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"
40 struct libnet_context *libnet_ctx;
41 struct tevent_context *ev;
44 static PyObject *py_net_join_member(py_net_Object *self, PyObject *args, PyObject *kwargs)
46 struct libnet_Join_member r;
50 const char *kwnames[] = { "domain_name", "netbios_name", "level", NULL };
52 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ssi:Join", discard_const_p(char *, kwnames),
53 &r.in.domain_name, &r.in.netbios_name,
57 mem_ctx = talloc_new(self->mem_ctx);
58 if (mem_ctx == NULL) {
63 status = libnet_Join_member(self->libnet_ctx, mem_ctx, &r);
64 if (NT_STATUS_IS_ERR(status)) {
65 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
70 result = Py_BuildValue("sss", r.out.join_password,
71 dom_sid_string(mem_ctx, r.out.domain_sid),
79 static const char py_net_join_member_doc[] = "join_member(domain_name, netbios_name, level) -> (join_password, domain_sid, domain_name)\n\n" \
80 "Join the domain with the specified name.";
82 static PyObject *py_net_set_password(py_net_Object *self, PyObject *args, PyObject *kwargs)
84 union libnet_SetPassword r;
88 struct tevent_context *ev;
89 const char *kwnames[] = { "account_name", "domain_name", "newpassword", "credentials", NULL };
91 r.generic.level = LIBNET_SET_PASSWORD_GENERIC;
93 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sssO:set_password", discard_const_p(char *, kwnames),
94 &r.generic.in.account_name, &r.generic.in.domain_name,
95 &r.generic.in.newpassword, &py_creds)) {
99 /* FIXME: we really need to get a context from the caller or we may end
100 * up with 2 event contexts */
101 ev = s4_event_context_init(NULL);
103 mem_ctx = talloc_new(ev);
104 if (mem_ctx == NULL) {
109 status = libnet_SetPassword(self->libnet_ctx, mem_ctx, &r);
110 if (NT_STATUS_IS_ERR(status)) {
111 PyErr_SetString(PyExc_RuntimeError,
112 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
113 talloc_free(mem_ctx);
117 talloc_free(mem_ctx);
122 static const char py_net_set_password_doc[] = "set_password(account_name, domain_name, newpassword) -> True\n\n" \
123 "Set password for a user. You must supply credential with enough rights to do this.\n\n" \
124 "Sample usage is:\n" \
125 "net.set_password(account_name=<account_name>,\n" \
126 " domain_name=domain_name,\n" \
127 " newpassword=new_pass)\n";
130 static PyObject *py_net_export_keytab(py_net_Object *self, PyObject *args, PyObject *kwargs)
132 struct libnet_export_keytab r;
134 const char *kwnames[] = { "keytab", NULL };
137 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:export_keytab", discard_const_p(char *, kwnames),
138 &r.in.keytab_name)) {
142 mem_ctx = talloc_new(self->mem_ctx);
143 if (mem_ctx == NULL) {
148 status = libnet_export_keytab(self->libnet_ctx, mem_ctx, &r);
149 if (NT_STATUS_IS_ERR(status)) {
150 PyErr_SetString(PyExc_RuntimeError,
151 r.out.error_string?r.out.error_string:nt_errstr(status));
152 talloc_free(mem_ctx);
156 talloc_free(mem_ctx);
161 static const char py_net_export_keytab_doc[] = "export_keytab(keytab, name)\n\n"
162 "Export the DC keytab to a keytab file.";
164 static PyObject *py_net_time(py_net_Object *self, PyObject *args, PyObject *kwargs)
166 const char *kwnames[] = { "server_name", NULL };
167 union libnet_RemoteTOD r;
174 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s",
175 discard_const_p(char *, kwnames), &r.generic.in.server_name))
178 r.generic.level = LIBNET_REMOTE_TOD_GENERIC;
180 mem_ctx = talloc_new(NULL);
181 if (mem_ctx == NULL) {
186 status = libnet_RemoteTOD(self->libnet_ctx, mem_ctx, &r);
187 if (!NT_STATUS_IS_OK(status)) {
188 PyErr_SetString(PyExc_RuntimeError,
189 r.generic.out.error_string?r.generic.out.error_string:nt_errstr(status));
190 talloc_free(mem_ctx);
194 ZERO_STRUCT(timestr);
195 tm = localtime(&r.generic.out.time);
196 strftime(timestr, sizeof(timestr)-1, "%c %Z",tm);
198 ret = PyString_FromString(timestr);
200 talloc_free(mem_ctx);
205 static const char py_net_time_doc[] = "time(server_name) -> timestr\n"
206 "Retrieve the remote time on a server";
208 static PyObject *py_net_user_create(py_net_Object *self, PyObject *args, PyObject *kwargs)
210 const char *kwnames[] = { "username", NULL };
213 struct libnet_CreateUser r;
215 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
219 r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
221 mem_ctx = talloc_new(NULL);
222 if (mem_ctx == NULL) {
227 status = libnet_CreateUser(self->libnet_ctx, mem_ctx, &r);
228 if (!NT_STATUS_IS_OK(status)) {
229 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
230 talloc_free(mem_ctx);
234 talloc_free(mem_ctx);
239 static const char py_net_create_user_doc[] = "create_user(username)\n"
240 "Create a new user.";
242 static PyObject *py_net_user_delete(py_net_Object *self, PyObject *args, PyObject *kwargs)
244 const char *kwnames[] = { "username", NULL };
247 struct libnet_DeleteUser r;
249 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s", discard_const_p(char *, kwnames),
253 r.in.domain_name = cli_credentials_get_domain(self->libnet_ctx->cred);
255 mem_ctx = talloc_new(NULL);
256 if (mem_ctx == NULL) {
261 status = libnet_DeleteUser(self->libnet_ctx, mem_ctx, &r);
262 if (!NT_STATUS_IS_OK(status)) {
263 PyErr_SetString(PyExc_RuntimeError, r.out.error_string?r.out.error_string:nt_errstr(status));
264 talloc_free(mem_ctx);
268 talloc_free(mem_ctx);
273 static const char py_net_delete_user_doc[] = "delete_user(username)\n"
276 static PyObject *py_dom_sid_FromSid(struct dom_sid *sid)
278 PyObject *mod_security, *dom_sid_Type;
280 mod_security = PyImport_ImportModule("samba.dcerpc.security");
281 if (mod_security == NULL)
284 dom_sid_Type = PyObject_GetAttrString(mod_security, "dom_sid");
285 if (dom_sid_Type == NULL)
288 return py_talloc_reference((PyTypeObject *)dom_sid_Type, sid);
291 static PyObject *py_net_vampire(py_net_Object *self, PyObject *args, PyObject *kwargs)
293 const char *kwnames[] = { "domain", "target_dir", NULL };
297 struct libnet_Vampire r;
299 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|z", discard_const_p(char *, kwnames),
300 &r.in.domain_name, &r.in.targetdir)) {
304 r.in.netbios_name = lpcfg_netbios_name(self->libnet_ctx->lp_ctx);
305 r.out.error_string = NULL;
307 mem_ctx = talloc_new(NULL);
308 if (mem_ctx == NULL) {
313 status = libnet_Vampire(self->libnet_ctx, mem_ctx, &r);
315 if (!NT_STATUS_IS_OK(status)) {
316 PyErr_SetString(PyExc_RuntimeError,
317 r.out.error_string ? r.out.error_string : nt_errstr(status));
318 talloc_free(mem_ctx);
322 ret = Py_BuildValue("(sO)", r.out.domain_name, py_dom_sid_FromSid(r.out.domain_sid));
324 talloc_free(mem_ctx);
329 struct replicate_state {
331 dcerpc_InterfaceObject *drs_pipe;
332 struct libnet_BecomeDC_StoreChunk chunk;
333 DATA_BLOB gensec_skey;
334 struct libnet_BecomeDC_Partition partition;
335 struct libnet_BecomeDC_Forest forest;
336 struct libnet_BecomeDC_DestDSA dest_dsa;
340 setup for replicate_chunk() calls
342 static PyObject *py_net_replicate_init(py_net_Object *self, PyObject *args, PyObject *kwargs)
344 const char *kwnames[] = { "samdb", "lp", "drspipe", NULL };
345 PyObject *py_ldb, *py_lp, *py_drspipe;
346 struct ldb_context *samdb;
347 struct loadparm_context *lp;
348 struct replicate_state *s;
351 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OOO",
352 discard_const_p(char *, kwnames),
353 &py_ldb, &py_lp, &py_drspipe)) {
357 s = talloc_zero(NULL, struct replicate_state);
360 lp = lpcfg_from_py_object(s, py_lp);
362 PyErr_SetString(PyExc_TypeError, "Expected lp object");
367 samdb = PyLdb_AsLdbContext(py_ldb);
369 PyErr_SetString(PyExc_TypeError, "Expected ldb object");
374 s->drs_pipe = (dcerpc_InterfaceObject *)(py_drspipe);
376 s->vampire_state = libnet_vampire_replicate_init(s, samdb, lp);
377 if (s->vampire_state == NULL) {
378 PyErr_SetString(PyExc_TypeError, "Failed to initialise vampire_state");
383 status = gensec_session_key(s->drs_pipe->pipe->conn->security_state.generic_state,
385 if (!NT_STATUS_IS_OK(status)) {
386 PyErr_Format(PyExc_RuntimeError, "Unable to get session key from drspipe: %s",
392 s->forest.dns_name = lpcfg_dnsdomain(lp);
394 s->chunk.gensec_skey = &s->gensec_skey;
395 s->chunk.partition = &s->partition;
396 s->chunk.forest = &s->forest;
397 s->chunk.dest_dsa = &s->dest_dsa;
399 return PyCObject_FromTallocPtr(s);
404 process one replication chunk
406 static PyObject *py_net_replicate_chunk(py_net_Object *self, PyObject *args, PyObject *kwargs)
408 const char *kwnames[] = { "state", "level", "ctr", "schema", NULL };
409 PyObject *py_state, *py_ctr, *py_schema;
410 struct replicate_state *s;
412 NTSTATUS (*chunk_handler)(void *private_data, const struct libnet_BecomeDC_StoreChunk *c);
415 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OIO|O",
416 discard_const_p(char *, kwnames),
417 &py_state, &level, &py_ctr, &py_schema)) {
421 s = talloc_get_type(PyCObject_AsVoidPtr(py_state), struct replicate_state);
423 PyErr_SetString(PyExc_TypeError, "Expected replication_state");
429 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr1")) {
432 s->chunk.ctr1 = py_talloc_get_ptr(py_ctr);
433 s->partition.nc = *s->chunk.ctr1->naming_context;
434 s->partition.more_data = s->chunk.ctr1->more_data;
435 s->partition.source_dsa_guid = s->chunk.ctr1->source_dsa_guid;
436 s->partition.source_dsa_invocation_id = s->chunk.ctr1->source_dsa_invocation_id;
437 s->partition.highwatermark = s->chunk.ctr1->new_highwatermark;
440 if (!py_check_dcerpc_type(py_ctr, "samba.dcerpc.drsuapi", "DsGetNCChangesCtr6")) {
443 s->chunk.ctr6 = py_talloc_get_ptr(py_ctr);
444 s->partition.nc = *s->chunk.ctr6->naming_context;
445 s->partition.more_data = s->chunk.ctr6->more_data;
446 s->partition.source_dsa_guid = s->chunk.ctr6->source_dsa_guid;
447 s->partition.source_dsa_invocation_id = s->chunk.ctr6->source_dsa_invocation_id;
448 s->partition.highwatermark = s->chunk.ctr6->new_highwatermark;
451 PyErr_Format(PyExc_TypeError, "Bad level %u in replicate_chunk", level);
455 chunk_handler = libnet_vampire_cb_store_chunk;
457 if (!PyBool_Check(py_schema)) {
458 PyErr_SetString(PyExc_TypeError, "Expected boolean schema");
461 if (py_schema == Py_True) {
462 chunk_handler = libnet_vampire_cb_schema_chunk;
466 s->chunk.ctr_level = level;
468 status = chunk_handler(s->vampire_state, &s->chunk);
469 if (!NT_STATUS_IS_OK(status)) {
470 PyErr_Format(PyExc_TypeError, "Failed to process chunk: %s", nt_errstr(status));
479 find a DC given a domain name and server type
481 static PyObject *py_net_finddc(py_net_Object *self, PyObject *args)
483 const char *domain_name;
484 unsigned server_type;
490 if (!PyArg_ParseTuple(args, "sI", &domain_name, &server_type)) {
494 mem_ctx = talloc_new(self->mem_ctx);
496 io = talloc_zero(mem_ctx, struct finddcs);
497 io->in.domain_name = domain_name;
498 io->in.minimum_dc_flags = server_type;
500 status = finddcs_cldap(io, io,
501 lpcfg_resolve_context(self->libnet_ctx->lp_ctx), self->ev);
502 if (NT_STATUS_IS_ERR(status)) {
503 PyErr_SetString(PyExc_RuntimeError, nt_errstr(status));
504 talloc_free(mem_ctx);
508 ret = py_return_ndr_struct("samba.dcerpc.nbt", "NETLOGON_SAM_LOGON_RESPONSE_EX",
509 io, &io->out.netlogon.data.nt5_ex);
510 talloc_free(mem_ctx);
516 static const char py_net_vampire_doc[] = "vampire(domain, target_dir=None)\n"
519 static const char py_net_replicate_init_doc[] = "replicate_init(samdb, lp, drspipe)\n"
520 "Setup for replicate_chunk calls.";
522 static const char py_net_replicate_chunk_doc[] = "replicate_chunk(state, level, ctr, schema)\n"
523 "Process replication for one chunk";
525 static const char py_net_finddc_doc[] = "finddc(domain, server_type)\n"
526 "find a DC with the specified server_type bits. Return the DNS name";
528 static PyMethodDef net_obj_methods[] = {
529 {"join_member", (PyCFunction)py_net_join_member, METH_VARARGS|METH_KEYWORDS, py_net_join_member_doc},
530 {"set_password", (PyCFunction)py_net_set_password, METH_VARARGS|METH_KEYWORDS, py_net_set_password_doc},
531 {"export_keytab", (PyCFunction)py_net_export_keytab, METH_VARARGS|METH_KEYWORDS, py_net_export_keytab_doc},
532 {"time", (PyCFunction)py_net_time, METH_VARARGS|METH_KEYWORDS, py_net_time_doc},
533 {"create_user", (PyCFunction)py_net_user_create, METH_VARARGS|METH_KEYWORDS, py_net_create_user_doc},
534 {"delete_user", (PyCFunction)py_net_user_delete, METH_VARARGS|METH_KEYWORDS, py_net_delete_user_doc},
535 {"vampire", (PyCFunction)py_net_vampire, METH_VARARGS|METH_KEYWORDS, py_net_vampire_doc},
536 {"replicate_init", (PyCFunction)py_net_replicate_init, METH_VARARGS|METH_KEYWORDS, py_net_replicate_init_doc},
537 {"replicate_chunk", (PyCFunction)py_net_replicate_chunk, METH_VARARGS|METH_KEYWORDS, py_net_replicate_chunk_doc},
538 {"finddc", (PyCFunction)py_net_finddc, METH_VARARGS, py_net_finddc_doc},
542 static void py_net_dealloc(py_net_Object *self)
544 talloc_free(self->mem_ctx);
548 static PyObject *net_obj_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
550 PyObject *py_creds, *py_lp = Py_None;
551 const char *kwnames[] = { "creds", "lp", "server", NULL };
553 struct loadparm_context *lp;
554 const char *server_address = NULL;
556 if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|Oz",
557 discard_const_p(char *, kwnames), &py_creds, &py_lp,
561 ret = PyObject_New(py_net_Object, type);
566 /* FIXME: we really need to get a context from the caller or we may end
567 * up with 2 event contexts */
568 ret->ev = s4_event_context_init(NULL);
569 ret->mem_ctx = talloc_new(ret->ev);
571 lp = lpcfg_from_py_object(ret->mem_ctx, py_lp);
577 ret->libnet_ctx = libnet_context_init(ret->ev, lp);
578 if (ret->libnet_ctx == NULL) {
579 PyErr_SetString(PyExc_RuntimeError, "Unable to initialize net");
584 ret->libnet_ctx->server_address = server_address;
586 ret->libnet_ctx->cred = cli_credentials_from_py_object(py_creds);
587 if (ret->libnet_ctx->cred == NULL) {
588 PyErr_SetString(PyExc_TypeError, "Expected credentials object");
593 return (PyObject *)ret;
597 PyTypeObject py_net_Type = {
598 PyObject_HEAD_INIT(NULL) 0,
599 .tp_name = "net.Net",
600 .tp_basicsize = sizeof(py_net_Object),
601 .tp_dealloc = (destructor)py_net_dealloc,
602 .tp_methods = net_obj_methods,
603 .tp_new = net_obj_new,
610 if (PyType_Ready(&py_net_Type) < 0)
613 m = Py_InitModule3("net", NULL, NULL);
617 Py_INCREF(&py_net_Type);
618 PyModule_AddObject(m, "Net", (PyObject *)&py_net_Type);
619 PyModule_AddObject(m, "LIBNET_JOINDOMAIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOINDOMAIN_AUTOMATIC));
620 PyModule_AddObject(m, "LIBNET_JOINDOMAIN_SPECIFIED", PyInt_FromLong(LIBNET_JOINDOMAIN_SPECIFIED));
621 PyModule_AddObject(m, "LIBNET_JOIN_AUTOMATIC", PyInt_FromLong(LIBNET_JOIN_AUTOMATIC));
622 PyModule_AddObject(m, "LIBNET_JOIN_SPECIFIED", PyInt_FromLong(LIBNET_JOIN_SPECIFIED));