source3/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  *  Copyright (C) Gerald (Jerry) Carter             2005.
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 /* This is the implementation of the lsa server code. */
  29
  30 #include "includes.h"
  31
  32 #undef DBGC_CLASS
  33 #define DBGC_CLASS DBGC_RPC_SRV
  34
  35 extern PRIVS privs[];
  36
  37 struct lsa_info {
  38         DOM_SID sid;
  39         uint32 access;
  40 };
  41
  42 struct generic_mapping lsa_generic_mapping = {
  43         POLICY_READ,
  44         POLICY_WRITE,
  45         POLICY_EXECUTE,
  46         POLICY_ALL_ACCESS
  47 };
  48
  49 /*******************************************************************
  50  Function to free the per handle data.
  51  ********************************************************************/
  52
  53 static void free_lsa_info(void *ptr)
  54 {
  55         struct lsa_info *lsa = (struct lsa_info *)ptr;
  56
  57         SAFE_FREE(lsa);
  58 }
  59
  60 /***************************************************************************
  61 Init dom_query
  62  ***************************************************************************/
  63
  64 static void init_dom_query(DOM_QUERY *d_q, const char *dom_name, DOM_SID *dom_sid)
  65 {
  66         d_q->buffer_dom_name = (dom_name != NULL) ? 1 : 0; /* domain buffer pointer */
  67         d_q->buffer_dom_sid = (dom_sid != NULL) ? 1 : 0;  /* domain sid pointer */
  68
  69         /* this string is supposed to be non-null terminated. */
  70         /* But the maxlen in this UNISTR2 must include the terminating null. */
  71         init_unistr2(&d_q->uni_domain_name, dom_name, UNI_BROKEN_NON_NULL);
  72
  73         /*
  74          * I'm not sure why this really odd combination of length
  75          * values works, but it does appear to. I need to look at
  76          * this *much* more closely - but at the moment leave alone
  77          * until it's understood. This allows a W2k client to join
  78          * a domain with both odd and even length names... JRA.
  79          */
  80
  81         /*
  82          * IMPORTANT NOTE !!!!
  83          * The two fields below probably are reversed in meaning, ie.
  84          * the first field is probably the str_len, the second the max
  85          * len. Both are measured in bytes anyway.
  86          */
  87
  88         d_q->uni_dom_str_len = d_q->uni_domain_name.uni_max_len * 2;
  89         d_q->uni_dom_max_len = d_q->uni_domain_name.uni_str_len * 2;
  90
  91         if (dom_sid != NULL)
  92                 init_dom_sid2(&d_q->dom_sid, dom_sid);
  93 }
  94
  95 /***************************************************************************
  96  init_dom_ref - adds a domain if it's not already in, returns the index.
  97 ***************************************************************************/
  98
  99 static int init_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid)
 100 {
 101         int num = 0;
 102
 103         if (dom_name != NULL) {
 104                 for (num = 0; num < ref->num_ref_doms_1; num++) {
 105                         fstring domname;
 106                         rpcstr_pull(domname, ref->ref_dom[num].uni_dom_name.buffer, sizeof(domname), -1, 0);
 107                         if (strequal(domname, dom_name))
 108                                 return num;
 109                 }
 110         } else {
 111                 num = ref->num_ref_doms_1;
 112         }
 113
 114         if (num >= MAX_REF_DOMAINS) {
 115                 /* index not found, already at maximum domain limit */
 116                 return -1;
 117         }
 118
 119         ref->num_ref_doms_1 = num+1;
 120         ref->ptr_ref_dom  = 1;
 121         ref->max_entries = MAX_REF_DOMAINS;
 122         ref->num_ref_doms_2 = num+1;
 123
 124         ref->hdr_ref_dom[num].ptr_dom_sid = dom_sid != NULL ? 1 : 0;
 125
 126         init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, UNI_FLAGS_NONE);
 127         init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, &ref->ref_dom[num].uni_dom_name);
 128
 129         init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
 130
 131         return num;
 132 }
 133
 134 /***************************************************************************
 135  init_lsa_rid2s
 136  ***************************************************************************/
 137
 138 static void init_lsa_rid2s(DOM_R_REF *ref, DOM_RID2 *rid2,
 139                                 int num_entries, UNISTR2 *name,
 140                                 uint32 *mapped_count, BOOL endian)
 141 {
 142         int i;
 143         int total = 0;
 144         *mapped_count = 0;
 145
 146         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 147
 148         become_root(); /* lookup_name can require root privs */
 149
 150         for (i = 0; i < num_entries; i++) {
 151                 BOOL status = False;
 152                 DOM_SID sid;
 153                 uint32 rid = 0xffffffff;
 154                 int dom_idx = -1;
 155                 pstring full_name;
 156                 fstring dom_name, user;
 157                 enum SID_NAME_USE name_type = SID_NAME_UNKNOWN;
 158
 159                 /* Split name into domain and user component */
 160
 161                 unistr2_to_ascii(full_name, &name[i], sizeof(full_name));
 162                 split_domain_name(full_name, dom_name, user);
 163
 164                 /* Lookup name */
 165
 166                 DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name));
 167
 168                 status = lookup_name(dom_name, user, &sid, &name_type);
 169
 170                 if((name_type == SID_NAME_UNKNOWN) && (lp_server_role() == ROLE_DOMAIN_MEMBER)  && (strncmp(dom_name, full_name, strlen(dom_name)) != 0)) {
 171                         DEBUG(5, ("init_lsa_rid2s: domain name not provided and local account not found, using member domain\n"));
 172                         fstrcpy(dom_name, lp_workgroup());
 173                         status = lookup_name(dom_name, user, &sid, &name_type);
 174                 }
 175
 176                 if (name_type == SID_NAME_WKN_GRP) {
 177                         /* BUILTIN aliases are still aliases :-) */
 178                         name_type = SID_NAME_ALIAS;
 179                 }
 180
 181                 DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" :
 182                           "not found"));
 183
 184                 if (status && name_type != SID_NAME_UNKNOWN) {
 185                         sid_split_rid(&sid, &rid);
 186                         dom_idx = init_dom_ref(ref, dom_name, &sid);
 187                         (*mapped_count)++;
 188                 } else {
 189                         dom_idx = -1;
 190                         rid = 0;
 191                         name_type = SID_NAME_UNKNOWN;
 192                 }
 193
 194                 init_dom_rid2(&rid2[total], rid, name_type, dom_idx);
 195                 total++;
 196         }
 197
 198         unbecome_root();
 199 }
 200
 201 /***************************************************************************
 202  init_reply_lookup_names
 203  ***************************************************************************/
 204
 205 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
 206                 DOM_R_REF *ref, uint32 num_entries,
 207                 DOM_RID2 *rid2, uint32 mapped_count)
 208 {
 209         r_l->ptr_dom_ref  = 1;
 210         r_l->dom_ref      = ref;
 211
 212         r_l->num_entries  = num_entries;
 213         r_l->ptr_entries  = 1;
 214         r_l->num_entries2 = num_entries;
 215         r_l->dom_rid      = rid2;
 216
 217         r_l->mapped_count = mapped_count;
 218 }
 219
 220 /***************************************************************************
 221  Init lsa_trans_names.
 222  ***************************************************************************/
 223
 224 static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn,
 225                                  int num_entries, DOM_SID2 *sid,
 226                                  uint32 *mapped_count)
 227 {
 228         int i;
 229         int total = 0;
 230         *mapped_count = 0;
 231
 232         /* Allocate memory for list of names */
 233
 234         if (num_entries > 0) {
 235                 if (!(trn->name = TALLOC_ARRAY(ctx, LSA_TRANS_NAME, num_entries))) {
 236                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 237                         return;
 238                 }
 239
 240                 if (!(trn->uni_name = TALLOC_ARRAY(ctx, UNISTR2, num_entries))) {
 241                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 242                         return;
 243                 }
 244         }
 245
 246         become_root(); /* Need root to get to passdb to for local sids */
 247
 248         for (i = 0; i < num_entries; i++) {
 249                 BOOL status = False;
 250                 DOM_SID find_sid = sid[i].sid;
 251                 uint32 rid = 0xffffffff;
 252                 int dom_idx = -1;
 253                 fstring name, dom_name;
 254                 enum SID_NAME_USE sid_name_use = (enum SID_NAME_USE)0;
 255
 256                 sid_to_string(name, &find_sid);
 257                 DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n", name));
 258
 259                 /* Lookup sid from winbindd */
 260
 261                 status = lookup_sid(&find_sid, dom_name, name, &sid_name_use);
 262
 263                 DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" :
 264                           "not found"));
 265
 266                 if (!status) {
 267                         sid_name_use = SID_NAME_UNKNOWN;
 268                         memset(dom_name, '\0', sizeof(dom_name));
 269                         sid_to_string(name, &find_sid);
 270                         dom_idx = -1;
 271
 272                         DEBUG(10,("init_lsa_trans_names: added unknown user '%s' to "
 273                                   "referenced list.\n", name ));
 274                 } else {
 275                         (*mapped_count)++;
 276                         /* Store domain sid in ref array */
 277                         if (find_sid.num_auths == 5) {
 278                                 sid_split_rid(&find_sid, &rid);
 279                         }
 280                         dom_idx = init_dom_ref(ref, dom_name, &find_sid);
 281
 282                         DEBUG(10,("init_lsa_trans_names: added %s '%s\\%s' (%d) to referenced list.\n",
 283                                 sid_type_lookup(sid_name_use), dom_name, name, sid_name_use ));
 284
 285                 }
 286
 287                 init_lsa_trans_name(&trn->name[total], &trn->uni_name[total],
 288                                         sid_name_use, name, dom_idx);
 289                 total++;
 290         }
 291
 292         unbecome_root();
 293
 294         trn->num_entries = total;
 295         trn->ptr_trans_names = 1;
 296         trn->num_entries2 = total;
 297 }
 298
 299 /***************************************************************************
 300  Init_reply_lookup_sids.
 301  ***************************************************************************/
 302
 303 static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
 304                 DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
 305                 uint32 mapped_count)
 306 {
 307         r_l->ptr_dom_ref  = 1;
 308         r_l->dom_ref      = ref;
 309         r_l->names        = names;
 310         r_l->mapped_count = mapped_count;
 311 }
 312
 313 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
 314 {
 315         DOM_SID local_adm_sid;
 316         DOM_SID adm_sid;
 317
 318         SEC_ACE ace[3];
 319         SEC_ACCESS mask;
 320
 321         SEC_ACL *psa = NULL;
 322
 323         init_sec_access(&mask, POLICY_EXECUTE);
 324         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 325
 326         sid_copy(&adm_sid, get_global_sam_sid());
 327         sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
 328         init_sec_access(&mask, POLICY_ALL_ACCESS);
 329         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 330
 331         sid_copy(&local_adm_sid, &global_sid_Builtin);
 332         sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 333         init_sec_access(&mask, POLICY_ALL_ACCESS);
 334         init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 335
 336         if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 337                 return NT_STATUS_NO_MEMORY;
 338
 339         if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
 340                 return NT_STATUS_NO_MEMORY;
 341
 342         return NT_STATUS_OK;
 343 }
 344
 345 #if 0   /* AD DC work in ongoing in Samba 4 */
 346
 347 /***************************************************************************
 348  Init_dns_dom_info.
 349 ***************************************************************************/
 350
 351 static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
 352                               const char *dns_name, const char *forest_name,
 353                               struct uuid *dom_guid, DOM_SID *dom_sid)
 354 {
 355         if (nb_name && *nb_name) {
 356                 init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE);
 357                 init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name);
 358                 r_l->hdr_nb_dom_name.uni_max_len += 2;
 359                 r_l->uni_nb_dom_name.uni_max_len += 1;
 360         }
 361
 362         if (dns_name && *dns_name) {
 363                 init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE);
 364                 init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name);
 365                 r_l->hdr_dns_dom_name.uni_max_len += 2;
 366                 r_l->uni_dns_dom_name.uni_max_len += 1;
 367         }
 368
 369         if (forest_name && *forest_name) {
 370                 init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE);
 371                 init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name);
 372                 r_l->hdr_forest_name.uni_max_len += 2;
 373                 r_l->uni_forest_name.uni_max_len += 1;
 374         }
 375
 376         /* how do we init the guid ? probably should write an init fn */
 377         if (dom_guid) {
 378                 memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid));
 379         }
 380
 381         if (dom_sid) {
 382                 r_l->ptr_dom_sid = 1;
 383                 init_dom_sid2(&r_l->dom_sid, dom_sid);
 384         }
 385 }
 386 #endif  /* AD DC work in ongoing in Samba 4 */
 387
 388
 389 /***************************************************************************
 390  _lsa_open_policy2.
 391  ***************************************************************************/
 392
 393 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
 394 {
 395         struct lsa_info *info;
 396         SEC_DESC *psd = NULL;
 397         size_t sd_size;
 398         uint32 des_access=q_u->des_access;
 399         uint32 acc_granted;
 400         NTSTATUS status;
 401
 402
 403         /* map the generic bits to the lsa policy ones */
 404         se_map_generic(&des_access, &lsa_generic_mapping);
 405
 406         /* get the generic lsa policy SD until we store it */
 407         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 408
 409         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 410                 if (geteuid() != 0) {
 411                         return status;
 412                 }
 413                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 414                          acc_granted, des_access));
 415                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 416         }
 417
 418         /* This is needed for lsa_open_account and rpcclient .... :-) */
 419
 420         if (geteuid() == 0)
 421                 acc_granted = POLICY_ALL_ACCESS;
 422
 423         /* associate the domain SID with the (unique) handle. */
 424         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 425                 return NT_STATUS_NO_MEMORY;
 426
 427         ZERO_STRUCTP(info);
 428         sid_copy(&info->sid,get_global_sam_sid());
 429         info->access = acc_granted;
 430
 431         /* set up the LSA QUERY INFO response */
 432         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 433                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 434
 435         return NT_STATUS_OK;
 436 }
 437
 438 /***************************************************************************
 439  _lsa_open_policy
 440  ***************************************************************************/
 441
 442 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
 443 {
 444         struct lsa_info *info;
 445         SEC_DESC *psd = NULL;
 446         size_t sd_size;
 447         uint32 des_access=q_u->des_access;
 448         uint32 acc_granted;
 449         NTSTATUS status;
 450
 451
 452         /* map the generic bits to the lsa policy ones */
 453         se_map_generic(&des_access, &lsa_generic_mapping);
 454
 455         /* get the generic lsa policy SD until we store it */
 456         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 457
 458         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 459                 if (geteuid() != 0) {
 460                         return status;
 461                 }
 462                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 463                          acc_granted, des_access));
 464                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 465                 acc_granted = des_access;
 466         }
 467
 468         /* associate the domain SID with the (unique) handle. */
 469         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 470                 return NT_STATUS_NO_MEMORY;
 471
 472         ZERO_STRUCTP(info);
 473         sid_copy(&info->sid,get_global_sam_sid());
 474         info->access = acc_granted;
 475
 476         /* set up the LSA QUERY INFO response */
 477         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 478                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 479
 480         return NT_STATUS_OK;
 481 }
 482
 483 /***************************************************************************
 484  _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
 485  ufff, done :)  mimir
 486  ***************************************************************************/
 487
 488 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u)
 489 {
 490         struct lsa_info *info;
 491         uint32 enum_context = q_u->enum_context;
 492
 493         /*
 494          * preferred length is set to 5 as a "our" preferred length
 495          * nt sets this parameter to 2
 496          * update (20.08.2002): it's not preferred length, but preferred size!
 497          * it needs further investigation how to optimally choose this value
 498          */
 499         uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10;
 500         TRUSTDOM **trust_doms;
 501         uint32 num_domains;
 502         NTSTATUS nt_status;
 503
 504         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
 505                 return NT_STATUS_INVALID_HANDLE;
 506
 507         /* check if the user have enough rights */
 508         if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
 509                 return NT_STATUS_ACCESS_DENIED;
 510
 511         nt_status = secrets_get_trusted_domains(p->mem_ctx, (int *)&enum_context, max_num_domains, (int *)&num_domains, &trust_doms);
 512
 513         if (!NT_STATUS_IS_OK(nt_status) &&
 514             !NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) &&
 515             !NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
 516                 return nt_status;
 517         } else {
 518                 r_u->status = nt_status;
 519         }
 520
 521         /* set up the lsa_enum_trust_dom response */
 522
 523         init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms);
 524
 525         return r_u->status;
 526 }
 527
 528 /***************************************************************************
 529  _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
 530  ***************************************************************************/
 531
 532 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
 533 {
 534         struct lsa_info *handle;
 535         LSA_INFO_UNION *info = &r_u->dom;
 536         DOM_SID domain_sid;
 537         const char *name;
 538         DOM_SID *sid = NULL;
 539
 540         r_u->status = NT_STATUS_OK;
 541
 542         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 543                 return NT_STATUS_INVALID_HANDLE;
 544
 545         switch (q_u->info_class) {
 546         case 0x02:
 547                 {
 548                 unsigned int i;
 549                 /* check if the user have enough rights */
 550                 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
 551                         return NT_STATUS_ACCESS_DENIED;
 552
 553                 /* fake info: We audit everything. ;) */
 554                 info->id2.auditing_enabled = 1;
 555                 info->id2.count1 = 7;
 556                 info->id2.count2 = 7;
 557                 if ((info->id2.auditsettings = TALLOC_ARRAY(p->mem_ctx,uint32, 7)) == NULL)
 558                         return NT_STATUS_NO_MEMORY;
 559                 for (i = 0; i < 7; i++)
 560                         info->id2.auditsettings[i] = 3;
 561                 break;
 562                 }
 563         case 0x03:
 564                 /* check if the user have enough rights */
 565                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 566                         return NT_STATUS_ACCESS_DENIED;
 567
 568                 /* Request PolicyPrimaryDomainInformation. */
 569                 switch (lp_server_role()) {
 570                         case ROLE_DOMAIN_PDC:
 571                         case ROLE_DOMAIN_BDC:
 572                                 name = get_global_sam_name();
 573                                 sid = get_global_sam_sid();
 574                                 break;
 575                         case ROLE_DOMAIN_MEMBER:
 576                                 name = lp_workgroup();
 577                                 /* We need to return the Domain SID here. */
 578                                 if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
 579                                         sid = &domain_sid;
 580                                 else
 581                                         return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 582                                 break;
 583                         case ROLE_STANDALONE:
 584                                 name = lp_workgroup();
 585                                 sid = NULL;
 586                                 break;
 587                         default:
 588                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 589                 }
 590                 init_dom_query(&r_u->dom.id3, name, sid);
 591                 break;
 592         case 0x05:
 593                 /* check if the user have enough rights */
 594                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 595                         return NT_STATUS_ACCESS_DENIED;
 596
 597                 /* Request PolicyAccountDomainInformation. */
 598                 name = get_global_sam_name();
 599                 sid = get_global_sam_sid();
 600                 init_dom_query(&r_u->dom.id5, name, sid);
 601                 break;
 602         case 0x06:
 603                 /* check if the user have enough rights */
 604                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 605                         return NT_STATUS_ACCESS_DENIED;
 606
 607                 switch (lp_server_role()) {
 608                         case ROLE_DOMAIN_BDC:
 609                                 /*
 610                                  * only a BDC is a backup controller
 611                                  * of the domain, it controls.
 612                                  */
 613                                 info->id6.server_role = 2;
 614                                 break;
 615                         default:
 616                                 /*
 617                                  * any other role is a primary
 618                                  * of the domain, it controls.
 619                                  */
 620                                 info->id6.server_role = 3;
 621                                 break;
 622                 }
 623                 break;
 624         default:
 625                 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
 626                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
 627                 break;
 628         }
 629
 630         if (NT_STATUS_IS_OK(r_u->status)) {
 631                 r_u->undoc_buffer = 0x22000000; /* bizarre */
 632                 r_u->info_class = q_u->info_class;
 633         }
 634
 635         return r_u->status;
 636 }
 637
 638 /***************************************************************************
 639  _lsa_lookup_sids
 640  ***************************************************************************/
 641
 642 NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u)
 643 {
 644         struct lsa_info *handle;
 645         DOM_SID2 *sid = q_u->sids.sid;
 646         int num_entries = q_u->sids.num_entries;
 647         DOM_R_REF *ref = NULL;
 648         LSA_TRANS_NAME_ENUM *names = NULL;
 649         uint32 mapped_count = 0;
 650
 651         if (num_entries >  MAX_LOOKUP_SIDS) {
 652                 num_entries = 0;
 653                 DEBUG(5,("_lsa_lookup_sids: limit of %d exceeded, truncating SID lookup list to %d\n", MAX_LOOKUP_SIDS, num_entries));
 654                 r_u->status = NT_STATUS_NONE_MAPPED;
 655         }
 656
 657         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 658         names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM);
 659
 660         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
 661                 r_u->status = NT_STATUS_INVALID_HANDLE;
 662                 goto done;
 663         }
 664
 665         /* check if the user have enough rights */
 666         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 667                 r_u->status = NT_STATUS_ACCESS_DENIED;
 668                 goto done;
 669         }
 670         if (!ref || !names)
 671                 return NT_STATUS_NO_MEMORY;
 672
 673 done:
 674
 675         /* set up the LSA Lookup SIDs response */
 676         init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count);
 677         if (NT_STATUS_IS_OK(r_u->status)) {
 678                 if (mapped_count == 0)
 679                         r_u->status = NT_STATUS_NONE_MAPPED;
 680                 else if (mapped_count != num_entries)
 681                         r_u->status = STATUS_SOME_UNMAPPED;
 682         }
 683         init_reply_lookup_sids(r_u, ref, names, mapped_count);
 684
 685         return r_u->status;
 686 }
 687
 688 /***************************************************************************
 689 lsa_reply_lookup_names
 690  ***************************************************************************/
 691
 692 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
 693 {
 694         struct lsa_info *handle;
 695         UNISTR2 *names = q_u->uni_name;
 696         int num_entries = q_u->num_entries;
 697         DOM_R_REF *ref;
 698         DOM_RID2 *rids;
 699         uint32 mapped_count = 0;
 700
 701         if (num_entries >  MAX_LOOKUP_SIDS) {
 702                 num_entries = MAX_LOOKUP_SIDS;
 703                 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
 704         }
 705
 706         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 707         rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID2, num_entries);
 708
 709         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
 710                 r_u->status = NT_STATUS_INVALID_HANDLE;
 711                 goto done;
 712         }
 713
 714         /* check if the user have enough rights */
 715         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 716                 r_u->status = NT_STATUS_ACCESS_DENIED;
 717                 goto done;
 718         }
 719
 720         if (!ref || !rids)
 721                 return NT_STATUS_NO_MEMORY;
 722
 723 done:
 724
 725         /* set up the LSA Lookup RIDs response */
 726         init_lsa_rid2s(ref, rids, num_entries, names, &mapped_count, p->endian);
 727         if (NT_STATUS_IS_OK(r_u->status)) {
 728                 if (mapped_count == 0)
 729                         r_u->status = NT_STATUS_NONE_MAPPED;
 730                 else if (mapped_count != num_entries)
 731                         r_u->status = STATUS_SOME_UNMAPPED;
 732         }
 733         init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
 734
 735         return r_u->status;
 736 }
 737
 738 /***************************************************************************
 739  _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
 740  ***************************************************************************/
 741
 742 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
 743 {
 744         if (!find_policy_by_hnd(p, &q_u->pol, NULL))
 745                 return NT_STATUS_INVALID_HANDLE;
 746
 747         close_policy_hnd(p, &q_u->pol);
 748         return NT_STATUS_OK;
 749 }
 750
 751 /***************************************************************************
 752  ***************************************************************************/
 753
 754 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
 755 {
 756         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 757 }
 758
 759 /***************************************************************************
 760  ***************************************************************************/
 761
 762 NTSTATUS _lsa_open_trusted_domain(pipes_struct *p, LSA_Q_OPEN_TRUSTED_DOMAIN *q_u, LSA_R_OPEN_TRUSTED_DOMAIN *r_u)
 763 {
 764         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 765 }
 766
 767 /***************************************************************************
 768  ***************************************************************************/
 769
 770 NTSTATUS _lsa_create_trusted_domain(pipes_struct *p, LSA_Q_CREATE_TRUSTED_DOMAIN *q_u, LSA_R_CREATE_TRUSTED_DOMAIN *r_u)
 771 {
 772         return NT_STATUS_ACCESS_DENIED;
 773 }
 774
 775 /***************************************************************************
 776  ***************************************************************************/
 777
 778 NTSTATUS _lsa_create_secret(pipes_struct *p, LSA_Q_CREATE_SECRET *q_u, LSA_R_CREATE_SECRET *r_u)
 779 {
 780         return NT_STATUS_ACCESS_DENIED;
 781 }
 782
 783 /***************************************************************************
 784  ***************************************************************************/
 785
 786 NTSTATUS _lsa_set_secret(pipes_struct *p, LSA_Q_SET_SECRET *q_u, LSA_R_SET_SECRET *r_u)
 787 {
 788         return NT_STATUS_ACCESS_DENIED;
 789 }
 790
 791 /***************************************************************************
 792  ***************************************************************************/
 793
 794 NTSTATUS _lsa_delete_object(pipes_struct *p, LSA_Q_DELETE_OBJECT *q_u, LSA_R_DELETE_OBJECT *r_u)
 795 {
 796         return NT_STATUS_ACCESS_DENIED;
 797 }
 798
 799 /***************************************************************************
 800 _lsa_enum_privs.
 801  ***************************************************************************/
 802
 803 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
 804 {
 805         struct lsa_info *handle;
 806         uint32 i;
 807         uint32 enum_context = q_u->enum_context;
 808         int num_privs = 0;
 809         LSA_PRIV_ENTRY *entries = NULL;
 810         LUID_ATTR luid;
 811
 812         /* remember that the enum_context starts at 0 and not 1 */
 813
 814         if ( lp_enable_privileges() )
 815                 num_privs = count_all_privileges();
 816         else
 817                 DEBUG(2,("_lsa_enum_privs: client trying to enumerate privileges by not enabled in smb.conf!\n"));
 818
 819         if ( enum_context >= num_privs )
 820                 return NT_STATUS_NO_MORE_ENTRIES;
 821
 822         DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n",
 823                 enum_context, num_privs));
 824
 825         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 826                 return NT_STATUS_INVALID_HANDLE;
 827
 828         /* check if the user have enough rights
 829            I don't know if it's the right one. not documented.  */
 830
 831         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 832                 return NT_STATUS_ACCESS_DENIED;
 833
 834         if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs )) )
 835                 return NT_STATUS_NO_MEMORY;
 836
 837         for (i = 0; i < num_privs; i++) {
 838                 if( i < enum_context) {
 839                         init_unistr2(&entries[i].name, NULL, UNI_FLAGS_NONE);
 840                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
 841
 842                         entries[i].luid_low = 0;
 843                         entries[i].luid_high = 0;
 844                 } else {
 845                         init_unistr2(&entries[i].name, privs[i].name, UNI_FLAGS_NONE);
 846                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
 847
 848                         luid = get_privilege_luid( &privs[i].se_priv );
 849
 850                         entries[i].luid_low = luid.luid.low;
 851                         entries[i].luid_high = luid.luid.high;
 852                 }
 853         }
 854
 855         enum_context = num_privs;
 856
 857         init_lsa_r_enum_privs(r_u, enum_context, num_privs, entries);
 858
 859         return NT_STATUS_OK;
 860 }
 861
 862 /***************************************************************************
 863 _lsa_priv_get_dispname.
 864  ***************************************************************************/
 865
 866 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
 867 {
 868         struct lsa_info *handle;
 869         fstring name_asc;
 870         const char *description;
 871
 872         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 873                 return NT_STATUS_INVALID_HANDLE;
 874
 875         /* check if the user have enough rights */
 876
 877         /*
 878          * I don't know if it's the right one. not documented.
 879          */
 880         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 881                 return NT_STATUS_ACCESS_DENIED;
 882
 883         unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
 884
 885         DEBUG(10,("_lsa_priv_get_dispname: name = %s\n", name_asc));
 886
 887         description = get_privilege_dispname( name_asc );
 888
 889         if ( description ) {
 890                 DEBUG(10,("_lsa_priv_get_dispname: display name = %s\n", description));
 891
 892                 init_unistr2(&r_u->desc, description, UNI_FLAGS_NONE);
 893                 init_uni_hdr(&r_u->hdr_desc, &r_u->desc);
 894
 895                 r_u->ptr_info = 0xdeadbeef;
 896                 r_u->lang_id = q_u->lang_id;
 897
 898                 return NT_STATUS_OK;
 899         } else {
 900                 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
 901
 902                 r_u->ptr_info = 0;
 903
 904                 return NT_STATUS_NO_SUCH_PRIVILEGE;
 905         }
 906 }
 907
 908 /***************************************************************************
 909 _lsa_enum_accounts.
 910  ***************************************************************************/
 911
 912 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
 913 {
 914         struct lsa_info *handle;
 915         DOM_SID *sid_list;
 916         int i, j, num_entries;
 917         LSA_SID_ENUM *sids=&r_u->sids;
 918         NTSTATUS ret;
 919
 920         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 921                 return NT_STATUS_INVALID_HANDLE;
 922
 923         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 924                 return NT_STATUS_ACCESS_DENIED;
 925
 926         sid_list = NULL;
 927         num_entries = 0;
 928
 929         /* The only way we can currently find out all the SIDs that have been
 930            privileged is to scan all privileges */
 931
 932         if (!NT_STATUS_IS_OK(ret = privilege_enumerate_accounts(&sid_list, &num_entries))) {
 933                 return ret;
 934         }
 935
 936         if (q_u->enum_context >= num_entries)
 937                 return NT_STATUS_NO_MORE_ENTRIES;
 938
 939         sids->ptr_sid = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_entries-q_u->enum_context);
 940         sids->sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_entries-q_u->enum_context);
 941
 942         if (sids->ptr_sid==NULL || sids->sid==NULL) {
 943                 SAFE_FREE(sid_list);
 944                 return NT_STATUS_NO_MEMORY;
 945         }
 946
 947         for (i = q_u->enum_context, j = 0; i < num_entries; i++, j++) {
 948                 init_dom_sid2(&(*sids).sid[j], &sid_list[i]);
 949                 (*sids).ptr_sid[j] = 1;
 950         }
 951
 952         SAFE_FREE(sid_list);
 953
 954         init_lsa_r_enum_accounts(r_u, num_entries);
 955
 956         return NT_STATUS_OK;
 957 }
 958
 959
 960 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
 961 {
 962         fstring username, domname;
 963         user_struct *vuser = get_valid_user_struct(p->vuid);
 964
 965         if (vuser == NULL)
 966                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 967
 968         fstrcpy(username, vuser->user.smb_name);
 969         fstrcpy(domname, vuser->user.domain);
 970
 971         r_u->ptr_user_name = 1;
 972         init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE);
 973         init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name);
 974
 975         r_u->unk1 = 1;
 976
 977         r_u->ptr_dom_name = 1;
 978         init_unistr2(&r_u->uni2_dom_name, domname,  UNI_STR_TERMINATE);
 979         init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name);
 980
 981         r_u->status = NT_STATUS_OK;
 982
 983         return r_u->status;
 984 }
 985
 986 /***************************************************************************
 987  Lsa Create Account
 988  ***************************************************************************/
 989
 990 NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *r_u)
 991 {
 992         struct lsa_info *handle;
 993         struct lsa_info *info;
 994
 995         /* find the connection policy handle. */
 996         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
 997                 return NT_STATUS_INVALID_HANDLE;
 998
 999         /* check if the user have enough rights */
1000
1001         /*
1002          * I don't know if it's the right one. not documented.
1003          * but guessed with rpcclient.
1004          */
1005         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1006                 return NT_STATUS_ACCESS_DENIED;
1007
1008         /* check to see if the pipe_user is a Domain Admin since
1009            account_pol.tdb was already opened as root, this is all we have */
1010
1011         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1012                 return NT_STATUS_ACCESS_DENIED;
1013
1014         if ( is_privileged_sid( &q_u->sid.sid ) )
1015                 return NT_STATUS_OBJECT_NAME_COLLISION;
1016
1017         /* associate the user/group SID with the (unique) handle. */
1018
1019         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1020                 return NT_STATUS_NO_MEMORY;
1021
1022         ZERO_STRUCTP(info);
1023         info->sid = q_u->sid.sid;
1024         info->access = q_u->access;
1025
1026         /* get a (unique) handle.  open a policy on it. */
1027         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1028                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1029
1030         return privilege_create_account( &info->sid );
1031 }
1032
1033
1034 /***************************************************************************
1035  Lsa Open Account
1036  ***************************************************************************/
1037
1038 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
1039 {
1040         struct lsa_info *handle;
1041         struct lsa_info *info;
1042
1043         /* find the connection policy handle. */
1044         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1045                 return NT_STATUS_INVALID_HANDLE;
1046
1047         /* check if the user have enough rights */
1048
1049         /*
1050          * I don't know if it's the right one. not documented.
1051          * but guessed with rpcclient.
1052          */
1053         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1054                 return NT_STATUS_ACCESS_DENIED;
1055
1056         /* TODO: Fis the parsing routine before reenabling this check! */
1057         #if 0
1058         if (!lookup_sid(&handle->sid, dom_name, name, &type))
1059                 return NT_STATUS_ACCESS_DENIED;
1060         #endif
1061         /* associate the user/group SID with the (unique) handle. */
1062         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1063                 return NT_STATUS_NO_MEMORY;
1064
1065         ZERO_STRUCTP(info);
1066         info->sid = q_u->sid.sid;
1067         info->access = q_u->access;
1068
1069         /* get a (unique) handle.  open a policy on it. */
1070         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1071                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1072
1073         return NT_STATUS_OK;
1074 }
1075
1076 /***************************************************************************
1077  For a given SID, enumerate all the privilege this account has.
1078  ***************************************************************************/
1079
1080 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
1081 {
1082         struct lsa_info *info=NULL;
1083         SE_PRIV mask;
1084         PRIVILEGE_SET privileges;
1085
1086         /* find the connection policy handle. */
1087         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1088                 return NT_STATUS_INVALID_HANDLE;
1089
1090         if ( !get_privileges_for_sids( &mask, &info->sid, 1 ) )
1091                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1092
1093         privilege_set_init( &privileges );
1094
1095         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1096
1097                 DEBUG(10,("_lsa_enum_privsaccount: %s has %d privileges\n",
1098                         sid_string_static(&info->sid), privileges.count));
1099
1100                 r_u->status = init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, privileges.set, privileges.count, 0);
1101         }
1102         else
1103                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1104
1105         privilege_set_free( &privileges );
1106
1107         return r_u->status;
1108 }
1109
1110 /***************************************************************************
1111
1112  ***************************************************************************/
1113
1114 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
1115 {
1116         struct lsa_info *info=NULL;
1117         fstring name, dom_name;
1118         enum SID_NAME_USE type;
1119
1120         /* find the connection policy handle. */
1121
1122         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1123                 return NT_STATUS_INVALID_HANDLE;
1124
1125         if (!lookup_sid(&info->sid, dom_name, name, &type))
1126                 return NT_STATUS_ACCESS_DENIED;
1127
1128         /*
1129           0x01 -> Log on locally
1130           0x02 -> Access this computer from network
1131           0x04 -> Log on as a batch job
1132           0x10 -> Log on as a service
1133
1134           they can be ORed together
1135         */
1136
1137         r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK;
1138
1139         return NT_STATUS_OK;
1140 }
1141
1142 /***************************************************************************
1143   update the systemaccount information
1144  ***************************************************************************/
1145
1146 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
1147 {
1148         struct lsa_info *info=NULL;
1149         GROUP_MAP map;
1150         r_u->status = NT_STATUS_OK;
1151
1152         /* find the connection policy handle. */
1153         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1154                 return NT_STATUS_INVALID_HANDLE;
1155
1156         /* check to see if the pipe_user is a Domain Admin since
1157            account_pol.tdb was already opened as root, this is all we have */
1158
1159         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1160                 return NT_STATUS_ACCESS_DENIED;
1161
1162         if (!pdb_getgrsid(&map, info->sid))
1163                 return NT_STATUS_NO_SUCH_GROUP;
1164
1165         if(!pdb_update_group_mapping_entry(&map))
1166                 return NT_STATUS_NO_SUCH_GROUP;
1167
1168         return r_u->status;
1169 }
1170
1171 /***************************************************************************
1172  For a given SID, add some privileges.
1173  ***************************************************************************/
1174
1175 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1176 {
1177         struct lsa_info *info = NULL;
1178         SE_PRIV mask;
1179         PRIVILEGE_SET *set = NULL;
1180         struct current_user user;
1181
1182         /* find the connection policy handle. */
1183         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1184                 return NT_STATUS_INVALID_HANDLE;
1185
1186         /* check to see if the pipe_user is root or a Domain Admin since
1187            account_pol.tdb was already opened as root, this is all we have */
1188
1189         get_current_user( &user, p );
1190         if ( user.uid != sec_initial_uid()
1191                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1192         {
1193                 return NT_STATUS_ACCESS_DENIED;
1194         }
1195
1196         set = &q_u->set;
1197
1198         if ( !privilege_set_to_se_priv( &mask, set ) )
1199                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1200
1201         if ( !grant_privilege( &info->sid, &mask ) ) {
1202                 DEBUG(3,("_lsa_addprivs: grant_privilege(%s) failed!\n",
1203                         sid_string_static(&info->sid) ));
1204                 DEBUG(3,("Privilege mask:\n"));
1205                 dump_se_priv( DBGC_ALL, 3, &mask );
1206                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1207         }
1208
1209         return NT_STATUS_OK;
1210 }
1211
1212 /***************************************************************************
1213  For a given SID, remove some privileges.
1214  ***************************************************************************/
1215
1216 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1217 {
1218         struct lsa_info *info = NULL;
1219         SE_PRIV mask;
1220         PRIVILEGE_SET *set = NULL;
1221         struct current_user user;
1222
1223         /* find the connection policy handle. */
1224         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1225                 return NT_STATUS_INVALID_HANDLE;
1226
1227         /* check to see if the pipe_user is root or a Domain Admin since
1228            account_pol.tdb was already opened as root, this is all we have */
1229
1230         get_current_user( &user, p );
1231         if ( user.uid != sec_initial_uid()
1232                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1233         {
1234                 return NT_STATUS_ACCESS_DENIED;
1235         }
1236
1237         set = &q_u->set;
1238
1239         if ( !privilege_set_to_se_priv( &mask, set ) )
1240                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1241
1242         if ( !revoke_privilege( &info->sid, &mask ) ) {
1243                 DEBUG(3,("_lsa_removeprivs: revoke_privilege(%s) failed!\n",
1244                         sid_string_static(&info->sid) ));
1245                 DEBUG(3,("Privilege mask:\n"));
1246                 dump_se_priv( DBGC_ALL, 3, &mask );
1247                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1248         }
1249
1250         return NT_STATUS_OK;
1251 }
1252
1253 /***************************************************************************
1254  For a given SID, remove some privileges.
1255  ***************************************************************************/
1256
1257 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1258 {
1259         struct lsa_info *handle=NULL;
1260         SEC_DESC *psd = NULL;
1261         size_t sd_size;
1262         NTSTATUS status;
1263
1264         r_u->status = NT_STATUS_OK;
1265
1266         /* find the connection policy handle. */
1267         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1268                 return NT_STATUS_INVALID_HANDLE;
1269
1270         /* check if the user have enough rights */
1271         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1272                 return NT_STATUS_ACCESS_DENIED;
1273
1274
1275         switch (q_u->sec_info) {
1276         case 1:
1277                 /* SD contains only the owner */
1278
1279                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1280                 if(!NT_STATUS_IS_OK(status))
1281                         return NT_STATUS_NO_MEMORY;
1282
1283
1284                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1285                         return NT_STATUS_NO_MEMORY;
1286                 break;
1287         case 4:
1288                 /* SD contains only the ACL */
1289
1290                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1291                 if(!NT_STATUS_IS_OK(status))
1292                         return NT_STATUS_NO_MEMORY;
1293
1294                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1295                         return NT_STATUS_NO_MEMORY;
1296                 break;
1297         default:
1298                 return NT_STATUS_INVALID_LEVEL;
1299         }
1300
1301         r_u->ptr=1;
1302
1303         return r_u->status;
1304 }
1305
1306 #if 0   /* AD DC work in ongoing in Samba 4 */
1307
1308 /***************************************************************************
1309  ***************************************************************************/
1310
1311 NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
1312 {
1313         struct lsa_info *handle;
1314         const char *nb_name;
1315         char *dns_name = NULL;
1316         char *forest_name = NULL;
1317         DOM_SID *sid = NULL;
1318         struct uuid guid;
1319         fstring dnsdomname;
1320
1321         ZERO_STRUCT(guid);
1322         r_u->status = NT_STATUS_OK;
1323
1324         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1325                 return NT_STATUS_INVALID_HANDLE;
1326
1327         switch (q_u->info_class) {
1328         case 0x0c:
1329                 /* check if the user have enough rights */
1330                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1331                         return NT_STATUS_ACCESS_DENIED;
1332
1333                 /* Request PolicyPrimaryDomainInformation. */
1334                 switch (lp_server_role()) {
1335                         case ROLE_DOMAIN_PDC:
1336                         case ROLE_DOMAIN_BDC:
1337                                 nb_name = get_global_sam_name();
1338                                 /* ugly temp hack for these next two */
1339
1340                                 /* This should be a 'netbios domain -> DNS domain' mapping */
1341                                 dnsdomname[0] = '\0';
1342                                 get_mydnsdomname(dnsdomname);
1343                                 strlower_m(dnsdomname);
1344
1345                                 dns_name = dnsdomname;
1346                                 forest_name = dnsdomname;
1347
1348                                 sid = get_global_sam_sid();
1349                                 secrets_fetch_domain_guid(lp_workgroup(), &guid);
1350                                 break;
1351                         default:
1352                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1353                 }
1354                 init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name,
1355                                   forest_name,&guid,sid);
1356                 break;
1357         default:
1358                 DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
1359                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
1360                 break;
1361         }
1362
1363         if (NT_STATUS_IS_OK(r_u->status)) {
1364                 r_u->ptr = 0x1;
1365                 r_u->info_class = q_u->info_class;
1366         }
1367
1368         return r_u->status;
1369 }
1370 #endif  /* AD DC work in ongoing in Samba 4 */
1371
1372 /***************************************************************************
1373  ***************************************************************************/
1374
1375 NTSTATUS _lsa_add_acct_rights(pipes_struct *p, LSA_Q_ADD_ACCT_RIGHTS *q_u, LSA_R_ADD_ACCT_RIGHTS *r_u)
1376 {
1377         struct lsa_info *info = NULL;
1378         int i = 0;
1379         DOM_SID sid;
1380         fstring privname;
1381         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1382         struct current_user user;
1383
1384
1385         /* find the connection policy handle. */
1386         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1387                 return NT_STATUS_INVALID_HANDLE;
1388
1389         /* check to see if the pipe_user is a Domain Admin since
1390            account_pol.tdb was already opened as root, this is all we have */
1391
1392         get_current_user( &user, p );
1393         if ( user.uid != sec_initial_uid()
1394                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1395         {
1396                 return NT_STATUS_ACCESS_DENIED;
1397         }
1398
1399         /* according to an NT4 PDC, you can add privileges to SIDs even without
1400            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1401
1402         sid_copy( &sid, &q_u->sid.sid );
1403
1404         /* just a little sanity check */
1405
1406         if ( q_u->count != uni_privnames->count ) {
1407                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1408                 return NT_STATUS_INVALID_HANDLE;
1409         }
1410
1411         for ( i=0; i<q_u->count; i++ ) {
1412                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1413
1414                 /* only try to add non-null strings */
1415
1416                 if ( !uni4_str->string )
1417                         continue;
1418
1419                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1420
1421                 if ( !grant_privilege_by_name( &sid, privname ) ) {
1422                         DEBUG(2,("_lsa_add_acct_rights: Failed to add privilege [%s]\n", privname ));
1423                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1424                 }
1425         }
1426
1427         return NT_STATUS_OK;
1428 }
1429
1430 /***************************************************************************
1431  ***************************************************************************/
1432
1433 NTSTATUS _lsa_remove_acct_rights(pipes_struct *p, LSA_Q_REMOVE_ACCT_RIGHTS *q_u, LSA_R_REMOVE_ACCT_RIGHTS *r_u)
1434 {
1435         struct lsa_info *info = NULL;
1436         int i = 0;
1437         DOM_SID sid;
1438         fstring privname;
1439         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1440         struct current_user user;
1441
1442
1443         /* find the connection policy handle. */
1444         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1445                 return NT_STATUS_INVALID_HANDLE;
1446
1447         /* check to see if the pipe_user is a Domain Admin since
1448            account_pol.tdb was already opened as root, this is all we have */
1449
1450         get_current_user( &user, p );
1451         if ( user.uid != sec_initial_uid()
1452                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1453         {
1454                 return NT_STATUS_ACCESS_DENIED;
1455         }
1456
1457         sid_copy( &sid, &q_u->sid.sid );
1458
1459         if ( q_u->removeall ) {
1460                 if ( !revoke_all_privileges( &sid ) )
1461                         return NT_STATUS_ACCESS_DENIED;
1462
1463                 return NT_STATUS_OK;
1464         }
1465
1466         /* just a little sanity check */
1467
1468         if ( q_u->count != uni_privnames->count ) {
1469                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1470                 return NT_STATUS_INVALID_HANDLE;
1471         }
1472
1473         for ( i=0; i<q_u->count; i++ ) {
1474                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1475
1476                 /* only try to add non-null strings */
1477
1478                 if ( !uni4_str->string )
1479                         continue;
1480
1481                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1482
1483                 if ( !revoke_privilege_by_name( &sid, privname ) ) {
1484                         DEBUG(2,("_lsa_remove_acct_rights: Failed to revoke privilege [%s]\n", privname ));
1485                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1486                 }
1487         }
1488
1489         return NT_STATUS_OK;
1490 }
1491
1492
1493 /***************************************************************************
1494  ***************************************************************************/
1495
1496 NTSTATUS _lsa_enum_acct_rights(pipes_struct *p, LSA_Q_ENUM_ACCT_RIGHTS *q_u, LSA_R_ENUM_ACCT_RIGHTS *r_u)
1497 {
1498         struct lsa_info *info = NULL;
1499         DOM_SID sid;
1500         PRIVILEGE_SET privileges;
1501         SE_PRIV mask;
1502
1503
1504         /* find the connection policy handle. */
1505
1506         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1507                 return NT_STATUS_INVALID_HANDLE;
1508
1509         /* according to an NT4 PDC, you can add privileges to SIDs even without
1510            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1511
1512         sid_copy( &sid, &q_u->sid.sid );
1513
1514         if ( !get_privileges_for_sids( &mask, &sid, 1 ) )
1515                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1516
1517         privilege_set_init( &privileges );
1518
1519         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1520
1521                 DEBUG(10,("_lsa_enum_acct_rights: %s has %d privileges\n",
1522                         sid_string_static(&sid), privileges.count));
1523
1524                 r_u->status = init_r_enum_acct_rights( r_u, &privileges );
1525         }
1526         else
1527                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1528
1529         privilege_set_free( &privileges );
1530
1531         return r_u->status;
1532 }
1533
1534
1535 /***************************************************************************
1536  ***************************************************************************/
1537
1538 NTSTATUS _lsa_lookup_priv_value(pipes_struct *p, LSA_Q_LOOKUP_PRIV_VALUE *q_u, LSA_R_LOOKUP_PRIV_VALUE *r_u)
1539 {
1540         struct lsa_info *info = NULL;
1541         fstring name;
1542         LUID_ATTR priv_luid;
1543         SE_PRIV mask;
1544
1545         /* find the connection policy handle. */
1546
1547         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1548                 return NT_STATUS_INVALID_HANDLE;
1549
1550         unistr2_to_ascii(name, &q_u->privname.unistring, sizeof(name));
1551
1552         DEBUG(10,("_lsa_lookup_priv_value: name = %s\n", name));
1553
1554         if ( !se_priv_from_name( name, &mask ) )
1555                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1556
1557         priv_luid = get_privilege_luid( &mask );
1558
1559         r_u->luid.low  = priv_luid.luid.low;
1560         r_u->luid.high = priv_luid.luid.high;
1561
1562
1563         return NT_STATUS_OK;
1564 }
1565