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/>.
24 #include "auth/credentials/pycredentials.h"
25 #include "libcli/security/security.h"
26 #include "lib/events/events.h"
27 #include "param/param.h"
28 #include "param/pyparam.h"
29 #include "lib/ldb/pyldb.h"
30 #include "auth/gensec/gensec.h"
31 #include "librpc/rpc/pyrpc.h"
32 #include "librpc/rpc/pyrpc_util.h"
33 #include "lib/messaging/messaging.h"
34 #include "libcli/finddc.h"
35 #include "libcli/resolve/resolve.h"
40 struct libnet_context *libnet_ctx;
41 struct tevent_context *ev;
44 static PyObject *py_net_join(py_net_Object *self, PyObject *args, PyObject *kwargs)
50 const char *kwnames[] = { "domain_name", "netbios_name", "join_type", "level", NULL };
52 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ssii:Join", discard_const_p(char *, kwnames),
53 &r.in.domain_name, &r.in.netbios_name,
54 &r.in.join_type, &r.in.level))
57 mem_ctx = talloc_new(self->mem_ctx);
59 status = libnet_Join(self->libnet_ctx, mem_ctx, &r);
60 if (NT_STATUS_IS_ERR(status)) {
61 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
66 result = Py_BuildValue("sss", r.out.join_password,
67 dom_sid_string(mem_ctx, r.out.domain_sid),
75 static const char py_net_join_doc[] = "join(domain_name, netbios_name, join_type, level) -> (join_password, domain_sid, domain_name)\n\n" \
76 "Join the domain with the specified name.";
78 static PyObject *py_net_set_password(py_net_Object *self, PyObject *args, PyObject *kwargs)
80 union libnet_SetPassword r;
84 struct tevent_context *ev;
85 const char *kwnames[] = { "account_name", "domain_name", "newpassword", "credentials", NULL };
87 r.generic.level = LIBNET_SET_PASSWORD_GENERIC;
89 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sssO:set_password", discard_const_p(char *, kwnames),
90 &r.generic.in.account_name, &r.generic.in.domain_name,
91 &r.generic.in.newpassword, &py_creds)) {
95 /* FIXME: we really need to get a context from the caller or we may end
96 * up with 2 event contexts */
97 ev = s4_event_context_init(NULL);
98 mem_ctx = talloc_new(ev);
100 status = libnet_SetPassword(self->libnet_ctx, mem_ctx, &r);
101 if (NT_STATUS_IS_ERR(status)) {
102 PyErr_SetString(PyExc_RuntimeError,
103 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
104 talloc_free(mem_ctx);
108 talloc_free(mem_ctx);
113 static const char py_net_set_password_doc[] = "set_password(account_name, domain_name, newpassword) -> True\n\n" \
114 "Set password for a user. You must supply credential with enough rights to do this.\n\n" \
115 "Sample usage is:\n" \
116 "net.set_password(account_name=<account_name>,\n" \
117 " domain_name=domain_name,\n" \
118 " newpassword=new_pass)\n";
121 static PyObject *py_net_export_keytab(py_net_Object *self, PyObject *args, PyObject *kwargs)
123 struct libnet_export_keytab r;
125 const char *kwnames[] = { "keytab", NULL };
128 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:export_keytab", discard_const_p(char *, kwnames),
129 &r.in.keytab_name)) {
133 mem_ctx = talloc_new(self->mem_ctx);
135 status = libnet_export_keytab(self->libnet_ctx, mem_ctx, &r);
136 if (NT_STATUS_IS_ERR(status)) {
137 PyErr_SetString(PyExc_RuntimeError,
138 r.out.error_string?r.out.error_string:nt_errstr(status));
139 talloc_free(mem_ctx);
143 talloc_free(mem_ctx);
148 static const char py_net_export_keytab_doc[] = "export_keytab(keytab, name)\n\n"
149 "Export the DC keytab to a keytab file.";
151 static PyObject *py_net_time(py_net_Object *self, PyObject *args, PyObject *kwargs)
153 const char *kwnames[] = { "server_name", NULL };
154 union libnet_RemoteTOD r;
161 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s",
162 discard_const_p(char *, kwnames), &r.generic.in.server_name))
165 r.generic.level = LIBNET_REMOTE_TOD_GENERIC;
167 mem_ctx = talloc_new(NULL);
168 if (mem_ctx == NULL) {
173 status = libnet_RemoteTOD(self->libnet_ctx, mem_ctx, &r);
174 if (!NT_STATUS_IS_OK(status)) {
175 PyErr_SetString(PyExc_RuntimeError,
176 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
177 talloc_free(mem_ctx);
181 ZERO_STRUCT(timestr);
182 tm = localtime(&r.generic.out.time);
183 strftime(timestr, sizeof(timestr)-1, "%c %Z",tm);
185 ret = PyString_FromString(timestr);
187 talloc_free(mem_ctx);
192 static const char py_net_time_doc[] = "time(server_name) -> timestr\n"
193 "Retrieve the remote time on a server";
195 static PyObject *py_net_user_create(py_net_Object *self, PyObject *args, PyObject *kwargs)
197 const char *kwnames[] = { "username", NULL };
200 struct libnet_CreateUser r;
202 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
206 r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
208 mem_ctx = talloc_new(NULL);
209 if (mem_ctx == NULL) {
214 status = libnet_CreateUser(self->libnet_ctx, mem_ctx, &r);
215 if (!NT_STATUS_IS_OK(status)) {
216 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
217 talloc_free(mem_ctx);
221 talloc_free(mem_ctx);
226 static const char py_net_create_user_doc[] = "create_user(username)\n"
227 "Create a new user.";
229 static PyObject *py_net_user_delete(py_net_Object *self, PyObject *args, PyObject *kwargs)
231 const char *kwnames[] = { "username", NULL };
234 struct libnet_DeleteUser r;
236 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
240 r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
242 mem_ctx = talloc_new(NULL);
243 if (mem_ctx == NULL) {
248 status = libnet_DeleteUser(self->libnet_ctx, mem_ctx, &r);
249 if (!NT_STATUS_IS_OK(status)) {
250 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
251 talloc_free(mem_ctx);
255 talloc_free(mem_ctx);
260 static const char py_net_delete_user_doc[] = "delete_user(username)\n"
263 static PyObject *py_dom_sid_FromSid(struct dom_sid *sid)
265 PyObject *mod_security, *dom_sid_Type;
267 mod_security = PyImport_ImportModule("samba.dcerpc.security");
268 if (mod_security == NULL)
271 dom_sid_Type = PyObject_GetAttrString(mod_security, "dom_sid");
272 if (dom_sid_Type == NULL)
275 return py_talloc_reference((PyTypeObject *)dom_sid_Type, sid);
278 static PyObject *py_net_vampire(py_net_Object *self, PyObject *args, PyObject *kwargs)
280 const char *kwnames[] = { "domain", "target_dir", NULL };
284 struct libnet_Vampire r;
286 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|z", discard_const_p(char *, kwnames),
287 &r.in.domain_name, &r.in.targetdir)) {
291 r.in.netbios_name = lpcfg_netbios_name(self->libnet_ctx->lp_ctx);
292 r.out.error_string = NULL;
294 mem_ctx = talloc_new(NULL);
295 if (mem_ctx == NULL) {
300 status = libnet_Vampire(self->libnet_ctx, mem_ctx, &r);
302 if (!NT_STATUS_IS_OK(status)) {
303 PyErr_SetString(PyExc_RuntimeError,
304 r.out.error_string ? r.out.error_string : nt_errstr(status));
305 talloc_free(mem_ctx);
309 ret = Py_BuildValue("(sO)", r.out.domain_name, py_dom_sid_FromSid(r.out.domain_sid));
311 talloc_free(mem_ctx);
316 struct replicate_state {
318 dcerpc_InterfaceObject *drs_pipe;
319 struct libnet_BecomeDC_StoreChunk chunk;
320 DATA_BLOB gensec_skey;
321 struct libnet_BecomeDC_Partition partition;
322 struct libnet_BecomeDC_Forest forest;
323 struct libnet_BecomeDC_DestDSA dest_dsa;
327 setup for replicate_chunk() calls
329 static PyObject *py_net_replicate_init(py_net_Object *self, PyObject *args, PyObject *kwargs)
331 const char *kwnames[] = { "samdb", "lp", "drspipe", NULL };
332 PyObject *py_ldb, *py_lp, *py_drspipe;
333 struct ldb_context *samdb;
334 struct loadparm_context *lp;
335 struct replicate_state *s;
338 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OOO",
339 discard_const_p(char *, kwnames),
340 &py_ldb, &py_lp, &py_drspipe)) {
344 s = talloc_zero(NULL, struct replicate_state);
347 lp = lpcfg_from_py_object(s, py_lp);
349 PyErr_SetString(PyExc_TypeError, "Expected lp object");
354 samdb = PyLdb_AsLdbContext(py_ldb);
356 PyErr_SetString(PyExc_TypeError, "Expected ldb object");
361 s->drs_pipe = (dcerpc_InterfaceObject *)(py_drspipe);
363 s->vampire_state = libnet_vampire_replicate_init(s, samdb, lp);
364 if (s->vampire_state == NULL) {
365 PyErr_SetString(PyExc_TypeError, "Failed to initialise vampire_state");
370 status = gensec_session_key(s->drs_pipe->pipe->conn->security_state.generic_state,
372 if (!NT_STATUS_IS_OK(status)) {
373 PyErr_Format(PyExc_RuntimeError, "Unable to get session key from drspipe: %s",
379 s->forest.dns_name = lpcfg_dnsdomain(lp);
381 s->chunk.gensec_skey = &s->gensec_skey;
382 s->chunk.partition = &s->partition;
383 s->chunk.forest = &s->forest;
384 s->chunk.dest_dsa = &s->dest_dsa;
386 return PyCObject_FromTallocPtr(s);
391 process one replication chunk
393 static PyObject *py_net_replicate_chunk(py_net_Object *self, PyObject *args, PyObject *kwargs)
395 const char *kwnames[] = { "state", "level", "ctr", "schema", NULL };
396 PyObject *py_state, *py_ctr, *py_schema;
397 struct replicate_state *s;
399 NTSTATUS (*chunk_handler)(void *private_data, const struct libnet_BecomeDC_StoreChunk *c);
402 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OIO|O",
403 discard_const_p(char *, kwnames),
404 &py_state, &level, &py_ctr, &py_schema)) {
408 s = talloc_get_type(PyCObject_AsVoidPtr(py_state), struct replicate_state);
410 PyErr_SetString(PyExc_TypeError, "Expected replication_state");
416 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr1")) {
419 s->chunk.ctr1 = py_talloc_get_ptr(py_ctr);
420 s->partition.nc = *s->chunk.ctr1->naming_context;
421 s->partition.more_data = s->chunk.ctr1->more_data;
422 s->partition.source_dsa_guid = s->chunk.ctr1->source_dsa_guid;
423 s->partition.source_dsa_invocation_id = s->chunk.ctr1->source_dsa_invocation_id;
424 s->partition.highwatermark = s->chunk.ctr1->new_highwatermark;
427 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr6")) {
430 s->chunk.ctr6 = py_talloc_get_ptr(py_ctr);
431 s->partition.nc = *s->chunk.ctr6->naming_context;
432 s->partition.more_data = s->chunk.ctr6->more_data;
433 s->partition.source_dsa_guid = s->chunk.ctr6->source_dsa_guid;
434 s->partition.source_dsa_invocation_id = s->chunk.ctr6->source_dsa_invocation_id;
435 s->partition.highwatermark = s->chunk.ctr6->new_highwatermark;
438 PyErr_Format(PyExc_TypeError, "Bad level %u in replicate_chunk", level);
442 chunk_handler = libnet_vampire_cb_store_chunk;
444 if (!PyBool_Check(py_schema)) {
445 PyErr_SetString(PyExc_TypeError, "Expected boolean schema");
448 if (py_schema == Py_True) {
449 chunk_handler = libnet_vampire_cb_schema_chunk;
453 s->chunk.ctr_level = level;
455 status = chunk_handler(s->vampire_state, &s->chunk);
456 if (!NT_STATUS_IS_OK(status)) {
457 PyErr_Format(PyExc_TypeError, "Failed to process chunk: %s", nt_errstr(status));
466 find a DC given a domain name and server type
468 static PyObject *py_net_finddc(py_net_Object *self, PyObject *args)
470 const char *domain_name;
471 unsigned server_type;
477 if (!PyArg_ParseTuple(args, "sI", &domain_name, &server_type)) {
481 mem_ctx = talloc_new(self->mem_ctx);
484 io.in.domain_name = domain_name;
485 io.in.minimum_dc_flags = server_type;
487 status = finddcs_cldap(mem_ctx, &io,
488 lpcfg_resolve_context(self->libnet_ctx->lp_ctx), self->ev);
489 if (NT_STATUS_IS_ERR(status)) {
490 PyErr_SetString(PyExc_RuntimeError, nt_errstr(status));
491 talloc_free(mem_ctx);
495 ret = PyString_FromString(io.out.netlogon.data.nt5_ex.pdc_dns_name);
497 talloc_free(mem_ctx);
502 static const char py_net_vampire_doc[] = "vampire(domain, target_dir=None)\n"
505 static const char py_net_replicate_init_doc[] = "replicate_init(samdb, lp, drspipe)\n"
506 "Setup for replicate_chunk calls.";
508 static const char py_net_replicate_chunk_doc[] = "replicate_chunk(state, level, ctr, schema)\n"
509 "Process replication for one chunk";
511 static const char py_net_finddc_doc[] = "finddc(domain, server_type)\n"
512 "find a DC with the specified server_type bits. Return the DNS name";
514 static PyMethodDef net_obj_methods[] = {
515 {"join", (PyCFunction)py_net_join, METH_VARARGS|METH_KEYWORDS, py_net_join_doc},
516 {"set_password", (PyCFunction)py_net_set_password, METH_VARARGS|METH_KEYWORDS, py_net_set_password_doc},
517 {"export_keytab", (PyCFunction)py_net_export_keytab, METH_VARARGS|METH_KEYWORDS, py_net_export_keytab_doc},
518 {"time", (PyCFunction)py_net_time, METH_VARARGS|METH_KEYWORDS, py_net_time_doc},
519 {"create_user", (PyCFunction)py_net_user_create, METH_VARARGS|METH_KEYWORDS, py_net_create_user_doc},
520 {"delete_user", (PyCFunction)py_net_user_delete, METH_VARARGS|METH_KEYWORDS, py_net_delete_user_doc},
521 {"vampire", (PyCFunction)py_net_vampire, METH_VARARGS|METH_KEYWORDS, py_net_vampire_doc},
522 {"replicate_init", (PyCFunction)py_net_replicate_init, METH_VARARGS|METH_KEYWORDS, py_net_replicate_init_doc},
523 {"replicate_chunk", (PyCFunction)py_net_replicate_chunk, METH_VARARGS|METH_KEYWORDS, py_net_replicate_chunk_doc},
524 {"finddc", (PyCFunction)py_net_finddc, METH_VARARGS, py_net_finddc_doc},
528 static void py_net_dealloc(py_net_Object *self)
530 talloc_free(self->mem_ctx);
533 static PyObject *net_obj_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
535 PyObject *py_creds, *py_lp = Py_None;
536 const char *kwnames[] = { "creds", "lp", NULL };
538 struct loadparm_context *lp;
540 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|O",
541 discard_const_p(char *, kwnames), &py_creds, &py_lp))
544 ret = PyObject_New(py_net_Object, type);
549 /* FIXME: we really need to get a context from the caller or we may end
550 * up with 2 event contexts */
551 ret->ev = s4_event_context_init(NULL);
552 ret->mem_ctx = talloc_new(ret->ev);
554 lp = lpcfg_from_py_object(ret->mem_ctx, py_lp);
560 ret->libnet_ctx = libnet_context_init(ret->ev, lp);
561 if (ret->libnet_ctx == NULL) {
562 PyErr_SetString(PyExc_RuntimeError, "Unable to initialize net");
567 ret->libnet_ctx->cred = cli_credentials_from_py_object(py_creds);
568 if (ret->libnet_ctx->cred == NULL) {
569 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
574 return (PyObject *)ret;
578 PyTypeObject py_net_Type = {
579 PyObject_HEAD_INIT(NULL) 0,
580 .tp_name = "net.Net",
581 .tp_basicsize = sizeof(py_net_Object),
582 .tp_dealloc = (destructor)py_net_dealloc,
583 .tp_methods = net_obj_methods,
584 .tp_new = net_obj_new,
591 if (PyType_Ready(&py_net_Type) < 0)
594 m = Py_InitModule3("net", NULL, NULL);
598 Py_INCREF(&py_net_Type);
599 PyModule_AddObject(m, "Net", (PyObject *)&py_net_Type);
600 PyModule_AddObject(m, "LIBNET_JOINDOMAIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOINDOMAIN_AUTOMATIC));
601 PyModule_AddObject(m, "LIBNET_JOINDOMAIN_SPECIFIED", PyInt_FromLong(LIBNET_JOINDOMAIN_SPECIFIED));
602 PyModule_AddObject(m, "LIBNET_JOIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOIN_AUTOMATIC));
603 PyModule_AddObject(m, "LIBNET_JOIN_SPECIFIED", PyInt_FromLong(LIBNET_JOIN_SPECIFIED));