release/src-rt-6.x.4708/router/samba-3.5.8/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 static PyObject *PyString_FromStringOrNULL(const char *str)
  33 {
  34         if (str == NULL)
  35                 Py_RETURN_NONE;
  36         return PyString_FromString(str);
  37 }
  38
  39 static PyObject *py_creds_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
  40 {
  41         py_talloc_Object *ret = (py_talloc_Object *)type->tp_alloc(type, 0);
  42         if (ret == NULL) {
  43                 PyErr_NoMemory();
  44                 return NULL;
  45         }
  46         ret->talloc_ctx = talloc_new(NULL);
  47         if (ret->talloc_ctx == NULL) {
  48                 PyErr_NoMemory();
  49                 return NULL;
  50         }
  51         ret->ptr = cli_credentials_init(ret->talloc_ctx);
  52         return (PyObject *)ret;
  53 }
  54
  55 static PyObject *py_creds_get_username(py_talloc_Object *self)
  56 {
  57         return PyString_FromStringOrNULL(cli_credentials_get_username(PyCredentials_AsCliCredentials(self)));
  58 }
  59
  60 static PyObject *py_creds_set_username(py_talloc_Object *self, PyObject *args)
  61 {
  62         char *newval;
  63         enum credentials_obtained obt = CRED_SPECIFIED;
  64         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
  65                 return NULL;
  66
  67         return PyBool_FromLong(cli_credentials_set_username(PyCredentials_AsCliCredentials(self), newval, obt));
  68 }
  69
  70 static PyObject *py_creds_get_password(py_talloc_Object *self)
  71 {
  72         return PyString_FromStringOrNULL(cli_credentials_get_password(PyCredentials_AsCliCredentials(self)));
  73 }
  74
  75
  76 static PyObject *py_creds_set_password(py_talloc_Object *self, PyObject *args)
  77 {
  78         char *newval;
  79         enum credentials_obtained obt = CRED_SPECIFIED;
  80         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
  81                 return NULL;
  82
  83         return PyBool_FromLong(cli_credentials_set_password(PyCredentials_AsCliCredentials(self), newval, obt));
  84 }
  85
  86 static PyObject *py_creds_get_domain(py_talloc_Object *self)
  87 {
  88         return PyString_FromStringOrNULL(cli_credentials_get_domain(PyCredentials_AsCliCredentials(self)));
  89 }
  90
  91 static PyObject *py_creds_set_domain(py_talloc_Object *self, PyObject *args)
  92 {
  93         char *newval;
  94         enum credentials_obtained obt = CRED_SPECIFIED;
  95         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
  96                 return NULL;
  97
  98         return PyBool_FromLong(cli_credentials_set_domain(PyCredentials_AsCliCredentials(self), newval, obt));
  99 }
 100
 101 static PyObject *py_creds_get_realm(py_talloc_Object *self)
 102 {
 103         return PyString_FromStringOrNULL(cli_credentials_get_realm(PyCredentials_AsCliCredentials(self)));
 104 }
 105
 106 static PyObject *py_creds_set_realm(py_talloc_Object *self, PyObject *args)
 107 {
 108         char *newval;
 109         enum credentials_obtained obt = CRED_SPECIFIED;
 110         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
 111                 return NULL;
 112
 113         return PyBool_FromLong(cli_credentials_set_realm(PyCredentials_AsCliCredentials(self), newval, obt));
 114 }
 115
 116 static PyObject *py_creds_get_bind_dn(py_talloc_Object *self)
 117 {
 118         return PyString_FromStringOrNULL(cli_credentials_get_bind_dn(PyCredentials_AsCliCredentials(self)));
 119 }
 120
 121 static PyObject *py_creds_set_bind_dn(py_talloc_Object *self, PyObject *args)
 122 {
 123         char *newval;
 124         if (!PyArg_ParseTuple(args, "s", &newval))
 125                 return NULL;
 126
 127         return PyBool_FromLong(cli_credentials_set_bind_dn(PyCredentials_AsCliCredentials(self), newval));
 128 }
 129
 130 static PyObject *py_creds_get_workstation(py_talloc_Object *self)
 131 {
 132         return PyString_FromStringOrNULL(cli_credentials_get_workstation(PyCredentials_AsCliCredentials(self)));
 133 }
 134
 135 static PyObject *py_creds_set_workstation(py_talloc_Object *self, PyObject *args)
 136 {
 137         char *newval;
 138         enum credentials_obtained obt = CRED_SPECIFIED;
 139         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
 140                 return NULL;
 141
 142         return PyBool_FromLong(cli_credentials_set_workstation(PyCredentials_AsCliCredentials(self), newval, obt));
 143 }
 144
 145 static PyObject *py_creds_is_anonymous(py_talloc_Object *self)
 146 {
 147         return PyBool_FromLong(cli_credentials_is_anonymous(PyCredentials_AsCliCredentials(self)));
 148 }
 149
 150 static PyObject *py_creds_set_anonymous(py_talloc_Object *self)
 151 {
 152         cli_credentials_set_anonymous(PyCredentials_AsCliCredentials(self));
 153         Py_RETURN_NONE;
 154 }
 155
 156 static PyObject *py_creds_authentication_requested(py_talloc_Object *self)
 157 {
 158         return PyBool_FromLong(cli_credentials_authentication_requested(PyCredentials_AsCliCredentials(self)));
 159 }
 160
 161 static PyObject *py_creds_wrong_password(py_talloc_Object *self)
 162 {
 163         return PyBool_FromLong(cli_credentials_wrong_password(PyCredentials_AsCliCredentials(self)));
 164 }
 165
 166 static PyObject *py_creds_set_cmdline_callbacks(py_talloc_Object *self)
 167 {
 168         return PyBool_FromLong(cli_credentials_set_cmdline_callbacks(PyCredentials_AsCliCredentials(self)));
 169 }
 170
 171 static PyObject *py_creds_parse_string(py_talloc_Object *self, PyObject *args)
 172 {
 173         char *newval;
 174         enum credentials_obtained obt = CRED_SPECIFIED;
 175         if (!PyArg_ParseTuple(args, "s|i", &newval, &obt))
 176                 return NULL;
 177
 178         cli_credentials_parse_string(PyCredentials_AsCliCredentials(self), newval, obt);
 179         Py_RETURN_NONE;
 180 }
 181
 182 static PyObject *py_creds_get_nt_hash(py_talloc_Object *self)
 183 {
 184         const struct samr_Password *ntpw = cli_credentials_get_nt_hash(PyCredentials_AsCliCredentials(self), self->ptr);
 185
 186         return PyString_FromStringAndSize(discard_const_p(char, ntpw->hash), 16);
 187 }
 188
 189 static PyObject *py_creds_set_kerberos_state(py_talloc_Object *self, PyObject *args)
 190 {
 191         int state;
 192         if (!PyArg_ParseTuple(args, "i", &state))
 193                 return NULL;
 194
 195         cli_credentials_set_kerberos_state(PyCredentials_AsCliCredentials(self), state);
 196         Py_RETURN_NONE;
 197 }
 198
 199 static PyObject *py_creds_guess(py_talloc_Object *self, PyObject *args)
 200 {
 201         PyObject *py_lp_ctx = Py_None;
 202         struct loadparm_context *lp_ctx;
 203         if (!PyArg_ParseTuple(args, "|O", &py_lp_ctx))
 204                 return NULL;
 205
 206         lp_ctx = lp_from_py_object(py_lp_ctx);
 207         if (lp_ctx == NULL)
 208                 return NULL;
 209
 210         cli_credentials_guess(PyCredentials_AsCliCredentials(self), lp_ctx);
 211
 212         Py_RETURN_NONE;
 213 }
 214
 215 static PyObject *py_creds_set_machine_account(py_talloc_Object *self, PyObject *args)
 216 {
 217         PyObject *py_lp_ctx = Py_None;
 218         struct loadparm_context *lp_ctx;
 219         NTSTATUS status;
 220         if (!PyArg_ParseTuple(args, "|O", &py_lp_ctx))
 221                 return NULL;
 222
 223         lp_ctx = lp_from_py_object(py_lp_ctx);
 224         if (lp_ctx == NULL)
 225                 return NULL;
 226
 227         status = cli_credentials_set_machine_account(PyCredentials_AsCliCredentials(self), lp_ctx);
 228         PyErr_NTSTATUS_IS_ERR_RAISE(status);
 229
 230         Py_RETURN_NONE;
 231 }
 232
 233 static PyMethodDef py_creds_methods[] = {
 234         { "get_username", (PyCFunction)py_creds_get_username, METH_NOARGS,
 235                 "S.get_username() -> username\nObtain username." },
 236         { "set_username", (PyCFunction)py_creds_set_username, METH_VARARGS,
 237                 "S.set_username(name, obtained=CRED_SPECIFIED) -> None\n"
 238                 "Change username." },
 239         { "get_password", (PyCFunction)py_creds_get_password, METH_NOARGS,
 240                 "S.get_password() -> password\n"
 241                 "Obtain password." },
 242         { "set_password", (PyCFunction)py_creds_set_password, METH_VARARGS,
 243                 "S.set_password(password, obtained=CRED_SPECIFIED) -> None\n"
 244                 "Change password." },
 245         { "get_domain", (PyCFunction)py_creds_get_domain, METH_NOARGS,
 246                 "S.get_domain() -> domain\n"
 247                 "Obtain domain name." },
 248         { "set_domain", (PyCFunction)py_creds_set_domain, METH_VARARGS,
 249                 "S.set_domain(domain, obtained=CRED_SPECIFIED) -> None\n"
 250                 "Change domain name." },
 251         { "get_realm", (PyCFunction)py_creds_get_realm, METH_NOARGS,
 252                 "S.get_realm() -> realm\n"
 253                 "Obtain realm name." },
 254         { "set_realm", (PyCFunction)py_creds_set_realm, METH_VARARGS,
 255                 "S.set_realm(realm, obtained=CRED_SPECIFIED) -> None\n"
 256                 "Change realm name." },
 257         { "get_bind_dn", (PyCFunction)py_creds_get_bind_dn, METH_NOARGS,
 258                 "S.get_bind_dn() -> bind dn\n"
 259                 "Obtain bind DN." },
 260         { "set_bind_dn", (PyCFunction)py_creds_set_bind_dn, METH_VARARGS,
 261                 "S.set_bind_dn(bind_dn) -> None\n"
 262                 "Change bind DN." },
 263         { "is_anonymous", (PyCFunction)py_creds_is_anonymous, METH_NOARGS,
 264                 NULL },
 265         { "set_anonymous", (PyCFunction)py_creds_set_anonymous, METH_NOARGS,
 266                 "S.set_anonymous() -> None\n"
 267                 "Use anonymous credentials." },
 268         { "get_workstation", (PyCFunction)py_creds_get_workstation, METH_NOARGS,
 269                 NULL },
 270         { "set_workstation", (PyCFunction)py_creds_set_workstation, METH_VARARGS,
 271                 NULL },
 272         { "authentication_requested", (PyCFunction)py_creds_authentication_requested, METH_NOARGS,
 273                 NULL },
 274         { "wrong_password", (PyCFunction)py_creds_wrong_password, METH_NOARGS,
 275                 "S.wrong_password() -> bool\n"
 276                 "Indicate the returned password was incorrect." },
 277         { "set_cmdline_callbacks", (PyCFunction)py_creds_set_cmdline_callbacks, METH_NOARGS,
 278                 "S.set_cmdline_callbacks() -> bool\n"
 279                 "Use command-line to obtain credentials not explicitly set." },
 280         { "parse_string", (PyCFunction)py_creds_parse_string, METH_VARARGS,
 281                 "S.parse_string(text, obtained=CRED_SPECIFIED) -> None\n"
 282                 "Parse credentials string." },
 283         { "get_nt_hash", (PyCFunction)py_creds_get_nt_hash, METH_NOARGS,
 284                 NULL },
 285         { "set_kerberos_state", (PyCFunction)py_creds_set_kerberos_state, METH_VARARGS,
 286                 NULL },
 287         { "guess", (PyCFunction)py_creds_guess, METH_VARARGS, NULL },
 288         { "set_machine_account", (PyCFunction)py_creds_set_machine_account, METH_VARARGS, NULL },
 289         { NULL }
 290 };
 291
 292 PyTypeObject PyCredentials = {
 293         .tp_name = "Credentials",
 294         .tp_basicsize = sizeof(py_talloc_Object),
 295         .tp_dealloc = py_talloc_dealloc,
 296         .tp_new = py_creds_new,
 297         .tp_flags = Py_TPFLAGS_DEFAULT,
 298         .tp_methods = py_creds_methods,
 299 };
 300
 301 void initcredentials(void)
 302 {
 303         PyObject *m;
 304
 305         if (PyType_Ready(&PyCredentials) < 0)
 306                 return;
 307
 308         m = Py_InitModule3("credentials", NULL, "Credentials management.");
 309         if (m == NULL)
 310                 return;
 311
 312         PyModule_AddObject(m, "AUTO_USE_KERBEROS", PyInt_FromLong(CRED_AUTO_USE_KERBEROS));
 313         PyModule_AddObject(m, "DONT_USE_KERBEROS", PyInt_FromLong(CRED_DONT_USE_KERBEROS));
 314         PyModule_AddObject(m, "MUST_USE_KERBEROS", PyInt_FromLong(CRED_MUST_USE_KERBEROS));
 315
 316         Py_INCREF(&PyCredentials);
 317         PyModule_AddObject(m, "Credentials", (PyObject *)&PyCredentials);
 318 }