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  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /* This is the implementation of the lsa server code. */
  26
  27 #include "includes.h"
  28
  29 #undef DBGC_CLASS
  30 #define DBGC_CLASS DBGC_RPC_SRV
  31
  32 extern fstring global_myworkgroup;
  33 extern pstring global_myname;
  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, char *dom_name, DOM_SID *dom_sid)
  64 {
  65         int domlen = (dom_name != NULL) ? strlen(dom_name) : 0;
  66
  67         /*
  68          * I'm not sure why this really odd combination of length
  69          * values works, but it does appear to. I need to look at
  70          * this *much* more closely - but at the moment leave alone
  71          * until it's understood. This allows a W2k client to join
  72          * a domain with both odd and even length names... JRA.
  73          */
  74
  75         d_q->uni_dom_str_len = domlen ? ((domlen + 1) * 2) : 0;
  76         d_q->uni_dom_max_len = domlen * 2;
  77         d_q->buffer_dom_name = domlen != 0 ? 1 : 0; /* domain buffer pointer */
  78         d_q->buffer_dom_sid = dom_sid != NULL ? 1 : 0;  /* domain sid pointer */
  79
  80         /* this string is supposed to be character short */
  81         init_unistr2(&d_q->uni_domain_name, dom_name, domlen);
  82         d_q->uni_domain_name.uni_max_len++;
  83
  84         if (dom_sid != NULL)
  85                 init_dom_sid2(&d_q->dom_sid, dom_sid);
  86 }
  87
  88 /***************************************************************************
  89  init_dom_ref - adds a domain if it's not already in, returns the index.
  90 ***************************************************************************/
  91
  92 static int init_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid)
  93 {
  94         int num = 0;
  95         int len;
  96
  97         if (dom_name != NULL) {
  98                 for (num = 0; num < ref->num_ref_doms_1; num++) {
  99                         fstring domname;
 100                         rpcstr_pull(domname, &ref->ref_dom[num].uni_dom_name, sizeof(domname), -1, 0);
 101                         if (strequal(domname, dom_name))
 102                                 return num;
 103                 }
 104         } else {
 105                 num = ref->num_ref_doms_1;
 106         }
 107
 108         if (num >= MAX_REF_DOMAINS) {
 109                 /* index not found, already at maximum domain limit */
 110                 return -1;
 111         }
 112
 113         ref->num_ref_doms_1 = num+1;
 114         ref->ptr_ref_dom  = 1;
 115         ref->max_entries = MAX_REF_DOMAINS;
 116         ref->num_ref_doms_2 = num+1;
 117
 118         len = (dom_name != NULL) ? strlen(dom_name) : 0;
 119         if(dom_name != NULL && len == 0)
 120                 len = 1;
 121
 122         init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, len);
 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, len);
 126         init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
 127
 128         return num;
 129 }
 130
 131 /***************************************************************************
 132  init_lsa_rid2s
 133  ***************************************************************************/
 134
 135 static void init_lsa_rid2s(DOM_R_REF *ref, DOM_RID2 *rid2,
 136                                 int num_entries, UNISTR2 *name,
 137                                 uint32 *mapped_count, BOOL endian)
 138 {
 139         int i;
 140         int total = 0;
 141         *mapped_count = 0;
 142
 143         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 144
 145         become_root(); /* lookup_name can require root privs */
 146
 147         for (i = 0; i < num_entries; i++) {
 148                 BOOL status = False;
 149                 DOM_SID sid;
 150                 uint32 rid = 0xffffffff;
 151                 int dom_idx = -1;
 152                 pstring full_name;
 153                 fstring dom_name, user;
 154                 enum SID_NAME_USE name_type = SID_NAME_UNKNOWN;
 155
 156                 /* Split name into domain and user component */
 157
 158                 unistr2_to_ascii(full_name, &name[i], sizeof(full_name));
 159                 split_domain_name(full_name, dom_name, user);
 160
 161                 /* Lookup name */
 162
 163                 DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name));
 164
 165                 status = lookup_name(dom_name, user, &sid, &name_type);
 166
 167                 DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" :
 168                           "not found"));
 169
 170                 if (status && name_type != SID_NAME_UNKNOWN) {
 171                         sid_split_rid(&sid, &rid);
 172                         dom_idx = init_dom_ref(ref, dom_name, &sid);
 173                         (*mapped_count)++;
 174                 } else {
 175                         dom_idx = -1;
 176                         rid = 0xffffffff;
 177                         name_type = SID_NAME_UNKNOWN;
 178                 }
 179
 180                 init_dom_rid2(&rid2[total], rid, name_type, dom_idx);
 181                 total++;
 182         }
 183
 184         unbecome_root();
 185 }
 186
 187 /***************************************************************************
 188  init_reply_lookup_names
 189  ***************************************************************************/
 190
 191 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
 192                 DOM_R_REF *ref, uint32 num_entries,
 193                 DOM_RID2 *rid2, uint32 mapped_count)
 194 {
 195         r_l->ptr_dom_ref  = 1;
 196         r_l->dom_ref      = ref;
 197
 198         r_l->num_entries  = num_entries;
 199         r_l->ptr_entries  = 1;
 200         r_l->num_entries2 = num_entries;
 201         r_l->dom_rid      = rid2;
 202
 203         r_l->mapped_count = mapped_count;
 204
 205         if (mapped_count == 0)
 206                 r_l->status = NT_STATUS_NONE_MAPPED;
 207         else
 208                 r_l->status = NT_STATUS_OK;
 209 }
 210
 211 /***************************************************************************
 212  Init lsa_trans_names.
 213  ***************************************************************************/
 214
 215 static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn,
 216                                  int num_entries, DOM_SID2 *sid,
 217                                  uint32 *mapped_count)
 218 {
 219         int i;
 220         int total = 0;
 221         *mapped_count = 0;
 222
 223         /* Allocate memory for list of names */
 224
 225         if (num_entries > 0) {
 226                 if (!(trn->name = (LSA_TRANS_NAME *)talloc(ctx, sizeof(LSA_TRANS_NAME) *
 227                                                           num_entries))) {
 228                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 229                         return;
 230                 }
 231
 232                 if (!(trn->uni_name = (UNISTR2 *)talloc(ctx, sizeof(UNISTR2) *
 233                                                         num_entries))) {
 234                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 235                         return;
 236                 }
 237         }
 238
 239         become_root(); /* Need root to get to passdb to for local sids */
 240
 241         for (i = 0; i < num_entries; i++) {
 242                 BOOL status = False;
 243                 DOM_SID find_sid = sid[i].sid;
 244                 uint32 rid = 0xffffffff;
 245                 int dom_idx = -1;
 246                 fstring name, dom_name;
 247                 enum SID_NAME_USE sid_name_use = (enum SID_NAME_USE)0;
 248
 249                 sid_to_string(name, &find_sid);
 250                 DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n", name));
 251
 252                 /* Lookup sid from winbindd */
 253
 254                 memset(dom_name, '\0', sizeof(dom_name));
 255                 memset(name, '\0', sizeof(name));
 256
 257                 status = lookup_sid(&find_sid, dom_name, name, &sid_name_use);
 258
 259                 DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" :
 260                           "not found"));
 261
 262                 if (!status) {
 263                         sid_name_use = SID_NAME_UNKNOWN;
 264                 } else {
 265                         (*mapped_count)++;
 266                 }
 267
 268                 /* Store domain sid in ref array */
 269
 270                 if (find_sid.num_auths == 5) {
 271                         sid_split_rid(&find_sid, &rid);
 272                 }
 273
 274                 dom_idx = init_dom_ref(ref, dom_name, &find_sid);
 275
 276                 DEBUG(10,("init_lsa_trans_names: added user '%s\\%s' to "
 277                           "referenced list.\n", dom_name, name ));
 278
 279                 init_lsa_trans_name(&trn->name[total], &trn->uni_name[total],
 280                                         sid_name_use, name, dom_idx);
 281                 total++;
 282         }
 283
 284         unbecome_root();
 285
 286         trn->num_entries = total;
 287         trn->ptr_trans_names = 1;
 288         trn->num_entries2 = total;
 289 }
 290
 291 /***************************************************************************
 292  Init_reply_lookup_sids.
 293  ***************************************************************************/
 294
 295 static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
 296                 DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
 297                 uint32 mapped_count)
 298 {
 299         r_l->ptr_dom_ref  = 1;
 300         r_l->dom_ref      = ref;
 301         r_l->names        = names;
 302         r_l->mapped_count = mapped_count;
 303
 304         if (mapped_count == 0)
 305                 r_l->status = NT_STATUS_NONE_MAPPED;
 306         else
 307                 r_l->status = NT_STATUS_OK;
 308 }
 309
 310 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
 311 {
 312         extern DOM_SID global_sid_World;
 313         extern DOM_SID global_sid_Builtin;
 314         DOM_SID local_adm_sid;
 315         DOM_SID adm_sid;
 316
 317         SEC_ACE ace[3];
 318         SEC_ACCESS mask;
 319
 320         SEC_ACL *psa = NULL;
 321
 322         init_sec_access(&mask, POLICY_EXECUTE);
 323         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 324
 325         sid_copy(&adm_sid, get_global_sam_sid());
 326         sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
 327         init_sec_access(&mask, POLICY_ALL_ACCESS);
 328         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 329
 330         sid_copy(&local_adm_sid, &global_sid_Builtin);
 331         sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 332         init_sec_access(&mask, POLICY_ALL_ACCESS);
 333         init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 334
 335         if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 336                 return NT_STATUS_NO_MEMORY;
 337
 338         if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
 339                 return NT_STATUS_NO_MEMORY;
 340
 341         return NT_STATUS_OK;
 342 }
 343
 344 /***************************************************************************
 345  _lsa_open_policy2.
 346  ***************************************************************************/
 347
 348 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
 349 {
 350         struct lsa_info *info;
 351         SEC_DESC *psd = NULL;
 352         size_t sd_size;
 353         uint32 des_access=q_u->des_access;
 354         uint32 acc_granted;
 355         NTSTATUS status;
 356
 357
 358         /* map the generic bits to the lsa policy ones */
 359         se_map_generic(&des_access, &lsa_generic_mapping);
 360
 361         /* get the generic lsa policy SD until we store it */
 362         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 363
 364         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status))
 365                 return status;
 366
 367         /* associate the domain SID with the (unique) handle. */
 368         if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL)
 369                 return NT_STATUS_NO_MEMORY;
 370
 371         ZERO_STRUCTP(info);
 372         sid_copy(&info->sid,get_global_sam_sid());
 373         info->access = acc_granted;
 374
 375         /* set up the LSA QUERY INFO response */
 376         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 377                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 378
 379         return NT_STATUS_OK;
 380 }
 381
 382 /***************************************************************************
 383  _lsa_open_policy
 384  ***************************************************************************/
 385
 386 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
 387 {
 388         struct lsa_info *info;
 389         SEC_DESC *psd = NULL;
 390         size_t sd_size;
 391         uint32 des_access=q_u->des_access;
 392         uint32 acc_granted;
 393         NTSTATUS status;
 394
 395
 396         /* map the generic bits to the lsa policy ones */
 397         se_map_generic(&des_access, &lsa_generic_mapping);
 398
 399         /* get the generic lsa policy SD until we store it */
 400         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 401
 402         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status))
 403                 return status;
 404
 405         /* associate the domain SID with the (unique) handle. */
 406         if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL)
 407                 return NT_STATUS_NO_MEMORY;
 408
 409         ZERO_STRUCTP(info);
 410         sid_copy(&info->sid,get_global_sam_sid());
 411         info->access = acc_granted;
 412
 413         /* set up the LSA QUERY INFO response */
 414         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 415                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 416
 417         return NT_STATUS_OK;
 418 }
 419
 420 /***************************************************************************
 421  _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
 422  ufff, done :)  mimir
 423  ***************************************************************************/
 424
 425 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u)
 426 {
 427         struct lsa_info *info;
 428         uint32 enum_context = q_u->enum_context;
 429
 430         /*
 431          * preferred length is set to 5 as a "our" preferred length
 432          * nt sets this parameter to 2
 433          */
 434         uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10;
 435         TRUSTDOM **trust_doms;
 436         uint32 num_domains;
 437         NTSTATUS nt_status;
 438
 439         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
 440                 return NT_STATUS_INVALID_HANDLE;
 441
 442         /* check if the user have enough rights */
 443         if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
 444                 return NT_STATUS_ACCESS_DENIED;
 445
 446         nt_status = secrets_get_trusted_domains(p->mem_ctx, &enum_context, max_num_domains, &num_domains, &trust_doms);
 447
 448         if (!NT_STATUS_IS_OK(nt_status) &&
 449             !NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) &&
 450             !NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
 451                 return nt_status;
 452         } else {
 453                 r_u->status = nt_status;
 454         }
 455
 456         /* set up the lsa_enum_trust_dom response */
 457         init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms);
 458
 459         return r_u->status;
 460 }
 461
 462 /***************************************************************************
 463  _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
 464  ***************************************************************************/
 465
 466 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
 467 {
 468         struct lsa_info *handle;
 469         LSA_INFO_UNION *info = &r_u->dom;
 470         DOM_SID domain_sid;
 471         char *name = NULL;
 472         DOM_SID *sid = NULL;
 473
 474         r_u->status = NT_STATUS_OK;
 475
 476         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 477                 return NT_STATUS_INVALID_HANDLE;
 478
 479         switch (q_u->info_class) {
 480         case 0x02:
 481                 {
 482                 unsigned int i;
 483                 /* check if the user have enough rights */
 484                 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
 485                         return NT_STATUS_ACCESS_DENIED;
 486
 487                 /* fake info: We audit everything. ;) */
 488                 info->id2.auditing_enabled = 1;
 489                 info->id2.count1 = 7;
 490                 info->id2.count2 = 7;
 491                 if ((info->id2.auditsettings = (uint32 *)talloc(p->mem_ctx,7*sizeof(uint32))) == NULL)
 492                         return NT_STATUS_NO_MEMORY;
 493                 for (i = 0; i < 7; i++)
 494                         info->id2.auditsettings[i] = 3;
 495                 break;
 496                 }
 497         case 0x03:
 498                 /* check if the user have enough rights */
 499                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 500                         return NT_STATUS_ACCESS_DENIED;
 501
 502                 /* Request PolicyPrimaryDomainInformation. */
 503                 switch (lp_server_role()) {
 504                         case ROLE_DOMAIN_PDC:
 505                         case ROLE_DOMAIN_BDC:
 506                                 name = global_myworkgroup;
 507                                 sid = get_global_sam_sid();
 508                                 break;
 509                         case ROLE_DOMAIN_MEMBER:
 510                                 name = global_myworkgroup;
 511                                 /* We need to return the Domain SID here. */
 512                                 if (secrets_fetch_domain_sid(global_myworkgroup,
 513                                                              &domain_sid))
 514                                         sid = &domain_sid;
 515                                 else
 516                                         return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 517                                 break;
 518                         case ROLE_STANDALONE:
 519                                 name = global_myworkgroup;
 520                                 sid = NULL;
 521                                 break;
 522                         default:
 523                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 524                 }
 525                 init_dom_query(&r_u->dom.id3, name, sid);
 526                 break;
 527         case 0x05:
 528                 /* check if the user have enough rights */
 529                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 530                         return NT_STATUS_ACCESS_DENIED;
 531
 532                 /* Request PolicyAccountDomainInformation. */
 533                 switch (lp_server_role()) {
 534                         case ROLE_DOMAIN_PDC:
 535                         case ROLE_DOMAIN_BDC:
 536                                 name = global_myworkgroup;
 537                                 sid = get_global_sam_sid();
 538                                 break;
 539                         case ROLE_DOMAIN_MEMBER:
 540                                 name = global_myname;
 541                                 sid = get_global_sam_sid();
 542                                 break;
 543                         case ROLE_STANDALONE:
 544                                 name = global_myname;
 545                                 sid = get_global_sam_sid();
 546                                 break;
 547                         default:
 548                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 549                 }
 550                 init_dom_query(&r_u->dom.id5, name, sid);
 551                 break;
 552         case 0x06:
 553                 /* check if the user have enough rights */
 554                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 555                         return NT_STATUS_ACCESS_DENIED;
 556
 557                 switch (lp_server_role()) {
 558                         case ROLE_DOMAIN_BDC:
 559                                 /*
 560                                  * only a BDC is a backup controller
 561                                  * of the domain, it controls.
 562                                  */
 563                                 info->id6.server_role = 2;
 564                                 break;
 565                         default:
 566                                 /*
 567                                  * any other role is a primary
 568                                  * of the domain, it controls.
 569                                  */
 570                                 info->id6.server_role = 3;
 571                                 break;
 572                 }
 573                 break;
 574         default:
 575                 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
 576                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
 577                 break;
 578         }
 579
 580         if (NT_STATUS_IS_OK(r_u->status)) {
 581                 r_u->undoc_buffer = 0x22000000; /* bizarre */
 582                 r_u->info_class = q_u->info_class;
 583         }
 584
 585         return r_u->status;
 586 }
 587
 588 /***************************************************************************
 589  _lsa_lookup_sids
 590  ***************************************************************************/
 591
 592 NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u)
 593 {
 594         struct lsa_info *handle;
 595         DOM_SID2 *sid = q_u->sids.sid;
 596         int num_entries = q_u->sids.num_entries;
 597         DOM_R_REF *ref = NULL;
 598         LSA_TRANS_NAME_ENUM *names = NULL;
 599         uint32 mapped_count = 0;
 600
 601         ref = (DOM_R_REF *)talloc_zero(p->mem_ctx, sizeof(DOM_R_REF));
 602         names = (LSA_TRANS_NAME_ENUM *)talloc_zero(p->mem_ctx, sizeof(LSA_TRANS_NAME_ENUM));
 603
 604         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
 605                 r_u->status = NT_STATUS_INVALID_HANDLE;
 606                 goto done;
 607         }
 608
 609         /* check if the user have enough rights */
 610         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 611                 r_u->status = NT_STATUS_ACCESS_DENIED;
 612                 goto done;
 613         }
 614         if (!ref || !names)
 615                 return NT_STATUS_NO_MEMORY;
 616
 617 done:
 618
 619         /* set up the LSA Lookup SIDs response */
 620         init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count);
 621         init_reply_lookup_sids(r_u, ref, names, mapped_count);
 622
 623         return r_u->status;
 624 }
 625
 626 /***************************************************************************
 627 lsa_reply_lookup_names
 628  ***************************************************************************/
 629
 630 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
 631 {
 632         struct lsa_info *handle;
 633         UNISTR2 *names = q_u->uni_name;
 634         int num_entries = q_u->num_entries;
 635         DOM_R_REF *ref;
 636         DOM_RID2 *rids;
 637         uint32 mapped_count = 0;
 638
 639         if (num_entries >  MAX_LOOKUP_SIDS) {
 640                 num_entries = MAX_LOOKUP_SIDS;
 641                 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
 642         }
 643
 644         ref = (DOM_R_REF *)talloc_zero(p->mem_ctx, sizeof(DOM_R_REF));
 645         rids = (DOM_RID2 *)talloc_zero(p->mem_ctx, sizeof(DOM_RID2)*num_entries);
 646
 647         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
 648                 r_u->status = NT_STATUS_INVALID_HANDLE;
 649                 goto done;
 650         }
 651
 652         /* check if the user have enough rights */
 653         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 654                 r_u->status = NT_STATUS_ACCESS_DENIED;
 655                 goto done;
 656         }
 657
 658         if (!ref || !rids)
 659                 return NT_STATUS_NO_MEMORY;
 660
 661 done:
 662
 663         /* set up the LSA Lookup RIDs response */
 664         init_lsa_rid2s(ref, rids, num_entries, names, &mapped_count, p->endian);
 665         init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
 666
 667         return r_u->status;
 668 }
 669
 670 /***************************************************************************
 671  _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
 672  ***************************************************************************/
 673
 674 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
 675 {
 676         if (!find_policy_by_hnd(p, &q_u->pol, NULL))
 677                 return NT_STATUS_INVALID_HANDLE;
 678
 679         close_policy_hnd(p, &q_u->pol);
 680         return NT_STATUS_OK;
 681 }
 682
 683 /***************************************************************************
 684   "No more secrets Marty...." :-).
 685  ***************************************************************************/
 686
 687 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
 688 {
 689         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 690 }
 691
 692 /***************************************************************************
 693 _lsa_enum_privs.
 694  ***************************************************************************/
 695
 696 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
 697 {
 698         struct lsa_info *handle;
 699         uint32 i;
 700
 701         uint32 enum_context=q_u->enum_context;
 702         LSA_PRIV_ENTRY *entry;
 703         LSA_PRIV_ENTRY *entries=NULL;
 704
 705         if (enum_context >= PRIV_ALL_INDEX)
 706                 return NT_STATUS_NO_MORE_ENTRIES;
 707
 708         entries = (LSA_PRIV_ENTRY *)talloc_zero(p->mem_ctx, sizeof(LSA_PRIV_ENTRY) * (PRIV_ALL_INDEX));
 709         if (entries==NULL)
 710                 return NT_STATUS_NO_MEMORY;
 711
 712         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 713                 return NT_STATUS_INVALID_HANDLE;
 714
 715         /* check if the user have enough rights */
 716
 717         /*
 718          * I don't know if it's the right one. not documented.
 719          */
 720         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 721                 return NT_STATUS_ACCESS_DENIED;
 722
 723         entry = entries;
 724
 725         DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n", enum_context, PRIV_ALL_INDEX));
 726
 727         for (i = 0; i < PRIV_ALL_INDEX; i++, entry++) {
 728                 if( i<enum_context) {
 729                         init_uni_hdr(&entry->hdr_name, 0);
 730                         init_unistr2(&entry->name, NULL, 0 );
 731                         entry->luid_low = 0;
 732                         entry->luid_high = 0;
 733                 } else {
 734                         init_uni_hdr(&entry->hdr_name, strlen(privs[i+1].priv));
 735                         init_unistr2(&entry->name, privs[i+1].priv, strlen(privs[i+1].priv) );
 736                         entry->luid_low = privs[i+1].se_priv;
 737                         entry->luid_high = 0;
 738                 }
 739         }
 740
 741         enum_context = PRIV_ALL_INDEX;
 742         init_lsa_r_enum_privs(r_u, enum_context, PRIV_ALL_INDEX, entries);
 743
 744         return NT_STATUS_OK;
 745 }
 746
 747 /***************************************************************************
 748 _lsa_priv_get_dispname.
 749  ***************************************************************************/
 750
 751 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
 752 {
 753         struct lsa_info *handle;
 754         fstring name_asc;
 755         int i=1;
 756
 757         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 758                 return NT_STATUS_INVALID_HANDLE;
 759
 760         /* check if the user have enough rights */
 761
 762         /*
 763          * I don't know if it's the right one. not documented.
 764          */
 765         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 766                 return NT_STATUS_ACCESS_DENIED;
 767
 768         unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
 769
 770         DEBUG(10,("_lsa_priv_get_dispname: %s", name_asc));
 771
 772         while (privs[i].se_priv!=SE_PRIV_ALL && strcmp(name_asc, privs[i].priv))
 773                 i++;
 774
 775         if (privs[i].se_priv!=SE_PRIV_ALL) {
 776                 DEBUG(10,(": %s\n", privs[i].description));
 777                 init_uni_hdr(&r_u->hdr_desc, strlen(privs[i].description));
 778                 init_unistr2(&r_u->desc, privs[i].description, strlen(privs[i].description) );
 779
 780                 r_u->ptr_info=0xdeadbeef;
 781                 r_u->lang_id=q_u->lang_id;
 782                 return NT_STATUS_OK;
 783         } else {
 784                 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
 785                 r_u->ptr_info=0;
 786                 return NT_STATUS_NO_SUCH_PRIVILEGE;
 787         }
 788 }
 789
 790 /***************************************************************************
 791 _lsa_enum_accounts.
 792  ***************************************************************************/
 793
 794 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
 795 {
 796         struct lsa_info *handle;
 797         GROUP_MAP *map=NULL;
 798         int num_entries=0;
 799         LSA_SID_ENUM *sids=&r_u->sids;
 800         int i=0,j=0;
 801
 802         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 803                 return NT_STATUS_INVALID_HANDLE;
 804
 805         /* check if the user have enough rights */
 806
 807         /*
 808          * I don't know if it's the right one. not documented.
 809          */
 810         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 811                 return NT_STATUS_ACCESS_DENIED;
 812
 813         /* get the list of mapped groups (domain, local, builtin) */
 814         if(!enum_group_mapping(SID_NAME_UNKNOWN, &map, &num_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV))
 815                 return NT_STATUS_OK;
 816
 817         if (q_u->enum_context >= num_entries)
 818                 return NT_STATUS_NO_MORE_ENTRIES;
 819
 820         sids->ptr_sid = (uint32 *)talloc_zero(p->mem_ctx, (num_entries-q_u->enum_context)*sizeof(uint32));
 821         sids->sid = (DOM_SID2 *)talloc_zero(p->mem_ctx, (num_entries-q_u->enum_context)*sizeof(DOM_SID2));
 822
 823         if (sids->ptr_sid==NULL || sids->sid==NULL) {
 824                 SAFE_FREE(map);
 825                 return NT_STATUS_NO_MEMORY;
 826         }
 827
 828         for (i=q_u->enum_context, j=0; i<num_entries; i++) {
 829                 init_dom_sid2( &(*sids).sid[j],  &map[i].sid);
 830                 (*sids).ptr_sid[j]=1;
 831                 j++;
 832         }
 833
 834         SAFE_FREE(map);
 835
 836         init_lsa_r_enum_accounts(r_u, j);
 837
 838         return NT_STATUS_OK;
 839 }
 840
 841
 842 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
 843 {
 844         fstring username, domname;
 845         int ulen, dlen;
 846         user_struct *vuser = get_valid_user_struct(p->vuid);
 847
 848         if (vuser == NULL)
 849                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 850
 851         fstrcpy(username, vuser->user.smb_name);
 852         fstrcpy(domname, vuser->user.domain);
 853
 854         ulen = strlen(username) + 1;
 855         dlen = strlen(domname) + 1;
 856
 857         init_uni_hdr(&r_u->hdr_user_name, ulen);
 858         r_u->ptr_user_name = 1;
 859         init_unistr2(&r_u->uni2_user_name, username, ulen);
 860
 861         r_u->unk1 = 1;
 862
 863         init_uni_hdr(&r_u->hdr_dom_name, dlen);
 864         r_u->ptr_dom_name = 1;
 865         init_unistr2(&r_u->uni2_dom_name, domname, dlen);
 866
 867         r_u->status = NT_STATUS_OK;
 868
 869         return r_u->status;
 870 }
 871
 872 /***************************************************************************
 873
 874  ***************************************************************************/
 875
 876 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
 877 {
 878         struct lsa_info *handle;
 879         struct lsa_info *info;
 880
 881         r_u->status = NT_STATUS_OK;
 882
 883         /* find the connection policy handle. */
 884         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 885                 return NT_STATUS_INVALID_HANDLE;
 886
 887         /* check if the user have enough rights */
 888
 889         /*
 890          * I don't know if it's the right one. not documented.
 891          * but guessed with rpcclient.
 892          */
 893         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
 894                 return NT_STATUS_ACCESS_DENIED;
 895
 896         /* associate the user/group SID with the (unique) handle. */
 897         if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL)
 898                 return NT_STATUS_NO_MEMORY;
 899
 900         ZERO_STRUCTP(info);
 901         info->sid = q_u->sid.sid;
 902         info->access = q_u->access;
 903
 904         /* get a (unique) handle.  open a policy on it. */
 905         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 906                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 907
 908         return r_u->status;
 909 }
 910
 911 /***************************************************************************
 912  For a given SID, enumerate all the privilege this account has.
 913  ***************************************************************************/
 914
 915 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
 916 {
 917         struct lsa_info *info=NULL;
 918         GROUP_MAP map;
 919         int i=0;
 920
 921         LUID_ATTR *set=NULL;
 922
 923         r_u->status = NT_STATUS_OK;
 924
 925         /* find the connection policy handle. */
 926         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
 927                 return NT_STATUS_INVALID_HANDLE;
 928
 929         if (!get_group_map_from_sid(info->sid, &map, MAPPING_WITH_PRIV))
 930                 return NT_STATUS_NO_SUCH_GROUP;
 931
 932         DEBUG(10,("_lsa_enum_privsaccount: %d privileges\n", map.priv_set.count));
 933         if (map.priv_set.count!=0) {
 934
 935                 set=(LUID_ATTR *)talloc(p->mem_ctx, map.priv_set.count*sizeof(LUID_ATTR));
 936                 if (set == NULL) {
 937                         free_privilege(&map.priv_set);
 938                         return NT_STATUS_NO_MEMORY;
 939                 }
 940
 941                 for (i=0; i<map.priv_set.count; i++) {
 942                         set[i].luid.low=map.priv_set.set[i].luid.low;
 943                         set[i].luid.high=map.priv_set.set[i].luid.high;
 944                         set[i].attr=map.priv_set.set[i].attr;
 945                         DEBUG(10,("_lsa_enum_privsaccount: priv %d: %d:%d:%d\n", i,
 946                                    set[i].luid.high, set[i].luid.low, set[i].attr));
 947                 }
 948         }
 949
 950         init_lsa_r_enum_privsaccount(r_u, set, map.priv_set.count, 0);
 951         free_privilege(&map.priv_set);
 952
 953         return r_u->status;
 954 }
 955
 956 /***************************************************************************
 957
 958  ***************************************************************************/
 959
 960 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
 961 {
 962         struct lsa_info *info=NULL;
 963         GROUP_MAP map;
 964         r_u->status = NT_STATUS_OK;
 965
 966         /* find the connection policy handle. */
 967         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
 968                 return NT_STATUS_INVALID_HANDLE;
 969
 970         if (!get_group_map_from_sid(info->sid, &map, MAPPING_WITHOUT_PRIV))
 971                 return NT_STATUS_NO_SUCH_GROUP;
 972
 973         /*
 974           0x01 -> Log on locally
 975           0x02 -> Access this computer from network
 976           0x04 -> Log on as a batch job
 977           0x10 -> Log on as a service
 978
 979           they can be ORed together
 980         */
 981
 982         r_u->access=map.systemaccount;
 983
 984         return r_u->status;
 985 }
 986
 987 /***************************************************************************
 988   update the systemaccount information
 989  ***************************************************************************/
 990
 991 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
 992 {
 993         struct lsa_info *info=NULL;
 994         GROUP_MAP map;
 995         r_u->status = NT_STATUS_OK;
 996
 997         /* find the connection policy handle. */
 998         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
 999                 return NT_STATUS_INVALID_HANDLE;
1000
1001         if (!get_group_map_from_sid(info->sid, &map, MAPPING_WITH_PRIV))
1002                 return NT_STATUS_NO_SUCH_GROUP;
1003
1004         map.systemaccount=q_u->access;
1005
1006         if(!add_mapping_entry(&map, TDB_REPLACE))
1007                 return NT_STATUS_NO_SUCH_GROUP;
1008
1009         free_privilege(&map.priv_set);
1010
1011         return r_u->status;
1012 }
1013
1014 /***************************************************************************
1015  For a given SID, add some privileges.
1016  ***************************************************************************/
1017
1018 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1019 {
1020         struct lsa_info *info=NULL;
1021         GROUP_MAP map;
1022         int i=0;
1023
1024         LUID_ATTR *luid_attr=NULL;
1025         PRIVILEGE_SET *set=NULL;
1026
1027         r_u->status = NT_STATUS_OK;
1028
1029         /* find the connection policy handle. */
1030         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1031                 return NT_STATUS_INVALID_HANDLE;
1032
1033         if (!get_group_map_from_sid(info->sid, &map, MAPPING_WITH_PRIV))
1034                 return NT_STATUS_NO_SUCH_GROUP;
1035
1036         set=&q_u->set;
1037
1038         for (i=0; i<set->count; i++) {
1039                 luid_attr=&set->set[i];
1040
1041                 /* check if the privilege is already there */
1042                 if (check_priv_in_privilege(&map.priv_set, *luid_attr)){
1043                         free_privilege(&map.priv_set);
1044                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1045                 }
1046
1047                 add_privilege(&map.priv_set, *luid_attr);
1048         }
1049
1050         if(!add_mapping_entry(&map, TDB_REPLACE))
1051                 return NT_STATUS_NO_SUCH_GROUP;
1052
1053         free_privilege(&map.priv_set);
1054
1055         return r_u->status;
1056 }
1057
1058 /***************************************************************************
1059  For a given SID, remove some privileges.
1060  ***************************************************************************/
1061
1062 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1063 {
1064         struct lsa_info *info=NULL;
1065         GROUP_MAP map;
1066         int i=0;
1067
1068         LUID_ATTR *luid_attr=NULL;
1069         PRIVILEGE_SET *set=NULL;
1070
1071         r_u->status = NT_STATUS_OK;
1072
1073         /* find the connection policy handle. */
1074         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1075                 return NT_STATUS_INVALID_HANDLE;
1076
1077         if (!get_group_map_from_sid(info->sid, &map, MAPPING_WITH_PRIV))
1078                 return NT_STATUS_NO_SUCH_GROUP;
1079
1080         if (q_u->allrights!=0) {
1081                 /* log it and return, until I see one myself don't do anything */
1082                 DEBUG(5,("_lsa_removeprivs: trying to remove all privileges ?\n"));
1083                 return NT_STATUS_OK;
1084         }
1085
1086         if (q_u->ptr==0) {
1087                 /* log it and return, until I see one myself don't do anything */
1088                 DEBUG(5,("_lsa_removeprivs: no privileges to remove ?\n"));
1089                 return NT_STATUS_OK;
1090         }
1091
1092         set=&q_u->set;
1093
1094         for (i=0; i<set->count; i++) {
1095                 luid_attr=&set->set[i];
1096
1097                 /* if we don't have the privilege, we're trying to remove, give up */
1098                 /* what else can we do ??? JFM. */
1099                 if (!check_priv_in_privilege(&map.priv_set, *luid_attr)){
1100                         free_privilege(&map.priv_set);
1101                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1102                 }
1103
1104                 remove_privilege(&map.priv_set, *luid_attr);
1105         }
1106
1107         if(!add_mapping_entry(&map, TDB_REPLACE))
1108                 return NT_STATUS_NO_SUCH_GROUP;
1109
1110         free_privilege(&map.priv_set);
1111
1112         return r_u->status;
1113 }
1114
1115 /***************************************************************************
1116  For a given SID, remove some privileges.
1117  ***************************************************************************/
1118
1119 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1120 {
1121         struct lsa_info *handle=NULL;
1122         SEC_DESC *psd = NULL;
1123         size_t sd_size;
1124         NTSTATUS status;
1125
1126         r_u->status = NT_STATUS_OK;
1127
1128         /* find the connection policy handle. */
1129         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1130                 return NT_STATUS_INVALID_HANDLE;
1131
1132         /* check if the user have enough rights */
1133         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1134                 return NT_STATUS_ACCESS_DENIED;
1135
1136
1137         switch (q_u->sec_info) {
1138         case 1:
1139                 /* SD contains only the owner */
1140
1141                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1142                 if(!NT_STATUS_IS_OK(status))
1143                         return NT_STATUS_NO_MEMORY;
1144
1145
1146                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1147                         return NT_STATUS_NO_MEMORY;
1148                 break;
1149         case 4:
1150                 /* SD contains only the ACL */
1151
1152                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1153                 if(!NT_STATUS_IS_OK(status))
1154                         return NT_STATUS_NO_MEMORY;
1155
1156                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1157                         return NT_STATUS_NO_MEMORY;
1158                 break;
1159         default:
1160                 return NT_STATUS_INVALID_LEVEL;
1161         }
1162
1163         r_u->ptr=1;
1164
1165         return r_u->status;
1166 }
1167
1168