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# Copyright (C) 2005 by Canonical Ltd
# -*- coding: utf-8 -*-
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tests for bzr setting permissions.
Files which are created underneath .bzr/ should inherit its permissions.
So if the directory is group writable, the files and subdirs should be as well.
In the future, when we have Repository/Branch/Checkout information, the
permissions should be inherited individually, rather than all be the same.
"""
# TODO: jam 20051215 There are no tests for ftp yet, because we have no ftp server
# 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.branch import Branch
from bzrlib.lockable_files import LockableFiles
from bzrlib.tests import TestCaseWithTransport, TestSkipped
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
from bzrlib.transport import get_transport
from bzrlib.workingtree import WorkingTree
def chmod_r(base, file_mode, dir_mode):
"""Recursively chmod from a base directory"""
assert os.path.isdir(base)
os.chmod(base, dir_mode)
for root, dirs, files in os.walk(base):
for d in dirs:
p = os.path.join(root, d)
os.chmod(p, dir_mode)
for f in files:
p = os.path.join(root, f)
os.chmod(p, file_mode)
def check_mode_r(test, base, file_mode, dir_mode, include_base=True):
"""Check that all permissions match
:param test: The TestCase being run
:param base: The path to the root directory to check
:param file_mode: The mode for all files
:param dir_mode: The mode for all directories
:param include_base: If false, only check the subdirectories
"""
assert os.path.isdir(base)
t = get_transport(".")
if include_base:
test.assertTransportMode(t, base, dir_mode)
for root, dirs, files in os.walk(base):
for d in dirs:
p = os.path.join(root, d)
test.assertTransportMode(t, p, dir_mode)
for f in files:
p = os.path.join(root, f)
test.assertTransportMode(t, p, file_mode)
def assertEqualMode(test, mode, mode_test):
test.assertEqual(mode, mode_test,
'mode mismatch %o != %o' % (mode, mode_test))
class TestPermissions(TestCaseWithTransport):
def test_new_files(self):
if sys.platform == 'win32':
raise TestSkipped('chmod has no effect on win32')
t = WorkingTree.create_standalone('.')
b = t.branch
open('a', 'wb').write('foo\n')
t.add('a')
t.commit('foo')
# Delete them because we are modifying the filesystem underneath them
del b, t
chmod_r('.bzr', 0644, 0755)
check_mode_r(self, '.bzr', 0644, 0755)
b = Branch.open('.')
t = b.working_tree()
assertEqualMode(self, 0755, b.control_files._dir_mode)
assertEqualMode(self, 0644, b.control_files._file_mode)
# Modifying a file shouldn't break the permissions
open('a', 'wb').write('foo2\n')
t.commit('foo2')
# The mode should be maintained after commit
check_mode_r(self, '.bzr', 0644, 0755)
# Adding a new file should maintain the permissions
open('b', 'wb').write('new b\n')
t.add('b')
t.commit('new b')
check_mode_r(self, '.bzr', 0644, 0755)
del b, t
# Recursively update the modes of all files
chmod_r('.bzr', 0664, 0775)
check_mode_r(self, '.bzr', 0664, 0775)
b = Branch.open('.')
t = b.working_tree()
assertEqualMode(self, 0775, b.control_files._dir_mode)
assertEqualMode(self, 0664, b.control_files._file_mode)
open('a', 'wb').write('foo3\n')
t.commit('foo3')
check_mode_r(self, '.bzr', 0664, 0775)
open('c', 'wb').write('new c\n')
t.add('c')
t.commit('new c')
check_mode_r(self, '.bzr', 0664, 0775)
# Test the group sticky bit
del b, t
# Recursively update the modes of all files
chmod_r('.bzr', 0664, 02775)
check_mode_r(self, '.bzr', 0664, 02775)
b = Branch.open('.')
t = b.working_tree()
assertEqualMode(self, 02775, b.control_files._dir_mode)
assertEqualMode(self, 0664, b.control_files._file_mode)
open('a', 'wb').write('foo4\n')
t.commit('foo4')
check_mode_r(self, '.bzr', 0664, 02775)
open('d', 'wb').write('new d\n')
t.add('d')
t.commit('new d')
check_mode_r(self, '.bzr', 0664, 02775)
def test_disable_set_mode(self):
# TODO: jam 20051215 Ultimately, this test should probably test that
# extra chmod calls aren't being made
try:
transport = get_transport(self.get_url())
transport.put('my-lock', StringIO(''))
lockable = LockableFiles(transport, 'my-lock')
self.assertNotEqual(None, lockable._dir_mode)
self.assertNotEqual(None, lockable._file_mode)
LockableFiles._set_dir_mode = False
transport = get_transport('.')
lockable = LockableFiles(transport, 'my-lock')
self.assertEqual(None, lockable._dir_mode)
self.assertNotEqual(None, lockable._file_mode)
LockableFiles._set_file_mode = False
transport = get_transport('.')
lockable = LockableFiles(transport, 'my-lock')
self.assertEqual(None, lockable._dir_mode)
self.assertEqual(None, lockable._file_mode)
LockableFiles._set_dir_mode = True
transport = get_transport('.')
lockable = LockableFiles(transport, 'my-lock')
self.assertNotEqual(None, lockable._dir_mode)
self.assertEqual(None, lockable._file_mode)
LockableFiles._set_file_mode = True
transport = get_transport('.')
lockable = LockableFiles(transport, 'my-lock')
self.assertNotEqual(None, lockable._dir_mode)
self.assertNotEqual(None, lockable._file_mode)
finally:
LockableFiles._set_dir_mode = True
LockableFiles._set_file_mode = True
def test_new_branch(self):
if sys.platform == 'win32':
raise TestSkipped('chmod has no effect on win32')
#FIXME RBC 20060105 should test branch and repository
# permissions ?
# also, these are BzrBranch format specific things..
os.mkdir('a')
mode = stat.S_IMODE(os.stat('a').st_mode)
t = WorkingTree.create_standalone('.')
b = t.branch
assertEqualMode(self, mode, b.control_files._dir_mode)
assertEqualMode(self, mode & ~07111, b.control_files._file_mode)
os.mkdir('b')
os.chmod('b', 02777)
b = Branch.create('b')
assertEqualMode(self, 02777, b.control_files._dir_mode)
assertEqualMode(self, 00666, b.control_files._file_mode)
check_mode_r(self, 'b/.bzr', 00666, 02777)
os.mkdir('c')
os.chmod('c', 02750)
b = Branch.create('c')
assertEqualMode(self, 02750, b.control_files._dir_mode)
assertEqualMode(self, 00640, b.control_files._file_mode)
check_mode_r(self, 'c/.bzr', 00640, 02750)
os.mkdir('d')
os.chmod('d', 0700)
b = Branch.create('d')
assertEqualMode(self, 0700, b.control_files._dir_mode)
assertEqualMode(self, 0600, b.control_files._file_mode)
check_mode_r(self, 'd/.bzr', 00600, 0700)
class TestSftpPermissions(TestCaseWithSFTPServer):
def test_new_files(self):
if sys.platform == 'win32':
raise TestSkipped('chmod has no effect on win32')
# Though it would be nice to test that SFTP to a server
# which does support chmod has the right effect
from bzrlib.transport.sftp import SFTPTransport
# We don't actually use it directly, we just want to
# keep the connection open, since StubSFTPServer only
# allows 1 connection
_transport = SFTPTransport(self._sftp_url)
os.mkdir('local')
t_local = WorkingTree.create_standalone('local')
b_local = t_local.branch
open('local/a', 'wb').write('foo\n')
t_local.add('a')
t_local.commit('foo')
# Delete them because we are modifying the filesystem underneath them
del b_local, t_local
chmod_r('local/.bzr', 0644, 0755)
check_mode_r(self, 'local/.bzr', 0644, 0755)
b_local = Branch.open(u'local')
t_local = b_local.working_tree()
assertEqualMode(self, 0755, b_local.control_files._dir_mode)
assertEqualMode(self, 0644, b_local.control_files._file_mode)
os.mkdir('sftp')
sftp_url = self.get_remote_url('sftp')
b_sftp = Branch.create(sftp_url)
b_sftp.pull(b_local)
del b_sftp
chmod_r('sftp/.bzr', 0644, 0755)
check_mode_r(self, 'sftp/.bzr', 0644, 0755)
b_sftp = Branch.open(sftp_url)
assertEqualMode(self, 0755, b_sftp.control_files._dir_mode)
assertEqualMode(self, 0644, b_sftp.control_files._file_mode)
open('local/a', 'wb').write('foo2\n')
t_local.commit('foo2')
b_sftp.pull(b_local)
# The mode should be maintained after commit
check_mode_r(self, 'sftp/.bzr', 0644, 0755)
open('local/b', 'wb').write('new b\n')
t_local.add('b')
t_local.commit('new b')
b_sftp.pull(b_local)
check_mode_r(self, 'sftp/.bzr', 0644, 0755)
del b_sftp
# Recursively update the modes of all files
chmod_r('sftp/.bzr', 0664, 0775)
check_mode_r(self, 'sftp/.bzr', 0664, 0775)
b_sftp = Branch.open(sftp_url)
assertEqualMode(self, 0775, b_sftp.control_files._dir_mode)
assertEqualMode(self, 0664, b_sftp.control_files._file_mode)
open('local/a', 'wb').write('foo3\n')
t_local.commit('foo3')
b_sftp.pull(b_local)
check_mode_r(self, 'sftp/.bzr', 0664, 0775)
open('local/c', 'wb').write('new c\n')
t_local.add('c')
t_local.commit('new c')
b_sftp.pull(b_local)
check_mode_r(self, 'sftp/.bzr', 0664, 0775)
def test_sftp_server_modes(self):
if sys.platform == 'win32':
raise TestSkipped('chmod has no effect on win32')
umask = 0022
original_umask = os.umask(umask)
try:
from bzrlib.transport.sftp import SFTPTransport
t = SFTPTransport(self._sftp_url)
# Direct access should be masked by umask
t._sftp_open_exclusive('a', mode=0666).write('foo\n')
self.assertTransportMode(t, 'a', 0666 &~umask)
# but Transport overrides umask
t.put('b', 'txt', mode=0666)
self.assertTransportMode(t, 'b', 0666)
t._sftp.mkdir('c', mode=0777)
self.assertTransportMode(t, 'c', 0777 &~umask)
t.mkdir('d', mode=0777)
self.assertTransportMode(t, 'd', 0777)
finally:
os.umask(original_umask)
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