = open('./demoCA/serial', 'w')
f.write('00\n')
f.close()
f = open('caconfig.txt', 'w')
f.write('[ req ]\n')
f.write('distinguished_name = req_distinguished_name\n')
f.write('x509_extensions = v3_ca\n')
f.write('string_mask = utf8only\n')
f.write('[ req_distinguished_name ]\n')
f.write('[ v3_ca ]\n')
f.write('basicConstraints=CA:true\n')
f.close()
subject = '/countryName=II/stateOrProvinceName=internets/organizationName=%s/commonName=ca' % logname
req_args = ['req', '-newkey', 'rsa:2048', '-keyout', cakey, '-out',
'req.csr', '-nodes', '-subj', subject, '-config', 'caconfig.txt']
if not run_openssl(req_args):
return False
os.chmod(cakey, stat.S_IRUSR)
ca_args = ['ca', '-in', 'req.csr', '-selfsign', '-keyfile', cakey,
'-out', cacert, '-batch']
if not run_openssl(ca_args):
return False
return True
def make_certs(logname, nodenames):
wdir = './httpscerts'
if not os.access(wdir, os.F_OK):
os.mkdir(wdir)
os.chdir(wdir)
ca_key = './cakey.pem'
ca_cert = './demoCA/cacert.pem'
if not os.access(ca_key, os.R_OK) or not os.access(ca_cert, os.R_OK):
if not make_ca(logname, ca_key, ca_cert):
return False
for nodename in nodenames:
key = './%s-key.pem' % nodename
csr = './%s.csr' % nodename
cert = './%s.pem' % nodename
subject = '/countryName=II/stateOrProvinceName=internets/organizationName=%s/CN=%s' % (logname, nodename)
if os.access(key, os.R_OK) and os.access(cert, os.R_OK):
continue
print "creating cert for node %s" % nodename
req_args = ['req', '-new', '-newkey', 'rsa:2048', '-keyout', key,
'-out', csr, '-nodes', '-subj', subject]
if not run_openssl(req_args):
return False
ca_args = ['ca', '-in', csr, '-keyfile', ca_key, '-out', cert, '-batch']
if not run_openssl(ca_args):
return False
shutil.copy(ca_cert, '../nodes/%s/cacert.pem' % nodename)
shutil.copy(cert, '../nodes/%s/webcert-%s.pem' % (nodename, nodename))
shutil.copy(key, '../nodes/%s/webkey-%s.pem' % (nodename, nodename))
os.chdir('..')
return True
def make_authkeys(nodenames):
wdir = './publickeys'
if not os.access(wdir, os.F_OK):
os.mkdir(wdir)
os.chdir(wdir)
for nodename in nodenames:
if not make_eckey(nodename):
return False
dst = '../nodes/%s/%s-private.pem' % (nodename, nodename)
if os.access(dst, os.F_OK) and not os.access(dst, os.W_OK):
os.chmod(dst, stat.S_IWUSR)
shutil.move('%s-private.pem' % nodename, dst)
for nodename in nodenames:
dst = '../nodes/%s/publickeys' % nodename
shutil.rmtree(dst, ignore_errors=True)
shutil.copytree('.', dst)
os.chdir('..')
return True
def copy_logkey(logname, nodenames):
for nodename in nodenames:
shutil.copy('%s.pem' % logname, 'nodes/%s/' % nodename)
def create_destdirs(logname, nodenames):
for nodename in nodenames:
d = 'nodes/%s' % nodename
if not os.access(d, os.F_OK):
os.makedirs(d)
def main():
parser = argparse.ArgumentParser(description="")
parser.add_argument('config', help="System configuration")
parser.add_argument('--logname', help="Log name", default="mylog")
args = parser.parse_args()
logname = args.logname
config = yaml.load(open(args.config))
nodenames = [node["name"] for node in
config["frontendnodes"] +
config["storagenodes"] +
config["signingnodes"]]
mergenodenames = [node["name"] for node in config["mergenodes"]]
create_destdirs(logname, nodenames + mergenodenames)
make_eckey(logname)
copy_logkey(logname, nodenames + mergenodenames)
make_certs(logname, nodenames)
make_authkeys(nodenames + mergenodenames)
main()
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