2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008-2010
5 Copyright (C) Kamen Mazdrashki <kamen.mazdrashki@postpath.com> 2009
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
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/finddc.h"
33 #include "libcli/resolve/resolve.h"
38 struct libnet_context *libnet_ctx;
39 struct tevent_context *ev;
42 static PyObject *py_net_join(py_net_Object *self, PyObject *args, PyObject *kwargs)
48 const char *kwnames[] = { "domain_name", "netbios_name", "join_type", "level", NULL };
50 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ssii:Join", discard_const_p(char *, kwnames),
51 &r.in.domain_name, &r.in.netbios_name,
52 &r.in.join_type, &r.in.level))
55 mem_ctx = talloc_new(self->mem_ctx);
56 if (mem_ctx == NULL) {
61 status = libnet_Join(self->libnet_ctx, mem_ctx, &r);
62 if (NT_STATUS_IS_ERR(status)) {
63 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
68 result = Py_BuildValue("sss", r.out.join_password,
69 dom_sid_string(mem_ctx, r.out.domain_sid),
77 static const char py_net_join_doc[] = "join(domain_name, netbios_name, join_type, level) -> (join_password, domain_sid, domain_name)\n\n" \
78 "Join the domain with the specified name.";
80 static PyObject *py_net_set_password(py_net_Object *self, PyObject *args, PyObject *kwargs)
82 union libnet_SetPassword r;
86 struct tevent_context *ev;
87 const char *kwnames[] = { "account_name", "domain_name", "newpassword", "credentials", NULL };
89 r.generic.level = LIBNET_SET_PASSWORD_GENERIC;
91 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sssO:set_password", discard_const_p(char *, kwnames),
92 &r.generic.in.account_name, &r.generic.in.domain_name,
93 &r.generic.in.newpassword, &py_creds)) {
97 /* FIXME: we really need to get a context from the caller or we may end
98 * up with 2 event contexts */
99 ev = s4_event_context_init(NULL);
101 mem_ctx = talloc_new(ev);
102 if (mem_ctx == NULL) {
107 status = libnet_SetPassword(self->libnet_ctx, mem_ctx, &r);
108 if (NT_STATUS_IS_ERR(status)) {
109 PyErr_SetString(PyExc_RuntimeError,
110 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
111 talloc_free(mem_ctx);
115 talloc_free(mem_ctx);
120 static const char py_net_set_password_doc[] = "set_password(account_name, domain_name, newpassword) -> True\n\n" \
121 "Set password for a user. You must supply credential with enough rights to do this.\n\n" \
122 "Sample usage is:\n" \
123 "net.set_password(account_name=<account_name>,\n" \
124 " domain_name=domain_name,\n" \
125 " newpassword=new_pass)\n";
128 static PyObject *py_net_export_keytab(py_net_Object *self, PyObject *args, PyObject *kwargs)
130 struct libnet_export_keytab r;
132 const char *kwnames[] = { "keytab", NULL };
135 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:export_keytab", discard_const_p(char *, kwnames),
136 &r.in.keytab_name)) {
140 mem_ctx = talloc_new(self->mem_ctx);
141 if (mem_ctx == NULL) {
146 status = libnet_export_keytab(self->libnet_ctx, mem_ctx, &r);
147 if (NT_STATUS_IS_ERR(status)) {
148 PyErr_SetString(PyExc_RuntimeError,
149 r.out.error_string?r.out.error_string:nt_errstr(status));
150 talloc_free(mem_ctx);
154 talloc_free(mem_ctx);
159 static const char py_net_export_keytab_doc[] = "export_keytab(keytab, name)\n\n"
160 "Export the DC keytab to a keytab file.";
162 static PyObject *py_net_time(py_net_Object *self, PyObject *args, PyObject *kwargs)
164 const char *kwnames[] = { "server_name", NULL };
165 union libnet_RemoteTOD r;
172 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s",
173 discard_const_p(char *, kwnames), &r.generic.in.server_name))
176 r.generic.level = LIBNET_REMOTE_TOD_GENERIC;
178 mem_ctx = talloc_new(NULL);
179 if (mem_ctx == NULL) {
184 status = libnet_RemoteTOD(self->libnet_ctx, mem_ctx, &r);
185 if (!NT_STATUS_IS_OK(status)) {
186 PyErr_SetString(PyExc_RuntimeError,
187 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
188 talloc_free(mem_ctx);
192 ZERO_STRUCT(timestr);
193 tm = localtime(&r.generic.out.time);
194 strftime(timestr, sizeof(timestr)-1, "%c %Z",tm);
196 ret = PyString_FromString(timestr);
198 talloc_free(mem_ctx);
203 static const char py_net_time_doc[] = "time(server_name) -> timestr\n"
204 "Retrieve the remote time on a server";
206 static PyObject *py_net_user_create(py_net_Object *self, PyObject *args, PyObject *kwargs)
208 const char *kwnames[] = { "username", NULL };
211 struct libnet_CreateUser r;
213 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
217 r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
219 mem_ctx = talloc_new(NULL);
220 if (mem_ctx == NULL) {
225 status = libnet_CreateUser(self->libnet_ctx, mem_ctx, &r);
226 if (!NT_STATUS_IS_OK(status)) {
227 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
228 talloc_free(mem_ctx);
232 talloc_free(mem_ctx);
237 static const char py_net_create_user_doc[] = "create_user(username)\n"
238 "Create a new user.";
240 static PyObject *py_net_user_delete(py_net_Object *self, PyObject *args, PyObject *kwargs)
242 const char *kwnames[] = { "username", NULL };
245 struct libnet_DeleteUser r;
247 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
251 r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
253 mem_ctx = talloc_new(NULL);
254 if (mem_ctx == NULL) {
259 status = libnet_DeleteUser(self->libnet_ctx, mem_ctx, &r);
260 if (!NT_STATUS_IS_OK(status)) {
261 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
262 talloc_free(mem_ctx);
266 talloc_free(mem_ctx);
271 static const char py_net_delete_user_doc[] = "delete_user(username)\n"
274 static PyObject *py_dom_sid_FromSid(struct dom_sid *sid)
276 PyObject *mod_security, *dom_sid_Type;
278 mod_security = PyImport_ImportModule("samba.dcerpc.security");
279 if (mod_security == NULL)
282 dom_sid_Type = PyObject_GetAttrString(mod_security, "dom_sid");
283 if (dom_sid_Type == NULL)
286 return py_talloc_reference((PyTypeObject *)dom_sid_Type, sid);
289 static PyObject *py_net_vampire(py_net_Object *self, PyObject *args, PyObject *kwargs)
291 const char *kwnames[] = { "domain", "target_dir", NULL };
295 struct libnet_Vampire r;
297 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|z", discard_const_p(char *, kwnames),
298 &r.in.domain_name, &r.in.targetdir)) {
302 r.in.netbios_name = lpcfg_netbios_name(self->libnet_ctx->lp_ctx);
303 r.out.error_string = NULL;
305 mem_ctx = talloc_new(NULL);
306 if (mem_ctx == NULL) {
311 status = libnet_Vampire(self->libnet_ctx, mem_ctx, &r);
313 if (!NT_STATUS_IS_OK(status)) {
314 PyErr_SetString(PyExc_RuntimeError,
315 r.out.error_string ? r.out.error_string : nt_errstr(status));
316 talloc_free(mem_ctx);
320 ret = Py_BuildValue("(sO)", r.out.domain_name, py_dom_sid_FromSid(r.out.domain_sid));
322 talloc_free(mem_ctx);
327 struct replicate_state {
329 dcerpc_InterfaceObject *drs_pipe;
330 struct libnet_BecomeDC_StoreChunk chunk;
331 DATA_BLOB gensec_skey;
332 struct libnet_BecomeDC_Partition partition;
333 struct libnet_BecomeDC_Forest forest;
334 struct libnet_BecomeDC_DestDSA dest_dsa;
338 setup for replicate_chunk() calls
340 static PyObject *py_net_replicate_init(py_net_Object *self, PyObject *args, PyObject *kwargs)
342 const char *kwnames[] = { "samdb", "lp", "drspipe", NULL };
343 PyObject *py_ldb, *py_lp, *py_drspipe;
344 struct ldb_context *samdb;
345 struct loadparm_context *lp;
346 struct replicate_state *s;
349 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OOO",
350 discard_const_p(char *, kwnames),
351 &py_ldb, &py_lp, &py_drspipe)) {
355 s = talloc_zero(NULL, struct replicate_state);
358 lp = lpcfg_from_py_object(s, py_lp);
360 PyErr_SetString(PyExc_TypeError, "Expected lp object");
365 samdb = PyLdb_AsLdbContext(py_ldb);
367 PyErr_SetString(PyExc_TypeError, "Expected ldb object");
372 s->drs_pipe = (dcerpc_InterfaceObject *)(py_drspipe);
374 s->vampire_state = libnet_vampire_replicate_init(s, samdb, lp);
375 if (s->vampire_state == NULL) {
376 PyErr_SetString(PyExc_TypeError, "Failed to initialise vampire_state");
381 status = gensec_session_key(s->drs_pipe->pipe->conn->security_state.generic_state,
383 if (!NT_STATUS_IS_OK(status)) {
384 PyErr_Format(PyExc_RuntimeError, "Unable to get session key from drspipe: %s",
390 s->forest.dns_name = lpcfg_dnsdomain(lp);
392 s->chunk.gensec_skey = &s->gensec_skey;
393 s->chunk.partition = &s->partition;
394 s->chunk.forest = &s->forest;
395 s->chunk.dest_dsa = &s->dest_dsa;
397 return PyCObject_FromTallocPtr(s);
402 process one replication chunk
404 static PyObject *py_net_replicate_chunk(py_net_Object *self, PyObject *args, PyObject *kwargs)
406 const char *kwnames[] = { "state", "level", "ctr", "schema", NULL };
407 PyObject *py_state, *py_ctr, *py_schema;
408 struct replicate_state *s;
410 NTSTATUS (*chunk_handler)(void *private_data, const struct libnet_BecomeDC_StoreChunk *c);
413 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OIO|O",
414 discard_const_p(char *, kwnames),
415 &py_state, &level, &py_ctr, &py_schema)) {
419 s = talloc_get_type(PyCObject_AsVoidPtr(py_state), struct replicate_state);
421 PyErr_SetString(PyExc_TypeError, "Expected replication_state");
427 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr1")) {
430 s->chunk.ctr1 = py_talloc_get_ptr(py_ctr);
431 s->partition.nc = *s->chunk.ctr1->naming_context;
432 s->partition.more_data = s->chunk.ctr1->more_data;
433 s->partition.source_dsa_guid = s->chunk.ctr1->source_dsa_guid;
434 s->partition.source_dsa_invocation_id = s->chunk.ctr1->source_dsa_invocation_id;
435 s->partition.highwatermark = s->chunk.ctr1->new_highwatermark;
438 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr6")) {
441 s->chunk.ctr6 = py_talloc_get_ptr(py_ctr);
442 s->partition.nc = *s->chunk.ctr6->naming_context;
443 s->partition.more_data = s->chunk.ctr6->more_data;
444 s->partition.source_dsa_guid = s->chunk.ctr6->source_dsa_guid;
445 s->partition.source_dsa_invocation_id = s->chunk.ctr6->source_dsa_invocation_id;
446 s->partition.highwatermark = s->chunk.ctr6->new_highwatermark;
449 PyErr_Format(PyExc_TypeError, "Bad level %u in replicate_chunk", level);
453 chunk_handler = libnet_vampire_cb_store_chunk;
455 if (!PyBool_Check(py_schema)) {
456 PyErr_SetString(PyExc_TypeError, "Expected boolean schema");
459 if (py_schema == Py_True) {
460 chunk_handler = libnet_vampire_cb_schema_chunk;
464 s->chunk.ctr_level = level;
466 status = chunk_handler(s->vampire_state, &s->chunk);
467 if (!NT_STATUS_IS_OK(status)) {
468 PyErr_Format(PyExc_TypeError, "Failed to process chunk: %s", nt_errstr(status));
477 find a DC given a domain name and server type
479 static PyObject *py_net_finddc(py_net_Object *self, PyObject *args)
481 const char *domain_name;
482 unsigned server_type;
488 if (!PyArg_ParseTuple(args, "sI", &domain_name, &server_type)) {
492 mem_ctx = talloc_new(self->mem_ctx);
494 io = talloc_zero(mem_ctx, struct finddcs);
495 io->in.domain_name = domain_name;
496 io->in.minimum_dc_flags = server_type;
498 status = finddcs_cldap(io, io,
499 lpcfg_resolve_context(self->libnet_ctx->lp_ctx), self->ev);
500 if (NT_STATUS_IS_ERR(status)) {
501 PyErr_SetString(PyExc_RuntimeError, nt_errstr(status));
502 talloc_free(mem_ctx);
506 ret = py_return_ndr_struct("samba.dcerpc.nbt", "NETLOGON_SAM_LOGON_RESPONSE_EX",
507 io, &io->out.netlogon.data.nt5_ex);
508 talloc_free(mem_ctx);
514 static const char py_net_vampire_doc[] = "vampire(domain, target_dir=None)\n"
517 static const char py_net_replicate_init_doc[] = "replicate_init(samdb, lp, drspipe)\n"
518 "Setup for replicate_chunk calls.";
520 static const char py_net_replicate_chunk_doc[] = "replicate_chunk(state, level, ctr, schema)\n"
521 "Process replication for one chunk";
523 static const char py_net_finddc_doc[] = "finddc(domain, server_type)\n"
524 "find a DC with the specified server_type bits. Return the DNS name";
526 static PyMethodDef net_obj_methods[] = {
527 {"join", (PyCFunction)py_net_join, METH_VARARGS|METH_KEYWORDS, py_net_join_doc},
528 {"set_password", (PyCFunction)py_net_set_password, METH_VARARGS|METH_KEYWORDS, py_net_set_password_doc},
529 {"export_keytab", (PyCFunction)py_net_export_keytab, METH_VARARGS|METH_KEYWORDS, py_net_export_keytab_doc},
530 {"time", (PyCFunction)py_net_time, METH_VARARGS|METH_KEYWORDS, py_net_time_doc},
531 {"create_user", (PyCFunction)py_net_user_create, METH_VARARGS|METH_KEYWORDS, py_net_create_user_doc},
532 {"delete_user", (PyCFunction)py_net_user_delete, METH_VARARGS|METH_KEYWORDS, py_net_delete_user_doc},
533 {"vampire", (PyCFunction)py_net_vampire, METH_VARARGS|METH_KEYWORDS, py_net_vampire_doc},
534 {"replicate_init", (PyCFunction)py_net_replicate_init, METH_VARARGS|METH_KEYWORDS, py_net_replicate_init_doc},
535 {"replicate_chunk", (PyCFunction)py_net_replicate_chunk, METH_VARARGS|METH_KEYWORDS, py_net_replicate_chunk_doc},
536 {"finddc", (PyCFunction)py_net_finddc, METH_VARARGS, py_net_finddc_doc},
540 static void py_net_dealloc(py_net_Object *self)
542 talloc_free(self->mem_ctx);
545 static PyObject *net_obj_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
547 PyObject *py_creds, *py_lp = Py_None;
548 const char *kwnames[] = { "creds", "lp", "server", NULL };
550 struct loadparm_context *lp;
551 const char *server_address = NULL;
553 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|Oz",
554 discard_const_p(char *, kwnames), &py_creds, &py_lp,
558 ret = PyObject_New(py_net_Object, type);
563 /* FIXME: we really need to get a context from the caller or we may end
564 * up with 2 event contexts */
565 ret->ev = s4_event_context_init(NULL);
566 ret->mem_ctx = talloc_new(ret->ev);
568 lp = lpcfg_from_py_object(ret->mem_ctx, py_lp);
574 ret->libnet_ctx = libnet_context_init(ret->ev, lp);
575 if (ret->libnet_ctx == NULL) {
576 PyErr_SetString(PyExc_RuntimeError, "Unable to initialize net");
581 ret->libnet_ctx->server_address = server_address;
583 ret->libnet_ctx->cred = cli_credentials_from_py_object(py_creds);
584 if (ret->libnet_ctx->cred == NULL) {
585 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
590 return (PyObject *)ret;
594 PyTypeObject py_net_Type = {
595 PyObject_HEAD_INIT(NULL) 0,
596 .tp_name = "net.Net",
597 .tp_basicsize = sizeof(py_net_Object),
598 .tp_dealloc = (destructor)py_net_dealloc,
599 .tp_methods = net_obj_methods,
600 .tp_new = net_obj_new,
607 if (PyType_Ready(&py_net_Type) < 0)
610 m = Py_InitModule3("net", NULL, NULL);
614 Py_INCREF(&py_net_Type);
615 PyModule_AddObject(m, "Net", (PyObject *)&py_net_Type);
616 PyModule_AddObject(m, "LIBNET_JOINDOMAIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOINDOMAIN_AUTOMATIC));
617 PyModule_AddObject(m, "LIBNET_JOINDOMAIN_SPECIFIED", PyInt_FromLong(LIBNET_JOINDOMAIN_SPECIFIED));
618 PyModule_AddObject(m, "LIBNET_JOIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOIN_AUTOMATIC));
619 PyModule_AddObject(m, "LIBNET_JOIN_SPECIFIED", PyInt_FromLong(LIBNET_JOIN_SPECIFIED));