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#
# Copyright (C) 2019 IPA Project Contributors, see COPYING for license
#
"""Export / import cert and key from NSS DB as PKCS#12 data
"""
import base64
import json
import os
from ipaplatform.paths import paths
from ipapython import ipautil
from ipapython.certdb import NSSDatabase
from . import common
def export_key(args, tmpdir):
"""Export key and certificate from the NSS DB to a PKCS#12 file.
The PKCS#12 file is encrypted with a password.
"""
pk12file = os.path.join(tmpdir, 'export.p12')
password = ipautil.ipa_generate_password()
pk12pk12pwfile = os.path.join(tmpdir, 'passwd')
with open(pk12pk12pwfile, 'w') as f:
f.write(password)
nssdb = NSSDatabase(args.nssdb_path)
nssdb.run_pk12util([
"-o", pk12file,
"-n", args.nickname,
"-k", args.nssdb_pwdfile,
"-w", pk12pk12pwfile,
])
with open(pk12file, 'rb') as f:
p12data = f.read()
data = {
'export password': password,
'pkcs12 data': p12data,
}
common.json_dump(data, args.exportfile)
def import_key(args, tmpdir):
"""Import key and certificate from a PKCS#12 file to a NSS DB.
"""
data = json.load(args.importfile)
password = data['export password']
p12data = base64.b64decode(data['pkcs12 data'])
pk12pwfile = os.path.join(tmpdir, 'passwd')
with open(pk12pwfile, 'w') as f:
f.write(password)
pk12file = os.path.join(tmpdir, 'import.p12')
with open(pk12file, 'wb') as f:
f.write(p12data)
nssdb = NSSDatabase(args.nssdb_path)
nssdb.run_pk12util([
"-i", pk12file,
"-n", args.nickname,
"-k", args.nssdb_pwdfile,
"-w", pk12pwfile,
])
def default_parser():
"""Generic interface
"""
parser = common.mkparser(
description='ipa-custodia NSS cert handler'
)
parser.add_argument(
'--nssdb',
dest='nssdb_path',
help='path to NSS DB',
required=True
)
parser.add_argument(
'--pwdfile',
dest='nssdb_pwdfile',
help='path to password file for NSS DB',
required=True
)
parser.add_argument(
'--nickname',
help='nick name of certificate',
required=True
)
return parser
def pki_tomcat_parser():
"""Hard-code Dogtag's NSSDB and its password file
"""
parser = common.mkparser(
description='ipa-custodia pki-tomcat NSS cert handler'
)
parser.add_argument(
'--nickname',
help='nick name of certificate',
required=True
)
parser.set_defaults(
nssdb_path=paths.PKI_TOMCAT_ALIAS_DIR,
nssdb_pwdfile=paths.PKI_TOMCAT_ALIAS_PWDFILE_TXT,
)
return parser
def main(parser=None):
if parser is None:
parser = default_parser()
common.main(parser, export_key, import_key)
if __name__ == '__main__':
main()
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