source3/passdb/pdb_ldap.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    LDAP protocol helper functions for SAMBA
   4    Copyright (C) Jean François Micouleau        1998
   5    Copyright (C) Gerald Carter                  2001-2003
   6    Copyright (C) Shahms King                    2001
   7    Copyright (C) Andrew Bartlett                2002-2003
   8    Copyright (C) Stefan (metze) Metzmacher      2002-2003
   9    Copyright (C) Simo Sorce                     2006
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 */
  25
  26 /* TODO:
  27 *  persistent connections: if using NSS LDAP, many connections are made
  28 *      however, using only one within Samba would be nice
  29 *
  30 *  Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
  31 *
  32 *  Other LDAP based login attributes: accountExpires, etc.
  33 *  (should be the domain of Samba proper, but the sam_password/struct samu
  34 *  structures don't have fields for some of these attributes)
  35 *
  36 *  SSL is done, but can't get the certificate based authentication to work
  37 *  against on my test platform (Linux 2.4, OpenLDAP 2.x)
  38 */
  39
  40 /* NOTE: this will NOT work against an Active Directory server
  41 *  due to the fact that the two password fields cannot be retrieved
  42 *  from a server; recommend using security = domain in this situation
  43 *  and/or winbind
  44 */
  45
  46 #include "includes.h"
  47 #include "../libcli/auth/libcli_auth.h"
  48 #include "secrets.h"
  49 #include "idmap_cache.h"
  50 #include "../libcli/security/security.h"
  51
  52 #undef DBGC_CLASS
  53 #define DBGC_CLASS DBGC_PASSDB
  54
  55 #include <lber.h>
  56 #include <ldap.h>
  57
  58
  59 #include "smbldap.h"
  60
  61 /**********************************************************************
  62  Simple helper function to make stuff better readable
  63  **********************************************************************/
  64
  65 LDAP *priv2ld(struct ldapsam_privates *priv)
  66 {
  67         return priv->smbldap_state->ldap_struct;
  68 }
  69
  70 /**********************************************************************
  71  Get the attribute name given a user schame version.
  72  **********************************************************************/
  73
  74 static const char* get_userattr_key2string( int schema_ver, int key )
  75 {
  76         switch ( schema_ver ) {
  77                 case SCHEMAVER_SAMBAACCOUNT:
  78                         return get_attr_key2string( attrib_map_v22, key );
  79
  80                 case SCHEMAVER_SAMBASAMACCOUNT:
  81                         return get_attr_key2string( attrib_map_v30, key );
  82
  83                 default:
  84                         DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
  85                         break;
  86         }
  87         return NULL;
  88 }
  89
  90 /**********************************************************************
  91  Return the list of attribute names given a user schema version.
  92 **********************************************************************/
  93
  94 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
  95 {
  96         switch ( schema_ver ) {
  97                 case SCHEMAVER_SAMBAACCOUNT:
  98                         return get_attr_list( mem_ctx, attrib_map_v22 );
  99
 100                 case SCHEMAVER_SAMBASAMACCOUNT:
 101                         return get_attr_list( mem_ctx, attrib_map_v30 );
 102                 default:
 103                         DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
 104                         break;
 105         }
 106
 107         return NULL;
 108 }
 109
 110 /**************************************************************************
 111  Return the list of attribute names to delete given a user schema version.
 112 **************************************************************************/
 113
 114 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
 115                                               int schema_ver )
 116 {
 117         switch ( schema_ver ) {
 118                 case SCHEMAVER_SAMBAACCOUNT:
 119                         return get_attr_list( mem_ctx,
 120                                               attrib_map_to_delete_v22 );
 121
 122                 case SCHEMAVER_SAMBASAMACCOUNT:
 123                         return get_attr_list( mem_ctx,
 124                                               attrib_map_to_delete_v30 );
 125                 default:
 126                         DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
 127                         break;
 128         }
 129
 130         return NULL;
 131 }
 132
 133
 134 /*******************************************************************
 135  Generate the LDAP search filter for the objectclass based on the
 136  version of the schema we are using.
 137 ******************************************************************/
 138
 139 static const char* get_objclass_filter( int schema_ver )
 140 {
 141         fstring objclass_filter;
 142         char *result;
 143
 144         switch( schema_ver ) {
 145                 case SCHEMAVER_SAMBAACCOUNT:
 146                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
 147                         break;
 148                 case SCHEMAVER_SAMBASAMACCOUNT:
 149                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
 150                         break;
 151                 default:
 152                         DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
 153                         objclass_filter[0] = '\0';
 154                         break;
 155         }
 156
 157         result = talloc_strdup(talloc_tos(), objclass_filter);
 158         SMB_ASSERT(result != NULL);
 159         return result;
 160 }
 161
 162 /*****************************************************************
 163  Scan a sequence number off OpenLDAP's syncrepl contextCSN
 164 ******************************************************************/
 165
 166 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
 167 {
 168         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
 169         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
 170         LDAPMessage *msg = NULL;
 171         LDAPMessage *entry = NULL;
 172         TALLOC_CTX *mem_ctx;
 173         char **values = NULL;
 174         int rc, num_result, num_values, rid;
 175         char *suffix = NULL;
 176         char *tok;
 177         const char *p;
 178         const char **attrs;
 179
 180         /* Unfortunatly there is no proper way to detect syncrepl-support in
 181          * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
 182          * but do not show up in the root-DSE yet. Neither we can query the
 183          * subschema-context for the syncProviderSubentry or syncConsumerSubentry
 184          * objectclass. Currently we require lp_ldap_suffix() to show up as
 185          * namingContext.  -  Guenther
 186          */
 187
 188         if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
 189                 return ntstatus;
 190         }
 191
 192         if (!seq_num) {
 193                 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
 194                 return ntstatus;
 195         }
 196
 197         if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
 198                 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
 199                          "as top-level namingContext\n", lp_ldap_suffix()));
 200                 return ntstatus;
 201         }
 202
 203         mem_ctx = talloc_init("ldapsam_get_seq_num");
 204
 205         if (mem_ctx == NULL)
 206                 return NT_STATUS_NO_MEMORY;
 207
 208         if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
 209                 ntstatus = NT_STATUS_NO_MEMORY;
 210                 goto done;
 211         }
 212
 213         /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
 214         rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
 215         if (rid > 0) {
 216
 217                 /* consumer syncreplCookie: */
 218                 /* csn=20050126161620Z#0000001#00#00000 */
 219                 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
 220                 attrs[1] = NULL;
 221                 suffix = talloc_asprintf(mem_ctx,
 222                                 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
 223                 if (!suffix) {
 224                         ntstatus = NT_STATUS_NO_MEMORY;
 225                         goto done;
 226                 }
 227         } else {
 228
 229                 /* provider contextCSN */
 230                 /* 20050126161620Z#000009#00#000000 */
 231                 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
 232                 attrs[1] = NULL;
 233                 suffix = talloc_asprintf(mem_ctx,
 234                                 "cn=ldapsync,%s", lp_ldap_suffix());
 235
 236                 if (!suffix) {
 237                         ntstatus = NT_STATUS_NO_MEMORY;
 238                         goto done;
 239                 }
 240         }
 241
 242         rc = smbldap_search(ldap_state->smbldap_state, suffix,
 243                             LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
 244
 245         if (rc != LDAP_SUCCESS) {
 246                 goto done;
 247         }
 248
 249         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
 250         if (num_result != 1) {
 251                 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
 252                 goto done;
 253         }
 254
 255         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
 256         if (entry == NULL) {
 257                 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
 258                 goto done;
 259         }
 260
 261         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
 262         if (values == NULL) {
 263                 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
 264                 goto done;
 265         }
 266
 267         num_values = ldap_count_values(values);
 268         if (num_values == 0) {
 269                 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
 270                 goto done;
 271         }
 272
 273         p = values[0];
 274         if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
 275                 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
 276                 goto done;
 277         }
 278
 279         p = tok;
 280         if (!strncmp(p, "csn=", strlen("csn=")))
 281                 p += strlen("csn=");
 282
 283         DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
 284
 285         *seq_num = generalized_to_unix_time(p);
 286
 287         /* very basic sanity check */
 288         if (*seq_num <= 0) {
 289                 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
 290                         (int)*seq_num));
 291                 goto done;
 292         }
 293
 294         ntstatus = NT_STATUS_OK;
 295
 296  done:
 297         if (values != NULL)
 298                 ldap_value_free(values);
 299         if (msg != NULL)
 300                 ldap_msgfree(msg);
 301         if (mem_ctx)
 302                 talloc_destroy(mem_ctx);
 303
 304         return ntstatus;
 305 }
 306
 307 /*******************************************************************
 308  Run the search by name.
 309 ******************************************************************/
 310
 311 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
 312                                           const char *user,
 313                                           LDAPMessage ** result,
 314                                           const char **attr)
 315 {
 316         char *filter = NULL;
 317         char *escape_user = escape_ldap_string(talloc_tos(), user);
 318         int ret = -1;
 319
 320         if (!escape_user) {
 321                 return LDAP_NO_MEMORY;
 322         }
 323
 324         /*
 325          * in the filter expression, replace %u with the real name
 326          * so in ldap filter, %u MUST exist :-)
 327          */
 328         filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
 329                 get_objclass_filter(ldap_state->schema_ver));
 330         if (!filter) {
 331                 TALLOC_FREE(escape_user);
 332                 return LDAP_NO_MEMORY;
 333         }
 334         /*
 335          * have to use this here because $ is filtered out
 336          * in string_sub
 337          */
 338
 339         filter = talloc_all_string_sub(talloc_tos(),
 340                                 filter, "%u", escape_user);
 341         TALLOC_FREE(escape_user);
 342         if (!filter) {
 343                 return LDAP_NO_MEMORY;
 344         }
 345
 346         ret = smbldap_search_suffix(ldap_state->smbldap_state,
 347                         filter, attr, result);
 348         TALLOC_FREE(filter);
 349         return ret;
 350 }
 351
 352 /*******************************************************************
 353  Run the search by rid.
 354 ******************************************************************/
 355
 356 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
 357                                          uint32_t rid, LDAPMessage ** result,
 358                                          const char **attr)
 359 {
 360         char *filter = NULL;
 361         int rc;
 362
 363         filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
 364                 get_objclass_filter(ldap_state->schema_ver));
 365         if (!filter) {
 366                 return LDAP_NO_MEMORY;
 367         }
 368
 369         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 370                         filter, attr, result);
 371         TALLOC_FREE(filter);
 372         return rc;
 373 }
 374
 375 /*******************************************************************
 376  Run the search by SID.
 377 ******************************************************************/
 378
 379 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
 380                                  const struct dom_sid *sid, LDAPMessage ** result,
 381                                  const char **attr)
 382 {
 383         char *filter = NULL;
 384         int rc;
 385         fstring sid_string;
 386
 387         filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
 388                 get_userattr_key2string(ldap_state->schema_ver,
 389                         LDAP_ATTR_USER_SID),
 390                 sid_to_fstring(sid_string, sid),
 391                 get_objclass_filter(ldap_state->schema_ver));
 392         if (!filter) {
 393                 return LDAP_NO_MEMORY;
 394         }
 395
 396         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 397                         filter, attr, result);
 398
 399         TALLOC_FREE(filter);
 400         return rc;
 401 }
 402
 403 /*******************************************************************
 404  Delete complete object or objectclass and attrs from
 405  object found in search_result depending on lp_ldap_delete_dn
 406 ******************************************************************/
 407
 408 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
 409                                 TALLOC_CTX *mem_ctx,
 410                                 LDAPMessage *entry,
 411                                 const char *objectclass,
 412                                 const char **attrs)
 413 {
 414         LDAPMod **mods = NULL;
 415         char *name;
 416         const char *dn;
 417         BerElement *ptr = NULL;
 418
 419         dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
 420         if (dn == NULL) {
 421                 return LDAP_NO_MEMORY;
 422         }
 423
 424         if (lp_ldap_delete_dn()) {
 425                 return smbldap_delete(priv->smbldap_state, dn);
 426         }
 427
 428         /* Ok, delete only the SAM attributes */
 429
 430         for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
 431              name != NULL;
 432              name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
 433                 const char **attrib;
 434
 435                 /* We are only allowed to delete the attributes that
 436                    really exist. */
 437
 438                 for (attrib = attrs; *attrib != NULL; attrib++) {
 439                         if (strequal(*attrib, name)) {
 440                                 DEBUG(10, ("ldapsam_delete_entry: deleting "
 441                                            "attribute %s\n", name));
 442                                 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
 443                                                 NULL);
 444                         }
 445                 }
 446                 ldap_memfree(name);
 447         }
 448
 449         if (ptr != NULL) {
 450                 ber_free(ptr, 0);
 451         }
 452
 453         smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
 454         talloc_autofree_ldapmod(mem_ctx, mods);
 455
 456         return smbldap_modify(priv->smbldap_state, dn, mods);
 457 }
 458
 459 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
 460 {
 461         char *temp;
 462         struct tm tm;
 463
 464         temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
 465                         get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
 466                         talloc_tos());
 467         if (!temp) {
 468                 return (time_t) 0;
 469         }
 470
 471         if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
 472                 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
 473                         (char*)temp));
 474                 TALLOC_FREE(temp);
 475                 return (time_t) 0;
 476         }
 477         TALLOC_FREE(temp);
 478         tzset();
 479         return timegm(&tm);
 480 }
 481
 482 /**********************************************************************
 483  Initialize struct samu from an LDAP query.
 484  (Based on init_sam_from_buffer in pdb_tdb.c)
 485 *********************************************************************/
 486
 487 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
 488                                 struct samu * sampass,
 489                                 LDAPMessage * entry)
 490 {
 491         time_t  logon_time,
 492                         logoff_time,
 493                         kickoff_time,
 494                         pass_last_set_time,
 495                         pass_can_change_time,
 496                         pass_must_change_time,
 497                         ldap_entry_time,
 498                         bad_password_time;
 499         char *username = NULL,
 500                         *domain = NULL,
 501                         *nt_username = NULL,
 502                         *fullname = NULL,
 503                         *homedir = NULL,
 504                         *dir_drive = NULL,
 505                         *logon_script = NULL,
 506                         *profile_path = NULL,
 507                         *acct_desc = NULL,
 508                         *workstations = NULL,
 509                         *munged_dial = NULL;
 510         uint32_t                user_rid;
 511         uint8           smblmpwd[LM_HASH_LEN],
 512                         smbntpwd[NT_HASH_LEN];
 513         bool            use_samba_attrs = True;
 514         uint32_t                acct_ctrl = 0;
 515         uint16_t                logon_divs;
 516         uint16_t                bad_password_count = 0,
 517                         logon_count = 0;
 518         uint32_t hours_len;
 519         uint8           hours[MAX_HOURS_LEN];
 520         char *temp = NULL;
 521         struct login_cache cache_entry;
 522         uint32_t                pwHistLen;
 523         bool expand_explicit = lp_passdb_expand_explicit();
 524         bool ret = false;
 525         TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
 526
 527         if (!ctx) {
 528                 return false;
 529         }
 530         if (sampass == NULL || ldap_state == NULL || entry == NULL) {
 531                 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
 532                 goto fn_exit;
 533         }
 534
 535         if (priv2ld(ldap_state) == NULL) {
 536                 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
 537                           "ldap_struct is NULL!\n"));
 538                 goto fn_exit;
 539         }
 540
 541         if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
 542                                         entry,
 543                                         "uid",
 544                                         ctx))) {
 545                 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
 546                           "this user!\n"));
 547                 goto fn_exit;
 548         }
 549
 550         DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
 551
 552         nt_username = talloc_strdup(ctx, username);
 553         if (!nt_username) {
 554                 goto fn_exit;
 555         }
 556
 557         domain = talloc_strdup(ctx, ldap_state->domain_name);
 558         if (!domain) {
 559                 goto fn_exit;
 560         }
 561
 562         pdb_set_username(sampass, username, PDB_SET);
 563
 564         pdb_set_domain(sampass, domain, PDB_DEFAULT);
 565         pdb_set_nt_username(sampass, nt_username, PDB_SET);
 566
 567         /* deal with different attributes between the schema first */
 568
 569         if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
 570                 if ((temp = smbldap_talloc_single_attribute(
 571                                 ldap_state->smbldap_state->ldap_struct,
 572                                 entry,
 573                                 get_userattr_key2string(ldap_state->schema_ver,
 574                                         LDAP_ATTR_USER_SID),
 575                                 ctx))!=NULL) {
 576                         pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
 577                 }
 578         } else {
 579                 if ((temp = smbldap_talloc_single_attribute(
 580                                 ldap_state->smbldap_state->ldap_struct,
 581                                 entry,
 582                                 get_userattr_key2string(ldap_state->schema_ver,
 583                                         LDAP_ATTR_USER_RID),
 584                                 ctx))!=NULL) {
 585                         user_rid = (uint32_t)atol(temp);
 586                         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
 587                 }
 588         }
 589
 590         if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
 591                 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
 592                         get_userattr_key2string(ldap_state->schema_ver,
 593                                 LDAP_ATTR_USER_SID),
 594                         get_userattr_key2string(ldap_state->schema_ver,
 595                                 LDAP_ATTR_USER_RID),
 596                         username));
 597                 return False;
 598         }
 599
 600         temp = smbldap_talloc_single_attribute(
 601                         ldap_state->smbldap_state->ldap_struct,
 602                         entry,
 603                         get_userattr_key2string(ldap_state->schema_ver,
 604                                 LDAP_ATTR_PWD_LAST_SET),
 605                         ctx);
 606         if (temp) {
 607                 pass_last_set_time = (time_t) atol(temp);
 608                 pdb_set_pass_last_set_time(sampass,
 609                                 pass_last_set_time, PDB_SET);
 610         }
 611
 612         temp = smbldap_talloc_single_attribute(
 613                         ldap_state->smbldap_state->ldap_struct,
 614                         entry,
 615                         get_userattr_key2string(ldap_state->schema_ver,
 616                                 LDAP_ATTR_LOGON_TIME),
 617                         ctx);
 618         if (temp) {
 619                 logon_time = (time_t) atol(temp);
 620                 pdb_set_logon_time(sampass, logon_time, PDB_SET);
 621         }
 622
 623         temp = smbldap_talloc_single_attribute(
 624                         ldap_state->smbldap_state->ldap_struct,
 625                         entry,
 626                         get_userattr_key2string(ldap_state->schema_ver,
 627                                 LDAP_ATTR_LOGOFF_TIME),
 628                         ctx);
 629         if (temp) {
 630                 logoff_time = (time_t) atol(temp);
 631                 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
 632         }
 633
 634         temp = smbldap_talloc_single_attribute(
 635                         ldap_state->smbldap_state->ldap_struct,
 636                         entry,
 637                         get_userattr_key2string(ldap_state->schema_ver,
 638                                 LDAP_ATTR_KICKOFF_TIME),
 639                         ctx);
 640         if (temp) {
 641                 kickoff_time = (time_t) atol(temp);
 642                 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
 643         }
 644
 645         temp = smbldap_talloc_single_attribute(
 646                         ldap_state->smbldap_state->ldap_struct,
 647                         entry,
 648                         get_userattr_key2string(ldap_state->schema_ver,
 649                                 LDAP_ATTR_PWD_CAN_CHANGE),
 650                         ctx);
 651         if (temp) {
 652                 pass_can_change_time = (time_t) atol(temp);
 653                 pdb_set_pass_can_change_time(sampass,
 654                                 pass_can_change_time, PDB_SET);
 655         }
 656
 657         temp = smbldap_talloc_single_attribute(
 658                         ldap_state->smbldap_state->ldap_struct,
 659                         entry,
 660                         get_userattr_key2string(ldap_state->schema_ver,
 661                                 LDAP_ATTR_PWD_MUST_CHANGE),
 662                         ctx);
 663         if (temp) {
 664                 pass_must_change_time = (time_t) atol(temp);
 665                 pdb_set_pass_must_change_time(sampass,
 666                                 pass_must_change_time, PDB_SET);
 667         }
 668
 669         /* recommend that 'gecos' and 'displayName' should refer to the same
 670          * attribute OID.  userFullName depreciated, only used by Samba
 671          * primary rules of LDAP: don't make a new attribute when one is already defined
 672          * that fits your needs; using cn then displayName rather than 'userFullName'
 673          */
 674
 675         fullname = smbldap_talloc_single_attribute(
 676                         ldap_state->smbldap_state->ldap_struct,
 677                         entry,
 678                         get_userattr_key2string(ldap_state->schema_ver,
 679                                 LDAP_ATTR_DISPLAY_NAME),
 680                         ctx);
 681         if (fullname) {
 682                 pdb_set_fullname(sampass, fullname, PDB_SET);
 683         } else {
 684                 fullname = smbldap_talloc_single_attribute(
 685                                 ldap_state->smbldap_state->ldap_struct,
 686                                 entry,
 687                                 get_userattr_key2string(ldap_state->schema_ver,
 688                                         LDAP_ATTR_CN),
 689                                 ctx);
 690                 if (fullname) {
 691                         pdb_set_fullname(sampass, fullname, PDB_SET);
 692                 }
 693         }
 694
 695         dir_drive = smbldap_talloc_single_attribute(
 696                         ldap_state->smbldap_state->ldap_struct,
 697                         entry,
 698                         get_userattr_key2string(ldap_state->schema_ver,
 699                                 LDAP_ATTR_HOME_DRIVE),
 700                         ctx);
 701         if (dir_drive) {
 702                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
 703         } else {
 704                 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
 705         }
 706
 707         homedir = smbldap_talloc_single_attribute(
 708                         ldap_state->smbldap_state->ldap_struct,
 709                         entry,
 710                         get_userattr_key2string(ldap_state->schema_ver,
 711                                 LDAP_ATTR_HOME_PATH),
 712                         ctx);
 713         if (homedir) {
 714                 if (expand_explicit) {
 715                         homedir = talloc_sub_basic(ctx,
 716                                                 username,
 717                                                 domain,
 718                                                 homedir);
 719                         if (!homedir) {
 720                                 goto fn_exit;
 721                         }
 722                 }
 723                 pdb_set_homedir(sampass, homedir, PDB_SET);
 724         } else {
 725                 pdb_set_homedir(sampass,
 726                         talloc_sub_basic(ctx, username, domain,
 727                                          lp_logon_home()),
 728                         PDB_DEFAULT);
 729         }
 730
 731         logon_script = smbldap_talloc_single_attribute(
 732                         ldap_state->smbldap_state->ldap_struct,
 733                         entry,
 734                         get_userattr_key2string(ldap_state->schema_ver,
 735                                 LDAP_ATTR_LOGON_SCRIPT),
 736                         ctx);
 737         if (logon_script) {
 738                 if (expand_explicit) {
 739                         logon_script = talloc_sub_basic(ctx,
 740                                                 username,
 741                                                 domain,
 742                                                 logon_script);
 743                         if (!logon_script) {
 744                                 goto fn_exit;
 745                         }
 746                 }
 747                 pdb_set_logon_script(sampass, logon_script, PDB_SET);
 748         } else {
 749                 pdb_set_logon_script(sampass,
 750                         talloc_sub_basic(ctx, username, domain,
 751                                          lp_logon_script()),
 752                         PDB_DEFAULT );
 753         }
 754
 755         profile_path = smbldap_talloc_single_attribute(
 756                         ldap_state->smbldap_state->ldap_struct,
 757                         entry,
 758                         get_userattr_key2string(ldap_state->schema_ver,
 759                                 LDAP_ATTR_PROFILE_PATH),
 760                         ctx);
 761         if (profile_path) {
 762                 if (expand_explicit) {
 763                         profile_path = talloc_sub_basic(ctx,
 764                                                 username,
 765                                                 domain,
 766                                                 profile_path);
 767                         if (!profile_path) {
 768                                 goto fn_exit;
 769                         }
 770                 }
 771                 pdb_set_profile_path(sampass, profile_path, PDB_SET);
 772         } else {
 773                 pdb_set_profile_path(sampass,
 774                         talloc_sub_basic(ctx, username, domain,
 775                                           lp_logon_path()),
 776                         PDB_DEFAULT );
 777         }
 778
 779         acct_desc = smbldap_talloc_single_attribute(
 780                         ldap_state->smbldap_state->ldap_struct,
 781                         entry,
 782                         get_userattr_key2string(ldap_state->schema_ver,
 783                                 LDAP_ATTR_DESC),
 784                         ctx);
 785         if (acct_desc) {
 786                 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
 787         }
 788
 789         workstations = smbldap_talloc_single_attribute(
 790                         ldap_state->smbldap_state->ldap_struct,
 791                         entry,
 792                         get_userattr_key2string(ldap_state->schema_ver,
 793                                 LDAP_ATTR_USER_WKS),
 794                         ctx);
 795         if (workstations) {
 796                 pdb_set_workstations(sampass, workstations, PDB_SET);
 797         }
 798
 799         munged_dial = smbldap_talloc_single_attribute(
 800                         ldap_state->smbldap_state->ldap_struct,
 801                         entry,
 802                         get_userattr_key2string(ldap_state->schema_ver,
 803                                 LDAP_ATTR_MUNGED_DIAL),
 804                         ctx);
 805         if (munged_dial) {
 806                 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
 807         }
 808
 809         /* FIXME: hours stuff should be cleaner */
 810
 811         logon_divs = 168;
 812         hours_len = 21;
 813         memset(hours, 0xff, hours_len);
 814
 815         if (ldap_state->is_nds_ldap) {
 816                 char *user_dn;
 817                 size_t pwd_len;
 818                 char clear_text_pw[512];
 819
 820                 /* Make call to Novell eDirectory ldap extension to get clear text password.
 821                         NOTE: This will only work if we have an SSL connection to eDirectory. */
 822                 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
 823                 if (user_dn != NULL) {
 824                         DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
 825
 826                         pwd_len = sizeof(clear_text_pw);
 827                         if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
 828                                 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
 829                                 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 830                                         TALLOC_FREE(user_dn);
 831                                         return False;
 832                                 }
 833                                 ZERO_STRUCT(smblmpwd);
 834                                 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 835                                         TALLOC_FREE(user_dn);
 836                                         return False;
 837                                 }
 838                                 ZERO_STRUCT(smbntpwd);
 839                                 use_samba_attrs = False;
 840                         }
 841
 842                         TALLOC_FREE(user_dn);
 843
 844                 } else {
 845                         DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
 846                 }
 847         }
 848
 849         if (use_samba_attrs) {
 850                 temp = smbldap_talloc_single_attribute(
 851                                 ldap_state->smbldap_state->ldap_struct,
 852                                 entry,
 853                                 get_userattr_key2string(ldap_state->schema_ver,
 854                                         LDAP_ATTR_LMPW),
 855                                 ctx);
 856                 if (temp) {
 857                         pdb_gethexpwd(temp, smblmpwd);
 858                         memset((char *)temp, '\0', strlen(temp)+1);
 859                         if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 860                                 goto fn_exit;
 861                         }
 862                         ZERO_STRUCT(smblmpwd);
 863                 }
 864
 865                 temp = smbldap_talloc_single_attribute(
 866                                 ldap_state->smbldap_state->ldap_struct,
 867                                 entry,
 868                                 get_userattr_key2string(ldap_state->schema_ver,
 869                                         LDAP_ATTR_NTPW),
 870                                 ctx);
 871                 if (temp) {
 872                         pdb_gethexpwd(temp, smbntpwd);
 873                         memset((char *)temp, '\0', strlen(temp)+1);
 874                         if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 875                                 goto fn_exit;
 876                         }
 877                         ZERO_STRUCT(smbntpwd);
 878                 }
 879         }
 880
 881         pwHistLen = 0;
 882
 883         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
 884         if (pwHistLen > 0){
 885                 uint8 *pwhist = NULL;
 886                 int i;
 887                 char *history_string = TALLOC_ARRAY(ctx, char,
 888                                                 MAX_PW_HISTORY_LEN*64);
 889
 890                 if (!history_string) {
 891                         goto fn_exit;
 892                 }
 893
 894                 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
 895
 896                 pwhist = TALLOC_ARRAY(ctx, uint8,
 897                                       pwHistLen * PW_HISTORY_ENTRY_LEN);
 898                 if (pwhist == NULL) {
 899                         DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
 900                         goto fn_exit;
 901                 }
 902                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 903
 904                 if (smbldap_get_single_attribute(
 905                                 ldap_state->smbldap_state->ldap_struct,
 906                                 entry,
 907                                 get_userattr_key2string(ldap_state->schema_ver,
 908                                         LDAP_ATTR_PWD_HISTORY),
 909                                 history_string,
 910                                 MAX_PW_HISTORY_LEN*64)) {
 911                         bool hex_failed = false;
 912                         for (i = 0; i < pwHistLen; i++){
 913                                 /* Get the 16 byte salt. */
 914                                 if (!pdb_gethexpwd(&history_string[i*64],
 915                                         &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
 916                                         hex_failed = true;
 917                                         break;
 918                                 }
 919                                 /* Get the 16 byte MD5 hash of salt+passwd. */
 920                                 if (!pdb_gethexpwd(&history_string[(i*64)+32],
 921                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
 922                                                 PW_HISTORY_SALT_LEN])) {
 923                                         hex_failed = True;
 924                                         break;
 925                                 }
 926                         }
 927                         if (hex_failed) {
 928                                 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
 929                                         username));
 930                                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 931                         }
 932                 }
 933                 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
 934                         goto fn_exit;
 935                 }
 936         }
 937
 938         temp = smbldap_talloc_single_attribute(
 939                         ldap_state->smbldap_state->ldap_struct,
 940                         entry,
 941                         get_userattr_key2string(ldap_state->schema_ver,
 942                                 LDAP_ATTR_ACB_INFO),
 943                         ctx);
 944         if (temp) {
 945                 acct_ctrl = pdb_decode_acct_ctrl(temp);
 946
 947                 if (acct_ctrl == 0) {
 948                         acct_ctrl |= ACB_NORMAL;
 949                 }
 950
 951                 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
 952         } else {
 953                 acct_ctrl |= ACB_NORMAL;
 954         }
 955
 956         pdb_set_hours_len(sampass, hours_len, PDB_SET);
 957         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
 958
 959         temp = smbldap_talloc_single_attribute(
 960                         ldap_state->smbldap_state->ldap_struct,
 961                         entry,
 962                         get_userattr_key2string(ldap_state->schema_ver,
 963                                 LDAP_ATTR_BAD_PASSWORD_COUNT),
 964                         ctx);
 965         if (temp) {
 966                 bad_password_count = (uint32_t) atol(temp);
 967                 pdb_set_bad_password_count(sampass,
 968                                 bad_password_count, PDB_SET);
 969         }
 970
 971         temp = smbldap_talloc_single_attribute(
 972                         ldap_state->smbldap_state->ldap_struct,
 973                         entry,
 974                         get_userattr_key2string(ldap_state->schema_ver,
 975                                 LDAP_ATTR_BAD_PASSWORD_TIME),
 976                         ctx);
 977         if (temp) {
 978                 bad_password_time = (time_t) atol(temp);
 979                 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
 980         }
 981
 982
 983         temp = smbldap_talloc_single_attribute(
 984                         ldap_state->smbldap_state->ldap_struct,
 985                         entry,
 986                         get_userattr_key2string(ldap_state->schema_ver,
 987                                 LDAP_ATTR_LOGON_COUNT),
 988                         ctx);
 989         if (temp) {
 990                 logon_count = (uint32_t) atol(temp);
 991                 pdb_set_logon_count(sampass, logon_count, PDB_SET);
 992         }
 993
 994         /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
 995
 996         temp = smbldap_talloc_single_attribute(
 997                         ldap_state->smbldap_state->ldap_struct,
 998                         entry,
 999                         get_userattr_key2string(ldap_state->schema_ver,
1000                                 LDAP_ATTR_LOGON_HOURS),
1001                         ctx);
1002         if (temp) {
1003                 pdb_gethexhours(temp, hours);
1004                 memset((char *)temp, '\0', strlen(temp) +1);
1005                 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1006                 ZERO_STRUCT(hours);
1007         }
1008
1009         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1010                 struct passwd unix_pw;
1011                 bool have_uid = false;
1012                 bool have_gid = false;
1013                 struct dom_sid mapped_gsid;
1014                 const struct dom_sid *primary_gsid;
1015
1016                 ZERO_STRUCT(unix_pw);
1017
1018                 unix_pw.pw_name = username;
1019                 unix_pw.pw_passwd = discard_const_p(char, "x");
1020
1021                 temp = smbldap_talloc_single_attribute(
1022                                 priv2ld(ldap_state),
1023                                 entry,
1024                                 "uidNumber",
1025                                 ctx);
1026                 if (temp) {
1027                         /* We've got a uid, feed the cache */
1028                         unix_pw.pw_uid = strtoul(temp, NULL, 10);
1029                         have_uid = true;
1030                 }
1031                 temp = smbldap_talloc_single_attribute(
1032                                 priv2ld(ldap_state),
1033                                 entry,
1034                                 "gidNumber",
1035                                 ctx);
1036                 if (temp) {
1037                         /* We've got a uid, feed the cache */
1038                         unix_pw.pw_gid = strtoul(temp, NULL, 10);
1039                         have_gid = true;
1040                 }
1041                 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1042                                 priv2ld(ldap_state),
1043                                 entry,
1044                                 "gecos",
1045                                 ctx);
1046                 if (unix_pw.pw_gecos) {
1047                         unix_pw.pw_gecos = fullname;
1048                 }
1049                 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1050                                 priv2ld(ldap_state),
1051                                 entry,
1052                                 "homeDirectory",
1053                                 ctx);
1054                 if (unix_pw.pw_dir) {
1055                         unix_pw.pw_dir = discard_const_p(char, "");
1056                 }
1057                 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1058                                 priv2ld(ldap_state),
1059                                 entry,
1060                                 "loginShell",
1061                                 ctx);
1062                 if (unix_pw.pw_shell) {
1063                         unix_pw.pw_shell = discard_const_p(char, "");
1064                 }
1065
1066                 if (have_uid && have_gid) {
1067                         sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1068                 } else {
1069                         sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1070                 }
1071
1072                 if (sampass->unix_pw == NULL) {
1073                         DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1074                                  pdb_get_username(sampass)));
1075                         goto fn_exit;
1076                 }
1077
1078                 store_uid_sid_cache(pdb_get_user_sid(sampass),
1079                                     sampass->unix_pw->pw_uid);
1080                 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1081                                         sampass->unix_pw->pw_uid);
1082
1083                 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1084                 primary_gsid = pdb_get_group_sid(sampass);
1085                 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1086                         store_gid_sid_cache(primary_gsid,
1087                                             sampass->unix_pw->pw_gid);
1088                         idmap_cache_set_sid2gid(primary_gsid,
1089                                                 sampass->unix_pw->pw_gid);
1090                 }
1091         }
1092
1093         /* check the timestamp of the cache vs ldap entry */
1094         if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1095                                                             entry))) {
1096                 ret = true;
1097                 goto fn_exit;
1098         }
1099
1100         /* see if we have newer updates */
1101         if (!login_cache_read(sampass, &cache_entry)) {
1102                 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1103                            (unsigned int)pdb_get_bad_password_count(sampass),
1104                            (unsigned int)pdb_get_bad_password_time(sampass)));
1105                 ret = true;
1106                 goto fn_exit;
1107         }
1108
1109         DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1110                   (unsigned int)ldap_entry_time,
1111                   (unsigned int)cache_entry.entry_timestamp,
1112                   (unsigned int)cache_entry.bad_password_time));
1113
1114         if (ldap_entry_time > cache_entry.entry_timestamp) {
1115                 /* cache is older than directory , so
1116                    we need to delete the entry but allow the
1117                    fields to be written out */
1118                 login_cache_delentry(sampass);
1119         } else {
1120                 /* read cache in */
1121                 pdb_set_acct_ctrl(sampass,
1122                                   pdb_get_acct_ctrl(sampass) |
1123                                   (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1124                                   PDB_SET);
1125                 pdb_set_bad_password_count(sampass,
1126                                            cache_entry.bad_password_count,
1127                                            PDB_SET);
1128                 pdb_set_bad_password_time(sampass,
1129                                           cache_entry.bad_password_time,
1130                                           PDB_SET);
1131         }
1132
1133         ret = true;
1134
1135   fn_exit:
1136
1137         TALLOC_FREE(ctx);
1138         return ret;
1139 }
1140
1141 /**********************************************************************
1142  Initialize the ldap db from a struct samu. Called on update.
1143  (Based on init_buffer_from_sam in pdb_tdb.c)
1144 *********************************************************************/
1145
1146 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1147                                 LDAPMessage *existing,
1148                                 LDAPMod *** mods, struct samu * sampass,
1149                                 bool (*need_update)(const struct samu *,
1150                                                     enum pdb_elements))
1151 {
1152         char *temp = NULL;
1153         uint32_t rid;
1154
1155         if (mods == NULL || sampass == NULL) {
1156                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1157                 return False;
1158         }
1159
1160         *mods = NULL;
1161
1162         /*
1163          * took out adding "objectclass: sambaAccount"
1164          * do this on a per-mod basis
1165          */
1166         if (need_update(sampass, PDB_USERNAME)) {
1167                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1168                               "uid", pdb_get_username(sampass));
1169                 if (ldap_state->is_nds_ldap) {
1170                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171                                       "cn", pdb_get_username(sampass));
1172                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1173                                       "sn", pdb_get_username(sampass));
1174                 }
1175         }
1176
1177         DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1178
1179         /* only update the RID if we actually need to */
1180         if (need_update(sampass, PDB_USERSID)) {
1181                 fstring sid_string;
1182                 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1183
1184                 switch ( ldap_state->schema_ver ) {
1185                         case SCHEMAVER_SAMBAACCOUNT:
1186                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1187                                         DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1188                                                   sid_string_dbg(user_sid),
1189                                                   sid_string_dbg(
1190                                                           &ldap_state->domain_sid)));
1191                                         return False;
1192                                 }
1193                                 if (asprintf(&temp, "%i", rid) < 0) {
1194                                         return false;
1195                                 }
1196                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1197                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1198                                         temp);
1199                                 SAFE_FREE(temp);
1200                                 break;
1201
1202                         case SCHEMAVER_SAMBASAMACCOUNT:
1203                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1204                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1205                                         sid_to_fstring(sid_string, user_sid));
1206                                 break;
1207
1208                         default:
1209                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1210                                 break;
1211                 }
1212         }
1213
1214         /* we don't need to store the primary group RID - so leaving it
1215            'free' to hang off the unix primary group makes life easier */
1216
1217         if (need_update(sampass, PDB_GROUPSID)) {
1218                 fstring sid_string;
1219                 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1220
1221                 switch ( ldap_state->schema_ver ) {
1222                         case SCHEMAVER_SAMBAACCOUNT:
1223                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1224                                         DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1225                                                   sid_string_dbg(group_sid),
1226                                                   sid_string_dbg(
1227                                                           &ldap_state->domain_sid)));
1228                                         return False;
1229                                 }
1230
1231                                 if (asprintf(&temp, "%i", rid) < 0) {
1232                                         return false;
1233                                 }
1234                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1235                                         get_userattr_key2string(ldap_state->schema_ver,
1236                                         LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1237                                 SAFE_FREE(temp);
1238                                 break;
1239
1240                         case SCHEMAVER_SAMBASAMACCOUNT:
1241                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1242                                         get_userattr_key2string(ldap_state->schema_ver,
1243                                         LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1244                                 break;
1245
1246                         default:
1247                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1248                                 break;
1249                 }
1250
1251         }
1252
1253         /* displayName, cn, and gecos should all be the same
1254          *  most easily accomplished by giving them the same OID
1255          *  gecos isn't set here b/c it should be handled by the
1256          *  add-user script
1257          *  We change displayName only and fall back to cn if
1258          *  it does not exist.
1259          */
1260
1261         if (need_update(sampass, PDB_FULLNAME))
1262                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1263                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1264                         pdb_get_fullname(sampass));
1265
1266         if (need_update(sampass, PDB_ACCTDESC))
1267                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1268                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1269                         pdb_get_acct_desc(sampass));
1270
1271         if (need_update(sampass, PDB_WORKSTATIONS))
1272                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1273                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1274                         pdb_get_workstations(sampass));
1275
1276         if (need_update(sampass, PDB_MUNGEDDIAL))
1277                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1278                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1279                         pdb_get_munged_dial(sampass));
1280
1281         if (need_update(sampass, PDB_SMBHOME))
1282                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1283                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1284                         pdb_get_homedir(sampass));
1285
1286         if (need_update(sampass, PDB_DRIVE))
1287                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1288                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1289                         pdb_get_dir_drive(sampass));
1290
1291         if (need_update(sampass, PDB_LOGONSCRIPT))
1292                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1293                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1294                         pdb_get_logon_script(sampass));
1295
1296         if (need_update(sampass, PDB_PROFILE))
1297                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1298                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1299                         pdb_get_profile_path(sampass));
1300
1301         if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1302                 return false;
1303         }
1304         if (need_update(sampass, PDB_LOGONTIME))
1305                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1307         SAFE_FREE(temp);
1308
1309         if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1310                 return false;
1311         }
1312         if (need_update(sampass, PDB_LOGOFFTIME))
1313                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1314                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1315         SAFE_FREE(temp);
1316
1317         if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1318                 return false;
1319         }
1320         if (need_update(sampass, PDB_KICKOFFTIME))
1321                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1322                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1323         SAFE_FREE(temp);
1324
1325         if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1326                 return false;
1327         }
1328         if (need_update(sampass, PDB_CANCHANGETIME))
1329                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1330                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1331         SAFE_FREE(temp);
1332
1333         if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1334                 return false;
1335         }
1336         if (need_update(sampass, PDB_MUSTCHANGETIME))
1337                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1338                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1339         SAFE_FREE(temp);
1340
1341         if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1342                         || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1343
1344                 if (need_update(sampass, PDB_LMPASSWD)) {
1345                         const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1346                         if (lm_pw) {
1347                                 char pwstr[34];
1348                                 pdb_sethexpwd(pwstr, lm_pw,
1349                                               pdb_get_acct_ctrl(sampass));
1350                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1351                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1352                                                  pwstr);
1353                         } else {
1354                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1355                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1356                                                  NULL);
1357                         }
1358                 }
1359                 if (need_update(sampass, PDB_NTPASSWD)) {
1360                         const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1361                         if (nt_pw) {
1362                                 char pwstr[34];
1363                                 pdb_sethexpwd(pwstr, nt_pw,
1364                                               pdb_get_acct_ctrl(sampass));
1365                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1366                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1367                                                  pwstr);
1368                         } else {
1369                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1370                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1371                                                  NULL);
1372                         }
1373                 }
1374
1375                 if (need_update(sampass, PDB_PWHISTORY)) {
1376                         char *pwstr = NULL;
1377                         uint32_t pwHistLen = 0;
1378                         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1379
1380                         pwstr = SMB_MALLOC_ARRAY(char, 1024);
1381                         if (!pwstr) {
1382                                 return false;
1383                         }
1384                         if (pwHistLen == 0) {
1385                                 /* Remove any password history from the LDAP store. */
1386                                 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1387                                 pwstr[64] = '\0';
1388                         } else {
1389                                 int i;
1390                                 uint32_t currHistLen = 0;
1391                                 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1392                                 if (pwhist != NULL) {
1393                                         /* We can only store (1024-1/64 password history entries. */
1394                                         pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1395                                         for (i=0; i< pwHistLen && i < currHistLen; i++) {
1396                                                 /* Store the salt. */
1397                                                 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1398                                                 /* Followed by the md5 hash of salt + md4 hash */
1399                                                 pdb_sethexpwd(&pwstr[(i*64)+32],
1400                                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1401                                                 DEBUG(100, ("pwstr=%s\n", pwstr));
1402                                         }
1403                                 }
1404                         }
1405                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1406                                          get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1407                                          pwstr);
1408                         SAFE_FREE(pwstr);
1409                 }
1410
1411                 if (need_update(sampass, PDB_PASSLASTSET)) {
1412                         if (asprintf(&temp, "%li",
1413                                 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1414                                 return false;
1415                         }
1416                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1417                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1418                                 temp);
1419                         SAFE_FREE(temp);
1420                 }
1421         }
1422
1423         if (need_update(sampass, PDB_HOURS)) {
1424                 const uint8 *hours = pdb_get_hours(sampass);
1425                 if (hours) {
1426                         char hourstr[44];
1427                         pdb_sethexhours(hourstr, hours);
1428                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1429                                 existing,
1430                                 mods,
1431                                 get_userattr_key2string(ldap_state->schema_ver,
1432                                                 LDAP_ATTR_LOGON_HOURS),
1433                                 hourstr);
1434                 }
1435         }
1436
1437         if (need_update(sampass, PDB_ACCTCTRL))
1438                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1439                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1440                         pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1441
1442         /* password lockout cache:
1443            - If we are now autolocking or clearing, we write to ldap
1444            - If we are clearing, we delete the cache entry
1445            - If the count is > 0, we update the cache
1446
1447            This even means when autolocking, we cache, just in case the
1448            update doesn't work, and we have to cache the autolock flag */
1449
1450         if (need_update(sampass, PDB_BAD_PASSWORD_COUNT))  /* &&
1451             need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1452                 uint16_t badcount = pdb_get_bad_password_count(sampass);
1453                 time_t badtime = pdb_get_bad_password_time(sampass);
1454                 uint32_t pol;
1455                 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1456
1457                 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1458                         (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1459
1460                 if ((badcount >= pol) || (badcount == 0)) {
1461                         DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1462                                 (unsigned int)badcount, (unsigned int)badtime));
1463                         if (asprintf(&temp, "%li", (long)badcount) < 0) {
1464                                 return false;
1465                         }
1466                         smbldap_make_mod(
1467                                 ldap_state->smbldap_state->ldap_struct,
1468                                 existing, mods,
1469                                 get_userattr_key2string(
1470                                         ldap_state->schema_ver,
1471                                         LDAP_ATTR_BAD_PASSWORD_COUNT),
1472                                 temp);
1473                         SAFE_FREE(temp);
1474
1475                         if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1476                                 return false;
1477                         }
1478                         smbldap_make_mod(
1479                                 ldap_state->smbldap_state->ldap_struct,
1480                                 existing, mods,
1481                                 get_userattr_key2string(
1482                                         ldap_state->schema_ver,
1483                                         LDAP_ATTR_BAD_PASSWORD_TIME),
1484                                 temp);
1485                         SAFE_FREE(temp);
1486                 }
1487                 if (badcount == 0) {
1488                         DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1489                         login_cache_delentry(sampass);
1490                 } else {
1491                         struct login_cache cache_entry;
1492
1493                         cache_entry.entry_timestamp = time(NULL);
1494                         cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1495                         cache_entry.bad_password_count = badcount;
1496                         cache_entry.bad_password_time = badtime;
1497
1498                         DEBUG(7, ("Updating bad password count and time in login cache\n"));
1499                         login_cache_write(sampass, &cache_entry);
1500                 }
1501         }
1502
1503         return True;
1504 }
1505
1506 /**********************************************************************
1507  End enumeration of the LDAP password list.
1508 *********************************************************************/
1509
1510 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1511 {
1512         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1513         if (ldap_state->result) {
1514                 ldap_msgfree(ldap_state->result);
1515                 ldap_state->result = NULL;
1516         }
1517 }
1518
1519 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1520                         const char *new_attr)
1521 {
1522         int i;
1523
1524         if (new_attr == NULL) {
1525                 return;
1526         }
1527
1528         for (i=0; (*attr_list)[i] != NULL; i++) {
1529                 ;
1530         }
1531
1532         (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1533                                             const char *,  i+2);
1534         SMB_ASSERT((*attr_list) != NULL);
1535         (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1536         (*attr_list)[i+1] = NULL;
1537 }
1538
1539 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1540                                         const char ***attr_list)
1541 {
1542         append_attr(mem_ctx, attr_list, "uidNumber");
1543         append_attr(mem_ctx, attr_list, "gidNumber");
1544         append_attr(mem_ctx, attr_list, "homeDirectory");
1545         append_attr(mem_ctx, attr_list, "loginShell");
1546         append_attr(mem_ctx, attr_list, "gecos");
1547 }
1548
1549 /**********************************************************************
1550 Get struct samu entry from LDAP by username.
1551 *********************************************************************/
1552
1553 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1554 {
1555         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1556         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1557         LDAPMessage *result = NULL;
1558         LDAPMessage *entry = NULL;
1559         int count;
1560         const char ** attr_list;
1561         int rc;
1562
1563         attr_list = get_userattr_list( user, ldap_state->schema_ver );
1564         append_attr(user, &attr_list,
1565                     get_userattr_key2string(ldap_state->schema_ver,
1566                                             LDAP_ATTR_MOD_TIMESTAMP));
1567         ldapsam_add_unix_attributes(user, &attr_list);
1568         rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1569                                            attr_list);
1570         TALLOC_FREE( attr_list );
1571
1572         if ( rc != LDAP_SUCCESS )
1573                 return NT_STATUS_NO_SUCH_USER;
1574
1575         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1576
1577         if (count < 1) {
1578                 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1579                 ldap_msgfree(result);
1580                 return NT_STATUS_NO_SUCH_USER;
1581         } else if (count > 1) {
1582                 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1583                 ldap_msgfree(result);
1584                 return NT_STATUS_NO_SUCH_USER;
1585         }
1586
1587         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1588         if (entry) {
1589                 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1590                         DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1591                         ldap_msgfree(result);
1592                         return NT_STATUS_NO_SUCH_USER;
1593                 }
1594                 pdb_set_backend_private_data(user, result, NULL,
1595                                              my_methods, PDB_CHANGED);
1596                 talloc_autofree_ldapmsg(user, result);
1597                 ret = NT_STATUS_OK;
1598         } else {
1599                 ldap_msgfree(result);
1600         }
1601         return ret;
1602 }
1603
1604 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1605                                    const struct dom_sid *sid, LDAPMessage **result)
1606 {
1607         int rc = -1;
1608         const char ** attr_list;
1609         uint32_t rid;
1610
1611         switch ( ldap_state->schema_ver ) {
1612                 case SCHEMAVER_SAMBASAMACCOUNT: {
1613                         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1614                         if (tmp_ctx == NULL) {
1615                                 return LDAP_NO_MEMORY;
1616                         }
1617
1618                         attr_list = get_userattr_list(tmp_ctx,
1619                                                       ldap_state->schema_ver);
1620                         append_attr(tmp_ctx, &attr_list,
1621                                     get_userattr_key2string(
1622                                             ldap_state->schema_ver,
1623                                             LDAP_ATTR_MOD_TIMESTAMP));
1624                         ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1625                         rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1626                                                           result, attr_list);
1627                         TALLOC_FREE(tmp_ctx);
1628
1629                         if ( rc != LDAP_SUCCESS )
1630                                 return rc;
1631                         break;
1632                 }
1633
1634                 case SCHEMAVER_SAMBAACCOUNT:
1635                         if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1636                                 return rc;
1637                         }
1638
1639                         attr_list = get_userattr_list(NULL,
1640                                                       ldap_state->schema_ver);
1641                         rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1642                         TALLOC_FREE( attr_list );
1643
1644                         if ( rc != LDAP_SUCCESS )
1645                                 return rc;
1646                         break;
1647         }
1648         return rc;
1649 }
1650
1651 /**********************************************************************
1652  Get struct samu entry from LDAP by SID.
1653 *********************************************************************/
1654
1655 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1656 {
1657         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1658         LDAPMessage *result = NULL;
1659         LDAPMessage *entry = NULL;
1660         int count;
1661         int rc;
1662
1663         rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1664                                           sid, &result);
1665         if (rc != LDAP_SUCCESS)
1666                 return NT_STATUS_NO_SUCH_USER;
1667
1668         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1669
1670         if (count < 1) {
1671                 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1672                           "count=%d\n", sid_string_dbg(sid), count));
1673                 ldap_msgfree(result);
1674                 return NT_STATUS_NO_SUCH_USER;
1675         }  else if (count > 1) {
1676                 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1677                           "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1678                           count));
1679                 ldap_msgfree(result);
1680                 return NT_STATUS_NO_SUCH_USER;
1681         }
1682
1683         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1684         if (!entry) {
1685                 ldap_msgfree(result);
1686                 return NT_STATUS_NO_SUCH_USER;
1687         }
1688
1689         if (!init_sam_from_ldap(ldap_state, user, entry)) {
1690                 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1691                 ldap_msgfree(result);
1692                 return NT_STATUS_NO_SUCH_USER;
1693         }
1694
1695         pdb_set_backend_private_data(user, result, NULL,
1696                                      my_methods, PDB_CHANGED);
1697         talloc_autofree_ldapmsg(user, result);
1698         return NT_STATUS_OK;
1699 }
1700
1701 /********************************************************************
1702  Do the actual modification - also change a plaintext passord if
1703  it it set.
1704 **********************************************************************/
1705
1706 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1707                                      struct samu *newpwd, char *dn,
1708                                      LDAPMod **mods, int ldap_op,
1709                                      bool (*need_update)(const struct samu *, enum pdb_elements))
1710 {
1711         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1712         int rc;
1713
1714         if (!newpwd || !dn) {
1715                 return NT_STATUS_INVALID_PARAMETER;
1716         }
1717
1718         if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1719                         (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1720                         need_update(newpwd, PDB_PLAINTEXT_PW) &&
1721                         (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1722                 BerElement *ber;
1723                 struct berval *bv;
1724                 char *retoid = NULL;
1725                 struct berval *retdata = NULL;
1726                 char *utf8_password;
1727                 char *utf8_dn;
1728                 size_t converted_size;
1729                 int ret;
1730
1731                 if (!ldap_state->is_nds_ldap) {
1732
1733                         if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1734                                                    LDAP_EXOP_MODIFY_PASSWD)) {
1735                                 DEBUG(2, ("ldap password change requested, but LDAP "
1736                                           "server does not support it -- ignoring\n"));
1737                                 return NT_STATUS_OK;
1738                         }
1739                 }
1740
1741                 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1742                                         pdb_get_plaintext_passwd(newpwd),
1743                                         &converted_size))
1744                 {
1745                         return NT_STATUS_NO_MEMORY;
1746                 }
1747
1748                 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1749                         TALLOC_FREE(utf8_password);
1750                         return NT_STATUS_NO_MEMORY;
1751                 }
1752
1753                 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1754                         DEBUG(0,("ber_alloc_t returns NULL\n"));
1755                         TALLOC_FREE(utf8_password);
1756                         TALLOC_FREE(utf8_dn);
1757                         return NT_STATUS_UNSUCCESSFUL;
1758                 }
1759
1760                 if ((ber_printf (ber, "{") < 0) ||
1761                     (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1762                                  utf8_dn) < 0)) {
1763                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1764                                  "value <0\n"));
1765                         ber_free(ber,1);
1766                         TALLOC_FREE(utf8_dn);
1767                         TALLOC_FREE(utf8_password);
1768                         return NT_STATUS_UNSUCCESSFUL;
1769                 }
1770
1771                 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1772                         ret = ber_printf(ber, "ts}",
1773                                          LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1774                                          utf8_password);
1775                 } else {
1776                         ret = ber_printf(ber, "}");
1777                 }
1778
1779                 if (ret < 0) {
1780                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1781                                  "value <0\n"));
1782                         ber_free(ber,1);
1783                         TALLOC_FREE(utf8_dn);
1784                         TALLOC_FREE(utf8_password);
1785                         return NT_STATUS_UNSUCCESSFUL;
1786                 }
1787
1788                 if ((rc = ber_flatten (ber, &bv))<0) {
1789                         DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1790                         ber_free(ber,1);
1791                         TALLOC_FREE(utf8_dn);
1792                         TALLOC_FREE(utf8_password);
1793                         return NT_STATUS_UNSUCCESSFUL;
1794                 }
1795
1796                 TALLOC_FREE(utf8_dn);
1797                 TALLOC_FREE(utf8_password);
1798                 ber_free(ber, 1);
1799
1800                 if (!ldap_state->is_nds_ldap) {
1801                         rc = smbldap_extended_operation(ldap_state->smbldap_state,
1802                                                         LDAP_EXOP_MODIFY_PASSWD,
1803                                                         bv, NULL, NULL, &retoid,
1804                                                         &retdata);
1805                 } else {
1806                         rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1807                                                         pdb_get_plaintext_passwd(newpwd));
1808                 }
1809                 if (rc != LDAP_SUCCESS) {
1810                         char *ld_error = NULL;
1811
1812                         if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1813                                 DEBUG(3, ("Could not set userPassword "
1814                                           "attribute due to an objectClass "
1815                                           "violation -- ignoring\n"));
1816                                 ber_bvfree(bv);
1817                                 return NT_STATUS_OK;
1818                         }
1819
1820                         ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1821                                         &ld_error);
1822                         DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1823                                 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1824                         SAFE_FREE(ld_error);
1825                         ber_bvfree(bv);
1826 #if defined(LDAP_CONSTRAINT_VIOLATION)
1827                         if (rc == LDAP_CONSTRAINT_VIOLATION)
1828                                 return NT_STATUS_PASSWORD_RESTRICTION;
1829 #endif
1830                         return NT_STATUS_UNSUCCESSFUL;
1831                 } else {
1832                         DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1833 #ifdef DEBUG_PASSWORD
1834                         DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1835 #endif
1836                         if (retdata)
1837                                 ber_bvfree(retdata);
1838                         if (retoid)
1839                                 ldap_memfree(retoid);
1840                 }
1841                 ber_bvfree(bv);
1842         }
1843
1844         if (!mods) {
1845                 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1846                 /* may be password change below however */
1847         } else {
1848                 switch(ldap_op) {
1849                         case LDAP_MOD_ADD:
1850                                 if (ldap_state->is_nds_ldap) {
1851                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1852                                                         "objectclass",
1853                                                         "inetOrgPerson");
1854                                 } else {
1855                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1856                                                         "objectclass",
1857                                                         LDAP_OBJ_ACCOUNT);
1858                                 }
1859                                 rc = smbldap_add(ldap_state->smbldap_state,
1860                                                  dn, mods);
1861                                 break;
1862                         case LDAP_MOD_REPLACE:
1863                                 rc = smbldap_modify(ldap_state->smbldap_state,
1864                                                     dn ,mods);
1865                                 break;
1866                         default:
1867                                 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1868                                          ldap_op));
1869                                 return NT_STATUS_INVALID_PARAMETER;
1870                 }
1871
1872                 if (rc!=LDAP_SUCCESS) {
1873                         return NT_STATUS_UNSUCCESSFUL;
1874                 }
1875         }
1876
1877         return NT_STATUS_OK;
1878 }
1879
1880 /**********************************************************************
1881  Delete entry from LDAP for username.
1882 *********************************************************************/
1883
1884 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1885                                            struct samu * sam_acct)
1886 {
1887         struct ldapsam_privates *priv =
1888                 (struct ldapsam_privates *)my_methods->private_data;
1889         const char *sname;
1890         int rc;
1891         LDAPMessage *msg, *entry;
1892         NTSTATUS result = NT_STATUS_NO_MEMORY;
1893         const char **attr_list;
1894         TALLOC_CTX *mem_ctx;
1895
1896         if (!sam_acct) {
1897                 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1898                 return NT_STATUS_INVALID_PARAMETER;
1899         }
1900
1901         sname = pdb_get_username(sam_acct);
1902
1903         DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1904                   "LDAP.\n", sname));
1905
1906         mem_ctx = talloc_new(NULL);
1907         if (mem_ctx == NULL) {
1908                 DEBUG(0, ("talloc_new failed\n"));
1909                 goto done;
1910         }
1911
1912         attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1913         if (attr_list == NULL) {
1914                 goto done;
1915         }
1916
1917         rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1918
1919         if ((rc != LDAP_SUCCESS) ||
1920             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1921             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1922                 DEBUG(5, ("Could not find user %s\n", sname));
1923                 result = NT_STATUS_NO_SUCH_USER;
1924                 goto done;
1925         }
1926
1927         rc = ldapsam_delete_entry(
1928                 priv, mem_ctx, entry,
1929                 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1930                 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1931                 attr_list);
1932
1933         result = (rc == LDAP_SUCCESS) ?
1934                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1935
1936  done:
1937         TALLOC_FREE(mem_ctx);
1938         return result;
1939 }
1940
1941 /**********************************************************************
1942  Helper function to determine for update_sam_account whether
1943  we need LDAP modification.
1944 *********************************************************************/
1945
1946 static bool element_is_changed(const struct samu *sampass,
1947                                enum pdb_elements element)
1948 {
1949         return IS_SAM_CHANGED(sampass, element);
1950 }
1951
1952 /**********************************************************************
1953  Update struct samu.
1954 *********************************************************************/
1955
1956 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1957 {
1958         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1959         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1960         int rc = 0;
1961         char *dn;
1962         LDAPMessage *result = NULL;
1963         LDAPMessage *entry = NULL;
1964         LDAPMod **mods = NULL;
1965         const char **attr_list;
1966
1967         result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1968         if (!result) {
1969                 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1970                 if (pdb_get_username(newpwd) == NULL) {
1971                         return NT_STATUS_INVALID_PARAMETER;
1972                 }
1973                 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1974                 TALLOC_FREE( attr_list );
1975                 if (rc != LDAP_SUCCESS) {
1976                         return NT_STATUS_UNSUCCESSFUL;
1977                 }
1978                 pdb_set_backend_private_data(newpwd, result, NULL,
1979                                              my_methods, PDB_CHANGED);
1980                 talloc_autofree_ldapmsg(newpwd, result);
1981         }
1982
1983         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1984                 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1985                 return NT_STATUS_UNSUCCESSFUL;
1986         }
1987
1988         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1989         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1990         if (!dn) {
1991                 return NT_STATUS_UNSUCCESSFUL;
1992         }
1993
1994         DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1995
1996         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1997                                 element_is_changed)) {
1998                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1999                 TALLOC_FREE(dn);
2000                 if (mods != NULL)
2001                         ldap_mods_free(mods,True);
2002                 return NT_STATUS_UNSUCCESSFUL;
2003         }
2004
2005         if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2006             && (mods == NULL)) {
2007                 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2008                          pdb_get_username(newpwd)));
2009                 TALLOC_FREE(dn);
2010                 return NT_STATUS_OK;
2011         }
2012
2013         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2014
2015         if (mods != NULL) {
2016                 ldap_mods_free(mods,True);
2017         }
2018
2019         TALLOC_FREE(dn);
2020
2021         /*
2022          * We need to set the backend private data to NULL here. For example
2023          * setuserinfo level 25 does a pdb_update_sam_account twice on the
2024          * same one, and with the explicit delete / add logic for attribute
2025          * values the second time we would use the wrong "old" value which
2026          * does not exist in LDAP anymore. Thus the LDAP server would refuse
2027          * the update.
2028          * The existing LDAPMessage is still being auto-freed by the
2029          * destructor.
2030          */
2031         pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2032                                      PDB_CHANGED);
2033
2034         if (!NT_STATUS_IS_OK(ret)) {
2035                 return ret;
2036         }
2037
2038         DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2039                   pdb_get_username(newpwd)));
2040         return NT_STATUS_OK;
2041 }
2042
2043 /***************************************************************************
2044  Renames a struct samu
2045  - The "rename user script" has full responsibility for changing everything
2046 ***************************************************************************/
2047
2048 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2049                                      TALLOC_CTX *tmp_ctx,
2050                                      uint32_t group_rid,
2051                                      uint32_t member_rid);
2052
2053 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2054                                                TALLOC_CTX *mem_ctx,
2055                                                struct samu *user,
2056                                                struct dom_sid **pp_sids,
2057                                                gid_t **pp_gids,
2058                                                uint32_t *p_num_groups);
2059
2060 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2061                                            struct samu *old_acct,
2062                                            const char *newname)
2063 {
2064         const char *oldname;
2065         int rc;
2066         char *rename_script = NULL;
2067         fstring oldname_lower, newname_lower;
2068
2069         if (!old_acct) {
2070                 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2071                 return NT_STATUS_INVALID_PARAMETER;
2072         }
2073         if (!newname) {
2074                 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2075                 return NT_STATUS_INVALID_PARAMETER;
2076         }
2077
2078         oldname = pdb_get_username(old_acct);
2079
2080         /* rename the posix user */
2081         rename_script = SMB_STRDUP(lp_renameuser_script());
2082         if (rename_script == NULL) {
2083                 return NT_STATUS_NO_MEMORY;
2084         }
2085
2086         if (!(*rename_script)) {
2087                 SAFE_FREE(rename_script);
2088                 return NT_STATUS_ACCESS_DENIED;
2089         }
2090
2091         DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2092                    oldname, newname));
2093
2094         /* We have to allow the account name to end with a '$'.
2095            Also, follow the semantics in _samr_create_user() and lower case the
2096            posix name but preserve the case in passdb */
2097
2098         fstrcpy( oldname_lower, oldname );
2099         strlower_m( oldname_lower );
2100         fstrcpy( newname_lower, newname );
2101         strlower_m( newname_lower );
2102         rename_script = realloc_string_sub2(rename_script,
2103                                         "%unew",
2104                                         newname_lower,
2105                                         true,
2106                                         true);
2107         if (!rename_script) {
2108                 return NT_STATUS_NO_MEMORY;
2109         }
2110         rename_script = realloc_string_sub2(rename_script,
2111                                         "%uold",
2112                                         oldname_lower,
2113                                         true,
2114                                         true);
2115         rc = smbrun(rename_script, NULL);
2116
2117         DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2118                           rename_script, rc));
2119
2120         SAFE_FREE(rename_script);
2121
2122         if (rc == 0) {
2123                 smb_nscd_flush_user_cache();
2124         }
2125
2126         if (rc)
2127                 return NT_STATUS_UNSUCCESSFUL;
2128
2129         return NT_STATUS_OK;
2130 }
2131
2132 /**********************************************************************
2133  Helper function to determine for update_sam_account whether
2134  we need LDAP modification.
2135  *********************************************************************/
2136
2137 static bool element_is_set_or_changed(const struct samu *sampass,
2138                                       enum pdb_elements element)
2139 {
2140         return (IS_SAM_SET(sampass, element) ||
2141                 IS_SAM_CHANGED(sampass, element));
2142 }
2143
2144 /**********************************************************************
2145  Add struct samu to LDAP.
2146 *********************************************************************/
2147
2148 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2149 {
2150         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2151         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2152         int rc;
2153         LDAPMessage     *result = NULL;
2154         LDAPMessage     *entry  = NULL;
2155         LDAPMod         **mods = NULL;
2156         int             ldap_op = LDAP_MOD_REPLACE;
2157         uint32_t                num_result;
2158         const char      **attr_list;
2159         char *escape_user = NULL;
2160         const char      *username = pdb_get_username(newpwd);
2161         const struct dom_sid    *sid = pdb_get_user_sid(newpwd);
2162         char *filter = NULL;
2163         char *dn = NULL;
2164         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2165         TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2166
2167         if (!ctx) {
2168                 return NT_STATUS_NO_MEMORY;
2169         }
2170
2171         if (!username || !*username) {
2172                 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2173                 status = NT_STATUS_INVALID_PARAMETER;
2174                 goto fn_exit;
2175         }
2176
2177         /* free this list after the second search or in case we exit on failure */
2178         attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2179
2180         rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2181
2182         if (rc != LDAP_SUCCESS) {
2183                 goto fn_exit;
2184         }
2185
2186         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2187                 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2188                          username));
2189                 goto fn_exit;
2190         }
2191         ldap_msgfree(result);
2192         result = NULL;
2193
2194         if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2195                 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2196                                                   sid, &result);
2197                 if (rc == LDAP_SUCCESS) {
2198                         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2199                                 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2200                                          "already in the base, with samba "
2201                                          "attributes\n", sid_string_dbg(sid)));
2202                                 goto fn_exit;
2203                         }
2204                         ldap_msgfree(result);
2205                         result = NULL;
2206                 }
2207         }
2208
2209         /* does the entry already exist but without a samba attributes?
2210            we need to return the samba attributes here */
2211
2212         escape_user = escape_ldap_string(talloc_tos(), username);
2213         filter = talloc_strdup(attr_list, "(uid=%u)");
2214         if (!filter) {
2215                 status = NT_STATUS_NO_MEMORY;
2216                 goto fn_exit;
2217         }
2218         filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2219         TALLOC_FREE(escape_user);
2220         if (!filter) {
2221                 status = NT_STATUS_NO_MEMORY;
2222                 goto fn_exit;
2223         }
2224
2225         rc = smbldap_search_suffix(ldap_state->smbldap_state,
2226                                    filter, attr_list, &result);
2227         if ( rc != LDAP_SUCCESS ) {
2228                 goto fn_exit;
2229         }
2230
2231         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2232
2233         if (num_result > 1) {
2234                 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2235                 goto fn_exit;
2236         }
2237
2238         /* Check if we need to update an existing entry */
2239         if (num_result == 1) {
2240                 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2241                 ldap_op = LDAP_MOD_REPLACE;
2242                 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2243                 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2244                 if (!dn) {
2245                         status = NT_STATUS_NO_MEMORY;
2246                         goto fn_exit;
2247                 }
2248
2249         } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2250
2251                 /* There might be a SID for this account already - say an idmap entry */
2252
2253                 filter = talloc_asprintf(ctx,
2254                                 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2255                                  get_userattr_key2string(ldap_state->schema_ver,
2256                                          LDAP_ATTR_USER_SID),
2257                                  sid_string_talloc(ctx, sid),
2258                                  LDAP_OBJ_IDMAP_ENTRY,
2259                                  LDAP_OBJ_SID_ENTRY);
2260                 if (!filter) {
2261                         status = NT_STATUS_NO_MEMORY;
2262                         goto fn_exit;
2263                 }
2264
2265                 /* free old result before doing a new search */
2266                 if (result != NULL) {
2267                         ldap_msgfree(result);
2268                         result = NULL;
2269                 }
2270                 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2271                                            filter, attr_list, &result);
2272
2273                 if ( rc != LDAP_SUCCESS ) {
2274                         goto fn_exit;
2275                 }
2276
2277                 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2278
2279                 if (num_result > 1) {
2280                         DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2281                         goto fn_exit;
2282                 }
2283
2284                 /* Check if we need to update an existing entry */
2285                 if (num_result == 1) {
2286
2287                         DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2288                         ldap_op = LDAP_MOD_REPLACE;
2289                         entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2290                         dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2291                         if (!dn) {
2292                                 status = NT_STATUS_NO_MEMORY;
2293                                 goto fn_exit;
2294                         }
2295                 }
2296         }
2297
2298         if (num_result == 0) {
2299                 char *escape_username;
2300                 /* Check if we need to add an entry */
2301                 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2302                 ldap_op = LDAP_MOD_ADD;
2303
2304                 escape_username = escape_rdn_val_string_alloc(username);
2305                 if (!escape_username) {
2306                         status = NT_STATUS_NO_MEMORY;
2307                         goto fn_exit;
2308                 }
2309
2310                 if (username[strlen(username)-1] == '$') {
2311                         dn = talloc_asprintf(ctx,
2312                                         "uid=%s,%s",
2313                                         escape_username,
2314                                         lp_ldap_machine_suffix());
2315                 } else {
2316                         dn = talloc_asprintf(ctx,
2317                                         "uid=%s,%s",
2318                                         escape_username,
2319                                         lp_ldap_user_suffix());
2320                 }
2321
2322                 SAFE_FREE(escape_username);
2323                 if (!dn) {
2324                         status = NT_STATUS_NO_MEMORY;
2325                         goto fn_exit;
2326                 }
2327         }
2328
2329         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2330                                 element_is_set_or_changed)) {
2331                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2332                 if (mods != NULL) {
2333                         ldap_mods_free(mods, true);
2334                 }
2335                 goto fn_exit;
2336         }
2337
2338         if (mods == NULL) {
2339                 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2340                 goto fn_exit;
2341         }
2342         switch ( ldap_state->schema_ver ) {
2343                 case SCHEMAVER_SAMBAACCOUNT:
2344                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2345                         break;
2346                 case SCHEMAVER_SAMBASAMACCOUNT:
2347                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2348                         break;
2349                 default:
2350                         DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2351                         break;
2352         }
2353
2354         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2355         if (!NT_STATUS_IS_OK(ret)) {
2356                 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2357                          pdb_get_username(newpwd),dn));
2358                 ldap_mods_free(mods, true);
2359                 goto fn_exit;
2360         }
2361
2362         DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2363         ldap_mods_free(mods, true);
2364
2365         status = NT_STATUS_OK;
2366
2367   fn_exit:
2368
2369         TALLOC_FREE(ctx);
2370         if (result) {
2371                 ldap_msgfree(result);
2372         }
2373         return status;
2374 }
2375
2376 /**********************************************************************
2377  *********************************************************************/
2378
2379 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2380                                      const char *filter,
2381                                      LDAPMessage ** result)
2382 {
2383         int scope = LDAP_SCOPE_SUBTREE;
2384         int rc;
2385         const char **attr_list;
2386
2387         attr_list = get_attr_list(NULL, groupmap_attr_list);
2388         rc = smbldap_search(ldap_state->smbldap_state,
2389                             lp_ldap_suffix (), scope,
2390                             filter, attr_list, 0, result);
2391         TALLOC_FREE(attr_list);
2392
2393         return rc;
2394 }
2395
2396 /**********************************************************************
2397  *********************************************************************/
2398
2399 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2400                                  GROUP_MAP *map, LDAPMessage *entry)
2401 {
2402         char *temp = NULL;
2403         TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2404
2405         if (ldap_state == NULL || map == NULL || entry == NULL ||
2406                         ldap_state->smbldap_state->ldap_struct == NULL) {
2407                 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2408                 TALLOC_FREE(ctx);
2409                 return false;
2410         }
2411
2412         temp = smbldap_talloc_single_attribute(
2413                         ldap_state->smbldap_state->ldap_struct,
2414                         entry,
2415                         get_attr_key2string(groupmap_attr_list,
2416                                 LDAP_ATTR_GIDNUMBER),
2417                         ctx);
2418         if (!temp) {
2419                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2420                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2421                 TALLOC_FREE(ctx);
2422                 return false;
2423         }
2424         DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2425
2426         map->gid = (gid_t)atol(temp);
2427
2428         TALLOC_FREE(temp);
2429         temp = smbldap_talloc_single_attribute(
2430                         ldap_state->smbldap_state->ldap_struct,
2431                         entry,
2432                         get_attr_key2string(groupmap_attr_list,
2433                                 LDAP_ATTR_GROUP_SID),
2434                         ctx);
2435         if (!temp) {
2436                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2437                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2438                 TALLOC_FREE(ctx);
2439                 return false;
2440         }
2441
2442         if (!string_to_sid(&map->sid, temp)) {
2443                 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2444                 TALLOC_FREE(ctx);
2445                 return false;
2446         }
2447
2448         TALLOC_FREE(temp);
2449         temp = smbldap_talloc_single_attribute(
2450                         ldap_state->smbldap_state->ldap_struct,
2451                         entry,
2452                         get_attr_key2string(groupmap_attr_list,
2453                                 LDAP_ATTR_GROUP_TYPE),
2454                         ctx);
2455         if (!temp) {
2456                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2457                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2458                 TALLOC_FREE(ctx);
2459                 return false;
2460         }
2461         map->sid_name_use = (enum lsa_SidType)atol(temp);
2462
2463         if ((map->sid_name_use < SID_NAME_USER) ||
2464                         (map->sid_name_use > SID_NAME_UNKNOWN)) {
2465                 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2466                 TALLOC_FREE(ctx);
2467                 return false;
2468         }
2469
2470         TALLOC_FREE(temp);
2471         temp = smbldap_talloc_single_attribute(
2472                         ldap_state->smbldap_state->ldap_struct,
2473                         entry,
2474                         get_attr_key2string(groupmap_attr_list,
2475                                 LDAP_ATTR_DISPLAY_NAME),
2476                         ctx);
2477         if (!temp) {
2478                 temp = smbldap_talloc_single_attribute(
2479                                 ldap_state->smbldap_state->ldap_struct,
2480                                 entry,
2481                                 get_attr_key2string(groupmap_attr_list,
2482                                         LDAP_ATTR_CN),
2483                                 ctx);
2484                 if (!temp) {
2485                         DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2486 for gidNumber(%lu)\n",(unsigned long)map->gid));
2487                         TALLOC_FREE(ctx);
2488                         return false;
2489                 }
2490         }
2491         fstrcpy(map->nt_name, temp);
2492
2493         TALLOC_FREE(temp);
2494         temp = smbldap_talloc_single_attribute(
2495                         ldap_state->smbldap_state->ldap_struct,
2496                         entry,
2497                         get_attr_key2string(groupmap_attr_list,
2498                                 LDAP_ATTR_DESC),
2499                         ctx);
2500         if (!temp) {
2501                 temp = talloc_strdup(ctx, "");
2502                 if (!temp) {
2503                         TALLOC_FREE(ctx);
2504                         return false;
2505                 }
2506         }
2507         fstrcpy(map->comment, temp);
2508
2509         if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2510                 store_gid_sid_cache(&map->sid, map->gid);
2511                 idmap_cache_set_sid2gid(&map->sid, map->gid);
2512         }
2513
2514         TALLOC_FREE(ctx);
2515         return true;
2516 }
2517
2518 /**********************************************************************
2519  *********************************************************************/
2520
2521 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2522                                  const char *filter,
2523                                  GROUP_MAP *map)
2524 {
2525         struct ldapsam_privates *ldap_state =
2526                 (struct ldapsam_privates *)methods->private_data;
2527         LDAPMessage *result = NULL;
2528         LDAPMessage *entry = NULL;
2529         int count;
2530
2531         if (ldapsam_search_one_group(ldap_state, filter, &result)
2532             != LDAP_SUCCESS) {
2533                 return NT_STATUS_NO_SUCH_GROUP;
2534         }
2535
2536         count = ldap_count_entries(priv2ld(ldap_state), result);
2537
2538         if (count < 1) {
2539                 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2540                           "%s\n", filter));
2541                 ldap_msgfree(result);
2542                 return NT_STATUS_NO_SUCH_GROUP;
2543         }
2544
2545         if (count > 1) {
2546                 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2547                           "count=%d\n", filter, count));
2548                 ldap_msgfree(result);
2549                 return NT_STATUS_NO_SUCH_GROUP;
2550         }
2551
2552         entry = ldap_first_entry(priv2ld(ldap_state), result);
2553
2554         if (!entry) {
2555                 ldap_msgfree(result);
2556                 return NT_STATUS_UNSUCCESSFUL;
2557         }
2558
2559         if (!init_group_from_ldap(ldap_state, map, entry)) {
2560                 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2561                           "group filter %s\n", filter));
2562                 ldap_msgfree(result);
2563                 return NT_STATUS_NO_SUCH_GROUP;
2564         }
2565
2566         ldap_msgfree(result);
2567         return NT_STATUS_OK;
2568 }
2569
2570 /**********************************************************************
2571  *********************************************************************/
2572
2573 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2574                                  struct dom_sid sid)
2575 {
2576         char *filter = NULL;
2577         NTSTATUS status;
2578         fstring tmp;
2579
2580         if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2581                 LDAP_OBJ_GROUPMAP,
2582                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2583                 sid_to_fstring(tmp, &sid)) < 0) {
2584                 return NT_STATUS_NO_MEMORY;
2585         }
2586
2587         status = ldapsam_getgroup(methods, filter, map);
2588         SAFE_FREE(filter);
2589         return status;
2590 }
2591
2592 /**********************************************************************
2593  *********************************************************************/
2594
2595 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2596                                  gid_t gid)
2597 {
2598         char *filter = NULL;
2599         NTSTATUS status;
2600
2601         if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2602                 LDAP_OBJ_GROUPMAP,
2603                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2604                 (unsigned long)gid) < 0) {
2605                 return NT_STATUS_NO_MEMORY;
2606         }
2607
2608         status = ldapsam_getgroup(methods, filter, map);
2609         SAFE_FREE(filter);
2610         return status;
2611 }
2612
2613 /**********************************************************************
2614  *********************************************************************/
2615
2616 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2617                                  const char *name)
2618 {
2619         char *filter = NULL;
2620         char *escape_name = escape_ldap_string(talloc_tos(), name);
2621         NTSTATUS status;
2622
2623         if (!escape_name) {
2624                 return NT_STATUS_NO_MEMORY;
2625         }
2626
2627         if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2628                 LDAP_OBJ_GROUPMAP,
2629                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2630                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2631                 escape_name) < 0) {
2632                 TALLOC_FREE(escape_name);
2633                 return NT_STATUS_NO_MEMORY;
2634         }
2635
2636         TALLOC_FREE(escape_name);
2637         status = ldapsam_getgroup(methods, filter, map);
2638         SAFE_FREE(filter);
2639         return status;
2640 }
2641
2642 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2643                                            LDAPMessage *entry,
2644                                            const struct dom_sid *domain_sid,
2645                                            uint32_t *rid)
2646 {
2647         fstring str;
2648         struct dom_sid sid;
2649
2650         if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2651                                           str, sizeof(str)-1)) {
2652                 DEBUG(10, ("Could not find sambaSID attribute\n"));
2653                 return False;
2654         }
2655
2656         if (!string_to_sid(&sid, str)) {
2657                 DEBUG(10, ("Could not convert string %s to sid\n", str));
2658                 return False;
2659         }
2660
2661         if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2662                 DEBUG(10, ("SID %s is not in expected domain %s\n",
2663                            str, sid_string_dbg(domain_sid)));
2664                 return False;
2665         }
2666
2667         if (!sid_peek_rid(&sid, rid)) {
2668                 DEBUG(10, ("Could not peek into RID\n"));
2669                 return False;
2670         }
2671
2672         return True;
2673 }
2674
2675 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2676                                            TALLOC_CTX *mem_ctx,
2677                                            const struct dom_sid *group,
2678                                            uint32_t **pp_member_rids,
2679                                            size_t *p_num_members)
2680 {
2681         struct ldapsam_privates *ldap_state =
2682                 (struct ldapsam_privates *)methods->private_data;
2683         struct smbldap_state *conn = ldap_state->smbldap_state;
2684         const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2685         const char *sid_attrs[] = { "sambaSID", NULL };
2686         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2687         LDAPMessage *result = NULL;
2688         LDAPMessage *entry;
2689         char *filter;
2690         char **values = NULL;
2691         char **memberuid;
2692         char *gidstr;
2693         int rc, count;
2694
2695         *pp_member_rids = NULL;
2696         *p_num_members = 0;
2697
2698         filter = talloc_asprintf(mem_ctx,
2699                                  "(&(objectClass=%s)"
2700                                  "(objectClass=%s)"
2701                                  "(sambaSID=%s))",
2702                                  LDAP_OBJ_POSIXGROUP,
2703                                  LDAP_OBJ_GROUPMAP,
2704                                  sid_string_talloc(mem_ctx, group));
2705         if (filter == NULL) {
2706                 ret = NT_STATUS_NO_MEMORY;
2707                 goto done;
2708         }
2709
2710         rc = smbldap_search(conn, lp_ldap_suffix(),
2711                             LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2712                             &result);
2713
2714         if (rc != LDAP_SUCCESS)
2715                 goto done;
2716
2717         talloc_autofree_ldapmsg(mem_ctx, result);
2718
2719         count = ldap_count_entries(conn->ldap_struct, result);
2720
2721         if (count > 1) {
2722                 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2723                           sid_string_dbg(group)));
2724                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2725                 goto done;
2726         }
2727
2728         if (count == 0) {
2729                 ret = NT_STATUS_NO_SUCH_GROUP;
2730                 goto done;
2731         }
2732
2733         entry = ldap_first_entry(conn->ldap_struct, result);
2734         if (entry == NULL)
2735                 goto done;
2736
2737         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2738         if (!gidstr) {
2739                 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2740                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2741                 goto done;
2742         }
2743
2744         values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2745
2746         if ((values != NULL) && (values[0] != NULL)) {
2747
2748                 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2749                 if (filter == NULL) {
2750                         ret = NT_STATUS_NO_MEMORY;
2751                         goto done;
2752                 }
2753
2754                 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2755                         char *escape_memberuid;
2756
2757                         escape_memberuid = escape_ldap_string(talloc_tos(),
2758                                                               *memberuid);
2759                         if (escape_memberuid == NULL) {
2760                                 ret = NT_STATUS_NO_MEMORY;
2761                                 goto done;
2762                         }
2763
2764                         filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2765                         TALLOC_FREE(escape_memberuid);
2766                         if (filter == NULL) {
2767                                 ret = NT_STATUS_NO_MEMORY;
2768                                 goto done;
2769                         }
2770                 }
2771
2772                 filter = talloc_asprintf_append_buffer(filter, "))");
2773                 if (filter == NULL) {
2774                         ret = NT_STATUS_NO_MEMORY;
2775                         goto done;
2776                 }
2777
2778                 rc = smbldap_search(conn, lp_ldap_suffix(),
2779                                     LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2780                                     &result);
2781
2782                 if (rc != LDAP_SUCCESS)
2783                         goto done;
2784
2785                 count = ldap_count_entries(conn->ldap_struct, result);
2786                 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2787
2788                 talloc_autofree_ldapmsg(mem_ctx, result);
2789
2790                 for (entry = ldap_first_entry(conn->ldap_struct, result);
2791                      entry != NULL;
2792                      entry = ldap_next_entry(conn->ldap_struct, entry))
2793                 {
2794                         char *sidstr;
2795                         struct dom_sid sid;
2796                         uint32_t rid;
2797
2798                         sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2799                                                                  entry, "sambaSID",
2800                                                                  mem_ctx);
2801                         if (!sidstr) {
2802                                 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2803                                           "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2804                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2805                                 goto done;
2806                         }
2807
2808                         if (!string_to_sid(&sid, sidstr))
2809                                 goto done;
2810
2811                         if (!sid_check_is_in_our_domain(&sid)) {
2812                                 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2813                                           "in our domain\n"));
2814                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2815                                 goto done;
2816                         }
2817
2818                         sid_peek_rid(&sid, &rid);
2819
2820                         if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2821                                                 p_num_members)) {
2822                                 ret = NT_STATUS_NO_MEMORY;
2823                                 goto done;
2824                         }
2825                 }
2826         }
2827
2828         filter = talloc_asprintf(mem_ctx,
2829                                  "(&(objectClass=%s)"
2830                                  "(gidNumber=%s))",
2831                                  LDAP_OBJ_SAMBASAMACCOUNT,
2832                                  gidstr);
2833
2834         rc = smbldap_search(conn, lp_ldap_suffix(),
2835                             LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2836                             &result);
2837
2838         if (rc != LDAP_SUCCESS)
2839                 goto done;
2840
2841         talloc_autofree_ldapmsg(mem_ctx, result);
2842
2843         for (entry = ldap_first_entry(conn->ldap_struct, result);
2844              entry != NULL;
2845              entry = ldap_next_entry(conn->ldap_struct, entry))
2846         {
2847                 uint32_t rid;
2848
2849                 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2850                                                     entry,
2851                                                     get_global_sam_sid(),
2852                                                     &rid)) {
2853                         DEBUG(0, ("Severe DB error, %s can't miss the samba SID"                                                                "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2854                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2855                         goto done;
2856                 }
2857
2858                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2859                                         p_num_members)) {
2860                         ret = NT_STATUS_NO_MEMORY;
2861                         goto done;
2862                 }
2863         }
2864
2865         ret = NT_STATUS_OK;
2866
2867  done:
2868
2869         if (values)
2870                 ldap_value_free(values);
2871
2872         return ret;
2873 }
2874
2875 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2876                                                TALLOC_CTX *mem_ctx,
2877                                                struct samu *user,
2878                                                struct dom_sid **pp_sids,
2879                                                gid_t **pp_gids,
2880                                                uint32_t *p_num_groups)
2881 {
2882         struct ldapsam_privates *ldap_state =
2883                 (struct ldapsam_privates *)methods->private_data;
2884         struct smbldap_state *conn = ldap_state->smbldap_state;
2885         char *filter;
2886         const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2887         char *escape_name;
2888         int rc, count;
2889         LDAPMessage *result = NULL;
2890         LDAPMessage *entry;
2891         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2892         uint32_t num_sids;
2893         uint32_t num_gids;
2894         char *gidstr;
2895         gid_t primary_gid = -1;
2896
2897         *pp_sids = NULL;
2898         num_sids = 0;
2899
2900         if (pdb_get_username(user) == NULL) {
2901                 return NT_STATUS_INVALID_PARAMETER;
2902         }
2903
2904         escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2905         if (escape_name == NULL)
2906                 return NT_STATUS_NO_MEMORY;
2907
2908         if (user->unix_pw) {
2909                 primary_gid = user->unix_pw->pw_gid;
2910         } else {
2911                 /* retrieve the users primary gid */
2912                 filter = talloc_asprintf(mem_ctx,
2913                                          "(&(objectClass=%s)(uid=%s))",
2914                                          LDAP_OBJ_SAMBASAMACCOUNT,
2915                                          escape_name);
2916                 if (filter == NULL) {
2917                         ret = NT_STATUS_NO_MEMORY;
2918                         goto done;
2919                 }
2920
2921                 rc = smbldap_search(conn, lp_ldap_suffix(),
2922                                     LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2923
2924                 if (rc != LDAP_SUCCESS)
2925                         goto done;
2926
2927                 talloc_autofree_ldapmsg(mem_ctx, result);
2928
2929                 count = ldap_count_entries(priv2ld(ldap_state), result);
2930
2931                 switch (count) {
2932                 case 0:
2933                         DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2934                         ret = NT_STATUS_NO_SUCH_USER;
2935                         goto done;
2936                 case 1:
2937                         entry = ldap_first_entry(priv2ld(ldap_state), result);
2938
2939                         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2940                         if (!gidstr) {
2941                                 DEBUG (1, ("Unable to find the member's gid!\n"));
2942                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2943                                 goto done;
2944                         }
2945                         primary_gid = strtoul(gidstr, NULL, 10);
2946                         break;
2947                 default:
2948                         DEBUG(1, ("found more than one account with the same user name ?!\n"));
2949                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2950                         goto done;
2951                 }
2952         }
2953
2954         filter = talloc_asprintf(mem_ctx,
2955                                  "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2956                                  LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2957         if (filter == NULL) {
2958                 ret = NT_STATUS_NO_MEMORY;
2959                 goto done;
2960         }
2961
2962         rc = smbldap_search(conn, lp_ldap_suffix(),
2963                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2964
2965         if (rc != LDAP_SUCCESS)
2966                 goto done;
2967
2968         talloc_autofree_ldapmsg(mem_ctx, result);
2969
2970         num_gids = 0;
2971         *pp_gids = NULL;
2972
2973         num_sids = 0;
2974         *pp_sids = NULL;
2975
2976         /* We need to add the primary group as the first gid/sid */
2977
2978         if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2979                 ret = NT_STATUS_NO_MEMORY;
2980                 goto done;
2981         }
2982
2983         /* This sid will be replaced later */
2984
2985         ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2986                                       &num_sids);
2987         if (!NT_STATUS_IS_OK(ret)) {
2988                 goto done;
2989         }
2990
2991         for (entry = ldap_first_entry(conn->ldap_struct, result);
2992              entry != NULL;
2993              entry = ldap_next_entry(conn->ldap_struct, entry))
2994         {
2995                 fstring str;
2996                 struct dom_sid sid;
2997                 gid_t gid;
2998                 char *end;
2999
3000                 if (!smbldap_get_single_attribute(conn->ldap_struct,
3001                                                   entry, "sambaSID",
3002                                                   str, sizeof(str)-1))
3003                         continue;
3004
3005                 if (!string_to_sid(&sid, str))
3006                         goto done;
3007
3008                 if (!smbldap_get_single_attribute(conn->ldap_struct,
3009                                                   entry, "gidNumber",
3010                                                   str, sizeof(str)-1))
3011                         continue;
3012
3013                 gid = strtoul(str, &end, 10);
3014
3015                 if (PTR_DIFF(end, str) != strlen(str))
3016                         goto done;
3017
3018                 if (gid == primary_gid) {
3019                         sid_copy(&(*pp_sids)[0], &sid);
3020                 } else {
3021                         if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3022                                                 &num_gids)) {
3023                                 ret = NT_STATUS_NO_MEMORY;
3024                                 goto done;
3025                         }
3026                         ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3027                                                       &num_sids);
3028                         if (!NT_STATUS_IS_OK(ret)) {
3029                                 goto done;
3030                         }
3031                 }
3032         }
3033
3034         if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3035                 DEBUG(3, ("primary group of [%s] not found\n",
3036                           pdb_get_username(user)));
3037                 goto done;
3038         }
3039
3040         *p_num_groups = num_sids;
3041
3042         ret = NT_STATUS_OK;
3043
3044  done:
3045
3046         TALLOC_FREE(escape_name);
3047         return ret;
3048 }
3049
3050 /**********************************************************************
3051  * Augment a posixGroup object with a sambaGroupMapping domgroup
3052  *********************************************************************/
3053
3054 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3055                                        struct ldapsam_privates *ldap_state,
3056                                        GROUP_MAP *map)
3057 {
3058         const char *filter, *dn;
3059         LDAPMessage *msg, *entry;
3060         LDAPMod **mods;
3061         int rc;
3062
3063         filter = talloc_asprintf(mem_ctx,
3064                                  "(&(objectClass=%s)(gidNumber=%u))",
3065                                  LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3066         if (filter == NULL) {
3067                 return NT_STATUS_NO_MEMORY;
3068         }
3069
3070         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3071                                    get_attr_list(mem_ctx, groupmap_attr_list),
3072                                    &msg);
3073         talloc_autofree_ldapmsg(mem_ctx, msg);
3074
3075         if ((rc != LDAP_SUCCESS) ||
3076             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3077             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3078                 return NT_STATUS_NO_SUCH_GROUP;
3079         }
3080
3081         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3082         if (dn == NULL) {
3083                 return NT_STATUS_NO_MEMORY;
3084         }
3085
3086         mods = NULL;
3087         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3088                         LDAP_OBJ_GROUPMAP);
3089         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3090                          sid_string_talloc(mem_ctx, &map->sid));
3091         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3092                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3093         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3094                          map->nt_name);
3095         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3096                          map->comment);
3097         talloc_autofree_ldapmod(mem_ctx, mods);
3098
3099         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3100         if (rc != LDAP_SUCCESS) {
3101                 return NT_STATUS_ACCESS_DENIED;
3102         }
3103
3104         return NT_STATUS_OK;
3105 }
3106
3107 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3108                                                 GROUP_MAP *map)
3109 {
3110         struct ldapsam_privates *ldap_state =
3111                 (struct ldapsam_privates *)methods->private_data;
3112         LDAPMessage *msg = NULL;
3113         LDAPMod **mods = NULL;
3114         const char *attrs[] = { NULL };
3115         char *filter;
3116
3117         char *dn;
3118         TALLOC_CTX *mem_ctx;
3119         NTSTATUS result;
3120
3121         struct dom_sid sid;
3122
3123         int rc;
3124
3125         mem_ctx = talloc_new(NULL);
3126         if (mem_ctx == NULL) {
3127                 DEBUG(0, ("talloc_new failed\n"));
3128                 return NT_STATUS_NO_MEMORY;
3129         }
3130
3131         filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3132                                  sid_string_talloc(mem_ctx, &map->sid));
3133         if (filter == NULL) {
3134                 result = NT_STATUS_NO_MEMORY;
3135                 goto done;
3136         }
3137
3138         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3139                             LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3140         talloc_autofree_ldapmsg(mem_ctx, msg);
3141
3142         if ((rc == LDAP_SUCCESS) &&
3143             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3144
3145                 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3146                           "group mapping entry\n", sid_string_dbg(&map->sid)));
3147                 result = NT_STATUS_GROUP_EXISTS;
3148                 goto done;
3149         }
3150
3151         switch (map->sid_name_use) {
3152
3153         case SID_NAME_DOM_GRP:
3154                 /* To map a domain group we need to have a posix group
3155                    to attach to. */
3156                 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3157                 goto done;
3158                 break;
3159
3160         case SID_NAME_ALIAS:
3161                 if (!sid_check_is_in_our_domain(&map->sid)
3162                         && !sid_check_is_in_builtin(&map->sid) )
3163                 {
3164                         DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3165                                   sid_string_dbg(&map->sid)));
3166                         result = NT_STATUS_INVALID_PARAMETER;
3167                         goto done;
3168                 }
3169                 break;
3170
3171         default:
3172                 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3173                           sid_type_lookup(map->sid_name_use)));
3174                 result = NT_STATUS_INVALID_PARAMETER;
3175                 goto done;
3176         }
3177
3178         /* Domain groups have been mapped in a separate routine, we have to
3179          * create an alias now */
3180
3181         if (map->gid == -1) {
3182                 DEBUG(10, ("Refusing to map gid==-1\n"));
3183                 result = NT_STATUS_INVALID_PARAMETER;
3184                 goto done;
3185         }
3186
3187         if (pdb_gid_to_sid(map->gid, &sid)) {
3188                 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3189                           "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3190                 result = NT_STATUS_GROUP_EXISTS;
3191                 goto done;
3192         }
3193
3194         /* Ok, enough checks done. It's still racy to go ahead now, but that's
3195          * the best we can get out of LDAP. */
3196
3197         dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3198                              sid_string_talloc(mem_ctx, &map->sid),
3199                              lp_ldap_group_suffix());
3200         if (dn == NULL) {
3201                 result = NT_STATUS_NO_MEMORY;
3202                 goto done;
3203         }
3204
3205         mods = NULL;
3206
3207         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3208                          LDAP_OBJ_SID_ENTRY);
3209         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3210                          LDAP_OBJ_GROUPMAP);
3211         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3212                          sid_string_talloc(mem_ctx, &map->sid));
3213         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3214                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3215         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3216                          map->nt_name);
3217         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3218                          map->comment);
3219         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3220                          talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3221         talloc_autofree_ldapmod(mem_ctx, mods);
3222
3223         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3224
3225         result = (rc == LDAP_SUCCESS) ?
3226                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3227
3228  done:
3229         TALLOC_FREE(mem_ctx);
3230         return result;
3231 }
3232
3233 /**********************************************************************
3234  * Update a group mapping entry. We're quite strict about what can be changed:
3235  * Only the description and displayname may be changed. It simply does not
3236  * make any sense to change the SID, gid or the type in a mapping.
3237  *********************************************************************/
3238
3239 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3240                                                    GROUP_MAP *map)
3241 {
3242         struct ldapsam_privates *ldap_state =
3243                 (struct ldapsam_privates *)methods->private_data;
3244         int rc;
3245         const char *filter, *dn;
3246         LDAPMessage *msg = NULL;
3247         LDAPMessage *entry = NULL;
3248         LDAPMod **mods = NULL;
3249         TALLOC_CTX *mem_ctx;
3250         NTSTATUS result;
3251
3252         mem_ctx = talloc_new(NULL);
3253         if (mem_ctx == NULL) {
3254                 DEBUG(0, ("talloc_new failed\n"));
3255                 return NT_STATUS_NO_MEMORY;
3256         }
3257
3258         /* Make 100% sure that sid, gid and type are not changed by looking up
3259          * exactly the values we're given in LDAP. */
3260
3261         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3262                                  "(sambaSid=%s)(gidNumber=%u)"
3263                                  "(sambaGroupType=%d))",
3264                                  LDAP_OBJ_GROUPMAP,
3265                                  sid_string_talloc(mem_ctx, &map->sid),
3266                                  (unsigned int)map->gid, map->sid_name_use);
3267         if (filter == NULL) {
3268                 result = NT_STATUS_NO_MEMORY;
3269                 goto done;
3270         }
3271
3272         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3273                                    get_attr_list(mem_ctx, groupmap_attr_list),
3274                                    &msg);
3275         talloc_autofree_ldapmsg(mem_ctx, msg);
3276
3277         if ((rc != LDAP_SUCCESS) ||
3278             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3279             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3280                 result = NT_STATUS_NO_SUCH_GROUP;
3281                 goto done;
3282         }
3283
3284         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3285
3286         if (dn == NULL) {
3287                 result = NT_STATUS_NO_MEMORY;
3288                 goto done;
3289         }
3290
3291         mods = NULL;
3292         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3293                          map->nt_name);
3294         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3295                          map->comment);
3296         talloc_autofree_ldapmod(mem_ctx, mods);
3297
3298         if (mods == NULL) {
3299                 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3300                           "nothing to do\n"));
3301                 result = NT_STATUS_OK;
3302                 goto done;
3303         }
3304
3305         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3306
3307         if (rc != LDAP_SUCCESS) {
3308                 result = NT_STATUS_ACCESS_DENIED;
3309                 goto done;
3310         }
3311
3312         DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3313                   "group %lu in LDAP\n", (unsigned long)map->gid));
3314
3315         result = NT_STATUS_OK;
3316
3317  done:
3318         TALLOC_FREE(mem_ctx);
3319         return result;
3320 }
3321
3322 /**********************************************************************
3323  *********************************************************************/
3324
3325 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3326                                                    struct dom_sid sid)
3327 {
3328         struct ldapsam_privates *priv =
3329                 (struct ldapsam_privates *)methods->private_data;
3330         LDAPMessage *msg, *entry;
3331         int rc;
3332         NTSTATUS result;
3333         TALLOC_CTX *mem_ctx;
3334         char *filter;
3335
3336         mem_ctx = talloc_new(NULL);
3337         if (mem_ctx == NULL) {
3338                 DEBUG(0, ("talloc_new failed\n"));
3339                 return NT_STATUS_NO_MEMORY;
3340         }
3341
3342         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3343                                  LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3344                                  sid_string_talloc(mem_ctx, &sid));
3345         if (filter == NULL) {
3346                 result = NT_STATUS_NO_MEMORY;
3347                 goto done;
3348         }
3349         rc = smbldap_search_suffix(priv->smbldap_state, filter,
3350                                    get_attr_list(mem_ctx, groupmap_attr_list),
3351                                    &msg);
3352         talloc_autofree_ldapmsg(mem_ctx, msg);
3353
3354         if ((rc != LDAP_SUCCESS) ||
3355             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3356             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3357                 result = NT_STATUS_NO_SUCH_GROUP;
3358                 goto done;
3359         }
3360
3361         rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3362                                   get_attr_list(mem_ctx,
3363                                                 groupmap_attr_list_to_delete));
3364
3365         if ((rc == LDAP_NAMING_VIOLATION) ||
3366             (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3367             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3368                 const char *attrs[] = { "sambaGroupType", "description",
3369                                         "displayName", "sambaSIDList",
3370                                         NULL };
3371
3372                 /* Second try. Don't delete the sambaSID attribute, this is
3373                    for "old" entries that are tacked on a winbind
3374                    sambaIdmapEntry. */
3375
3376                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3377                                           LDAP_OBJ_GROUPMAP, attrs);
3378         }
3379
3380         if ((rc == LDAP_NAMING_VIOLATION) ||
3381             (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3382             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3383                 const char *attrs[] = { "sambaGroupType", "description",
3384                                         "displayName", "sambaSIDList",
3385                                         "gidNumber", NULL };
3386
3387                 /* Third try. This is a post-3.0.21 alias (containing only
3388                  * sambaSidEntry and sambaGroupMapping classes), we also have
3389                  * to delete the gidNumber attribute, only the sambaSidEntry
3390                  * remains */
3391
3392                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3393                                           LDAP_OBJ_GROUPMAP, attrs);
3394         }
3395
3396         result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3397
3398  done:
3399         TALLOC_FREE(mem_ctx);
3400         return result;
3401  }
3402
3403 /**********************************************************************
3404  *********************************************************************/
3405
3406 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3407                                     bool update)
3408 {
3409         struct ldapsam_privates *ldap_state =
3410                 (struct ldapsam_privates *)my_methods->private_data;
3411         char *filter = NULL;
3412         int rc;
3413         const char **attr_list;
3414
3415         filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3416         if (!filter) {
3417                 return NT_STATUS_NO_MEMORY;
3418         }
3419         attr_list = get_attr_list( NULL, groupmap_attr_list );
3420         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3421                             LDAP_SCOPE_SUBTREE, filter,
3422                             attr_list, 0, &ldap_state->result);
3423         TALLOC_FREE(attr_list);
3424
3425         if (rc != LDAP_SUCCESS) {
3426                 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3427                           ldap_err2string(rc)));
3428                 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3429                           lp_ldap_suffix(), filter));
3430                 ldap_msgfree(ldap_state->result);
3431                 ldap_state->result = NULL;
3432                 TALLOC_FREE(filter);
3433                 return NT_STATUS_UNSUCCESSFUL;
3434         }
3435
3436         TALLOC_FREE(filter);
3437
3438         DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3439                   ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3440                                      ldap_state->result)));
3441
3442         ldap_state->entry =
3443                 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3444                                  ldap_state->result);
3445         ldap_state->index = 0;
3446
3447         return NT_STATUS_OK;
3448 }
3449
3450 /**********************************************************************
3451  *********************************************************************/
3452
3453 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3454 {
3455         ldapsam_endsampwent(my_methods);
3456 }
3457
3458 /**********************************************************************
3459  *********************************************************************/
3460
3461 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3462                                     GROUP_MAP *map)
3463 {
3464         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3465         struct ldapsam_privates *ldap_state =
3466                 (struct ldapsam_privates *)my_methods->private_data;
3467         bool bret = False;
3468
3469         while (!bret) {
3470                 if (!ldap_state->entry)
3471                         return ret;
3472
3473                 ldap_state->index++;
3474                 bret = init_group_from_ldap(ldap_state, map,
3475                                             ldap_state->entry);
3476
3477                 ldap_state->entry =
3478                         ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3479                                         ldap_state->entry);
3480         }
3481
3482         return NT_STATUS_OK;
3483 }
3484
3485 /**********************************************************************
3486  *********************************************************************/
3487
3488 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3489                                            const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3490                                            GROUP_MAP **pp_rmap,
3491                                            size_t *p_num_entries,
3492                                            bool unix_only)
3493 {
3494         GROUP_MAP map;
3495         size_t entries = 0;
3496
3497         *p_num_entries = 0;
3498         *pp_rmap = NULL;
3499
3500         if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3501                 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3502                           "passdb\n"));
3503                 return NT_STATUS_ACCESS_DENIED;
3504         }
3505
3506         while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3507                 if (sid_name_use != SID_NAME_UNKNOWN &&
3508                     sid_name_use != map.sid_name_use) {
3509                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3510                                   "not of the requested type\n", map.nt_name));
3511                         continue;
3512                 }
3513                 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3514                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3515                                   "non mapped\n", map.nt_name));
3516                         continue;
3517                 }
3518
3519                 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3520                 if (!(*pp_rmap)) {
3521                         DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3522                                  "enlarge group map!\n"));
3523                         return NT_STATUS_UNSUCCESSFUL;
3524                 }
3525
3526                 (*pp_rmap)[entries] = map;
3527
3528                 entries += 1;
3529
3530         }
3531         ldapsam_endsamgrent(methods);
3532
3533         *p_num_entries = entries;
3534
3535         return NT_STATUS_OK;
3536 }
3537
3538 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3539                                         const struct dom_sid *alias,
3540                                         const struct dom_sid *member,
3541                                         int modop)
3542 {
3543         struct ldapsam_privates *ldap_state =
3544                 (struct ldapsam_privates *)methods->private_data;
3545         char *dn = NULL;
3546         LDAPMessage *result = NULL;
3547         LDAPMessage *entry = NULL;
3548         int count;
3549         LDAPMod **mods = NULL;
3550         int rc;
3551         enum lsa_SidType type = SID_NAME_USE_NONE;
3552         fstring tmp;
3553
3554         char *filter = NULL;
3555
3556         if (sid_check_is_in_builtin(alias)) {
3557                 type = SID_NAME_ALIAS;
3558         }
3559
3560         if (sid_check_is_in_our_domain(alias)) {
3561                 type = SID_NAME_ALIAS;
3562         }
3563
3564         if (type == SID_NAME_USE_NONE) {
3565                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3566                           sid_string_dbg(alias)));
3567                 return NT_STATUS_NO_SUCH_ALIAS;
3568         }
3569
3570         if (asprintf(&filter,
3571                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3572                      LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3573                      type) < 0) {
3574                 return NT_STATUS_NO_MEMORY;
3575         }
3576
3577         if (ldapsam_search_one_group(ldap_state, filter,
3578                                      &result) != LDAP_SUCCESS) {
3579                 SAFE_FREE(filter);
3580                 return NT_STATUS_NO_SUCH_ALIAS;
3581         }
3582
3583         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3584                                    result);
3585
3586         if (count < 1) {
3587                 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3588                 ldap_msgfree(result);
3589                 SAFE_FREE(filter);
3590                 return NT_STATUS_NO_SUCH_ALIAS;
3591         }
3592
3593         if (count > 1) {
3594                 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3595                           "filter %s: count=%d\n", filter, count));
3596                 ldap_msgfree(result);
3597                 SAFE_FREE(filter);
3598                 return NT_STATUS_NO_SUCH_ALIAS;
3599         }
3600
3601         SAFE_FREE(filter);
3602
3603         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3604                                  result);
3605
3606         if (!entry) {
3607                 ldap_msgfree(result);
3608                 return NT_STATUS_UNSUCCESSFUL;
3609         }
3610
3611         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3612         if (!dn) {
3613                 ldap_msgfree(result);
3614                 return NT_STATUS_UNSUCCESSFUL;
3615         }
3616
3617         smbldap_set_mod(&mods, modop,
3618                         get_attr_key2string(groupmap_attr_list,
3619                                             LDAP_ATTR_SID_LIST),
3620                         sid_to_fstring(tmp, member));
3621
3622         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3623
3624         ldap_mods_free(mods, True);
3625         ldap_msgfree(result);
3626         TALLOC_FREE(dn);
3627
3628         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3629                 return NT_STATUS_MEMBER_IN_ALIAS;
3630         }
3631
3632         if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3633                 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3634         }
3635
3636         if (rc != LDAP_SUCCESS) {
3637                 return NT_STATUS_UNSUCCESSFUL;
3638         }
3639
3640         return NT_STATUS_OK;
3641 }
3642
3643 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3644                                      const struct dom_sid *alias,
3645                                      const struct dom_sid *member)
3646 {
3647         return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3648 }
3649
3650 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3651                                      const struct dom_sid *alias,
3652                                      const struct dom_sid *member)
3653 {
3654         return ldapsam_modify_aliasmem(methods, alias, member,
3655                                        LDAP_MOD_DELETE);
3656 }
3657
3658 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3659                                       const struct dom_sid *alias,
3660                                       TALLOC_CTX *mem_ctx,
3661                                       struct dom_sid **pp_members,
3662                                       size_t *p_num_members)
3663 {
3664         struct ldapsam_privates *ldap_state =
3665                 (struct ldapsam_privates *)methods->private_data;
3666         LDAPMessage *result = NULL;
3667         LDAPMessage *entry = NULL;
3668         int count;
3669         char **values = NULL;
3670         int i;
3671         char *filter = NULL;
3672         uint32_t num_members = 0;
3673         enum lsa_SidType type = SID_NAME_USE_NONE;
3674         fstring tmp;
3675
3676         *pp_members = NULL;
3677         *p_num_members = 0;
3678
3679         if (sid_check_is_in_builtin(alias)) {
3680                 type = SID_NAME_ALIAS;
3681         }
3682
3683         if (sid_check_is_in_our_domain(alias)) {
3684                 type = SID_NAME_ALIAS;
3685         }
3686
3687         if (type == SID_NAME_USE_NONE) {
3688                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3689                           sid_string_dbg(alias)));
3690                 return NT_STATUS_NO_SUCH_ALIAS;
3691         }
3692
3693         if (asprintf(&filter,
3694                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3695                      LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3696                      type) < 0) {
3697                 return NT_STATUS_NO_MEMORY;
3698         }
3699
3700         if (ldapsam_search_one_group(ldap_state, filter,
3701                                      &result) != LDAP_SUCCESS) {
3702                 SAFE_FREE(filter);
3703                 return NT_STATUS_NO_SUCH_ALIAS;
3704         }
3705
3706         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3707                                    result);
3708
3709         if (count < 1) {
3710                 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3711                 ldap_msgfree(result);
3712                 SAFE_FREE(filter);
3713                 return NT_STATUS_NO_SUCH_ALIAS;
3714         }
3715
3716         if (count > 1) {
3717                 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3718                           "filter %s: count=%d\n", filter, count));
3719                 ldap_msgfree(result);
3720                 SAFE_FREE(filter);
3721                 return NT_STATUS_NO_SUCH_ALIAS;
3722         }
3723
3724         SAFE_FREE(filter);
3725
3726         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3727                                  result);
3728
3729         if (!entry) {
3730                 ldap_msgfree(result);
3731                 return NT_STATUS_UNSUCCESSFUL;
3732         }
3733
3734         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3735                                  entry,
3736                                  get_attr_key2string(groupmap_attr_list,
3737                                                      LDAP_ATTR_SID_LIST));
3738
3739         if (values == NULL) {
3740                 ldap_msgfree(result);
3741                 return NT_STATUS_OK;
3742         }
3743
3744         count = ldap_count_values(values);
3745
3746         for (i=0; i<count; i++) {
3747                 struct dom_sid member;
3748                 NTSTATUS status;
3749
3750                 if (!string_to_sid(&member, values[i]))
3751                         continue;
3752
3753                 status = add_sid_to_array(mem_ctx, &member, pp_members,
3754                                           &num_members);
3755                 if (!NT_STATUS_IS_OK(status)) {
3756                         ldap_value_free(values);
3757                         ldap_msgfree(result);
3758                         return status;
3759                 }
3760         }
3761
3762         *p_num_members = num_members;
3763         ldap_value_free(values);
3764         ldap_msgfree(result);
3765
3766         return NT_STATUS_OK;
3767 }
3768
3769 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3770                                           TALLOC_CTX *mem_ctx,
3771                                           const struct dom_sid *domain_sid,
3772                                           const struct dom_sid *members,
3773                                           size_t num_members,
3774                                           uint32_t **pp_alias_rids,
3775                                           size_t *p_num_alias_rids)
3776 {
3777         struct ldapsam_privates *ldap_state =
3778                 (struct ldapsam_privates *)methods->private_data;
3779         LDAP *ldap_struct;
3780
3781         const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3782
3783         LDAPMessage *result = NULL;
3784         LDAPMessage *entry = NULL;
3785         int i;
3786         int rc;
3787         char *filter;
3788         enum lsa_SidType type = SID_NAME_USE_NONE;
3789         bool is_builtin = false;
3790         bool sid_added = false;
3791
3792         *pp_alias_rids = NULL;
3793         *p_num_alias_rids = 0;
3794
3795         if (sid_check_is_builtin(domain_sid)) {
3796                 is_builtin = true;
3797                 type = SID_NAME_ALIAS;
3798         }
3799
3800         if (sid_check_is_domain(domain_sid)) {
3801                 type = SID_NAME_ALIAS;
3802         }
3803
3804         if (type == SID_NAME_USE_NONE) {
3805                 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3806                           sid_string_dbg(domain_sid)));
3807                 return NT_STATUS_UNSUCCESSFUL;
3808         }
3809
3810         if (num_members == 0) {
3811                 return NT_STATUS_OK;
3812         }
3813
3814         filter = talloc_asprintf(mem_ctx,
3815                                  "(&(objectclass=%s)(sambaGroupType=%d)(|",
3816                                  LDAP_OBJ_GROUPMAP, type);
3817
3818         for (i=0; i<num_members; i++)
3819                 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3820                                          filter,
3821                                          sid_string_talloc(mem_ctx,
3822                                                            &members[i]));
3823
3824         filter = talloc_asprintf(mem_ctx, "%s))", filter);
3825
3826         if (filter == NULL) {
3827                 return NT_STATUS_NO_MEMORY;
3828         }
3829
3830         if (is_builtin &&
3831             ldap_state->search_cache.filter &&
3832             strcmp(ldap_state->search_cache.filter, filter) == 0) {
3833                 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3834                 result = ldap_state->search_cache.result;
3835                 ldap_state->search_cache.result = NULL;
3836         } else {
3837                 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3838                                     LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3839                 if (rc != LDAP_SUCCESS) {
3840                         return NT_STATUS_UNSUCCESSFUL;
3841                 }
3842                 talloc_autofree_ldapmsg(filter, result);
3843         }
3844
3845         ldap_struct = ldap_state->smbldap_state->ldap_struct;
3846
3847         for (entry = ldap_first_entry(ldap_struct, result);
3848              entry != NULL;
3849              entry = ldap_next_entry(ldap_struct, entry))
3850         {
3851                 fstring sid_str;
3852                 struct dom_sid sid;
3853                 uint32_t rid;
3854
3855                 if (!smbldap_get_single_attribute(ldap_struct, entry,
3856                                                   LDAP_ATTRIBUTE_SID,
3857                                                   sid_str,
3858                                                   sizeof(sid_str)-1))
3859                         continue;
3860
3861                 if (!string_to_sid(&sid, sid_str))
3862                         continue;
3863
3864                 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3865                         continue;
3866
3867                 sid_added = true;
3868
3869                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3870                                         p_num_alias_rids)) {
3871                         return NT_STATUS_NO_MEMORY;
3872                 }
3873         }
3874
3875         if (!is_builtin && !sid_added) {
3876                 TALLOC_FREE(ldap_state->search_cache.filter);
3877                 /*
3878                  * Note: result is a talloc child of filter because of the
3879                  * talloc_autofree_ldapmsg() usage
3880                  */
3881                 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3882                 ldap_state->search_cache.result = result;
3883         }
3884
3885         return NT_STATUS_OK;
3886 }
3887
3888 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3889                                                    enum pdb_policy_type type,
3890                                                    uint32_t value)
3891 {
3892         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3893         int rc;
3894         LDAPMod **mods = NULL;
3895         fstring value_string;
3896         const char *policy_attr = NULL;
3897
3898         struct ldapsam_privates *ldap_state =
3899                 (struct ldapsam_privates *)methods->private_data;
3900
3901         DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3902
3903         if (!ldap_state->domain_dn) {
3904                 return NT_STATUS_INVALID_PARAMETER;
3905         }
3906
3907         policy_attr = get_account_policy_attr(type);
3908         if (policy_attr == NULL) {
3909                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3910                          "policy\n"));
3911                 return ntstatus;
3912         }
3913
3914         slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3915
3916         smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3917
3918         rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3919                             mods);
3920
3921         ldap_mods_free(mods, True);
3922
3923         if (rc != LDAP_SUCCESS) {
3924                 return ntstatus;
3925         }
3926
3927         if (!cache_account_policy_set(type, value)) {
3928                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3929                          "update local tdb cache\n"));
3930                 return ntstatus;
3931         }
3932
3933         return NT_STATUS_OK;
3934 }
3935
3936 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3937                                            enum pdb_policy_type type,
3938                                            uint32_t value)
3939 {
3940         return ldapsam_set_account_policy_in_ldap(methods, type,
3941                                                   value);
3942 }
3943
3944 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3945                                                      enum pdb_policy_type type,
3946                                                      uint32_t *value)
3947 {
3948         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3949         LDAPMessage *result = NULL;
3950         LDAPMessage *entry = NULL;
3951         int count;
3952         int rc;
3953         char **vals = NULL;
3954         char *filter;
3955         const char *policy_attr = NULL;
3956
3957         struct ldapsam_privates *ldap_state =
3958                 (struct ldapsam_privates *)methods->private_data;
3959
3960         const char *attrs[2];
3961
3962         DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3963
3964         if (!ldap_state->domain_dn) {
3965                 return NT_STATUS_INVALID_PARAMETER;
3966         }
3967
3968         policy_attr = get_account_policy_attr(type);
3969         if (!policy_attr) {
3970                 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3971                          "policy index: %d\n", type));
3972                 return ntstatus;
3973         }
3974
3975         attrs[0] = policy_attr;
3976         attrs[1] = NULL;
3977
3978         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3979         if (filter == NULL) {
3980                 return NT_STATUS_NO_MEMORY;
3981         }
3982         rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3983                             LDAP_SCOPE_BASE, filter, attrs, 0,
3984                             &result);
3985         TALLOC_FREE(filter);
3986         if (rc != LDAP_SUCCESS) {
3987                 return ntstatus;
3988         }
3989
3990         count = ldap_count_entries(priv2ld(ldap_state), result);
3991         if (count < 1) {
3992                 goto out;
3993         }
3994
3995         entry = ldap_first_entry(priv2ld(ldap_state), result);
3996         if (entry == NULL) {
3997                 goto out;
3998         }
3999
4000         vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4001         if (vals == NULL) {
4002                 goto out;
4003         }
4004
4005         *value = (uint32_t)atol(vals[0]);
4006
4007         ntstatus = NT_STATUS_OK;
4008
4009 out:
4010         if (vals)
4011                 ldap_value_free(vals);
4012         ldap_msgfree(result);
4013
4014         return ntstatus;
4015 }
4016
4017 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4018
4019    - if user hasn't decided to use account policies inside LDAP just reuse the
4020      old tdb values
4021
4022    - if there is a valid cache entry, return that
4023    - if there is an LDAP entry, update cache and return
4024    - otherwise set to default, update cache and return
4025
4026    Guenther
4027 */
4028 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4029                                            enum pdb_policy_type type,
4030                                            uint32_t *value)
4031 {
4032         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4033
4034         if (cache_account_policy_get(type, value)) {
4035                 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4036                           "cache\n"));
4037                 return NT_STATUS_OK;
4038         }
4039
4040         ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4041                                                         value);
4042         if (NT_STATUS_IS_OK(ntstatus)) {
4043                 goto update_cache;
4044         }
4045
4046         DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4047                   "ldap\n"));
4048
4049 #if 0
4050         /* should we automagically migrate old tdb value here ? */
4051         if (account_policy_get(type, value))
4052                 goto update_ldap;
4053
4054         DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4055                   "default\n", type));
4056 #endif
4057
4058         if (!account_policy_get_default(type, value)) {
4059                 return ntstatus;
4060         }
4061
4062 /* update_ldap: */
4063
4064         ntstatus = ldapsam_set_account_policy(methods, type, *value);
4065         if (!NT_STATUS_IS_OK(ntstatus)) {
4066                 return ntstatus;
4067         }
4068
4069  update_cache:
4070
4071         if (!cache_account_policy_set(type, *value)) {
4072                 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4073                          "tdb as a cache\n"));
4074                 return NT_STATUS_UNSUCCESSFUL;
4075         }
4076
4077         return NT_STATUS_OK;
4078 }
4079
4080 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4081                                     const struct dom_sid *domain_sid,
4082                                     int num_rids,
4083                                     uint32_t *rids,
4084                                     const char **names,
4085                                     enum lsa_SidType *attrs)
4086 {
4087         struct ldapsam_privates *ldap_state =
4088                 (struct ldapsam_privates *)methods->private_data;
4089         LDAPMessage *msg = NULL;
4090         LDAPMessage *entry;
4091         char *allsids = NULL;
4092         int i, rc, num_mapped;
4093         NTSTATUS result = NT_STATUS_NO_MEMORY;
4094         TALLOC_CTX *mem_ctx;
4095         LDAP *ld;
4096         bool is_builtin;
4097
4098         mem_ctx = talloc_new(NULL);
4099         if (mem_ctx == NULL) {
4100                 DEBUG(0, ("talloc_new failed\n"));
4101                 goto done;
4102         }
4103
4104         if (!sid_check_is_builtin(domain_sid) &&
4105             !sid_check_is_domain(domain_sid)) {
4106                 result = NT_STATUS_INVALID_PARAMETER;
4107                 goto done;
4108         }
4109
4110         if (num_rids == 0) {
4111                 result = NT_STATUS_NONE_MAPPED;
4112                 goto done;
4113         }
4114
4115         for (i=0; i<num_rids; i++)
4116                 attrs[i] = SID_NAME_UNKNOWN;
4117
4118         allsids = talloc_strdup(mem_ctx, "");
4119         if (allsids == NULL) {
4120                 goto done;
4121         }
4122
4123         for (i=0; i<num_rids; i++) {
4124                 struct dom_sid sid;
4125                 sid_compose(&sid, domain_sid, rids[i]);
4126                 allsids = talloc_asprintf_append_buffer(
4127                         allsids, "(sambaSid=%s)",
4128                         sid_string_talloc(mem_ctx, &sid));
4129                 if (allsids == NULL) {
4130                         goto done;
4131                 }
4132         }
4133
4134         /* First look for users */
4135
4136         {
4137                 char *filter;
4138                 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4139
4140                 filter = talloc_asprintf(
4141                         mem_ctx, ("(&(objectClass=%s)(|%s))"),
4142                         LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4143
4144                 if (filter == NULL) {
4145                         goto done;
4146                 }
4147
4148                 rc = smbldap_search(ldap_state->smbldap_state,
4149                                     lp_ldap_user_suffix(),
4150                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4151                                     &msg);
4152                 talloc_autofree_ldapmsg(mem_ctx, msg);
4153         }
4154
4155         if (rc != LDAP_SUCCESS)
4156                 goto done;
4157
4158         ld = ldap_state->smbldap_state->ldap_struct;
4159         num_mapped = 0;
4160
4161         for (entry = ldap_first_entry(ld, msg);
4162              entry != NULL;
4163              entry = ldap_next_entry(ld, entry)) {
4164                 uint32_t rid;
4165                 int rid_index;
4166                 const char *name;
4167
4168                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4169                                                     &rid)) {
4170                         DEBUG(2, ("Could not find sid from ldap entry\n"));
4171                         continue;
4172                 }
4173
4174                 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4175                                                        names);
4176                 if (name == NULL) {
4177                         DEBUG(2, ("Could not retrieve uid attribute\n"));
4178                         continue;
4179                 }
4180
4181                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4182                         if (rid == rids[rid_index])
4183                                 break;
4184                 }
4185
4186                 if (rid_index == num_rids) {
4187                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4188                         continue;
4189                 }
4190
4191                 attrs[rid_index] = SID_NAME_USER;
4192                 names[rid_index] = name;
4193                 num_mapped += 1;
4194         }
4195
4196         if (num_mapped == num_rids) {
4197                 /* No need to look for groups anymore -- we're done */
4198                 result = NT_STATUS_OK;
4199                 goto done;
4200         }
4201
4202         /* Same game for groups */
4203
4204         {
4205                 char *filter;
4206                 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4207                                              "sambaGroupType", NULL };
4208
4209                 filter = talloc_asprintf(
4210                         mem_ctx, "(&(objectClass=%s)(|%s))",
4211                         LDAP_OBJ_GROUPMAP, allsids);
4212                 if (filter == NULL) {
4213                         goto done;
4214                 }
4215
4216                 rc = smbldap_search(ldap_state->smbldap_state,
4217                                     lp_ldap_suffix(),
4218                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4219                                     &msg);
4220                 talloc_autofree_ldapmsg(mem_ctx, msg);
4221         }
4222
4223         if (rc != LDAP_SUCCESS)
4224                 goto done;
4225
4226         /* ldap_struct might have changed due to a reconnect */
4227
4228         ld = ldap_state->smbldap_state->ldap_struct;
4229
4230         /* For consistency checks, we already checked we're only domain or builtin */
4231
4232         is_builtin = sid_check_is_builtin(domain_sid);
4233
4234         for (entry = ldap_first_entry(ld, msg);
4235              entry != NULL;
4236              entry = ldap_next_entry(ld, entry))
4237         {
4238                 uint32_t rid;
4239                 int rid_index;
4240                 const char *attr;
4241                 enum lsa_SidType type;
4242                 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4243
4244                 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4245                                                        mem_ctx);
4246                 if (attr == NULL) {
4247                         DEBUG(2, ("Could not extract type from ldap entry %s\n",
4248                                   dn));
4249                         continue;
4250                 }
4251
4252                 type = (enum lsa_SidType)atol(attr);
4253
4254                 /* Consistency checks */
4255                 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4256                     (!is_builtin && ((type != SID_NAME_ALIAS) &&
4257                                      (type != SID_NAME_DOM_GRP)))) {
4258                         DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4259                 }
4260
4261                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4262                                                     &rid)) {
4263                         DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4264                         continue;
4265                 }
4266
4267                 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4268
4269                 if (attr == NULL) {
4270                         DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4271                                    dn));
4272                         attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4273                 }
4274
4275                 if (attr == NULL) {
4276                         DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4277                                   dn));
4278                         continue;
4279                 }
4280
4281                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4282                         if (rid == rids[rid_index])
4283                                 break;
4284                 }
4285
4286                 if (rid_index == num_rids) {
4287                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4288                         continue;
4289                 }
4290
4291                 attrs[rid_index] = type;
4292                 names[rid_index] = attr;
4293                 num_mapped += 1;
4294         }
4295
4296         result = NT_STATUS_NONE_MAPPED;
4297
4298         if (num_mapped > 0)
4299                 result = (num_mapped == num_rids) ?
4300                         NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4301  done:
4302         TALLOC_FREE(mem_ctx);
4303         return result;
4304 }
4305
4306 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4307 {
4308         char *filter = NULL;
4309         char *escaped = NULL;
4310         char *result = NULL;
4311
4312         if (asprintf(&filter, "(&%s(objectclass=%s))",
4313                           "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4314                 goto done;
4315         }
4316
4317         escaped = escape_ldap_string(talloc_tos(), username);
4318         if (escaped == NULL) goto done;
4319
4320         result = talloc_string_sub(mem_ctx, filter, "%u", username);
4321
4322  done:
4323         SAFE_FREE(filter);
4324         TALLOC_FREE(escaped);
4325
4326         return result;
4327 }
4328
4329 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4330 {
4331         int i, num = 0;
4332         va_list ap;
4333         const char **result;
4334
4335         va_start(ap, mem_ctx);
4336         while (va_arg(ap, const char *) != NULL)
4337                 num += 1;
4338         va_end(ap);
4339
4340         if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4341                 return NULL;
4342         }
4343
4344         va_start(ap, mem_ctx);
4345         for (i=0; i<num; i++) {
4346                 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4347                 if (result[i] == NULL) {
4348                         talloc_free(result);
4349                         va_end(ap);
4350                         return NULL;
4351                 }
4352         }
4353         va_end(ap);
4354
4355         result[num] = NULL;
4356         return result;
4357 }
4358
4359 struct ldap_search_state {
4360         struct smbldap_state *connection;
4361
4362         uint32_t acct_flags;
4363         uint16_t group_type;
4364
4365         const char *base;
4366         int scope;
4367         const char *filter;
4368         const char **attrs;
4369         int attrsonly;
4370         void *pagedresults_cookie;
4371
4372         LDAPMessage *entries, *current_entry;
4373         bool (*ldap2displayentry)(struct ldap_search_state *state,
4374                                   TALLOC_CTX *mem_ctx,
4375                                   LDAP *ld, LDAPMessage *entry,
4376                                   struct samr_displayentry *result);
4377 };
4378
4379 static bool ldapsam_search_firstpage(struct pdb_search *search)
4380 {
4381         struct ldap_search_state *state =
4382                 (struct ldap_search_state *)search->private_data;
4383         LDAP *ld;
4384         int rc = LDAP_OPERATIONS_ERROR;
4385
4386         state->entries = NULL;
4387
4388         if (state->connection->paged_results) {
4389                 rc = smbldap_search_paged(state->connection, state->base,
4390                                           state->scope, state->filter,
4391                                           state->attrs, state->attrsonly,
4392                                           lp_ldap_page_size(), &state->entries,
4393                                           &state->pagedresults_cookie);
4394         }
4395
4396         if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4397
4398                 if (state->entries != NULL) {
4399                         /* Left over from unsuccessful paged attempt */
4400                         ldap_msgfree(state->entries);
4401                         state->entries = NULL;
4402                 }
4403
4404                 rc = smbldap_search(state->connection, state->base,
4405                                     state->scope, state->filter, state->attrs,
4406                                     state->attrsonly, &state->entries);
4407
4408                 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4409                         return False;
4410
4411                 /* Ok, the server was lying. It told us it could do paged
4412                  * searches when it could not. */
4413                 state->connection->paged_results = False;
4414         }
4415
4416         ld = state->connection->ldap_struct;
4417         if ( ld == NULL) {
4418                 DEBUG(5, ("Don't have an LDAP connection right after a "
4419                           "search\n"));
4420                 return False;
4421         }
4422         state->current_entry = ldap_first_entry(ld, state->entries);
4423
4424         return True;
4425 }
4426
4427 static bool ldapsam_search_nextpage(struct pdb_search *search)
4428 {
4429         struct ldap_search_state *state =
4430                 (struct ldap_search_state *)search->private_data;
4431         int rc;
4432
4433         if (!state->connection->paged_results) {
4434                 /* There is no next page when there are no paged results */
4435                 return False;
4436         }
4437
4438         rc = smbldap_search_paged(state->connection, state->base,
4439                                   state->scope, state->filter, state->attrs,
4440                                   state->attrsonly, lp_ldap_page_size(),
4441                                   &state->entries,
4442                                   &state->pagedresults_cookie);
4443
4444         if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4445                 return False;
4446
4447         state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4448
4449         if (state->current_entry == NULL) {
4450                 ldap_msgfree(state->entries);
4451                 state->entries = NULL;
4452                 return false;
4453         }
4454
4455         return True;
4456 }
4457
4458 static bool ldapsam_search_next_entry(struct pdb_search *search,
4459                                       struct samr_displayentry *entry)
4460 {
4461         struct ldap_search_state *state =
4462                 (struct ldap_search_state *)search->private_data;
4463         bool result;
4464
4465  retry:
4466         if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4467                 return False;
4468
4469         if ((state->entries == NULL) &&
4470             !ldapsam_search_nextpage(search))
4471                     return False;
4472
4473         if (state->current_entry == NULL) {
4474                 return false;
4475         }
4476
4477         result = state->ldap2displayentry(state, search,
4478                                           state->connection->ldap_struct,
4479                                           state->current_entry, entry);
4480
4481         if (!result) {
4482                 char *dn;
4483                 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4484                 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4485                 if (dn != NULL) ldap_memfree(dn);
4486         }
4487
4488         state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4489
4490         if (state->current_entry == NULL) {
4491                 ldap_msgfree(state->entries);
4492                 state->entries = NULL;
4493         }
4494
4495         if (!result) goto retry;
4496
4497         return True;
4498 }
4499
4500 static void ldapsam_search_end(struct pdb_search *search)
4501 {
4502         struct ldap_search_state *state =
4503                 (struct ldap_search_state *)search->private_data;
4504         int rc;
4505
4506         if (state->pagedresults_cookie == NULL)
4507                 return;
4508
4509         if (state->entries != NULL)
4510                 ldap_msgfree(state->entries);
4511
4512         state->entries = NULL;
4513         state->current_entry = NULL;
4514
4515         if (!state->connection->paged_results)
4516                 return;
4517
4518         /* Tell the LDAP server we're not interested in the rest anymore. */
4519
4520         rc = smbldap_search_paged(state->connection, state->base, state->scope,
4521                                   state->filter, state->attrs,
4522                                   state->attrsonly, 0, &state->entries,
4523                                   &state->pagedresults_cookie);
4524
4525         if (rc != LDAP_SUCCESS)
4526                 DEBUG(5, ("Could not end search properly\n"));
4527
4528         return;
4529 }
4530
4531 static bool ldapuser2displayentry(struct ldap_search_state *state,
4532                                   TALLOC_CTX *mem_ctx,
4533                                   LDAP *ld, LDAPMessage *entry,
4534                                   struct samr_displayentry *result)
4535 {
4536         char **vals;
4537         size_t converted_size;
4538         struct dom_sid sid;
4539         uint32_t acct_flags;
4540
4541         vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4542         if ((vals == NULL) || (vals[0] == NULL)) {
4543                 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4544                 return False;
4545         }
4546         acct_flags = pdb_decode_acct_ctrl(vals[0]);
4547         ldap_value_free(vals);
4548
4549         if ((state->acct_flags != 0) &&
4550             ((state->acct_flags & acct_flags) == 0))
4551                 return False;
4552
4553         result->acct_flags = acct_flags;
4554         result->account_name = "";
4555         result->fullname = "";
4556         result->description = "";
4557
4558         vals = ldap_get_values(ld, entry, "uid");
4559         if ((vals == NULL) || (vals[0] == NULL)) {
4560                 DEBUG(5, ("\"uid\" not found\n"));
4561                 return False;
4562         }
4563         if (!pull_utf8_talloc(mem_ctx,
4564                               CONST_DISCARD(char **, &result->account_name),
4565                               vals[0], &converted_size))
4566         {
4567                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4568                          strerror(errno)));
4569         }
4570
4571         ldap_value_free(vals);
4572
4573         vals = ldap_get_values(ld, entry, "displayName");
4574         if ((vals == NULL) || (vals[0] == NULL))
4575                 DEBUG(8, ("\"displayName\" not found\n"));
4576         else if (!pull_utf8_talloc(mem_ctx,
4577                                    CONST_DISCARD(char **, &result->fullname),
4578                                    vals[0], &converted_size))
4579         {
4580                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4581                          strerror(errno)));
4582         }
4583
4584         ldap_value_free(vals);
4585
4586         vals = ldap_get_values(ld, entry, "description");
4587         if ((vals == NULL) || (vals[0] == NULL))
4588                 DEBUG(8, ("\"description\" not found\n"));
4589         else if (!pull_utf8_talloc(mem_ctx,
4590                                    CONST_DISCARD(char **, &result->description),
4591                                    vals[0], &converted_size))
4592         {
4593                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4594                          strerror(errno)));
4595         }
4596
4597         ldap_value_free(vals);
4598
4599         if ((result->account_name == NULL) ||
4600             (result->fullname == NULL) ||
4601             (result->description == NULL)) {
4602                 DEBUG(0, ("talloc failed\n"));
4603                 return False;
4604         }
4605
4606         vals = ldap_get_values(ld, entry, "sambaSid");
4607         if ((vals == NULL) || (vals[0] == NULL)) {
4608                 DEBUG(0, ("\"objectSid\" not found\n"));
4609                 return False;
4610         }
4611
4612         if (!string_to_sid(&sid, vals[0])) {
4613                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4614                 ldap_value_free(vals);
4615                 return False;
4616         }
4617         ldap_value_free(vals);
4618
4619         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4620                 DEBUG(0, ("sid %s does not belong to our domain\n",
4621                           sid_string_dbg(&sid)));
4622                 return False;
4623         }
4624
4625         return True;
4626 }
4627
4628
4629 static bool ldapsam_search_users(struct pdb_methods *methods,
4630                                  struct pdb_search *search,
4631                                  uint32_t acct_flags)
4632 {
4633         struct ldapsam_privates *ldap_state =
4634                 (struct ldapsam_privates *)methods->private_data;
4635         struct ldap_search_state *state;
4636
4637         state = talloc(search, struct ldap_search_state);
4638         if (state == NULL) {
4639                 DEBUG(0, ("talloc failed\n"));
4640                 return False;
4641         }
4642
4643         state->connection = ldap_state->smbldap_state;
4644
4645         if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4646                 state->base = lp_ldap_user_suffix();
4647         else if ((acct_flags != 0) &&
4648                  ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4649                 state->base = lp_ldap_machine_suffix();
4650         else
4651                 state->base = lp_ldap_suffix();
4652
4653         state->acct_flags = acct_flags;
4654         state->base = talloc_strdup(search, state->base);
4655         state->scope = LDAP_SCOPE_SUBTREE;
4656         state->filter = get_ldap_filter(search, "*");
4657         state->attrs = talloc_attrs(search, "uid", "sambaSid",
4658                                     "displayName", "description",
4659                                     "sambaAcctFlags", NULL);
4660         state->attrsonly = 0;
4661         state->pagedresults_cookie = NULL;
4662         state->entries = NULL;
4663         state->ldap2displayentry = ldapuser2displayentry;
4664
4665         if ((state->filter == NULL) || (state->attrs == NULL)) {
4666                 DEBUG(0, ("talloc failed\n"));
4667                 return False;
4668         }
4669
4670         search->private_data = state;
4671         search->next_entry = ldapsam_search_next_entry;
4672         search->search_end = ldapsam_search_end;
4673
4674         return ldapsam_search_firstpage(search);
4675 }
4676
4677 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4678                                    TALLOC_CTX *mem_ctx,
4679                                    LDAP *ld, LDAPMessage *entry,
4680                                    struct samr_displayentry *result)
4681 {
4682         char **vals;
4683         size_t converted_size;
4684         struct dom_sid sid;
4685         uint16_t group_type;
4686
4687         result->account_name = "";
4688         result->fullname = "";
4689         result->description = "";
4690
4691
4692         vals = ldap_get_values(ld, entry, "sambaGroupType");
4693         if ((vals == NULL) || (vals[0] == NULL)) {
4694                 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4695                 if (vals != NULL) {
4696                         ldap_value_free(vals);
4697                 }
4698                 return False;
4699         }
4700
4701         group_type = atoi(vals[0]);
4702
4703         if ((state->group_type != 0) &&
4704             ((state->group_type != group_type))) {
4705                 ldap_value_free(vals);
4706                 return False;
4707         }
4708
4709         ldap_value_free(vals);
4710
4711         /* display name is the NT group name */
4712
4713         vals = ldap_get_values(ld, entry, "displayName");
4714         if ((vals == NULL) || (vals[0] == NULL)) {
4715                 DEBUG(8, ("\"displayName\" not found\n"));
4716
4717                 /* fallback to the 'cn' attribute */
4718                 vals = ldap_get_values(ld, entry, "cn");
4719                 if ((vals == NULL) || (vals[0] == NULL)) {
4720                         DEBUG(5, ("\"cn\" not found\n"));
4721                         return False;
4722                 }
4723                 if (!pull_utf8_talloc(mem_ctx,
4724                                       CONST_DISCARD(char **,
4725                                                     &result->account_name),
4726                                       vals[0], &converted_size))
4727                 {
4728                         DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4729                                   "failed: %s", strerror(errno)));
4730                 }
4731         }
4732         else if (!pull_utf8_talloc(mem_ctx,
4733                                    CONST_DISCARD(char **,
4734                                                  &result->account_name),
4735                                    vals[0], &converted_size))
4736         {
4737                 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4738                           strerror(errno)));
4739         }
4740
4741         ldap_value_free(vals);
4742
4743         vals = ldap_get_values(ld, entry, "description");
4744         if ((vals == NULL) || (vals[0] == NULL))
4745                 DEBUG(8, ("\"description\" not found\n"));
4746         else if (!pull_utf8_talloc(mem_ctx,
4747                                    CONST_DISCARD(char **, &result->description),
4748                                    vals[0], &converted_size))
4749         {
4750                 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4751                           strerror(errno)));
4752         }
4753         ldap_value_free(vals);
4754
4755         if ((result->account_name == NULL) ||
4756             (result->fullname == NULL) ||
4757             (result->description == NULL)) {
4758                 DEBUG(0, ("talloc failed\n"));
4759                 return False;
4760         }
4761
4762         vals = ldap_get_values(ld, entry, "sambaSid");
4763         if ((vals == NULL) || (vals[0] == NULL)) {
4764                 DEBUG(0, ("\"objectSid\" not found\n"));
4765                 if (vals != NULL) {
4766                         ldap_value_free(vals);
4767                 }
4768                 return False;
4769         }
4770
4771         if (!string_to_sid(&sid, vals[0])) {
4772                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4773                 return False;
4774         }
4775
4776         ldap_value_free(vals);
4777
4778         switch (group_type) {
4779                 case SID_NAME_DOM_GRP:
4780                 case SID_NAME_ALIAS:
4781
4782                         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4783                                 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4784                         {
4785                                 DEBUG(0, ("%s is not in our domain\n",
4786                                           sid_string_dbg(&sid)));
4787                                 return False;
4788                         }
4789                         break;
4790
4791                 default:
4792                         DEBUG(0,("unknown group type: %d\n", group_type));
4793                         return False;
4794         }
4795
4796         result->acct_flags = 0;
4797
4798         return True;
4799 }
4800
4801 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4802                                      struct pdb_search *search,
4803                                      const struct dom_sid *sid,
4804                                      enum lsa_SidType type)
4805 {
4806         struct ldapsam_privates *ldap_state =
4807                 (struct ldapsam_privates *)methods->private_data;
4808         struct ldap_search_state *state;
4809         fstring tmp;
4810
4811         state = talloc(search, struct ldap_search_state);
4812         if (state == NULL) {
4813                 DEBUG(0, ("talloc failed\n"));
4814                 return False;
4815         }
4816
4817         state->connection = ldap_state->smbldap_state;
4818
4819         state->base = talloc_strdup(search, lp_ldap_suffix());
4820         state->connection = ldap_state->smbldap_state;
4821         state->scope = LDAP_SCOPE_SUBTREE;
4822         state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4823                                         "(sambaGroupType=%d)(sambaSID=%s*))",
4824                                          LDAP_OBJ_GROUPMAP,
4825                                          type, sid_to_fstring(tmp, sid));
4826         state->attrs = talloc_attrs(search, "cn", "sambaSid",
4827                                     "displayName", "description",
4828                                     "sambaGroupType", NULL);
4829         state->attrsonly = 0;
4830         state->pagedresults_cookie = NULL;
4831         state->entries = NULL;
4832         state->group_type = type;
4833         state->ldap2displayentry = ldapgroup2displayentry;
4834
4835         if ((state->filter == NULL) || (state->attrs == NULL)) {
4836                 DEBUG(0, ("talloc failed\n"));
4837                 return False;
4838         }
4839
4840         search->private_data = state;
4841         search->next_entry = ldapsam_search_next_entry;
4842         search->search_end = ldapsam_search_end;
4843
4844         return ldapsam_search_firstpage(search);
4845 }
4846
4847 static bool ldapsam_search_groups(struct pdb_methods *methods,
4848                                   struct pdb_search *search)
4849 {
4850         return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4851 }
4852
4853 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4854                                    struct pdb_search *search,
4855                                    const struct dom_sid *sid)
4856 {
4857         return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4858 }
4859
4860 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4861 {
4862         return PDB_CAP_STORE_RIDS;
4863 }
4864
4865 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4866                                     uint32_t *rid)
4867 {
4868         struct smbldap_state *smbldap_state = priv->smbldap_state;
4869
4870         LDAPMessage *result = NULL;
4871         LDAPMessage *entry = NULL;
4872         LDAPMod **mods = NULL;
4873         NTSTATUS status;
4874         char *value;
4875         int rc;
4876         uint32_t nextRid = 0;
4877         const char *dn;
4878
4879         TALLOC_CTX *mem_ctx;
4880
4881         mem_ctx = talloc_new(NULL);
4882         if (mem_ctx == NULL) {
4883                 DEBUG(0, ("talloc_new failed\n"));
4884                 return NT_STATUS_NO_MEMORY;
4885         }
4886
4887         status = smbldap_search_domain_info(smbldap_state, &result,
4888                                             get_global_sam_name(), False);
4889         if (!NT_STATUS_IS_OK(status)) {
4890                 DEBUG(3, ("Could not get domain info: %s\n",
4891                           nt_errstr(status)));
4892                 goto done;
4893         }
4894
4895         talloc_autofree_ldapmsg(mem_ctx, result);
4896
4897         entry = ldap_first_entry(priv2ld(priv), result);
4898         if (entry == NULL) {
4899                 DEBUG(0, ("Could not get domain info entry\n"));
4900                 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4901                 goto done;
4902         }
4903
4904         /* Find the largest of the three attributes "sambaNextRid",
4905            "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4906            concept of differentiating between user and group rids, and will
4907            use only "sambaNextRid" in the future. But for compatibility
4908            reasons I look if others have chosen different strategies -- VL */
4909
4910         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4911                                                 "sambaNextRid", mem_ctx);
4912         if (value != NULL) {
4913                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4914                 nextRid = MAX(nextRid, tmp);
4915         }
4916
4917         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4918                                                 "sambaNextUserRid", mem_ctx);
4919         if (value != NULL) {
4920                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4921                 nextRid = MAX(nextRid, tmp);
4922         }
4923
4924         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4925                                                 "sambaNextGroupRid", mem_ctx);
4926         if (value != NULL) {
4927                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4928                 nextRid = MAX(nextRid, tmp);
4929         }
4930
4931         if (nextRid == 0) {
4932                 nextRid = BASE_RID-1;
4933         }
4934
4935         nextRid += 1;
4936
4937         smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4938                          talloc_asprintf(mem_ctx, "%d", nextRid));
4939         talloc_autofree_ldapmod(mem_ctx, mods);
4940
4941         if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4942                 status = NT_STATUS_NO_MEMORY;
4943                 goto done;
4944         }
4945
4946         rc = smbldap_modify(smbldap_state, dn, mods);
4947
4948         /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4949          * please retry" */
4950
4951         status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4952
4953  done:
4954         if (NT_STATUS_IS_OK(status)) {
4955                 *rid = nextRid;
4956         }
4957
4958         TALLOC_FREE(mem_ctx);
4959         return status;
4960 }
4961
4962 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4963 {
4964         int i;
4965
4966         for (i=0; i<10; i++) {
4967                 NTSTATUS result = ldapsam_get_new_rid(
4968                         (struct ldapsam_privates *)methods->private_data, rid);
4969                 if (NT_STATUS_IS_OK(result)) {
4970                         return result;
4971                 }
4972
4973                 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4974                         return result;
4975                 }
4976
4977                 /* The ldap update failed (maybe a race condition), retry */
4978         }
4979
4980         /* Tried 10 times, fail. */
4981         return NT_STATUS_ACCESS_DENIED;
4982 }
4983
4984 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4985 {
4986         NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4987         return NT_STATUS_IS_OK(result) ? True : False;
4988 }
4989
4990 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4991                               const struct dom_sid *sid,
4992                               union unid_t *id, enum lsa_SidType *type)
4993 {
4994         struct ldapsam_privates *priv =
4995                 (struct ldapsam_privates *)methods->private_data;
4996         char *filter;
4997         const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4998                                 NULL };
4999         LDAPMessage *result = NULL;
5000         LDAPMessage *entry = NULL;
5001         bool ret = False;
5002         char *value;
5003         int rc;
5004
5005         TALLOC_CTX *mem_ctx;
5006
5007         mem_ctx = talloc_new(NULL);
5008         if (mem_ctx == NULL) {
5009                 DEBUG(0, ("talloc_new failed\n"));
5010                 return False;
5011         }
5012
5013         filter = talloc_asprintf(mem_ctx,
5014                                  "(&(sambaSid=%s)"
5015                                  "(|(objectClass=%s)(objectClass=%s)))",
5016                                  sid_string_talloc(mem_ctx, sid),
5017                                  LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5018         if (filter == NULL) {
5019                 DEBUG(5, ("talloc_asprintf failed\n"));
5020                 goto done;
5021         }
5022
5023         rc = smbldap_search_suffix(priv->smbldap_state, filter,
5024                                    attrs, &result);
5025         if (rc != LDAP_SUCCESS) {
5026                 goto done;
5027         }
5028         talloc_autofree_ldapmsg(mem_ctx, result);
5029
5030         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5031                 DEBUG(10, ("Got %d entries, expected one\n",
5032                            ldap_count_entries(priv2ld(priv), result)));
5033                 goto done;
5034         }
5035
5036         entry = ldap_first_entry(priv2ld(priv), result);
5037
5038         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5039                                                 "sambaGroupType", mem_ctx);
5040
5041         if (value != NULL) {
5042                 const char *gid_str;
5043                 /* It's a group */
5044
5045                 gid_str = smbldap_talloc_single_attribute(
5046                         priv2ld(priv), entry, "gidNumber", mem_ctx);
5047                 if (gid_str == NULL) {
5048                         DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5049                                   smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5050                                                     entry)));
5051                         goto done;
5052                 }
5053
5054                 id->gid = strtoul(gid_str, NULL, 10);
5055                 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5056                 store_gid_sid_cache(sid, id->gid);
5057                 idmap_cache_set_sid2gid(sid, id->gid);
5058                 ret = True;
5059                 goto done;
5060         }
5061
5062         /* It must be a user */
5063
5064         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5065                                                 "uidNumber", mem_ctx);
5066         if (value == NULL) {
5067                 DEBUG(1, ("Could not find uidNumber in %s\n",
5068                           smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5069                 goto done;
5070         }
5071
5072         id->uid = strtoul(value, NULL, 10);
5073         *type = SID_NAME_USER;
5074         store_uid_sid_cache(sid, id->uid);
5075         idmap_cache_set_sid2uid(sid, id->uid);
5076
5077         ret = True;
5078  done:
5079         TALLOC_FREE(mem_ctx);
5080         return ret;
5081 }
5082
5083 /**
5084  * Find the SID for a uid.
5085  * This is shortcut is only used if ldapsam:trusted is set to true.
5086  */
5087 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5088                                struct dom_sid *sid)
5089 {
5090         struct ldapsam_privates *priv =
5091                 (struct ldapsam_privates *)methods->private_data;
5092         char *filter;
5093         const char *attrs[] = { "sambaSID", NULL };
5094         LDAPMessage *result = NULL;
5095         LDAPMessage *entry = NULL;
5096         bool ret = false;
5097         char *user_sid_string;
5098         struct dom_sid user_sid;
5099         int rc;
5100         TALLOC_CTX *tmp_ctx = talloc_stackframe();
5101
5102         filter = talloc_asprintf(tmp_ctx,
5103                                  "(&(uidNumber=%u)"
5104                                  "(objectClass=%s)"
5105                                  "(objectClass=%s))",
5106                                  (unsigned int)uid,
5107                                  LDAP_OBJ_POSIXACCOUNT,
5108                                  LDAP_OBJ_SAMBASAMACCOUNT);
5109         if (filter == NULL) {
5110                 DEBUG(3, ("talloc_asprintf failed\n"));
5111                 goto done;
5112         }
5113
5114         rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5115         if (rc != LDAP_SUCCESS) {
5116                 goto done;
5117         }
5118         talloc_autofree_ldapmsg(tmp_ctx, result);
5119
5120         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5121                 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5122                            ldap_count_entries(priv2ld(priv), result),
5123                            (unsigned int)uid));
5124                 goto done;
5125         }
5126
5127         entry = ldap_first_entry(priv2ld(priv), result);
5128
5129         user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5130                                                           "sambaSID", tmp_ctx);
5131         if (user_sid_string == NULL) {
5132                 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5133                           smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5134                 goto done;
5135         }
5136
5137         if (!string_to_sid(&user_sid, user_sid_string)) {
5138                 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5139                           user_sid_string));
5140                 goto done;
5141         }
5142
5143         sid_copy(sid, &user_sid);
5144
5145         store_uid_sid_cache(sid, uid);
5146         idmap_cache_set_sid2uid(sid, uid);
5147
5148         ret = true;
5149
5150  done:
5151         TALLOC_FREE(tmp_ctx);
5152         return ret;
5153 }
5154
5155 /**
5156  * Find the SID for a gid.
5157  * This is shortcut is only used if ldapsam:trusted is set to true.
5158  */
5159 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5160                                struct dom_sid *sid)
5161 {
5162         struct ldapsam_privates *priv =
5163                 (struct ldapsam_privates *)methods->private_data;
5164         char *filter;
5165         const char *attrs[] = { "sambaSID", NULL };
5166         LDAPMessage *result = NULL;
5167         LDAPMessage *entry = NULL;
5168         bool ret = false;
5169         char *group_sid_string;
5170         struct dom_sid group_sid;
5171         int rc;
5172         TALLOC_CTX *tmp_ctx = talloc_stackframe();
5173
5174         filter = talloc_asprintf(tmp_ctx,
5175                                  "(&(gidNumber=%u)"
5176                                  "(objectClass=%s))",
5177                                  (unsigned int)gid,
5178                                  LDAP_OBJ_GROUPMAP);
5179         if (filter == NULL) {
5180                 DEBUG(3, ("talloc_asprintf failed\n"));
5181                 goto done;
5182         }
5183
5184         rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5185         if (rc != LDAP_SUCCESS) {
5186                 goto done;
5187         }
5188         talloc_autofree_ldapmsg(tmp_ctx, result);
5189
5190         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5191                 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5192                            ldap_count_entries(priv2ld(priv), result),
5193                            (unsigned int)gid));
5194                 goto done;
5195         }
5196
5197         entry = ldap_first_entry(priv2ld(priv), result);
5198
5199         group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5200                                                           "sambaSID", tmp_ctx);
5201         if (group_sid_string == NULL) {
5202                 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5203                           smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5204                 goto done;
5205         }
5206
5207         if (!string_to_sid(&group_sid, group_sid_string)) {
5208                 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5209                           group_sid_string));
5210                 goto done;
5211         }
5212
5213         sid_copy(sid, &group_sid);
5214
5215         store_gid_sid_cache(sid, gid);
5216         idmap_cache_set_sid2gid(sid, gid);
5217
5218         ret = true;
5219
5220  done:
5221         TALLOC_FREE(tmp_ctx);
5222         return ret;
5223 }
5224
5225
5226 /*
5227  * The following functions are called only if
5228  * ldapsam:trusted and ldapsam:editposix are
5229  * set to true
5230  */
5231
5232 /*
5233  * ldapsam_create_user creates a new
5234  * posixAccount and sambaSamAccount object
5235  * in the ldap users subtree
5236  *
5237  * The uid is allocated by winbindd.
5238  */
5239
5240 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5241                                     TALLOC_CTX *tmp_ctx, const char *name,
5242                                     uint32_t acb_info, uint32_t *rid)
5243 {
5244         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5245         LDAPMessage *entry = NULL;
5246         LDAPMessage *result = NULL;
5247         uint32_t num_result;
5248         bool is_machine = False;
5249         bool add_posix = False;
5250         LDAPMod **mods = NULL;
5251         struct samu *user;
5252         char *filter;
5253         char *username;
5254         char *homedir;
5255         char *gidstr;
5256         char *uidstr;
5257         char *shell;
5258         const char *dn = NULL;
5259         struct dom_sid group_sid;
5260         struct dom_sid user_sid;
5261         gid_t gid = -1;
5262         uid_t uid = -1;
5263         NTSTATUS ret;
5264         int rc;
5265
5266         if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5267               acb_info & ACB_WSTRUST ||
5268               acb_info & ACB_SVRTRUST ||
5269               acb_info & ACB_DOMTRUST) {
5270                 is_machine = True;
5271         }
5272
5273         username = escape_ldap_string(talloc_tos(), name);
5274         filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5275                                  username, LDAP_OBJ_POSIXACCOUNT);
5276         TALLOC_FREE(username);
5277
5278         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5279         if (rc != LDAP_SUCCESS) {
5280                 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5281                 return NT_STATUS_ACCESS_DENIED;
5282         }
5283         talloc_autofree_ldapmsg(tmp_ctx, result);
5284
5285         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5286
5287         if (num_result > 1) {
5288                 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5289                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5290         }
5291
5292         if (num_result == 1) {
5293                 char *tmp;
5294                 /* check if it is just a posix account.
5295                  * or if there is a sid attached to this entry
5296                  */
5297
5298                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5299                 if (!entry) {
5300                         return NT_STATUS_UNSUCCESSFUL;
5301                 }
5302
5303                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5304                 if (tmp) {
5305                         DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5306                         return NT_STATUS_USER_EXISTS;
5307                 }
5308
5309                 /* it is just a posix account, retrieve the dn for later use */
5310                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5311                 if (!dn) {
5312                         DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5313                         return NT_STATUS_NO_MEMORY;
5314                 }
5315         }
5316
5317         if (num_result == 0) {
5318                 add_posix = True;
5319         }
5320
5321         /* Create the basic samu structure and generate the mods for the ldap commit */
5322         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5323                 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5324                 return ret;
5325         }
5326
5327         sid_compose(&user_sid, get_global_sam_sid(), *rid);
5328
5329         user = samu_new(tmp_ctx);
5330         if (!user) {
5331                 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5332                 return NT_STATUS_NO_MEMORY;
5333         }
5334
5335         if (!pdb_set_username(user, name, PDB_SET)) {
5336                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5337                 return NT_STATUS_UNSUCCESSFUL;
5338         }
5339         if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5340                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5341                 return NT_STATUS_UNSUCCESSFUL;
5342         }
5343         if (is_machine) {
5344                 if (acb_info & ACB_NORMAL) {
5345                         if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5346                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5347                                 return NT_STATUS_UNSUCCESSFUL;
5348                         }
5349                 } else {
5350                         if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5351                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5352                                 return NT_STATUS_UNSUCCESSFUL;
5353                         }
5354                 }
5355         } else {
5356                 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5357                         DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5358                         return NT_STATUS_UNSUCCESSFUL;
5359                 }
5360         }
5361
5362         if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5363                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5364                 return NT_STATUS_UNSUCCESSFUL;
5365         }
5366
5367         if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5368                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5369                 return NT_STATUS_UNSUCCESSFUL;
5370         }
5371
5372         if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5373                 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5374         }
5375         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5376
5377         if (add_posix) {
5378                 char *escape_name;
5379
5380                 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5381
5382                 /* retrieve the Domain Users group gid */
5383                 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5384                     !sid_to_gid(&group_sid, &gid)) {
5385                         DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5386                         return NT_STATUS_INVALID_PRIMARY_GROUP;
5387                 }
5388
5389                 /* lets allocate a new userid for this user */
5390                 if (!winbind_allocate_uid(&uid)) {
5391                         DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5392                         return NT_STATUS_UNSUCCESSFUL;
5393                 }
5394
5395
5396                 if (is_machine) {
5397                         /* TODO: choose a more appropriate default for machines */
5398                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5399                         shell = talloc_strdup(tmp_ctx, "/bin/false");
5400                 } else {
5401                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5402                         shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5403                 }
5404                 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5405                 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5406
5407                 escape_name = escape_rdn_val_string_alloc(name);
5408                 if (!escape_name) {
5409                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5410                         return NT_STATUS_NO_MEMORY;
5411                 }
5412
5413                 if (is_machine) {
5414                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5415                 } else {
5416                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5417                 }
5418
5419                 SAFE_FREE(escape_name);
5420
5421                 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5422                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5423                         return NT_STATUS_NO_MEMORY;
5424                 }
5425
5426                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5427                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5428                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5429                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5430                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5431                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5432                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5433         }
5434
5435         talloc_autofree_ldapmod(tmp_ctx, mods);
5436
5437         if (add_posix) {
5438                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5439         } else {
5440                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5441         }
5442
5443         if (rc != LDAP_SUCCESS) {
5444                 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5445                 return NT_STATUS_UNSUCCESSFUL;
5446         }
5447
5448         DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5449
5450         flush_pwnam_cache();
5451
5452         return NT_STATUS_OK;
5453 }
5454
5455 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5456 {
5457         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5458         LDAPMessage *result = NULL;
5459         LDAPMessage *entry = NULL;
5460         int num_result;
5461         const char *dn;
5462         char *filter;
5463         int rc;
5464
5465         DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5466
5467         filter = talloc_asprintf(tmp_ctx,
5468                                  "(&(uid=%s)"
5469                                  "(objectClass=%s)"
5470                                  "(objectClass=%s))",
5471                                  pdb_get_username(sam_acct),
5472                                  LDAP_OBJ_POSIXACCOUNT,
5473                                  LDAP_OBJ_SAMBASAMACCOUNT);
5474         if (filter == NULL) {
5475                 return NT_STATUS_NO_MEMORY;
5476         }
5477
5478         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5479         if (rc != LDAP_SUCCESS) {
5480                 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5481                 return NT_STATUS_UNSUCCESSFUL;
5482         }
5483         talloc_autofree_ldapmsg(tmp_ctx, result);
5484
5485         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5486
5487         if (num_result == 0) {
5488                 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5489                 return NT_STATUS_NO_SUCH_USER;
5490         }
5491
5492         if (num_result > 1) {
5493                 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5494                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5495         }
5496
5497         entry = ldap_first_entry(priv2ld(ldap_state), result);
5498         if (!entry) {
5499                 return NT_STATUS_UNSUCCESSFUL;
5500         }
5501
5502         /* it is just a posix account, retrieve the dn for later use */
5503         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5504         if (!dn) {
5505                 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5506                 return NT_STATUS_NO_MEMORY;
5507         }
5508
5509         /* try to remove memberships first */
5510         {
5511                 NTSTATUS status;
5512                 struct dom_sid *sids = NULL;
5513                 gid_t *gids = NULL;
5514                 uint32_t num_groups = 0;
5515                 int i;
5516                 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5517
5518                 status = ldapsam_enum_group_memberships(my_methods,
5519                                                         tmp_ctx,
5520                                                         sam_acct,
5521                                                         &sids,
5522                                                         &gids,
5523                                                         &num_groups);
5524                 if (!NT_STATUS_IS_OK(status)) {
5525                         goto delete_dn;
5526                 }
5527
5528                 for (i=0; i < num_groups; i++) {
5529
5530                         uint32_t group_rid;
5531
5532                         sid_peek_rid(&sids[i], &group_rid);
5533
5534                         ldapsam_del_groupmem(my_methods,
5535                                              tmp_ctx,
5536                                              group_rid,
5537                                              user_rid);
5538                 }
5539         }
5540
5541  delete_dn:
5542
5543         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5544         if (rc != LDAP_SUCCESS) {
5545                 return NT_STATUS_UNSUCCESSFUL;
5546         }
5547
5548         flush_pwnam_cache();
5549
5550         return NT_STATUS_OK;
5551 }
5552
5553 /*
5554  * ldapsam_create_group creates a new
5555  * posixGroup and sambaGroupMapping object
5556  * in the ldap groups subtree
5557  *
5558  * The gid is allocated by winbindd.
5559  */
5560
5561 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5562                                          TALLOC_CTX *tmp_ctx,
5563                                          const char *name,
5564                                          uint32_t *rid)
5565 {
5566         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5567         NTSTATUS ret;
5568         LDAPMessage *entry = NULL;
5569         LDAPMessage *result = NULL;
5570         uint32_t num_result;
5571         bool is_new_entry = False;
5572         LDAPMod **mods = NULL;
5573         char *filter;
5574         char *groupsidstr;
5575         char *groupname;
5576         char *grouptype;
5577         char *gidstr;
5578         const char *dn = NULL;
5579         struct dom_sid group_sid;
5580         gid_t gid = -1;
5581         int rc;
5582
5583         groupname = escape_ldap_string(talloc_tos(), name);
5584         filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5585                                  groupname, LDAP_OBJ_POSIXGROUP);
5586         TALLOC_FREE(groupname);
5587
5588         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5589         if (rc != LDAP_SUCCESS) {
5590                 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5591                 return NT_STATUS_UNSUCCESSFUL;
5592         }
5593         talloc_autofree_ldapmsg(tmp_ctx, result);
5594
5595         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5596
5597         if (num_result > 1) {
5598                 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5599                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5600         }
5601
5602         if (num_result == 1) {
5603                 char *tmp;
5604                 /* check if it is just a posix group.
5605                  * or if there is a sid attached to this entry
5606                  */
5607
5608                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5609                 if (!entry) {
5610                         return NT_STATUS_UNSUCCESSFUL;
5611                 }
5612
5613                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5614                 if (tmp) {
5615                         DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5616                         return NT_STATUS_GROUP_EXISTS;
5617                 }
5618
5619                 /* it is just a posix group, retrieve the gid and the dn for later use */
5620                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5621                 if (!tmp) {
5622                         DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5623                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5624                 }
5625
5626                 gid = strtoul(tmp, NULL, 10);
5627
5628                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5629                 if (!dn) {
5630                         DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5631                         return NT_STATUS_NO_MEMORY;
5632                 }
5633         }
5634
5635         if (num_result == 0) {
5636                 is_new_entry = true;
5637         }
5638
5639         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5640                 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5641                 return ret;
5642         }
5643
5644         sid_compose(&group_sid, get_global_sam_sid(), *rid);
5645
5646         groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5647                                                                &group_sid));
5648         grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5649
5650         if (!groupsidstr || !grouptype) {
5651                 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5652                 return NT_STATUS_NO_MEMORY;
5653         }
5654
5655         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5656         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5657         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5658         smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5659
5660         if (is_new_entry) {
5661                 char *escape_name;
5662
5663                 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5664
5665                 /* lets allocate a new groupid for this group */
5666                 if (!winbind_allocate_gid(&gid)) {
5667                         DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5668                         return NT_STATUS_UNSUCCESSFUL;
5669                 }
5670
5671                 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5672
5673                 escape_name = escape_rdn_val_string_alloc(name);
5674                 if (!escape_name) {
5675                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5676                         return NT_STATUS_NO_MEMORY;
5677                 }
5678
5679                 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5680
5681                 SAFE_FREE(escape_name);
5682
5683                 if (!gidstr || !dn) {
5684                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5685                         return NT_STATUS_NO_MEMORY;
5686                 }
5687
5688                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5689                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5690                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5691         }
5692
5693         talloc_autofree_ldapmod(tmp_ctx, mods);
5694
5695         if (is_new_entry) {
5696                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5697 #if 0
5698                 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5699                         /* This call may fail with rfc2307bis schema */
5700                         /* Retry adding a structural class */
5701                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5702                         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5703                 }
5704 #endif
5705         } else {
5706                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5707         }
5708
5709         if (rc != LDAP_SUCCESS) {
5710                 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5711                 return NT_STATUS_UNSUCCESSFUL;
5712         }
5713
5714         DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5715
5716         return NT_STATUS_OK;
5717 }
5718
5719 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5720 {
5721         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5722         LDAPMessage *result = NULL;
5723         LDAPMessage *entry = NULL;
5724         int num_result;
5725         const char *dn;
5726         char *gidstr;
5727         char *filter;
5728         struct dom_sid group_sid;
5729         int rc;
5730
5731         /* get the group sid */
5732         sid_compose(&group_sid, get_global_sam_sid(), rid);
5733
5734         filter = talloc_asprintf(tmp_ctx,
5735                                  "(&(sambaSID=%s)"
5736                                  "(objectClass=%s)"
5737                                  "(objectClass=%s))",
5738                                  sid_string_talloc(tmp_ctx, &group_sid),
5739                                  LDAP_OBJ_POSIXGROUP,
5740                                  LDAP_OBJ_GROUPMAP);
5741         if (filter == NULL) {
5742                 return NT_STATUS_NO_MEMORY;
5743         }
5744
5745         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5746         if (rc != LDAP_SUCCESS) {
5747                 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5748                 return NT_STATUS_UNSUCCESSFUL;
5749         }
5750         talloc_autofree_ldapmsg(tmp_ctx, result);
5751
5752         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5753
5754         if (num_result == 0) {
5755                 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5756                 return NT_STATUS_NO_SUCH_GROUP;
5757         }
5758
5759         if (num_result > 1) {
5760                 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5761                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5762         }
5763
5764         entry = ldap_first_entry(priv2ld(ldap_state), result);
5765         if (!entry) {
5766                 return NT_STATUS_UNSUCCESSFUL;
5767         }
5768
5769         /* here it is, retrieve the dn for later use */
5770         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5771         if (!dn) {
5772                 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5773                 return NT_STATUS_NO_MEMORY;
5774         }
5775
5776         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5777         if (!gidstr) {
5778                 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5779                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5780         }
5781
5782         /* check no user have this group marked as primary group */
5783         filter = talloc_asprintf(tmp_ctx,
5784                                  "(&(gidNumber=%s)"
5785                                  "(objectClass=%s)"
5786                                  "(objectClass=%s))",
5787                                  gidstr,
5788                                  LDAP_OBJ_POSIXACCOUNT,
5789                                  LDAP_OBJ_SAMBASAMACCOUNT);
5790
5791         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5792         if (rc != LDAP_SUCCESS) {
5793                 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5794                 return NT_STATUS_UNSUCCESSFUL;
5795         }
5796         talloc_autofree_ldapmsg(tmp_ctx, result);
5797
5798         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5799
5800         if (num_result != 0) {
5801                 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5802                 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5803         }
5804
5805         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5806         if (rc != LDAP_SUCCESS) {
5807                 return NT_STATUS_UNSUCCESSFUL;
5808         }
5809
5810         return NT_STATUS_OK;
5811 }
5812
5813 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5814                                         TALLOC_CTX *tmp_ctx,
5815                                         uint32_t group_rid,
5816                                         uint32_t member_rid,
5817                                         int modop)
5818 {
5819         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5820         LDAPMessage *entry = NULL;
5821         LDAPMessage *result = NULL;
5822         uint32_t num_result;
5823         LDAPMod **mods = NULL;
5824         char *filter;
5825         char *uidstr;
5826         const char *dn = NULL;
5827         struct dom_sid group_sid;
5828         struct dom_sid member_sid;
5829         int rc;
5830
5831         switch (modop) {
5832         case LDAP_MOD_ADD:
5833                 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5834                 break;
5835         case LDAP_MOD_DELETE:
5836                 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5837                 break;
5838         default:
5839                 return NT_STATUS_UNSUCCESSFUL;
5840         }
5841
5842         /* get member sid  */
5843         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5844
5845         /* get the group sid */
5846         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5847
5848         filter = talloc_asprintf(tmp_ctx,
5849                                  "(&(sambaSID=%s)"
5850                                  "(objectClass=%s)"
5851                                  "(objectClass=%s))",
5852                                  sid_string_talloc(tmp_ctx, &member_sid),
5853                                  LDAP_OBJ_POSIXACCOUNT,
5854                                  LDAP_OBJ_SAMBASAMACCOUNT);
5855         if (filter == NULL) {
5856                 return NT_STATUS_NO_MEMORY;
5857         }
5858
5859         /* get the member uid */
5860         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5861         if (rc != LDAP_SUCCESS) {
5862                 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5863                 return NT_STATUS_UNSUCCESSFUL;
5864         }
5865         talloc_autofree_ldapmsg(tmp_ctx, result);
5866
5867         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5868
5869         if (num_result == 0) {
5870                 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5871                 return NT_STATUS_NO_SUCH_MEMBER;
5872         }
5873
5874         if (num_result > 1) {
5875                 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5876                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5877         }
5878
5879         entry = ldap_first_entry(priv2ld(ldap_state), result);
5880         if (!entry) {
5881                 return NT_STATUS_UNSUCCESSFUL;
5882         }
5883
5884         if (modop == LDAP_MOD_DELETE) {
5885                 /* check if we are trying to remove the member from his primary group */
5886                 char *gidstr;
5887                 gid_t user_gid, group_gid;
5888
5889                 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5890                 if (!gidstr) {
5891                         DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5892                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5893                 }
5894
5895                 user_gid = strtoul(gidstr, NULL, 10);
5896
5897                 if (!sid_to_gid(&group_sid, &group_gid)) {
5898                         DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5899                         return NT_STATUS_UNSUCCESSFUL;
5900                 }
5901
5902                 if (user_gid == group_gid) {
5903                         DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5904                         return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5905                 }
5906         }
5907
5908         /* here it is, retrieve the uid for later use */
5909         uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5910         if (!uidstr) {
5911                 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5912                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5913         }
5914
5915         filter = talloc_asprintf(tmp_ctx,
5916                                  "(&(sambaSID=%s)"
5917                                  "(objectClass=%s)"
5918                                  "(objectClass=%s))",
5919                                  sid_string_talloc(tmp_ctx, &group_sid),
5920                                  LDAP_OBJ_POSIXGROUP,
5921                                  LDAP_OBJ_GROUPMAP);
5922
5923         /* get the group */
5924         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5925         if (rc != LDAP_SUCCESS) {
5926                 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5927                 return NT_STATUS_UNSUCCESSFUL;
5928         }
5929         talloc_autofree_ldapmsg(tmp_ctx, result);
5930
5931         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5932
5933         if (num_result == 0) {
5934                 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5935                 return NT_STATUS_NO_SUCH_GROUP;
5936         }
5937
5938         if (num_result > 1) {
5939                 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5940                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5941         }
5942
5943         entry = ldap_first_entry(priv2ld(ldap_state), result);
5944         if (!entry) {
5945                 return NT_STATUS_UNSUCCESSFUL;
5946         }
5947
5948         /* here it is, retrieve the dn for later use */
5949         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5950         if (!dn) {
5951                 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5952                 return NT_STATUS_NO_MEMORY;
5953         }
5954
5955         smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5956
5957         talloc_autofree_ldapmod(tmp_ctx, mods);
5958
5959         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5960         if (rc != LDAP_SUCCESS) {
5961                 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5962                         DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5963                         return NT_STATUS_MEMBER_IN_GROUP;
5964                 }
5965                 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5966                         DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5967                         return NT_STATUS_MEMBER_NOT_IN_GROUP;
5968                 }
5969                 return NT_STATUS_UNSUCCESSFUL;
5970         }
5971
5972         return NT_STATUS_OK;
5973 }
5974
5975 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5976                                      TALLOC_CTX *tmp_ctx,
5977                                      uint32_t group_rid,
5978                                      uint32_t member_rid)
5979 {
5980         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5981 }
5982 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5983                                      TALLOC_CTX *tmp_ctx,
5984                                      uint32_t group_rid,
5985                                      uint32_t member_rid)
5986 {
5987         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5988 }
5989
5990 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5991                                           TALLOC_CTX *mem_ctx,
5992                                           struct samu *sampass)
5993 {
5994         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5995         LDAPMessage *entry = NULL;
5996         LDAPMessage *result = NULL;
5997         uint32_t num_result;
5998         LDAPMod **mods = NULL;
5999         char *filter;
6000         char *escape_username;
6001         char *gidstr;
6002         const char *dn = NULL;
6003         gid_t gid;
6004         int rc;
6005
6006         DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6007
6008         if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6009                 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6010                 return NT_STATUS_UNSUCCESSFUL;
6011         }
6012         gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6013         if (!gidstr) {
6014                 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6015                 return NT_STATUS_NO_MEMORY;
6016         }
6017
6018         escape_username = escape_ldap_string(talloc_tos(),
6019                                              pdb_get_username(sampass));
6020         if (escape_username== NULL) {
6021                 return NT_STATUS_NO_MEMORY;
6022         }
6023
6024         filter = talloc_asprintf(mem_ctx,
6025                                  "(&(uid=%s)"
6026                                  "(objectClass=%s)"
6027                                  "(objectClass=%s))",
6028                                  escape_username,
6029                                  LDAP_OBJ_POSIXACCOUNT,
6030                                  LDAP_OBJ_SAMBASAMACCOUNT);
6031
6032         TALLOC_FREE(escape_username);
6033
6034         if (filter == NULL) {
6035                 return NT_STATUS_NO_MEMORY;
6036         }
6037
6038         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6039         if (rc != LDAP_SUCCESS) {
6040                 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6041                 return NT_STATUS_UNSUCCESSFUL;
6042         }
6043         talloc_autofree_ldapmsg(mem_ctx, result);
6044
6045         num_result = ldap_count_entries(priv2ld(ldap_state), result);
6046
6047         if (num_result == 0) {
6048                 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6049                 return NT_STATUS_NO_SUCH_USER;
6050         }
6051
6052         if (num_result > 1) {
6053                 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6054                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6055         }
6056
6057         entry = ldap_first_entry(priv2ld(ldap_state), result);
6058         if (!entry) {
6059                 return NT_STATUS_UNSUCCESSFUL;
6060         }
6061
6062         /* retrieve the dn for later use */
6063         dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6064         if (!dn) {
6065                 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6066                 return NT_STATUS_NO_MEMORY;
6067         }
6068
6069         /* remove the old one, and add the new one, this way we do not risk races */
6070         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6071
6072         if (mods == NULL) {
6073                 return NT_STATUS_OK;
6074         }
6075
6076         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6077
6078         if (rc != LDAP_SUCCESS) {
6079                 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6080                          pdb_get_username(sampass), gidstr));
6081                 return NT_STATUS_UNSUCCESSFUL;
6082         }
6083
6084         flush_pwnam_cache();
6085
6086         return NT_STATUS_OK;
6087 }
6088
6089
6090 /**********************************************************************
6091  trusted domains functions
6092  *********************************************************************/
6093
6094 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6095                            const char *domain)
6096 {
6097         return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6098                                ldap_state->domain_dn);
6099 }
6100
6101 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6102                                   TALLOC_CTX *mem_ctx,
6103                                   const char *domain, LDAPMessage **entry)
6104 {
6105         int rc;
6106         char *filter;
6107         int scope = LDAP_SCOPE_SUBTREE;
6108         const char **attrs = NULL; /* NULL: get all attrs */
6109         int attrsonly = 0; /* 0: return values too */
6110         LDAPMessage *result = NULL;
6111         char *trusted_dn;
6112         uint32_t num_result;
6113
6114         filter = talloc_asprintf(talloc_tos(),
6115                                  "(&(objectClass=%s)(sambaDomainName=%s))",
6116                                  LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6117
6118         trusted_dn = trusteddom_dn(ldap_state, domain);
6119         if (trusted_dn == NULL) {
6120                 return False;
6121         }
6122         rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6123                             filter, attrs, attrsonly, &result);
6124
6125         if (result != NULL) {
6126                 talloc_autofree_ldapmsg(mem_ctx, result);
6127         }
6128
6129         if (rc == LDAP_NO_SUCH_OBJECT) {
6130                 *entry = NULL;
6131                 return True;
6132         }
6133
6134         if (rc != LDAP_SUCCESS) {
6135                 return False;
6136         }
6137
6138         num_result = ldap_count_entries(priv2ld(ldap_state), result);
6139
6140         if (num_result > 1) {
6141                 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6142                           "%s object for domain '%s'?!\n",
6143                           LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6144                 return False;
6145         }
6146
6147         if (num_result == 0) {
6148                 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6149                           "%s object for domain %s.\n",
6150                           LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6151                 *entry = NULL;
6152         } else {
6153                 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6154         }
6155
6156         return True;
6157 }
6158
6159 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6160                                       const char *domain,
6161                                       char** pwd,
6162                                       struct dom_sid *sid,
6163                                       time_t *pass_last_set_time)
6164 {
6165         struct ldapsam_privates *ldap_state =
6166                 (struct ldapsam_privates *)methods->private_data;
6167         LDAPMessage *entry = NULL;
6168
6169         DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6170
6171         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6172             (entry == NULL))
6173         {
6174                 return False;
6175         }
6176
6177         /* password */
6178         if (pwd != NULL) {
6179                 char *pwd_str;
6180                 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6181                                 entry, "sambaClearTextPassword", talloc_tos());
6182                 if (pwd_str == NULL) {
6183                         return False;
6184                 }
6185                 /* trusteddom_pw routines do not use talloc yet... */
6186                 *pwd = SMB_STRDUP(pwd_str);
6187                 if (*pwd == NULL) {
6188                         return False;
6189                 }
6190         }
6191
6192         /* last change time */
6193         if (pass_last_set_time != NULL) {
6194                 char *time_str;
6195                 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6196                                 entry, "sambaPwdLastSet", talloc_tos());
6197                 if (time_str == NULL) {
6198                         return False;
6199                 }
6200                 *pass_last_set_time = (time_t)atol(time_str);
6201         }
6202
6203         /* domain sid */
6204         if (sid != NULL) {
6205                 char *sid_str;
6206                 struct dom_sid dom_sid;
6207                 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6208                                                           entry, "sambaSID",
6209                                                           talloc_tos());
6210                 if (sid_str == NULL) {
6211                         return False;
6212                 }
6213                 if (!string_to_sid(&dom_sid, sid_str)) {
6214                         return False;
6215                 }
6216                 sid_copy(sid, &dom_sid);
6217         }
6218
6219         return True;
6220 }
6221
6222 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6223                                       const char* domain,
6224                                       const char* pwd,
6225                                       const struct dom_sid *sid)
6226 {
6227         struct ldapsam_privates *ldap_state =
6228                 (struct ldapsam_privates *)methods->private_data;
6229         LDAPMessage *entry = NULL;
6230         LDAPMod **mods = NULL;
6231         char *prev_pwd = NULL;
6232         char *trusted_dn = NULL;
6233         int rc;
6234
6235         DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6236
6237         /*
6238          * get the current entry (if there is one) in order to put the
6239          * current password into the previous password attribute
6240          */
6241         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6242                 return False;
6243         }
6244
6245         mods = NULL;
6246         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6247                          LDAP_OBJ_TRUSTDOM_PASSWORD);
6248         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6249                          domain);
6250         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6251                          sid_string_tos(sid));
6252         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6253                          talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6254         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6255                          "sambaClearTextPassword", pwd);
6256
6257         if (entry != NULL) {
6258                 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6259                                 entry, "sambaClearTextPassword", talloc_tos());
6260                 if (prev_pwd != NULL) {
6261                         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6262                                          "sambaPreviousClearTextPassword",
6263                                          prev_pwd);
6264                 }
6265         }
6266
6267         talloc_autofree_ldapmod(talloc_tos(), mods);
6268
6269         trusted_dn = trusteddom_dn(ldap_state, domain);
6270         if (trusted_dn == NULL) {
6271                 return False;
6272         }
6273         if (entry == NULL) {
6274                 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6275         } else {
6276                 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6277         }
6278
6279         if (rc != LDAP_SUCCESS) {
6280                 DEBUG(1, ("error writing trusted domain password!\n"));
6281                 return False;
6282         }
6283
6284         return True;
6285 }
6286
6287 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6288                                       const char *domain)
6289 {
6290         int rc;
6291         struct ldapsam_privates *ldap_state =
6292                 (struct ldapsam_privates *)methods->private_data;
6293         LDAPMessage *entry = NULL;
6294         const char *trusted_dn;
6295
6296         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6297                 return False;
6298         }
6299
6300         if (entry == NULL) {
6301                 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6302                           "%s\n", domain));
6303                 return True;
6304         }
6305
6306         trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6307                                        entry);
6308         if (trusted_dn == NULL) {
6309                 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6310                 return False;
6311         }
6312
6313         rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6314         if (rc != LDAP_SUCCESS) {
6315                 return False;
6316         }
6317
6318         return True;
6319 }
6320
6321 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6322                                          TALLOC_CTX *mem_ctx,
6323                                          uint32_t *num_domains,
6324                                          struct trustdom_info ***domains)
6325 {
6326         int rc;
6327         struct ldapsam_privates *ldap_state =
6328                 (struct ldapsam_privates *)methods->private_data;
6329         char *filter;
6330         int scope = LDAP_SCOPE_SUBTREE;
6331         const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6332         int attrsonly = 0; /* 0: return values too */
6333         LDAPMessage *result = NULL;
6334         LDAPMessage *entry = NULL;
6335
6336         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6337                                  LDAP_OBJ_TRUSTDOM_PASSWORD);
6338
6339         rc = smbldap_search(ldap_state->smbldap_state,
6340                             ldap_state->domain_dn,
6341                             scope,
6342                             filter,
6343                             attrs,
6344                             attrsonly,
6345                             &result);
6346
6347         if (result != NULL) {
6348                 talloc_autofree_ldapmsg(mem_ctx, result);
6349         }
6350
6351         if (rc != LDAP_SUCCESS) {
6352                 return NT_STATUS_UNSUCCESSFUL;
6353         }
6354
6355         *num_domains = 0;
6356         if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6357                 DEBUG(1, ("talloc failed\n"));
6358                 return NT_STATUS_NO_MEMORY;
6359         }
6360
6361         for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6362              entry != NULL;
6363              entry = ldap_next_entry(priv2ld(ldap_state), entry))
6364         {
6365                 char *dom_name, *dom_sid_str;
6366                 struct trustdom_info *dom_info;
6367
6368                 dom_info = TALLOC_P(*domains, struct trustdom_info);
6369                 if (dom_info == NULL) {
6370                         DEBUG(1, ("talloc failed\n"));
6371                         return NT_STATUS_NO_MEMORY;
6372                 }
6373
6374                 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6375                                                            entry,
6376                                                            "sambaDomainName",
6377                                                            talloc_tos());
6378                 if (dom_name == NULL) {
6379                         DEBUG(1, ("talloc failed\n"));
6380                         return NT_STATUS_NO_MEMORY;
6381                 }
6382                 dom_info->name = dom_name;
6383
6384                 dom_sid_str = smbldap_talloc_single_attribute(
6385                                         priv2ld(ldap_state), entry, "sambaSID",
6386                                         talloc_tos());
6387                 if (dom_sid_str == NULL) {
6388                         DEBUG(1, ("talloc failed\n"));
6389                         return NT_STATUS_NO_MEMORY;
6390                 }
6391                 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6392                         DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6393                                   dom_sid_str));
6394                         return NT_STATUS_UNSUCCESSFUL;
6395                 }
6396
6397                 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6398                              domains, num_domains);
6399
6400                 if (*domains == NULL) {
6401                         DEBUG(1, ("talloc failed\n"));
6402                         return NT_STATUS_NO_MEMORY;
6403                 }
6404         }
6405
6406         DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6407         return NT_STATUS_OK;
6408 }
6409
6410
6411 /**********************************************************************
6412  Housekeeping
6413  *********************************************************************/
6414
6415 static void free_private_data(void **vp)
6416 {
6417         struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6418
6419         smbldap_free_struct(&(*ldap_state)->smbldap_state);
6420
6421         if ((*ldap_state)->result != NULL) {
6422                 ldap_msgfree((*ldap_state)->result);
6423                 (*ldap_state)->result = NULL;
6424         }
6425         if ((*ldap_state)->domain_dn != NULL) {
6426                 SAFE_FREE((*ldap_state)->domain_dn);
6427         }
6428
6429         *ldap_state = NULL;
6430
6431         /* No need to free any further, as it is talloc()ed */
6432 }
6433
6434 /*********************************************************************
6435  Intitalise the parts of the pdb_methods structure that are common to
6436  all pdb_ldap modes
6437 *********************************************************************/
6438
6439 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6440 {
6441         NTSTATUS nt_status;
6442         struct ldapsam_privates *ldap_state;
6443
6444         if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6445                 return nt_status;
6446         }
6447
6448         (*pdb_method)->name = "ldapsam";
6449
6450         (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6451         (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6452         (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6453         (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6454         (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6455         (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6456
6457         (*pdb_method)->getgrsid = ldapsam_getgrsid;
6458         (*pdb_method)->getgrgid = ldapsam_getgrgid;
6459         (*pdb_method)->getgrnam = ldapsam_getgrnam;
6460         (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6461         (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6462         (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6463         (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6464
6465         (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6466         (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6467
6468         (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6469
6470         (*pdb_method)->capabilities = ldapsam_capabilities;
6471         (*pdb_method)->new_rid = ldapsam_new_rid;
6472
6473         (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6474         (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6475         (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6476         (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6477
6478         /* TODO: Setup private data and free */
6479
6480         if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6481                 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6482                 return NT_STATUS_NO_MEMORY;
6483         }
6484
6485         nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6486                                  location, &ldap_state->smbldap_state);
6487
6488         if ( !NT_STATUS_IS_OK(nt_status) ) {
6489                 return nt_status;
6490         }
6491
6492         if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6493                 return NT_STATUS_NO_MEMORY;
6494         }
6495
6496         (*pdb_method)->private_data = ldap_state;
6497
6498         (*pdb_method)->free_private_data = free_private_data;
6499
6500         return NT_STATUS_OK;
6501 }
6502
6503 /**********************************************************************
6504  Initialise the 'compat' mode for pdb_ldap
6505  *********************************************************************/
6506
6507 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6508 {
6509         NTSTATUS nt_status;
6510         struct ldapsam_privates *ldap_state;
6511         char *uri = talloc_strdup( NULL, location );
6512
6513         trim_char( uri, '\"', '\"' );
6514         nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6515         if ( uri )
6516                 TALLOC_FREE( uri );
6517
6518         if ( !NT_STATUS_IS_OK(nt_status) ) {
6519                 return nt_status;
6520         }
6521
6522         (*pdb_method)->name = "ldapsam_compat";
6523
6524         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6525         ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6526
6527         sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6528
6529         return NT_STATUS_OK;
6530 }
6531
6532 /**********************************************************************
6533  Initialise the normal mode for pdb_ldap
6534  *********************************************************************/
6535
6536 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6537 {
6538         NTSTATUS nt_status;
6539         struct ldapsam_privates *ldap_state = NULL;
6540         uint32_t alg_rid_base;
6541         char *alg_rid_base_string = NULL;
6542         LDAPMessage *result = NULL;
6543         LDAPMessage *entry = NULL;
6544         struct dom_sid ldap_domain_sid;
6545         struct dom_sid secrets_domain_sid;
6546         char *domain_sid_string = NULL;
6547         char *dn = NULL;
6548         char *uri = talloc_strdup( NULL, location );
6549
6550         trim_char( uri, '\"', '\"' );
6551         nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6552
6553         TALLOC_FREE(uri);
6554
6555         if (!NT_STATUS_IS_OK(nt_status)) {
6556                 return nt_status;
6557         }
6558
6559         (*pdb_method)->name = "ldapsam";
6560
6561         (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6562         (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6563         (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6564         (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6565         (*pdb_method)->search_users = ldapsam_search_users;
6566         (*pdb_method)->search_groups = ldapsam_search_groups;
6567         (*pdb_method)->search_aliases = ldapsam_search_aliases;
6568
6569         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6570                 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6571                 (*pdb_method)->enum_group_memberships =
6572                         ldapsam_enum_group_memberships;
6573                 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6574                 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6575                 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6576                 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6577
6578                 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6579                         (*pdb_method)->create_user = ldapsam_create_user;
6580                         (*pdb_method)->delete_user = ldapsam_delete_user;
6581                         (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6582                         (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6583                         (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6584                         (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6585                         (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6586                 }
6587         }
6588
6589         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6590         ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6591
6592         /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6593
6594         nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6595                                                &result,
6596                                                ldap_state->domain_name, True);
6597
6598         if ( !NT_STATUS_IS_OK(nt_status) ) {
6599                 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6600                           "info, nor add one to the domain\n"));
6601                 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6602                              "will be unable to allocate new users/groups, "
6603                              "and will risk BDCs having inconsistent SIDs\n"));
6604                 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6605                 return NT_STATUS_OK;
6606         }
6607
6608         /* Given that the above might fail, everything below this must be
6609          * optional */
6610
6611         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6612                                  result);
6613         if (!entry) {
6614                 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6615                           "entry\n"));
6616                 ldap_msgfree(result);
6617                 return NT_STATUS_UNSUCCESSFUL;
6618         }
6619
6620         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6621         if (!dn) {
6622                 ldap_msgfree(result);
6623                 return NT_STATUS_UNSUCCESSFUL;
6624         }
6625
6626         ldap_state->domain_dn = smb_xstrdup(dn);
6627         TALLOC_FREE(dn);
6628
6629         domain_sid_string = smbldap_talloc_single_attribute(
6630                     ldap_state->smbldap_state->ldap_struct,
6631                     entry,
6632                     get_userattr_key2string(ldap_state->schema_ver,
6633                                             LDAP_ATTR_USER_SID),
6634                     talloc_tos());
6635
6636         if (domain_sid_string) {
6637                 bool found_sid;
6638                 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6639                         DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6640                                   "read as a valid SID\n", domain_sid_string));
6641                         ldap_msgfree(result);
6642                         TALLOC_FREE(domain_sid_string);
6643                         return NT_STATUS_INVALID_PARAMETER;
6644                 }
6645                 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6646                                                      &secrets_domain_sid);
6647                 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6648                                              &ldap_domain_sid)) {
6649                         DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6650                                   "%s based on pdb_ldap results %s -> %s\n",
6651                                   ldap_state->domain_name,
6652                                   sid_string_dbg(&secrets_domain_sid),
6653                                   sid_string_dbg(&ldap_domain_sid)));
6654
6655                         /* reset secrets.tdb sid */
6656                         secrets_store_domain_sid(ldap_state->domain_name,
6657                                                  &ldap_domain_sid);
6658                         DEBUG(1, ("New global sam SID: %s\n",
6659                                   sid_string_dbg(get_global_sam_sid())));
6660                 }
6661                 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6662                 TALLOC_FREE(domain_sid_string);
6663         }
6664
6665         alg_rid_base_string = smbldap_talloc_single_attribute(
6666                     ldap_state->smbldap_state->ldap_struct,
6667                     entry,
6668                     get_attr_key2string( dominfo_attr_list,
6669                                          LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6670                     talloc_tos());
6671         if (alg_rid_base_string) {
6672                 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6673                 if (alg_rid_base != algorithmic_rid_base()) {
6674                         DEBUG(0, ("The value of 'algorithmic RID base' has "
6675                                   "changed since the LDAP\n"
6676                                   "database was initialised.  Aborting. \n"));
6677                         ldap_msgfree(result);
6678                         TALLOC_FREE(alg_rid_base_string);
6679                         return NT_STATUS_UNSUCCESSFUL;
6680                 }
6681                 TALLOC_FREE(alg_rid_base_string);
6682         }
6683         ldap_msgfree(result);
6684
6685         return NT_STATUS_OK;
6686 }
6687
6688 NTSTATUS pdb_ldap_init(void)
6689 {
6690         NTSTATUS nt_status;
6691         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6692                 return nt_status;
6693
6694         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6695                 return nt_status;
6696
6697         /* Let pdb_nds register backends */
6698         pdb_nds_init();
6699
6700         pdb_ipa_init();
6701
6702         return NT_STATUS_OK;
6703 }