Added name_to_sid and sid_to_name functions.

source/python/py_winbind.c

@@ -1,6 +1,27 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Python wrapper for winbind client functions.
+
+   Copyright (C) Tim Potter      2002
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
 #include "includes.h"
 #include "Python.h"
-#include "python/py_common.h"
 
 /* 
  * Exceptions raised by this module 
@@ -8,11 +29,125 @@
 
 PyObject *winbind_error;	/* A winbind call returned WINBINDD_ERROR */
 
+/* Prototypes from common.h */
+
+NSS_STATUS winbindd_request(int req_type, 
+			    struct winbindd_request *request,
+			    struct winbindd_response *response);
+
+/* FIXME: grr this needs to be a fn in a library somewhere */
+
+static BOOL parse_domain_user(const char *domuser, fstring domain, 
+			      fstring user)
+{
+	char *p = strchr(domuser,*lp_winbind_separator());
+
+	if (!(p || lp_winbind_use_default_domain()))
+		return False;
+	
+	if(!p && lp_winbind_use_default_domain()) {
+		fstrcpy(user, domuser);
+		fstrcpy(domain, lp_workgroup());
+	} else {
+		fstrcpy(user, p+1);
+		fstrcpy(domain, domuser);
+		domain[PTR_DIFF(p, domuser)] = 0;
+	}
+	strupper(domain);
+	return True;
+}
+
+/*
+ * Name <-> SID conversion
+ */
+
+/* Convert a name to a sid */
+
+static PyObject *winbind_name_to_sid(PyObject *self, PyObject *args)
+
+{
+	struct winbindd_request request;
+	struct winbindd_response response;
+	PyObject *result;
+	char *name, *p;
+
+	if (!PyArg_ParseTuple(args, "s", &name))
+		return NULL;
+
+	ZERO_STRUCT(request);
+	ZERO_STRUCT(response);
+
+	/* FIXME: use winbind separator */
+
+	if ((p = strchr(name, '\\'))) {
+		*p = 0;
+		fstrcpy(request.data.name.dom_name, name);
+		fstrcpy(request.data.name.name, p + 1);
+	} else {
+		fstrcpy(request.data.name.dom_name, lp_workgroup());
+		fstrcpy(request.data.name.name, name);
+	}
+
+	if (winbindd_request(WINBINDD_LOOKUPNAME, &request, &response)  
+	    != NSS_STATUS_SUCCESS) {
+		PyErr_SetString(winbind_error, "lookup failed");
+		return NULL;
+	}
+
+	result = PyString_FromString(response.data.sid.sid);
+
+	return result;
+}
+
+/* Convert a sid to a name */
+
+static PyObject *winbind_sid_to_name(PyObject *self, PyObject *args)
+{
+	struct winbindd_request request;
+	struct winbindd_response response;
+	PyObject *result;
+	char *sid, *name;
+
+	if (!PyArg_ParseTuple(args, "s", &sid))
+		return NULL;
+
+	ZERO_STRUCT(request);
+	ZERO_STRUCT(response);
+
+	fstrcpy(request.data.sid, sid);
+
+	if (winbindd_request(WINBINDD_LOOKUPSID, &request, &response)  
+	    != NSS_STATUS_SUCCESS) {
+		PyErr_SetString(winbind_error, "lookup failed");
+		return NULL;
+	}
+
+	/* FIXME: use actual winbind separator */
+
+	asprintf(&name, "%s%c%s", response.data.name.dom_name,
+		 '\\', response.data.name.name);
+
+	result = PyString_FromString(name);
+
+	free(name);
+
+	return result;
+}
+
 /*
  * Method dispatch table
  */
 
 static PyMethodDef winbind_methods[] = {
+
+	/* Name <-> SID conversion */
+
+	{ "name_to_sid", winbind_name_to_sid, METH_VARARGS,
+	  "Convert a name to a sid" },
+
+	{ "sid_to_name", winbind_sid_to_name, METH_VARARGS,
+	  "Convert a sid to a name" },
+
 	{ NULL }
 };