Esempio n. 1
0
    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())
Esempio n. 2
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    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)
Esempio n. 3
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    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)
Esempio n. 4
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 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)
Esempio n. 5
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    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)