pki: https: T3642: Migrate HTTPS to use PKI configuration

1 files changed, 86 insertions, 0 deletions

diff --git a/src/migration-scripts/https/2-to-3 b/src/migration-scripts/https/2-to-3
new file mode 100755
index 000000000..fa29fdd18
--- /dev/null
+++ b/src/migration-scripts/https/2-to-3
@@ -0,0 +1,86 @@
+#!/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/>.
+
+# * Migrate system signed certificate to use PKI
+
+import sys
+
+from vyos.configtree import ConfigTree
+from vyos.pki import create_certificate
+from vyos.pki import create_certificate_request
+from vyos.pki import create_private_key
+from vyos.pki import encode_certificate
+from vyos.pki import encode_private_key
+
+if (len(sys.argv) < 2):
+    print("Must specify file name!")
+    sys.exit(1)
+
+file_name = sys.argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+
+base = ['service', 'https', 'certificates']
+pki_base = ['pki']
+
+if not config.exists(base + ['system-generated-certificate']):
+    sys.exit(0)
+
+def wrapped_pem_to_config_value(pem):
+    out = []
+    for line in pem.strip().split("\n"):
+        if not line or line.startswith("-----") or line[0] == '#':
+            continue
+        out.append(line)
+    return "".join(out)
+
+if not config.exists(pki_base + ['certificate']):
+    config.set(pki_base + ['certificate'])
+    config.set_tag(pki_base + ['certificate'])
+
+valid_days = 365
+if config.exists(base + ['system-generated-certificate', 'lifetime']):
+    valid_days = int(config.return_value(base + ['system-generated-certificate', 'lifetime']))
+
+key = create_private_key('rsa', 2048)
+subject = {'country': 'GB', 'state': 'N/A', 'locality': 'N/A', 'organization': 'VyOS', 'common_name': 'vyos'}
+cert_req = create_certificate_request(subject, key, ['vyos'])
+cert = create_certificate(cert_req, cert_req, key, valid_days)
+
+if cert:
+    cert_pem = encode_certificate(cert)
+    config.set(pki_base + ['certificate', 'generated_https', 'certificate'], value=wrapped_pem_to_config_value(cert_pem))
+
+if key:
+    key_pem = encode_private_key(key)
+    config.set(pki_base + ['certificate', 'generated_https', 'private', 'key'], value=wrapped_pem_to_config_value(key_pem))
+
+if cert and key:
+    config.set(base + ['certificate'], value='generated_https')
+else:
+    print('Failed to migrate system-generated-certificate from https service')
+
+config.delete(base + ['system-generated-certificate'])
+
+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))
+    sys.exit(1)