Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/python/samba/gp/vgp_symlink_ext.py b/python/samba/gp/vgp_symlink_ext.py
new file mode 100644
index 0000000..4f85264
--- /dev/null
+++ b/python/samba/gp/vgp_symlink_ext.py
@@ -0,0 +1,76 @@
+# vgp_symlink_ext samba gpo policy
+# Copyright (C) David Mulder <dmulder@suse.com> 2020
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+from samba.gp.gpclass import gp_xml_ext, gp_file_applier
+from samba.gp.util.logging import log
+
+class vgp_symlink_ext(gp_xml_ext, gp_file_applier):
+    def __str__(self):
+        return 'VGP/Unix Settings/Symbolic Links'
+
+    def process_group_policy(self, deleted_gpo_list, changed_gpo_list):
+        for guid, settings in deleted_gpo_list:
+            if str(self) in settings:
+                for attribute, symlink in settings[str(self)].items():
+                    self.unapply(guid, attribute, symlink)
+
+        for gpo in changed_gpo_list:
+            if gpo.file_sys_path:
+                xml = 'MACHINE/VGP/VTLA/Unix/Symlink/manifest.xml'
+                path = os.path.join(gpo.file_sys_path, xml)
+                xml_conf = self.parse(path)
+                if not xml_conf:
+                    continue
+                policy = xml_conf.find('policysetting')
+                data = policy.find('data')
+                for entry in data.findall('file_properties'):
+                    source = entry.find('source').text
+                    target = entry.find('target').text
+                    # We can only create a single instance of the target, so
+                    # this becomes our unchanging attribute.
+                    attribute = target
+                    # The changeable part of our policy is the source (the
+                    # thing the target points to), so our value hash is based
+                    # on the source.
+                    value_hash = self.generate_value_hash(source)
+                    def applier_func(source, target):
+                        if not os.path.exists(target):
+                            os.symlink(source, target)
+                            return [target]
+                        else:
+                            log.warn('Symlink destination exists', target)
+                        return []
+                    self.apply(gpo.name, attribute, value_hash, applier_func,
+                               source, target)
+
+    def rsop(self, gpo):
+        output = {}
+        xml = 'MACHINE/VGP/VTLA/Unix/Symlink/manifest.xml'
+        if gpo.file_sys_path:
+            path = os.path.join(gpo.file_sys_path, xml)
+            xml_conf = self.parse(path)
+            if not xml_conf:
+                return output
+            policy = xml_conf.find('policysetting')
+            data = policy.find('data')
+            for entry in data.findall('file_properties'):
+                source = entry.find('source').text
+                target = entry.find('target').text
+                if str(self) not in output.keys():
+                    output[str(self)] = []
+                output[str(self)].append('ln -s %s %s' % (source, target))
+        return output