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import unittest, os
from commontest import *
from rdiff_backup import Globals, log
"""Root tests - contain tests which need to be run as root.
Some of the quoting here may not work with csh (works on bash). Also,
if you aren't me, check out the 'user' global variable.
"""
Globals.set('change_source_perms', None)
Globals.counter = 0
verbosity = 6
log.Log.setverbosity(verbosity)
user = 'ben' # Non-root user to su to
userid = 500 # id of user above
assert os.getuid() == 0, "Run this test as root!"
def Run(cmd):
print "Running: ", cmd
assert not os.system(cmd)
class RootTest(unittest.TestCase):
dirlist1 = ["testfiles/root", "testfiles/various_file_types", "testfiles/increment4"]
dirlist2 = ["testfiles/increment4", "testfiles/root",
"testfiles/increment1"]
def testLocal1(self): BackupRestoreSeries(1, 1, self.dirlist1)
def testLocal2(self): BackupRestoreSeries(1, 1, self.dirlist2)
def testRemote(self): BackupRestoreSeries(None, None, self.dirlist1)
def test_ownership_mapping(self):
"""Test --user-mapping-file and --group-mapping-file options"""
def write_ownership_dir():
"""Write the directory testfiles/root_mapping"""
rp = rpath.RPath(Globals.local_connection,
"testfiles/root_mapping")
if rp.lstat(): Myrm(rp.path)
rp.mkdir()
rp1 = rp.append('1')
rp1.touch()
rp2 = rp.append('2')
rp2.touch()
rp2.chown(userid, 1) # use groupid 1, usually bin
return rp
def write_mapping_files(dir_rp):
"""Write user and group mapping files, return paths"""
user_map_rp = dir_rp.append('user_map')
group_map_rp = dir_rp.append('group_map')
user_map_rp.write_string('root:%s\n%s:root' % (user, user))
group_map_rp.write_string('0:1')
return user_map_rp.path, group_map_rp.path
def get_ownership(dir_rp):
"""Return pair (ids of dir_rp/1, ids of dir_rp2) of ids"""
rp1, rp2 = map(dir_rp.append, ('1', '2'))
assert rp1.isreg() and rp2.isreg(), (rp1.isreg(), rp2.isreg())
return (rp1.getuidgid(), rp2.getuidgid())
in_rp = write_ownership_dir()
user_map, group_map = write_mapping_files(in_rp)
out_rp = rpath.RPath(Globals.local_connection, 'testfiles/output')
if out_rp.lstat(): Myrm(out_rp.path)
assert get_ownership(in_rp) == ((0,0), (userid, 1)), \
get_ownership(in_rp)
rdiff_backup(1, 0, in_rp.path, out_rp.path,
extra_options = ("--user-mapping-file %s "
"--group-mapping-file %s" %
(user_map, group_map)))
assert get_ownership(out_rp) == ((userid, 1), (0, 1)), \
get_ownership(in_rp)
class HalfRoot(unittest.TestCase):
"""Backing up files where origin is root and destination is non-root"""
def make_dirs(self):
"""Make source directories, return rpaths
These make a directory with a changing file that is not
self-readable. (Caused problems earlier.)
"""
rp1 = rpath.RPath(Globals.local_connection, "testfiles/root_half1")
if rp1.lstat(): Myrm(rp1.path)
rp1.mkdir()
rp1_1 = rp1.append('foo')
rp1_1.write_string('hello')
rp1_1.chmod(0)
rp1_2 = rp1.append('to be deleted')
rp1_2.write_string('aosetuhaosetnuhontu')
rp1_2.chmod(0)
rp1_3 = rp1.append('unreadable_dir')
rp1_3.mkdir()
rp1_3_1 = rp1_3.append('file_inside')
rp1_3_1.write_string('blah')
rp1_3.chmod(0)
rp2 = rpath.RPath(Globals.local_connection, "testfiles/root_half2")
if rp2.lstat(): Myrm(rp2.path)
rp2.mkdir()
rp2_1 = rp2.append('foo')
rp2_1.write_string('goodbye')
rp2_1.chmod(0)
rp2_3 = rp2.append('unreadable_dir')
rp2_3.mkdir()
rp2_3_2 = rp2_3.append('file2')
rp2_3_2.touch()
rp2_3.chmod(0)
return rp1, rp2
def test_backup(self):
"""Test back up, simple restores"""
in_rp1, in_rp2 = self.make_dirs()
outrp = rpath.RPath(Globals.local_connection, "testfiles/output")
if outrp.lstat(): outrp.delete()
remote_schema = 'su -c "rdiff-backup --server" %s' % (user,)
cmd_schema = ("rdiff-backup -v" + str(verbosity) +
" --current-time %s --remote-schema '%%s' %s '%s'::%s")
cmd1 = cmd_schema % (10000, in_rp1.path, remote_schema, outrp.path)
print "Executing: ", cmd1
assert not os.system(cmd1)
in_rp1.setdata()
outrp.setdata()
assert CompareRecursive(in_rp1, outrp)
cmd2 = cmd_schema % (20000, in_rp2.path, remote_schema, outrp.path)
print "Executing: ", cmd2
assert not os.system(cmd2)
in_rp2.setdata()
outrp.setdata()
assert CompareRecursive(in_rp2, outrp)
rout_rp = rpath.RPath(Globals.local_connection,
"testfiles/restore_out")
Myrm(rout_rp.path)
cmd3 = cmd_schema % (10000,
"-r 10000 %s/unreadable_dir" % (outrp.path,),
remote_schema, rout_rp.path)
print "Executing restore: ", cmd3
assert not os.system(cmd3)
rout_rp.setdata()
assert rout_rp.getperms() == 0, rout_rp.getperms()
Myrm(rout_rp.path)
cmd4 = cmd_schema % (10000,
"-r now %s/unreadable_dir" % (outrp.path,),
remote_schema, rout_rp.path)
print "Executing restore: ", cmd4
assert not os.system(cmd4)
rout_rp.setdata()
assert rout_rp.getperms() == 0, rout_rp.getperms()
class NonRoot(unittest.TestCase):
"""Test backing up as non-root user
Test backing up a directory with files of different userids and
with device files in it, as a non-root user. When restoring as
root, everything should be restored normally.
"""
def make_root_dirs(self):
"""Make directory createable only by root"""
rp = rpath.RPath(Globals.local_connection, "testfiles/root_out1")
if rp.lstat(): Myrm(rp.path)
rp.mkdir()
rp1 = rp.append("1")
rp1.touch()
rp2 = rp.append("2")
rp2.touch()
rp2.chown(1, 1)
rp3 = rp.append("3")
rp3.touch()
rp3.chown(2, 2)
rp4 = rp.append("dev")
rp4.makedev('c', 4, 28)
sp = rpath.RPath(Globals.local_connection, "testfiles/root_out2")
if sp.lstat(): Myrm(sp.path)
Run("cp -a %s %s" % (rp.path, sp.path))
rp2 = sp.append("2")
rp2.chown(2, 2)
rp3 = sp.append("3")
rp3.chown(1, 1)
assert not CompareRecursive(rp, sp, compare_ownership = 1)
return rp, sp
def backup(self, input_rp, output_rp, time):
global user
backup_cmd = ("rdiff-backup --no-compare-inode "
"--current-time %s %s %s" %
(time, input_rp.path, output_rp.path))
Run("su %s -c '%s'" % (user, backup_cmd))
def restore(self, dest_rp, restore_rp, time = None):
assert restore_rp.path == "testfiles/rest_out"
Myrm(restore_rp.path)
if time is None: time = "now"
restore_cmd = "rdiff-backup -r %s %s %s" % (time, dest_rp.path,
restore_rp.path,)
Run(restore_cmd)
def test_non_root(self):
"""Main non-root -> root test"""
Myrm("testfiles/output")
input_rp1, input_rp2 = self.make_root_dirs()
Globals.change_ownership = 1
output_rp = rpath.RPath(Globals.local_connection, "testfiles/output")
restore_rp = rpath.RPath(Globals.local_connection,
"testfiles/rest_out")
empty_rp = rpath.RPath(Globals.local_connection, "testfiles/empty")
self.backup(input_rp1, output_rp, 1000000)
self.restore(output_rp, restore_rp)
assert CompareRecursive(input_rp1, restore_rp, compare_ownership = 1)
self.backup(input_rp2, output_rp, 2000000)
self.restore(output_rp, restore_rp)
assert CompareRecursive(input_rp2, restore_rp, compare_ownership = 1)
self.backup(empty_rp, output_rp, 3000000)
self.restore(output_rp, restore_rp)
assert CompareRecursive(empty_rp, restore_rp, compare_ownership = 1)
self.restore(output_rp, restore_rp, 1000000)
assert CompareRecursive(input_rp1, restore_rp, compare_ownership = 1)
self.restore(output_rp, restore_rp, 2000000)
assert CompareRecursive(input_rp2, restore_rp, compare_ownership = 1)
if __name__ == "__main__": unittest.main()
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