source4/scripting/python/pyglue.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 "ldb.h"
  21 #include "param/param.h"
  22 #include "auth/credentials/credentials.h"
  23 #include "dsdb/samdb/samdb.h"
  24 #include "lib/ldb-samba/ldif_handlers.h"
  25 #include "librpc/ndr/libndr.h"
  26 #include "version.h"
  27 #include <Python.h>
  28 #include "pyldb.h"
  29 #include "libcli/util/pyerrors.h"
  30 #include "librpc/gen_ndr/py_misc.h"
  31 #include "librpc/gen_ndr/py_security.h"
  32 #include "auth/pyauth.h"
  33
  34 /* FIXME: These should be in a header file somewhere, once we finish moving
  35  * away from SWIG .. */
  36 extern struct loadparm_context *lp_from_py_object(PyObject *py_obj);
  37 extern struct cli_credentials *cli_credentials_from_py_object(PyObject *py_obj);
  38
  39 #define PyErr_LDB_OR_RAISE(py_ldb, ldb) \
  40         if (!PyLdb_Check(py_ldb)) { \
  41                 /*PyErr_SetString(PyExc_TypeError, "Ldb connection object required"); \
  42                 return NULL; \ */ \
  43         } \
  44         ldb = PyLdb_AsLdbContext(py_ldb);
  45
  46
  47 static PyObject *py_generate_random_str(PyObject *self, PyObject *args)
  48 {
  49         int len;
  50         PyObject *ret;
  51         char *retstr;
  52         if (!PyArg_ParseTuple(args, "i", &len))
  53                 return NULL;
  54
  55         retstr = generate_random_str(NULL, len);
  56         ret = PyString_FromString(retstr);
  57         talloc_free(retstr);
  58         return ret;
  59 }
  60
  61 static PyObject *py_unix2nttime(PyObject *self, PyObject *args)
  62 {
  63         time_t t;
  64         NTTIME nt;
  65         if (!PyArg_ParseTuple(args, "I", &t))
  66                 return NULL;
  67
  68         unix_to_nt_time(&nt, t);
  69
  70         return PyInt_FromLong((uint64_t)nt);
  71 }
  72
  73 static PyObject *py_ldb_set_credentials(PyObject *self, PyObject *args)
  74 {
  75         PyObject *py_creds, *py_ldb;
  76         struct cli_credentials *creds;
  77         struct ldb_context *ldb;
  78         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_creds))
  79                 return NULL;
  80
  81         PyErr_LDB_OR_RAISE(py_ldb, ldb);
  82
  83         creds = cli_credentials_from_py_object(py_creds);
  84         if (creds == NULL) {
  85                 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
  86                 return NULL;
  87         }
  88
  89         ldb_set_opaque(ldb, "credentials", creds);
  90
  91         return Py_None;
  92 }
  93
  94 static PyObject *py_ldb_set_loadparm(PyObject *self, PyObject *args)
  95 {
  96         PyObject *py_lp_ctx, *py_ldb;
  97         struct loadparm_context *lp_ctx;
  98         struct ldb_context *ldb;
  99         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_lp_ctx))
 100                 return NULL;
 101
 102         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 103
 104         lp_ctx = lp_from_py_object(py_lp_ctx);
 105         if (lp_ctx == NULL) {
 106                 PyErr_SetString(PyExc_TypeError, "Expected loadparm object");
 107                 return NULL;
 108         }
 109
 110         ldb_set_opaque(ldb, "loadparm", lp_ctx);
 111
 112         return Py_None;
 113 }
 114
 115
 116 static PyObject *py_ldb_set_session_info(PyObject *self, PyObject *args)
 117 {
 118         PyObject *py_session_info, *py_ldb;
 119         struct auth_session_info *info;
 120         struct ldb_context *ldb;
 121         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_session_info))
 122                 return NULL;
 123
 124         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 125         /*if (!PyAuthSession_Check(py_session_info)) {
 126                 PyErr_SetString(PyExc_TypeError, "Expected session info object");
 127                 return NULL;
 128         }*/
 129
 130         info = PyAuthSession_AsSession(py_session_info);
 131
 132         ldb_set_opaque(ldb, "sessionInfo", info);
 133
 134         return Py_None;
 135 }
 136
 137 static PyObject *py_samdb_set_domain_sid(PyLdbObject *self, PyObject *args)
 138 {
 139         PyObject *py_ldb, *py_sid;
 140         struct ldb_context *ldb;
 141         struct dom_sid *sid;
 142         bool ret;
 143
 144         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_sid))
 145                 return NULL;
 146
 147         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 148
 149         if (!dom_sid_Check(py_sid)) {
 150                 PyErr_SetString(PyExc_TypeError, "expected SID");
 151                 return NULL;
 152         }
 153
 154         sid = py_talloc_get_ptr(py_sid);
 155
 156         ret = samdb_set_domain_sid(ldb, sid);
 157         if (!ret) {
 158                 PyErr_SetString(PyExc_RuntimeError, "set_domain_sid failed");
 159                 return NULL;
 160         }
 161         return Py_None;
 162 }
 163
 164 static PyObject *py_ldb_register_samba_handlers(PyObject *self, PyObject *args)
 165 {
 166         PyObject *py_ldb;
 167         struct ldb_context *ldb;
 168         int ret;
 169
 170         if (!PyArg_ParseTuple(args, "O", &py_ldb))
 171                 return NULL;
 172
 173         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 174         ret = ldb_register_samba_handlers(ldb);
 175
 176         PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb);
 177         return Py_None;
 178 }
 179
 180 static PyObject *py_dsdb_set_ntds_invocation_id(PyObject *self, PyObject *args)
 181 {
 182         PyObject *py_ldb, *py_guid;
 183         bool ret;
 184         struct GUID *guid;
 185         struct ldb_context *ldb;
 186         if (!PyArg_ParseTuple(args, "OO", &py_ldb, &py_guid))
 187                 return NULL;
 188
 189         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 190         if (!GUID_Check(py_guid)) {
 191                 PyErr_SetString(PyExc_TypeError, "Expected GUID");
 192                 return NULL;
 193         }
 194         guid = py_talloc_get_ptr(py_guid);
 195
 196         ret = samdb_set_ntds_invocation_id(ldb, guid);
 197         if (!ret) {
 198                 PyErr_SetString(PyExc_RuntimeError, "set_ntds_invocation_id failed");
 199                 return NULL;
 200         }
 201         return Py_None;
 202 }
 203
 204 static PyObject *py_dsdb_set_global_schema(PyObject *self, PyObject *args)
 205 {
 206         PyObject *py_ldb;
 207         struct ldb_context *ldb;
 208         int ret;
 209         if (!PyArg_ParseTuple(args, "O", &py_ldb))
 210                 return NULL;
 211
 212         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 213
 214         ret = dsdb_set_global_schema(ldb);
 215         PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb);
 216
 217         return Py_None;
 218 }
 219
 220 static PyObject *py_dsdb_attach_schema_from_ldif_file(PyObject *self, PyObject *args)
 221 {
 222         WERROR result;
 223         char *pf, *df;
 224         PyObject *py_ldb;
 225         struct ldb_context *ldb;
 226
 227         if (!PyArg_ParseTuple(args, "Oss", &py_ldb, &pf, &df))
 228                 return NULL;
 229
 230         PyErr_LDB_OR_RAISE(py_ldb, ldb);
 231
 232         result = dsdb_attach_schema_from_ldif_file(ldb, pf, df);
 233         PyErr_WERROR_IS_ERR_RAISE(result);
 234
 235         return Py_None;
 236 }
 237
 238 static PyMethodDef py_misc_methods[] = {
 239         { "generate_random_str", (PyCFunction)py_generate_random_str, METH_VARARGS,
 240                 "random_password(len) -> string\n"
 241                 "Generate random password with specified length." },
 242         { "unix2nttime", (PyCFunction)py_unix2nttime, METH_VARARGS,
 243                 "unix2nttime(timestamp) -> nttime" },
 244         { "ldb_set_credentials", (PyCFunction)py_ldb_set_credentials, METH_VARARGS,
 245                 "ldb_set_credentials(ldb, credentials) -> None\n"
 246                 "Set credentials to use when connecting." },
 247         { "ldb_set_session_info", (PyCFunction)py_ldb_set_session_info, METH_VARARGS,
 248                 "ldb_set_session_info(ldb, session_info)\n"
 249                 "Set session info to use when connecting." },
 250         { "ldb_set_loadparm", (PyCFunction)py_ldb_set_loadparm, METH_VARARGS,
 251                 "ldb_set_loadparm(ldb, session_info)\n"
 252                 "Set loadparm context to use when connecting." },
 253         { "samdb_set_domain_sid", (PyCFunction)py_samdb_set_domain_sid, METH_VARARGS,
 254                 "samdb_set_domain_sid(samdb, sid)\n"
 255                 "Set SID of domain to use." },
 256         { "ldb_register_samba_handlers", (PyCFunction)py_ldb_register_samba_handlers, METH_VARARGS,
 257                 "ldb_register_samba_handlers(ldb)\n"
 258                 "Register Samba-specific LDB modules and schemas." },
 259         { "dsdb_set_ntds_invocation_id", (PyCFunction)py_dsdb_set_ntds_invocation_id, METH_VARARGS,
 260                 NULL },
 261         { "dsdb_set_global_schema", (PyCFunction)py_dsdb_set_global_schema, METH_VARARGS,
 262                 NULL },
 263         { "dsdb_attach_schema_from_ldif_file", (PyCFunction)py_dsdb_attach_schema_from_ldif_file, METH_VARARGS,
 264                 NULL },
 265         { NULL }
 266 };
 267
 268 void initglue(void)
 269 {
 270         PyObject *m;
 271
 272         m = Py_InitModule3("glue", py_misc_methods,
 273                            "Python bindings for miscellaneous Samba functions.");
 274         if (m == NULL)
 275                 return;
 276
 277         PyModule_AddObject(m, "version", PyString_FromString(SAMBA_VERSION_STRING));
 278 }
 279