source4/auth/credentials/pycredentials.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
   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 "pycredentials.h"
  22 #include "param/param.h"
  23 #include "lib/cmdline/credentials.h"
  24 #include "librpc/gen_ndr/samr.h" /* for struct samr_Password */
  25 #include "libcli/util/pyerrors.h"
  26 #include "param/pyparam.h"
  27
  28 #ifndef Py_RETURN_NONE
  29 #define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
  30 #endif
  31
  32 struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj)
  33 {
  34     if (py_obj == Py_None) {
  35         return cli_credentials_init_anon(NULL);
  36     }
  37
  38     /* FIXME: Check type? */
  39     return PyCredentials_AsCliCredentials(py_obj);
  40 }
  41
  42 static PyObject *PyString_FromStringOrNULL(const char *str)
  43 {
  44         if (str == NULL)
  45                 Py_RETURN_NONE;
  46         return PyString_FromString(str);
  47 }
  48
  49 static PyObject *py_creds_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
  50 {
  51         return py_talloc_import(type, cli_credentials_init(NULL));
  52 }
  53
  54 static PyObject *py_creds_get_username(py_talloc_Object *self)
  55 {
  56         return PyString_FromStringOrNULL(cli_credentials_get_username(self->ptr));
  57 }
  58
  59 static PyObject *py_creds_set_username(py_talloc_Object *self, PyObject *args)
  60 {
  61         char *newval;
  62         enum credentials_obtained obt = CRED_SPECIFIED;
  63         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
  64                 return NULL;
  65
  66         return PyBool_FromLong(cli_credentials_set_username(self->ptr, newval, obt));
  67 }
  68
  69 static PyObject *py_creds_get_password(py_talloc_Object *self)
  70 {
  71         return PyString_FromStringOrNULL(cli_credentials_get_password(self->ptr));
  72 }
  73
  74
  75 static PyObject *py_creds_set_password(py_talloc_Object *self, PyObject *args)
  76 {
  77         char *newval;
  78         enum credentials_obtained obt = CRED_SPECIFIED;
  79         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
  80                 return NULL;
  81
  82         return PyBool_FromLong(cli_credentials_set_password(self->ptr, newval, obt));
  83 }
  84
  85 static PyObject *py_creds_get_domain(py_talloc_Object *self)
  86 {
  87         return PyString_FromStringOrNULL(cli_credentials_get_domain(self->ptr));
  88 }
  89
  90 static PyObject *py_creds_set_domain(py_talloc_Object *self, PyObject *args)
  91 {
  92         char *newval;
  93         enum credentials_obtained obt = CRED_SPECIFIED;
  94         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
  95                 return NULL;
  96
  97         return PyBool_FromLong(cli_credentials_set_domain(self->ptr, newval, obt));
  98 }
  99
 100 static PyObject *py_creds_get_realm(py_talloc_Object *self)
 101 {
 102         return PyString_FromStringOrNULL(cli_credentials_get_realm(self->ptr));
 103 }
 104
 105 static PyObject *py_creds_set_realm(py_talloc_Object *self, PyObject *args)
 106 {
 107         char *newval;
 108         enum credentials_obtained obt = CRED_SPECIFIED;
 109         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
 110                 return NULL;
 111
 112         return PyBool_FromLong(cli_credentials_set_realm(self->ptr, newval, obt));
 113 }
 114
 115 static PyObject *py_creds_get_bind_dn(py_talloc_Object *self)
 116 {
 117         return PyString_FromStringOrNULL(cli_credentials_get_bind_dn(self->ptr));
 118 }
 119
 120 static PyObject *py_creds_set_bind_dn(py_talloc_Object *self, PyObject *args)
 121 {
 122         char *newval;
 123         if (!PyArg_ParseTuple(args, "s", &newval))
 124                 return NULL;
 125
 126         return PyBool_FromLong(cli_credentials_set_bind_dn(self->ptr, newval));
 127 }
 128
 129 static PyObject *py_creds_get_workstation(py_talloc_Object *self)
 130 {
 131         return PyString_FromStringOrNULL(cli_credentials_get_workstation(self->ptr));
 132 }
 133
 134 static PyObject *py_creds_set_workstation(py_talloc_Object *self, PyObject *args)
 135 {
 136         char *newval;
 137         enum credentials_obtained obt = CRED_SPECIFIED;
 138         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
 139                 return NULL;
 140
 141         return PyBool_FromLong(cli_credentials_set_workstation(self->ptr, newval, obt));
 142 }
 143
 144 static PyObject *py_creds_is_anonymous(py_talloc_Object *self)
 145 {
 146         return PyBool_FromLong(cli_credentials_is_anonymous(self->ptr));
 147 }
 148
 149 static PyObject *py_creds_set_anonymous(py_talloc_Object *self)
 150 {
 151         cli_credentials_set_anonymous(self->ptr);
 152         Py_RETURN_NONE;
 153 }
 154
 155 static PyObject *py_creds_authentication_requested(py_talloc_Object *self)
 156 {
 157         return PyBool_FromLong(cli_credentials_authentication_requested(self->ptr));
 158 }
 159
 160 static PyObject *py_creds_wrong_password(py_talloc_Object *self)
 161 {
 162         return PyBool_FromLong(cli_credentials_wrong_password(self->ptr));
 163 }
 164
 165 static PyObject *py_creds_set_cmdline_callbacks(py_talloc_Object *self)
 166 {
 167         return PyBool_FromLong(cli_credentials_set_cmdline_callbacks(self->ptr));
 168 }
 169
 170 static PyObject *py_creds_parse_string(py_talloc_Object *self, PyObject *args)
 171 {
 172         char *newval;
 173         enum credentials_obtained obt = CRED_SPECIFIED;
 174         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
 175                 return NULL;
 176
 177         cli_credentials_parse_string(self->ptr, newval, obt);
 178         Py_RETURN_NONE;
 179 }
 180
 181 static PyObject *py_creds_get_nt_hash(py_talloc_Object *self)
 182 {
 183         const struct samr_Password *ntpw = cli_credentials_get_nt_hash(self->ptr, self->ptr);
 184
 185         return PyString_FromStringAndSize((char *)ntpw->hash, 16);
 186 }
 187
 188 static PyObject *py_creds_set_kerberos_state(py_talloc_Object *self, PyObject *args)
 189 {
 190         int state;
 191         if (!PyArg_ParseTuple(args, "i", &state))
 192                 return NULL;
 193
 194         cli_credentials_set_kerberos_state(self->ptr, state);
 195         Py_RETURN_NONE;
 196 }
 197
 198 static PyObject *py_creds_guess(py_talloc_Object *self, PyObject *args)
 199 {
 200         PyObject *py_lp_ctx = Py_None;
 201         struct loadparm_context *lp_ctx;
 202         if (!PyArg_ParseTuple(args, "|O", &py_lp_ctx))
 203                 return NULL;
 204
 205         lp_ctx = lp_from_py_object(py_lp_ctx);
 206         if (lp_ctx == NULL)
 207                 return NULL;
 208
 209         cli_credentials_guess(self->ptr, lp_ctx);
 210
 211         Py_RETURN_NONE;
 212 }
 213
 214 static PyObject *py_creds_set_machine_account(py_talloc_Object *self, PyObject *args)
 215 {
 216         PyObject *py_lp_ctx = Py_None;
 217         struct loadparm_context *lp_ctx;
 218         NTSTATUS status;
 219         if (!PyArg_ParseTuple(args, "|O", &py_lp_ctx))
 220                 return NULL;
 221
 222         lp_ctx = lp_from_py_object(py_lp_ctx);
 223         if (lp_ctx == NULL)
 224                 return NULL;
 225
 226         status = cli_credentials_set_machine_account(self->ptr, lp_ctx);
 227         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 228
 229         Py_RETURN_NONE;
 230 }
 231
 232 static PyMethodDef py_creds_methods[] = {
 233         { "get_username", (PyCFunction)py_creds_get_username, METH_NOARGS,
 234                 "S.get_username() -> username\nObtain username." },
 235         { "set_username", (PyCFunction)py_creds_set_username, METH_VARARGS,
 236                 "S.set_username(name, obtained=CRED_SPECIFIED) -> None\n"
 237                 "Change username." },
 238         { "get_password", (PyCFunction)py_creds_get_password, METH_NOARGS,
 239                 "S.get_password() -> password\n"
 240                 "Obtain password." },
 241         { "set_password", (PyCFunction)py_creds_set_password, METH_VARARGS,
 242                 "S.set_password(password, obtained=CRED_SPECIFIED) -> None\n"
 243                 "Change password." },
 244         { "get_domain", (PyCFunction)py_creds_get_domain, METH_NOARGS,
 245                 "S.get_domain() -> domain\n"
 246                 "Obtain domain name." },
 247         { "set_domain", (PyCFunction)py_creds_set_domain, METH_VARARGS,
 248                 "S.set_domain(domain, obtained=CRED_SPECIFIED) -> None\n"
 249                 "Change domain name." },
 250         { "get_realm", (PyCFunction)py_creds_get_realm, METH_NOARGS,
 251                 "S.get_realm() -> realm\n"
 252                 "Obtain realm name." },
 253         { "set_realm", (PyCFunction)py_creds_set_realm, METH_VARARGS,
 254                 "S.set_realm(realm, obtained=CRED_SPECIFIED) -> None\n"
 255                 "Change realm name." },
 256         { "get_bind_dn", (PyCFunction)py_creds_get_bind_dn, METH_NOARGS,
 257                 "S.get_bind_dn() -> bind dn\n"
 258                 "Obtain bind DN." },
 259         { "set_bind_dn", (PyCFunction)py_creds_set_bind_dn, METH_VARARGS,
 260                 "S.set_bind_dn(bind_dn) -> None\n"
 261                 "Change bind DN." },
 262         { "is_anonymous", (PyCFunction)py_creds_is_anonymous, METH_NOARGS,
 263                 NULL },
 264         { "set_anonymous", (PyCFunction)py_creds_set_anonymous, METH_NOARGS,
 265                 "S.set_anonymous() -> None\n"
 266                 "Use anonymous credentials." },
 267         { "get_workstation", (PyCFunction)py_creds_get_workstation, METH_NOARGS,
 268                 NULL },
 269         { "set_workstation", (PyCFunction)py_creds_set_workstation, METH_VARARGS,
 270                 NULL },
 271         { "authentication_requested", (PyCFunction)py_creds_authentication_requested, METH_NOARGS,
 272                 NULL },
 273         { "wrong_password", (PyCFunction)py_creds_wrong_password, METH_NOARGS,
 274                 "S.wrong_password() -> bool\n"
 275                 "Indicate the returned password was incorrect." },
 276         { "set_cmdline_callbacks", (PyCFunction)py_creds_set_cmdline_callbacks, METH_NOARGS,
 277                 "S.set_cmdline_callbacks() -> bool\n"
 278                 "Use command-line to obtain credentials not explicitly set." },
 279         { "parse_string", (PyCFunction)py_creds_parse_string, METH_VARARGS,
 280                 "S.parse_string(text, obtained=CRED_SPECIFIED) -> None\n"
 281                 "Parse credentials string." },
 282         { "get_nt_hash", (PyCFunction)py_creds_get_nt_hash, METH_NOARGS,
 283                 NULL },
 284         { "set_kerberos_state", (PyCFunction)py_creds_set_kerberos_state, METH_VARARGS,
 285                 NULL },
 286         { "guess", (PyCFunction)py_creds_guess, METH_VARARGS, NULL },
 287         { "set_machine_account", (PyCFunction)py_creds_set_machine_account, METH_VARARGS, NULL },
 288         { NULL }
 289 };
 290
 291 PyTypeObject PyCredentials = {
 292         .tp_name = "Credentials",
 293         .tp_basicsize = sizeof(py_talloc_Object),
 294         .tp_dealloc = py_talloc_dealloc,
 295         .tp_new = py_creds_new,
 296         .tp_flags = Py_TPFLAGS_DEFAULT,
 297         .tp_methods = py_creds_methods,
 298 };
 299
 300 void initcredentials(void)
 301 {
 302         PyObject *m;
 303
 304         if (PyType_Ready(&PyCredentials) < 0)
 305                 return;
 306
 307         m = Py_InitModule3("credentials", NULL, "Credentials management.");
 308         if (m == NULL)
 309                 return;
 310
 311         PyModule_AddObject(m, "AUTO_USE_KERBEROS", PyInt_FromLong(CRED_AUTO_USE_KERBEROS));
 312         PyModule_AddObject(m, "DONT_USE_KERBEROS", PyInt_FromLong(CRED_DONT_USE_KERBEROS));
 313         PyModule_AddObject(m, "MUST_USE_KERBEROS", PyInt_FromLong(CRED_MUST_USE_KERBEROS));
 314
 315         Py_INCREF(&PyCredentials);
 316         PyModule_AddObject(m, "Credentials", (PyObject *)&PyCredentials);
 317 }