efa97e0184a914c094137c4580673b1b99a82315
[ira/wip.git] / source4 / auth / gensec / pygensec.c
1 /* 
2    Unix SMB/CIFS implementation.
3    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2009
4    
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3 of the License, or
8    (at your option) any later version.
9    
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14    
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #include "includes.h"
20 #include <Python.h>
21 #include "param/param.h"
22 #include "auth/gensec/gensec.h"
23 #include "libcli/util/pyerrors.h"
24 #include "pytalloc.h"
25 #include <tevent.h>
26
27 #ifndef Py_RETURN_NONE
28 #define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
29 #endif
30
31 static PyObject *py_get_name_by_authtype(PyObject *self, PyObject *args)
32 {
33         int type;
34         const char *name;
35         struct gensec_security *security;
36
37         if (!PyArg_ParseTuple(args, "i", &type))
38                 return NULL;
39
40         security = (struct gensec_security *)py_talloc_get_ptr(self);
41
42         name = gensec_get_name_by_authtype(security, type);
43         if (name == NULL)
44                 Py_RETURN_NONE;
45
46         return PyString_FromString(name);
47 }
48
49 static struct gensec_settings *settings_from_object(PyObject *object)
50 {
51         return NULL; /* FIXME */
52 }
53
54 static PyObject *py_gensec_start_client(PyTypeObject *type, PyObject *args, PyObject *kwargs)
55 {
56         NTSTATUS status;
57         py_talloc_Object *self;
58         struct gensec_settings *settings;
59         const char *kwnames[] = { "settings", NULL };
60         PyObject *py_settings;
61         struct tevent_context *ev;
62
63         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O", kwnames, &py_settings))
64                 return NULL;
65
66         settings = settings_from_object(py_settings);
67         if (settings == NULL)
68                 return NULL;
69         
70         self = (py_talloc_Object*)type->tp_alloc(type, 0);
71         if (self == NULL) {
72                 PyErr_NoMemory();
73                 return NULL;
74         }
75         self->talloc_ctx = talloc_new(NULL);
76         if (self->talloc_ctx == NULL) {
77                 PyErr_NoMemory();
78                 return NULL;
79         }
80         ev = tevent_context_init(self->talloc_ctx);
81         if (ev == NULL) {
82                 PyErr_NoMemory();
83                 PyObject_Del(self);
84                 return NULL;
85         }
86         status = gensec_client_start(self->talloc_ctx, 
87                 (struct gensec_security **)&self->ptr, ev, settings);
88         if (!NT_STATUS_IS_OK(status)) {
89                 PyErr_SetNTSTATUS(status);
90                 PyObject_DEL(self);
91                 return NULL;
92         }
93         return (PyObject *)self;
94 }
95
96 static PyObject *py_gensec_session_info(PyObject *self)
97 {
98         NTSTATUS status;
99         struct gensec_security *security = (struct gensec_security *)py_talloc_get_ptr(self);
100         struct auth_session_info *info;
101         status = gensec_session_info(security, &info);
102         if (NT_STATUS_IS_ERR(status)) {
103                 PyErr_SetNTSTATUS(status);
104                 return NULL;
105         }
106
107         /* FIXME */
108         Py_RETURN_NONE;
109 }
110
111 static PyMethodDef py_gensec_security_methods[] = {
112         { "start_client", (PyCFunction)py_gensec_start_client, METH_VARARGS|METH_KEYWORDS|METH_CLASS, 
113                 "S.start_client(settings) -> gensec" },
114 /*      { "start_server", (PyCFunction)py_gensec_start_server, METH_VARARGS|METH_KEYWORDS|METH_CLASS, 
115                 "S.start_server(auth_ctx, settings) -> gensec" },*/
116         { "session_info", (PyCFunction)py_gensec_session_info, METH_NOARGS,
117                 "S.session_info() -> info" },
118         { "get_name_by_authtype", (PyCFunction)py_get_name_by_authtype, METH_VARARGS,
119                 "S.get_name_by_authtype(authtype) -> name\nLookup an auth type." },
120         { NULL }
121 };
122
123 static PyTypeObject Py_Security = {
124         .tp_name = "Security",
125         .tp_flags = Py_TPFLAGS_DEFAULT,
126         .tp_methods = py_gensec_security_methods,
127         .tp_basicsize = sizeof(py_talloc_Object),
128         .tp_dealloc = py_talloc_dealloc,
129 };
130
131 void initgensec(void)
132 {
133         PyObject *m;
134
135         if (PyType_Ready(&Py_Security) < 0)
136                 return;
137
138         m = Py_InitModule3("gensec", NULL, "Generic Security Interface.");
139         if (m == NULL)
140                 return;
141
142         Py_INCREF(&Py_Security);
143         PyModule_AddObject(m, "Security", (PyObject *)&Py_Security);
144 }