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-rw-r--r--src/leap/keymanager/openpgp.py12
-rw-r--r--src/leap/keymanager/tests/test_validation.py43
-rw-r--r--src/leap/keymanager/validation.py1
3 files changed, 55 insertions, 1 deletions
diff --git a/src/leap/keymanager/openpgp.py b/src/leap/keymanager/openpgp.py
index e84cd29..f86b35d 100644
--- a/src/leap/keymanager/openpgp.py
+++ b/src/leap/keymanager/openpgp.py
@@ -37,6 +37,8 @@ from leap.keymanager.keys import (
build_key_from_dict,
KEYMANAGER_KEY_TAG,
TAGS_ADDRESS_PRIVATE_INDEX,
+ KEY_FINGERPRINT_KEY,
+ KEY_DATA_KEY,
)
from leap.keymanager.validation import ValidationLevel
@@ -394,6 +396,16 @@ class OpenPGPScheme(EncryptionScheme):
if doc is None:
self._soledad.create_doc_from_json(key.get_json())
else:
+ if key.fingerprint == doc.content[KEY_FINGERPRINT_KEY]:
+ # in case of an update of the key merge them with gnupg
+ with self._temporary_gpgwrapper() as gpg:
+ gpg.import_keys(doc.content[KEY_DATA_KEY])
+ gpg.import_keys(key.key_data)
+ gpgkey = gpg.list_keys(secret=key.private).pop()
+ key = _build_key_from_gpg(
+ key.address, gpgkey,
+ gpg.export_keys(gpgkey['fingerprint'],
+ secret=key.private))
doc.set_json(key.get_json())
self._soledad.put_doc(doc)
diff --git a/src/leap/keymanager/tests/test_validation.py b/src/leap/keymanager/tests/test_validation.py
index c7170ab..0f4d81a 100644
--- a/src/leap/keymanager/tests/test_validation.py
+++ b/src/leap/keymanager/tests/test_validation.py
@@ -72,6 +72,13 @@ class ValidationLevelTestCase(KeyManagerWithSoledadTestCase):
OpenPGPKey,
validation=ValidationLevel.Provider_Trust)
+ def test_roll_back(self):
+ km = self._key_manager()
+ km.put_raw_key(EXPIRED_KEY_UPDATED, OpenPGPKey)
+ km.put_raw_key(EXPIRED_KEY, OpenPGPKey)
+ key = km.get_key(ADDRESS, OpenPGPKey, fetch_remote=False)
+ self.assertEqual(key.expiry_date, EXPIRED_KEY_NEW_EXPIRY_DATE)
+
# Key material for testing
@@ -144,6 +151,42 @@ Osuse7+NkyUHgMXMVW7cz+nU7iO+ht2rkBtv+Z5LGlzgHTeFjKci
=WhX+
-----END PGP PUBLIC KEY BLOCK-----
"""
+# updated expiration date
+# Tue 24 Oct 2034 05:13:00 PM BST
+EXPIRED_KEY_NEW_EXPIRY_DATE = "2045319180"
+EXPIRED_KEY_UPDATED = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.12 (GNU/Linux)
+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+=79Ll
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+
import unittest
if __name__ == "__main__":
diff --git a/src/leap/keymanager/validation.py b/src/leap/keymanager/validation.py
index 6dceb78..7d68966 100644
--- a/src/leap/keymanager/validation.py
+++ b/src/leap/keymanager/validation.py
@@ -73,7 +73,6 @@ def can_upgrade(new_key, old_key):
# An update of the same key
if new_key.fingerprint == old_key.fingerprint:
- # XXX wich one is newer? is that a downgrade attack? (#6210)
return True
# Manually verified fingerprint