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-rwxr-xr-xsrc/conf_mode/ipsec-settings.py223
1 files changed, 0 insertions, 223 deletions
diff --git a/src/conf_mode/ipsec-settings.py b/src/conf_mode/ipsec-settings.py
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index a373f821f..000000000
--- a/src/conf_mode/ipsec-settings.py
+++ /dev/null
@@ -1,223 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2018-2020 VyOS maintainers and contributors
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 or later as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-import re
-import os
-
-from time import sleep
-from sys import exit
-
-from vyos.config import Config
-from vyos import ConfigError
-from vyos.util import call
-from vyos.template import render
-
-from vyos import airbag
-airbag.enable()
-
-ra_conn_name = "remote-access"
-ipsec_secrets_file = "/etc/ipsec.secrets"
-ipsec_ra_conn_dir = "/etc/ipsec.d/tunnels/"
-ipsec_ra_conn_file = ipsec_ra_conn_dir + ra_conn_name
-ipsec_conf_file = "/etc/ipsec.conf"
-ca_cert_path = "/etc/ipsec.d/cacerts"
-server_cert_path = "/etc/ipsec.d/certs"
-server_key_path = "/etc/ipsec.d/private"
-delim_ipsec_l2tp_begin = "### VyOS L2TP VPN Begin ###"
-delim_ipsec_l2tp_end = "### VyOS L2TP VPN End ###"
-charon_pidfile = "/var/run/charon.pid"
-
-def get_config(config=None):
- if config:
- config = config
- else:
- config = Config()
-
- if config.exists("vpn ipsec ipsec-interfaces interface"):
- data["ipsec_interfaces"] = config.return_values("vpn ipsec ipsec-interfaces interface")
-
- # Init config variables
- data["delim_ipsec_l2tp_begin"] = delim_ipsec_l2tp_begin
- data["delim_ipsec_l2tp_end"] = delim_ipsec_l2tp_end
- data["ipsec_ra_conn_file"] = ipsec_ra_conn_file
- data["ra_conn_name"] = ra_conn_name
- # Get l2tp ipsec settings
- data["ipsec_l2tp"] = False
- conf_ipsec_command = "vpn l2tp remote-access ipsec-settings " #last space is useful
- if config.exists(conf_ipsec_command):
- data["ipsec_l2tp"] = True
-
- # Authentication params
- if config.exists(conf_ipsec_command + "authentication mode"):
- data["ipsec_l2tp_auth_mode"] = config.return_value(conf_ipsec_command + "authentication mode")
- if config.exists(conf_ipsec_command + "authentication pre-shared-secret"):
- data["ipsec_l2tp_secret"] = config.return_value(conf_ipsec_command + "authentication pre-shared-secret")
-
- # mode x509
- if config.exists(conf_ipsec_command + "authentication x509 ca-cert-file"):
- data["ipsec_l2tp_x509_ca_cert_file"] = config.return_value(conf_ipsec_command + "authentication x509 ca-cert-file")
- if config.exists(conf_ipsec_command + "authentication x509 crl-file"):
- data["ipsec_l2tp_x509_crl_file"] = config.return_value(conf_ipsec_command + "authentication x509 crl-file")
- if config.exists(conf_ipsec_command + "authentication x509 server-cert-file"):
- data["ipsec_l2tp_x509_server_cert_file"] = config.return_value(conf_ipsec_command + "authentication x509 server-cert-file")
- data["server_cert_file_copied"] = server_cert_path+"/"+re.search('\w+(?:\.\w+)*$', config.return_value(conf_ipsec_command + "authentication x509 server-cert-file")).group(0)
- if config.exists(conf_ipsec_command + "authentication x509 server-key-file"):
- data["ipsec_l2tp_x509_server_key_file"] = config.return_value(conf_ipsec_command + "authentication x509 server-key-file")
- data["server_key_file_copied"] = server_key_path+"/"+re.search('\w+(?:\.\w+)*$', config.return_value(conf_ipsec_command + "authentication x509 server-key-file")).group(0)
- if config.exists(conf_ipsec_command + "authentication x509 server-key-password"):
- data["ipsec_l2tp_x509_server_key_password"] = config.return_value(conf_ipsec_command + "authentication x509 server-key-password")
-
- # Common l2tp ipsec params
- if config.exists(conf_ipsec_command + "ike-lifetime"):
- data["ipsec_l2tp_ike_lifetime"] = config.return_value(conf_ipsec_command + "ike-lifetime")
- else:
- data["ipsec_l2tp_ike_lifetime"] = "3600"
-
- if config.exists(conf_ipsec_command + "lifetime"):
- data["ipsec_l2tp_lifetime"] = config.return_value(conf_ipsec_command + "lifetime")
- else:
- data["ipsec_l2tp_lifetime"] = "3600"
-
- if config.exists("vpn l2tp remote-access outside-address"):
- data['outside_addr'] = config.return_value('vpn l2tp remote-access outside-address')
-
- return data
-
-def write_ipsec_secrets(c):
- if c.get("ipsec_l2tp_auth_mode") == "pre-shared-secret":
- secret_txt = "{0}\n{1} %any : PSK \"{2}\"\n{3}\n".format(delim_ipsec_l2tp_begin, c['outside_addr'], c['ipsec_l2tp_secret'], delim_ipsec_l2tp_end)
- elif c.get("ipsec_l2tp_auth_mode") == "x509":
- secret_txt = "{0}\n: RSA {1}\n{2}\n".format(delim_ipsec_l2tp_begin, c['server_key_file_copied'], delim_ipsec_l2tp_end)
-
- old_umask = os.umask(0o077)
- with open(ipsec_secrets_file, 'a+') as f:
- f.write(secret_txt)
- os.umask(old_umask)
-
-def write_ipsec_conf(c):
- ipsec_confg_txt = "{0}\ninclude {1}\n{2}\n".format(delim_ipsec_l2tp_begin, ipsec_ra_conn_file, delim_ipsec_l2tp_end)
-
- old_umask = os.umask(0o077)
- with open(ipsec_conf_file, 'a+') as f:
- f.write(ipsec_confg_txt)
- os.umask(old_umask)
-
-### Remove config from file by delimiter
-def remove_confs(delim_begin, delim_end, conf_file):
- call("sed -i '/"+delim_begin+"/,/"+delim_end+"/d' "+conf_file)
-
-
-### Checking certificate storage and notice if certificate not in /config directory
-def check_cert_file_store(cert_name, file_path, dts_path):
- if not re.search('^\/config\/.+', file_path):
- print("Warning: \"" + file_path + "\" lies outside of /config/auth directory. It will not get preserved during image upgrade.")
- #Checking file existence
- if not os.path.isfile(file_path):
- raise ConfigError("L2TP VPN configuration error: Invalid "+cert_name+" \""+file_path+"\"")
- else:
- ### Cpy file to /etc/ipsec.d/certs/ /etc/ipsec.d/cacerts/
- # todo make check
- ret = call('cp -f '+file_path+' '+dts_path)
- if ret:
- raise ConfigError("L2TP VPN configuration error: Cannot copy "+file_path)
-
-def verify(data):
- # l2tp ipsec check
- if data["ipsec_l2tp"]:
- # Checking dependecies for "authentication mode pre-shared-secret"
- if data.get("ipsec_l2tp_auth_mode") == "pre-shared-secret":
- if not data.get("ipsec_l2tp_secret"):
- raise ConfigError("pre-shared-secret required")
- if not data.get("outside_addr"):
- raise ConfigError("outside-address not defined")
-
- # Checking dependecies for "authentication mode x509"
- if data.get("ipsec_l2tp_auth_mode") == "x509":
- if not data.get("ipsec_l2tp_x509_server_key_file"):
- raise ConfigError("L2TP VPN configuration error: \"server-key-file\" not defined.")
- else:
- check_cert_file_store("server-key-file", data['ipsec_l2tp_x509_server_key_file'], server_key_path)
-
- if not data.get("ipsec_l2tp_x509_server_cert_file"):
- raise ConfigError("L2TP VPN configuration error: \"server-cert-file\" not defined.")
- else:
- check_cert_file_store("server-cert-file", data['ipsec_l2tp_x509_server_cert_file'], server_cert_path)
-
- if not data.get("ipsec_l2tp_x509_ca_cert_file"):
- raise ConfigError("L2TP VPN configuration error: \"ca-cert-file\" must be defined for X.509")
- else:
- check_cert_file_store("ca-cert-file", data['ipsec_l2tp_x509_ca_cert_file'], ca_cert_path)
-
- if not data.get('ipsec_interfaces'):
- raise ConfigError("L2TP VPN configuration error: \"vpn ipsec ipsec-interfaces\" must be specified.")
-
-def generate(data):
- if data["ipsec_l2tp"]:
- remove_confs(delim_ipsec_l2tp_begin, delim_ipsec_l2tp_end, ipsec_secrets_file)
- # old_umask = os.umask(0o077)
- # render(ipsec_secrets_file, 'ipsec/ipsec.secrets.tmpl', data)
- # os.umask(old_umask)
- ## Use this method while IPSec CLI handler won't be overwritten to python
- write_ipsec_secrets(data)
-
- old_umask = os.umask(0o077)
-
- # Create tunnels directory if does not exist
- if not os.path.exists(ipsec_ra_conn_dir):
- os.makedirs(ipsec_ra_conn_dir)
-
- render(ipsec_ra_conn_file, 'ipsec/remote-access.tmpl', data)
- os.umask(old_umask)
-
- remove_confs(delim_ipsec_l2tp_begin, delim_ipsec_l2tp_end, ipsec_conf_file)
- # old_umask = os.umask(0o077)
- # render(ipsec_conf_file, 'ipsec/ipsec.conf.tmpl', data)
- # os.umask(old_umask)
- ## Use this method while IPSec CLI handler won't be overwritten to python
- write_ipsec_conf(data)
-
- else:
- if os.path.exists(ipsec_ra_conn_file):
- remove_confs(delim_ipsec_l2tp_begin, delim_ipsec_l2tp_end, ipsec_ra_conn_file)
- remove_confs(delim_ipsec_l2tp_begin, delim_ipsec_l2tp_end, ipsec_secrets_file)
- remove_confs(delim_ipsec_l2tp_begin, delim_ipsec_l2tp_end, ipsec_conf_file)
-
-def restart_ipsec():
- call('ipsec restart >&/dev/null')
- # counter for apply swanctl config
- counter = 10
- while counter <= 10:
- if os.path.exists(charon_pidfile):
- call('swanctl -q >&/dev/null')
- break
- counter -=1
- sleep(1)
- if counter == 0:
- raise ConfigError('VPN configuration error: IPSec is not running.')
-
-def apply(data):
- # Restart IPSec daemon
- restart_ipsec()
-
-if __name__ == '__main__':
- try:
- c = get_config()
- verify(c)
- generate(c)
- apply(c)
- except ConfigError as e:
- print(e)
- exit(1)