You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
227 lines
6.3 KiB
227 lines
6.3 KiB
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
import os
|
|
import os.path
|
|
import sqlite3
|
|
import subprocess
|
|
|
|
from paths import *
|
|
|
|
__doc__= """
|
|
Module of classes to handle certificate requests
|
|
"""
|
|
|
|
class SignRequest(object):
|
|
def __init__(self, req_id):
|
|
self.req_id = req_id
|
|
|
|
def get_name(self):
|
|
raise NotImplementedError()
|
|
|
|
def get_fields(self):
|
|
raise NotImplementedError()
|
|
|
|
|
|
class UserSSHRequest(SignRequest, object):
|
|
def __init__(self, req_id, user_name, root_requested, key_data):
|
|
super(UserSSHRequest, self).__init__(req_id)
|
|
|
|
self.user_name = user_name
|
|
self.root_requested = root_requested
|
|
self.key_data = key_data
|
|
|
|
def get_name(self):
|
|
return "User: %s [R:%d]" % (self.user_name, int(self.root_requested))
|
|
|
|
def get_fields(self):
|
|
return [
|
|
("User name", self.user_name),
|
|
("Root access requested", 'yes' if self.root_requested else 'no')
|
|
]
|
|
|
|
def __str__(self):
|
|
return ("%s %s" % (self.req_id, self.user_name))
|
|
|
|
class HostSSLRequest(SignRequest, object):
|
|
def __init__(self, req_id, host_name, key_data):
|
|
super(HostSSLRequest, self).__init__(req_id)
|
|
|
|
self.host_name = host_name
|
|
self.key_data = key_data
|
|
|
|
def get_name(self):
|
|
return "Hostname: %s" % self.host_name
|
|
|
|
def get_fields(self):
|
|
return [
|
|
("Hostname", self.host_name)
|
|
]
|
|
def __str__(self):
|
|
return ("%s %s" % (self.req_id, self.host_name))
|
|
|
|
class HostSSHRequest(SignRequest, object):
|
|
def __init__(self, req_id, host_name, key_data):
|
|
super(HostSSHRequest, self).__init__(req_id)
|
|
|
|
self.host_name = host_name
|
|
self.key_data = key_data
|
|
|
|
def get_name(self):
|
|
return "Hostname: %s" % self.host_name
|
|
|
|
def get_fields(self):
|
|
return [
|
|
("Hostname", self.host_name)
|
|
]
|
|
def __str__(self):
|
|
return ("%s %s" % (self.req_id, self.host_name))
|
|
|
|
|
|
class Authority(object):
|
|
ca_type = None
|
|
|
|
def __init__(self, ca_id, name, ca_dir):
|
|
self.ca_id = ca_id
|
|
self.name = name
|
|
self.ca_dir = ca_dir
|
|
|
|
@property
|
|
def path(self):
|
|
return os.path.join(self.ca_dir, self.ca_id)
|
|
|
|
def generate(self):
|
|
raise NotImplementedError()
|
|
|
|
def sign(self, request):
|
|
raise NotImplementedError()
|
|
|
|
|
|
class SSHAuthority(Authority):
|
|
ca_type = 'ssh'
|
|
|
|
key_algorithm = 'ed25519'
|
|
|
|
user_validity = '+52w'
|
|
host_validity = '+52w'
|
|
|
|
def generate(self):
|
|
if os.path.exists(self.path):
|
|
raise ValueError("A CA with the same id and type already exists")
|
|
|
|
subprocess.check_output(['ssh-keygen',
|
|
'-f', self.path,
|
|
'-t', self.key_algorithm,
|
|
'-C', self.name])
|
|
|
|
with open(self.path + '.serial', 'w') as stream:
|
|
stream.write(str(0))
|
|
|
|
|
|
def sign(self, request):
|
|
|
|
assert type(request) in [UserSSHRequest, HostSSHRequest]
|
|
|
|
pub_key_path = os.path.join(OUTPUT_PATH, request.req_id + '.pub')
|
|
cert_path = os.path.join(OUTPUT_PATH, request.req_id + '-cert.pub')
|
|
|
|
with open(self.path + '.serial', 'r') as stream:
|
|
next_serial = int(stream.read())
|
|
with open(self.path + '.serial', 'w') as stream:
|
|
stream.write(str(next_serial + 1))
|
|
|
|
with open(pub_key_path, 'w') as stream:
|
|
stream.write(request.key_data)
|
|
|
|
ca_private_key = self.path
|
|
|
|
if type(request) == UserSSHRequest:
|
|
login_names = [request.user_name]
|
|
if request.root_requested:
|
|
login_names.append('root')
|
|
|
|
subprocess.check_output(['ssh-keygen',
|
|
'-s', ca_private_key,
|
|
'-I', 'user_%s' % request.user_name,
|
|
'-n', ','.join(login_names),
|
|
'-V', self.user_validity,
|
|
'-z', str(next_serial),
|
|
pub_key_path])
|
|
elif type(request) == HostSSHRequest:
|
|
subprocess.check_output(['ssh-keygen',
|
|
'-s', ca_private_key,
|
|
'-I', 'host_%s' % request.host_name.replace('.', '_'),
|
|
'-h',
|
|
'-n', request.host_name,
|
|
'-V', self.host_validity,
|
|
'-z', str(next_serial),
|
|
pub_key_path])
|
|
|
|
return cert_path
|
|
|
|
class SSLAuthority(Authority):
|
|
ca_type = 'ssl'
|
|
|
|
ca_key_algorithm = 'des3'
|
|
key_length = '4096'
|
|
|
|
key_algorithm = 'sha256'
|
|
ca_validity = '365'
|
|
cert_validity = '365'
|
|
|
|
def generate(self):
|
|
if os.path.exists(self.path):
|
|
raise ValueError("A CA with the same id and type already exists")
|
|
|
|
subprocess.check_output(['openssl',
|
|
'genrsa',
|
|
'-%s'%self.ca_key_algorithm,
|
|
'-out', '%s'%(self.path),
|
|
self.key_length])
|
|
|
|
subprocess.check_output(['openssl',
|
|
'req',
|
|
'-new',
|
|
'-x509',
|
|
'-days', self.ca_validity,
|
|
'-key', self.path,
|
|
# '-extensions', 'v3_ca'
|
|
'-out', "%s.pub"%self.path,
|
|
# '-config', "%s.conf"%self.path
|
|
])
|
|
|
|
with open(self.path + '.serial', 'w') as stream:
|
|
stream.write(str(0))
|
|
|
|
|
|
def sign(self, request):
|
|
OUTPUT_PATH
|
|
|
|
assert type(request) in [HostSSLRequest]
|
|
|
|
pub_key_path = os.path.join(OUTPUT_PATH, request.req_id + '.pub')
|
|
cert_path = os.path.join(OUTPUT_PATH, request.req_id + '-cert.pub')
|
|
|
|
with open(self.path + '.serial', 'r') as stream:
|
|
next_serial = int(stream.read())
|
|
with open(self.path + '.serial', 'w') as stream:
|
|
stream.write(str(next_serial + 1))
|
|
|
|
with open(pub_key_path, 'w') as stream:
|
|
stream.write(request.key_data)
|
|
|
|
ca_private_key = self.path
|
|
|
|
# openssl x509 -req -days 360 -in server.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out server.crt # print()
|
|
subprocess.check_output(['openssl',
|
|
'x509',
|
|
'-req',
|
|
'-days', self.ca_validity,
|
|
'-in', pub_key_path,
|
|
'-CA', "%s.pub"%self.path,
|
|
'-CAkey', self.path,
|
|
'-CAcreateserial',
|
|
'-out', cert_path,
|
|
'-%s'%self.key_algorithm])
|
|
|
|
return cert_path
|