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
  49 #undef DBGC_CLASS
  50 #define DBGC_CLASS DBGC_PASSDB
  51
  52 #include <lber.h>
  53 #include <ldap.h>
  54
  55 /*
  56  * Work around versions of the LDAP client libs that don't have the OIDs
  57  * defined, or have them defined under the old name.
  58  * This functionality is really a factor of the server, not the client
  59  *
  60  */
  61
  62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
  63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
  64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
  65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
  66 #endif
  67
  68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
  69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
  70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
  71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID        ((ber_tag_t) 0x80U)
  72 #endif
  73
  74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
  75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
  76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
  77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW       ((ber_tag_t) 0x82U)
  78 #endif
  79
  80
  81 #include "smbldap.h"
  82
  83 /**********************************************************************
  84  Simple helper function to make stuff better readable
  85  **********************************************************************/
  86
  87 static LDAP *priv2ld(struct ldapsam_privates *priv)
  88 {
  89         return priv->smbldap_state->ldap_struct;
  90 }
  91
  92 /**********************************************************************
  93  Get the attribute name given a user schame version.
  94  **********************************************************************/
  95
  96 static const char* get_userattr_key2string( int schema_ver, int key )
  97 {
  98         switch ( schema_ver ) {
  99                 case SCHEMAVER_SAMBAACCOUNT:
 100                         return get_attr_key2string( attrib_map_v22, key );
 101
 102                 case SCHEMAVER_SAMBASAMACCOUNT:
 103                         return get_attr_key2string( attrib_map_v30, key );
 104
 105                 default:
 106                         DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
 107                         break;
 108         }
 109         return NULL;
 110 }
 111
 112 /**********************************************************************
 113  Return the list of attribute names given a user schema version.
 114 **********************************************************************/
 115
 116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
 117 {
 118         switch ( schema_ver ) {
 119                 case SCHEMAVER_SAMBAACCOUNT:
 120                         return get_attr_list( mem_ctx, attrib_map_v22 );
 121
 122                 case SCHEMAVER_SAMBASAMACCOUNT:
 123                         return get_attr_list( mem_ctx, attrib_map_v30 );
 124                 default:
 125                         DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
 126                         break;
 127         }
 128
 129         return NULL;
 130 }
 131
 132 /**************************************************************************
 133  Return the list of attribute names to delete given a user schema version.
 134 **************************************************************************/
 135
 136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
 137                                               int schema_ver )
 138 {
 139         switch ( schema_ver ) {
 140                 case SCHEMAVER_SAMBAACCOUNT:
 141                         return get_attr_list( mem_ctx,
 142                                               attrib_map_to_delete_v22 );
 143
 144                 case SCHEMAVER_SAMBASAMACCOUNT:
 145                         return get_attr_list( mem_ctx,
 146                                               attrib_map_to_delete_v30 );
 147                 default:
 148                         DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
 149                         break;
 150         }
 151
 152         return NULL;
 153 }
 154
 155
 156 /*******************************************************************
 157  Generate the LDAP search filter for the objectclass based on the
 158  version of the schema we are using.
 159 ******************************************************************/
 160
 161 static const char* get_objclass_filter( int schema_ver )
 162 {
 163         fstring objclass_filter;
 164         char *result;
 165
 166         switch( schema_ver ) {
 167                 case SCHEMAVER_SAMBAACCOUNT:
 168                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
 169                         break;
 170                 case SCHEMAVER_SAMBASAMACCOUNT:
 171                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
 172                         break;
 173                 default:
 174                         DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
 175                         objclass_filter[0] = '\0';
 176                         break;
 177         }
 178
 179         result = talloc_strdup(talloc_tos(), objclass_filter);
 180         SMB_ASSERT(result != NULL);
 181         return result;
 182 }
 183
 184 /*****************************************************************
 185  Scan a sequence number off OpenLDAP's syncrepl contextCSN
 186 ******************************************************************/
 187
 188 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
 189 {
 190         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
 191         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
 192         LDAPMessage *msg = NULL;
 193         LDAPMessage *entry = NULL;
 194         TALLOC_CTX *mem_ctx;
 195         char **values = NULL;
 196         int rc, num_result, num_values, rid;
 197         char *suffix = NULL;
 198         char *tok;
 199         const char *p;
 200         const char **attrs;
 201
 202         /* Unfortunatly there is no proper way to detect syncrepl-support in
 203          * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
 204          * but do not show up in the root-DSE yet. Neither we can query the
 205          * subschema-context for the syncProviderSubentry or syncConsumerSubentry
 206          * objectclass. Currently we require lp_ldap_suffix() to show up as
 207          * namingContext.  -  Guenther
 208          */
 209
 210         if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
 211                 return ntstatus;
 212         }
 213
 214         if (!seq_num) {
 215                 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
 216                 return ntstatus;
 217         }
 218
 219         if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
 220                 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
 221                          "as top-level namingContext\n", lp_ldap_suffix()));
 222                 return ntstatus;
 223         }
 224
 225         mem_ctx = talloc_init("ldapsam_get_seq_num");
 226
 227         if (mem_ctx == NULL)
 228                 return NT_STATUS_NO_MEMORY;
 229
 230         if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
 231                 ntstatus = NT_STATUS_NO_MEMORY;
 232                 goto done;
 233         }
 234
 235         /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
 236         rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
 237         if (rid > 0) {
 238
 239                 /* consumer syncreplCookie: */
 240                 /* csn=20050126161620Z#0000001#00#00000 */
 241                 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
 242                 attrs[1] = NULL;
 243                 suffix = talloc_asprintf(mem_ctx,
 244                                 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
 245                 if (!suffix) {
 246                         ntstatus = NT_STATUS_NO_MEMORY;
 247                         goto done;
 248                 }
 249         } else {
 250
 251                 /* provider contextCSN */
 252                 /* 20050126161620Z#000009#00#000000 */
 253                 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
 254                 attrs[1] = NULL;
 255                 suffix = talloc_asprintf(mem_ctx,
 256                                 "cn=ldapsync,%s", lp_ldap_suffix());
 257
 258                 if (!suffix) {
 259                         ntstatus = NT_STATUS_NO_MEMORY;
 260                         goto done;
 261                 }
 262         }
 263
 264         rc = smbldap_search(ldap_state->smbldap_state, suffix,
 265                             LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
 266
 267         if (rc != LDAP_SUCCESS) {
 268                 goto done;
 269         }
 270
 271         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
 272         if (num_result != 1) {
 273                 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
 274                 goto done;
 275         }
 276
 277         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
 278         if (entry == NULL) {
 279                 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
 280                 goto done;
 281         }
 282
 283         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
 284         if (values == NULL) {
 285                 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
 286                 goto done;
 287         }
 288
 289         num_values = ldap_count_values(values);
 290         if (num_values == 0) {
 291                 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
 292                 goto done;
 293         }
 294
 295         p = values[0];
 296         if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
 297                 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
 298                 goto done;
 299         }
 300
 301         p = tok;
 302         if (!strncmp(p, "csn=", strlen("csn=")))
 303                 p += strlen("csn=");
 304
 305         DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
 306
 307         *seq_num = generalized_to_unix_time(p);
 308
 309         /* very basic sanity check */
 310         if (*seq_num <= 0) {
 311                 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
 312                         (int)*seq_num));
 313                 goto done;
 314         }
 315
 316         ntstatus = NT_STATUS_OK;
 317
 318  done:
 319         if (values != NULL)
 320                 ldap_value_free(values);
 321         if (msg != NULL)
 322                 ldap_msgfree(msg);
 323         if (mem_ctx)
 324                 talloc_destroy(mem_ctx);
 325
 326         return ntstatus;
 327 }
 328
 329 /*******************************************************************
 330  Run the search by name.
 331 ******************************************************************/
 332
 333 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
 334                                           const char *user,
 335                                           LDAPMessage ** result,
 336                                           const char **attr)
 337 {
 338         char *filter = NULL;
 339         char *escape_user = escape_ldap_string(talloc_tos(), user);
 340         int ret = -1;
 341
 342         if (!escape_user) {
 343                 return LDAP_NO_MEMORY;
 344         }
 345
 346         /*
 347          * in the filter expression, replace %u with the real name
 348          * so in ldap filter, %u MUST exist :-)
 349          */
 350         filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
 351                 get_objclass_filter(ldap_state->schema_ver));
 352         if (!filter) {
 353                 TALLOC_FREE(escape_user);
 354                 return LDAP_NO_MEMORY;
 355         }
 356         /*
 357          * have to use this here because $ is filtered out
 358          * in string_sub
 359          */
 360
 361         filter = talloc_all_string_sub(talloc_tos(),
 362                                 filter, "%u", escape_user);
 363         TALLOC_FREE(escape_user);
 364         if (!filter) {
 365                 return LDAP_NO_MEMORY;
 366         }
 367
 368         ret = smbldap_search_suffix(ldap_state->smbldap_state,
 369                         filter, attr, result);
 370         TALLOC_FREE(filter);
 371         return ret;
 372 }
 373
 374 /*******************************************************************
 375  Run the search by rid.
 376 ******************************************************************/
 377
 378 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
 379                                          uint32 rid, LDAPMessage ** result,
 380                                          const char **attr)
 381 {
 382         char *filter = NULL;
 383         int rc;
 384
 385         filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
 386                 get_objclass_filter(ldap_state->schema_ver));
 387         if (!filter) {
 388                 return LDAP_NO_MEMORY;
 389         }
 390
 391         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 392                         filter, attr, result);
 393         TALLOC_FREE(filter);
 394         return rc;
 395 }
 396
 397 /*******************************************************************
 398  Run the search by SID.
 399 ******************************************************************/
 400
 401 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
 402                                  const DOM_SID *sid, LDAPMessage ** result,
 403                                  const char **attr)
 404 {
 405         char *filter = NULL;
 406         int rc;
 407         fstring sid_string;
 408
 409         filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
 410                 get_userattr_key2string(ldap_state->schema_ver,
 411                         LDAP_ATTR_USER_SID),
 412                 sid_to_fstring(sid_string, sid),
 413                 get_objclass_filter(ldap_state->schema_ver));
 414         if (!filter) {
 415                 return LDAP_NO_MEMORY;
 416         }
 417
 418         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 419                         filter, attr, result);
 420
 421         TALLOC_FREE(filter);
 422         return rc;
 423 }
 424
 425 /*******************************************************************
 426  Delete complete object or objectclass and attrs from
 427  object found in search_result depending on lp_ldap_delete_dn
 428 ******************************************************************/
 429
 430 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
 431                                 TALLOC_CTX *mem_ctx,
 432                                 LDAPMessage *entry,
 433                                 const char *objectclass,
 434                                 const char **attrs)
 435 {
 436         LDAPMod **mods = NULL;
 437         char *name;
 438         const char *dn;
 439         BerElement *ptr = NULL;
 440
 441         dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
 442         if (dn == NULL) {
 443                 return LDAP_NO_MEMORY;
 444         }
 445
 446         if (lp_ldap_delete_dn()) {
 447                 return smbldap_delete(priv->smbldap_state, dn);
 448         }
 449
 450         /* Ok, delete only the SAM attributes */
 451
 452         for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
 453              name != NULL;
 454              name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
 455                 const char **attrib;
 456
 457                 /* We are only allowed to delete the attributes that
 458                    really exist. */
 459
 460                 for (attrib = attrs; *attrib != NULL; attrib++) {
 461                         if (strequal(*attrib, name)) {
 462                                 DEBUG(10, ("ldapsam_delete_entry: deleting "
 463                                            "attribute %s\n", name));
 464                                 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
 465                                                 NULL);
 466                         }
 467                 }
 468                 ldap_memfree(name);
 469         }
 470
 471         if (ptr != NULL) {
 472                 ber_free(ptr, 0);
 473         }
 474
 475         smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
 476         talloc_autofree_ldapmod(mem_ctx, mods);
 477
 478         return smbldap_modify(priv->smbldap_state, dn, mods);
 479 }
 480
 481 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
 482 {
 483         char *temp;
 484         struct tm tm;
 485
 486         temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
 487                         get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
 488                         talloc_tos());
 489         if (!temp) {
 490                 return (time_t) 0;
 491         }
 492
 493         if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
 494                 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
 495                         (char*)temp));
 496                 TALLOC_FREE(temp);
 497                 return (time_t) 0;
 498         }
 499         TALLOC_FREE(temp);
 500         tzset();
 501         return timegm(&tm);
 502 }
 503
 504 /**********************************************************************
 505  Initialize struct samu from an LDAP query.
 506  (Based on init_sam_from_buffer in pdb_tdb.c)
 507 *********************************************************************/
 508
 509 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
 510                                 struct samu * sampass,
 511                                 LDAPMessage * entry)
 512 {
 513         time_t  logon_time,
 514                         logoff_time,
 515                         kickoff_time,
 516                         pass_last_set_time,
 517                         pass_can_change_time,
 518                         pass_must_change_time,
 519                         ldap_entry_time,
 520                         bad_password_time;
 521         char *username = NULL,
 522                         *domain = NULL,
 523                         *nt_username = NULL,
 524                         *fullname = NULL,
 525                         *homedir = NULL,
 526                         *dir_drive = NULL,
 527                         *logon_script = NULL,
 528                         *profile_path = NULL,
 529                         *acct_desc = NULL,
 530                         *workstations = NULL,
 531                         *munged_dial = NULL;
 532         uint32          user_rid;
 533         uint8           smblmpwd[LM_HASH_LEN],
 534                         smbntpwd[NT_HASH_LEN];
 535         bool            use_samba_attrs = True;
 536         uint32          acct_ctrl = 0;
 537         uint16          logon_divs;
 538         uint16          bad_password_count = 0,
 539                         logon_count = 0;
 540         uint32 hours_len;
 541         uint8           hours[MAX_HOURS_LEN];
 542         char *temp = NULL;
 543         LOGIN_CACHE     *cache_entry = NULL;
 544         uint32          pwHistLen;
 545         bool expand_explicit = lp_passdb_expand_explicit();
 546         bool ret = false;
 547         TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
 548
 549         if (!ctx) {
 550                 return false;
 551         }
 552         if (sampass == NULL || ldap_state == NULL || entry == NULL) {
 553                 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
 554                 goto fn_exit;
 555         }
 556
 557         if (priv2ld(ldap_state) == NULL) {
 558                 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
 559                           "ldap_struct is NULL!\n"));
 560                 goto fn_exit;
 561         }
 562
 563         if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
 564                                         entry,
 565                                         "uid",
 566                                         ctx))) {
 567                 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
 568                           "this user!\n"));
 569                 goto fn_exit;
 570         }
 571
 572         DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
 573
 574         nt_username = talloc_strdup(ctx, username);
 575         if (!nt_username) {
 576                 goto fn_exit;
 577         }
 578
 579         domain = talloc_strdup(ctx, ldap_state->domain_name);
 580         if (!domain) {
 581                 goto fn_exit;
 582         }
 583
 584         pdb_set_username(sampass, username, PDB_SET);
 585
 586         pdb_set_domain(sampass, domain, PDB_DEFAULT);
 587         pdb_set_nt_username(sampass, nt_username, PDB_SET);
 588
 589         /* deal with different attributes between the schema first */
 590
 591         if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
 592                 if ((temp = smbldap_talloc_single_attribute(
 593                                 ldap_state->smbldap_state->ldap_struct,
 594                                 entry,
 595                                 get_userattr_key2string(ldap_state->schema_ver,
 596                                         LDAP_ATTR_USER_SID),
 597                                 ctx))!=NULL) {
 598                         pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
 599                 }
 600         } else {
 601                 if ((temp = smbldap_talloc_single_attribute(
 602                                 ldap_state->smbldap_state->ldap_struct,
 603                                 entry,
 604                                 get_userattr_key2string(ldap_state->schema_ver,
 605                                         LDAP_ATTR_USER_RID),
 606                                 ctx))!=NULL) {
 607                         user_rid = (uint32)atol(temp);
 608                         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
 609                 }
 610         }
 611
 612         if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
 613                 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
 614                         get_userattr_key2string(ldap_state->schema_ver,
 615                                 LDAP_ATTR_USER_SID),
 616                         get_userattr_key2string(ldap_state->schema_ver,
 617                                 LDAP_ATTR_USER_RID),
 618                         username));
 619                 return False;
 620         }
 621
 622         temp = smbldap_talloc_single_attribute(
 623                         ldap_state->smbldap_state->ldap_struct,
 624                         entry,
 625                         get_userattr_key2string(ldap_state->schema_ver,
 626                                 LDAP_ATTR_PWD_LAST_SET),
 627                         ctx);
 628         if (temp) {
 629                 pass_last_set_time = (time_t) atol(temp);
 630                 pdb_set_pass_last_set_time(sampass,
 631                                 pass_last_set_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_LOGON_TIME),
 639                         ctx);
 640         if (temp) {
 641                 logon_time = (time_t) atol(temp);
 642                 pdb_set_logon_time(sampass, logon_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_LOGOFF_TIME),
 650                         ctx);
 651         if (temp) {
 652                 logoff_time = (time_t) atol(temp);
 653                 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
 654         }
 655
 656         temp = smbldap_talloc_single_attribute(
 657                         ldap_state->smbldap_state->ldap_struct,
 658                         entry,
 659                         get_userattr_key2string(ldap_state->schema_ver,
 660                                 LDAP_ATTR_KICKOFF_TIME),
 661                         ctx);
 662         if (temp) {
 663                 kickoff_time = (time_t) atol(temp);
 664                 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
 665         }
 666
 667         temp = smbldap_talloc_single_attribute(
 668                         ldap_state->smbldap_state->ldap_struct,
 669                         entry,
 670                         get_userattr_key2string(ldap_state->schema_ver,
 671                                 LDAP_ATTR_PWD_CAN_CHANGE),
 672                         ctx);
 673         if (temp) {
 674                 pass_can_change_time = (time_t) atol(temp);
 675                 pdb_set_pass_can_change_time(sampass,
 676                                 pass_can_change_time, PDB_SET);
 677         }
 678
 679         temp = smbldap_talloc_single_attribute(
 680                         ldap_state->smbldap_state->ldap_struct,
 681                         entry,
 682                         get_userattr_key2string(ldap_state->schema_ver,
 683                                 LDAP_ATTR_PWD_MUST_CHANGE),
 684                         ctx);
 685         if (temp) {
 686                 pass_must_change_time = (time_t) atol(temp);
 687                 pdb_set_pass_must_change_time(sampass,
 688                                 pass_must_change_time, PDB_SET);
 689         }
 690
 691         /* recommend that 'gecos' and 'displayName' should refer to the same
 692          * attribute OID.  userFullName depreciated, only used by Samba
 693          * primary rules of LDAP: don't make a new attribute when one is already defined
 694          * that fits your needs; using cn then displayName rather than 'userFullName'
 695          */
 696
 697         fullname = smbldap_talloc_single_attribute(
 698                         ldap_state->smbldap_state->ldap_struct,
 699                         entry,
 700                         get_userattr_key2string(ldap_state->schema_ver,
 701                                 LDAP_ATTR_DISPLAY_NAME),
 702                         ctx);
 703         if (fullname) {
 704                 pdb_set_fullname(sampass, fullname, PDB_SET);
 705         } else {
 706                 fullname = smbldap_talloc_single_attribute(
 707                                 ldap_state->smbldap_state->ldap_struct,
 708                                 entry,
 709                                 get_userattr_key2string(ldap_state->schema_ver,
 710                                         LDAP_ATTR_CN),
 711                                 ctx);
 712                 if (fullname) {
 713                         pdb_set_fullname(sampass, fullname, PDB_SET);
 714                 }
 715         }
 716
 717         dir_drive = smbldap_talloc_single_attribute(
 718                         ldap_state->smbldap_state->ldap_struct,
 719                         entry,
 720                         get_userattr_key2string(ldap_state->schema_ver,
 721                                 LDAP_ATTR_HOME_DRIVE),
 722                         ctx);
 723         if (dir_drive) {
 724                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
 725         } else {
 726                 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
 727         }
 728
 729         homedir = smbldap_talloc_single_attribute(
 730                         ldap_state->smbldap_state->ldap_struct,
 731                         entry,
 732                         get_userattr_key2string(ldap_state->schema_ver,
 733                                 LDAP_ATTR_HOME_PATH),
 734                         ctx);
 735         if (homedir) {
 736                 if (expand_explicit) {
 737                         homedir = talloc_sub_basic(ctx,
 738                                                 username,
 739                                                 domain,
 740                                                 homedir);
 741                         if (!homedir) {
 742                                 goto fn_exit;
 743                         }
 744                 }
 745                 pdb_set_homedir(sampass, homedir, PDB_SET);
 746         } else {
 747                 pdb_set_homedir(sampass,
 748                         talloc_sub_basic(ctx, username, domain,
 749                                          lp_logon_home()),
 750                         PDB_DEFAULT);
 751         }
 752
 753         logon_script = smbldap_talloc_single_attribute(
 754                         ldap_state->smbldap_state->ldap_struct,
 755                         entry,
 756                         get_userattr_key2string(ldap_state->schema_ver,
 757                                 LDAP_ATTR_LOGON_SCRIPT),
 758                         ctx);
 759         if (logon_script) {
 760                 if (expand_explicit) {
 761                         logon_script = talloc_sub_basic(ctx,
 762                                                 username,
 763                                                 domain,
 764                                                 logon_script);
 765                         if (!logon_script) {
 766                                 goto fn_exit;
 767                         }
 768                 }
 769                 pdb_set_logon_script(sampass, logon_script, PDB_SET);
 770         } else {
 771                 pdb_set_logon_script(sampass,
 772                         talloc_sub_basic(ctx, username, domain,
 773                                          lp_logon_script()),
 774                         PDB_DEFAULT );
 775         }
 776
 777         profile_path = smbldap_talloc_single_attribute(
 778                         ldap_state->smbldap_state->ldap_struct,
 779                         entry,
 780                         get_userattr_key2string(ldap_state->schema_ver,
 781                                 LDAP_ATTR_PROFILE_PATH),
 782                         ctx);
 783         if (profile_path) {
 784                 if (expand_explicit) {
 785                         profile_path = talloc_sub_basic(ctx,
 786                                                 username,
 787                                                 domain,
 788                                                 profile_path);
 789                         if (!profile_path) {
 790                                 goto fn_exit;
 791                         }
 792                 }
 793                 pdb_set_profile_path(sampass, profile_path, PDB_SET);
 794         } else {
 795                 pdb_set_profile_path(sampass,
 796                         talloc_sub_basic(ctx, username, domain,
 797                                           lp_logon_path()),
 798                         PDB_DEFAULT );
 799         }
 800
 801         acct_desc = smbldap_talloc_single_attribute(
 802                         ldap_state->smbldap_state->ldap_struct,
 803                         entry,
 804                         get_userattr_key2string(ldap_state->schema_ver,
 805                                 LDAP_ATTR_DESC),
 806                         ctx);
 807         if (acct_desc) {
 808                 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
 809         }
 810
 811         workstations = smbldap_talloc_single_attribute(
 812                         ldap_state->smbldap_state->ldap_struct,
 813                         entry,
 814                         get_userattr_key2string(ldap_state->schema_ver,
 815                                 LDAP_ATTR_USER_WKS),
 816                         ctx);
 817         if (workstations) {
 818                 pdb_set_workstations(sampass, workstations, PDB_SET);
 819         }
 820
 821         munged_dial = smbldap_talloc_single_attribute(
 822                         ldap_state->smbldap_state->ldap_struct,
 823                         entry,
 824                         get_userattr_key2string(ldap_state->schema_ver,
 825                                 LDAP_ATTR_MUNGED_DIAL),
 826                         ctx);
 827         if (munged_dial) {
 828                 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
 829         }
 830
 831         /* FIXME: hours stuff should be cleaner */
 832
 833         logon_divs = 168;
 834         hours_len = 21;
 835         memset(hours, 0xff, hours_len);
 836
 837         if (ldap_state->is_nds_ldap) {
 838                 char *user_dn;
 839                 size_t pwd_len;
 840                 char clear_text_pw[512];
 841
 842                 /* Make call to Novell eDirectory ldap extension to get clear text password.
 843                         NOTE: This will only work if we have an SSL connection to eDirectory. */
 844                 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
 845                 if (user_dn != NULL) {
 846                         DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
 847
 848                         pwd_len = sizeof(clear_text_pw);
 849                         if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
 850                                 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
 851                                 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 852                                         TALLOC_FREE(user_dn);
 853                                         return False;
 854                                 }
 855                                 ZERO_STRUCT(smblmpwd);
 856                                 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 857                                         TALLOC_FREE(user_dn);
 858                                         return False;
 859                                 }
 860                                 ZERO_STRUCT(smbntpwd);
 861                                 use_samba_attrs = False;
 862                         }
 863
 864                         TALLOC_FREE(user_dn);
 865
 866                 } else {
 867                         DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
 868                 }
 869         }
 870
 871         if (use_samba_attrs) {
 872                 temp = smbldap_talloc_single_attribute(
 873                                 ldap_state->smbldap_state->ldap_struct,
 874                                 entry,
 875                                 get_userattr_key2string(ldap_state->schema_ver,
 876                                         LDAP_ATTR_LMPW),
 877                                 ctx);
 878                 if (temp) {
 879                         pdb_gethexpwd(temp, smblmpwd);
 880                         memset((char *)temp, '\0', strlen(temp)+1);
 881                         if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 882                                 goto fn_exit;
 883                         }
 884                         ZERO_STRUCT(smblmpwd);
 885                 }
 886
 887                 temp = smbldap_talloc_single_attribute(
 888                                 ldap_state->smbldap_state->ldap_struct,
 889                                 entry,
 890                                 get_userattr_key2string(ldap_state->schema_ver,
 891                                         LDAP_ATTR_NTPW),
 892                                 ctx);
 893                 if (temp) {
 894                         pdb_gethexpwd(temp, smbntpwd);
 895                         memset((char *)temp, '\0', strlen(temp)+1);
 896                         if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 897                                 goto fn_exit;
 898                         }
 899                         ZERO_STRUCT(smbntpwd);
 900                 }
 901         }
 902
 903         pwHistLen = 0;
 904
 905         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
 906         if (pwHistLen > 0){
 907                 uint8 *pwhist = NULL;
 908                 int i;
 909                 char *history_string = TALLOC_ARRAY(ctx, char,
 910                                                 MAX_PW_HISTORY_LEN*64);
 911
 912                 if (!history_string) {
 913                         goto fn_exit;
 914                 }
 915
 916                 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
 917
 918                 pwhist = TALLOC_ARRAY(ctx, uint8,
 919                                       pwHistLen * PW_HISTORY_ENTRY_LEN);
 920                 if (pwhist == NULL) {
 921                         DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
 922                         goto fn_exit;
 923                 }
 924                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 925
 926                 if (smbldap_get_single_attribute(
 927                                 ldap_state->smbldap_state->ldap_struct,
 928                                 entry,
 929                                 get_userattr_key2string(ldap_state->schema_ver,
 930                                         LDAP_ATTR_PWD_HISTORY),
 931                                 history_string,
 932                                 MAX_PW_HISTORY_LEN*64)) {
 933                         bool hex_failed = false;
 934                         for (i = 0; i < pwHistLen; i++){
 935                                 /* Get the 16 byte salt. */
 936                                 if (!pdb_gethexpwd(&history_string[i*64],
 937                                         &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
 938                                         hex_failed = true;
 939                                         break;
 940                                 }
 941                                 /* Get the 16 byte MD5 hash of salt+passwd. */
 942                                 if (!pdb_gethexpwd(&history_string[(i*64)+32],
 943                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
 944                                                 PW_HISTORY_SALT_LEN])) {
 945                                         hex_failed = True;
 946                                         break;
 947                                 }
 948                         }
 949                         if (hex_failed) {
 950                                 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
 951                                         username));
 952                                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 953                         }
 954                 }
 955                 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
 956                         goto fn_exit;
 957                 }
 958         }
 959
 960         temp = smbldap_talloc_single_attribute(
 961                         ldap_state->smbldap_state->ldap_struct,
 962                         entry,
 963                         get_userattr_key2string(ldap_state->schema_ver,
 964                                 LDAP_ATTR_ACB_INFO),
 965                         ctx);
 966         if (temp) {
 967                 acct_ctrl = pdb_decode_acct_ctrl(temp);
 968
 969                 if (acct_ctrl == 0) {
 970                         acct_ctrl |= ACB_NORMAL;
 971                 }
 972
 973                 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
 974         } else {
 975                 acct_ctrl |= ACB_NORMAL;
 976         }
 977
 978         pdb_set_hours_len(sampass, hours_len, PDB_SET);
 979         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
 980
 981         temp = smbldap_talloc_single_attribute(
 982                         ldap_state->smbldap_state->ldap_struct,
 983                         entry,
 984                         get_userattr_key2string(ldap_state->schema_ver,
 985                                 LDAP_ATTR_BAD_PASSWORD_COUNT),
 986                         ctx);
 987         if (temp) {
 988                 bad_password_count = (uint32) atol(temp);
 989                 pdb_set_bad_password_count(sampass,
 990                                 bad_password_count, PDB_SET);
 991         }
 992
 993         temp = smbldap_talloc_single_attribute(
 994                         ldap_state->smbldap_state->ldap_struct,
 995                         entry,
 996                         get_userattr_key2string(ldap_state->schema_ver,
 997                                 LDAP_ATTR_BAD_PASSWORD_TIME),
 998                         ctx);
 999         if (temp) {
1000                 bad_password_time = (time_t) atol(temp);
1001                 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1002         }
1003
1004
1005         temp = smbldap_talloc_single_attribute(
1006                         ldap_state->smbldap_state->ldap_struct,
1007                         entry,
1008                         get_userattr_key2string(ldap_state->schema_ver,
1009                                 LDAP_ATTR_LOGON_COUNT),
1010                         ctx);
1011         if (temp) {
1012                 logon_count = (uint32) atol(temp);
1013                 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1014         }
1015
1016         /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1017
1018         temp = smbldap_talloc_single_attribute(
1019                         ldap_state->smbldap_state->ldap_struct,
1020                         entry,
1021                         get_userattr_key2string(ldap_state->schema_ver,
1022                                 LDAP_ATTR_LOGON_HOURS),
1023                         ctx);
1024         if (temp) {
1025                 pdb_gethexhours(temp, hours);
1026                 memset((char *)temp, '\0', strlen(temp) +1);
1027                 pdb_set_hours(sampass, hours, PDB_SET);
1028                 ZERO_STRUCT(hours);
1029         }
1030
1031         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1032                 struct passwd unix_pw;
1033                 bool have_uid = false;
1034                 bool have_gid = false;
1035                 DOM_SID mapped_gsid;
1036                 const DOM_SID *primary_gsid;
1037
1038                 ZERO_STRUCT(unix_pw);
1039
1040                 unix_pw.pw_name = username;
1041                 unix_pw.pw_passwd = discard_const_p(char, "x");
1042
1043                 temp = smbldap_talloc_single_attribute(
1044                                 priv2ld(ldap_state),
1045                                 entry,
1046                                 "uidNumber",
1047                                 ctx);
1048                 if (temp) {
1049                         /* We've got a uid, feed the cache */
1050                         unix_pw.pw_uid = strtoul(temp, NULL, 10);
1051                         have_uid = true;
1052                 }
1053                 temp = smbldap_talloc_single_attribute(
1054                                 priv2ld(ldap_state),
1055                                 entry,
1056                                 "gidNumber",
1057                                 ctx);
1058                 if (temp) {
1059                         /* We've got a uid, feed the cache */
1060                         unix_pw.pw_gid = strtoul(temp, NULL, 10);
1061                         have_gid = true;
1062                 }
1063                 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1064                                 priv2ld(ldap_state),
1065                                 entry,
1066                                 "gecos",
1067                                 ctx);
1068                 if (unix_pw.pw_gecos) {
1069                         unix_pw.pw_gecos = fullname;
1070                 }
1071                 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1072                                 priv2ld(ldap_state),
1073                                 entry,
1074                                 "homeDirectory",
1075                                 ctx);
1076                 if (unix_pw.pw_dir) {
1077                         unix_pw.pw_dir = discard_const_p(char, "");
1078                 }
1079                 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1080                                 priv2ld(ldap_state),
1081                                 entry,
1082                                 "loginShell",
1083                                 ctx);
1084                 if (unix_pw.pw_shell) {
1085                         unix_pw.pw_shell = discard_const_p(char, "");
1086                 }
1087
1088                 if (have_uid && have_gid) {
1089                         sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1090                 } else {
1091                         sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1092                 }
1093
1094                 if (sampass->unix_pw == NULL) {
1095                         DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1096                                  pdb_get_username(sampass)));
1097                         goto fn_exit;
1098                 }
1099
1100                 store_uid_sid_cache(pdb_get_user_sid(sampass),
1101                                     sampass->unix_pw->pw_uid);
1102                 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1103                                         sampass->unix_pw->pw_uid);
1104
1105                 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1106                 primary_gsid = pdb_get_group_sid(sampass);
1107                 if (primary_gsid && sid_equal(primary_gsid, &mapped_gsid)) {
1108                         store_gid_sid_cache(primary_gsid,
1109                                             sampass->unix_pw->pw_gid);
1110                         idmap_cache_set_sid2uid(primary_gsid,
1111                                                 sampass->unix_pw->pw_gid);
1112                 }
1113         }
1114
1115         /* check the timestamp of the cache vs ldap entry */
1116         if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1117                                                             entry))) {
1118                 ret = true;
1119                 goto fn_exit;
1120         }
1121
1122         /* see if we have newer updates */
1123         if (!(cache_entry = login_cache_read(sampass))) {
1124                 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1125                            (unsigned int)pdb_get_bad_password_count(sampass),
1126                            (unsigned int)pdb_get_bad_password_time(sampass)));
1127                 ret = true;
1128                 goto fn_exit;
1129         }
1130
1131         DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1132                   (unsigned int)ldap_entry_time,
1133                   (unsigned int)cache_entry->entry_timestamp,
1134                   (unsigned int)cache_entry->bad_password_time));
1135
1136         if (ldap_entry_time > cache_entry->entry_timestamp) {
1137                 /* cache is older than directory , so
1138                    we need to delete the entry but allow the
1139                    fields to be written out */
1140                 login_cache_delentry(sampass);
1141         } else {
1142                 /* read cache in */
1143                 pdb_set_acct_ctrl(sampass,
1144                                   pdb_get_acct_ctrl(sampass) |
1145                                   (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1146                                   PDB_SET);
1147                 pdb_set_bad_password_count(sampass,
1148                                            cache_entry->bad_password_count,
1149                                            PDB_SET);
1150                 pdb_set_bad_password_time(sampass,
1151                                           cache_entry->bad_password_time,
1152                                           PDB_SET);
1153         }
1154
1155         ret = true;
1156
1157   fn_exit:
1158
1159         TALLOC_FREE(ctx);
1160         SAFE_FREE(cache_entry);
1161         return ret;
1162 }
1163
1164 /**********************************************************************
1165  Initialize the ldap db from a struct samu. Called on update.
1166  (Based on init_buffer_from_sam in pdb_tdb.c)
1167 *********************************************************************/
1168
1169 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1170                                 LDAPMessage *existing,
1171                                 LDAPMod *** mods, struct samu * sampass,
1172                                 bool (*need_update)(const struct samu *,
1173                                                     enum pdb_elements))
1174 {
1175         char *temp = NULL;
1176         uint32 rid;
1177
1178         if (mods == NULL || sampass == NULL) {
1179                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1180                 return False;
1181         }
1182
1183         *mods = NULL;
1184
1185         /*
1186          * took out adding "objectclass: sambaAccount"
1187          * do this on a per-mod basis
1188          */
1189         if (need_update(sampass, PDB_USERNAME)) {
1190                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1191                               "uid", pdb_get_username(sampass));
1192                 if (ldap_state->is_nds_ldap) {
1193                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194                                       "cn", pdb_get_username(sampass));
1195                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1196                                       "sn", pdb_get_username(sampass));
1197                 }
1198         }
1199
1200         DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1201
1202         /* only update the RID if we actually need to */
1203         if (need_update(sampass, PDB_USERSID)) {
1204                 fstring sid_string;
1205                 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1206
1207                 switch ( ldap_state->schema_ver ) {
1208                         case SCHEMAVER_SAMBAACCOUNT:
1209                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1210                                         DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1211                                                   sid_string_dbg(user_sid),
1212                                                   sid_string_dbg(
1213                                                           &ldap_state->domain_sid)));
1214                                         return False;
1215                                 }
1216                                 if (asprintf(&temp, "%i", rid) < 0) {
1217                                         return false;
1218                                 }
1219                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1220                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1221                                         temp);
1222                                 SAFE_FREE(temp);
1223                                 break;
1224
1225                         case SCHEMAVER_SAMBASAMACCOUNT:
1226                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1227                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1228                                         sid_to_fstring(sid_string, user_sid));
1229                                 break;
1230
1231                         default:
1232                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1233                                 break;
1234                 }
1235         }
1236
1237         /* we don't need to store the primary group RID - so leaving it
1238            'free' to hang off the unix primary group makes life easier */
1239
1240         if (need_update(sampass, PDB_GROUPSID)) {
1241                 fstring sid_string;
1242                 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1243
1244                 switch ( ldap_state->schema_ver ) {
1245                         case SCHEMAVER_SAMBAACCOUNT:
1246                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1247                                         DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1248                                                   sid_string_dbg(group_sid),
1249                                                   sid_string_dbg(
1250                                                           &ldap_state->domain_sid)));
1251                                         return False;
1252                                 }
1253
1254                                 if (asprintf(&temp, "%i", rid) < 0) {
1255                                         return false;
1256                                 }
1257                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1258                                         get_userattr_key2string(ldap_state->schema_ver,
1259                                         LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1260                                 SAFE_FREE(temp);
1261                                 break;
1262
1263                         case SCHEMAVER_SAMBASAMACCOUNT:
1264                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1265                                         get_userattr_key2string(ldap_state->schema_ver,
1266                                         LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1267                                 break;
1268
1269                         default:
1270                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1271                                 break;
1272                 }
1273
1274         }
1275
1276         /* displayName, cn, and gecos should all be the same
1277          *  most easily accomplished by giving them the same OID
1278          *  gecos isn't set here b/c it should be handled by the
1279          *  add-user script
1280          *  We change displayName only and fall back to cn if
1281          *  it does not exist.
1282          */
1283
1284         if (need_update(sampass, PDB_FULLNAME))
1285                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1287                         pdb_get_fullname(sampass));
1288
1289         if (need_update(sampass, PDB_ACCTDESC))
1290                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1291                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1292                         pdb_get_acct_desc(sampass));
1293
1294         if (need_update(sampass, PDB_WORKSTATIONS))
1295                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1297                         pdb_get_workstations(sampass));
1298
1299         if (need_update(sampass, PDB_MUNGEDDIAL))
1300                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1301                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1302                         pdb_get_munged_dial(sampass));
1303
1304         if (need_update(sampass, PDB_SMBHOME))
1305                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1307                         pdb_get_homedir(sampass));
1308
1309         if (need_update(sampass, PDB_DRIVE))
1310                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1311                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1312                         pdb_get_dir_drive(sampass));
1313
1314         if (need_update(sampass, PDB_LOGONSCRIPT))
1315                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1316                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1317                         pdb_get_logon_script(sampass));
1318
1319         if (need_update(sampass, PDB_PROFILE))
1320                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1321                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1322                         pdb_get_profile_path(sampass));
1323
1324         if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1325                 return false;
1326         }
1327         if (need_update(sampass, PDB_LOGONTIME))
1328                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1329                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1330         SAFE_FREE(temp);
1331
1332         if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1333                 return false;
1334         }
1335         if (need_update(sampass, PDB_LOGOFFTIME))
1336                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1337                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1338         SAFE_FREE(temp);
1339
1340         if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1341                 return false;
1342         }
1343         if (need_update(sampass, PDB_KICKOFFTIME))
1344                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1345                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1346         SAFE_FREE(temp);
1347
1348         if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1349                 return false;
1350         }
1351         if (need_update(sampass, PDB_CANCHANGETIME))
1352                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1353                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1354         SAFE_FREE(temp);
1355
1356         if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1357                 return false;
1358         }
1359         if (need_update(sampass, PDB_MUSTCHANGETIME))
1360                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1361                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1362         SAFE_FREE(temp);
1363
1364         if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1365                         || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1366
1367                 if (need_update(sampass, PDB_LMPASSWD)) {
1368                         const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1369                         if (lm_pw) {
1370                                 char pwstr[34];
1371                                 pdb_sethexpwd(pwstr, lm_pw,
1372                                               pdb_get_acct_ctrl(sampass));
1373                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1374                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1375                                                  pwstr);
1376                         } else {
1377                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1378                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1379                                                  NULL);
1380                         }
1381                 }
1382                 if (need_update(sampass, PDB_NTPASSWD)) {
1383                         const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1384                         if (nt_pw) {
1385                                 char pwstr[34];
1386                                 pdb_sethexpwd(pwstr, nt_pw,
1387                                               pdb_get_acct_ctrl(sampass));
1388                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1389                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1390                                                  pwstr);
1391                         } else {
1392                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1393                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1394                                                  NULL);
1395                         }
1396                 }
1397
1398                 if (need_update(sampass, PDB_PWHISTORY)) {
1399                         char *pwstr = NULL;
1400                         uint32 pwHistLen = 0;
1401                         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1402
1403                         pwstr = SMB_MALLOC_ARRAY(char, 1024);
1404                         if (!pwstr) {
1405                                 return false;
1406                         }
1407                         if (pwHistLen == 0) {
1408                                 /* Remove any password history from the LDAP store. */
1409                                 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1410                                 pwstr[64] = '\0';
1411                         } else {
1412                                 int i;
1413                                 uint32 currHistLen = 0;
1414                                 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1415                                 if (pwhist != NULL) {
1416                                         /* We can only store (1024-1/64 password history entries. */
1417                                         pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1418                                         for (i=0; i< pwHistLen && i < currHistLen; i++) {
1419                                                 /* Store the salt. */
1420                                                 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1421                                                 /* Followed by the md5 hash of salt + md4 hash */
1422                                                 pdb_sethexpwd(&pwstr[(i*64)+32],
1423                                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1424                                                 DEBUG(100, ("pwstr=%s\n", pwstr));
1425                                         }
1426                                 }
1427                         }
1428                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1429                                          get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1430                                          pwstr);
1431                         SAFE_FREE(pwstr);
1432                 }
1433
1434                 if (need_update(sampass, PDB_PASSLASTSET)) {
1435                         if (asprintf(&temp, "%li",
1436                                 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1437                                 return false;
1438                         }
1439                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1440                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1441                                 temp);
1442                         SAFE_FREE(temp);
1443                 }
1444         }
1445
1446         if (need_update(sampass, PDB_HOURS)) {
1447                 const uint8 *hours = pdb_get_hours(sampass);
1448                 if (hours) {
1449                         char hourstr[44];
1450                         pdb_sethexhours(hourstr, hours);
1451                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1452                                 existing,
1453                                 mods,
1454                                 get_userattr_key2string(ldap_state->schema_ver,
1455                                                 LDAP_ATTR_LOGON_HOURS),
1456                                 hourstr);
1457                 }
1458         }
1459
1460         if (need_update(sampass, PDB_ACCTCTRL))
1461                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1462                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1463                         pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1464
1465         /* password lockout cache:
1466            - If we are now autolocking or clearing, we write to ldap
1467            - If we are clearing, we delete the cache entry
1468            - If the count is > 0, we update the cache
1469
1470            This even means when autolocking, we cache, just in case the
1471            update doesn't work, and we have to cache the autolock flag */
1472
1473         if (need_update(sampass, PDB_BAD_PASSWORD_COUNT))  /* &&
1474             need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1475                 uint16 badcount = pdb_get_bad_password_count(sampass);
1476                 time_t badtime = pdb_get_bad_password_time(sampass);
1477                 uint32 pol;
1478                 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1479
1480                 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1481                         (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1482
1483                 if ((badcount >= pol) || (badcount == 0)) {
1484                         DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1485                                 (unsigned int)badcount, (unsigned int)badtime));
1486                         if (asprintf(&temp, "%li", (long)badcount) < 0) {
1487                                 return false;
1488                         }
1489                         smbldap_make_mod(
1490                                 ldap_state->smbldap_state->ldap_struct,
1491                                 existing, mods,
1492                                 get_userattr_key2string(
1493                                         ldap_state->schema_ver,
1494                                         LDAP_ATTR_BAD_PASSWORD_COUNT),
1495                                 temp);
1496                         SAFE_FREE(temp);
1497
1498                         if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1499                                 return false;
1500                         }
1501                         smbldap_make_mod(
1502                                 ldap_state->smbldap_state->ldap_struct,
1503                                 existing, mods,
1504                                 get_userattr_key2string(
1505                                         ldap_state->schema_ver,
1506                                         LDAP_ATTR_BAD_PASSWORD_TIME),
1507                                 temp);
1508                         SAFE_FREE(temp);
1509                 }
1510                 if (badcount == 0) {
1511                         DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1512                         login_cache_delentry(sampass);
1513                 } else {
1514                         LOGIN_CACHE cache_entry;
1515
1516                         cache_entry.entry_timestamp = time(NULL);
1517                         cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1518                         cache_entry.bad_password_count = badcount;
1519                         cache_entry.bad_password_time = badtime;
1520
1521                         DEBUG(7, ("Updating bad password count and time in login cache\n"));
1522                         login_cache_write(sampass, cache_entry);
1523                 }
1524         }
1525
1526         return True;
1527 }
1528
1529 /**********************************************************************
1530  End enumeration of the LDAP password list.
1531 *********************************************************************/
1532
1533 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1534 {
1535         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1536         if (ldap_state->result) {
1537                 ldap_msgfree(ldap_state->result);
1538                 ldap_state->result = NULL;
1539         }
1540 }
1541
1542 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1543                         const char *new_attr)
1544 {
1545         int i;
1546
1547         if (new_attr == NULL) {
1548                 return;
1549         }
1550
1551         for (i=0; (*attr_list)[i] != NULL; i++) {
1552                 ;
1553         }
1554
1555         (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1556                                             const char *,  i+2);
1557         SMB_ASSERT((*attr_list) != NULL);
1558         (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1559         (*attr_list)[i+1] = NULL;
1560 }
1561
1562 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1563                                         const char ***attr_list)
1564 {
1565         append_attr(mem_ctx, attr_list, "uidNumber");
1566         append_attr(mem_ctx, attr_list, "gidNumber");
1567         append_attr(mem_ctx, attr_list, "homeDirectory");
1568         append_attr(mem_ctx, attr_list, "loginShell");
1569         append_attr(mem_ctx, attr_list, "gecos");
1570 }
1571
1572 /**********************************************************************
1573 Get struct samu entry from LDAP by username.
1574 *********************************************************************/
1575
1576 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1577 {
1578         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1579         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1580         LDAPMessage *result = NULL;
1581         LDAPMessage *entry = NULL;
1582         int count;
1583         const char ** attr_list;
1584         int rc;
1585
1586         attr_list = get_userattr_list( user, ldap_state->schema_ver );
1587         append_attr(user, &attr_list,
1588                     get_userattr_key2string(ldap_state->schema_ver,
1589                                             LDAP_ATTR_MOD_TIMESTAMP));
1590         ldapsam_add_unix_attributes(user, &attr_list);
1591         rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1592                                            attr_list);
1593         TALLOC_FREE( attr_list );
1594
1595         if ( rc != LDAP_SUCCESS )
1596                 return NT_STATUS_NO_SUCH_USER;
1597
1598         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1599
1600         if (count < 1) {
1601                 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1602                 ldap_msgfree(result);
1603                 return NT_STATUS_NO_SUCH_USER;
1604         } else if (count > 1) {
1605                 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1606                 ldap_msgfree(result);
1607                 return NT_STATUS_NO_SUCH_USER;
1608         }
1609
1610         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1611         if (entry) {
1612                 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1613                         DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1614                         ldap_msgfree(result);
1615                         return NT_STATUS_NO_SUCH_USER;
1616                 }
1617                 pdb_set_backend_private_data(user, result, NULL,
1618                                              my_methods, PDB_CHANGED);
1619                 talloc_autofree_ldapmsg(user, result);
1620                 ret = NT_STATUS_OK;
1621         } else {
1622                 ldap_msgfree(result);
1623         }
1624         return ret;
1625 }
1626
1627 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1628                                    const DOM_SID *sid, LDAPMessage **result)
1629 {
1630         int rc = -1;
1631         const char ** attr_list;
1632         uint32 rid;
1633
1634         switch ( ldap_state->schema_ver ) {
1635                 case SCHEMAVER_SAMBASAMACCOUNT: {
1636                         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1637                         if (tmp_ctx == NULL) {
1638                                 return LDAP_NO_MEMORY;
1639                         }
1640
1641                         attr_list = get_userattr_list(tmp_ctx,
1642                                                       ldap_state->schema_ver);
1643                         append_attr(tmp_ctx, &attr_list,
1644                                     get_userattr_key2string(
1645                                             ldap_state->schema_ver,
1646                                             LDAP_ATTR_MOD_TIMESTAMP));
1647                         ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1648                         rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1649                                                           result, attr_list);
1650                         TALLOC_FREE(tmp_ctx);
1651
1652                         if ( rc != LDAP_SUCCESS )
1653                                 return rc;
1654                         break;
1655                 }
1656
1657                 case SCHEMAVER_SAMBAACCOUNT:
1658                         if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1659                                 return rc;
1660                         }
1661
1662                         attr_list = get_userattr_list(NULL,
1663                                                       ldap_state->schema_ver);
1664                         rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1665                         TALLOC_FREE( attr_list );
1666
1667                         if ( rc != LDAP_SUCCESS )
1668                                 return rc;
1669                         break;
1670         }
1671         return rc;
1672 }
1673
1674 /**********************************************************************
1675  Get struct samu entry from LDAP by SID.
1676 *********************************************************************/
1677
1678 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1679 {
1680         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1681         LDAPMessage *result = NULL;
1682         LDAPMessage *entry = NULL;
1683         int count;
1684         int rc;
1685
1686         rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1687                                           sid, &result);
1688         if (rc != LDAP_SUCCESS)
1689                 return NT_STATUS_NO_SUCH_USER;
1690
1691         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1692
1693         if (count < 1) {
1694                 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1695                           "count=%d\n", sid_string_dbg(sid), count));
1696                 ldap_msgfree(result);
1697                 return NT_STATUS_NO_SUCH_USER;
1698         }  else if (count > 1) {
1699                 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1700                           "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1701                           count));
1702                 ldap_msgfree(result);
1703                 return NT_STATUS_NO_SUCH_USER;
1704         }
1705
1706         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1707         if (!entry) {
1708                 ldap_msgfree(result);
1709                 return NT_STATUS_NO_SUCH_USER;
1710         }
1711
1712         if (!init_sam_from_ldap(ldap_state, user, entry)) {
1713                 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1714                 ldap_msgfree(result);
1715                 return NT_STATUS_NO_SUCH_USER;
1716         }
1717
1718         pdb_set_backend_private_data(user, result, NULL,
1719                                      my_methods, PDB_CHANGED);
1720         talloc_autofree_ldapmsg(user, result);
1721         return NT_STATUS_OK;
1722 }
1723
1724 /********************************************************************
1725  Do the actual modification - also change a plaintext passord if
1726  it it set.
1727 **********************************************************************/
1728
1729 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1730                                      struct samu *newpwd, char *dn,
1731                                      LDAPMod **mods, int ldap_op,
1732                                      bool (*need_update)(const struct samu *, enum pdb_elements))
1733 {
1734         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1735         int rc;
1736
1737         if (!newpwd || !dn) {
1738                 return NT_STATUS_INVALID_PARAMETER;
1739         }
1740
1741         if (!mods) {
1742                 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1743                 /* may be password change below however */
1744         } else {
1745                 switch(ldap_op) {
1746                         case LDAP_MOD_ADD:
1747                                 if (ldap_state->is_nds_ldap) {
1748                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1749                                                         "objectclass",
1750                                                         "inetOrgPerson");
1751                                 } else {
1752                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1753                                                         "objectclass",
1754                                                         LDAP_OBJ_ACCOUNT);
1755                                 }
1756                                 rc = smbldap_add(ldap_state->smbldap_state,
1757                                                  dn, mods);
1758                                 break;
1759                         case LDAP_MOD_REPLACE:
1760                                 rc = smbldap_modify(ldap_state->smbldap_state,
1761                                                     dn ,mods);
1762                                 break;
1763                         default:
1764                                 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1765                                          ldap_op));
1766                                 return NT_STATUS_INVALID_PARAMETER;
1767                 }
1768
1769                 if (rc!=LDAP_SUCCESS) {
1770                         return NT_STATUS_UNSUCCESSFUL;
1771                 }
1772         }
1773
1774         if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1775                         (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1776                         need_update(newpwd, PDB_PLAINTEXT_PW) &&
1777                         (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1778                 BerElement *ber;
1779                 struct berval *bv;
1780                 char *retoid = NULL;
1781                 struct berval *retdata = NULL;
1782                 char *utf8_password;
1783                 char *utf8_dn;
1784                 size_t converted_size;
1785                 int ret;
1786
1787                 if (!ldap_state->is_nds_ldap) {
1788
1789                         if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1790                                                    LDAP_EXOP_MODIFY_PASSWD)) {
1791                                 DEBUG(2, ("ldap password change requested, but LDAP "
1792                                           "server does not support it -- ignoring\n"));
1793                                 return NT_STATUS_OK;
1794                         }
1795                 }
1796
1797                 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1798                                         pdb_get_plaintext_passwd(newpwd),
1799                                         &converted_size))
1800                 {
1801                         return NT_STATUS_NO_MEMORY;
1802                 }
1803
1804                 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1805                         TALLOC_FREE(utf8_password);
1806                         return NT_STATUS_NO_MEMORY;
1807                 }
1808
1809                 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1810                         DEBUG(0,("ber_alloc_t returns NULL\n"));
1811                         TALLOC_FREE(utf8_password);
1812                         TALLOC_FREE(utf8_dn);
1813                         return NT_STATUS_UNSUCCESSFUL;
1814                 }
1815
1816                 if ((ber_printf (ber, "{") < 0) ||
1817                     (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1818                                  utf8_dn) < 0)) {
1819                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1820                                  "value <0\n"));
1821                         ber_free(ber,1);
1822                         TALLOC_FREE(utf8_dn);
1823                         TALLOC_FREE(utf8_password);
1824                         return NT_STATUS_UNSUCCESSFUL;
1825                 }
1826
1827                 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1828                         ret = ber_printf(ber, "ts}",
1829                                          LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1830                                          utf8_password);
1831                 } else {
1832                         ret = ber_printf(ber, "}");
1833                 }
1834
1835                 if (ret < 0) {
1836                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1837                                  "value <0\n"));
1838                         ber_free(ber,1);
1839                         TALLOC_FREE(utf8_dn);
1840                         TALLOC_FREE(utf8_password);
1841                         return NT_STATUS_UNSUCCESSFUL;
1842                 }
1843
1844                 if ((rc = ber_flatten (ber, &bv))<0) {
1845                         DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1846                         ber_free(ber,1);
1847                         TALLOC_FREE(utf8_dn);
1848                         TALLOC_FREE(utf8_password);
1849                         return NT_STATUS_UNSUCCESSFUL;
1850                 }
1851
1852                 TALLOC_FREE(utf8_dn);
1853                 TALLOC_FREE(utf8_password);
1854                 ber_free(ber, 1);
1855
1856                 if (!ldap_state->is_nds_ldap) {
1857                         rc = smbldap_extended_operation(ldap_state->smbldap_state,
1858                                                         LDAP_EXOP_MODIFY_PASSWD,
1859                                                         bv, NULL, NULL, &retoid,
1860                                                         &retdata);
1861                 } else {
1862                         rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1863                                                         pdb_get_plaintext_passwd(newpwd));
1864                 }
1865                 if (rc != LDAP_SUCCESS) {
1866                         char *ld_error = NULL;
1867
1868                         if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1869                                 DEBUG(3, ("Could not set userPassword "
1870                                           "attribute due to an objectClass "
1871                                           "violation -- ignoring\n"));
1872                                 ber_bvfree(bv);
1873                                 return NT_STATUS_OK;
1874                         }
1875
1876                         ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1877                                         &ld_error);
1878                         DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1879                                 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1880                         SAFE_FREE(ld_error);
1881                         ber_bvfree(bv);
1882 #if defined(LDAP_CONSTRAINT_VIOLATION)
1883                         if (rc == LDAP_CONSTRAINT_VIOLATION)
1884                                 return NT_STATUS_PASSWORD_RESTRICTION;
1885 #endif
1886                         return NT_STATUS_UNSUCCESSFUL;
1887                 } else {
1888                         DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1889 #ifdef DEBUG_PASSWORD
1890                         DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1891 #endif
1892                         if (retdata)
1893                                 ber_bvfree(retdata);
1894                         if (retoid)
1895                                 ldap_memfree(retoid);
1896                 }
1897                 ber_bvfree(bv);
1898         }
1899         return NT_STATUS_OK;
1900 }
1901
1902 /**********************************************************************
1903  Delete entry from LDAP for username.
1904 *********************************************************************/
1905
1906 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1907                                            struct samu * sam_acct)
1908 {
1909         struct ldapsam_privates *priv =
1910                 (struct ldapsam_privates *)my_methods->private_data;
1911         const char *sname;
1912         int rc;
1913         LDAPMessage *msg, *entry;
1914         NTSTATUS result = NT_STATUS_NO_MEMORY;
1915         const char **attr_list;
1916         TALLOC_CTX *mem_ctx;
1917
1918         if (!sam_acct) {
1919                 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1920                 return NT_STATUS_INVALID_PARAMETER;
1921         }
1922
1923         sname = pdb_get_username(sam_acct);
1924
1925         DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1926                   "LDAP.\n", sname));
1927
1928         mem_ctx = talloc_new(NULL);
1929         if (mem_ctx == NULL) {
1930                 DEBUG(0, ("talloc_new failed\n"));
1931                 goto done;
1932         }
1933
1934         attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1935         if (attr_list == NULL) {
1936                 goto done;
1937         }
1938
1939         rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1940
1941         if ((rc != LDAP_SUCCESS) ||
1942             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1943             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1944                 DEBUG(5, ("Could not find user %s\n", sname));
1945                 result = NT_STATUS_NO_SUCH_USER;
1946                 goto done;
1947         }
1948
1949         rc = ldapsam_delete_entry(
1950                 priv, mem_ctx, entry,
1951                 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1952                 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1953                 attr_list);
1954
1955         result = (rc == LDAP_SUCCESS) ?
1956                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1957
1958  done:
1959         TALLOC_FREE(mem_ctx);
1960         return result;
1961 }
1962
1963 /**********************************************************************
1964  Helper function to determine for update_sam_account whether
1965  we need LDAP modification.
1966 *********************************************************************/
1967
1968 static bool element_is_changed(const struct samu *sampass,
1969                                enum pdb_elements element)
1970 {
1971         return IS_SAM_CHANGED(sampass, element);
1972 }
1973
1974 /**********************************************************************
1975  Update struct samu.
1976 *********************************************************************/
1977
1978 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1979 {
1980         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1981         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1982         int rc = 0;
1983         char *dn;
1984         LDAPMessage *result = NULL;
1985         LDAPMessage *entry = NULL;
1986         LDAPMod **mods = NULL;
1987         const char **attr_list;
1988
1989         result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1990         if (!result) {
1991                 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1992                 if (pdb_get_username(newpwd) == NULL) {
1993                         return NT_STATUS_INVALID_PARAMETER;
1994                 }
1995                 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1996                 TALLOC_FREE( attr_list );
1997                 if (rc != LDAP_SUCCESS) {
1998                         return NT_STATUS_UNSUCCESSFUL;
1999                 }
2000                 pdb_set_backend_private_data(newpwd, result, NULL,
2001                                              my_methods, PDB_CHANGED);
2002                 talloc_autofree_ldapmsg(newpwd, result);
2003         }
2004
2005         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2006                 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
2007                 return NT_STATUS_UNSUCCESSFUL;
2008         }
2009
2010         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2011         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
2012         if (!dn) {
2013                 return NT_STATUS_UNSUCCESSFUL;
2014         }
2015
2016         DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
2017
2018         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2019                                 element_is_changed)) {
2020                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2021                 TALLOC_FREE(dn);
2022                 if (mods != NULL)
2023                         ldap_mods_free(mods,True);
2024                 return NT_STATUS_UNSUCCESSFUL;
2025         }
2026
2027         if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2028             && (mods == NULL)) {
2029                 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2030                          pdb_get_username(newpwd)));
2031                 TALLOC_FREE(dn);
2032                 return NT_STATUS_OK;
2033         }
2034
2035         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2036
2037         if (mods != NULL) {
2038                 ldap_mods_free(mods,True);
2039         }
2040
2041         TALLOC_FREE(dn);
2042
2043         /*
2044          * We need to set the backend private data to NULL here. For example
2045          * setuserinfo level 25 does a pdb_update_sam_account twice on the
2046          * same one, and with the explicit delete / add logic for attribute
2047          * values the second time we would use the wrong "old" value which
2048          * does not exist in LDAP anymore. Thus the LDAP server would refuse
2049          * the update.
2050          * The existing LDAPMessage is still being auto-freed by the
2051          * destructor.
2052          */
2053         pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2054                                      PDB_CHANGED);
2055
2056         if (!NT_STATUS_IS_OK(ret)) {
2057                 return ret;
2058         }
2059
2060         DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2061                   pdb_get_username(newpwd)));
2062         return NT_STATUS_OK;
2063 }
2064
2065 /***************************************************************************
2066  Renames a struct samu
2067  - The "rename user script" has full responsibility for changing everything
2068 ***************************************************************************/
2069
2070 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2071                                      TALLOC_CTX *tmp_ctx,
2072                                      uint32 group_rid,
2073                                      uint32 member_rid);
2074
2075 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2076                                                TALLOC_CTX *mem_ctx,
2077                                                struct samu *user,
2078                                                DOM_SID **pp_sids,
2079                                                gid_t **pp_gids,
2080                                                size_t *p_num_groups);
2081
2082 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2083                                            struct samu *old_acct,
2084                                            const char *newname)
2085 {
2086         const char *oldname;
2087         int rc;
2088         char *rename_script = NULL;
2089         fstring oldname_lower, newname_lower;
2090
2091         if (!old_acct) {
2092                 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2093                 return NT_STATUS_INVALID_PARAMETER;
2094         }
2095         if (!newname) {
2096                 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2097                 return NT_STATUS_INVALID_PARAMETER;
2098         }
2099
2100         oldname = pdb_get_username(old_acct);
2101
2102         /* rename the posix user */
2103         rename_script = SMB_STRDUP(lp_renameuser_script());
2104         if (rename_script == NULL) {
2105                 return NT_STATUS_NO_MEMORY;
2106         }
2107
2108         if (!(*rename_script)) {
2109                 SAFE_FREE(rename_script);
2110                 return NT_STATUS_ACCESS_DENIED;
2111         }
2112
2113         DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2114                    oldname, newname));
2115
2116         /* We have to allow the account name to end with a '$'.
2117            Also, follow the semantics in _samr_create_user() and lower case the
2118            posix name but preserve the case in passdb */
2119
2120         fstrcpy( oldname_lower, oldname );
2121         strlower_m( oldname_lower );
2122         fstrcpy( newname_lower, newname );
2123         strlower_m( newname_lower );
2124         rename_script = realloc_string_sub2(rename_script,
2125                                         "%unew",
2126                                         newname_lower,
2127                                         true,
2128                                         true);
2129         if (!rename_script) {
2130                 return NT_STATUS_NO_MEMORY;
2131         }
2132         rename_script = realloc_string_sub2(rename_script,
2133                                         "%uold",
2134                                         oldname_lower,
2135                                         true,
2136                                         true);
2137         rc = smbrun(rename_script, NULL);
2138
2139         DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2140                           rename_script, rc));
2141
2142         SAFE_FREE(rename_script);
2143
2144         if (rc == 0) {
2145                 smb_nscd_flush_user_cache();
2146         }
2147
2148         if (rc)
2149                 return NT_STATUS_UNSUCCESSFUL;
2150
2151         return NT_STATUS_OK;
2152 }
2153
2154 /**********************************************************************
2155  Helper function to determine for update_sam_account whether
2156  we need LDAP modification.
2157  *********************************************************************/
2158
2159 static bool element_is_set_or_changed(const struct samu *sampass,
2160                                       enum pdb_elements element)
2161 {
2162         return (IS_SAM_SET(sampass, element) ||
2163                 IS_SAM_CHANGED(sampass, element));
2164 }
2165
2166 /**********************************************************************
2167  Add struct samu to LDAP.
2168 *********************************************************************/
2169
2170 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2171 {
2172         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2173         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2174         int rc;
2175         LDAPMessage     *result = NULL;
2176         LDAPMessage     *entry  = NULL;
2177         LDAPMod         **mods = NULL;
2178         int             ldap_op = LDAP_MOD_REPLACE;
2179         uint32          num_result;
2180         const char      **attr_list;
2181         char *escape_user = NULL;
2182         const char      *username = pdb_get_username(newpwd);
2183         const DOM_SID   *sid = pdb_get_user_sid(newpwd);
2184         char *filter = NULL;
2185         char *dn = NULL;
2186         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2187         TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2188
2189         if (!ctx) {
2190                 return NT_STATUS_NO_MEMORY;
2191         }
2192
2193         if (!username || !*username) {
2194                 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2195                 status = NT_STATUS_INVALID_PARAMETER;
2196                 goto fn_exit;
2197         }
2198
2199         /* free this list after the second search or in case we exit on failure */
2200         attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2201
2202         rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2203
2204         if (rc != LDAP_SUCCESS) {
2205                 goto fn_exit;
2206         }
2207
2208         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2209                 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2210                          username));
2211                 goto fn_exit;
2212         }
2213         ldap_msgfree(result);
2214         result = NULL;
2215
2216         if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2217                 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2218                                                   sid, &result);
2219                 if (rc == LDAP_SUCCESS) {
2220                         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2221                                 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2222                                          "already in the base, with samba "
2223                                          "attributes\n", sid_string_dbg(sid)));
2224                                 goto fn_exit;
2225                         }
2226                         ldap_msgfree(result);
2227                         result = NULL;
2228                 }
2229         }
2230
2231         /* does the entry already exist but without a samba attributes?
2232            we need to return the samba attributes here */
2233
2234         escape_user = escape_ldap_string(talloc_tos(), username);
2235         filter = talloc_strdup(attr_list, "(uid=%u)");
2236         if (!filter) {
2237                 status = NT_STATUS_NO_MEMORY;
2238                 goto fn_exit;
2239         }
2240         filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2241         TALLOC_FREE(escape_user);
2242         if (!filter) {
2243                 status = NT_STATUS_NO_MEMORY;
2244                 goto fn_exit;
2245         }
2246
2247         rc = smbldap_search_suffix(ldap_state->smbldap_state,
2248                                    filter, attr_list, &result);
2249         if ( rc != LDAP_SUCCESS ) {
2250                 goto fn_exit;
2251         }
2252
2253         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2254
2255         if (num_result > 1) {
2256                 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2257                 goto fn_exit;
2258         }
2259
2260         /* Check if we need to update an existing entry */
2261         if (num_result == 1) {
2262                 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2263                 ldap_op = LDAP_MOD_REPLACE;
2264                 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2265                 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2266                 if (!dn) {
2267                         status = NT_STATUS_NO_MEMORY;
2268                         goto fn_exit;
2269                 }
2270
2271         } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2272
2273                 /* There might be a SID for this account already - say an idmap entry */
2274
2275                 filter = talloc_asprintf(ctx,
2276                                 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2277                                  get_userattr_key2string(ldap_state->schema_ver,
2278                                          LDAP_ATTR_USER_SID),
2279                                  sid_string_talloc(ctx, sid),
2280                                  LDAP_OBJ_IDMAP_ENTRY,
2281                                  LDAP_OBJ_SID_ENTRY);
2282                 if (!filter) {
2283                         status = NT_STATUS_NO_MEMORY;
2284                         goto fn_exit;
2285                 }
2286
2287                 /* free old result before doing a new search */
2288                 if (result != NULL) {
2289                         ldap_msgfree(result);
2290                         result = NULL;
2291                 }
2292                 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2293                                            filter, attr_list, &result);
2294
2295                 if ( rc != LDAP_SUCCESS ) {
2296                         goto fn_exit;
2297                 }
2298
2299                 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2300
2301                 if (num_result > 1) {
2302                         DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2303                         goto fn_exit;
2304                 }
2305
2306                 /* Check if we need to update an existing entry */
2307                 if (num_result == 1) {
2308
2309                         DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2310                         ldap_op = LDAP_MOD_REPLACE;
2311                         entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2312                         dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2313                         if (!dn) {
2314                                 status = NT_STATUS_NO_MEMORY;
2315                                 goto fn_exit;
2316                         }
2317                 }
2318         }
2319
2320         if (num_result == 0) {
2321                 char *escape_username;
2322                 /* Check if we need to add an entry */
2323                 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2324                 ldap_op = LDAP_MOD_ADD;
2325
2326                 escape_username = escape_rdn_val_string_alloc(username);
2327                 if (!escape_username) {
2328                         status = NT_STATUS_NO_MEMORY;
2329                         goto fn_exit;
2330                 }
2331
2332                 if (username[strlen(username)-1] == '$') {
2333                         dn = talloc_asprintf(ctx,
2334                                         "uid=%s,%s",
2335                                         escape_username,
2336                                         lp_ldap_machine_suffix());
2337                 } else {
2338                         dn = talloc_asprintf(ctx,
2339                                         "uid=%s,%s",
2340                                         escape_username,
2341                                         lp_ldap_user_suffix());
2342                 }
2343
2344                 SAFE_FREE(escape_username);
2345                 if (!dn) {
2346                         status = NT_STATUS_NO_MEMORY;
2347                         goto fn_exit;
2348                 }
2349         }
2350
2351         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2352                                 element_is_set_or_changed)) {
2353                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2354                 if (mods != NULL) {
2355                         ldap_mods_free(mods, true);
2356                 }
2357                 goto fn_exit;
2358         }
2359
2360         if (mods == NULL) {
2361                 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2362                 goto fn_exit;
2363         }
2364         switch ( ldap_state->schema_ver ) {
2365                 case SCHEMAVER_SAMBAACCOUNT:
2366                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2367                         break;
2368                 case SCHEMAVER_SAMBASAMACCOUNT:
2369                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2370                         break;
2371                 default:
2372                         DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2373                         break;
2374         }
2375
2376         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2377         if (!NT_STATUS_IS_OK(ret)) {
2378                 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2379                          pdb_get_username(newpwd),dn));
2380                 ldap_mods_free(mods, true);
2381                 goto fn_exit;
2382         }
2383
2384         DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2385         ldap_mods_free(mods, true);
2386
2387         status = NT_STATUS_OK;
2388
2389   fn_exit:
2390
2391         TALLOC_FREE(ctx);
2392         if (result) {
2393                 ldap_msgfree(result);
2394         }
2395         return status;
2396 }
2397
2398 /**********************************************************************
2399  *********************************************************************/
2400
2401 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2402                                      const char *filter,
2403                                      LDAPMessage ** result)
2404 {
2405         int scope = LDAP_SCOPE_SUBTREE;
2406         int rc;
2407         const char **attr_list;
2408
2409         attr_list = get_attr_list(NULL, groupmap_attr_list);
2410         rc = smbldap_search(ldap_state->smbldap_state,
2411                             lp_ldap_suffix (), scope,
2412                             filter, attr_list, 0, result);
2413         TALLOC_FREE(attr_list);
2414
2415         return rc;
2416 }
2417
2418 /**********************************************************************
2419  *********************************************************************/
2420
2421 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2422                                  GROUP_MAP *map, LDAPMessage *entry)
2423 {
2424         char *temp = NULL;
2425         TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2426
2427         if (ldap_state == NULL || map == NULL || entry == NULL ||
2428                         ldap_state->smbldap_state->ldap_struct == NULL) {
2429                 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2430                 TALLOC_FREE(ctx);
2431                 return false;
2432         }
2433
2434         temp = smbldap_talloc_single_attribute(
2435                         ldap_state->smbldap_state->ldap_struct,
2436                         entry,
2437                         get_attr_key2string(groupmap_attr_list,
2438                                 LDAP_ATTR_GIDNUMBER),
2439                         ctx);
2440         if (!temp) {
2441                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2442                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2443                 TALLOC_FREE(ctx);
2444                 return false;
2445         }
2446         DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2447
2448         map->gid = (gid_t)atol(temp);
2449
2450         TALLOC_FREE(temp);
2451         temp = smbldap_talloc_single_attribute(
2452                         ldap_state->smbldap_state->ldap_struct,
2453                         entry,
2454                         get_attr_key2string(groupmap_attr_list,
2455                                 LDAP_ATTR_GROUP_SID),
2456                         ctx);
2457         if (!temp) {
2458                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2459                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2460                 TALLOC_FREE(ctx);
2461                 return false;
2462         }
2463
2464         if (!string_to_sid(&map->sid, temp)) {
2465                 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
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_GROUP_TYPE),
2476                         ctx);
2477         if (!temp) {
2478                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2479                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2480                 TALLOC_FREE(ctx);
2481                 return false;
2482         }
2483         map->sid_name_use = (enum lsa_SidType)atol(temp);
2484
2485         if ((map->sid_name_use < SID_NAME_USER) ||
2486                         (map->sid_name_use > SID_NAME_UNKNOWN)) {
2487                 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2488                 TALLOC_FREE(ctx);
2489                 return false;
2490         }
2491
2492         TALLOC_FREE(temp);
2493         temp = smbldap_talloc_single_attribute(
2494                         ldap_state->smbldap_state->ldap_struct,
2495                         entry,
2496                         get_attr_key2string(groupmap_attr_list,
2497                                 LDAP_ATTR_DISPLAY_NAME),
2498                         ctx);
2499         if (!temp) {
2500                 temp = smbldap_talloc_single_attribute(
2501                                 ldap_state->smbldap_state->ldap_struct,
2502                                 entry,
2503                                 get_attr_key2string(groupmap_attr_list,
2504                                         LDAP_ATTR_CN),
2505                                 ctx);
2506                 if (!temp) {
2507                         DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2508 for gidNumber(%lu)\n",(unsigned long)map->gid));
2509                         TALLOC_FREE(ctx);
2510                         return false;
2511                 }
2512         }
2513         fstrcpy(map->nt_name, temp);
2514
2515         TALLOC_FREE(temp);
2516         temp = smbldap_talloc_single_attribute(
2517                         ldap_state->smbldap_state->ldap_struct,
2518                         entry,
2519                         get_attr_key2string(groupmap_attr_list,
2520                                 LDAP_ATTR_DESC),
2521                         ctx);
2522         if (!temp) {
2523                 temp = talloc_strdup(ctx, "");
2524                 if (!temp) {
2525                         TALLOC_FREE(ctx);
2526                         return false;
2527                 }
2528         }
2529         fstrcpy(map->comment, temp);
2530
2531         if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2532                 store_gid_sid_cache(&map->sid, map->gid);
2533                 idmap_cache_set_sid2gid(&map->sid, map->gid);
2534         }
2535
2536         TALLOC_FREE(ctx);
2537         return true;
2538 }
2539
2540 /**********************************************************************
2541  *********************************************************************/
2542
2543 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2544                                  const char *filter,
2545                                  GROUP_MAP *map)
2546 {
2547         struct ldapsam_privates *ldap_state =
2548                 (struct ldapsam_privates *)methods->private_data;
2549         LDAPMessage *result = NULL;
2550         LDAPMessage *entry = NULL;
2551         int count;
2552
2553         if (ldapsam_search_one_group(ldap_state, filter, &result)
2554             != LDAP_SUCCESS) {
2555                 return NT_STATUS_NO_SUCH_GROUP;
2556         }
2557
2558         count = ldap_count_entries(priv2ld(ldap_state), result);
2559
2560         if (count < 1) {
2561                 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2562                           "%s\n", filter));
2563                 ldap_msgfree(result);
2564                 return NT_STATUS_NO_SUCH_GROUP;
2565         }
2566
2567         if (count > 1) {
2568                 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2569                           "count=%d\n", filter, count));
2570                 ldap_msgfree(result);
2571                 return NT_STATUS_NO_SUCH_GROUP;
2572         }
2573
2574         entry = ldap_first_entry(priv2ld(ldap_state), result);
2575
2576         if (!entry) {
2577                 ldap_msgfree(result);
2578                 return NT_STATUS_UNSUCCESSFUL;
2579         }
2580
2581         if (!init_group_from_ldap(ldap_state, map, entry)) {
2582                 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2583                           "group filter %s\n", filter));
2584                 ldap_msgfree(result);
2585                 return NT_STATUS_NO_SUCH_GROUP;
2586         }
2587
2588         ldap_msgfree(result);
2589         return NT_STATUS_OK;
2590 }
2591
2592 /**********************************************************************
2593  *********************************************************************/
2594
2595 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2596                                  DOM_SID sid)
2597 {
2598         char *filter = NULL;
2599         NTSTATUS status;
2600         fstring tmp;
2601
2602         if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2603                 LDAP_OBJ_GROUPMAP,
2604                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2605                 sid_to_fstring(tmp, &sid)) < 0) {
2606                 return NT_STATUS_NO_MEMORY;
2607         }
2608
2609         status = ldapsam_getgroup(methods, filter, map);
2610         SAFE_FREE(filter);
2611         return status;
2612 }
2613
2614 /**********************************************************************
2615  *********************************************************************/
2616
2617 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2618                                  gid_t gid)
2619 {
2620         char *filter = NULL;
2621         NTSTATUS status;
2622
2623         if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2624                 LDAP_OBJ_GROUPMAP,
2625                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2626                 (unsigned long)gid) < 0) {
2627                 return NT_STATUS_NO_MEMORY;
2628         }
2629
2630         status = ldapsam_getgroup(methods, filter, map);
2631         SAFE_FREE(filter);
2632         return status;
2633 }
2634
2635 /**********************************************************************
2636  *********************************************************************/
2637
2638 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2639                                  const char *name)
2640 {
2641         char *filter = NULL;
2642         char *escape_name = escape_ldap_string(talloc_tos(), name);
2643         NTSTATUS status;
2644
2645         if (!escape_name) {
2646                 return NT_STATUS_NO_MEMORY;
2647         }
2648
2649         if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2650                 LDAP_OBJ_GROUPMAP,
2651                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2652                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2653                 escape_name) < 0) {
2654                 TALLOC_FREE(escape_name);
2655                 return NT_STATUS_NO_MEMORY;
2656         }
2657
2658         TALLOC_FREE(escape_name);
2659         status = ldapsam_getgroup(methods, filter, map);
2660         SAFE_FREE(filter);
2661         return status;
2662 }
2663
2664 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2665                                            LDAPMessage *entry,
2666                                            const DOM_SID *domain_sid,
2667                                            uint32 *rid)
2668 {
2669         fstring str;
2670         DOM_SID sid;
2671
2672         if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2673                                           str, sizeof(str)-1)) {
2674                 DEBUG(10, ("Could not find sambaSID attribute\n"));
2675                 return False;
2676         }
2677
2678         if (!string_to_sid(&sid, str)) {
2679                 DEBUG(10, ("Could not convert string %s to sid\n", str));
2680                 return False;
2681         }
2682
2683         if (sid_compare_domain(&sid, domain_sid) != 0) {
2684                 DEBUG(10, ("SID %s is not in expected domain %s\n",
2685                            str, sid_string_dbg(domain_sid)));
2686                 return False;
2687         }
2688
2689         if (!sid_peek_rid(&sid, rid)) {
2690                 DEBUG(10, ("Could not peek into RID\n"));
2691                 return False;
2692         }
2693
2694         return True;
2695 }
2696
2697 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2698                                            TALLOC_CTX *mem_ctx,
2699                                            const DOM_SID *group,
2700                                            uint32 **pp_member_rids,
2701                                            size_t *p_num_members)
2702 {
2703         struct ldapsam_privates *ldap_state =
2704                 (struct ldapsam_privates *)methods->private_data;
2705         struct smbldap_state *conn = ldap_state->smbldap_state;
2706         const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2707         const char *sid_attrs[] = { "sambaSID", NULL };
2708         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2709         LDAPMessage *result = NULL;
2710         LDAPMessage *entry;
2711         char *filter;
2712         char **values = NULL;
2713         char **memberuid;
2714         char *gidstr;
2715         int rc, count;
2716
2717         *pp_member_rids = NULL;
2718         *p_num_members = 0;
2719
2720         filter = talloc_asprintf(mem_ctx,
2721                                  "(&(objectClass=%s)"
2722                                  "(objectClass=%s)"
2723                                  "(sambaSID=%s))",
2724                                  LDAP_OBJ_POSIXGROUP,
2725                                  LDAP_OBJ_GROUPMAP,
2726                                  sid_string_talloc(mem_ctx, group));
2727         if (filter == NULL) {
2728                 ret = NT_STATUS_NO_MEMORY;
2729                 goto done;
2730         }
2731
2732         rc = smbldap_search(conn, lp_ldap_suffix(),
2733                             LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2734                             &result);
2735
2736         if (rc != LDAP_SUCCESS)
2737                 goto done;
2738
2739         talloc_autofree_ldapmsg(mem_ctx, result);
2740
2741         count = ldap_count_entries(conn->ldap_struct, result);
2742
2743         if (count > 1) {
2744                 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2745                           sid_string_dbg(group)));
2746                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2747                 goto done;
2748         }
2749
2750         if (count == 0) {
2751                 ret = NT_STATUS_NO_SUCH_GROUP;
2752                 goto done;
2753         }
2754
2755         entry = ldap_first_entry(conn->ldap_struct, result);
2756         if (entry == NULL)
2757                 goto done;
2758
2759         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2760         if (!gidstr) {
2761                 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2762                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2763                 goto done;
2764         }
2765
2766         values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2767
2768         if ((values != NULL) && (values[0] != NULL)) {
2769
2770                 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2771                 if (filter == NULL) {
2772                         ret = NT_STATUS_NO_MEMORY;
2773                         goto done;
2774                 }
2775
2776                 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2777                         char *escape_memberuid;
2778
2779                         escape_memberuid = escape_ldap_string(talloc_tos(),
2780                                                               *memberuid);
2781                         if (escape_memberuid == NULL) {
2782                                 ret = NT_STATUS_NO_MEMORY;
2783                                 goto done;
2784                         }
2785
2786                         filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2787                         TALLOC_FREE(escape_memberuid);
2788                         if (filter == NULL) {
2789                                 ret = NT_STATUS_NO_MEMORY;
2790                                 goto done;
2791                         }
2792                 }
2793
2794                 filter = talloc_asprintf_append_buffer(filter, "))");
2795                 if (filter == NULL) {
2796                         ret = NT_STATUS_NO_MEMORY;
2797                         goto done;
2798                 }
2799
2800                 rc = smbldap_search(conn, lp_ldap_suffix(),
2801                                     LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2802                                     &result);
2803
2804                 if (rc != LDAP_SUCCESS)
2805                         goto done;
2806
2807                 count = ldap_count_entries(conn->ldap_struct, result);
2808                 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2809
2810                 talloc_autofree_ldapmsg(mem_ctx, result);
2811
2812                 for (entry = ldap_first_entry(conn->ldap_struct, result);
2813                      entry != NULL;
2814                      entry = ldap_next_entry(conn->ldap_struct, entry))
2815                 {
2816                         char *sidstr;
2817                         DOM_SID sid;
2818                         uint32 rid;
2819
2820                         sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2821                                                                  entry, "sambaSID",
2822                                                                  mem_ctx);
2823                         if (!sidstr) {
2824                                 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2825                                           "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2826                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2827                                 goto done;
2828                         }
2829
2830                         if (!string_to_sid(&sid, sidstr))
2831                                 goto done;
2832
2833                         if (!sid_check_is_in_our_domain(&sid)) {
2834                                 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2835                                           "in our domain\n"));
2836                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2837                                 goto done;
2838                         }
2839
2840                         sid_peek_rid(&sid, &rid);
2841
2842                         if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2843                                                 p_num_members)) {
2844                                 ret = NT_STATUS_NO_MEMORY;
2845                                 goto done;
2846                         }
2847                 }
2848         }
2849
2850         filter = talloc_asprintf(mem_ctx,
2851                                  "(&(objectClass=%s)"
2852                                  "(gidNumber=%s))",
2853                                  LDAP_OBJ_SAMBASAMACCOUNT,
2854                                  gidstr);
2855
2856         rc = smbldap_search(conn, lp_ldap_suffix(),
2857                             LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2858                             &result);
2859
2860         if (rc != LDAP_SUCCESS)
2861                 goto done;
2862
2863         talloc_autofree_ldapmsg(mem_ctx, result);
2864
2865         for (entry = ldap_first_entry(conn->ldap_struct, result);
2866              entry != NULL;
2867              entry = ldap_next_entry(conn->ldap_struct, entry))
2868         {
2869                 uint32 rid;
2870
2871                 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2872                                                     entry,
2873                                                     get_global_sam_sid(),
2874                                                     &rid)) {
2875                         DEBUG(0, ("Severe DB error, %s can't miss the samba SID"                                                                "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2876                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2877                         goto done;
2878                 }
2879
2880                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2881                                         p_num_members)) {
2882                         ret = NT_STATUS_NO_MEMORY;
2883                         goto done;
2884                 }
2885         }
2886
2887         ret = NT_STATUS_OK;
2888
2889  done:
2890
2891         if (values)
2892                 ldap_value_free(values);
2893
2894         return ret;
2895 }
2896
2897 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2898                                                TALLOC_CTX *mem_ctx,
2899                                                struct samu *user,
2900                                                DOM_SID **pp_sids,
2901                                                gid_t **pp_gids,
2902                                                size_t *p_num_groups)
2903 {
2904         struct ldapsam_privates *ldap_state =
2905                 (struct ldapsam_privates *)methods->private_data;
2906         struct smbldap_state *conn = ldap_state->smbldap_state;
2907         char *filter;
2908         const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2909         char *escape_name;
2910         int rc, count;
2911         LDAPMessage *result = NULL;
2912         LDAPMessage *entry;
2913         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2914         size_t num_sids, num_gids;
2915         char *gidstr;
2916         gid_t primary_gid = -1;
2917
2918         *pp_sids = NULL;
2919         num_sids = 0;
2920
2921         if (pdb_get_username(user) == NULL) {
2922                 return NT_STATUS_INVALID_PARAMETER;
2923         }
2924
2925         escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2926         if (escape_name == NULL)
2927                 return NT_STATUS_NO_MEMORY;
2928
2929         if (user->unix_pw) {
2930                 primary_gid = user->unix_pw->pw_gid;
2931         } else {
2932                 /* retrieve the users primary gid */
2933                 filter = talloc_asprintf(mem_ctx,
2934                                          "(&(objectClass=%s)(uid=%s))",
2935                                          LDAP_OBJ_SAMBASAMACCOUNT,
2936                                          escape_name);
2937                 if (filter == NULL) {
2938                         ret = NT_STATUS_NO_MEMORY;
2939                         goto done;
2940                 }
2941
2942                 rc = smbldap_search(conn, lp_ldap_suffix(),
2943                                     LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2944
2945                 if (rc != LDAP_SUCCESS)
2946                         goto done;
2947
2948                 talloc_autofree_ldapmsg(mem_ctx, result);
2949
2950                 count = ldap_count_entries(priv2ld(ldap_state), result);
2951
2952                 switch (count) {
2953                 case 0:
2954                         DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2955                         ret = NT_STATUS_NO_SUCH_USER;
2956                         goto done;
2957                 case 1:
2958                         entry = ldap_first_entry(priv2ld(ldap_state), result);
2959
2960                         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2961                         if (!gidstr) {
2962                                 DEBUG (1, ("Unable to find the member's gid!\n"));
2963                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2964                                 goto done;
2965                         }
2966                         primary_gid = strtoul(gidstr, NULL, 10);
2967                         break;
2968                 default:
2969                         DEBUG(1, ("found more than one account with the same user name ?!\n"));
2970                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2971                         goto done;
2972                 }
2973         }
2974
2975         filter = talloc_asprintf(mem_ctx,
2976                                  "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2977                                  LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2978         if (filter == NULL) {
2979                 ret = NT_STATUS_NO_MEMORY;
2980                 goto done;
2981         }
2982
2983         rc = smbldap_search(conn, lp_ldap_suffix(),
2984                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2985
2986         if (rc != LDAP_SUCCESS)
2987                 goto done;
2988
2989         talloc_autofree_ldapmsg(mem_ctx, result);
2990
2991         num_gids = 0;
2992         *pp_gids = NULL;
2993
2994         num_sids = 0;
2995         *pp_sids = NULL;
2996
2997         /* We need to add the primary group as the first gid/sid */
2998
2999         if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
3000                 ret = NT_STATUS_NO_MEMORY;
3001                 goto done;
3002         }
3003
3004         /* This sid will be replaced later */
3005
3006         ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
3007                               &