pygensec: Add initial work on a gensec Python module.

3 files changed, 184 insertions, 0 deletions

diff --git a/source4/auth/gensec/config.mk b/source4/auth/gensec/config.mk
index 105a58b4ae..65f5208e1a 100644
--- a/source4/auth/gensec/config.mk
+++ b/source4/auth/gensec/config.mk
@@ -85,3 +85,8 @@ PRIVATE_DEPENDENCIES = LDB_WRAP COMMON_SCHANNELDB
 SCHANNELDB_OBJ_FILES = $(addprefix $(gensecsrcdir)/, schannel_state.o)
 $(eval $(call proto_header_template,$(gensecsrcdir)/schannel_state.h,$(SCHANNELDB_OBJ_FILES:.o=.c)))
 
+[PYTHON::pygensec]
+PRIVATE_DEPENDENCIES = gensec PYTALLOC
+LIBRARY_REALNAME = samba/gensec.$(SHLIBEXT)
+
+pygensec_OBJ_FILES = $(gensecsrcdir)/pygensec.o
diff --git a/source4/auth/gensec/pygensec.c b/source4/auth/gensec/pygensec.c
new file mode 100644
index 0000000000..efa97e0184
--- /dev/null
+++ b/source4/auth/gensec/pygensec.c
@@ -0,0 +1,144 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2009
+   
+   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/>.
+*/
+
+#include "includes.h"
+#include <Python.h>
+#include "param/param.h"
+#include "auth/gensec/gensec.h"
+#include "libcli/util/pyerrors.h"
+#include "pytalloc.h"
+#include <tevent.h>
+
+#ifndef Py_RETURN_NONE
+#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
+#endif
+
+static PyObject *py_get_name_by_authtype(PyObject *self, PyObject *args)
+{
+	int type;
+	const char *name;
+	struct gensec_security *security;
+
+	if (!PyArg_ParseTuple(args, "i", &type))
+		return NULL;
+
+	security = (struct gensec_security *)py_talloc_get_ptr(self);
+
+	name = gensec_get_name_by_authtype(security, type);
+	if (name == NULL)
+		Py_RETURN_NONE;
+
+	return PyString_FromString(name);
+}
+
+static struct gensec_settings *settings_from_object(PyObject *object)
+{
+	return NULL; /* FIXME */
+}
+
+static PyObject *py_gensec_start_client(PyTypeObject *type, PyObject *args, PyObject *kwargs)
+{
+	NTSTATUS status;
+	py_talloc_Object *self;
+	struct gensec_settings *settings;
+	const char *kwnames[] = { "settings", NULL };
+	PyObject *py_settings;
+	struct tevent_context *ev;
+
+	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O", kwnames, &py_settings))
+		return NULL;
+
+	settings = settings_from_object(py_settings);
+	if (settings == NULL)
+		return NULL;
+	
+	self = (py_talloc_Object*)type->tp_alloc(type, 0);
+	if (self == NULL) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+	self->talloc_ctx = talloc_new(NULL);
+	if (self->talloc_ctx == NULL) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+	ev = tevent_context_init(self->talloc_ctx);
+	if (ev == NULL) {
+		PyErr_NoMemory();
+		PyObject_Del(self);
+		return NULL;
+	}
+	status = gensec_client_start(self->talloc_ctx, 
+		(struct gensec_security **)&self->ptr, ev, settings);
+	if (!NT_STATUS_IS_OK(status)) {
+		PyErr_SetNTSTATUS(status);
+		PyObject_DEL(self);
+		return NULL;
+	}
+	return (PyObject *)self;
+}
+
+static PyObject *py_gensec_session_info(PyObject *self)
+{
+	NTSTATUS status;
+	struct gensec_security *security = (struct gensec_security *)py_talloc_get_ptr(self);
+	struct auth_session_info *info;
+	status = gensec_session_info(security, &info);
+	if (NT_STATUS_IS_ERR(status)) {
+		PyErr_SetNTSTATUS(status);
+		return NULL;
+	}
+
+	/* FIXME */
+	Py_RETURN_NONE;
+}
+
+static PyMethodDef py_gensec_security_methods[] = {
+	{ "start_client", (PyCFunction)py_gensec_start_client, METH_VARARGS|METH_KEYWORDS|METH_CLASS, 
+		"S.start_client(settings) -> gensec" },
+/*	{ "start_server", (PyCFunction)py_gensec_start_server, METH_VARARGS|METH_KEYWORDS|METH_CLASS, 
+		"S.start_server(auth_ctx, settings) -> gensec" },*/
+	{ "session_info", (PyCFunction)py_gensec_session_info, METH_NOARGS,
+		"S.session_info() -> info" },
+	{ "get_name_by_authtype", (PyCFunction)py_get_name_by_authtype, METH_VARARGS,
+		"S.get_name_by_authtype(authtype) -> name\nLookup an auth type." },
+	{ NULL }
+};
+
+static PyTypeObject Py_Security = {
+	.tp_name = "Security",
+	.tp_flags = Py_TPFLAGS_DEFAULT,
+	.tp_methods = py_gensec_security_methods,
+	.tp_basicsize = sizeof(py_talloc_Object),
+	.tp_dealloc = py_talloc_dealloc,
+};
+
+void initgensec(void)
+{
+	PyObject *m;
+
+	if (PyType_Ready(&Py_Security) < 0)
+		return;
+
+	m = Py_InitModule3("gensec", NULL, "Generic Security Interface.");
+	if (m == NULL)
+		return;
+
+	Py_INCREF(&Py_Security);
+	PyModule_AddObject(m, "Security", (PyObject *)&Py_Security);
+}
diff --git a/source4/auth/gensec/tests/bindings.py b/source4/auth/gensec/tests/bindings.py
new file mode 100644
index 0000000000..95d7833e4a
--- /dev/null
+++ b/source4/auth/gensec/tests/bindings.py
@@ -0,0 +1,35 @@
+#!/usr/bin/python
+
+# Unix SMB/CIFS implementation.
+# Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2009
+#   
+# 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/>.
+#
+
+"""Tests for GENSEC.
+
+Note that this just tests the bindings work. It does not intend to test 
+the functionality, that's already done in other tests.
+"""
+
+import unittest
+from samba import gensec
+
+class CredentialsTests(unittest.TestCase):
+
+    def setUp(self):
+        self.gensec = gensec.Security.start_client()
+
+    def test_info(self):
+        self.assertEquals(None, self.gensec.session_info())