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authorAndrew Tridgell <tridge@samba.org>2011-06-10 17:17:12 +1000
committerAndrew Tridgell <tridge@samba.org>2011-06-10 10:31:56 +0200
commit0c89d624e6d5620c9e37649cc2976aba918b1e6a (patch)
tree45c6903b84ee101be417f540af993bd5f0fa8cfa /source4/scripting/python
parent683f9868eb13cfaaf0da81bf002a85b81c928f51 (diff)
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s4-samba-tool: added dbcheck commmand
this will be used as a consistency checker and repair tool for sam.ldb. This initial checkin just checks for empty attributes and offers to fix them Autobuild-User: Andrew Tridgell <tridge@samba.org> Autobuild-Date: Fri Jun 10 10:31:56 CEST 2011 on sn-devel-104
Diffstat (limited to 'source4/scripting/python')
-rw-r--r--source4/scripting/python/samba/netcmd/__init__.py2
-rw-r--r--source4/scripting/python/samba/netcmd/dbcheck.py123
2 files changed, 125 insertions, 0 deletions
diff --git a/source4/scripting/python/samba/netcmd/__init__.py b/source4/scripting/python/samba/netcmd/__init__.py
index d934cf8af6..1373cb289b 100644
--- a/source4/scripting/python/samba/netcmd/__init__.py
+++ b/source4/scripting/python/samba/netcmd/__init__.py
@@ -212,3 +212,5 @@ from samba.netcmd.ldapcmp import cmd_ldapcmp
commands["ldapcmp"] = cmd_ldapcmp()
from samba.netcmd.testparm import cmd_testparm
commands["testparm"] = cmd_testparm()
+from samba.netcmd.dbcheck import cmd_dbcheck
+commands["dbcheck"] = cmd_dbcheck()
diff --git a/source4/scripting/python/samba/netcmd/dbcheck.py b/source4/scripting/python/samba/netcmd/dbcheck.py
new file mode 100644
index 0000000000..7bbd4d21b6
--- /dev/null
+++ b/source4/scripting/python/samba/netcmd/dbcheck.py
@@ -0,0 +1,123 @@
+#!/usr/bin/env python
+#
+# Samba4 AD database checker
+#
+# Copyright (C) Andrew Tridgell 2011
+#
+# 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 samba, ldb
+import samba.getopt as options
+from samba.auth import system_session
+from samba.samdb import SamDB
+from samba.dcerpc import security
+from samba.netcmd import (
+ Command,
+ CommandError,
+ Option
+ )
+
+def confirm(self, msg):
+ '''confirm an action with the user'''
+ if self.yes:
+ print("%s [YES]" % msg)
+ return True
+ v = raw_input(msg + ' [y/N] ')
+ return v.upper() in ['Y', 'YES']
+
+
+def empty_attribute(self, dn, attrname):
+ '''fix empty attributes'''
+ print("ERROR: Empty attribute %s in %s" % (attrname, dn))
+ if not self.fix:
+ return
+ if not confirm(self, 'Remove empty attribute %s from %s?' % (attrname, dn)):
+ print("Not fixing empty attribute %s" % attrname)
+ return
+
+ m = ldb.Message()
+ m.dn = dn
+ m[attrname] = ldb.MessageElement('', ldb.FLAG_MOD_DELETE, attrname)
+ try:
+ self.samdb.modify(m, ["relax:0"])
+ except Exception, msg:
+ print("Failed to remove empty attribute %s : %s" % (attrname, msg))
+ return
+ print("Removed empty attribute %s" % attrname)
+
+
+
+def check_object(self, dn):
+ '''check one object'''
+ if self.verbose:
+ print("Checking object %s" % dn)
+ res = self.samdb.search(base=dn, scope=ldb.SCOPE_BASE)
+ if len(res) != 1:
+ print("Object %s disappeared during check" % dn)
+ return
+ obj = res[0]
+ for attrname in obj:
+ if attrname == 'dn':
+ continue
+ for val in obj[attrname]:
+ if val == '':
+ empty_attribute(self, dn, attrname)
+ continue
+
+
+class cmd_dbcheck(Command):
+ """check local AD database for errors"""
+ synopsis = "dbcheck <DN> [options]"
+
+ takes_optiongroups = {
+ "sambaopts": options.SambaOptions,
+ "versionopts": options.VersionOptions,
+ "credopts": options.CredentialsOptionsDouble,
+ }
+
+ takes_args = ["DN?"]
+
+ takes_options = [
+ Option("--scope", dest="scope", default="SUB",
+ help="Pass search scope that builds DN list. Options: SUB, ONE, BASE"),
+ Option("--fix", dest="fix", default=False, action='store_true',
+ help='Fix any errors found'),
+ Option("--yes", dest="yes", default=False, action='store_true',
+ help="don't confirm changes, just do them all"),
+ Option("-v", "--verbose", dest="verbose", action="store_true", default=False,
+ help="Print more details of checking"),
+ ]
+
+ def run(self, DN=None, verbose=False, fix=False, yes=False,
+ scope="SUB", credopts=None, sambaopts=None, versionopts=None):
+ self.lp = sambaopts.get_loadparm()
+ self.creds = credopts.get_credentials(self.lp, fallback_machine=True)
+
+ self.samdb = SamDB(session_info=system_session(), url=None,
+ credentials=self.creds, lp=self.lp)
+ self.verbose = verbose
+ self.fix = fix
+ self.yes = yes
+
+ scope_map = { "SUB": ldb.SCOPE_SUBTREE, "BASE":ldb.SCOPE_BASE, "ONE":ldb.SCOPE_ONELEVEL }
+ scope = scope.upper()
+ if not scope in scope_map:
+ raise CommandError("Unknown scope %s" % scope)
+ self.search_scope = scope_map[scope]
+
+ res = self.samdb.search(base=DN, scope=self.search_scope, attrs=['dn'])
+ for object in res:
+ check_object(self, object.dn)
+ print('Checked %u objects' % len(res))