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authorAmitay Isaacs <amitay@gmail.com>2011-08-02 16:13:43 +1000
committerAndrew Bartlett <abartlet@samba.org>2011-08-03 14:26:09 +1000
commit7d137f8bda1cc245762f53e6e8e562dda0336bdb (patch)
tree5db603378336534b86509c101ece9a8627a076b5 /source4/scripting
parentfb798d35df570d7cd9ad6386595dff9c5b0321e5 (diff)
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samba-tool: Add implementation of gpo create command
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Diffstat (limited to 'source4/scripting')
-rw-r--r--source4/scripting/python/samba/netcmd/gpo.py177
1 files changed, 176 insertions, 1 deletions
diff --git a/source4/scripting/python/samba/netcmd/gpo.py b/source4/scripting/python/samba/netcmd/gpo.py
index c9765f2f20..94b1c61265 100644
--- a/source4/scripting/python/samba/netcmd/gpo.py
+++ b/source4/scripting/python/samba/netcmd/gpo.py
@@ -43,6 +43,7 @@ from samba.auth import AUTH_SESSION_INFO_DEFAULT_GROUPS, AUTH_SESSION_INFO_AUTHE
from samba.netcmd.common import netcmd_finddc
from samba import policy
from samba import smb
+import uuid
def samdb_connect(ctx):
@@ -788,7 +789,181 @@ class cmd_fetch(Command):
class cmd_create(Command):
- """Create a GPO"""
+ """Create an empty GPO"""
+
+ synopsis = "%prog gpo create <displayname> [options]"
+
+ takes_optiongroups = {
+ "sambaopts": options.SambaOptions,
+ "versionopts": options.VersionOptions,
+ "credopts": options.CredentialsOptions,
+ }
+
+ takes_args = [ 'displayname' ]
+
+ takes_options = [
+ Option("-H", help="LDB URL for database or target server", type=str),
+ Option("--tmpdir", help="Temporary directory for copying policy files", type=str)
+ ]
+
+ def run(self, displayname, H=None, tmpdir=None, sambaopts=None, credopts=None,
+ versionopts=None):
+
+ self.lp = sambaopts.get_loadparm()
+ self.creds = credopts.get_credentials(self.lp, fallback_machine=True)
+
+ self.url = dc_url(self.lp, self.creds, H)
+
+ dc_hostname = netcmd_finddc(self.lp, self.creds)
+ samdb_connect(self)
+
+ msg = get_gpo_info(self.samdb, displayname=displayname)
+ if msg.count > 0:
+ raise CommandError("A GPO already existing with name '%s'" % displayname)
+
+ # Create new GUID
+ guid = str(uuid.uuid4())
+ gpo = "{%s}" % guid.upper()
+ realm = self.lp.get('realm')
+ unc_path = "\\\\%s\\sysvol\\%s\\Policies\\%s" % (realm, realm, gpo)
+
+ # Create GPT
+ if tmpdir is None:
+ tmpdir = "/tmp"
+ if not os.path.isdir(tmpdir):
+ raise CommandError("Temporary directory '%s' does not exist" % tmpdir)
+
+ localdir = os.path.join(tmpdir, "policy")
+ if not os.path.isdir(localdir):
+ os.mkdir(localdir)
+
+ gpodir = os.path.join(localdir, gpo)
+ if os.path.isdir(gpodir):
+ raise CommandError("GPO directory '%s' already exists, refusing to overwrite" % gpodir)
+
+ try:
+ os.mkdir(gpodir)
+ os.mkdir(os.path.join(gpodir, "Machine"))
+ os.mkdir(os.path.join(gpodir, "User"))
+ gpt_contents = "[General]\r\nVersion=0\r\n"
+ file(os.path.join(gpodir, "GPT.INI"), "w").write(gpt_contents)
+ except Exception, e:
+ raise CommandError("Error Creating GPO files", e)
+
+ # Add cn=<guid>
+ gpo_dn = self.samdb.get_default_basedn()
+ gpo_dn.add_child(ldb.Dn(self.samdb, "CN=Policies,CN=System"))
+ gpo_dn.add_child(ldb.Dn(self.samdb, "CN=%s" % gpo))
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(self.samdb, gpo_dn.get_linearized())
+ m['a01'] = ldb.MessageElement("top", ldb.FLAG_MOD_ADD, "objectClass")
+ m['a02'] = ldb.MessageElement("container", ldb.FLAG_MOD_ADD, "objectClass")
+ m['a03'] = ldb.MessageElement("groupPolicyContainer", ldb.FLAG_MOD_ADD, "objectClass")
+ m['a04'] = ldb.MessageElement(displayname, ldb.FLAG_MOD_ADD, "displayName")
+ m['a05'] = ldb.MessageElement(gpo, ldb.FLAG_MOD_ADD, "name")
+ m['a06'] = ldb.MessageElement(gpo, ldb.FLAG_MOD_ADD, "CN")
+ m['a07'] = ldb.MessageElement(unc_path, ldb.FLAG_MOD_ADD, "gPCFileSysPath")
+ m['a08'] = ldb.MessageElement("0", ldb.FLAG_MOD_ADD, "flags")
+ m['a09'] = ldb.MessageElement("0", ldb.FLAG_MOD_ADD, "versionNumber")
+ m['a10'] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_ADD, "showInAdvancedViewOnly")
+ m['a11'] = ldb.MessageElement("2", ldb.FLAG_MOD_ADD, "gpcFunctionalityVersion")
+ try:
+ self.samdb.add(m)
+ except Exception, e:
+ raise CommandError("Error adding GPO in AD", e)
+
+ # Add cn=User,cn=<guid>
+ child_dn = gpo_dn
+ child_dn.add_child(ldb.Dn(self.samdb, "CN=User"))
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(self.samdb, child_dn.get_linearized())
+ m['a01'] = ldb.MessageElement("top", ldb.FLAG_MOD_ADD, "objectClass")
+ m['a02'] = ldb.MessageElement("container", ldb.FLAG_MOD_ADD, "objectClass")
+ m['a03'] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_ADD, "showInAdvancedViewOnly")
+ m['a04'] = ldb.MessageElement("User", ldb.FLAG_MOD_ADD, "CN")
+ m['a05'] = ldb.MessageElement("User", ldb.FLAG_MOD_ADD, "name")
+ try:
+ self.samdb.add(m)
+ except Exception, e:
+ raise CommandError("Error adding GPO in AD", e)
+
+ # Add cn=User,cn=<guid>
+ child_dn = gpo_dn
+ child_dn.add_child(ldb.Dn(self.samdb, "CN=Machine"))
+
+ m = ldb.Message()
+ m.dn = ldb.Dn(self.samdb, child_dn.get_linearized())
+ m['a01'] = ldb.MessageElement("top", ldb.FLAG_MOD_ADD, "objectClass")
+ m['a02'] = ldb.MessageElement("container", ldb.FLAG_MOD_ADD, "objectClass")
+ m['a03'] = ldb.MessageElement("TRUE", ldb.FLAG_MOD_ADD, "showInAdvancedViewOnly")
+ m['a04'] = ldb.MessageElement("Machine", ldb.FLAG_MOD_ADD, "CN")
+ m['a05'] = ldb.MessageElement("Machine", ldb.FLAG_MOD_ADD, "name")
+ try:
+ self.samdb.add(m)
+ except Exception, e:
+ raise CommandError("Error adding GPO in AD", e)
+
+ # Copy GPO files over SMB
+ [dom_name, service, sharepath] = parse_unc(unc_path)
+ try:
+ conn = smb.SMB(dc_hostname, service, lp=self.lp, creds=self.creds)
+ except Exception, e:
+ raise CommandError("Error connecting to '%s' using SMB" % dc_hostname, e)
+
+ try:
+ create_directory_hier(conn, sharepath)
+ copy_directory_local_to_remote(conn, gpodir, sharepath)
+ except Exception, e:
+ raise CommandError("Error Copying GPO to DC", e)
+
+ # Get new security descriptor
+ msg = get_gpo_info(self.samdb, gpo=gpo)[0]
+ ds_sd_ndr = msg['ntSecurityDescriptor'][0]
+ ds_sd = ndr_unpack(dcerpc.security.descriptor, ds_sd_ndr)
+
+ # Create a file system security descriptor
+ fs_sd = dcerpc.security.descriptor()
+ fs_sd.owner_sid = ds_sd.owner_sid
+ fs_sd.group_sid = ds_sd.group_sid
+ fs_sd.type = ds_sd.type
+ fs_sd.revision = ds_sd.revision
+
+ # Copy sacl
+ fs_sd.sacl = ds_sd.sacl
+
+ # Copy dacl
+ dacl = ds_sd.dacl
+ for ace in dacl.aces:
+ # Don't add the allow for SID_BUILTIN_PREW2K
+ if (not (ace.type & dcerpc.security.SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT) and
+ ace.trustee == dcerpc.security.SID_BUILTIN_PREW2K):
+ continue
+
+ # Copy the ace from the directory server security descriptor
+ new_ace = ace
+
+ # Set specific inheritance flags for within the GPO
+ new_ace.flags |= (dcerpc.security.SEC_ACE_FLAG_OBJECT_INHERIT |
+ dcerpc.security.SEC_ACE_FLAG_CONTAINER_INHERIT)
+ if ace.trustee == dcerpc.security.SID_CREATOR_OWNER:
+ new_ace.flags |= dcerpc.security.SEC_ACE_FLAG_INHERIT_ONLY
+
+ # Get a directory access mask from the assigned access mask on the ldap object
+ new_ace.access_mask = policy.ads_to_dir_access_mask(ace.access_mask)
+
+ # Add the ace to DACL
+ fs_sd.dacl_add(new_ace)
+
+ # Set ACL
+ try:
+ conn.set_acl(sharepath, fs_sd)
+ except Exception, e:
+ raise CommandError("Error setting ACL on GPT", e)
+
+ print "GPO '%s' created as %s" % (displayname, gpo)
+
class cmd_setacl(Command):
"""Set ACL on a GPO"""