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# Copyright (C) 2005, 2008 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for bzr setting permissions.
Files in the branch control directory (.bzr or .bzr/branch) should inherit
the .bzr directory permissions.
So if the directory is group writable, the files and subdirs should be as well.
"""
# TODO: jam 20051215 Currently the default behavior for 'bzr branch' is just
# defined by the local umask. This isn't terrible, is it
# the truly desired behavior?
import os
import sys
import stat
from StringIO import StringIO
from bzrlib import tests
from bzrlib.branch import Branch
from bzrlib.bzrdir import BzrDir
from bzrlib.lockable_files import LockableFiles
from bzrlib.remote import RemoteBranchFormat
from bzrlib.tests.test_permissions import chmod_r, check_mode_r
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
from bzrlib.transport import get_transport
from bzrlib.workingtree import WorkingTree
class _NullPermsStat(object):
"""A class that proxy's a stat result and strips permissions."""
def __init__(self, orig_stat):
self._orig_stat = orig_stat
# We strip all permission bits from st_mode
self.st_mode = orig_stat.st_mode & ~07777
def __getattr__(self, name):
return getattr(self._orig_stat, name)
class TestPermissions(tests.TestCaseWithTransport):
def test_new_branch(self):
if isinstance(self.branch_format, RemoteBranchFormat):
# Remote branch format have no permission logic in them; there's
# nothing to test here.
raise tests.TestNotApplicable('Remote branches have no'
' permission logic')
if sys.platform == 'win32':
raise tests.TestNotApplicable('chmod has no effect on win32')
# also, these are BzrBranch format specific things..
os.mkdir('a')
mode = stat.S_IMODE(os.stat('a').st_mode)
t = self.make_branch_and_tree('.')
b = t.branch
self.assertEqualMode(mode, b.bzrdir._get_dir_mode())
self.assertEqualMode(mode & ~07111, b.bzrdir._get_file_mode())
self.assertEqualMode(mode, b.control_files._dir_mode)
self.assertEqualMode(mode & ~07111, b.control_files._file_mode)
os.mkdir('d')
os.chmod('d', 0700)
b = self.make_branch('d')
self.assertEqualMode(0700, b.bzrdir._get_dir_mode())
self.assertEqualMode(0600, b.bzrdir._get_file_mode())
self.assertEqualMode(0700, b.control_files._dir_mode)
self.assertEqualMode(0600, b.control_files._file_mode)
check_mode_r(self, 'd/.bzr', 00600, 00700)
def test_new_branch_group_sticky_bit(self):
if isinstance(self.branch_format, RemoteBranchFormat):
# Remote branch format have no permission logic in them; there's
# nothing to test here.
raise tests.TestNotApplicable('Remote branches have no'
' permission logic')
if sys.platform == 'win32':
raise tests.TestNotApplicable('chmod has no effect on win32')
elif sys.platform == 'darwin':
# OS X creates temp dirs with the 'wheel' group, which users are
# not likely to be in, and this prevents us from setting the sgid
# bit
os.chown(self.test_dir, os.getuid(), os.getgid())
# also, these are BzrBranch format specific things..
t = self.make_branch_and_tree('.')
b = t.branch
os.mkdir('b')
os.chmod('b', 02777)
b = self.make_branch('b')
self.assertEqualMode(02777, b.bzrdir._get_dir_mode())
self.assertEqualMode(00666, b.bzrdir._get_file_mode())
self.assertEqualMode(02777, b.control_files._dir_mode)
self.assertEqualMode(00666, b.control_files._file_mode)
check_mode_r(self, 'b/.bzr', 00666, 02777)
os.mkdir('c')
os.chmod('c', 02750)
b = self.make_branch('c')
self.assertEqualMode(02750, b.bzrdir._get_dir_mode())
self.assertEqualMode(00640, b.bzrdir._get_file_mode())
self.assertEqualMode(02750, b.control_files._dir_mode)
self.assertEqualMode(00640, b.control_files._file_mode)
check_mode_r(self, 'c/.bzr', 00640, 02750)
def test_mode_0(self):
"""Test when a transport returns null permissions for .bzr"""
if isinstance(self.branch_format, RemoteBranchFormat):
# Remote branch format have no permission logic in them; there's
# nothing to test here.
raise tests.TestNotApplicable('Remote branches have no'
' permission logic')
self.make_branch_and_tree('.')
bzrdir = BzrDir.open('.')
# Monkey patch the transport
_orig_stat = bzrdir.transport.stat
def null_perms_stat(*args, **kwargs):
result = _orig_stat(*args, **kwargs)
return _NullPermsStat(result)
bzrdir.transport.stat = null_perms_stat
self.assertIs(None, bzrdir._get_dir_mode())
self.assertIs(None, bzrdir._get_file_mode())
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