def testDiff(self):
f = files.RegularFile(None)
f.inode.perms.set(0444)
f.inode.mtime.set(0100)
f.inode.owner.set("root")
f.inode.group.set("root")
f.contents = files.RegularFileStream()
s = 'hi'
f.contents.size.set(len(s))
f.contents.sha1.set(sha1helper.sha1String(s))
f.flags.set(0)
s = files.SymbolicLink(None)
s.inode.perms.set(0604)
s.inode.mtime.set(0100)
s.inode.owner.set('daemon')
s.inode.group.set('uucp')
# to make sure that referenced names "exist"
files.userCache.nameCache['daemon'] = 2
files.groupCache.nameCache['uucp'] = 14
s.flags.set(0)
s.target.set("/some/target")
# when the lsTag is different, the diff should just the frozen
# file object
assert(s.diff(f) == s.freeze())
def testContentsChanged(self):
f = files.RegularFile(None)
f.inode.perms.set(0444)
f.inode.mtime.set(0100)
f.inode.owner.set("root")
f.inode.group.set("root")
f.contents = files.RegularFileStream()
s = 'hi'
f.contents.size.set(len(s))
f.contents.sha1.set(sha1helper.sha1String(s))
f.flags.set(0)
# this file stream diff has no contents change. verify that
# contentsChanged returns the correct value
diff = f.diff(f)
assert(files.contentsChanged(diff) == False)
f2 = f.copy()
s = 'bye'
f2.contents.size.set(len(s))
f2.contents.sha1.set(sha1helper.sha1String(s))
# this diff should have changed contents
diff = f.diff(f2)
assert(files.contentsChanged(diff) == True)
# non-regular files should always return False
s = files.SymbolicLink(None)
s.inode.perms.set(0604)
s.inode.mtime.set(0100)
s.inode.owner.set('daemon')
s.inode.group.set('uucp')
# to make sure that referenced names "exist"
files.userCache.nameCache['daemon'] = 2
files.groupCache.nameCache['uucp'] = 14
s.flags.set(0)
s.target.set("/some/target")
s2 = s.copy()
s2.target.set("/some/other/target")
diff = s.diff(s2)
assert(files.contentsChanged(diff) == False)
diff = s.diff(s)
assert(files.contentsChanged(diff) == False)
# test some pre-generated diffs - no change
diff = '\x01-\x01\x00\x00\x05\x00"\x01\x00\x02\x01\xa4\x02\x00\x04B\x82=4\x03\x00\x08kvandine\x04\x00\x08kvandine'
assert(files.contentsChanged(diff) == False)
# this one has contents changed
diff = '\x01-\x01\x00"\x01\x00\x08\x00\x00\x00\x00\x00\x00\x02q\x02\x00\x14\xac\x87%\xeb1a/&\xdf\x81\xb9O\xee\xf9\x895\xd4\xb8i\xd4\x05\x00\x1d\x02\x00\x04B\x82Ec\x03\x00\x08kvandine\x04\x00\x08kvandine'
assert(files.contentsChanged(diff) == True)
def testJournal(self):
class Journal:
def __init__(self):
self.perms = []
self.devnodes = []
def lchown(self, root, target, uid, gid):
self.perms.append((root, target, uid, gid))
def mknod(self, root, target, devtype, major, minor, mode,
uid, gid):
self.devnodes.append((root, target, devtype, major, minor,
mode, uid, gid))
path = tempfile.mkdtemp()
try:
journal = Journal()
filelist = []
for (name, cls) in (('/dev/block', files.BlockDevice),
('/dev/char', files.CharacterDevice)):
d = cls(None)
d.inode.perms.set(0604)
d.inode.mtime.set(0100)
d.inode.owner.set("daemon")
d.inode.group.set("uucp")
# to make sure that referenced names "exist"
files.userCache.nameCache['daemon'] = 2
files.groupCache.nameCache['uucp'] = 14
d.flags.set(0)
d.devt.major.set(3)
d.devt.minor.set(1)
filelist.append((name, d))
for name, d in filelist:
p = path + name
d.restore(None, path, p, journal=journal)
assert(journal.devnodes ==
[(path, path + '/dev/block', 'b', 3, 1, 0604, 'daemon', 'uucp'),
(path, path + '/dev/char', 'c', 3, 1, 0604, 'daemon', 'uucp')])
d = files.RegularFile(None)
d.inode.perms.set(1755)
d.inode.owner.set('root')
d.inode.group.set('root')
d.inode.mtime.set(0100)
contents = filecontents.FromString('Hello, world')
d.restore(contents, path, path + '/sbin/ping', journal=journal)
assert(journal.perms == [(path, path + '/sbin/ping', 'root', 'root')])
finally:
shutil.rmtree(path)
def testFileId(self):
# this test verifies that the value produced as the fileId
# of a known stream matches its pre-calculated value.
f = files.RegularFile(None)
f.inode.perms.set(0604)
f.inode.mtime.set(0100)
f.inode.owner.set("daemon")
f.inode.group.set("uucp")
# to make sure that referenced names "exist"
files.userCache.nameCache['daemon'] = 2
files.groupCache.nameCache['uucp'] = 14
s = "hello world"
contents = filecontents.FromString(s)
f.contents = files.RegularFileStream()
f.contents.size.set(len(s))
f.contents.sha1.set(sha1helper.sha1String(s))
f.flags.set(0)
expectedId = '567355867fbbcb2be55d35c3d229a7df8152fdbc'
self.assertEqual(f.freeze(), '-\x01\x00"\x01\x00\x08\x00\x00\x00\x00\x00\x00\x00\x0b\x02\x00\x14*\xael5\xc9O\xcf\xb4\x15\xdb\xe9_@\x8b\x9c\xe9\x1e\xe8F\xed\x03\x00\x04\x00\x00\x00\x00\x05\x00\x1c\x01\x00\x02\x01\x84\x02\x00\x04\x00\x00\x00@\x03\x00\x06daemon\x04\x00\x04uucp')
self.assertEqual(sha1helper.sha1ToString(f.fileId()), expectedId)
def testOwnership(self):
f = files.RegularFile(None)
f.inode.perms.set(0604)
f.inode.mtime.set(0100)
f.inode.owner.set("daemon")
f.inode.group.set("uucp")
# to make sure that referenced names "exist"
files.userCache.nameCache['daemon'] = 2
files.userCache.nameCache['uucp'] = 10
files.groupCache.nameCache['uucp'] = 14
s = "hello world"
contents = filecontents.FromString(s)
f.contents = files.RegularFileStream()
f.contents.size.set(len(s))
f.contents.sha1.set(sha1helper.sha1String(s))
f.flags.set(0)
# and setuid root
fr = files.RegularFile(None)
fr.inode.perms.set(06755)
fr.inode.mtime.set(0100)
fr.inode.owner.set("root")
fr.inode.group.set("root")
fr.contents = files.RegularFileStream()
fr.contents.size.set(len(s))
fr.contents.sha1.set(sha1helper.sha1String(s))
fr.flags.set(0)
# and unwriteable
fo = files.RegularFile(None)
fo.inode.perms.set(0444)
fo.inode.mtime.set(0100)
fo.inode.owner.set("root")
fo.inode.group.set("root")
fo.contents = files.RegularFileStream()
fo.contents.size.set(len(s))
fo.contents.sha1.set(sha1helper.sha1String(s))
fo.flags.set(0)
# and secret
fs = files.RegularFile(None)
fs.inode.perms.set(0400)
fs.inode.mtime.set(0100)
fs.inode.owner.set("root")
fs.inode.group.set("root")
fs.contents = files.RegularFileStream()
fs.contents.size.set(len(s))
fs.contents.sha1.set(sha1helper.sha1String(s))
fs.flags.set(0)
f2 = f.copy()
assert(f == f2)
d = tempfile.mkdtemp()
# before we mimic root, test a non-root of setu/gid file
pr = d+"/setuid"
fr.restore(contents, d, pr)
assert not os.stat(pr).st_mode & 04000
try:
self.mimicRoot()
p = d + "/file"
f.restore(contents, d, p)
assert self.compareChownLog([ (p, 2, 14) ])
self.chownLog = []
f.inode.owner.set("rootroot")
self.logCheck(f.restore, (contents, d, p),
"warning: user rootroot does not exist - using root")
assert self.compareChownLog([ (p, 0, 14) ])
self.chownLog = []
f.inode.owner.set("uucp")
f.inode.group.set("grpgrp")
self.logCheck(f.restore, (contents, d, p),
"warning: group grpgrp does not exist - using root")
assert self.compareChownLog([ (p, 10, 0) ])
self.chmodLog = []
pr = d+"/setuid"
fr.restore(contents, d, pr)
assert self.compareChmodLog([ (pr, 06755) ])
assert os.stat(pr).st_mode & 07777 == 06755
self.chmodLog = []
po = d+"/unwriteable"
fo.restore(contents, d, po)
assert self.compareChmodLog([ (po, 0444) ])
assert os.stat(po).st_mode & 07777 == 0444
self.chmodLog = []
ps = d+"/secret"
fs.restore(contents, d, ps)
assert self.compareChmodLog([ (ps, 0400) ])
assert os.stat(ps).st_mode & 07777 == 0400
self.chmodLog = []
finally:
self.realRoot()
shutil.rmtree(d)
