1 import glob, grp, pwd, stat, tempfile, subprocess
2 import bup.helpers as helpers
3 from bup import metadata
4 from bup.helpers import clear_errors, detect_fakeroot
13 cmd_str = ' '.join(cmd)
14 print >> sys.stderr, cmd_str
15 rc = subprocess.call(cmd)
17 print >> sys.stderr, 'terminated by signal', - rc
20 print >> sys.stderr, 'returned exit status', rc
23 print >> sys.stderr, 'subprocess call failed:', e
28 # Set up testfs with user_xattr, etc.
29 subprocess.call(['umount', 'testfs'])
30 ex('dd', 'if=/dev/zero', 'of=testfs.img', 'bs=1M', 'count=32')
31 ex('mke2fs', '-F', '-j', '-m', '0', 'testfs.img')
32 ex('rm', '-rf', 'testfs')
34 ex('mount', '-o', 'loop,acl,user_xattr', 'testfs.img', 'testfs')
35 # Hide, so that tests can't create risks.
36 os.chown('testfs', 0, 0)
37 os.chmod('testfs', 0700)
41 subprocess.call(['umount', 'testfs'])
46 def test_clean_up_archive_path():
47 cleanup = metadata._clean_up_path_for_archive
48 WVPASSEQ(cleanup('foo'), 'foo')
49 WVPASSEQ(cleanup('/foo'), 'foo')
50 WVPASSEQ(cleanup('///foo'), 'foo')
51 WVPASSEQ(cleanup('/foo/bar'), 'foo/bar')
52 WVPASSEQ(cleanup('foo/./bar'), 'foo/bar')
53 WVPASSEQ(cleanup('/foo/./bar'), 'foo/bar')
54 WVPASSEQ(cleanup('/foo/./bar/././baz'), 'foo/bar/baz')
55 WVPASSEQ(cleanup('/foo/./bar///././baz'), 'foo/bar/baz')
56 WVPASSEQ(cleanup('//./foo/./bar///././baz/.///'), 'foo/bar/baz/')
57 WVPASSEQ(cleanup('./foo/./.bar'), 'foo/.bar')
58 WVPASSEQ(cleanup('./foo/.'), 'foo')
59 WVPASSEQ(cleanup('./foo/..'), '.')
60 WVPASSEQ(cleanup('//./..//.../..//.'), '.')
61 WVPASSEQ(cleanup('//./..//..././/.'), '...')
62 WVPASSEQ(cleanup('/////.'), '.')
63 WVPASSEQ(cleanup('/../'), '.')
64 WVPASSEQ(cleanup(''), '.')
68 def test_risky_path():
69 risky = metadata._risky_path
71 WVPASS(risky('///foo'))
72 WVPASS(risky('/../foo'))
73 WVPASS(risky('../foo'))
74 WVPASS(risky('foo/..'))
75 WVPASS(risky('foo/../'))
76 WVPASS(risky('foo/../bar'))
79 WVFAIL(risky('foo///'))
80 WVFAIL(risky('./foo'))
81 WVFAIL(risky('foo/.'))
82 WVFAIL(risky('./foo/.'))
83 WVFAIL(risky('foo/bar'))
84 WVFAIL(risky('foo/./bar'))
88 def test_clean_up_extract_path():
89 cleanup = metadata._clean_up_extract_path
90 WVPASSEQ(cleanup('/foo'), 'foo')
91 WVPASSEQ(cleanup('///foo'), 'foo')
92 WVFAIL(cleanup('/../foo'))
93 WVFAIL(cleanup('../foo'))
94 WVFAIL(cleanup('foo/..'))
95 WVFAIL(cleanup('foo/../'))
96 WVFAIL(cleanup('foo/../bar'))
97 WVPASSEQ(cleanup('foo'), 'foo')
98 WVPASSEQ(cleanup('foo/'), 'foo/')
99 WVPASSEQ(cleanup('foo///'), 'foo///')
100 WVPASSEQ(cleanup('./foo'), './foo')
101 WVPASSEQ(cleanup('foo/.'), 'foo/.')
102 WVPASSEQ(cleanup('./foo/.'), './foo/.')
103 WVPASSEQ(cleanup('foo/bar'), 'foo/bar')
104 WVPASSEQ(cleanup('foo/./bar'), 'foo/./bar')
105 WVPASSEQ(cleanup('/'), '.')
106 WVPASSEQ(cleanup('./'), './')
107 WVPASSEQ(cleanup('///foo/bar'), 'foo/bar')
108 WVPASSEQ(cleanup('///foo/bar'), 'foo/bar')
112 if helpers.saved_errors:
113 return str(helpers.saved_errors[0])
118 def test_from_path_error():
119 if os.geteuid() == 0 or detect_fakeroot():
121 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
123 path = tmpdir + '/foo'
125 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
126 WVPASSEQ(m.path, path)
128 metadata.from_path(path, archive_path=path, save_symlinks=True)
129 if metadata.get_linux_file_attr:
130 errmsg = _first_err()
131 WVPASS(errmsg.startswith('read Linux attr'))
134 subprocess.call(['rm', '-rf', tmpdir])
138 def test_apply_to_path_restricted_access():
139 if os.geteuid() == 0 or detect_fakeroot():
141 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
143 path = tmpdir + '/foo'
146 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
147 WVPASSEQ(m.path, path)
148 os.chmod(tmpdir, 000)
149 m.apply_to_path(path)
150 errmsg = _first_err()
151 WVPASS(errmsg.startswith('utime: '))
154 subprocess.call(['rm', '-rf', tmpdir])
158 def test_restore_restricted_user_group():
159 if os.geteuid() == 0 or detect_fakeroot():
161 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
163 path = tmpdir + '/foo'
165 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
166 WVPASSEQ(m.path, path)
167 WVPASSEQ(m.apply_to_path(path), None)
170 m.apply_to_path(path, restore_numeric_ids=True)
171 errmsg = _first_err()
172 WVPASS(errmsg.startswith('lchown: '))
176 m.apply_to_path(path, restore_numeric_ids=True)
177 errmsg = _first_err()
178 WVPASS(errmsg.startswith('lchown: ') or os.stat(path).st_gid == m.gid)
181 subprocess.call(['rm', '-rf', tmpdir])
185 def test_restore_nonexistent_user_group():
186 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
188 path = tmpdir + '/foo'
190 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
191 WVPASSEQ(m.path, path)
192 junk,m.owner = max([(len(x.pw_name), x.pw_name + 'x')
193 for x in pwd.getpwall()])
194 junk,m.group = max([(len(x.gr_name), x.gr_name + 'x')
195 for x in grp.getgrall()])
196 WVPASSEQ(m.apply_to_path(path, restore_numeric_ids=True), None)
197 WVPASSEQ(os.stat(path).st_uid, m.uid)
198 WVPASSEQ(os.stat(path).st_gid, m.gid)
199 WVPASSEQ(m.apply_to_path(path, restore_numeric_ids=False), None)
200 WVPASSEQ(os.stat(path).st_uid, m.uid)
201 WVPASSEQ(os.stat(path).st_gid, m.gid)
203 subprocess.call(['rm', '-rf', tmpdir])
207 def test_restore_over_existing_target():
208 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
210 path = tmpdir + '/foo'
212 dir_m = metadata.from_path(path, archive_path=path, save_symlinks=True)
214 open(path, 'w').close()
215 file_m = metadata.from_path(path, archive_path=path, save_symlinks=True)
216 # Restore dir over file.
217 WVPASSEQ(dir_m.create_path(path, create_symlinks=True), None)
218 WVPASS(stat.S_ISDIR(os.stat(path).st_mode))
219 # Restore dir over dir.
220 WVPASSEQ(dir_m.create_path(path, create_symlinks=True), None)
221 WVPASS(stat.S_ISDIR(os.stat(path).st_mode))
222 # Restore file over dir.
223 WVPASSEQ(file_m.create_path(path, create_symlinks=True), None)
224 WVPASS(stat.S_ISREG(os.stat(path).st_mode))
225 # Restore file over file.
226 WVPASSEQ(file_m.create_path(path, create_symlinks=True), None)
227 WVPASS(stat.S_ISREG(os.stat(path).st_mode))
228 # Restore file over non-empty dir.
231 open(path + '/bar', 'w').close()
232 WVEXCEPT(Exception, file_m.create_path, path, create_symlinks=True)
233 # Restore dir over non-empty dir.
234 os.remove(path + '/bar')
235 os.mkdir(path + '/bar')
236 WVEXCEPT(Exception, dir_m.create_path, path, create_symlinks=True)
238 subprocess.call(['rm', '-rf', tmpdir])
241 from bup.metadata import posix1e
244 def POSIX1E_ACL_SUPPORT_IS_MISSING():
248 from bup.metadata import xattr
251 def LINUX_XATTR_SUPPORT_IS_MISSING():
255 def test_handling_of_incorrect_existing_linux_xattrs():
256 if os.geteuid() != 0 or detect_fakeroot():
259 for f in glob.glob('testfs/*'):
262 open(path, 'w').close()
263 xattr.set(path, 'foo', 'bar', namespace=xattr.NS_USER)
264 m = metadata.from_path(path, archive_path=path, save_symlinks=True)
265 xattr.set(path, 'baz', 'bax', 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')
269 xattr.set(path, 'foo', 'baz', namespace=xattr.NS_USER)
270 m.apply_to_path(path, restore_numeric_ids=False)
271 WVPASSEQ(xattr.list(path), ['user.foo'])
272 WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')
273 xattr.remove(path, 'foo', namespace=xattr.NS_USER)
274 m.apply_to_path(path, restore_numeric_ids=False)
275 WVPASSEQ(xattr.list(path), ['user.foo'])
276 WVPASSEQ(xattr.get(path, 'user.foo'), 'bar')