1 import glob, grp, pwd, stat, tempfile, subprocess
2 import bup.helpers as helpers
3 from bup import git, metadata, vfs
4 from bup.helpers import clear_errors, detect_fakeroot, is_superuser
6 from bup.xstat import utime, lutime
10 bup_path = top_dir + '/bup'
11 start_dir = os.getcwd()
16 cmd_str = ' '.join(cmd)
17 print >> sys.stderr, cmd_str
18 rc = subprocess.call(cmd)
20 print >> sys.stderr, 'terminated by signal', - rc
23 print >> sys.stderr, 'returned exit status', rc
26 print >> sys.stderr, 'subprocess call failed:', e
31 # Set up testfs with user_xattr, etc.
32 subprocess.call(['umount', 'testfs'])
33 ex('dd', 'if=/dev/zero', 'of=testfs.img', 'bs=1M', 'count=32')
34 ex('mke2fs', '-F', '-j', '-m', '0', 'testfs.img')
35 ex('rm', '-rf', 'testfs')
37 ex('mount', '-o', 'loop,acl,user_xattr', 'testfs.img', 'testfs')
38 # Hide, so that tests can't create risks.
39 os.chown('testfs', 0, 0)
40 os.chmod('testfs', 0700)
44 subprocess.call(['umount', 'testfs'])
45 helpers.unlink('testfs.img')
49 def test_clean_up_archive_path():
50 cleanup = metadata._clean_up_path_for_archive
51 WVPASSEQ(cleanup('foo'), 'foo')
52 WVPASSEQ(cleanup('/foo'), 'foo')
53 WVPASSEQ(cleanup('///foo'), 'foo')
54 WVPASSEQ(cleanup('/foo/bar'), 'foo/bar')
55 WVPASSEQ(cleanup('foo/./bar'), 'foo/bar')
56 WVPASSEQ(cleanup('/foo/./bar'), 'foo/bar')
57 WVPASSEQ(cleanup('/foo/./bar/././baz'), 'foo/bar/baz')
58 WVPASSEQ(cleanup('/foo/./bar///././baz'), 'foo/bar/baz')
59 WVPASSEQ(cleanup('//./foo/./bar///././baz/.///'), 'foo/bar/baz/')
60 WVPASSEQ(cleanup('./foo/./.bar'), 'foo/.bar')
61 WVPASSEQ(cleanup('./foo/.'), 'foo')
62 WVPASSEQ(cleanup('./foo/..'), '.')
63 WVPASSEQ(cleanup('//./..//.../..//.'), '.')
64 WVPASSEQ(cleanup('//./..//..././/.'), '...')
65 WVPASSEQ(cleanup('/////.'), '.')
66 WVPASSEQ(cleanup('/../'), '.')
67 WVPASSEQ(cleanup(''), '.')
71 def test_risky_path():
72 risky = metadata._risky_path
74 WVPASS(risky('///foo'))
75 WVPASS(risky('/../foo'))
76 WVPASS(risky('../foo'))
77 WVPASS(risky('foo/..'))
78 WVPASS(risky('foo/../'))
79 WVPASS(risky('foo/../bar'))
82 WVFAIL(risky('foo///'))
83 WVFAIL(risky('./foo'))
84 WVFAIL(risky('foo/.'))
85 WVFAIL(risky('./foo/.'))
86 WVFAIL(risky('foo/bar'))
87 WVFAIL(risky('foo/./bar'))
91 def test_clean_up_extract_path():
92 cleanup = metadata._clean_up_extract_path
93 WVPASSEQ(cleanup('/foo'), 'foo')
94 WVPASSEQ(cleanup('///foo'), 'foo')
95 WVFAIL(cleanup('/../foo'))
96 WVFAIL(cleanup('../foo'))
97 WVFAIL(cleanup('foo/..'))
98 WVFAIL(cleanup('foo/../'))
99 WVFAIL(cleanup('foo/../bar'))
100 WVPASSEQ(cleanup('foo'), 'foo')
101 WVPASSEQ(cleanup('foo/'), 'foo/')
102 WVPASSEQ(cleanup('foo///'), 'foo///')
103 WVPASSEQ(cleanup('./foo'), './foo')
104 WVPASSEQ(cleanup('foo/.'), 'foo/.')
105 WVPASSEQ(cleanup('./foo/.'), './foo/.')
106 WVPASSEQ(cleanup('foo/bar'), 'foo/bar')
107 WVPASSEQ(cleanup('foo/./bar'), 'foo/./bar')
108 WVPASSEQ(cleanup('/'), '.')
109 WVPASSEQ(cleanup('./'), './')
110 WVPASSEQ(cleanup('///foo/bar'), 'foo/bar')
111 WVPASSEQ(cleanup('///foo/bar'), 'foo/bar')
115 def test_metadata_method():
116 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
118 bup_dir = tmpdir + '/bup'
119 data_path = tmpdir + '/foo'
121 ex('touch', data_path + '/file')
122 ex('ln', '-s', 'file', data_path + '/symlink')
123 test_time1 = 13 * 1000000000
124 test_time2 = 42 * 1000000000
125 utime(data_path + '/file', (0, test_time1))
126 lutime(data_path + '/symlink', (0, 0))
127 utime(data_path, (0, test_time2))
128 ex(bup_path, '-d', bup_dir, 'init')
129 ex(bup_path, '-d', bup_dir, 'index', '-v', data_path)
130 ex(bup_path, '-d', bup_dir, 'save', '-tvvn', 'test', data_path)
131 git.check_repo_or_die(bup_dir)
132 top = vfs.RefList(None)
133 n = top.lresolve('/test/latest' + data_path)
135 WVPASS(m.mtime == test_time2)
136 WVPASS(len(n.subs()) == 2)
137 WVPASS(n.name == 'foo')
138 WVPASS(set([x.name for x in n.subs()]) == set(['file', 'symlink']))
140 if sub.name == 'file':
142 WVPASS(m.mtime == test_time1)
143 elif sub.name == 'symlink':
147 subprocess.call(['rm', '-rf', tmpdir])
151 if helpers.saved_errors:
152 return str(helpers.saved_errors[0])
157 def test_from_path_error():
158 if is_superuser() or detect_fakeroot():
160 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
162 path = tmpdir + '/foo'
164 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
165 WVPASSEQ(m.path, path)
167 metadata.from_path(path, archive_path=path, save_symlinks=True)
168 if metadata.get_linux_file_attr:
169 WVPASS(len(helpers.saved_errors) == 1)
170 errmsg = _first_err()
171 WVPASS(errmsg.startswith('read Linux attr'))
174 subprocess.call(['rm', '-rf', tmpdir])
178 def test_apply_to_path_restricted_access():
179 if is_superuser() or detect_fakeroot():
181 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
183 path = tmpdir + '/foo'
186 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
187 WVPASSEQ(m.path, path)
188 os.chmod(tmpdir, 000)
189 m.apply_to_path(path)
190 WVPASS(len(helpers.saved_errors) == 1)
191 errmsg = _first_err()
192 WVPASS(errmsg.startswith('utime: '))
195 subprocess.call(['rm', '-rf', tmpdir])
199 def test_restore_over_existing_target():
200 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
202 path = tmpdir + '/foo'
204 dir_m = metadata.from_path(path, archive_path=path, save_symlinks=True)
206 open(path, 'w').close()
207 file_m = metadata.from_path(path, archive_path=path, save_symlinks=True)
208 # Restore dir over file.
209 WVPASSEQ(dir_m.create_path(path, create_symlinks=True), None)
210 WVPASS(stat.S_ISDIR(os.stat(path).st_mode))
211 # Restore dir over dir.
212 WVPASSEQ(dir_m.create_path(path, create_symlinks=True), None)
213 WVPASS(stat.S_ISDIR(os.stat(path).st_mode))
214 # Restore file over dir.
215 WVPASSEQ(file_m.create_path(path, create_symlinks=True), None)
216 WVPASS(stat.S_ISREG(os.stat(path).st_mode))
217 # Restore file over file.
218 WVPASSEQ(file_m.create_path(path, create_symlinks=True), None)
219 WVPASS(stat.S_ISREG(os.stat(path).st_mode))
220 # Restore file over non-empty dir.
223 open(path + '/bar', 'w').close()
224 WVEXCEPT(Exception, file_m.create_path, path, create_symlinks=True)
225 # Restore dir over non-empty dir.
226 os.remove(path + '/bar')
227 os.mkdir(path + '/bar')
228 WVEXCEPT(Exception, dir_m.create_path, path, create_symlinks=True)
230 subprocess.call(['rm', '-rf', tmpdir])
233 from bup.metadata import posix1e
236 def POSIX1E_ACL_SUPPORT_IS_MISSING():
240 from bup.metadata import xattr
243 def LINUX_XATTR_SUPPORT_IS_MISSING():
247 def test_handling_of_incorrect_existing_linux_xattrs():
248 if not is_superuser():
251 for f in glob.glob('testfs/*'):
254 open(path, 'w').close()
255 xattr.set(path, 'foo', 'bar', namespace=xattr.NS_USER)
256 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
257 xattr.set(path, 'baz', 'bax', namespace=xattr.NS_USER)
258 m.apply_to_path(path, restore_numeric_ids=False)
259 WVPASSEQ(xattr.list(path), ['user.foo'])
260 WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')
261 xattr.set(path, 'foo', 'baz', namespace=xattr.NS_USER)
262 m.apply_to_path(path, restore_numeric_ids=False)
263 WVPASSEQ(xattr.list(path), ['user.foo'])
264 WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')
265 xattr.remove(path, 'foo', namespace=xattr.NS_USER)
266 m.apply_to_path(path, restore_numeric_ids=False)
267 WVPASSEQ(xattr.list(path), ['user.foo'])
268 WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')