X-Git-Url: https://code.grnet.gr/git/snf-image-creator/blobdiff_plain/aa2062ba36d87b174fcea2a5daf6b987cdc9b61b..8bae613f329a2e5c6765914e51a7e1a1dc90f983:/image_creator/os_type/unix.py

diff --git a/image_creator/os_type/unix.py b/image_creator/os_type/unix.py
index ad65c15..9fe2c50 100644
--- a/image_creator/os_type/unix.py
+++ b/image_creator/os_type/unix.py
@@ -1,37 +1,134 @@
-#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright 2012 GRNET S.A. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or
+# without modification, are permitted provided that the following
+# conditions are met:
+#
+#   1. Redistributions of source code must retain the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer.
+#
+#   2. Redistributions in binary form must reproduce the above
+#      copyright notice, this list of conditions and the following
+#      disclaimer in the documentation and/or other materials
+#      provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# The views and conclusions contained in the software and
+# documentation are those of the authors and should not be
+# interpreted as representing official policies, either expressed
+# or implied, of GRNET S.A.
+
+"""This module hosts OS-specific code common to all Unix-like OSs."""
 
 import re
 
-from image_creator.os_type import OSBase
+from image_creator.os_type import OSBase, sysprep
+
 
 class Unix(OSBase):
-    def get_metadata(self):
-        meta = super(Unix, self).get_metadata()
-        meta["USERS"] = " ".join(self.get_passworded_users())
-        return meta
+    """OS class for Unix"""
+    sensitive_userdata = [
+        '.history',
+        '.bash_history',
+        '.gnupg',
+        '.ssh',
+        '.kamakirc',
+        '.kamaki.history'
+    ]
 
-    def get_passworded_users(self):
-        
-        users = []
+    def _mountpoints(self):
+        """Return mountpoints in the correct order.
+        / should be mounted before /boot or /usr, /usr befor /usr/bin ...
+        """
+        mps = self.g.inspect_get_mountpoints(self.root)
 
-        regexp = re.compile('(\S+):((?:!\S+)|(?:[^!*]\S+)|):(?:\S*:){6}')
+        def compare(a, b):
+            if len(a[0]) > len(b[0]):
+                return 1
+            elif len(a[0]) == len(b[0]):
+                return 0
+            else:
+                return -1
+        mps.sort(compare)
 
-        for line in open('/etc/shadow', 'r').readlines():
-            match = regexp.match(line)
-            if not match:
-                continue
+        for mp in mps:
+            yield mp
 
-            user, passwd = match.groups()
-            if len(passwd) > 0 and passwd[0] == '!':
-                print "Warning: %s is locked" % user
-            else:
-                users.append(user)
+    def _do_mount(self, readonly):
+        """Mount partitions in the correct order"""
+
+        critical_mpoints = ('/', '/etc', '/root', '/home', '/var')
+
+        mopts = 'ro' if readonly else 'rw'
+        for mp, dev in self._mountpoints():
+            try:
+                self.g.mount_options(mopts, dev, mp)
+            except RuntimeError as msg:
+                if mp in critical_mpoints:
+                    self.out.warn('unable to mount %s. Reason: %s' % (mp, msg))
+                    return False
+                else:
+                    self.out.warn('%s (ignored)' % msg)
+
+        return True
+
+    @sysprep('Removing files u)nder /var/cache')
+    def cleanup_cache(self):
+        """Remove all regular files under /var/cache"""
+
+        self._foreach_file('/var/cache', self.g.rm, ftype='r')
+
+    @sysprep('Removing files under /tmp and /var/tmp')
+    def cleanup_tmp(self):
+        """Remove all files under /tmp and /var/tmp"""
+
+        self._foreach_file('/tmp', self.g.rm_rf, maxdepth=1)
+        self._foreach_file('/var/tmp', self.g.rm_rf, maxdepth=1)
+
+    @sysprep('Emptying all files under /var/log')
+    def cleanup_log(self):
+        """Empty all files under /var/log"""
+
+        self._foreach_file('/var/log', self.g.truncate, ftype='r')
+
+    @sysprep('Removing files under /var/mail & /var/spool/mail', enabled=False)
+    def cleanup_mail(self):
+        """Remove all files under /var/mail and /var/spool/mail"""
+
+        if self.g.is_dir('/var/spool/mail'):
+            self._foreach_file('/var/spool/mail', self.g.rm_rf, maxdepth=1)
+
+        self._foreach_file('/var/mail', self.g.rm_rf, maxdepth=1)
+
+    @sysprep('Removing sensitive user data')
+    def cleanup_userdata(self):
+        """Delete sensitive userdata"""
 
-        return users
+        homedirs = ['/root']
+        if self.g.is_dir('/home/'):
+            homedirs += self._ls('/home/')
 
-    def cleanup_sensitive_data(self):
-        cleanup_userdata()
-        cleanup_tmp()
-        cleanup_log()
+        for homedir in homedirs:
+            for data in self.sensitive_userdata:
+                fname = "%s/%s" % (homedir, data)
+                if self.g.is_file(fname):
+                    self.g.scrub_file(fname)
+                elif self.g.is_dir(fname):
+                    self._foreach_file(fname, self.g.scrub_file, ftype='r')
 
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