1 files changed, 116 insertions, 0 deletions
diff --git a/src/migration-scripts/openconnect/0-to-1 b/src/migration-scripts/openconnect/0-to-1
new file mode 100644
index 0000000..aa5a97e
--- /dev/null
+++ b/src/migration-scripts/openconnect/0-to-1
@@ -0,0 +1,116 @@
+# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+# - Update SSL to use PKI configuration
+
+import os
+
+from vyos.configtree import ConfigTree
+from vyos.pki import load_certificate
+from vyos.pki import load_private_key
+from vyos.pki import encode_certificate
+from vyos.pki import encode_private_key
+from vyos.utils.process import run
+
+base = ['vpn', 'openconnect']
+pki_base = ['pki']
+
+AUTH_DIR = '/config/auth'
+
+def wrapped_pem_to_config_value(pem):
+    return "".join(pem.strip().split("\n")[1:-1])
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        return
+
+    if not config.exists(base + ['ssl']):
+        return
+
+    x509_base = base + ['ssl']
+    pki_name = 'openconnect'
+
+    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 openconnect config')
+
+        config.delete(x509_base + ['ca-cert-file'])
+
+    if config.exists(x509_base + ['cert-file']):
+        cert_file = config.return_value(x509_base + ['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 openconnect config')
+
+        config.delete(x509_base + ['cert-file'])
+
+    if config.exists(x509_base + ['key-file']):
+        key_file = config.return_value(x509_base + ['key-file'])
+        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=None, wrap_tags=False)
+
+        if key:
+            key_pem = encode_private_key(key, passphrase=None)
+            config.set(pki_base + ['certificate', pki_name, 'private', 'key'], value=wrapped_pem_to_config_value(key_pem))
+        else:
+            print(f'Failed to migrate private key on openconnect config')
+
+        config.delete(x509_base + ['key-file'])