1 /*
2    Unix SMB/CIFS implementation.
3    Test suite for libnet calls.
4 
5    Copyright (C) Rafal Szczesniak 2007
6 
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.
11 
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.
16 
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/>.
19 */
20 
21 /*
22  * These are more general use functions shared among the tests.
23  */
24 
25 #include "includes.h"
26 #include "lib/cmdline/popt_common.h"
27 #include "torture/rpc/torture_rpc.h"
28 #include "libnet/libnet.h"
29 #include "librpc/gen_ndr/ndr_samr_c.h"
30 #include "librpc/gen_ndr/ndr_lsa_c.h"
31 #include "torture/libnet/proto.h"
32 #include "ldb_wrap.h"
33 
34 /**
35  * Opens handle on Domain using SAMR
36  *
37  * @param _domain_handle [out] Ptr to storage to store Domain handle
38  * @param _dom_sid [out] If NULL, Domain SID won't be returned
39  */
test_domain_open(struct torture_context * tctx,struct dcerpc_binding_handle * b,struct lsa_String * domname,TALLOC_CTX * mem_ctx,struct policy_handle * _domain_handle,struct dom_sid2 * _dom_sid)40 bool test_domain_open(struct torture_context *tctx,
41 		      struct dcerpc_binding_handle *b,
42 		      struct lsa_String *domname,
43 		      TALLOC_CTX *mem_ctx,
44 		      struct policy_handle *_domain_handle,
45 		      struct dom_sid2 *_dom_sid)
46 {
47 	struct policy_handle connect_handle;
48 	struct policy_handle domain_handle;
49 	struct samr_Connect r1;
50 	struct samr_LookupDomain r2;
51 	struct dom_sid2 *sid = NULL;
52 	struct samr_OpenDomain r3;
53 
54 	torture_comment(tctx, "connecting\n");
55 
56 	r1.in.system_name = 0;
57 	r1.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
58 	r1.out.connect_handle = &connect_handle;
59 
60 	torture_assert_ntstatus_ok(tctx,
61 				   dcerpc_samr_Connect_r(b, mem_ctx, &r1),
62 				   "Connect failed");
63 	torture_assert_ntstatus_ok(tctx, r1.out.result,
64 				   "Connect failed");
65 
66 	r2.in.connect_handle = &connect_handle;
67 	r2.in.domain_name = domname;
68 	r2.out.sid = &sid;
69 
70 	torture_comment(tctx, "domain lookup on %s\n", domname->string);
71 
72 	torture_assert_ntstatus_ok(tctx,
73 				   dcerpc_samr_LookupDomain_r(b, mem_ctx, &r2),
74 				   "LookupDomain failed");
75 	torture_assert_ntstatus_ok(tctx, r2.out.result,
76 				   "LookupDomain failed");
77 
78 	r3.in.connect_handle = &connect_handle;
79 	r3.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
80 	r3.in.sid = *r2.out.sid;
81 	r3.out.domain_handle = &domain_handle;
82 
83 	torture_comment(tctx, "opening domain %s\n", domname->string);
84 
85 	torture_assert_ntstatus_ok(tctx,
86 				   dcerpc_samr_OpenDomain_r(b, mem_ctx, &r3),
87 				   "OpenDomain failed");
88 	torture_assert_ntstatus_ok(tctx, r3.out.result,
89 				   "OpenDomain failed");
90 
91 	*_domain_handle = domain_handle;
92 
93 	if (_dom_sid) {
94 		*_dom_sid = **r2.out.sid;
95 	}
96 
97 	/* Close connect_handle, we don't need it anymore */
98 	test_samr_close_handle(tctx, b, mem_ctx, &connect_handle);
99 
100 	return true;
101 }
102 
103 
104 /**
105  * Find out user's samAccountName for given
106  * user RDN. We need samAccountName value
107  * when deleting users.
108  */
_get_account_name_for_user_rdn(struct torture_context * tctx,const char * user_rdn,TALLOC_CTX * mem_ctx,const char ** _account_name)109 static bool _get_account_name_for_user_rdn(struct torture_context *tctx,
110 					   const char *user_rdn,
111 					   TALLOC_CTX *mem_ctx,
112 					   const char **_account_name)
113 {
114 	const char *url;
115 	struct ldb_context *ldb;
116 	TALLOC_CTX *tmp_ctx;
117 	bool test_res = true;
118 	const char *hostname = torture_setting_string(tctx, "host", NULL);
119 	int ldb_ret;
120 	struct ldb_result *ldb_res;
121 	const char *account_name = NULL;
122 	static const char *attrs[] = {
123 		"samAccountName",
124 		NULL
125 	};
126 
127 	torture_assert(tctx, hostname != NULL, "Failed to get hostname");
128 
129 	tmp_ctx = talloc_new(tctx);
130 	torture_assert(tctx, tmp_ctx != NULL, "Failed to create temporary mem context");
131 
132 	url = talloc_asprintf(tmp_ctx, "ldap://%s/", hostname);
133 	torture_assert_goto(tctx, url != NULL, test_res, done, "Failed to allocate URL for ldb");
134 
135 	ldb = ldb_wrap_connect(tmp_ctx,
136 	                       tctx->ev, tctx->lp_ctx,
137 	                       url, NULL, popt_get_cmdline_credentials(), 0);
138 	torture_assert_goto(tctx, ldb != NULL, test_res, done, "Failed to make LDB connection");
139 
140 	ldb_ret = ldb_search(ldb, tmp_ctx, &ldb_res,
141 	                     ldb_get_default_basedn(ldb), LDB_SCOPE_SUBTREE,
142 	                     attrs,
143 	                     "(&(objectClass=user)(name=%s))", user_rdn);
144 	if (LDB_SUCCESS == ldb_ret && 1 == ldb_res->count) {
145 		account_name = ldb_msg_find_attr_as_string(ldb_res->msgs[0], "samAccountName", NULL);
146 	}
147 
148 	/* return user_rdn by default */
149 	if (!account_name) {
150 		account_name = user_rdn;
151 	}
152 
153 	/* duplicate memory in parent context */
154 	*_account_name = talloc_strdup(mem_ctx, account_name);
155 
156 done:
157 	talloc_free(tmp_ctx);
158 	return test_res;
159 }
160 
161 /**
162  * Removes user by RDN through SAMR interface.
163  *
164  * @param domain_handle [in] Domain handle
165  * @param user_rdn [in] User's RDN in ldap database
166  */
test_user_cleanup(struct torture_context * tctx,struct dcerpc_binding_handle * b,TALLOC_CTX * mem_ctx,struct policy_handle * domain_handle,const char * user_rdn)167 bool test_user_cleanup(struct torture_context *tctx,
168 		       struct dcerpc_binding_handle *b,
169 		       TALLOC_CTX *mem_ctx,
170 		       struct policy_handle *domain_handle,
171 		       const char *user_rdn)
172 {
173 	struct samr_LookupNames r1;
174 	struct samr_OpenUser r2;
175 	struct samr_DeleteUser r3;
176 	struct lsa_String names[2];
177 	uint32_t rid;
178 	struct policy_handle user_handle;
179 	struct samr_Ids rids, types;
180 	const char *account_name;
181 
182 	if (!_get_account_name_for_user_rdn(tctx, user_rdn, mem_ctx, &account_name)) {
183 		torture_result(tctx, TORTURE_FAIL,
184 		               __location__": Failed to find samAccountName for %s", user_rdn);
185 		return false;
186 	}
187 
188 	names[0].string = account_name;
189 
190 	r1.in.domain_handle  = domain_handle;
191 	r1.in.num_names      = 1;
192 	r1.in.names          = names;
193 	r1.out.rids          = &rids;
194 	r1.out.types         = &types;
195 
196 	torture_comment(tctx, "user account lookup '%s'\n", account_name);
197 
198 	torture_assert_ntstatus_ok(tctx,
199 				   dcerpc_samr_LookupNames_r(b, mem_ctx, &r1),
200 				   "LookupNames failed");
201 	torture_assert_ntstatus_ok(tctx, r1.out.result,
202 				   "LookupNames failed");
203 
204 	rid = r1.out.rids->ids[0];
205 
206 	r2.in.domain_handle  = domain_handle;
207 	r2.in.access_mask    = SEC_FLAG_MAXIMUM_ALLOWED;
208 	r2.in.rid            = rid;
209 	r2.out.user_handle   = &user_handle;
210 
211 	torture_comment(tctx, "opening user account\n");
212 
213 	torture_assert_ntstatus_ok(tctx,
214 				   dcerpc_samr_OpenUser_r(b, mem_ctx, &r2),
215 				   "OpenUser failed");
216 	torture_assert_ntstatus_ok(tctx, r2.out.result,
217 				   "OpenUser failed");
218 
219 	r3.in.user_handle  = &user_handle;
220 	r3.out.user_handle = &user_handle;
221 
222 	torture_comment(tctx, "deleting user account\n");
223 
224 	torture_assert_ntstatus_ok(tctx,
225 				   dcerpc_samr_DeleteUser_r(b, mem_ctx, &r3),
226 				   "DeleteUser failed");
227 	torture_assert_ntstatus_ok(tctx, r3.out.result,
228 				   "DeleteUser failed");
229 
230 	return true;
231 }
232 
233 
234 /**
235  * Creates new user using SAMR
236  *
237  * @param name [in] Username for user to create
238  * @param rid [out] If NULL, User's RID is not returned
239  */
test_user_create(struct torture_context * tctx,struct dcerpc_binding_handle * b,TALLOC_CTX * mem_ctx,struct policy_handle * domain_handle,const char * name,uint32_t * rid)240 bool test_user_create(struct torture_context *tctx,
241 		      struct dcerpc_binding_handle *b,
242 		      TALLOC_CTX *mem_ctx,
243 		      struct policy_handle *domain_handle,
244 		      const char *name,
245 		      uint32_t *rid)
246 {
247 	struct policy_handle user_handle;
248 	struct lsa_String username;
249 	struct samr_CreateUser r;
250 	uint32_t user_rid;
251 
252 	username.string = name;
253 
254 	r.in.domain_handle = domain_handle;
255 	r.in.account_name  = &username;
256 	r.in.access_mask   = SEC_FLAG_MAXIMUM_ALLOWED;
257 	r.out.user_handle  = &user_handle;
258 	/* return user's RID only if requested */
259 	r.out.rid 	   = rid ? rid : &user_rid;
260 
261 	torture_comment(tctx, "creating user '%s'\n", username.string);
262 
263 	torture_assert_ntstatus_ok(tctx,
264 				   dcerpc_samr_CreateUser_r(b, mem_ctx, &r),
265 				   "CreateUser RPC call failed");
266 	if (!NT_STATUS_IS_OK(r.out.result)) {
267 		torture_comment(tctx, "CreateUser failed - %s\n", nt_errstr(r.out.result));
268 
269 		if (NT_STATUS_EQUAL(r.out.result, NT_STATUS_USER_EXISTS)) {
270 			torture_comment(tctx,
271 			                "User (%s) already exists - "
272 			                "attempting to delete and recreate account again\n",
273 			                username.string);
274 			if (!test_user_cleanup(tctx, b, mem_ctx, domain_handle, username.string)) {
275 				return false;
276 			}
277 
278 			torture_comment(tctx, "creating user account\n");
279 
280 			torture_assert_ntstatus_ok(tctx,
281 						   dcerpc_samr_CreateUser_r(b, mem_ctx, &r),
282 						   "CreateUser RPC call failed");
283 			torture_assert_ntstatus_ok(tctx, r.out.result,
284 						   "CreateUser failed");
285 
286 			/* be nice and close opened handles */
287 			test_samr_close_handle(tctx, b, mem_ctx, &user_handle);
288 
289 			return true;
290 		}
291 		return false;
292 	}
293 
294 	/* be nice and close opened handles */
295 	test_samr_close_handle(tctx, b, mem_ctx, &user_handle);
296 
297 	return true;
298 }
299 
300 
301 /**
302  * Deletes a Group using SAMR interface
303  */
test_group_cleanup(struct torture_context * tctx,struct dcerpc_binding_handle * b,TALLOC_CTX * mem_ctx,struct policy_handle * domain_handle,const char * name)304 bool test_group_cleanup(struct torture_context *tctx,
305 			struct dcerpc_binding_handle *b,
306 			TALLOC_CTX *mem_ctx,
307 			struct policy_handle *domain_handle,
308 			const char *name)
309 {
310 	struct samr_LookupNames r1;
311 	struct samr_OpenGroup r2;
312 	struct samr_DeleteDomainGroup r3;
313 	struct lsa_String names[2];
314 	uint32_t rid;
315 	struct policy_handle group_handle;
316 	struct samr_Ids rids, types;
317 
318 	names[0].string = name;
319 
320 	r1.in.domain_handle  = domain_handle;
321 	r1.in.num_names      = 1;
322 	r1.in.names          = names;
323 	r1.out.rids          = &rids;
324 	r1.out.types         = &types;
325 
326 	torture_comment(tctx, "group account lookup '%s'\n", name);
327 
328 	torture_assert_ntstatus_ok(tctx,
329 				   dcerpc_samr_LookupNames_r(b, mem_ctx, &r1),
330 				   "LookupNames failed");
331 	torture_assert_ntstatus_ok(tctx, r1.out.result,
332 				   "LookupNames failed");
333 
334 	rid = r1.out.rids->ids[0];
335 
336 	r2.in.domain_handle  = domain_handle;
337 	r2.in.access_mask    = SEC_FLAG_MAXIMUM_ALLOWED;
338 	r2.in.rid            = rid;
339 	r2.out.group_handle  = &group_handle;
340 
341 	torture_comment(tctx, "opening group account\n");
342 
343 	torture_assert_ntstatus_ok(tctx,
344 				   dcerpc_samr_OpenGroup_r(b, mem_ctx, &r2),
345 				   "OpenGroup failed");
346 	torture_assert_ntstatus_ok(tctx, r2.out.result,
347 				   "OpenGroup failed");
348 
349 	r3.in.group_handle  = &group_handle;
350 	r3.out.group_handle = &group_handle;
351 
352 	torture_comment(tctx, "deleting group account\n");
353 
354 	torture_assert_ntstatus_ok(tctx,
355 				   dcerpc_samr_DeleteDomainGroup_r(b, mem_ctx, &r3),
356 				   "DeleteGroup failed");
357 	torture_assert_ntstatus_ok(tctx, r3.out.result,
358 				   "DeleteGroup failed");
359 
360 	return true;
361 }
362 
363 
364 /**
365  * Creates a Group object using SAMR interface
366  *
367  * @param group_name [in] Name of the group to create
368  * @param rid [out] RID of group created. May be NULL in
369  *                  which case RID is not required by caller
370  */
test_group_create(struct torture_context * tctx,struct dcerpc_binding_handle * b,TALLOC_CTX * mem_ctx,struct policy_handle * handle,const char * group_name,uint32_t * rid)371 bool test_group_create(struct torture_context *tctx,
372 		       struct dcerpc_binding_handle *b,
373 		       TALLOC_CTX *mem_ctx,
374 		       struct policy_handle *handle,
375 		       const char *group_name,
376 		       uint32_t *rid)
377 {
378 	uint32_t group_rid;
379 	struct lsa_String groupname;
380 	struct samr_CreateDomainGroup r;
381 	struct policy_handle group_handle;
382 
383 	groupname.string = group_name;
384 
385 	r.in.domain_handle  = handle;
386 	r.in.name           = &groupname;
387 	r.in.access_mask    = SEC_FLAG_MAXIMUM_ALLOWED;
388 	r.out.group_handle  = &group_handle;
389 	/* use local variable in case caller
390 	 * don't care about the group RID */
391 	r.out.rid           = rid ? rid : &group_rid;
392 
393 	torture_comment(tctx, "creating group account %s\n", group_name);
394 
395 	torture_assert_ntstatus_ok(tctx,
396 				   dcerpc_samr_CreateDomainGroup_r(b, mem_ctx, &r),
397 				   "CreateGroup failed");
398 	if (!NT_STATUS_IS_OK(r.out.result)) {
399 		torture_comment(tctx, "CreateGroup failed - %s\n", nt_errstr(r.out.result));
400 
401 		if (NT_STATUS_EQUAL(r.out.result, NT_STATUS_GROUP_EXISTS)) {
402 			torture_comment(tctx,
403 			                "Group (%s) already exists - "
404 			                "attempting to delete and recreate group again\n",
405 			                group_name);
406 			if (!test_group_cleanup(tctx, b, mem_ctx, handle, group_name)) {
407 				return false;
408 			}
409 
410 			torture_comment(tctx, "creating group account\n");
411 
412 			torture_assert_ntstatus_ok(tctx,
413 						   dcerpc_samr_CreateDomainGroup_r(b, mem_ctx, &r),
414 						   "CreateGroup failed");
415 			torture_assert_ntstatus_ok(tctx, r.out.result,
416 						   "CreateGroup failed");
417 
418 			/* be nice and close opened handles */
419 			test_samr_close_handle(tctx, b, mem_ctx, &group_handle);
420 
421 			return true;
422 		}
423 		return false;
424 	}
425 
426 	/* be nice and close opened handles */
427 	test_samr_close_handle(tctx, b, mem_ctx, &group_handle);
428 
429 	return true;
430 }
431 
432 /**
433  * Closes SAMR handle obtained from Connect, Open User/Domain, etc
434  */
test_samr_close_handle(struct torture_context * tctx,struct dcerpc_binding_handle * b,TALLOC_CTX * mem_ctx,struct policy_handle * samr_handle)435 bool test_samr_close_handle(struct torture_context *tctx,
436 			    struct dcerpc_binding_handle *b,
437 			    TALLOC_CTX *mem_ctx,
438 			    struct policy_handle *samr_handle)
439 {
440 	struct samr_Close r;
441 
442 	r.in.handle = samr_handle;
443 	r.out.handle = samr_handle;
444 
445 	torture_assert_ntstatus_ok(tctx,
446 				   dcerpc_samr_Close_r(b, mem_ctx, &r),
447 				   "Close SAMR handle RPC call failed");
448 	torture_assert_ntstatus_ok(tctx, r.out.result,
449 				   "Close SAMR handle failed");
450 
451 	return true;
452 }
453 
454 /**
455  * Closes LSA handle obtained from Connect, Open Group, etc
456  */
test_lsa_close_handle(struct torture_context * tctx,struct dcerpc_binding_handle * b,TALLOC_CTX * mem_ctx,struct policy_handle * lsa_handle)457 bool test_lsa_close_handle(struct torture_context *tctx,
458 			   struct dcerpc_binding_handle *b,
459 			   TALLOC_CTX *mem_ctx,
460 			   struct policy_handle *lsa_handle)
461 {
462 	struct lsa_Close r;
463 
464 	r.in.handle = lsa_handle;
465 	r.out.handle = lsa_handle;
466 
467 	torture_assert_ntstatus_ok(tctx,
468 				   dcerpc_lsa_Close_r(b, mem_ctx, &r),
469 				   "Close LSA handle RPC call failed");
470 	torture_assert_ntstatus_ok(tctx, r.out.result,
471 				   "Close LSA handle failed");
472 
473 	return true;
474 }
475 
476 /**
477  * Create and initialize libnet_context Context.
478  * Use this function in cases where we need to have SAMR and LSA pipes
479  * of libnet_context to be connected before executing any other
480  * libnet call
481  *
482  * @param rpc_connect [in] Connects SAMR and LSA pipes
483  */
test_libnet_context_init(struct torture_context * tctx,bool rpc_connect,struct libnet_context ** _net_ctx)484 bool test_libnet_context_init(struct torture_context *tctx,
485 			      bool rpc_connect,
486 			      struct libnet_context **_net_ctx)
487 {
488 	NTSTATUS status;
489 	bool bret = true;
490 	struct libnet_context *net_ctx;
491 
492 	net_ctx = libnet_context_init(tctx->ev, tctx->lp_ctx);
493 	torture_assert(tctx, net_ctx != NULL, "Failed to create libnet_context");
494 
495 	/* Use command line credentials for testing */
496 	net_ctx->cred = popt_get_cmdline_credentials();
497 
498 	if (rpc_connect) {
499 		/* connect SAMR pipe */
500 		status = torture_rpc_connection(tctx,
501 						&net_ctx->samr.pipe,
502 						&ndr_table_samr);
503 		torture_assert_ntstatus_ok_goto(tctx, status, bret, done,
504 						"Failed to connect SAMR pipe");
505 
506 		net_ctx->samr.samr_handle = net_ctx->samr.pipe->binding_handle;
507 
508 		/* connect LSARPC pipe */
509 		status = torture_rpc_connection(tctx,
510 						&net_ctx->lsa.pipe,
511 						&ndr_table_lsarpc);
512 		torture_assert_ntstatus_ok_goto(tctx, status, bret, done,
513 						"Failed to connect LSA pipe");
514 
515 		net_ctx->lsa.lsa_handle = net_ctx->lsa.pipe->binding_handle;
516 	}
517 
518 	*_net_ctx = net_ctx;
519 
520 done:
521 	if (!bret) {
522 		/* a previous call has failed,
523 		 * clean up memory before exit */
524 		talloc_free(net_ctx);
525 	}
526 	return bret;
527 }
528 
529 
msg_handler(struct monitor_msg * m)530 void msg_handler(struct monitor_msg *m)
531 {
532 	struct msg_rpc_open_user *msg_open;
533 	struct msg_rpc_query_user *msg_query;
534 	struct msg_rpc_close_user *msg_close;
535 	struct msg_rpc_create_user *msg_create;
536 
537 	switch (m->type) {
538 	case mon_SamrOpenUser:
539 		msg_open = (struct msg_rpc_open_user*)m->data;
540 		printf("monitor_msg: user opened (rid=%d, access_mask=0x%08x)\n",
541 		       msg_open->rid, msg_open->access_mask);
542 		break;
543 	case mon_SamrQueryUser:
544 		msg_query = (struct msg_rpc_query_user*)m->data;
545 		printf("monitor_msg: user queried (level=%d)\n", msg_query->level);
546 		break;
547 	case mon_SamrCloseUser:
548 		msg_close = (struct msg_rpc_close_user*)m->data;
549 		printf("monitor_msg: user closed (rid=%d)\n", msg_close->rid);
550 		break;
551 	case mon_SamrCreateUser:
552 		msg_create = (struct msg_rpc_create_user*)m->data;
553 		printf("monitor_msg: user created (rid=%d)\n", msg_create->rid);
554 		break;
555 	}
556 }
557