source4/libnet/py_net.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba utility functions
   4
   5    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008-2010
   6    Copyright (C) Kamen Mazdrashki <kamen.mazdrashki@postpath.com> 2009
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include <Python.h>
  23 #include "includes.h"
  24 #include <pyldb.h>
  25 #include "libnet.h"
  26 #include "auth/credentials/pycredentials.h"
  27 #include "libcli/security/security.h"
  28 #include "lib/events/events.h"
  29 #include "param/pyparam.h"
  30 #include "auth/gensec/gensec.h"
  31 #include "librpc/rpc/pyrpc_util.h"
  32 #include "libcli/resolve/resolve.h"
  33 #include "libcli/finddc.h"
  34 #include "dsdb/samdb/samdb.h"
  35 #include "py_net.h"
  36
  37 void initnet(void);
  38
  39 static PyObject *py_net_join_member(py_net_Object *self, PyObject *args, PyObject *kwargs)
  40 {
  41         struct libnet_Join_member r;
  42         int _level = 0;
  43         NTSTATUS status;
  44         PyObject *result;
  45         TALLOC_CTX *mem_ctx;
  46         const char *kwnames[] = { "domain_name", "netbios_name", "level", "machinepass", NULL };
  47
  48         ZERO_STRUCT(r);
  49
  50         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ssi|z:Join", discard_const_p(char *, kwnames),
  51                                          &r.in.domain_name, &r.in.netbios_name,
  52                                          &_level,
  53                                          &r.in.account_pass)) {
  54                 return NULL;
  55         }
  56         r.in.level = _level;
  57
  58         mem_ctx = talloc_new(self->mem_ctx);
  59         if (mem_ctx == NULL) {
  60                 PyErr_NoMemory();
  61                 return NULL;
  62         }
  63
  64         status = libnet_Join_member(self->libnet_ctx, mem_ctx, &r);
  65         if (NT_STATUS_IS_ERR(status)) {
  66                 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
  67                 talloc_free(mem_ctx);
  68                 return NULL;
  69         }
  70
  71         result = Py_BuildValue("sss", r.out.join_password,
  72                                dom_sid_string(mem_ctx, r.out.domain_sid),
  73                                r.out.domain_name);
  74
  75         talloc_free(mem_ctx);
  76
  77         return result;
  78 }
  79
  80 static const char py_net_join_member_doc[] = "join_member(domain_name, netbios_name, level) -> (join_password, domain_sid, domain_name)\n\n" \
  81 "Join the domain with the specified name.";
  82
  83 static PyObject *py_net_change_password(py_net_Object *self, PyObject *args, PyObject *kwargs)
  84 {
  85         union libnet_ChangePassword r;
  86         NTSTATUS status;
  87         TALLOC_CTX *mem_ctx;
  88         struct tevent_context *ev;
  89         const char *kwnames[] = { "newpassword", NULL };
  90
  91         ZERO_STRUCT(r);
  92
  93         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:change_password",
  94                                         discard_const_p(char *, kwnames),
  95                                         &r.generic.in.newpassword)) {
  96                 return NULL;
  97         }
  98
  99         r.generic.level = LIBNET_CHANGE_PASSWORD_GENERIC;
 100         r.generic.in.account_name = cli_credentials_get_username(self->libnet_ctx->cred);
 101         r.generic.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
 102         r.generic.in.oldpassword = cli_credentials_get_password(self->libnet_ctx->cred);
 103
 104         /* FIXME: we really need to get a context from the caller or we may end
 105          * up with 2 event contexts */
 106         ev = s4_event_context_init(NULL);
 107
 108         mem_ctx = talloc_new(ev);
 109         if (mem_ctx == NULL) {
 110                 PyErr_NoMemory();
 111                 return NULL;
 112         }
 113
 114         status = libnet_ChangePassword(self->libnet_ctx, mem_ctx, &r);
 115         if (NT_STATUS_IS_ERR(status)) {
 116                 PyErr_SetString(PyExc_RuntimeError,
 117                                 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
 118                 talloc_free(mem_ctx);
 119                 return NULL;
 120         }
 121
 122         talloc_free(mem_ctx);
 123
 124         Py_RETURN_NONE;
 125 }
 126
 127 static const char py_net_change_password_doc[] = "change_password(newpassword) -> True\n\n" \
 128 "Change password for a user. You must supply credential with enough rights to do this.\n\n" \
 129 "Sample usage is:\n" \
 130 "net.set_password(newpassword=<new_password>\n";
 131
 132
 133 static PyObject *py_net_set_password(py_net_Object *self, PyObject *args, PyObject *kwargs)
 134 {
 135         union libnet_SetPassword r;
 136         NTSTATUS status;
 137         TALLOC_CTX *mem_ctx;
 138         struct tevent_context *ev;
 139         const char *kwnames[] = { "account_name", "domain_name", "newpassword", NULL };
 140
 141         ZERO_STRUCT(r);
 142
 143         r.generic.level = LIBNET_SET_PASSWORD_GENERIC;
 144
 145         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sss:set_password",
 146                                         discard_const_p(char *, kwnames),
 147                                          &r.generic.in.account_name,
 148                                          &r.generic.in.domain_name,
 149                                          &r.generic.in.newpassword)) {
 150                 return NULL;
 151         }
 152
 153         /* FIXME: we really need to get a context from the caller or we may end
 154          * up with 2 event contexts */
 155         ev = s4_event_context_init(NULL);
 156
 157         mem_ctx = talloc_new(ev);
 158         if (mem_ctx == NULL) {
 159                 PyErr_NoMemory();
 160                 return NULL;
 161         }
 162
 163         status = libnet_SetPassword(self->libnet_ctx, mem_ctx, &r);
 164         if (NT_STATUS_IS_ERR(status)) {
 165                 PyErr_SetString(PyExc_RuntimeError,
 166                                 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
 167                 talloc_free(mem_ctx);
 168                 return NULL;
 169         }
 170
 171         talloc_free(mem_ctx);
 172
 173         Py_RETURN_NONE;
 174 }
 175
 176 static const char py_net_set_password_doc[] = "set_password(account_name, domain_name, newpassword) -> True\n\n" \
 177 "Set password for a user. You must supply credential with enough rights to do this.\n\n" \
 178 "Sample usage is:\n" \
 179 "net.set_password(account_name=<account_name>,\n" \
 180 "                domain_name=domain_name,\n" \
 181 "                newpassword=new_pass)\n";
 182
 183
 184 static PyObject *py_net_time(py_net_Object *self, PyObject *args, PyObject *kwargs)
 185 {
 186         const char *kwnames[] = { "server_name", NULL };
 187         union libnet_RemoteTOD r;
 188         NTSTATUS status;
 189         TALLOC_CTX *mem_ctx;
 190         char timestr[64];
 191         PyObject *ret;
 192         struct tm *tm;
 193
 194         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s",
 195                 discard_const_p(char *, kwnames), &r.generic.in.server_name))
 196                 return NULL;
 197
 198         r.generic.level                 = LIBNET_REMOTE_TOD_GENERIC;
 199
 200         mem_ctx = talloc_new(NULL);
 201         if (mem_ctx == NULL) {
 202                 PyErr_NoMemory();
 203                 return NULL;
 204         }
 205
 206         status = libnet_RemoteTOD(self->libnet_ctx, mem_ctx, &r);
 207         if (!NT_STATUS_IS_OK(status)) {
 208                 PyErr_SetString(PyExc_RuntimeError,
 209                                 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
 210                 talloc_free(mem_ctx);
 211                 return NULL;
 212         }
 213
 214         ZERO_STRUCT(timestr);
 215         tm = localtime(&r.generic.out.time);
 216         strftime(timestr, sizeof(timestr)-1, "%c %Z",tm);
 217
 218         ret = PyString_FromString(timestr);
 219
 220         talloc_free(mem_ctx);
 221
 222         return ret;
 223 }
 224
 225 static const char py_net_time_doc[] = "time(server_name) -> timestr\n"
 226 "Retrieve the remote time on a server";
 227
 228 static PyObject *py_net_user_create(py_net_Object *self, PyObject *args, PyObject *kwargs)
 229 {
 230         const char *kwnames[] = { "username", NULL };
 231         NTSTATUS status;
 232         TALLOC_CTX *mem_ctx;
 233         struct libnet_CreateUser r;
 234
 235         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
 236                                                                          &r.in.user_name))
 237                 return NULL;
 238
 239         r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
 240
 241         mem_ctx = talloc_new(NULL);
 242         if (mem_ctx == NULL) {
 243                 PyErr_NoMemory();
 244                 return NULL;
 245         }
 246
 247         status = libnet_CreateUser(self->libnet_ctx, mem_ctx, &r);
 248         if (!NT_STATUS_IS_OK(status)) {
 249                 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
 250                 talloc_free(mem_ctx);
 251                 return NULL;
 252         }
 253
 254         talloc_free(mem_ctx);
 255
 256         Py_RETURN_NONE;
 257 }
 258
 259 static const char py_net_create_user_doc[] = "create_user(username)\n"
 260 "Create a new user.";
 261
 262 static PyObject *py_net_user_delete(py_net_Object *self, PyObject *args, PyObject *kwargs)
 263 {
 264         const char *kwnames[] = { "username", NULL };
 265         NTSTATUS status;
 266         TALLOC_CTX *mem_ctx;
 267         struct libnet_DeleteUser r;
 268
 269         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
 270                                                                          &r.in.user_name))
 271                 return NULL;
 272
 273         r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
 274
 275         mem_ctx = talloc_new(NULL);
 276         if (mem_ctx == NULL) {
 277                 PyErr_NoMemory();
 278                 return NULL;
 279         }
 280
 281         status = libnet_DeleteUser(self->libnet_ctx, mem_ctx, &r);
 282         if (!NT_STATUS_IS_OK(status)) {
 283                 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
 284                 talloc_free(mem_ctx);
 285                 return NULL;
 286         }
 287
 288         talloc_free(mem_ctx);
 289
 290         Py_RETURN_NONE;
 291 }
 292
 293 static const char py_net_delete_user_doc[] = "delete_user(username)\n"
 294 "Delete a user.";
 295
 296 static PyObject *py_dom_sid_FromSid(struct dom_sid *sid)
 297 {
 298         PyObject *mod_security, *dom_sid_Type;
 299
 300         mod_security = PyImport_ImportModule("samba.dcerpc.security");
 301         if (mod_security == NULL)
 302                 return NULL;
 303
 304         dom_sid_Type = PyObject_GetAttrString(mod_security, "dom_sid");
 305         if (dom_sid_Type == NULL)
 306                 return NULL;
 307
 308         return pytalloc_reference((PyTypeObject *)dom_sid_Type, sid);
 309 }
 310
 311 static PyObject *py_net_vampire(py_net_Object *self, PyObject *args, PyObject *kwargs)
 312 {
 313         const char *kwnames[] = { "domain", "target_dir", NULL };
 314         NTSTATUS status;
 315         TALLOC_CTX *mem_ctx;
 316         PyObject *ret;
 317         struct libnet_Vampire r;
 318
 319         ZERO_STRUCT(r);
 320
 321         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|z", discard_const_p(char *, kwnames),
 322                                          &r.in.domain_name, &r.in.targetdir)) {
 323                 return NULL;
 324         }
 325
 326         r.in.netbios_name  = lpcfg_netbios_name(self->libnet_ctx->lp_ctx);
 327         r.out.error_string = NULL;
 328
 329         mem_ctx = talloc_new(NULL);
 330         if (mem_ctx == NULL) {
 331                 PyErr_NoMemory();
 332                 return NULL;
 333         }
 334
 335         status = libnet_Vampire(self->libnet_ctx, mem_ctx, &r);
 336
 337         if (!NT_STATUS_IS_OK(status)) {
 338                 PyErr_SetString(PyExc_RuntimeError,
 339                                 r.out.error_string ? r.out.error_string : nt_errstr(status));
 340                 talloc_free(mem_ctx);
 341                 return NULL;
 342         }
 343
 344         ret = Py_BuildValue("(sO)", r.out.domain_name, py_dom_sid_FromSid(r.out.domain_sid));
 345
 346         talloc_free(mem_ctx);
 347
 348         return ret;
 349 }
 350
 351 struct replicate_state {
 352         void *vampire_state;
 353         dcerpc_InterfaceObject *drs_pipe;
 354         struct libnet_BecomeDC_StoreChunk chunk;
 355         DATA_BLOB gensec_skey;
 356         struct libnet_BecomeDC_Partition partition;
 357         struct libnet_BecomeDC_Forest forest;
 358         struct libnet_BecomeDC_DestDSA dest_dsa;
 359 };
 360
 361 /*
 362   setup for replicate_chunk() calls
 363  */
 364 static PyObject *py_net_replicate_init(py_net_Object *self, PyObject *args, PyObject *kwargs)
 365 {
 366         const char *kwnames[] = { "samdb", "lp", "drspipe", NULL };
 367         PyObject *py_ldb, *py_lp, *py_drspipe;
 368         struct ldb_context *samdb;
 369         struct loadparm_context *lp;
 370         struct replicate_state *s;
 371         NTSTATUS status;
 372
 373         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OOO",
 374                                          discard_const_p(char *, kwnames),
 375                                          &py_ldb, &py_lp, &py_drspipe)) {
 376                 return NULL;
 377         }
 378
 379         s = talloc_zero(NULL, struct replicate_state);
 380         if (!s) return NULL;
 381
 382         lp = lpcfg_from_py_object(s, py_lp);
 383         if (lp == NULL) {
 384                 PyErr_SetString(PyExc_TypeError, "Expected lp object");
 385                 talloc_free(s);
 386                 return NULL;
 387         }
 388
 389         samdb = pyldb_Ldb_AsLdbContext(py_ldb);
 390         if (samdb == NULL) {
 391                 PyErr_SetString(PyExc_TypeError, "Expected ldb object");
 392                 talloc_free(s);
 393                 return NULL;
 394         }
 395
 396         s->drs_pipe = (dcerpc_InterfaceObject *)(py_drspipe);
 397
 398         s->vampire_state = libnet_vampire_replicate_init(s, samdb, lp);
 399         if (s->vampire_state == NULL) {
 400                 PyErr_SetString(PyExc_TypeError, "Failed to initialise vampire_state");
 401                 talloc_free(s);
 402                 return NULL;
 403         }
 404
 405         status = gensec_session_key(s->drs_pipe->pipe->conn->security_state.generic_state,
 406                                     s,
 407                                     &s->gensec_skey);
 408         if (!NT_STATUS_IS_OK(status)) {
 409                 PyErr_Format(PyExc_RuntimeError, "Unable to get session key from drspipe: %s",
 410                              nt_errstr(status));
 411                 talloc_free(s);
 412                 return NULL;
 413         }
 414
 415         s->forest.dns_name = samdb_dn_to_dns_domain(s, ldb_get_root_basedn(samdb));
 416         s->forest.root_dn_str = ldb_dn_get_linearized(ldb_get_root_basedn(samdb));
 417         s->forest.config_dn_str = ldb_dn_get_linearized(ldb_get_config_basedn(samdb));
 418         s->forest.schema_dn_str = ldb_dn_get_linearized(ldb_get_schema_basedn(samdb));
 419
 420         s->chunk.gensec_skey = &s->gensec_skey;
 421         s->chunk.partition = &s->partition;
 422         s->chunk.forest = &s->forest;
 423         s->chunk.dest_dsa = &s->dest_dsa;
 424
 425         return pytalloc_CObject_FromTallocPtr(s);
 426 }
 427
 428
 429 /*
 430   process one replication chunk
 431  */
 432 static PyObject *py_net_replicate_chunk(py_net_Object *self, PyObject *args, PyObject *kwargs)
 433 {
 434         const char *kwnames[] = { "state", "level", "ctr",
 435                                   "schema", "req_level", "req",
 436                                   NULL };
 437         PyObject *py_state, *py_ctr, *py_schema = Py_None, *py_req = Py_None;
 438         struct replicate_state *s;
 439         unsigned level;
 440         unsigned req_level = 0;
 441         NTSTATUS (*chunk_handler)(void *private_data, const struct libnet_BecomeDC_StoreChunk *c);
 442         NTSTATUS status;
 443
 444         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OIO|OIO",
 445                                          discard_const_p(char *, kwnames),
 446                                          &py_state, &level, &py_ctr,
 447                                          &py_schema, &req_level, &py_req)) {
 448                 return NULL;
 449         }
 450
 451         s = talloc_get_type(PyCObject_AsVoidPtr(py_state), struct replicate_state);
 452         if (!s) {
 453                 PyErr_SetString(PyExc_TypeError, "Expected replication_state");
 454                 return NULL;
 455         }
 456
 457         switch (level) {
 458         case 1:
 459                 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr1")) {
 460                         return NULL;
 461                 }
 462                 s->chunk.ctr1                         = pytalloc_get_ptr(py_ctr);
 463                 s->partition.nc                       = *s->chunk.ctr1->naming_context;
 464                 s->partition.more_data                = s->chunk.ctr1->more_data;
 465                 s->partition.source_dsa_guid          = s->chunk.ctr1->source_dsa_guid;
 466                 s->partition.source_dsa_invocation_id = s->chunk.ctr1->source_dsa_invocation_id;
 467                 s->partition.highwatermark            = s->chunk.ctr1->new_highwatermark;
 468                 break;
 469         case 6:
 470                 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr6")) {
 471                         return NULL;
 472                 }
 473                 s->chunk.ctr6                         = pytalloc_get_ptr(py_ctr);
 474                 s->partition.nc                       = *s->chunk.ctr6->naming_context;
 475                 s->partition.more_data                = s->chunk.ctr6->more_data;
 476                 s->partition.source_dsa_guid          = s->chunk.ctr6->source_dsa_guid;
 477                 s->partition.source_dsa_invocation_id = s->chunk.ctr6->source_dsa_invocation_id;
 478                 s->partition.highwatermark            = s->chunk.ctr6->new_highwatermark;
 479                 break;
 480         default:
 481                 PyErr_Format(PyExc_TypeError, "Bad level %u in replicate_chunk", level);
 482                 return NULL;
 483         }
 484
 485         s->chunk.req5 = NULL;
 486         s->chunk.req8 = NULL;
 487         s->chunk.req10 = NULL;
 488         if (py_req) {
 489                 switch (req_level) {
 490                 case 0:
 491                         break;
 492                 case 5:
 493                         if (!py_check_dcerpc_type(py_req, "samba.dcerpc.drsuapi", "DsGetNCChangesRequest5")) {
 494                                 return NULL;
 495                         }
 496
 497                         s->chunk.req5 = pytalloc_get_ptr(py_req);
 498                         break;
 499                 case 8:
 500                         if (!py_check_dcerpc_type(py_req, "samba.dcerpc.drsuapi", "DsGetNCChangesRequest8")) {
 501                                 return NULL;
 502                         }
 503
 504                         s->chunk.req8 = pytalloc_get_ptr(py_req);
 505                         break;
 506                 case 10:
 507                         if (!py_check_dcerpc_type(py_req, "samba.dcerpc.drsuapi", "DsGetNCChangesRequest10")) {
 508                                 return NULL;
 509                         }
 510
 511                         s->chunk.req10 = pytalloc_get_ptr(py_req);
 512                         break;
 513                 default:
 514                         PyErr_Format(PyExc_TypeError, "Bad req_level %u in replicate_chunk", req_level);
 515                         return NULL;
 516                 }
 517         }
 518         s->chunk.req_level = req_level;
 519
 520         chunk_handler = libnet_vampire_cb_store_chunk;
 521         if (py_schema) {
 522                 if (!PyBool_Check(py_schema)) {
 523                         PyErr_SetString(PyExc_TypeError, "Expected boolean schema");
 524                         return NULL;
 525                 }
 526                 if (py_schema == Py_True) {
 527                         chunk_handler = libnet_vampire_cb_schema_chunk;
 528                 }
 529         }
 530
 531         s->chunk.ctr_level = level;
 532
 533         status = chunk_handler(s->vampire_state, &s->chunk);
 534         if (!NT_STATUS_IS_OK(status)) {
 535                 PyErr_Format(PyExc_TypeError, "Failed to process chunk: %s", nt_errstr(status));
 536                 return NULL;
 537         }
 538
 539         Py_RETURN_NONE;
 540 }
 541
 542
 543 /*
 544   find a DC given a domain name and server type
 545  */
 546 static PyObject *py_net_finddc(py_net_Object *self, PyObject *args, PyObject *kwargs)
 547 {
 548         const char *domain = NULL, *address = NULL;
 549         unsigned server_type;
 550         NTSTATUS status;
 551         struct finddcs *io;
 552         TALLOC_CTX *mem_ctx;
 553         PyObject *ret;
 554         const char * const kwnames[] = { "flags", "domain", "address", NULL };
 555
 556         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "I|ss",
 557                                          discard_const_p(char *, kwnames),
 558                                          &server_type, &domain, &address)) {
 559                 return NULL;
 560         }
 561
 562         mem_ctx = talloc_new(self->mem_ctx);
 563
 564         io = talloc_zero(mem_ctx, struct finddcs);
 565         if (domain != NULL) {
 566                 io->in.domain_name = domain;
 567         }
 568         if (address != NULL) {
 569                 io->in.server_address = address;
 570         }
 571         io->in.minimum_dc_flags = server_type;
 572
 573         status = finddcs_cldap(io, io,
 574                                lpcfg_resolve_context(self->libnet_ctx->lp_ctx), self->ev);
 575         if (NT_STATUS_IS_ERR(status)) {
 576                 PyErr_SetString(PyExc_RuntimeError, nt_errstr(status));
 577                 talloc_free(mem_ctx);
 578                 return NULL;
 579         }
 580
 581         ret = py_return_ndr_struct("samba.dcerpc.nbt", "NETLOGON_SAM_LOGON_RESPONSE_EX",
 582                                    io, &io->out.netlogon.data.nt5_ex);
 583         talloc_free(mem_ctx);
 584
 585         return ret;
 586 }
 587
 588
 589 static const char py_net_vampire_doc[] = "vampire(domain, target_dir=None)\n"
 590                                          "Vampire a domain.";
 591
 592 static const char py_net_replicate_init_doc[] = "replicate_init(samdb, lp, drspipe)\n"
 593                                          "Setup for replicate_chunk calls.";
 594
 595 static const char py_net_replicate_chunk_doc[] = "replicate_chunk(state, level, ctr, schema)\n"
 596                                          "Process replication for one chunk";
 597
 598 static const char py_net_finddc_doc[] = "finddc(flags=server_type, domain=None, address=None)\n"
 599                                          "Find a DC with the specified 'server_type' bits. The 'domain' and/or 'address' have to be used as additional search criteria. Returns the whole netlogon struct";
 600
 601 static PyMethodDef net_obj_methods[] = {
 602         {"join_member", (PyCFunction)py_net_join_member, METH_VARARGS|METH_KEYWORDS, py_net_join_member_doc},
 603         {"change_password", (PyCFunction)py_net_change_password, METH_VARARGS|METH_KEYWORDS, py_net_change_password_doc},
 604         {"set_password", (PyCFunction)py_net_set_password, METH_VARARGS|METH_KEYWORDS, py_net_set_password_doc},
 605         {"time", (PyCFunction)py_net_time, METH_VARARGS|METH_KEYWORDS, py_net_time_doc},
 606         {"create_user", (PyCFunction)py_net_user_create, METH_VARARGS|METH_KEYWORDS, py_net_create_user_doc},
 607         {"delete_user", (PyCFunction)py_net_user_delete, METH_VARARGS|METH_KEYWORDS, py_net_delete_user_doc},
 608         {"vampire", (PyCFunction)py_net_vampire, METH_VARARGS|METH_KEYWORDS, py_net_vampire_doc},
 609         {"replicate_init", (PyCFunction)py_net_replicate_init, METH_VARARGS|METH_KEYWORDS, py_net_replicate_init_doc},
 610         {"replicate_chunk", (PyCFunction)py_net_replicate_chunk, METH_VARARGS|METH_KEYWORDS, py_net_replicate_chunk_doc},
 611         {"finddc", (PyCFunction)py_net_finddc, METH_KEYWORDS, py_net_finddc_doc},
 612         { NULL }
 613 };
 614
 615 static void py_net_dealloc(py_net_Object *self)
 616 {
 617         talloc_free(self->mem_ctx);
 618         PyObject_Del(self);
 619 }
 620
 621 static PyObject *net_obj_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 622 {
 623         PyObject *py_creds, *py_lp = Py_None;
 624         const char *kwnames[] = { "creds", "lp", "server", NULL };
 625         py_net_Object *ret;
 626         struct loadparm_context *lp;
 627         const char *server_address = NULL;
 628
 629         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|Oz",
 630                                          discard_const_p(char *, kwnames), &py_creds, &py_lp,
 631                                          &server_address))
 632                 return NULL;
 633
 634         ret = PyObject_New(py_net_Object, type);
 635         if (ret == NULL) {
 636                 return NULL;
 637         }
 638
 639         /* FIXME: we really need to get a context from the caller or we may end
 640          * up with 2 event contexts */
 641         ret->ev = s4_event_context_init(NULL);
 642         ret->mem_ctx = talloc_new(ret->ev);
 643
 644         lp = lpcfg_from_py_object(ret->mem_ctx, py_lp);
 645         if (lp == NULL) {
 646                 Py_DECREF(ret);
 647                 return NULL;
 648         }
 649
 650         ret->libnet_ctx = libnet_context_init(ret->ev, lp);
 651         if (ret->libnet_ctx == NULL) {
 652                 PyErr_SetString(PyExc_RuntimeError, "Unable to initialize net");
 653                 Py_DECREF(ret);
 654                 return NULL;
 655         }
 656
 657         ret->libnet_ctx->server_address = server_address;
 658
 659         ret->libnet_ctx->cred = cli_credentials_from_py_object(py_creds);
 660         if (ret->libnet_ctx->cred == NULL) {
 661                 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
 662                 Py_DECREF(ret);
 663                 return NULL;
 664         }
 665
 666         return (PyObject *)ret;
 667 }
 668
 669
 670 PyTypeObject py_net_Type = {
 671         PyObject_HEAD_INIT(NULL) 0,
 672         .tp_name = "net.Net",
 673         .tp_basicsize = sizeof(py_net_Object),
 674         .tp_dealloc = (destructor)py_net_dealloc,
 675         .tp_methods = net_obj_methods,
 676         .tp_new = net_obj_new,
 677 };
 678
 679 void initnet(void)
 680 {
 681         PyObject *m;
 682
 683         if (PyType_Ready(&py_net_Type) < 0)
 684                 return;
 685
 686         m = Py_InitModule3("net", NULL, NULL);
 687         if (m == NULL)
 688                 return;
 689
 690         Py_INCREF(&py_net_Type);
 691         PyModule_AddObject(m, "Net", (PyObject *)&py_net_Type);
 692         PyModule_AddObject(m, "LIBNET_JOINDOMAIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOINDOMAIN_AUTOMATIC));
 693         PyModule_AddObject(m, "LIBNET_JOINDOMAIN_SPECIFIED", PyInt_FromLong(LIBNET_JOINDOMAIN_SPECIFIED));
 694         PyModule_AddObject(m, "LIBNET_JOIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOIN_AUTOMATIC));
 695         PyModule_AddObject(m, "LIBNET_JOIN_SPECIFIED", PyInt_FromLong(LIBNET_JOIN_SPECIFIED));
 696 }