Exemple #1
0
    def fixxids(self, xid, pace=cfg.PACE[0]):

        # walk the root, and set all non-iunlink files to xid xid.  this
        # means that when a non iunlink file is deleted, the proper amount
        # of space is freed.

        xid = int(xid)

        print 'Fixing xids in %s for xid %d... (this may take a while)' % (
            self.vpsroot, xid)

        p = 0
        t, x = 0, 0

        for root, dirs, files in os.walk(self.vpsroot):

            for file in files + dirs:

                path = os.path.join(root, file)

                if pace and p >= pace:
                    sys.stdout.write('.')
                    sys.stdout.flush()
                    time.sleep(cfg.PACE[1])
                    p = 0
                else:
                    p += 1

                t += 1  # total file count

                if os.path.isdir(path) or path.endswith('dev/null') or \
                       path.endswith('etc/protocols') or path.endswith('etc/resolv.conf'):

                    # do not set xid on directories, as this breaks the ohd
                    # thing which would get permission denied trying to run
                    # stuff from another context. since space (not security) is
                    # the prime motivator for this, and dirs are tiny, this is ok
                    # XXX and of course the dev/null and etc/protocols is a total
                    # dirty hack to make traceroute work

                    # XXX or is it?

                    vsutil.set_file_xid(path, 0)

                elif (not vsutil.is_file_immutable_unlink(path)
                      and not os.path.islink(path)
                      and os.stat(path).st_nlink == 1):

                    vsutil.set_file_xid(path, xid)

                    x += 1  # setxid file count

                elif not os.path.islink(path):

                    # default to 0
                    vsutil.set_file_xid(path, 0)

        print 'Done.\n%d xids of a total of %d has been set to %d' % (x, t,
                                                                      xid)
Exemple #2
0
    def fixxids(self, xid, pace=cfg.PACE[0]):

        # walk the root, and set all non-iunlink files to xid xid.  this
        # means that when a non iunlink file is deleted, the proper amount
        # of space is freed.

        xid = int(xid)

        print 'Fixing xids in %s for xid %d... (this may take a while)' % (self.vpsroot, xid)

        p = 0
        t, x = 0, 0

        for root, dirs, files in os.walk(self.vpsroot):

            for file in files + dirs:

                path = os.path.join(root, file)

                if pace and p >= pace:
                    sys.stdout.write('.'); sys.stdout.flush()
                    time.sleep(cfg.PACE[1])
                    p = 0
                else:
                    p += 1

                t += 1  # total file count

                if os.path.isdir(path) or path.endswith('dev/null') or \
                       path.endswith('etc/protocols') or path.endswith('etc/resolv.conf'):

                    # do not set xid on directories, as this breaks the ohd
                    # thing which would get permission denied trying to run
                    # stuff from another context. since space (not security) is
                    # the prime motivator for this, and dirs are tiny, this is ok
                    # XXX and of course the dev/null and etc/protocols is a total
                    # dirty hack to make traceroute work

                    # XXX or is it?

                    vsutil.set_file_xid(path, 0)

                elif (not vsutil.is_file_immutable_unlink(path) and
                      not os.path.islink(path) and
                      os.stat(path).st_nlink == 1):

                    vsutil.set_file_xid(path, xid)

                    x += 1 # setxid file count

                elif not os.path.islink(path):

                    # default to 0
                    vsutil.set_file_xid(path, 0)
                    

        print 'Done.\n%d xids of a total of %d has been set to %d' % (x, t, xid)
Exemple #3
0
    def copy(self, src, dst, link=1, touch=0):
        """Copy a file, a directory or a link.  When link is 1
        (default), regular files will be hardlinked, as opposed to
        being copied. When touch is 1, only the file, but not the
        contents are copied (useful for logfiles).  """

        if os.path.islink(src):

            # if it is a symlink, always copy it (no sense in trying
            # to hardlink a symlink)

            os.symlink(os.readlink(src), dst)
            self.copyown(src, dst)
            self.counter['syms'] += 1

        elif os.path.isdir(src):

            # directories are also copied always

            os.mkdir(dst)
            self.copyown(src, dst)
            shutil.copystat(src, dst)
            self.counter['drs'] += 1

        elif os.path.isfile(src):

            # this a file, not a dir or symlink

            if touch:

                # means create a new file and copy perms

                open(dst, 'w')
                self.copyown(src, dst)
                shutil.copystat(src, dst)
                self.counter['touchs'] += 1

            elif link:

                # means we should hardlink

                if vsutil.is_file_immutable_unlink(src):
                    os.link(src, dst)
                    self.counter['lins'] += 1
                else:
                    # since it is not iunlink, copy it anyway
                    print 'Warning: not hardlinking %s because it is not iunlink' % src
                    shutil.copy(src, dst)
                    self.copyown(src, dst)
                    shutil.copystat(src, dst)
                    self.counter['bytes'] += os.path.getsize(dst)
                    self.counter['copys'] += 1

            else:

                # else copy it

                shutil.copy(src, dst)
                self.copyown(src, dst)
                shutil.copystat(src, dst)
                self.counter['bytes'] += os.path.getsize(dst)
                self.counter['copys'] += 1

        else:

            # this is a special device?

            s = os.stat(src)
            if stat.S_ISBLK(s.st_mode) or stat.S_ISCHR(s.st_mode) \
               or stat.S_ISFIFO(s.st_mode):
                os.mknod(dst, s.st_mode,
                         os.makedev(os.major(s.st_rdev), os.minor(s.st_rdev)))
                self.copyown(src, dst)
                shutil.copystat(src, dst)
                self.counter['devs'] += 1
Exemple #4
0
    def copy(self, src, dst, link=1, touch=0):
        """Copy a file, a directory or a link.  When link is 1
        (default), regular files will be hardlinked, as opposed to
        being copied. When touch is 1, only the file, but not the
        contents are copied (useful for logfiles).  """

        if os.path.islink(src):

            # if it is a symlink, always copy it (no sense in trying
            # to hardlink a symlink)

            os.symlink(os.readlink(src), dst)
            self.copyown(src, dst)
            self.counter['syms'] += 1

        elif os.path.isdir(src):

            # directories are also copied always

            os.mkdir(dst)
            self.copyown(src, dst)
            shutil.copystat(src, dst)
            self.counter['drs'] += 1

        elif os.path.isfile(src):

            # this a file, not a dir or symlink

            if touch:

                # means create a new file and copy perms

                open(dst, 'w')
                self.copyown(src, dst)
                shutil.copystat(src, dst)
                self.counter['touchs'] += 1

            elif link:

                # means we should hardlink

                if vsutil.is_file_immutable_unlink(src):
                    os.link(src, dst)
                    self.counter['lins'] += 1
                else:
                    # since it is not iunlink, copy it anyway
                    print 'Warning: not hardlinking %s because it is not iunlink' % src
                    shutil.copy(src, dst)
                    self.copyown(src, dst)
                    shutil.copystat(src, dst)
                    self.counter['bytes'] += os.path.getsize(dst)
                    self.counter['copys'] += 1

            else:

                # else copy it

                shutil.copy(src, dst)
                self.copyown(src, dst)
                shutil.copystat(src, dst)
                self.counter['bytes'] += os.path.getsize(dst)
                self.counter['copys'] += 1

        else:

            # this is a special device?

            s = os.stat(src)
            if stat.S_ISBLK(s.st_mode) or stat.S_ISCHR(s.st_mode) \
               or stat.S_ISFIFO(s.st_mode):
                os.mknod(dst, s.st_mode, os.makedev(os.major(s.st_rdev),
                                                    os.minor(s.st_rdev)))
                self.copyown(src, dst)
                shutil.copystat(src, dst)
                self.counter['devs'] += 1