1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
25  */
26 
27 /*
28  * Local Security Authority RPC (LSAR) server-side interface.
29  */
30 
31 #include <unistd.h>
32 #include <strings.h>
33 #include <pwd.h>
34 #include <grp.h>
35 
36 #include <libmlrpc/libmlrpc.h>
37 #include <smbsrv/libsmb.h>
38 #include <smbsrv/libmlsvc.h>
39 #include <smbsrv/ndl/lsarpc.ndl>
40 #include <lsalib.h>
41 #include <smbsrv/smbinfo.h>
42 #include <smbsrv/nmpipes.h>
43 #include <smbsrv/ntlocale.h>
44 
45 struct local_group_table {
46 	WORD sid_name_use;
47 	WORD domain_ix;
48 	char *sid;
49 	char *name;
50 };
51 
52 static int lsarpc_key_domain;
53 static int lsarpc_key_account;
54 
55 static int lsarpc_call_stub(ndr_xa_t *mxa);
56 
57 static int lsarpc_s_CloseHandle(void *, ndr_xa_t *);
58 static int lsarpc_s_QuerySecurityObject(void *, ndr_xa_t *);
59 static int lsarpc_s_EnumAccounts(void *, ndr_xa_t *);
60 static int lsarpc_s_EnumTrustedDomain(void *, ndr_xa_t *);
61 static int lsarpc_s_EnumTrustedDomainsEx(void *, ndr_xa_t *);
62 static int lsarpc_s_OpenAccount(void *, ndr_xa_t *);
63 static int lsarpc_s_EnumPrivsAccount(void *, ndr_xa_t *);
64 static int lsarpc_s_LookupPrivValue(void *, ndr_xa_t *);
65 static int lsarpc_s_LookupPrivName(void *, ndr_xa_t *);
66 static int lsarpc_s_LookupPrivDisplayName(void *, ndr_xa_t *);
67 static int lsarpc_s_CreateSecret(void *, ndr_xa_t *);
68 static int lsarpc_s_OpenSecret(void *, ndr_xa_t *);
69 static int lsarpc_s_QueryInfoPolicy(void *, ndr_xa_t *);
70 static int lsarpc_s_OpenDomainHandle(void *, ndr_xa_t *);
71 static int lsarpc_s_OpenDomainHandle(void *, ndr_xa_t *);
72 static int lsarpc_s_LookupSids(void *, ndr_xa_t *);
73 static int lsarpc_s_LookupNames(void *, ndr_xa_t *);
74 static int lsarpc_s_GetConnectedUser(void *, ndr_xa_t *);
75 static int lsarpc_s_LookupSids2(void *, ndr_xa_t *);
76 static int lsarpc_s_LookupSids3(void *, ndr_xa_t *);
77 static int lsarpc_s_LookupNames2(void *, ndr_xa_t *);
78 static int lsarpc_s_LookupNames3(void *, ndr_xa_t *);
79 static int lsarpc_s_LookupNames4(void *, ndr_xa_t *);
80 
81 static DWORD lsarpc_s_PrimaryDomainInfo(struct mslsa_PrimaryDomainInfo *,
82     ndr_xa_t *);
83 static DWORD lsarpc_s_AccountDomainInfo(struct mslsa_AccountDomainInfo *,
84     ndr_xa_t *);
85 static int lsarpc_s_UpdateDomainTable(ndr_xa_t *,
86     smb_account_t *, struct mslsa_domain_table *, DWORD *);
87 
88 static ndr_stub_table_t lsarpc_stub_table[] = {
89 	{ lsarpc_s_CloseHandle,		  LSARPC_OPNUM_CloseHandle },
90 	{ lsarpc_s_QuerySecurityObject,	  LSARPC_OPNUM_QuerySecurityObject },
91 	{ lsarpc_s_EnumAccounts,	  LSARPC_OPNUM_EnumerateAccounts },
92 	{ lsarpc_s_EnumTrustedDomain,	  LSARPC_OPNUM_EnumTrustedDomain },
93 	{ lsarpc_s_EnumTrustedDomainsEx,  LSARPC_OPNUM_EnumTrustedDomainsEx },
94 	{ lsarpc_s_OpenAccount,		  LSARPC_OPNUM_OpenAccount },
95 	{ lsarpc_s_EnumPrivsAccount,	  LSARPC_OPNUM_EnumPrivsAccount },
96 	{ lsarpc_s_LookupPrivValue,	  LSARPC_OPNUM_LookupPrivValue },
97 	{ lsarpc_s_LookupPrivName,	  LSARPC_OPNUM_LookupPrivName },
98 	{ lsarpc_s_LookupPrivDisplayName, LSARPC_OPNUM_LookupPrivDisplayName },
99 	{ lsarpc_s_CreateSecret,	  LSARPC_OPNUM_CreateSecret },
100 	{ lsarpc_s_OpenSecret,		  LSARPC_OPNUM_OpenSecret },
101 	{ lsarpc_s_QueryInfoPolicy,	  LSARPC_OPNUM_QueryInfoPolicy },
102 	{ lsarpc_s_OpenDomainHandle,	  LSARPC_OPNUM_OpenPolicy },
103 	{ lsarpc_s_OpenDomainHandle,	  LSARPC_OPNUM_OpenPolicy2 },
104 	{ lsarpc_s_LookupSids,		  LSARPC_OPNUM_LookupSids },
105 	{ lsarpc_s_LookupNames,		  LSARPC_OPNUM_LookupNames },
106 	{ lsarpc_s_GetConnectedUser,	  LSARPC_OPNUM_GetConnectedUser },
107 	{ lsarpc_s_LookupSids2,		  LSARPC_OPNUM_LookupSids2 },
108 	{ lsarpc_s_LookupSids3,		  LSARPC_OPNUM_LookupSids3 },
109 	{ lsarpc_s_LookupNames2,	  LSARPC_OPNUM_LookupNames2 },
110 	{ lsarpc_s_LookupNames3,	  LSARPC_OPNUM_LookupNames3 },
111 	{ lsarpc_s_LookupNames4,	  LSARPC_OPNUM_LookupNames4 },
112 	{0}
113 };
114 
115 static ndr_service_t lsarpc_service = {
116 	"LSARPC",			/* name */
117 	"Local Security Authority",	/* desc */
118 	"\\lsarpc",			/* endpoint */
119 	PIPE_LSASS,			/* sec_addr_port */
120 	"12345778-1234-abcd-ef00-0123456789ab", 0,	/* abstract */
121 	NDR_TRANSFER_SYNTAX_UUID,		2,	/* transfer */
122 	0,				/* no bind_instance_size */
123 	NULL,				/* no bind_req() */
124 	NULL,				/* no unbind_and_close() */
125 	lsarpc_call_stub,		/* call_stub() */
126 	&TYPEINFO(lsarpc_interface),	/* interface ti */
127 	lsarpc_stub_table		/* stub_table */
128 };
129 
130 /*
131  * lsarpc_initialize
132  *
133  * This function registers the LSA RPC interface with the RPC runtime
134  * library. It must be called in order to use either the client side
135  * or the server side functions.
136  */
137 void
lsarpc_initialize(void)138 lsarpc_initialize(void)
139 {
140 	(void) ndr_svc_register(&lsarpc_service);
141 }
142 
143 /*
144  * Custom call_stub to set the stream string policy.
145  */
146 static int
lsarpc_call_stub(ndr_xa_t * mxa)147 lsarpc_call_stub(ndr_xa_t *mxa)
148 {
149 	NDS_SETF(&mxa->send_nds, NDS_F_NOTERM);
150 	NDS_SETF(&mxa->recv_nds, NDS_F_NOTERM);
151 
152 	return (ndr_generic_call_stub(mxa));
153 }
154 
155 /*
156  * lsarpc_s_OpenDomainHandle opnum=0x06
157  *
158  * This is a request to open the LSA (OpenPolicy and OpenPolicy2).
159  * The client is looking for an LSA domain handle.
160  */
161 static int
lsarpc_s_OpenDomainHandle(void * arg,ndr_xa_t * mxa)162 lsarpc_s_OpenDomainHandle(void *arg, ndr_xa_t *mxa)
163 {
164 	struct mslsa_OpenPolicy2 *param = arg;
165 	ndr_hdid_t *id;
166 
167 	if ((id = ndr_hdalloc(mxa, &lsarpc_key_domain)) != NULL) {
168 		bcopy(id, &param->domain_handle, sizeof (mslsa_handle_t));
169 		param->status = NT_STATUS_SUCCESS;
170 	} else {
171 		bzero(&param->domain_handle, sizeof (mslsa_handle_t));
172 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
173 	}
174 
175 	return (NDR_DRC_OK);
176 }
177 
178 /*
179  * lsarpc_s_CloseHandle opnum=0x00
180  *
181  * This is a request to close the LSA interface specified by the handle.
182  * We don't track handles (yet), so just zero out the handle and return
183  * NDR_DRC_OK. Setting the handle to zero appears to be standard
184  * behaviour and someone may rely on it, i.e. we do on the client side.
185  */
186 static int
lsarpc_s_CloseHandle(void * arg,ndr_xa_t * mxa)187 lsarpc_s_CloseHandle(void *arg, ndr_xa_t *mxa)
188 {
189 	struct mslsa_CloseHandle *param = arg;
190 	ndr_hdid_t *id = (ndr_hdid_t *)&param->handle;
191 
192 	ndr_hdfree(mxa, id);
193 
194 	bzero(&param->result_handle, sizeof (param->result_handle));
195 	param->status = NT_STATUS_SUCCESS;
196 	return (NDR_DRC_OK);
197 }
198 
199 /*
200  * lsarpc_s_QuerySecurityObject
201  */
202 /*ARGSUSED*/
203 static int
lsarpc_s_QuerySecurityObject(void * arg,ndr_xa_t * mxa)204 lsarpc_s_QuerySecurityObject(void *arg, ndr_xa_t *mxa)
205 {
206 	struct mslsa_QuerySecurityObject *param = arg;
207 
208 	bzero(param, sizeof (struct mslsa_QuerySecurityObject));
209 	param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
210 
211 	return (NDR_DRC_OK);
212 }
213 
214 /*
215  * lsarpc_s_EnumAccounts
216  *
217  * Enumerate the list of local accounts SIDs. The client should supply
218  * a valid OpenPolicy2 handle. The enum_context is used to support
219  * multiple enumeration calls to obtain the complete list of SIDs.
220  * It should be set to 0 on the first call and passed unchanged on
221  * subsequent calls until there are no more accounts - the server will
222  * return STATUS_NO_MORE_ENTRIES.
223  *
224  * For now just set the status to access-denied. Note that we still have
225  * to provide a valid address for enum_buf because it's a reference and
226  * the marshalling rules require that references must not be null.
227  * The enum_context is used to support multiple
228  */
229 static int
lsarpc_s_EnumAccounts(void * arg,ndr_xa_t * mxa)230 lsarpc_s_EnumAccounts(void *arg, ndr_xa_t *mxa)
231 {
232 	struct mslsa_EnumerateAccounts *param = arg;
233 	struct mslsa_EnumAccountBuf *enum_buf;
234 
235 	bzero(param, sizeof (struct mslsa_EnumerateAccounts));
236 
237 	enum_buf = NDR_NEW(mxa, struct mslsa_EnumAccountBuf);
238 	if (enum_buf == NULL) {
239 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
240 		return (NDR_DRC_OK);
241 	}
242 
243 	bzero(enum_buf, sizeof (struct mslsa_EnumAccountBuf));
244 	param->enum_buf = enum_buf;
245 	param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
246 	return (NDR_DRC_OK);
247 }
248 
249 
250 /*
251  * lsarpc_s_EnumTrustedDomain
252  *
253  * This is the server side function for handling requests to enumerate
254  * the list of trusted domains: currently held in the NT domain database.
255  * This call requires an OpenPolicy2 handle. The enum_context is used to
256  * support multiple enumeration calls to obtain the complete list.
257  * It should be set to 0 on the first call and passed unchanged on
258  * subsequent calls until there are no more accounts - the server will
259  * return STATUS_NO_MORE_ENTRIES.
260  *
261  * For now just set the status to access-denied. Note that we still have
262  * to provide a valid address for enum_buf because it's a reference and
263  * the marshalling rules require that references must not be null.
264  */
265 static int
lsarpc_s_EnumTrustedDomain(void * arg,ndr_xa_t * mxa)266 lsarpc_s_EnumTrustedDomain(void *arg, ndr_xa_t *mxa)
267 {
268 	struct mslsa_EnumTrustedDomain *param = arg;
269 	struct mslsa_EnumTrustedDomainBuf *enum_buf;
270 
271 	bzero(param, sizeof (struct mslsa_EnumTrustedDomain));
272 
273 	enum_buf = NDR_NEW(mxa, struct mslsa_EnumTrustedDomainBuf);
274 	if (enum_buf == NULL) {
275 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
276 		return (NDR_DRC_OK);
277 	}
278 
279 	bzero(enum_buf, sizeof (struct mslsa_EnumTrustedDomainBuf));
280 	param->enum_buf = enum_buf;
281 	param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
282 	return (NDR_DRC_OK);
283 }
284 
285 /*
286  * lsarpc_s_EnumTrustedDomainsEx
287  *
288  * This is the server side function for handling requests to enumerate
289  * the list of trusted domains: currently held in the NT domain database.
290  * This call requires an OpenPolicy2 handle. The enum_context is used to
291  * support multiple enumeration calls to obtain the complete list.
292  * It should be set to 0 on the first call and passed unchanged on
293  * subsequent calls until there are no more accounts - the server will
294  * return STATUS_NO_MORE_ENTRIES.
295  *
296  * For now just set the status to access-denied. Note that we still have
297  * to provide a valid address for enum_buf because it's a reference and
298  * the marshalling rules require that references must not be null.
299  */
300 static int
lsarpc_s_EnumTrustedDomainsEx(void * arg,ndr_xa_t * mxa)301 lsarpc_s_EnumTrustedDomainsEx(void *arg, ndr_xa_t *mxa)
302 {
303 	struct mslsa_EnumTrustedDomainEx *param = arg;
304 	struct mslsa_EnumTrustedDomainBufEx *enum_buf;
305 
306 	bzero(param, sizeof (struct mslsa_EnumTrustedDomainEx));
307 
308 	enum_buf = NDR_NEW(mxa, struct mslsa_EnumTrustedDomainBufEx);
309 	if (enum_buf == NULL) {
310 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
311 		return (NDR_DRC_OK);
312 	}
313 
314 	bzero(enum_buf, sizeof (struct mslsa_EnumTrustedDomainBufEx));
315 	param->enum_buf = enum_buf;
316 	param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
317 	return (NDR_DRC_OK);
318 }
319 
320 /*
321  * lsarpc_s_OpenAccount
322  *
323  * This is a request to open an account handle.
324  */
325 static int
lsarpc_s_OpenAccount(void * arg,ndr_xa_t * mxa)326 lsarpc_s_OpenAccount(void *arg, ndr_xa_t *mxa)
327 {
328 	struct mslsa_OpenAccount *param = arg;
329 	ndr_hdid_t *id = (ndr_hdid_t *)&param->handle;
330 	ndr_handle_t *hd;
331 
332 	hd = ndr_hdlookup(mxa, id);
333 	if ((hd == NULL) || (hd->nh_data != &lsarpc_key_domain)) {
334 		bzero(param, sizeof (struct mslsa_OpenAccount));
335 		param->status = NT_SC_ERROR(NT_STATUS_INVALID_HANDLE);
336 		return (NDR_DRC_OK);
337 	}
338 
339 	if ((id = ndr_hdalloc(mxa, &lsarpc_key_account)) != NULL) {
340 		bcopy(id, &param->account_handle, sizeof (mslsa_handle_t));
341 		param->status = NT_STATUS_SUCCESS;
342 	} else {
343 		bzero(&param->account_handle, sizeof (mslsa_handle_t));
344 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
345 	}
346 
347 	return (NDR_DRC_OK);
348 }
349 
350 
351 /*
352  * lsarpc_s_EnumPrivsAccount
353  *
354  * This is the server side function for handling requests for account
355  * privileges. For now just set the status to not-supported status and
356  * return NDR_DRC_OK. Note that we still have to provide a valid
357  * address for enum_buf because it's a reference and the marshalling
358  * rules require that references must not be null.
359  */
360 /*ARGSUSED*/
361 static int
lsarpc_s_EnumPrivsAccount(void * arg,ndr_xa_t * mxa)362 lsarpc_s_EnumPrivsAccount(void *arg, ndr_xa_t *mxa)
363 {
364 	struct mslsa_EnumPrivsAccount *param = arg;
365 
366 	bzero(param, sizeof (struct mslsa_EnumPrivsAccount));
367 	param->status = NT_SC_ERROR(NT_STATUS_NOT_SUPPORTED);
368 	return (NDR_DRC_OK);
369 }
370 
371 /*
372  * lsarpc_s_LookupPrivValue
373  *
374  * Server side function used to map a privilege name to a locally unique
375  * identifier (LUID).
376  */
377 /*ARGSUSED*/
378 static int
lsarpc_s_LookupPrivValue(void * arg,ndr_xa_t * mxa)379 lsarpc_s_LookupPrivValue(void *arg, ndr_xa_t *mxa)
380 {
381 	struct mslsa_LookupPrivValue *param = arg;
382 	smb_privinfo_t *pi;
383 
384 	if ((pi = smb_priv_getbyname((char *)param->name.str)) == NULL) {
385 		bzero(param, sizeof (struct mslsa_LookupPrivValue));
386 		param->status = NT_SC_ERROR(NT_STATUS_NO_SUCH_PRIVILEGE);
387 		return (NDR_DRC_OK);
388 	}
389 
390 	param->luid.low_part = pi->id;
391 	param->luid.high_part = 0;
392 	param->status = NT_STATUS_SUCCESS;
393 	return (NDR_DRC_OK);
394 }
395 
396 /*
397  * lsarpc_s_LookupPrivName
398  *
399  * Server side function used to map a locally unique identifier (LUID)
400  * to the appropriate privilege name string.
401  */
402 static int
lsarpc_s_LookupPrivName(void * arg,ndr_xa_t * mxa)403 lsarpc_s_LookupPrivName(void *arg, ndr_xa_t *mxa)
404 {
405 	struct mslsa_LookupPrivName *param = arg;
406 	smb_privinfo_t *pi;
407 	int rc;
408 
409 	if ((pi = smb_priv_getbyvalue(param->luid.low_part)) == NULL) {
410 		bzero(param, sizeof (struct mslsa_LookupPrivName));
411 		param->status = NT_SC_ERROR(NT_STATUS_NO_SUCH_PRIVILEGE);
412 		return (NDR_DRC_OK);
413 	}
414 
415 	param->name = NDR_NEW(mxa, mslsa_string_t);
416 	if (param->name == NULL) {
417 		bzero(param, sizeof (struct mslsa_LookupPrivName));
418 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
419 		return (NDR_DRC_OK);
420 	}
421 
422 	rc = NDR_MSTRING(mxa, pi->name, (ndr_mstring_t *)param->name);
423 	if (rc == -1) {
424 		bzero(param, sizeof (struct mslsa_LookupPrivName));
425 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
426 		return (NDR_DRC_OK);
427 	}
428 
429 	param->status = NT_STATUS_SUCCESS;
430 	return (NDR_DRC_OK);
431 }
432 
433 /*
434  * lsarpc_s_LookupPrivDisplayName
435  *
436  * This is the server side function for handling requests for account
437  * privileges. For now just set the status to not-supported status and
438  * return NDR_DRC_OK.
439  */
440 static int
lsarpc_s_LookupPrivDisplayName(void * arg,ndr_xa_t * mxa)441 lsarpc_s_LookupPrivDisplayName(void *arg, ndr_xa_t *mxa)
442 {
443 	struct mslsa_LookupPrivDisplayName *param = arg;
444 	smb_privinfo_t *pi;
445 	int rc;
446 
447 	if ((pi = smb_priv_getbyname((char *)param->name.str)) == NULL) {
448 		bzero(param, sizeof (struct mslsa_LookupPrivDisplayName));
449 		param->status = NT_SC_ERROR(NT_STATUS_NO_SUCH_PRIVILEGE);
450 		return (NDR_DRC_OK);
451 	}
452 
453 	param->display_name = NDR_NEW(mxa, mslsa_string_t);
454 	if (param->display_name == NULL) {
455 		bzero(param, sizeof (struct mslsa_LookupPrivDisplayName));
456 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
457 		return (NDR_DRC_OK);
458 	}
459 
460 	rc = NDR_MSTRING(mxa, pi->display_name,
461 	    (ndr_mstring_t *)param->display_name);
462 	if (rc == -1) {
463 		bzero(param, sizeof (struct mslsa_LookupPrivDisplayName));
464 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
465 		return (NDR_DRC_OK);
466 	}
467 
468 	param->language_ret = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL);
469 	param->status = NT_STATUS_SUCCESS;
470 	return (NDR_DRC_OK);
471 }
472 
473 static int
lsarpc_s_CreateSecret(void * arg,ndr_xa_t * mxa)474 lsarpc_s_CreateSecret(void *arg, ndr_xa_t *mxa)
475 {
476 	struct mslsa_CreateSecret *param = arg;
477 	ndr_hdid_t *id = (ndr_hdid_t *)&param->handle;
478 	ndr_handle_t *hd;
479 
480 	hd = ndr_hdlookup(mxa, id);
481 	if ((hd == NULL) || (hd->nh_data != &lsarpc_key_domain)) {
482 		bzero(param, sizeof (struct mslsa_OpenAccount));
483 		param->status = NT_SC_ERROR(NT_STATUS_INVALID_HANDLE);
484 		return (NDR_DRC_OK);
485 	}
486 
487 	bzero(&param->secret_handle, sizeof (mslsa_handle_t));
488 	param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
489 	return (NDR_DRC_OK);
490 }
491 
492 static int
lsarpc_s_OpenSecret(void * arg,ndr_xa_t * mxa)493 lsarpc_s_OpenSecret(void *arg, ndr_xa_t *mxa)
494 {
495 	struct mslsa_OpenSecret *param = arg;
496 	ndr_hdid_t *id = (ndr_hdid_t *)&param->handle;
497 	ndr_handle_t *hd;
498 
499 	hd = ndr_hdlookup(mxa, id);
500 	if ((hd == NULL) || (hd->nh_data != &lsarpc_key_domain)) {
501 		bzero(param, sizeof (struct mslsa_OpenAccount));
502 		param->status = NT_SC_ERROR(NT_STATUS_INVALID_HANDLE);
503 		return (NDR_DRC_OK);
504 	}
505 
506 	bzero(&param->secret_handle, sizeof (mslsa_handle_t));
507 	param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
508 	return (NDR_DRC_OK);
509 }
510 
511 /*
512  * lsarpc_s_GetConnectedUser
513  *
514  * Return the account name and NetBIOS domain name for the user making
515  * the request.  The hostname field should be ignored by the server.
516  *
517  * Note: MacOS uses this, whether we're a domain member or not.
518  */
519 static int
lsarpc_s_GetConnectedUser(void * arg,ndr_xa_t * mxa)520 lsarpc_s_GetConnectedUser(void *arg, ndr_xa_t *mxa)
521 {
522 	struct mslsa_GetConnectedUser *param = arg;
523 	smb_netuserinfo_t *user = mxa->pipe->np_user;
524 	DWORD status = NT_STATUS_SUCCESS;
525 	int rc1;
526 	int rc2;
527 
528 	param->owner = NDR_NEW(mxa, struct mslsa_string_desc);
529 	param->domain = NDR_NEW(mxa, struct mslsa_DomainName);
530 	if (param->owner == NULL || param->domain == NULL) {
531 		status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
532 		param->status = status;
533 		return (NDR_DRC_OK);
534 	}
535 
536 	param->domain->name = NDR_NEW(mxa, struct mslsa_string_desc);
537 	if (param->domain->name == NULL) {
538 		status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
539 		param->status = status;
540 		return (NDR_DRC_OK);
541 	}
542 
543 	rc1 = NDR_MSTRING(mxa, user->ui_account,
544 	    (ndr_mstring_t *)param->owner);
545 	rc2 = NDR_MSTRING(mxa, user->ui_domain,
546 	    (ndr_mstring_t *)param->domain->name);
547 
548 	if (rc1 == -1 || rc2 == -1)
549 		status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
550 
551 	param->status = status;
552 	return (NDR_DRC_OK);
553 }
554 
555 
556 /*
557  * lsarpc_s_QueryInfoPolicy
558  *
559  * This is the server side function for handling LSA information policy
560  * queries. Currently, we only support primary domain and account
561  * domain queries. This is just a front end to switch on the request
562  * and hand it off to the appropriate function to actually deal with
563  * obtaining and building the response.
564  */
565 static int
lsarpc_s_QueryInfoPolicy(void * arg,ndr_xa_t * mxa)566 lsarpc_s_QueryInfoPolicy(void *arg, ndr_xa_t *mxa)
567 {
568 	struct mslsa_QueryInfoPolicy *param = arg;
569 	union mslsa_PolicyInfoResUnion *ru = &param->ru;
570 	int security_mode;
571 	DWORD status;
572 
573 	param->switch_value = param->info_class;
574 
575 	switch (param->info_class) {
576 	case MSLSA_POLICY_AUDIT_EVENTS_INFO:
577 		ru->audit_events.enabled = 0;
578 		ru->audit_events.count = 1;
579 		ru->audit_events.settings
580 		    = NDR_MALLOC(mxa, sizeof (DWORD));
581 		bzero(ru->audit_events.settings, sizeof (DWORD));
582 		status = NT_STATUS_SUCCESS;
583 		break;
584 
585 	case MSLSA_POLICY_PRIMARY_DOMAIN_INFO:
586 		status = lsarpc_s_PrimaryDomainInfo(&ru->pd_info, mxa);
587 		break;
588 
589 	case MSLSA_POLICY_ACCOUNT_DOMAIN_INFO:
590 		status = lsarpc_s_AccountDomainInfo(&ru->ad_info, mxa);
591 		break;
592 
593 	case MSLSA_POLICY_SERVER_ROLE_INFO:
594 		security_mode = smb_config_get_secmode();
595 
596 		if (security_mode == SMB_SECMODE_DOMAIN)
597 			ru->server_role.role = LSA_ROLE_MEMBER_SERVER;
598 		else
599 			ru->server_role.role = LSA_ROLE_STANDALONE_SERVER;
600 
601 		ru->server_role.pad = 0;
602 		status = NT_STATUS_SUCCESS;
603 		break;
604 
605 	default:
606 		bzero(param, sizeof (struct mslsa_QueryInfoPolicy));
607 		param->status = NT_SC_ERROR(NT_STATUS_INVALID_INFO_CLASS);
608 		return (NDR_DRC_OK);
609 	}
610 
611 	if (status != NT_STATUS_SUCCESS)
612 		param->status = NT_SC_ERROR(status);
613 	else
614 		param->status = NT_STATUS_SUCCESS;
615 	param->address = (DWORD)(uintptr_t)ru;
616 
617 	return (NDR_DRC_OK);
618 }
619 
620 
621 /*
622  * lsarpc_s_PrimaryDomainInfo
623  *
624  * Service primary domain policy queries.  In domain mode, return the
625  * primary domain name and SID.   In workgroup mode, return the local
626  * hostname and local domain SID.
627  *
628  * Note: info is zeroed on entry to ensure the SID and name do not
629  * contain spurious values if an error is returned.
630  */
631 static DWORD
lsarpc_s_PrimaryDomainInfo(struct mslsa_PrimaryDomainInfo * info,ndr_xa_t * mxa)632 lsarpc_s_PrimaryDomainInfo(struct mslsa_PrimaryDomainInfo *info,
633     ndr_xa_t *mxa)
634 {
635 	smb_domain_t di;
636 	boolean_t found;
637 	int rc;
638 
639 	bzero(info, sizeof (struct mslsa_PrimaryDomainInfo));
640 
641 	if (smb_config_get_secmode() != SMB_SECMODE_DOMAIN)
642 		found = smb_domain_lookup_type(SMB_DOMAIN_LOCAL, &di);
643 	else
644 		found = smb_domain_lookup_type(SMB_DOMAIN_PRIMARY, &di);
645 
646 	if (!found)
647 		return (NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
648 
649 	rc = NDR_MSTRING(mxa, di.di_nbname, (ndr_mstring_t *)&info->name);
650 	info->sid = (struct mslsa_sid *)NDR_SIDDUP(mxa, di.di_binsid);
651 
652 	if ((rc == -1) || (info->sid == NULL))
653 		return (NT_STATUS_NO_MEMORY);
654 
655 	return (NT_STATUS_SUCCESS);
656 }
657 
658 
659 /*
660  * lsarpc_s_AccountDomainInfo
661  *
662  * Service account domain policy queries.  We return our local domain
663  * information so that the client knows who to query for information
664  * on local names and SIDs.  The domain name is the local hostname.
665  *
666  * Note: info is zeroed on entry to ensure the SID and name do not
667  * contain spurious values if an error is returned.
668  */
669 static DWORD
lsarpc_s_AccountDomainInfo(struct mslsa_AccountDomainInfo * info,ndr_xa_t * mxa)670 lsarpc_s_AccountDomainInfo(struct mslsa_AccountDomainInfo *info,
671     ndr_xa_t *mxa)
672 {
673 	smb_domain_t di;
674 	int rc;
675 
676 	bzero(info, sizeof (struct mslsa_AccountDomainInfo));
677 
678 	if (!smb_domain_lookup_type(SMB_DOMAIN_LOCAL, &di))
679 		return (NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
680 
681 	rc = NDR_MSTRING(mxa, di.di_nbname, (ndr_mstring_t *)&info->name);
682 	info->sid = (struct mslsa_sid *)NDR_SIDDUP(mxa, di.di_binsid);
683 
684 	if ((rc == -1) || (info->sid == NULL))
685 		return (NT_STATUS_NO_MEMORY);
686 
687 	return (NT_STATUS_SUCCESS);
688 }
689 
690 /*
691  * lsarpc_s_LookupNames
692  *
693  * This is the service side function for handling name lookup requests.
694  * Currently, we only support lookups of a single name. This is also a
695  * pass through interface so all we do is act as a proxy between the
696  * client and the DC.
697  */
698 static int
lsarpc_s_LookupNames(void * arg,ndr_xa_t * mxa)699 lsarpc_s_LookupNames(void *arg, ndr_xa_t *mxa)
700 {
701 	struct mslsa_LookupNames *param = arg;
702 	struct mslsa_rid_entry *rids;
703 	struct mslsa_domain_table *domain_table;
704 	struct mslsa_domain_entry *domain_entry;
705 	smb_account_t account;
706 	uint32_t status;
707 	char *accname;
708 	int rc = 0;
709 
710 	if (param->name_table->n_entry != 1)
711 		return (NDR_DRC_FAULT_PARAM_0_UNIMPLEMENTED);
712 
713 	rids = NDR_NEW(mxa, struct mslsa_rid_entry);
714 	domain_table = NDR_NEW(mxa, struct mslsa_domain_table);
715 	domain_entry = NDR_NEW(mxa, struct mslsa_domain_entry);
716 
717 	if (rids == NULL || domain_table == NULL || domain_entry == NULL) {
718 		bzero(param, sizeof (struct mslsa_LookupNames));
719 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
720 		return (NDR_DRC_OK);
721 	}
722 
723 	accname = (char *)param->name_table->names->str;
724 	status = lsa_lookup_name(accname, SidTypeUnknown, &account);
725 	if (status != NT_STATUS_SUCCESS) {
726 		bzero(param, sizeof (struct mslsa_LookupNames));
727 		param->status = NT_SC_ERROR(status);
728 		return (NDR_DRC_OK);
729 	}
730 
731 	/*
732 	 * Set up the rid table.
733 	 */
734 	rids[0].sid_name_use = account.a_type;
735 	rids[0].rid = account.a_rid;
736 	rids[0].domain_index = 0;
737 	param->translated_sids.n_entry = 1;
738 	param->translated_sids.rids = rids;
739 
740 	/*
741 	 * Set up the domain table.
742 	 */
743 	domain_table->entries = domain_entry;
744 	domain_table->n_entry = 1;
745 	domain_table->max_n_entry = MLSVC_DOMAIN_MAX;
746 
747 	rc = NDR_MSTRING(mxa, account.a_domain,
748 	    (ndr_mstring_t *)&domain_entry->domain_name);
749 	domain_entry->domain_sid =
750 	    (struct mslsa_sid *)NDR_SIDDUP(mxa, account.a_domsid);
751 
752 	if (rc == -1 || domain_entry->domain_sid == NULL) {
753 		smb_account_free(&account);
754 		bzero(param, sizeof (struct mslsa_LookupNames));
755 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
756 		return (NDR_DRC_OK);
757 	}
758 
759 	param->domain_table = domain_table;
760 	param->mapped_count = 1;
761 	param->status = NT_STATUS_SUCCESS;
762 
763 	smb_account_free(&account);
764 	return (NDR_DRC_OK);
765 }
766 
767 /*
768  * lsarpc_s_LookupSids
769  *
770  * This is the service side function for handling sid lookup requests.
771  * We have to set up both the name table and the domain table in the
772  * response. For each SID, we check for UNIX domain (local lookup) or
773  * NT domain (DC lookup) and call the appropriate lookup function. This
774  * should resolve the SID to a name. Then we need to update the domain
775  * table and make the name entry point at the appropriate domain table
776  * entry.
777  *
778  *
779  * This RPC should behave as if LookupOptions is LSA_LOOKUP_OPT_ALL and
780  * ClientRevision is LSA_CLIENT_REVISION_NT.
781  *
782  * On success return 0. Otherwise return an RPC specific error code.
783  */
784 
785 static int
lsarpc_s_LookupSids(void * arg,ndr_xa_t * mxa)786 lsarpc_s_LookupSids(void *arg, ndr_xa_t *mxa)
787 {
788 	struct mslsa_LookupSids *param = arg;
789 	struct mslsa_domain_table *domain_table;
790 	struct mslsa_domain_entry *domain_entry;
791 	struct mslsa_name_entry *names;
792 	struct mslsa_name_entry *name;
793 	smb_account_t account;
794 	smb_sid_t *sid;
795 	DWORD n_entry;
796 	DWORD n_mapped;
797 	char sidstr[SMB_SID_STRSZ];
798 	int result;
799 	int i;
800 
801 	bzero(&account, sizeof (smb_account_t));
802 	n_mapped = 0;
803 	n_entry = param->lup_sid_table.n_entry;
804 
805 	names = NDR_NEWN(mxa, struct mslsa_name_entry, n_entry);
806 	domain_table = NDR_NEW(mxa, struct mslsa_domain_table);
807 	domain_entry = NDR_NEWN(mxa, struct mslsa_domain_entry,
808 	    MLSVC_DOMAIN_MAX);
809 
810 	if (names == NULL || domain_table == NULL || domain_entry == NULL)
811 		goto lookup_sid_failed;
812 
813 	domain_table->entries = domain_entry;
814 	domain_table->n_entry = 0;
815 	domain_table->max_n_entry = MLSVC_DOMAIN_MAX;
816 
817 	name = names;
818 	for (i = 0; i < n_entry; ++i, name++) {
819 		bzero(name, sizeof (struct mslsa_name_entry));
820 		sid = (smb_sid_t *)param->lup_sid_table.entries[i].psid;
821 
822 		result = lsa_lookup_sid(sid, &account);
823 		if ((result != NT_STATUS_SUCCESS) ||
824 		    (account.a_name == NULL) || (*account.a_name == '\0')) {
825 			account.a_type = SidTypeUnknown;
826 			smb_sid_tostr(sid, sidstr);
827 
828 			if (NDR_MSTRING(mxa, sidstr,
829 			    (ndr_mstring_t *)&name->name) == -1)
830 				goto lookup_sid_failed;
831 
832 		} else {
833 			if (NDR_MSTRING(mxa, account.a_name,
834 			    (ndr_mstring_t *)&name->name) == -1)
835 				goto lookup_sid_failed;
836 
837 			++n_mapped;
838 		}
839 
840 		name->sid_name_use = account.a_type;
841 
842 		result = lsarpc_s_UpdateDomainTable(mxa, &account,
843 		    domain_table, &name->domain_ix);
844 		if (result == -1)
845 			goto lookup_sid_failed;
846 
847 		smb_account_free(&account);
848 	}
849 
850 	param->domain_table = domain_table;
851 	param->name_table.n_entry = n_entry;
852 	param->name_table.entries = names;
853 	param->mapped_count = n_mapped;
854 
855 	if (n_mapped == n_entry)
856 		param->status = NT_STATUS_SUCCESS;
857 	else if (n_mapped == 0)
858 		param->status = NT_STATUS_NONE_MAPPED;
859 	else
860 		param->status = NT_STATUS_SOME_NOT_MAPPED;
861 
862 	return (NDR_DRC_OK);
863 
864 lookup_sid_failed:
865 	smb_account_free(&account);
866 	bzero(param, sizeof (struct mslsa_LookupSids));
867 	return (NDR_DRC_FAULT_OUT_OF_MEMORY);
868 }
869 
870 /*
871  * lsarpc_s_UpdateDomainTable
872  *
873  * This routine is responsible for maintaining the domain table which
874  * will be returned from a SID lookup. Whenever a name is added to the
875  * name table, this function should be called with the corresponding
876  * domain name. If the domain information is not already in the table,
877  * it is added. On success return 0; Otherwise -1 is returned.
878  */
879 static int
lsarpc_s_UpdateDomainTable(ndr_xa_t * mxa,smb_account_t * account,struct mslsa_domain_table * domain_table,DWORD * domain_idx)880 lsarpc_s_UpdateDomainTable(ndr_xa_t *mxa,
881     smb_account_t *account, struct mslsa_domain_table *domain_table,
882     DWORD *domain_idx)
883 {
884 	struct mslsa_domain_entry *dentry;
885 	DWORD n_entry;
886 	DWORD i;
887 	int rc;
888 
889 	if (account->a_type == SidTypeUnknown ||
890 	    account->a_type == SidTypeInvalid) {
891 		/*
892 		 * These types don't need to reference an entry in the
893 		 * domain table. So return -1.
894 		 */
895 		*domain_idx = (DWORD)-1;
896 		return (0);
897 	}
898 
899 	if ((dentry = domain_table->entries) == NULL)
900 		return (-1);
901 
902 	if ((n_entry = domain_table->n_entry) >= MLSVC_DOMAIN_MAX)
903 		return (-1);
904 
905 	for (i = 0; i < n_entry; ++i) {
906 		if (smb_sid_cmp((smb_sid_t *)dentry[i].domain_sid,
907 		    account->a_domsid)) {
908 			*domain_idx = i;
909 			return (0);
910 		}
911 	}
912 
913 	if (i == MLSVC_DOMAIN_MAX)
914 		return (-1);
915 
916 	rc = NDR_MSTRING(mxa, account->a_domain,
917 	    (ndr_mstring_t *)&dentry[i].domain_name);
918 	dentry[i].domain_sid =
919 	    (struct mslsa_sid *)NDR_SIDDUP(mxa, account->a_domsid);
920 
921 	if (rc == -1 || dentry[i].domain_sid == NULL)
922 		return (-1);
923 
924 	++domain_table->n_entry;
925 	*domain_idx = i;
926 	return (0);
927 }
928 
929 /*
930  * lsarpc_s_LookupSids2
931  *
932  * Other than the use of lsar_lookup_sids2 and lsar_name_entry2, this
933  * is identical to lsarpc_s_LookupSids.
934  *
935  * Ignore lookup_level, it is reserved and should be zero.
936  */
937 static int
lsarpc_s_LookupSids2(void * arg,ndr_xa_t * mxa)938 lsarpc_s_LookupSids2(void *arg, ndr_xa_t *mxa)
939 {
940 	struct lsar_lookup_sids2 *param = arg;
941 	struct lsar_name_entry2 *names;
942 	struct lsar_name_entry2 *name;
943 	struct mslsa_domain_table *domain_table;
944 	struct mslsa_domain_entry *domain_entry;
945 	smb_account_t account;
946 	smb_sid_t *sid;
947 	DWORD n_entry;
948 	DWORD n_mapped;
949 	char sidstr[SMB_SID_STRSZ];
950 	int result;
951 	int i;
952 
953 	bzero(&account, sizeof (smb_account_t));
954 	n_mapped = 0;
955 	n_entry = param->lup_sid_table.n_entry;
956 
957 	names = NDR_NEWN(mxa, struct lsar_name_entry2, n_entry);
958 	domain_table = NDR_NEW(mxa, struct mslsa_domain_table);
959 	domain_entry = NDR_NEWN(mxa, struct mslsa_domain_entry,
960 	    MLSVC_DOMAIN_MAX);
961 
962 	if (names == NULL || domain_table == NULL || domain_entry == NULL)
963 		goto lookup_sid_failed;
964 
965 	domain_table->entries = domain_entry;
966 	domain_table->n_entry = 0;
967 	domain_table->max_n_entry = MLSVC_DOMAIN_MAX;
968 
969 	name = names;
970 	for (i = 0; i < n_entry; ++i, name++) {
971 		bzero(name, sizeof (struct lsar_name_entry2));
972 		sid = (smb_sid_t *)param->lup_sid_table.entries[i].psid;
973 
974 		result = lsa_lookup_sid(sid, &account);
975 		if ((result != NT_STATUS_SUCCESS) ||
976 		    (account.a_name == NULL) || (*account.a_name == '\0')) {
977 			account.a_type = SidTypeUnknown;
978 			smb_sid_tostr(sid, sidstr);
979 
980 			if (NDR_MSTRING(mxa, sidstr,
981 			    (ndr_mstring_t *)&name->name) == -1)
982 				goto lookup_sid_failed;
983 
984 		} else {
985 			if (NDR_MSTRING(mxa, account.a_name,
986 			    (ndr_mstring_t *)&name->name) == -1)
987 				goto lookup_sid_failed;
988 
989 			++n_mapped;
990 		}
991 
992 		name->sid_name_use = account.a_type;
993 
994 		result = lsarpc_s_UpdateDomainTable(mxa, &account,
995 		    domain_table, &name->domain_ix);
996 		if (result == -1)
997 			goto lookup_sid_failed;
998 
999 		smb_account_free(&account);
1000 	}
1001 
1002 	param->domain_table = domain_table;
1003 	param->name_table.n_entry = n_entry;
1004 	param->name_table.entries = names;
1005 	param->mapped_count = n_mapped;
1006 
1007 	if (n_mapped == n_entry)
1008 		param->status = NT_STATUS_SUCCESS;
1009 	else if (n_mapped == 0)
1010 		param->status = NT_STATUS_NONE_MAPPED;
1011 	else
1012 		param->status = NT_STATUS_SOME_NOT_MAPPED;
1013 
1014 	return (NDR_DRC_OK);
1015 
1016 lookup_sid_failed:
1017 	smb_account_free(&account);
1018 	bzero(param, sizeof (struct lsar_lookup_sids2));
1019 	return (NDR_DRC_FAULT_OUT_OF_MEMORY);
1020 }
1021 
1022 /*
1023  * LookupSids3 is only valid on domain controllers.
1024  * Other servers must return NT_STATUS_INVALID_SERVER_STATE.
1025  */
1026 /*ARGSUSED*/
1027 static int
lsarpc_s_LookupSids3(void * arg,ndr_xa_t * mxa)1028 lsarpc_s_LookupSids3(void *arg, ndr_xa_t *mxa)
1029 {
1030 	struct lsar_lookup_sids3 *param = arg;
1031 
1032 	bzero(param, sizeof (struct lsar_lookup_sids3));
1033 	param->status = NT_SC_ERROR(NT_STATUS_INVALID_SERVER_STATE);
1034 	return (NDR_DRC_OK);
1035 }
1036 
1037 /*
1038  * lsarpc_s_LookupNames2
1039  *
1040  * Other than the use of lsar_LookupNames2 and lsar_rid_entry2, this
1041  * is identical to lsarpc_s_LookupNames.
1042  *
1043  * If LookupOptions contains LSA_LOOKUP_OPT_LOCAL and LookupLevel is not
1044  * LSA_LOOKUP_WKSTA, return STATUS_INVALID_PARAMETER.
1045  */
1046 static int
lsarpc_s_LookupNames2(void * arg,ndr_xa_t * mxa)1047 lsarpc_s_LookupNames2(void *arg, ndr_xa_t *mxa)
1048 {
1049 	struct lsar_LookupNames2 *param = arg;
1050 	struct lsar_rid_entry2 *rids;
1051 	struct mslsa_domain_table *domain_table;
1052 	struct mslsa_domain_entry *domain_entry;
1053 	smb_account_t account;
1054 	uint32_t status;
1055 	char *accname;
1056 	int rc = 0;
1057 
1058 	if (param->name_table->n_entry != 1)
1059 		return (NDR_DRC_FAULT_PARAM_0_UNIMPLEMENTED);
1060 
1061 	if ((param->lookup_options & LSA_LOOKUP_OPT_LOCAL) &&
1062 	    param->lookup_level != LSA_LOOKUP_WKSTA) {
1063 		bzero(param, sizeof (struct lsar_LookupNames2));
1064 		param->status = NT_SC_ERROR(NT_STATUS_INVALID_PARAMETER);
1065 		return (NDR_DRC_OK);
1066 	}
1067 
1068 	rids = NDR_NEW(mxa, struct lsar_rid_entry2);
1069 	domain_table = NDR_NEW(mxa, struct mslsa_domain_table);
1070 	domain_entry = NDR_NEW(mxa, struct mslsa_domain_entry);
1071 
1072 	if (rids == NULL || domain_table == NULL || domain_entry == NULL) {
1073 		bzero(param, sizeof (struct lsar_LookupNames2));
1074 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
1075 		return (NDR_DRC_OK);
1076 	}
1077 
1078 	accname = (char *)param->name_table->names->str;
1079 	status = lsa_lookup_name(accname, SidTypeUnknown, &account);
1080 	if (status != NT_STATUS_SUCCESS) {
1081 		bzero(param, sizeof (struct lsar_LookupNames2));
1082 		param->status = NT_SC_ERROR(status);
1083 		return (NDR_DRC_OK);
1084 	}
1085 
1086 	/*
1087 	 * Set up the rid table.
1088 	 */
1089 	bzero(rids, sizeof (struct lsar_rid_entry2));
1090 	rids[0].sid_name_use = account.a_type;
1091 	rids[0].rid = account.a_rid;
1092 	rids[0].domain_index = 0;
1093 	param->translated_sids.n_entry = 1;
1094 	param->translated_sids.rids = rids;
1095 
1096 	/*
1097 	 * Set up the domain table.
1098 	 */
1099 	domain_table->entries = domain_entry;
1100 	domain_table->n_entry = 1;
1101 	domain_table->max_n_entry = MLSVC_DOMAIN_MAX;
1102 
1103 	rc = NDR_MSTRING(mxa, account.a_domain,
1104 	    (ndr_mstring_t *)&domain_entry->domain_name);
1105 
1106 	domain_entry->domain_sid =
1107 	    (struct mslsa_sid *)NDR_SIDDUP(mxa, account.a_domsid);
1108 
1109 	if (rc == -1 || domain_entry->domain_sid == NULL) {
1110 		smb_account_free(&account);
1111 		bzero(param, sizeof (struct lsar_LookupNames2));
1112 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
1113 		return (NDR_DRC_OK);
1114 	}
1115 
1116 	param->domain_table = domain_table;
1117 	param->mapped_count = 1;
1118 	param->status = NT_STATUS_SUCCESS;
1119 
1120 	smb_account_free(&account);
1121 	return (NDR_DRC_OK);
1122 }
1123 
1124 /*
1125  * Other than the use of lsar_LookupNames2 and lsar_rid_entry2, this
1126  * is identical to lsarpc_s_LookupNames.
1127  *
1128  * If LookupOptions contains LSA_LOOKUP_OPT_LOCAL and LookupLevel is not
1129  * LSA_LOOKUP_WKSTA, return STATUS_INVALID_PARAMETER.
1130  */
1131 static int
lsarpc_s_LookupNames3(void * arg,ndr_xa_t * mxa)1132 lsarpc_s_LookupNames3(void *arg, ndr_xa_t *mxa)
1133 {
1134 	struct lsar_LookupNames3	*param = arg;
1135 	struct lsar_translated_sid_ex2	*sids;
1136 	struct mslsa_domain_table	*domain_table;
1137 	struct mslsa_domain_entry	*domain_entry;
1138 	smb_account_t			account;
1139 	uint32_t			status;
1140 	char				*accname;
1141 	int				rc = 0;
1142 
1143 	if (param->name_table->n_entry != 1)
1144 		return (NDR_DRC_FAULT_PARAM_0_UNIMPLEMENTED);
1145 
1146 	if ((param->lookup_options & LSA_LOOKUP_OPT_LOCAL) &&
1147 	    param->lookup_level != LSA_LOOKUP_WKSTA) {
1148 		bzero(param, sizeof (struct lsar_LookupNames3));
1149 		param->status = NT_SC_ERROR(NT_STATUS_INVALID_PARAMETER);
1150 		return (NDR_DRC_OK);
1151 	}
1152 
1153 	sids = NDR_NEW(mxa, struct lsar_translated_sid_ex2);
1154 	domain_table = NDR_NEW(mxa, struct mslsa_domain_table);
1155 	domain_entry = NDR_NEW(mxa, struct mslsa_domain_entry);
1156 
1157 	if (sids == NULL || domain_table == NULL || domain_entry == NULL) {
1158 		bzero(param, sizeof (struct lsar_LookupNames3));
1159 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
1160 		return (NDR_DRC_OK);
1161 	}
1162 
1163 	accname = (char *)param->name_table->names->str;
1164 	status = lsa_lookup_name(accname, SidTypeUnknown, &account);
1165 	if (status != NT_STATUS_SUCCESS) {
1166 		bzero(param, sizeof (struct lsar_LookupNames3));
1167 		param->status = NT_SC_ERROR(status);
1168 		return (NDR_DRC_OK);
1169 	}
1170 
1171 	/*
1172 	 * Set up the SID table.
1173 	 */
1174 	bzero(sids, sizeof (struct lsar_translated_sid_ex2));
1175 	sids[0].sid_name_use = account.a_type;
1176 	sids[0].sid = (struct mslsa_sid *)NDR_SIDDUP(mxa, account.a_sid);
1177 	sids[0].domain_index = 0;
1178 	param->translated_sids.n_entry = 1;
1179 	param->translated_sids.sids = sids;
1180 
1181 	/*
1182 	 * Set up the domain table.
1183 	 */
1184 	domain_table->entries = domain_entry;
1185 	domain_table->n_entry = 1;
1186 	domain_table->max_n_entry = MLSVC_DOMAIN_MAX;
1187 
1188 	rc = NDR_MSTRING(mxa, account.a_domain,
1189 	    (ndr_mstring_t *)&domain_entry->domain_name);
1190 
1191 	domain_entry->domain_sid =
1192 	    (struct mslsa_sid *)NDR_SIDDUP(mxa, account.a_domsid);
1193 
1194 	if (rc == -1 || domain_entry->domain_sid == NULL) {
1195 		smb_account_free(&account);
1196 		bzero(param, sizeof (struct lsar_LookupNames3));
1197 		param->status = NT_SC_ERROR(NT_STATUS_NO_MEMORY);
1198 		return (NDR_DRC_OK);
1199 	}
1200 
1201 	param->domain_table = domain_table;
1202 	param->mapped_count = 1;
1203 	param->status = NT_STATUS_SUCCESS;
1204 
1205 	smb_account_free(&account);
1206 	return (NDR_DRC_OK);
1207 }
1208 
1209 /*
1210  * LookupNames4 is only valid on domain controllers.
1211  * Other servers must return NT_STATUS_INVALID_SERVER_STATE.
1212  */
1213 /*ARGSUSED*/
1214 static int
lsarpc_s_LookupNames4(void * arg,ndr_xa_t * mxa)1215 lsarpc_s_LookupNames4(void *arg, ndr_xa_t *mxa)
1216 {
1217 	struct lsar_LookupNames4 *param = arg;
1218 
1219 	bzero(param, sizeof (struct lsar_LookupNames4));
1220 	param->status = NT_SC_ERROR(NT_STATUS_INVALID_SERVER_STATE);
1221 	return (NDR_DRC_OK);
1222 }
1223 
1224 /*
1225  * There is a bug in the way that ndrgen and the marshalling code handles
1226  * unions so we need to fix some of the data offsets at runtime. The
1227  * following macros and the fixup functions handle the corrections.
1228  */
1229 
1230 DECL_FIXUP_STRUCT(mslsa_PolicyInfoResUnion);
1231 DECL_FIXUP_STRUCT(mslsa_PolicyInfoRes);
1232 DECL_FIXUP_STRUCT(mslsa_QueryInfoPolicy);
1233 void
fixup_mslsa_QueryInfoPolicy(struct mslsa_QueryInfoPolicy * val)1234 fixup_mslsa_QueryInfoPolicy(struct mslsa_QueryInfoPolicy *val)
1235 {
1236 	unsigned short size1 = 0;
1237 	unsigned short size2 = 0;
1238 	unsigned short size3 = 0;
1239 
1240 	switch (val->info_class) {
1241 		case MSLSA_POLICY_AUDIT_EVENTS_INFO:
1242 			size1 = sizeof (struct mslsa_AuditEventsInfo);
1243 			break;
1244 
1245 		case MSLSA_POLICY_PRIMARY_DOMAIN_INFO:
1246 			size1 = sizeof (struct mslsa_PrimaryDomainInfo);
1247 			break;
1248 
1249 		case MSLSA_POLICY_ACCOUNT_DOMAIN_INFO:
1250 			size1 = sizeof (struct mslsa_AccountDomainInfo);
1251 			break;
1252 
1253 		case MSLSA_POLICY_SERVER_ROLE_INFO:
1254 			size1 = sizeof (struct mslsa_ServerRoleInfo);
1255 			break;
1256 
1257 		case MSLSA_POLICY_DNS_DOMAIN_INFO:
1258 			size1 = sizeof (struct mslsa_DnsDomainInfo);
1259 			break;
1260 
1261 		default:
1262 			return;
1263 	};
1264 
1265 	size2 = size1 + (2 * sizeof (DWORD));
1266 	size3 = size2 + sizeof (ndr_request_hdr_t) + sizeof (DWORD);
1267 
1268 	FIXUP_PDU_SIZE(mslsa_PolicyInfoResUnion, size1);
1269 	FIXUP_PDU_SIZE(mslsa_PolicyInfoRes, size2);
1270 	FIXUP_PDU_SIZE(mslsa_QueryInfoPolicy, size3);
1271 }
1272