source/rpc_server/srv_lsa_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997,
   7  *  Copyright (C) Jeremy Allison                    2001,
   8  *  Copyright (C) Rafal Szczesniak                  2002,
   9  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>   2002,
  10  *  Copyright (C) Simo Sorce                        2003.
  11  *
  12  *  This program is free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25  */
  26
  27 /* This is the implementation of the lsa server code. */
  28
  29 #include "includes.h"
  30
  31 #undef DBGC_CLASS
  32 #define DBGC_CLASS DBGC_RPC_SRV
  33
  34 extern PRIVS privs[];
  35
  36 struct lsa_info {
  37         DOM_SID sid;
  38         uint32 access;
  39 };
  40
  41 struct generic_mapping lsa_generic_mapping = {
  42         POLICY_READ,
  43         POLICY_WRITE,
  44         POLICY_EXECUTE,
  45         POLICY_ALL_ACCESS
  46 };
  47
  48 /*******************************************************************
  49  Function to free the per handle data.
  50  ********************************************************************/
  51
  52 static void free_lsa_info(void *ptr)
  53 {
  54         struct lsa_info *lsa = (struct lsa_info *)ptr;
  55
  56         SAFE_FREE(lsa);
  57 }
  58
  59 /***************************************************************************
  60 Init dom_query
  61  ***************************************************************************/
  62
  63 static void init_dom_query(DOM_QUERY *d_q, const char *dom_name, DOM_SID *dom_sid)
  64 {
  65         d_q->buffer_dom_name = (dom_name != NULL) ? 1 : 0; /* domain buffer pointer */
  66         d_q->buffer_dom_sid = (dom_sid != NULL) ? 1 : 0;  /* domain sid pointer */
  67
  68         /* this string is supposed to be non-null terminated. */
  69         /* But the maxlen in this UNISTR2 must include the terminating null. */
  70         init_unistr2(&d_q->uni_domain_name, dom_name, UNI_BROKEN_NON_NULL);
  71
  72         /*
  73          * I'm not sure why this really odd combination of length
  74          * values works, but it does appear to. I need to look at
  75          * this *much* more closely - but at the moment leave alone
  76          * until it's understood. This allows a W2k client to join
  77          * a domain with both odd and even length names... JRA.
  78          */
  79
  80         /*
  81          * IMPORTANT NOTE !!!!
  82          * The two fields below probably are reversed in meaning, ie.
  83          * the first field is probably the str_len, the second the max
  84          * len. Both are measured in bytes anyway.
  85          */
  86
  87         d_q->uni_dom_str_len = d_q->uni_domain_name.uni_max_len * 2;
  88         d_q->uni_dom_max_len = d_q->uni_domain_name.uni_str_len * 2;
  89
  90         if (dom_sid != NULL)
  91                 init_dom_sid2(&d_q->dom_sid, dom_sid);
  92 }
  93
  94 /***************************************************************************
  95  init_dom_ref - adds a domain if it's not already in, returns the index.
  96 ***************************************************************************/
  97
  98 static int init_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid)
  99 {
 100         int num = 0;
 101
 102         if (dom_name != NULL) {
 103                 for (num = 0; num < ref->num_ref_doms_1; num++) {
 104                         fstring domname;
 105                         rpcstr_pull(domname, ref->ref_dom[num].uni_dom_name.buffer, sizeof(domname), -1, 0);
 106                         if (strequal(domname, dom_name))
 107                                 return num;
 108                 }
 109         } else {
 110                 num = ref->num_ref_doms_1;
 111         }
 112
 113         if (num >= MAX_REF_DOMAINS) {
 114                 /* index not found, already at maximum domain limit */
 115                 return -1;
 116         }
 117
 118         ref->num_ref_doms_1 = num+1;
 119         ref->ptr_ref_dom  = 1;
 120         ref->max_entries = MAX_REF_DOMAINS;
 121         ref->num_ref_doms_2 = num+1;
 122
 123         ref->hdr_ref_dom[num].ptr_dom_sid = dom_sid != NULL ? 1 : 0;
 124
 125         init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, UNI_FLAGS_NONE);
 126         init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, &ref->ref_dom[num].uni_dom_name);
 127
 128         init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
 129
 130         return num;
 131 }
 132
 133 /***************************************************************************
 134  init_lsa_rid2s
 135  ***************************************************************************/
 136
 137 static void init_lsa_rid2s(DOM_R_REF *ref, DOM_RID2 *rid2,
 138                                 int num_entries, UNISTR2 *name,
 139                                 uint32 *mapped_count, BOOL endian)
 140 {
 141         int i;
 142         int total = 0;
 143         *mapped_count = 0;
 144
 145         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 146
 147         become_root(); /* lookup_name can require root privs */
 148
 149         for (i = 0; i < num_entries; i++) {
 150                 BOOL status = False;
 151                 DOM_SID sid;
 152                 uint32 rid = 0xffffffff;
 153                 int dom_idx = -1;
 154                 pstring full_name;
 155                 fstring dom_name, user;
 156                 enum SID_NAME_USE name_type = SID_NAME_UNKNOWN;
 157
 158                 /* Split name into domain and user component */
 159
 160                 unistr2_to_ascii(full_name, &name[i], sizeof(full_name));
 161                 split_domain_name(full_name, dom_name, user);
 162
 163                 /* Lookup name */
 164
 165                 DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name));
 166
 167                 status = lookup_name(dom_name, user, &sid, &name_type);
 168
 169                 if((name_type == SID_NAME_UNKNOWN) && (lp_server_role() == ROLE_DOMAIN_MEMBER)  && (strncmp(dom_name, full_name, strlen(dom_name)) != 0)) {
 170                         DEBUG(5, ("init_lsa_rid2s: domain name not provided and local account not found, using member domain\n"));
 171                         fstrcpy(dom_name, lp_workgroup());
 172                         status = lookup_name(dom_name, user, &sid, &name_type);
 173                 }
 174
 175 #if 0 /* This is not true. */
 176                 if (name_type == SID_NAME_WKN_GRP) {
 177                         /* BUILTIN aliases are still aliases :-) */
 178                         name_type = SID_NAME_ALIAS;
 179                 }
 180 #endif
 181
 182                 DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" :
 183                           "not found"));
 184
 185                 if (status && name_type != SID_NAME_UNKNOWN) {
 186                         sid_split_rid(&sid, &rid);
 187                         dom_idx = init_dom_ref(ref, dom_name, &sid);
 188                         (*mapped_count)++;
 189                 } else {
 190                         dom_idx = -1;
 191                         rid = 0;
 192                         name_type = SID_NAME_UNKNOWN;
 193                 }
 194
 195                 init_dom_rid2(&rid2[total], rid, name_type, dom_idx);
 196                 total++;
 197         }
 198
 199         unbecome_root();
 200 }
 201
 202 /***************************************************************************
 203  init_reply_lookup_names
 204  ***************************************************************************/
 205
 206 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
 207                 DOM_R_REF *ref, uint32 num_entries,
 208                 DOM_RID2 *rid2, uint32 mapped_count)
 209 {
 210         r_l->ptr_dom_ref  = 1;
 211         r_l->dom_ref      = ref;
 212
 213         r_l->num_entries  = num_entries;
 214         r_l->ptr_entries  = 1;
 215         r_l->num_entries2 = num_entries;
 216         r_l->dom_rid      = rid2;
 217
 218         r_l->mapped_count = mapped_count;
 219 }
 220
 221 /***************************************************************************
 222  Init lsa_trans_names.
 223  ***************************************************************************/
 224
 225 static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn,
 226                                  int num_entries, DOM_SID2 *sid,
 227                                  uint32 *mapped_count)
 228 {
 229         int i;
 230         int total = 0;
 231         *mapped_count = 0;
 232
 233         /* Allocate memory for list of names */
 234
 235         if (num_entries > 0) {
 236                 if (!(trn->name = TALLOC_ARRAY(ctx, LSA_TRANS_NAME, num_entries))) {
 237                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 238                         return;
 239                 }
 240
 241                 if (!(trn->uni_name = TALLOC_ARRAY(ctx, UNISTR2, num_entries))) {
 242                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 243                         return;
 244                 }
 245         }
 246
 247         become_root(); /* Need root to get to passdb to for local sids */
 248
 249         for (i = 0; i < num_entries; i++) {
 250                 BOOL status = False;
 251                 DOM_SID find_sid = sid[i].sid;
 252                 uint32 rid = 0xffffffff;
 253                 int dom_idx = -1;
 254                 fstring name, dom_name;
 255                 enum SID_NAME_USE sid_name_use = (enum SID_NAME_USE)0;
 256
 257                 sid_to_string(name, &find_sid);
 258                 DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n", name));
 259
 260                 /* Lookup sid from winbindd */
 261
 262                 status = lookup_sid(&find_sid, dom_name, name, &sid_name_use);
 263
 264                 DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" :
 265                           "not found"));
 266
 267                 if (!status) {
 268                         sid_name_use = SID_NAME_UNKNOWN;
 269                         memset(dom_name, '\0', sizeof(dom_name));
 270                         sid_to_string(name, &find_sid);
 271                         dom_idx = -1;
 272
 273                         DEBUG(10,("init_lsa_trans_names: added unknown user '%s' to "
 274                                   "referenced list.\n", name ));
 275                 } else {
 276                         (*mapped_count)++;
 277                         /* Store domain sid in ref array */
 278                         if (find_sid.num_auths == 5) {
 279                                 sid_split_rid(&find_sid, &rid);
 280                         }
 281                         dom_idx = init_dom_ref(ref, dom_name, &find_sid);
 282
 283                         DEBUG(10,("init_lsa_trans_names: added %s '%s\\%s' (%d) to referenced list.\n",
 284                                 sid_type_lookup(sid_name_use), dom_name, name, sid_name_use ));
 285
 286                 }
 287
 288                 init_lsa_trans_name(&trn->name[total], &trn->uni_name[total],
 289                                         sid_name_use, name, dom_idx);
 290                 total++;
 291         }
 292
 293         unbecome_root();
 294
 295         trn->num_entries = total;
 296         trn->ptr_trans_names = 1;
 297         trn->num_entries2 = total;
 298 }
 299
 300 /***************************************************************************
 301  Init_reply_lookup_sids.
 302  ***************************************************************************/
 303
 304 static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
 305                 DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
 306                 uint32 mapped_count)
 307 {
 308         r_l->ptr_dom_ref  = 1;
 309         r_l->dom_ref      = ref;
 310         r_l->names        = names;
 311         r_l->mapped_count = mapped_count;
 312 }
 313
 314 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
 315 {
 316         extern DOM_SID global_sid_World;
 317         extern DOM_SID global_sid_Builtin;
 318         DOM_SID local_adm_sid;
 319         DOM_SID adm_sid;
 320
 321         SEC_ACE ace[3];
 322         SEC_ACCESS mask;
 323
 324         SEC_ACL *psa = NULL;
 325
 326         init_sec_access(&mask, POLICY_EXECUTE);
 327         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 328
 329         sid_copy(&adm_sid, get_global_sam_sid());
 330         sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
 331         init_sec_access(&mask, POLICY_ALL_ACCESS);
 332         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 333
 334         sid_copy(&local_adm_sid, &global_sid_Builtin);
 335         sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 336         init_sec_access(&mask, POLICY_ALL_ACCESS);
 337         init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 338
 339         if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 340                 return NT_STATUS_NO_MEMORY;
 341
 342         if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
 343                 return NT_STATUS_NO_MEMORY;
 344
 345         return NT_STATUS_OK;
 346 }
 347
 348 /***************************************************************************
 349  Init_dns_dom_info.
 350 ***************************************************************************/
 351
 352 static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
 353                               const char *dns_name, const char *forest_name,
 354                               struct uuid *dom_guid, DOM_SID *dom_sid)
 355 {
 356         if (nb_name && *nb_name) {
 357                 init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE);
 358                 init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name);
 359                 r_l->hdr_nb_dom_name.uni_max_len += 2;
 360                 r_l->uni_nb_dom_name.uni_max_len += 1;
 361         }
 362
 363         if (dns_name && *dns_name) {
 364                 init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE);
 365                 init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name);
 366                 r_l->hdr_dns_dom_name.uni_max_len += 2;
 367                 r_l->uni_dns_dom_name.uni_max_len += 1;
 368         }
 369
 370         if (forest_name && *forest_name) {
 371                 init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE);
 372                 init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name);
 373                 r_l->hdr_forest_name.uni_max_len += 2;
 374                 r_l->uni_forest_name.uni_max_len += 1;
 375         }
 376
 377         /* how do we init the guid ? probably should write an init fn */
 378         if (dom_guid) {
 379                 memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid));
 380         }
 381
 382         if (dom_sid) {
 383                 r_l->ptr_dom_sid = 1;
 384                 init_dom_sid2(&r_l->dom_sid, dom_sid);
 385         }
 386 }
 387
 388 /***************************************************************************
 389  _lsa_open_policy2.
 390  ***************************************************************************/
 391
 392 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
 393 {
 394         struct lsa_info *info;
 395         SEC_DESC *psd = NULL;
 396         size_t sd_size;
 397         uint32 des_access=q_u->des_access;
 398         uint32 acc_granted;
 399         NTSTATUS status;
 400
 401
 402         /* map the generic bits to the lsa policy ones */
 403         se_map_generic(&des_access, &lsa_generic_mapping);
 404
 405         /* get the generic lsa policy SD until we store it */
 406         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 407
 408         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 409                 if (geteuid() != 0) {
 410                         return status;
 411                 }
 412                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 413                          acc_granted, des_access));
 414                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 415         }
 416
 417         /* This is needed for lsa_open_account and rpcclient .... :-) */
 418
 419         if (geteuid() == 0)
 420                 acc_granted = POLICY_ALL_ACCESS;
 421
 422         /* associate the domain SID with the (unique) handle. */
 423         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 424                 return NT_STATUS_NO_MEMORY;
 425
 426         ZERO_STRUCTP(info);
 427         sid_copy(&info->sid,get_global_sam_sid());
 428         info->access = acc_granted;
 429
 430         /* set up the LSA QUERY INFO response */
 431         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 432                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 433
 434         return NT_STATUS_OK;
 435 }
 436
 437 /***************************************************************************
 438  _lsa_open_policy
 439  ***************************************************************************/
 440
 441 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
 442 {
 443         struct lsa_info *info;
 444         SEC_DESC *psd = NULL;
 445         size_t sd_size;
 446         uint32 des_access=q_u->des_access;
 447         uint32 acc_granted;
 448         NTSTATUS status;
 449
 450
 451         /* map the generic bits to the lsa policy ones */
 452         se_map_generic(&des_access, &lsa_generic_mapping);
 453
 454         /* get the generic lsa policy SD until we store it */
 455         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 456
 457         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 458                 if (geteuid() != 0) {
 459                         return status;
 460                 }
 461                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 462                          acc_granted, des_access));
 463                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 464                 acc_granted = des_access;
 465         }
 466
 467         /* associate the domain SID with the (unique) handle. */
 468         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 469                 return NT_STATUS_NO_MEMORY;
 470
 471         ZERO_STRUCTP(info);
 472         sid_copy(&info->sid,get_global_sam_sid());
 473         info->access = acc_granted;
 474
 475         /* set up the LSA QUERY INFO response */
 476         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 477                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 478
 479         return NT_STATUS_OK;
 480 }
 481
 482 /***************************************************************************
 483  _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
 484  ufff, done :)  mimir
 485  ***************************************************************************/
 486
 487 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u)
 488 {
 489         struct lsa_info *info;
 490         uint32 enum_context = q_u->enum_context;
 491
 492         /*
 493          * preferred length is set to 5 as a "our" preferred length
 494          * nt sets this parameter to 2
 495          * update (20.08.2002): it's not preferred length, but preferred size!
 496          * it needs further investigation how to optimally choose this value
 497          */
 498         uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10;
 499         TRUSTDOM **trust_doms;
 500         uint32 num_domains;
 501         NTSTATUS nt_status;
 502
 503         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
 504                 return NT_STATUS_INVALID_HANDLE;
 505
 506         /* check if the user have enough rights */
 507         if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
 508                 return NT_STATUS_ACCESS_DENIED;
 509
 510         nt_status = secrets_get_trusted_domains(p->mem_ctx, (int *)&enum_context, max_num_domains, (int *)&num_domains, &trust_doms);
 511
 512         if (!NT_STATUS_IS_OK(nt_status) &&
 513             !NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) &&
 514             !NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
 515                 return nt_status;
 516         } else {
 517                 r_u->status = nt_status;
 518         }
 519
 520         /* set up the lsa_enum_trust_dom response */
 521         init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms);
 522
 523         return r_u->status;
 524 }
 525
 526 /***************************************************************************
 527  _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
 528  ***************************************************************************/
 529
 530 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
 531 {
 532         struct lsa_info *handle;
 533         LSA_INFO_UNION *info = &r_u->dom;
 534         DOM_SID domain_sid;
 535         const char *name;
 536         DOM_SID *sid = NULL;
 537
 538         r_u->status = NT_STATUS_OK;
 539
 540         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 541                 return NT_STATUS_INVALID_HANDLE;
 542
 543         switch (q_u->info_class) {
 544         case 0x02:
 545                 {
 546                 unsigned int i;
 547                 /* check if the user have enough rights */
 548                 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
 549                         return NT_STATUS_ACCESS_DENIED;
 550
 551                 /* fake info: We audit everything. ;) */
 552                 info->id2.auditing_enabled = 1;
 553                 info->id2.count1 = 7;
 554                 info->id2.count2 = 7;
 555                 if ((info->id2.auditsettings = TALLOC_ARRAY(p->mem_ctx,uint32, 7)) == NULL)
 556                         return NT_STATUS_NO_MEMORY;
 557                 for (i = 0; i < 7; i++)
 558                         info->id2.auditsettings[i] = 3;
 559                 break;
 560                 }
 561         case 0x03:
 562                 /* check if the user have enough rights */
 563                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 564                         return NT_STATUS_ACCESS_DENIED;
 565
 566                 /* Request PolicyPrimaryDomainInformation. */
 567                 switch (lp_server_role()) {
 568                         case ROLE_DOMAIN_PDC:
 569                         case ROLE_DOMAIN_BDC:
 570                                 name = get_global_sam_name();
 571                                 sid = get_global_sam_sid();
 572                                 break;
 573                         case ROLE_DOMAIN_MEMBER:
 574                                 name = lp_workgroup();
 575                                 /* We need to return the Domain SID here. */
 576                                 if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
 577                                         sid = &domain_sid;
 578                                 else
 579                                         return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 580                                 break;
 581                         case ROLE_STANDALONE:
 582                                 name = lp_workgroup();
 583                                 sid = NULL;
 584                                 break;
 585                         default:
 586                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 587                 }
 588                 init_dom_query(&r_u->dom.id3, name, sid);
 589                 break;
 590         case 0x05:
 591                 /* check if the user have enough rights */
 592                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 593                         return NT_STATUS_ACCESS_DENIED;
 594
 595                 /* Request PolicyAccountDomainInformation. */
 596                 name = get_global_sam_name();
 597                 sid = get_global_sam_sid();
 598                 init_dom_query(&r_u->dom.id5, name, sid);
 599                 break;
 600         case 0x06:
 601                 /* check if the user have enough rights */
 602                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 603                         return NT_STATUS_ACCESS_DENIED;
 604
 605                 switch (lp_server_role()) {
 606                         case ROLE_DOMAIN_BDC:
 607                                 /*
 608                                  * only a BDC is a backup controller
 609                                  * of the domain, it controls.
 610                                  */
 611                                 info->id6.server_role = 2;
 612                                 break;
 613                         default:
 614                                 /*
 615                                  * any other role is a primary
 616                                  * of the domain, it controls.
 617                                  */
 618                                 info->id6.server_role = 3;
 619                                 break;
 620                 }
 621                 break;
 622         default:
 623                 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
 624                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
 625                 break;
 626         }
 627
 628         if (NT_STATUS_IS_OK(r_u->status)) {
 629                 r_u->undoc_buffer = 0x22000000; /* bizarre */
 630                 r_u->info_class = q_u->info_class;
 631         }
 632
 633         return r_u->status;
 634 }
 635
 636 /***************************************************************************
 637  _lsa_lookup_sids
 638  ***************************************************************************/
 639
 640 NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u)
 641 {
 642         struct lsa_info *handle;
 643         DOM_SID2 *sid = q_u->sids.sid;
 644         int num_entries = q_u->sids.num_entries;
 645         DOM_R_REF *ref = NULL;
 646         LSA_TRANS_NAME_ENUM *names = NULL;
 647         uint32 mapped_count = 0;
 648
 649         if (num_entries >  MAX_LOOKUP_SIDS) {
 650                 num_entries = 0;
 651                 DEBUG(5,("_lsa_lookup_sids: limit of %d exceeded, truncating SID lookup list to %d\n", MAX_LOOKUP_SIDS, num_entries));
 652                 r_u->status = NT_STATUS_NONE_MAPPED;
 653         }
 654
 655         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 656         names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM);
 657
 658         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
 659                 r_u->status = NT_STATUS_INVALID_HANDLE;
 660                 goto done;
 661         }
 662
 663         /* check if the user have enough rights */
 664         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 665                 r_u->status = NT_STATUS_ACCESS_DENIED;
 666                 goto done;
 667         }
 668         if (!ref || !names)
 669                 return NT_STATUS_NO_MEMORY;
 670
 671 done:
 672
 673         /* set up the LSA Lookup SIDs response */
 674         init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count);
 675         if (NT_STATUS_IS_OK(r_u->status)) {
 676                 if (mapped_count == 0)
 677                         r_u->status = NT_STATUS_NONE_MAPPED;
 678                 else if (mapped_count != num_entries)
 679                         r_u->status = STATUS_SOME_UNMAPPED;
 680         }
 681         init_reply_lookup_sids(r_u, ref, names, mapped_count);
 682
 683         return r_u->status;
 684 }
 685
 686 /***************************************************************************
 687 lsa_reply_lookup_names
 688  ***************************************************************************/
 689
 690 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
 691 {
 692         struct lsa_info *handle;
 693         UNISTR2 *names = q_u->uni_name;
 694         int num_entries = q_u->num_entries;
 695         DOM_R_REF *ref;
 696         DOM_RID2 *rids;
 697         uint32 mapped_count = 0;
 698
 699         if (num_entries >  MAX_LOOKUP_SIDS) {
 700                 num_entries = MAX_LOOKUP_SIDS;
 701                 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
 702         }
 703
 704         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 705         rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID2, num_entries);
 706
 707         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
 708                 r_u->status = NT_STATUS_INVALID_HANDLE;
 709                 goto done;
 710         }
 711
 712         /* check if the user have enough rights */
 713         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 714                 r_u->status = NT_STATUS_ACCESS_DENIED;
 715                 goto done;
 716         }
 717
 718         if (!ref || !rids)
 719                 return NT_STATUS_NO_MEMORY;
 720
 721 done:
 722
 723         /* set up the LSA Lookup RIDs response */
 724         init_lsa_rid2s(ref, rids, num_entries, names, &mapped_count, p->endian);
 725         if (NT_STATUS_IS_OK(r_u->status)) {
 726                 if (mapped_count == 0)
 727                         r_u->status = NT_STATUS_NONE_MAPPED;
 728                 else if (mapped_count != num_entries)
 729                         r_u->status = STATUS_SOME_UNMAPPED;
 730         }
 731         init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
 732
 733         return r_u->status;
 734 }
 735
 736 /***************************************************************************
 737  _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
 738  ***************************************************************************/
 739
 740 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
 741 {
 742         if (!find_policy_by_hnd(p, &q_u->pol, NULL))
 743                 return NT_STATUS_INVALID_HANDLE;
 744
 745         close_policy_hnd(p, &q_u->pol);
 746         return NT_STATUS_OK;
 747 }
 748
 749 /***************************************************************************
 750   "No more secrets Marty...." :-).
 751  ***************************************************************************/
 752
 753 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
 754 {
 755         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 756 }
 757
 758 /***************************************************************************
 759 _lsa_enum_privs.
 760  ***************************************************************************/
 761
 762 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
 763 {
 764         struct lsa_info *handle;
 765         uint32 i;
 766         uint32 enum_context = q_u->enum_context;
 767         int num_privs = count_all_privileges();
 768         LSA_PRIV_ENTRY *entries = NULL;
 769         LUID_ATTR luid;
 770
 771         /* remember that the enum_context starts at 0 and not 1 */
 772
 773         if ( enum_context >= num_privs )
 774                 return NT_STATUS_NO_MORE_ENTRIES;
 775
 776         DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n",
 777                 enum_context, num_privs));
 778
 779         if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs + 1)))
 780                 return NT_STATUS_NO_MEMORY;
 781
 782         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 783                 return NT_STATUS_INVALID_HANDLE;
 784
 785         /* check if the user have enough rights
 786            I don't know if it's the right one. not documented.  */
 787
 788         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 789                 return NT_STATUS_ACCESS_DENIED;
 790
 791         if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs )) )
 792                 return NT_STATUS_NO_MEMORY;
 793
 794
 795         for (i = 0; i < num_privs; i++) {
 796                 if( i < enum_context) {
 797                         init_unistr2(&entries[i].name, NULL, UNI_FLAGS_NONE);
 798                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
 799
 800                         entries[i].luid_low = 0;
 801                         entries[i].luid_high = 0;
 802                 } else {
 803                         init_unistr2(&entries[i].name, privs[i].name, UNI_FLAGS_NONE);
 804                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
 805
 806                         luid = get_privilege_luid( &privs[i].se_priv );
 807
 808                         entries[i].luid_low = luid.luid.low;
 809                         entries[i].luid_high = luid.luid.high;
 810                 }
 811         }
 812
 813         enum_context = num_privs;
 814
 815         init_lsa_r_enum_privs(r_u, enum_context, num_privs, entries);
 816
 817         return NT_STATUS_OK;
 818 }
 819
 820 /***************************************************************************
 821 _lsa_priv_get_dispname.
 822  ***************************************************************************/
 823
 824 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
 825 {
 826         struct lsa_info *handle;
 827         fstring name_asc;
 828         const char *description;
 829
 830         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 831                 return NT_STATUS_INVALID_HANDLE;
 832
 833         /* check if the user have enough rights */
 834
 835         /*
 836          * I don't know if it's the right one. not documented.
 837          */
 838         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 839                 return NT_STATUS_ACCESS_DENIED;
 840
 841         unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
 842
 843         DEBUG(10,("_lsa_priv_get_dispname: name = %s\n", name_asc));
 844
 845         description = get_privilege_dispname( name_asc );
 846
 847         if ( description ) {
 848                 DEBUG(10,("_lsa_priv_get_dispname: display name = %s\n", description));
 849
 850                 init_unistr2(&r_u->desc, description, UNI_FLAGS_NONE);
 851                 init_uni_hdr(&r_u->hdr_desc, &r_u->desc);
 852
 853                 r_u->ptr_info = 0xdeadbeef;
 854                 r_u->lang_id = q_u->lang_id;
 855
 856                 return NT_STATUS_OK;
 857         } else {
 858                 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
 859
 860                 r_u->ptr_info = 0;
 861
 862                 return NT_STATUS_NO_SUCH_PRIVILEGE;
 863         }
 864 }
 865
 866 /***************************************************************************
 867 _lsa_enum_accounts.
 868  ***************************************************************************/
 869
 870 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
 871 {
 872         struct lsa_info *handle;
 873         DOM_SID *sid_list;
 874         int i, j, num_entries;
 875         LSA_SID_ENUM *sids=&r_u->sids;
 876         NTSTATUS ret;
 877
 878         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 879                 return NT_STATUS_INVALID_HANDLE;
 880
 881         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 882                 return NT_STATUS_ACCESS_DENIED;
 883
 884         sid_list = NULL;
 885         num_entries = 0;
 886
 887         /* The only way we can currently find out all the SIDs that have been
 888            privileged is to scan all privileges */
 889
 890         if (!NT_STATUS_IS_OK(ret = privilege_enumerate_accounts(&sid_list, &num_entries))) {
 891                 return ret;
 892         }
 893
 894         if (q_u->enum_context >= num_entries)
 895                 return NT_STATUS_NO_MORE_ENTRIES;
 896
 897         sids->ptr_sid = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_entries-q_u->enum_context);
 898         sids->sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_entries-q_u->enum_context);
 899
 900         if (sids->ptr_sid==NULL || sids->sid==NULL) {
 901                 SAFE_FREE(sid_list);
 902                 return NT_STATUS_NO_MEMORY;
 903         }
 904
 905         for (i = q_u->enum_context, j = 0; i < num_entries; i++, j++) {
 906                 init_dom_sid2(&(*sids).sid[j], &sid_list[i]);
 907                 (*sids).ptr_sid[j] = 1;
 908         }
 909
 910         SAFE_FREE(sid_list);
 911
 912         init_lsa_r_enum_accounts(r_u, num_entries);
 913
 914         return NT_STATUS_OK;
 915 }
 916
 917
 918 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
 919 {
 920         fstring username, domname;
 921         user_struct *vuser = get_valid_user_struct(p->vuid);
 922
 923         if (vuser == NULL)
 924                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 925
 926         fstrcpy(username, vuser->user.smb_name);
 927         fstrcpy(domname, vuser->user.domain);
 928
 929         r_u->ptr_user_name = 1;
 930         init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE);
 931         init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name);
 932
 933         r_u->unk1 = 1;
 934
 935         r_u->ptr_dom_name = 1;
 936         init_unistr2(&r_u->uni2_dom_name, domname,  UNI_STR_TERMINATE);
 937         init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name);
 938
 939         r_u->status = NT_STATUS_OK;
 940
 941         return r_u->status;
 942 }
 943
 944 /***************************************************************************
 945  Lsa Create Account
 946  ***************************************************************************/
 947
 948 NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *r_u)
 949 {
 950         struct lsa_info *handle;
 951         struct lsa_info *info;
 952
 953         /* find the connection policy handle. */
 954         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 955                 return NT_STATUS_INVALID_HANDLE;
 956
 957         /* check if the user have enough rights */
 958
 959         /*
 960          * I don't know if it's the right one. not documented.
 961          * but guessed with rpcclient.
 962          */
 963         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
 964                 return NT_STATUS_ACCESS_DENIED;
 965
 966         /* check to see if the pipe_user is a Domain Admin since
 967            account_pol.tdb was already opened as root, this is all we have */
 968
 969         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
 970                 return NT_STATUS_ACCESS_DENIED;
 971
 972         if ( is_privileged_sid( &q_u->sid.sid ) )
 973                 return NT_STATUS_OBJECT_NAME_COLLISION;
 974
 975         /* associate the user/group SID with the (unique) handle. */
 976
 977         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 978                 return NT_STATUS_NO_MEMORY;
 979
 980         ZERO_STRUCTP(info);
 981         info->sid = q_u->sid.sid;
 982         info->access = q_u->access;
 983
 984         /* get a (unique) handle.  open a policy on it. */
 985         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 986                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 987
 988         return privilege_create_account( &info->sid );
 989 }
 990
 991
 992 /***************************************************************************
 993  Lsa Open Account
 994  ***************************************************************************/
 995
 996 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
 997 {
 998         struct lsa_info *handle;
 999         struct lsa_info *info;
1000
1001         /* find the connection policy handle. */
1002         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1003                 return NT_STATUS_INVALID_HANDLE;
1004
1005         /* check if the user have enough rights */
1006
1007         /*
1008          * I don't know if it's the right one. not documented.
1009          * but guessed with rpcclient.
1010          */
1011         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1012                 return NT_STATUS_ACCESS_DENIED;
1013
1014         /* TODO: Fis the parsing routine before reenabling this check! */
1015         #if 0
1016         if (!lookup_sid(&handle->sid, dom_name, name, &type))
1017                 return NT_STATUS_ACCESS_DENIED;
1018         #endif
1019         /* associate the user/group SID with the (unique) handle. */
1020         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1021                 return NT_STATUS_NO_MEMORY;
1022
1023         ZERO_STRUCTP(info);
1024         info->sid = q_u->sid.sid;
1025         info->access = q_u->access;
1026
1027         /* get a (unique) handle.  open a policy on it. */
1028         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1029                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1030
1031         return NT_STATUS_OK;
1032 }
1033
1034 /***************************************************************************
1035  For a given SID, enumerate all the privilege this account has.
1036  ***************************************************************************/
1037
1038 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
1039 {
1040         struct lsa_info *info=NULL;
1041         SE_PRIV mask;
1042         PRIVILEGE_SET privileges;
1043
1044         /* find the connection policy handle. */
1045         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1046                 return NT_STATUS_INVALID_HANDLE;
1047
1048         if ( !get_privileges_for_sids( &mask, &info->sid, 1 ) )
1049                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1050
1051         privilege_set_init( &privileges );
1052
1053         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1054
1055                 DEBUG(10,("_lsa_enum_privsaccount: %s has %d privileges\n",
1056                         sid_string_static(&info->sid), privileges.count));
1057
1058                 r_u->status = init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, privileges.set, privileges.count, 0);
1059         }
1060         else
1061                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1062
1063         privilege_set_free( &privileges );
1064
1065         return r_u->status;
1066 }
1067
1068 /***************************************************************************
1069
1070  ***************************************************************************/
1071
1072 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
1073 {
1074         struct lsa_info *info=NULL;
1075         fstring name, dom_name;
1076         enum SID_NAME_USE type;
1077
1078         /* find the connection policy handle. */
1079
1080         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1081                 return NT_STATUS_INVALID_HANDLE;
1082
1083         if (!lookup_sid(&info->sid, dom_name, name, &type))
1084                 return NT_STATUS_ACCESS_DENIED;
1085
1086         /*
1087           0x01 -> Log on locally
1088           0x02 -> Access this computer from network
1089           0x04 -> Log on as a batch job
1090           0x10 -> Log on as a service
1091
1092           they can be ORed together
1093         */
1094
1095         r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK;
1096
1097         return NT_STATUS_OK;
1098 }
1099
1100 /***************************************************************************
1101   update the systemaccount information
1102  ***************************************************************************/
1103
1104 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
1105 {
1106         struct lsa_info *info=NULL;
1107         GROUP_MAP map;
1108         r_u->status = NT_STATUS_OK;
1109
1110         /* find the connection policy handle. */
1111         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1112                 return NT_STATUS_INVALID_HANDLE;
1113
1114         /* check to see if the pipe_user is a Domain Admin since
1115            account_pol.tdb was already opened as root, this is all we have */
1116
1117         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1118                 return NT_STATUS_ACCESS_DENIED;
1119
1120         if (!pdb_getgrsid(&map, info->sid))
1121                 return NT_STATUS_NO_SUCH_GROUP;
1122
1123         if(!pdb_update_group_mapping_entry(&map))
1124                 return NT_STATUS_NO_SUCH_GROUP;
1125
1126         return r_u->status;
1127 }
1128
1129 /***************************************************************************
1130  For a given SID, add some privileges.
1131  ***************************************************************************/
1132
1133 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1134 {
1135         struct lsa_info *info = NULL;
1136         SE_PRIV mask;
1137         PRIVILEGE_SET *set = NULL;
1138         struct current_user user;
1139
1140         /* find the connection policy handle. */
1141         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1142                 return NT_STATUS_INVALID_HANDLE;
1143
1144         /* check to see if the pipe_user is root or a Domain Admin since
1145            account_pol.tdb was already opened as root, this is all we have */
1146
1147         get_current_user( &user, p );
1148         if ( user.uid != sec_initial_uid()
1149                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1150         {
1151                 return NT_STATUS_ACCESS_DENIED;
1152         }
1153
1154         set = &q_u->set;
1155
1156         if ( !privilege_set_to_se_priv( &mask, set ) )
1157                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1158
1159         if ( !grant_privilege( &info->sid, &mask ) ) {
1160                 DEBUG(3,("_lsa_addprivs: grant_privilege(%s) failed!\n",
1161                         sid_string_static(&info->sid) ));
1162                 DEBUG(3,("Privilege mask:\n"));
1163                 dump_se_priv( DBGC_ALL, 3, &mask );
1164                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1165         }
1166
1167         return NT_STATUS_OK;
1168 }
1169
1170 /***************************************************************************
1171  For a given SID, remove some privileges.
1172  ***************************************************************************/
1173
1174 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1175 {
1176         struct lsa_info *info = NULL;
1177         SE_PRIV mask;
1178         PRIVILEGE_SET *set = NULL;
1179         struct current_user user;
1180
1181         /* find the connection policy handle. */
1182         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1183                 return NT_STATUS_INVALID_HANDLE;
1184
1185         /* check to see if the pipe_user is root or a Domain Admin since
1186            account_pol.tdb was already opened as root, this is all we have */
1187
1188         get_current_user( &user, p );
1189         if ( user.uid != sec_initial_uid()
1190                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1191         {
1192                 return NT_STATUS_ACCESS_DENIED;
1193         }
1194
1195         set = &q_u->set;
1196
1197         if ( !privilege_set_to_se_priv( &mask, set ) )
1198                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1199
1200         if ( !revoke_privilege( &info->sid, &mask ) ) {
1201                 DEBUG(3,("_lsa_removeprivs: revoke_privilege(%s) failed!\n",
1202                         sid_string_static(&info->sid) ));
1203                 DEBUG(3,("Privilege mask:\n"));
1204                 dump_se_priv( DBGC_ALL, 3, &mask );
1205                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1206         }
1207
1208         return NT_STATUS_OK;
1209 }
1210
1211 /***************************************************************************
1212  For a given SID, remove some privileges.
1213  ***************************************************************************/
1214
1215 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1216 {
1217         struct lsa_info *handle=NULL;
1218         SEC_DESC *psd = NULL;
1219         size_t sd_size;
1220         NTSTATUS status;
1221
1222         r_u->status = NT_STATUS_OK;
1223
1224         /* find the connection policy handle. */
1225         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1226                 return NT_STATUS_INVALID_HANDLE;
1227
1228         /* check if the user have enough rights */
1229         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1230                 return NT_STATUS_ACCESS_DENIED;
1231
1232
1233         switch (q_u->sec_info) {
1234         case 1:
1235                 /* SD contains only the owner */
1236
1237                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1238                 if(!NT_STATUS_IS_OK(status))
1239                         return NT_STATUS_NO_MEMORY;
1240
1241
1242                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1243                         return NT_STATUS_NO_MEMORY;
1244                 break;
1245         case 4:
1246                 /* SD contains only the ACL */
1247
1248                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1249                 if(!NT_STATUS_IS_OK(status))
1250                         return NT_STATUS_NO_MEMORY;
1251
1252                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1253                         return NT_STATUS_NO_MEMORY;
1254                 break;
1255         default:
1256                 return NT_STATUS_INVALID_LEVEL;
1257         }
1258
1259         r_u->ptr=1;
1260
1261         return r_u->status;
1262 }
1263
1264 /***************************************************************************
1265  ***************************************************************************/
1266
1267 NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
1268 {
1269         struct lsa_info *handle;
1270         const char *nb_name;
1271         char *dns_name = NULL;
1272         char *forest_name = NULL;
1273         DOM_SID *sid = NULL;
1274         struct uuid guid;
1275         fstring dnsdomname;
1276
1277         ZERO_STRUCT(guid);
1278         r_u->status = NT_STATUS_OK;
1279
1280         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1281                 return NT_STATUS_INVALID_HANDLE;
1282
1283         switch (q_u->info_class) {
1284         case 0x0c:
1285                 /* check if the user have enough rights */
1286                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1287                         return NT_STATUS_ACCESS_DENIED;
1288
1289                 /* Request PolicyPrimaryDomainInformation. */
1290                 switch (lp_server_role()) {
1291                         case ROLE_DOMAIN_PDC:
1292                         case ROLE_DOMAIN_BDC:
1293                                 nb_name = get_global_sam_name();
1294                                 /* ugly temp hack for these next two */
1295
1296                                 /* This should be a 'netbios domain -> DNS domain' mapping */
1297                                 dnsdomname[0] = '\0';
1298                                 get_mydnsdomname(dnsdomname);
1299                                 strlower_m(dnsdomname);
1300
1301                                 dns_name = dnsdomname;
1302                                 forest_name = dnsdomname;
1303
1304                                 sid = get_global_sam_sid();
1305                                 secrets_fetch_domain_guid(lp_workgroup(), &guid);
1306                                 break;
1307                         default:
1308                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1309                 }
1310                 init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name,
1311                                   forest_name,&guid,sid);
1312                 break;
1313         default:
1314                 DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
1315                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
1316                 break;
1317         }
1318
1319         if (NT_STATUS_IS_OK(r_u->status)) {
1320                 r_u->ptr = 0x1;
1321                 r_u->info_class = q_u->info_class;
1322         }
1323
1324         return r_u->status;
1325 }
1326
1327 /***************************************************************************
1328  ***************************************************************************/
1329
1330 NTSTATUS _lsa_add_acct_rights(pipes_struct *p, LSA_Q_ADD_ACCT_RIGHTS *q_u, LSA_R_ADD_ACCT_RIGHTS *r_u)
1331 {
1332         struct lsa_info *info = NULL;
1333         int i = 0;
1334         DOM_SID sid;
1335         fstring privname;
1336         UNISTR2_ARRAY *uni_privnames = &q_u->rights;
1337         struct current_user user;
1338
1339
1340         /* find the connection policy handle. */
1341         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1342                 return NT_STATUS_INVALID_HANDLE;
1343
1344         /* check to see if the pipe_user is a Domain Admin since
1345            account_pol.tdb was already opened as root, this is all we have */
1346
1347         get_current_user( &user, p );
1348         if ( user.uid != sec_initial_uid()
1349                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1350         {
1351                 return NT_STATUS_ACCESS_DENIED;
1352         }
1353
1354         /* according to an NT4 PDC, you can add privileges to SIDs even without
1355            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1356
1357         sid_copy( &sid, &q_u->sid.sid );
1358
1359         /* just a little sanity check */
1360
1361         if ( q_u->count != uni_privnames->count ) {
1362                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1363                 return NT_STATUS_INVALID_HANDLE;
1364         }
1365
1366         for ( i=0; i<q_u->count; i++ ) {
1367                 unistr2_to_ascii( privname, &uni_privnames->strings[i].string, sizeof(fstring)-1 );
1368
1369                 /* only try to add non-null strings */
1370
1371                 if ( *privname && !grant_privilege_by_name( &sid, privname ) ) {
1372                         DEBUG(2,("_lsa_add_acct_rights: Failed to add privilege [%s]\n", privname ));
1373                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1374                 }
1375         }
1376
1377         return NT_STATUS_OK;
1378 }
1379
1380 /***************************************************************************
1381  ***************************************************************************/
1382
1383 NTSTATUS _lsa_remove_acct_rights(pipes_struct *p, LSA_Q_REMOVE_ACCT_RIGHTS *q_u, LSA_R_REMOVE_ACCT_RIGHTS *r_u)
1384 {
1385         struct lsa_info *info = NULL;
1386         int i = 0;
1387         DOM_SID sid;
1388         fstring privname;
1389         UNISTR2_ARRAY *uni_privnames = &q_u->rights;
1390         struct current_user user;
1391
1392
1393         /* find the connection policy handle. */
1394         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1395                 return NT_STATUS_INVALID_HANDLE;
1396
1397         /* check to see if the pipe_user is a Domain Admin since
1398            account_pol.tdb was already opened as root, this is all we have */
1399
1400         get_current_user( &user, p );
1401         if ( user.uid != sec_initial_uid()
1402                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1403         {
1404                 return NT_STATUS_ACCESS_DENIED;
1405         }
1406
1407         sid_copy( &sid, &q_u->sid.sid );
1408
1409         if ( q_u->removeall ) {
1410                 if ( !revoke_all_privileges( &sid ) )
1411                         return NT_STATUS_ACCESS_DENIED;
1412
1413                 return NT_STATUS_OK;
1414         }
1415
1416         /* just a little sanity check */
1417
1418         if ( q_u->count != uni_privnames->count ) {
1419                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1420                 return NT_STATUS_INVALID_HANDLE;
1421         }
1422
1423         for ( i=0; i<q_u->count; i++ ) {
1424                 unistr2_to_ascii( privname, &uni_privnames->strings[i].string, sizeof(fstring)-1 );
1425
1426                 /* only try to add non-null strings */
1427
1428                 if ( *privname && !revoke_privilege_by_name( &sid, privname ) ) {
1429                         DEBUG(2,("_lsa_remove_acct_rights: Failed to revoke privilege [%s]\n", privname ));
1430                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1431                 }
1432         }
1433
1434         return NT_STATUS_OK;
1435 }
1436
1437
1438 NTSTATUS _lsa_enum_acct_rights(pipes_struct *p, LSA_Q_ENUM_ACCT_RIGHTS *q_u, LSA_R_ENUM_ACCT_RIGHTS *r_u)
1439 {
1440         struct lsa_info *info = NULL;
1441         DOM_SID sid;
1442         PRIVILEGE_SET privileges;
1443         SE_PRIV mask;
1444
1445
1446         /* find the connection policy handle. */
1447
1448         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1449                 return NT_STATUS_INVALID_HANDLE;
1450
1451         /* according to an NT4 PDC, you can add privileges to SIDs even without
1452            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1453
1454         sid_copy( &sid, &q_u->sid.sid );
1455
1456         if ( !get_privileges_for_sids( &mask, &sid, 1 ) )
1457                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1458
1459         privilege_set_init( &privileges );
1460
1461         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1462
1463                 DEBUG(10,("_lsa_enum_acct_rights: %s has %d privileges\n",
1464                         sid_string_static(&sid), privileges.count));
1465
1466                 r_u->status = init_r_enum_acct_rights( r_u, &privileges );
1467         }
1468         else
1469                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1470
1471         privilege_set_free( &privileges );
1472
1473         return r_u->status;
1474 }
1475
1476