root / image_creator / os_type / freebsd.py @ 06bfd21a
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# -*- coding: utf-8 -*-
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#
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# Copyright 2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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"""This module hosts OS-specific code for FreeBSD."""
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from image_creator.os_type.unix import Unix, sysprep |
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import re |
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class Freebsd(Unix): |
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"""OS class for FreeBSD Unix-like os"""
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@sysprep("Cleaning up passwords & locking all user accounts") |
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def cleanup_password(self): |
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"""Remove all passwords and lock all user accounts"""
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master_passwd = [] |
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for line in self.g.cat('/etc/master.passwd').splitlines(): |
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# Check for empty or comment lines
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if len(line.split('#')[0]) == 0: |
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master_passwd.append(line) |
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continue
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fields = line.split(':')
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if fields[1] not in ('*', '!'): |
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fields[1] = '!' |
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master_passwd.append(":".join(fields))
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self.g.write('/etc/master.passwd', "\n".join(master_passwd) + '\n') |
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# Make sure no one can login on the system
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self.g.rm_rf('/etc/spwd.db') |
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def _do_collect_metadata(self): |
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"""Collect metadata about the OS"""
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super(Freebsd, self)._do_collect_metadata() |
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self.meta["USERS"] = " ".join(self._get_passworded_users()) |
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#The original product name key is long and ugly
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self.meta['DESCRIPTION'] = \ |
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self.meta['DESCRIPTION'].split('#')[0].strip() |
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# Delete the USERS metadata if empty
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if not len(self.meta['USERS']): |
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self.out.warn("No passworded users found!") |
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del self.meta['USERS'] |
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def _get_passworded_users(self): |
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"""Returns a list of non-locked user accounts"""
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users = [] |
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regexp = re.compile( |
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'^([^:]+):((?:![^:]+)|(?:[^!*][^:]+)|):(?:[^:]*:){7}(?:[^:]*)'
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) |
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for line in self.g.cat('/etc/master.passwd').splitlines(): |
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line = line.split('#')[0] |
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match = regexp.match(line) |
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if not match: |
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continue
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user, passwd = match.groups() |
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if len(passwd) > 0 and passwd[0] == '!': |
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self.out.warn("Ignoring locked %s account." % user) |
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else:
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users.append(user) |
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return users
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def _do_mount(self, readonly): |
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"""Mount partitions in the correct order"""
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critical_mpoints = ('/', '/etc', '/root', '/home', '/var') |
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# libguestfs can't handle correct freebsd partitions on a GUID
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# Partition Table. We have to do the translation to linux device names
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# ourselves
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guid_device = re.compile('^/dev/((?:ada)|(?:vtbd))(\d+)p(\d+)$')
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mopts = "ufstype=ufs2,%s" % ('ro' if readonly else 'rw') |
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for mp, dev in self._mountpoints(): |
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match = guid_device.match(dev) |
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if match:
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group2 = int(match.group(2)) |
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group3 = int(match.group(3)) |
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dev = '/dev/sd%c%d' % (chr(ord('a') + group2), group3) |
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try:
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self.g.mount_vfs(mopts, 'ufs', dev, mp) |
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except RuntimeError as msg: |
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if mp in critical_mpoints: |
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self.out.warn('unable to mount %s. Reason: %s' % (mp, msg)) |
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return False |
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else:
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self.out.warn('%s (ignored)' % msg) |
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return True |
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# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
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