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-rwxr-xr-xsrc/migration-scripts/l2tp/3-to-4169
1 files changed, 169 insertions, 0 deletions
diff --git a/src/migration-scripts/l2tp/3-to-4 b/src/migration-scripts/l2tp/3-to-4
new file mode 100755
index 000000000..18eabadec
--- /dev/null
+++ b/src/migration-scripts/l2tp/3-to-4
@@ -0,0 +1,169 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 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/>.
+
+# - remove primary/secondary identifier from nameserver
+# - TODO: remove radius server req-limit
+
+import os
+
+from sys import argv
+from sys import exit
+from vyos.configtree import ConfigTree
+from vyos.pki import load_certificate
+from vyos.pki import load_crl
+from vyos.pki import load_private_key
+from vyos.pki import encode_certificate
+from vyos.pki import encode_private_key
+from vyos.util import run
+
+if (len(argv) < 1):
+ print("Must specify file name!")
+ exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+ config_file = f.read()
+
+config = ConfigTree(config_file)
+base = ['vpn', 'l2tp', 'remote-access', 'ipsec-settings']
+pki_base = ['pki']
+
+if not config.exists(base):
+ exit(0)
+
+AUTH_DIR = '/config/auth'
+
+def wrapped_pem_to_config_value(pem):
+ return "".join(pem.strip().split("\n")[1:-1])
+
+if not config.exists(base + ['authentication', 'x509']):
+ exit(0)
+
+x509_base = base + ['authentication', 'x509']
+pki_name = 'l2tp_remote_access'
+
+if not config.exists(pki_base + ['ca']):
+ config.set(pki_base + ['ca'])
+ config.set_tag(pki_base + ['ca'])
+
+if not config.exists(pki_base + ['certificate']):
+ config.set(pki_base + ['certificate'])
+ config.set_tag(pki_base + ['certificate'])
+
+if config.exists(x509_base + ['ca-cert-file']):
+ cert_file = config.return_value(x509_base + ['ca-cert-file'])
+ cert_path = os.path.join(AUTH_DIR, cert_file)
+ cert = None
+
+ if os.path.isfile(cert_path):
+ if not os.access(cert_path, os.R_OK):
+ run(f'sudo chmod 644 {cert_path}')
+
+ with open(cert_path, 'r') as f:
+ cert_data = f.read()
+ cert = load_certificate(cert_data, wrap_tags=False)
+
+ if cert:
+ cert_pem = encode_certificate(cert)
+ config.set(pki_base + ['ca', pki_name, 'certificate'], value=wrapped_pem_to_config_value(cert_pem))
+ config.set(x509_base + ['ca-certificate'], value=pki_name)
+ else:
+ print(f'Failed to migrate CA certificate on l2tp remote-access config')
+
+ config.delete(x509_base + ['ca-cert-file'])
+
+if config.exists(x509_base + ['crl-file']):
+ crl_file = config.return_value(x509_base + ['crl-file'])
+ crl_path = os.path.join(AUTH_DIR, crl_file)
+ crl = None
+
+ if os.path.isfile(crl_path):
+ if not os.access(crl_path, os.R_OK):
+ run(f'sudo chmod 644 {crl_path}')
+
+ with open(crl_path, 'r') as f:
+ crl_data = f.read()
+ crl = load_certificate(crl_data, wrap_tags=False)
+
+ if crl:
+ crl_pem = encode_certificate(crl)
+ config.set(pki_base + ['ca', pki_name, 'crl'], value=wrapped_pem_to_config_value(crl_pem))
+ else:
+ print(f'Failed to migrate CRL on l2tp remote-access config')
+
+ config.delete(x509_base + ['crl-file'])
+
+if config.exists(x509_base + ['server-cert-file']):
+ cert_file = config.return_value(x509_base + ['server-cert-file'])
+ cert_path = os.path.join(AUTH_DIR, cert_file)
+ cert = None
+
+ if os.path.isfile(cert_path):
+ if not os.access(cert_path, os.R_OK):
+ run(f'sudo chmod 644 {cert_path}')
+
+ with open(cert_path, 'r') as f:
+ cert_data = f.read()
+ cert = load_certificate(cert_data, wrap_tags=False)
+
+ if cert:
+ cert_pem = encode_certificate(cert)
+ config.set(pki_base + ['certificate', pki_name, 'certificate'], value=wrapped_pem_to_config_value(cert_pem))
+ config.set(x509_base + ['certificate'], value=pki_name)
+ else:
+ print(f'Failed to migrate certificate on l2tp remote-access config')
+
+ config.delete(x509_base + ['server-cert-file'])
+
+if config.exists(x509_base + ['server-key-file']):
+ key_file = config.return_value(x509_base + ['server-key-file'])
+ key_passphrase = None
+
+ if config.exists(x509_base + ['server-key-password']):
+ key_passphrase = config.return_value(x509_base + ['server-key-password'])
+
+ key_path = os.path.join(AUTH_DIR, key_file)
+ key = None
+
+ if os.path.isfile(key_path):
+ if not os.access(key_path, os.R_OK):
+ run(f'sudo chmod 644 {key_path}')
+
+ with open(key_path, 'r') as f:
+ key_data = f.read()
+ key = load_private_key(key_data, passphrase=key_passphrase, wrap_tags=False)
+
+ if key:
+ key_pem = encode_private_key(key, passphrase=key_passphrase)
+ config.set(pki_base + ['certificate', pki_name, 'private', 'key'], value=wrapped_pem_to_config_value(key_pem))
+
+ if key_passphrase:
+ config.set(pki_base + ['certificate', pki_name, 'private', 'password-protected'])
+ config.set(x509_base + ['private-key-passphrase'], value=key_passphrase)
+ else:
+ print(f'Failed to migrate private key on l2tp remote-access config')
+
+ config.delete(x509_base + ['server-key-file'])
+ if config.exists(x509_base + ['server-key-password']):
+ config.delete(x509_base + ['server-key-password'])
+
+try:
+ with open(file_name, 'w') as f:
+ f.write(config.to_string())
+except OSError as e:
+ print("Failed to save the modified config: {}".format(e))
+ exit(1)