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-rw-r--r--src/leap/keymanager/__init__.py2
-rw-r--r--src/leap/keymanager/openpgp.py99
-rw-r--r--src/leap/keymanager/tests/test_validation.py55
-rw-r--r--src/leap/keymanager/validation.py6
4 files changed, 121 insertions, 41 deletions
diff --git a/src/leap/keymanager/__init__.py b/src/leap/keymanager/__init__.py
index fdbc206d..a1a59f54 100644
--- a/src/leap/keymanager/__init__.py
+++ b/src/leap/keymanager/__init__.py
@@ -25,7 +25,7 @@ try:
assert(GPGUtilities) # pyflakes happy
from gnupg import __version__ as _gnupg_version
from pkg_resources import parse_version
- assert(parse_version(_gnupg_version) >= parse_version('1.2.3'))
+ assert(parse_version(_gnupg_version) >= parse_version('1.4.0'))
except (ImportError, AssertionError):
print "*******"
diff --git a/src/leap/keymanager/openpgp.py b/src/leap/keymanager/openpgp.py
index 0adfc52d..794a0ec2 100644
--- a/src/leap/keymanager/openpgp.py
+++ b/src/leap/keymanager/openpgp.py
@@ -163,39 +163,6 @@ class TempGPGWrapper(object):
shutil.rmtree(self._gpg.homedir)
-def _build_key_from_gpg(key, key_data):
- """
- Build an OpenPGPKey based on C{key} from local gpg storage.
-
- ASCII armored GPG key data has to be queried independently in this
- wrapper, so we receive it in C{key_data}.
-
- :param key: Key obtained from GPG storage.
- :type key: dict
- :param key_data: Key data obtained from GPG storage.
- :type key_data: str
- :return: An instance of the key.
- :rtype: OpenPGPKey
- """
- expiry_date = None
- if key['expires']:
- expiry_date = datetime.fromtimestamp(int(key['expires']))
- address = []
- for uid in key['uids']:
- address.append(_parse_address(uid))
-
- return OpenPGPKey(
- address,
- key_id=key['keyid'],
- fingerprint=key['fingerprint'],
- key_data=key_data,
- private=True if key['type'] == 'sec' else False,
- length=int(key['length']),
- expiry_date=expiry_date,
- refreshed_at=datetime.now(),
- )
-
-
def _parse_address(address):
"""
Remove name, '<', '>' and the identity suffix after the '+' until the '@'
@@ -221,6 +188,26 @@ class OpenPGPKey(EncryptionKey):
Base class for OpenPGP keys.
"""
+ def __init__(self, address, gpgbinary=None, **kwargs):
+ self._gpgbinary = gpgbinary
+ super(OpenPGPKey, self).__init__(address, **kwargs)
+
+ @property
+ def signatures(self):
+ """
+ Get the key signatures
+
+ :return: the key IDs that have signed the key
+ :rtype: list(str)
+ """
+ with TempGPGWrapper(keys=[self], gpgbinary=self._gpgbinary) as gpg:
+ res = gpg.list_sigs(self.key_id)
+ for uid, sigs in res.sigs.iteritems():
+ if _parse_address(uid) in self.address:
+ return sigs
+
+ return []
+
class OpenPGPScheme(EncryptionScheme):
"""
@@ -298,7 +285,7 @@ class OpenPGPScheme(EncryptionScheme):
deferreds = []
for secret in [True, False]:
key = gpg.list_keys(secret=secret).pop()
- openpgp_key = _build_key_from_gpg(
+ openpgp_key = self._build_key_from_gpg(
key,
gpg.export_keys(key['fingerprint'], secret=secret))
d = self.put_key(openpgp_key, address)
@@ -335,7 +322,9 @@ class OpenPGPScheme(EncryptionScheme):
leap_assert(
address in doc.content[KEY_ADDRESS_KEY],
'Wrong address in key data.')
- return build_key_from_dict(OpenPGPKey, doc.content)
+ key = build_key_from_dict(OpenPGPKey, doc.content)
+ key._gpgbinary = self._gpgbinary
+ return key
d = self._get_key_doc(address, private)
d.addCallback(build_key)
@@ -375,7 +364,7 @@ class OpenPGPScheme(EncryptionScheme):
openpgp_privkey = None
if privkey is not None:
# build private key
- openpgp_privkey = _build_key_from_gpg(
+ openpgp_privkey = self._build_key_from_gpg(
privkey,
gpg.export_keys(privkey['fingerprint'], secret=True))
leap_check(pubkey['fingerprint'] == privkey['fingerprint'],
@@ -383,7 +372,7 @@ class OpenPGPScheme(EncryptionScheme):
errors.KeyFingerprintMismatch)
# build public key
- openpgp_pubkey = _build_key_from_gpg(
+ openpgp_pubkey = self._build_key_from_gpg(
pubkey,
gpg.export_keys(pubkey['fingerprint'], secret=False))
@@ -452,7 +441,7 @@ class OpenPGPScheme(EncryptionScheme):
gpg.import_keys(oldkey.key_data)
gpg.import_keys(key.key_data)
gpgkey = gpg.list_keys(secret=key.private).pop()
- mergedkey = _build_key_from_gpg(
+ mergedkey = self._build_key_from_gpg(
gpgkey,
gpg.export_keys(gpgkey['fingerprint'],
secret=key.private))
@@ -571,6 +560,40 @@ class OpenPGPScheme(EncryptionScheme):
d.addCallback(get_key_from_active_doc)
return d
+ def _build_key_from_gpg(self, key, key_data):
+ """
+ Build an OpenPGPKey for C{address} based on C{key} from
+ local gpg storage.
+
+ ASCII armored GPG key data has to be queried independently in this
+ wrapper, so we receive it in C{key_data}.
+
+ :param key: Key obtained from GPG storage.
+ :type key: dict
+ :param key_data: Key data obtained from GPG storage.
+ :type key_data: str
+ :return: An instance of the key.
+ :rtype: OpenPGPKey
+ """
+ expiry_date = None
+ if key['expires']:
+ expiry_date = datetime.fromtimestamp(int(key['expires']))
+ address = []
+ for uid in key['uids']:
+ address.append(_parse_address(uid))
+
+ return OpenPGPKey(
+ address,
+ gpgbinary=self._gpgbinary,
+ key_id=key['keyid'],
+ fingerprint=key['fingerprint'],
+ key_data=key_data,
+ private=True if key['type'] == 'sec' else False,
+ length=int(key['length']),
+ expiry_date=expiry_date,
+ refreshed_at=datetime.now(),
+ )
+
def delete_key(self, key):
"""
Remove C{key} from storage.
diff --git a/src/leap/keymanager/tests/test_validation.py b/src/leap/keymanager/tests/test_validation.py
index a8b35ca3..15e7d27d 100644
--- a/src/leap/keymanager/tests/test_validation.py
+++ b/src/leap/keymanager/tests/test_validation.py
@@ -117,6 +117,14 @@ class ValidationLevelTestCase(KeyManagerWithSoledadTestCase):
validation=ValidationLevel.Provider_Endorsement)
yield self.assertFailure(d, KeyNotValidUpgrade)
+ @inlineCallbacks
+ def test_signed_key(self):
+ km = self._key_manager()
+ yield km.put_raw_key(PUBLIC_KEY, OpenPGPKey, ADDRESS)
+ yield km.put_raw_key(SIGNED_KEY, OpenPGPKey, ADDRESS)
+ key = yield km.get_key(ADDRESS, OpenPGPKey, fetch_remote=False)
+ self.assertEqual(key.fingerprint, SIGNED_FINGERPRINT)
+
# Key material for testing
@@ -284,6 +292,53 @@ HEsoyd7WOsuse7+NkyUHgMXMVW7cz+nU7iO+ht2rkBtv+Z5LGlzgHTeFjKci
-----END PGP PRIVATE KEY BLOCK-----
"""
+# key CA1AD31E: public key "Leap Test Key <leap@leap.se>"
+# signed by E36E738D69173C13D709E44F2F455E2824D18DDF
+SIGNED_FINGERPRINT = "6704CF3362087DA23E3D2DF8ED81DFD1CA1AD31E"
+SIGNED_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.12 (GNU/Linux)
+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+=xprj
+-----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 b3aff3e4..c6fe478b 100644
--- a/src/leap/keymanager/validation.py
+++ b/src/leap/keymanager/validation.py
@@ -60,8 +60,6 @@ def can_upgrade(new_key, old_key):
:type old_key: EncryptionKey
:rtype: bool
"""
- # XXX implement key signature checking (#6120)
-
# First contact
if old_key is None:
return True
@@ -90,4 +88,8 @@ def can_upgrade(new_key, old_key):
new_key.validation > old_key.validation):
return True
+ # New key signed by the old key
+ if old_key.key_id in new_key.signatures:
+ return True
+
return False
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 07:37:32 +0000