s4-net: Convert machinepw command to python.

source4/scripting/python/samba/netcmd/machinepw.py

@@ -0,0 +1,53 @@
+#!/usr/bin/python
+#
+# Machine passwords
+# Copyright Jelmer Vernooij 2010
+#
+# 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.getopt as options
+
+from samba import Ldb
+from samba.auth import system_session
+from samba.netcmd import Command, CommandError
+
+
+class cmd_machinepw(Command):
+    """Get a machine password out of our SAM."""
+
+    synopsis = "%prog machinepw <accountname>"
+
+    takes_optiongroups = {
+        "sambaopts": options.SambaOptions,
+        "versionopts": options.VersionOptions,
+        "credopts": options.CredentialsOptions,
+    }
+
+    takes_args = ["secret"]
+
+    def run(self, secret, sambaopts=None, credopts=None, versionopts=None):
+        lp = sambaopts.get_loadparm()
+        creds = credopts.get_credentials(lp)
+        url = lp.get("secrets database")
+        secretsdb = Ldb(url=url, session_info=system_session(),
+            credentials=creds, lp=lp)
+        
+        result = secretsdb.search(attrs=["secret"], 
+            expression="(&(objectclass=primaryDomain)(samaccountname=%s))" % secret)
+
+        if len(result) != 1:
+            raise CommandError("search returned %d records, expected 1" % len(result))
+
+        self.outf.write("%s\n" % result[0]["secret"])