979d48e823
* lang/python/tests/support.py (have_tofu_support): New function. * lang/python/tests/t-quick-key-manipulation.py: Skip TOFU test if not supported by GnuPG. Signed-off-by: Justus Winter <justus@g10code.com>
134 lines
4.5 KiB
Python
134 lines
4.5 KiB
Python
# Copyright (C) 2016 g10 Code GmbH
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#
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# This file is part of GPGME.
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#
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# GPGME is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# GPGME is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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# Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, see <http://www.gnu.org/licenses/>.
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from __future__ import absolute_import, print_function, unicode_literals
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del absolute_import, print_function, unicode_literals
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import contextlib
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import shutil
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import sys
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import os
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import re
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import tempfile
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import time
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import gpg
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def assert_gpg_version(version=(2, 1, 0)):
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with gpg.Context() as c:
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clean_version = re.match(r'\d+\.\d+\.\d+', c.engine_info.version).group(0)
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if tuple(map(int, clean_version.split('.'))) < version:
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print("GnuPG too old: have {0}, need {1}.".format(
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c.engine_info.version, '.'.join(map(str, version))))
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sys.exit(77)
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def have_tofu_support(ctx, some_uid):
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keys = list(ctx.keylist(some_uid,
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mode=(gpg.constants.keylist.mode.LOCAL
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|gpg.constants.keylist.mode.WITH_TOFU)))
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return len(keys) > 0
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# Skip the Python tests for GnuPG < 2.1.12. Prior versions do not
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# understand the command line flags that we assume exist. C.f. issue
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# 3008.
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assert_gpg_version((2, 1, 12))
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# known keys
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alpha = "A0FF4590BB6122EDEF6E3C542D727CC768697734"
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bob = "D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2"
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encrypt_only = "F52770D5C4DB41408D918C9F920572769B9FE19C"
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sign_only = "7CCA20CCDE5394CEE71C9F0BFED153F12F18F45D"
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no_such_key = "A" * 40
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def make_filename(name):
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return os.path.join(os.environ['top_srcdir'], 'tests', 'gpg', name)
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def in_srcdir(name):
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return os.path.join(os.environ['srcdir'], name)
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verbose = int(os.environ.get('verbose', 0)) > 1
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def print_data(data):
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if verbose:
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try:
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# See if it is a file-like object.
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data.seek(0, os.SEEK_SET)
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data = data.read()
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except:
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# Hope for the best.
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pass
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if hasattr(sys.stdout, "buffer"):
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sys.stdout.buffer.write(data)
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else:
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sys.stdout.write(data)
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def mark_key_trusted(ctx, key):
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class Editor(object):
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def __init__(self):
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self.steps = ["trust", "save"]
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def edit(self, status, args, out):
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if args == "keyedit.prompt":
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result = self.steps.pop(0)
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elif args == "edit_ownertrust.value":
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result = "5"
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elif args == "edit_ownertrust.set_ultimate.okay":
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result = "Y"
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elif args == "keyedit.save.okay":
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result = "Y"
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else:
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result = None
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return result
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with gpg.Data() as sink:
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ctx.op_edit(key, Editor().edit, sink, sink)
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# Python3.2 and up has tempfile.TemporaryDirectory, but we cannot use
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# that, because there shutil.rmtree is used without
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# ignore_errors=True, and that races against gpg-agent deleting its
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# sockets.
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class TemporaryDirectory(object):
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def __enter__(self):
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self.path = tempfile.mkdtemp()
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return self.path
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def __exit__(self, *args):
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shutil.rmtree(self.path, ignore_errors=True)
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@contextlib.contextmanager
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def EphemeralContext():
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with TemporaryDirectory() as tmp:
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home = os.environ['GNUPGHOME']
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shutil.copy(os.path.join(home, "gpg.conf"), tmp)
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shutil.copy(os.path.join(home, "gpg-agent.conf"), tmp)
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with gpg.Context(home_dir=tmp) as ctx:
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yield ctx
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# Ask the agent to quit.
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agent_socket = os.path.join(tmp, "S.gpg-agent")
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ctx.protocol = gpg.constants.protocol.ASSUAN
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ctx.set_engine_info(ctx.protocol, file_name=agent_socket)
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try:
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ctx.assuan_transact(["KILLAGENT"])
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except gpg.errors.GPGMEError as e:
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if e.getcode() == gpg.errors.ASS_CONNECT_FAILED:
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pass # the agent was not running
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else:
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raise
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# Block until it is really gone.
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while os.path.exists(agent_socket):
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time.sleep(.01)
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