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 "passdb.h"
  48 #include "../libcli/auth/libcli_auth.h"
  49 #include "secrets.h"
  50 #include "idmap_cache.h"
  51 #include "../libcli/security/security.h"
  52 #include "../lib/util/util_pw.h"
  53 #include "lib/winbind_util.h"
  54 #include "librpc/gen_ndr/idmap.h"
  55 #include "lib/param/loadparm.h"
  56
  57 #undef DBGC_CLASS
  58 #define DBGC_CLASS DBGC_PASSDB
  59
  60 #include <lber.h>
  61 #include <ldap.h>
  62
  63
  64 #include "smbldap.h"
  65 #include "passdb/pdb_ldap.h"
  66 #include "passdb/pdb_nds.h"
  67 #include "passdb/pdb_ipa.h"
  68 #include "passdb/pdb_ldap_util.h"
  69 #include "passdb/pdb_ldap_schema.h"
  70
  71 /**********************************************************************
  72  Simple helper function to make stuff better readable
  73  **********************************************************************/
  74
  75 LDAP *priv2ld(struct ldapsam_privates *priv)
  76 {
  77         return priv->smbldap_state->ldap_struct;
  78 }
  79
  80 /**********************************************************************
  81  Get the attribute name given a user schame version.
  82  **********************************************************************/
  83
  84 static const char* get_userattr_key2string( int schema_ver, int key )
  85 {
  86         switch ( schema_ver ) {
  87                 case SCHEMAVER_SAMBASAMACCOUNT:
  88                         return get_attr_key2string( attrib_map_v30, key );
  89
  90                 default:
  91                         DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
  92                         break;
  93         }
  94         return NULL;
  95 }
  96
  97 /**********************************************************************
  98  Return the list of attribute names given a user schema version.
  99 **********************************************************************/
 100
 101 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
 102 {
 103         switch ( schema_ver ) {
 104                 case SCHEMAVER_SAMBASAMACCOUNT:
 105                         return get_attr_list( mem_ctx, attrib_map_v30 );
 106                 default:
 107                         DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
 108                         break;
 109         }
 110
 111         return NULL;
 112 }
 113
 114 /**************************************************************************
 115  Return the list of attribute names to delete given a user schema version.
 116 **************************************************************************/
 117
 118 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
 119                                               int schema_ver )
 120 {
 121         switch ( schema_ver ) {
 122                 case SCHEMAVER_SAMBASAMACCOUNT:
 123                         return get_attr_list( mem_ctx,
 124                                               attrib_map_to_delete_v30 );
 125                 default:
 126                         DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
 127                         break;
 128         }
 129
 130         return NULL;
 131 }
 132
 133
 134 /*******************************************************************
 135  Generate the LDAP search filter for the objectclass based on the
 136  version of the schema we are using.
 137 ******************************************************************/
 138
 139 static const char* get_objclass_filter( int schema_ver )
 140 {
 141         fstring objclass_filter;
 142         char *result;
 143
 144         switch( schema_ver ) {
 145                 case SCHEMAVER_SAMBASAMACCOUNT:
 146                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
 147                         break;
 148                 default:
 149                         DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
 150                         objclass_filter[0] = '\0';
 151                         break;
 152         }
 153
 154         result = talloc_strdup(talloc_tos(), objclass_filter);
 155         SMB_ASSERT(result != NULL);
 156         return result;
 157 }
 158
 159 /*****************************************************************
 160  Scan a sequence number off OpenLDAP's syncrepl contextCSN
 161 ******************************************************************/
 162
 163 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
 164 {
 165         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
 166         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
 167         LDAPMessage *msg = NULL;
 168         LDAPMessage *entry = NULL;
 169         TALLOC_CTX *mem_ctx;
 170         char **values = NULL;
 171         int rc, num_result, num_values, rid;
 172         char *suffix = NULL;
 173         char *tok;
 174         const char *p;
 175         const char **attrs;
 176
 177         /* Unfortunatly there is no proper way to detect syncrepl-support in
 178          * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
 179          * but do not show up in the root-DSE yet. Neither we can query the
 180          * subschema-context for the syncProviderSubentry or syncConsumerSubentry
 181          * objectclass. Currently we require lp_ldap_suffix() to show up as
 182          * namingContext.  -  Guenther
 183          */
 184
 185         if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
 186                 return ntstatus;
 187         }
 188
 189         if (!seq_num) {
 190                 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
 191                 return ntstatus;
 192         }
 193
 194         if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix(talloc_tos()))) {
 195                 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
 196                          "as top-level namingContext\n", lp_ldap_suffix(talloc_tos())));
 197                 return ntstatus;
 198         }
 199
 200         mem_ctx = talloc_init("ldapsam_get_seq_num");
 201
 202         if (mem_ctx == NULL)
 203                 return NT_STATUS_NO_MEMORY;
 204
 205         if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) {
 206                 ntstatus = NT_STATUS_NO_MEMORY;
 207                 goto done;
 208         }
 209
 210         /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
 211         rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
 212         if (rid > 0) {
 213
 214                 /* consumer syncreplCookie: */
 215                 /* csn=20050126161620Z#0000001#00#00000 */
 216                 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
 217                 attrs[1] = NULL;
 218                 suffix = talloc_asprintf(mem_ctx,
 219                                 "cn=syncrepl%d,%s", rid, lp_ldap_suffix(talloc_tos()));
 220                 if (!suffix) {
 221                         ntstatus = NT_STATUS_NO_MEMORY;
 222                         goto done;
 223                 }
 224         } else {
 225
 226                 /* provider contextCSN */
 227                 /* 20050126161620Z#000009#00#000000 */
 228                 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
 229                 attrs[1] = NULL;
 230                 suffix = talloc_asprintf(mem_ctx,
 231                                 "cn=ldapsync,%s", lp_ldap_suffix(talloc_tos()));
 232
 233                 if (!suffix) {
 234                         ntstatus = NT_STATUS_NO_MEMORY;
 235                         goto done;
 236                 }
 237         }
 238
 239         rc = smbldap_search(ldap_state->smbldap_state, suffix,
 240                             LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
 241
 242         if (rc != LDAP_SUCCESS) {
 243                 goto done;
 244         }
 245
 246         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
 247         if (num_result != 1) {
 248                 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
 249                 goto done;
 250         }
 251
 252         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
 253         if (entry == NULL) {
 254                 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
 255                 goto done;
 256         }
 257
 258         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
 259         if (values == NULL) {
 260                 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
 261                 goto done;
 262         }
 263
 264         num_values = ldap_count_values(values);
 265         if (num_values == 0) {
 266                 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
 267                 goto done;
 268         }
 269
 270         p = values[0];
 271         if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
 272                 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
 273                 goto done;
 274         }
 275
 276         p = tok;
 277         if (!strncmp(p, "csn=", strlen("csn=")))
 278                 p += strlen("csn=");
 279
 280         DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
 281
 282         *seq_num = generalized_to_unix_time(p);
 283
 284         /* very basic sanity check */
 285         if (*seq_num <= 0) {
 286                 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
 287                         (int)*seq_num));
 288                 goto done;
 289         }
 290
 291         ntstatus = NT_STATUS_OK;
 292
 293  done:
 294         if (values != NULL)
 295                 ldap_value_free(values);
 296         if (msg != NULL)
 297                 ldap_msgfree(msg);
 298         if (mem_ctx)
 299                 talloc_destroy(mem_ctx);
 300
 301         return ntstatus;
 302 }
 303
 304 /*******************************************************************
 305  Run the search by name.
 306 ******************************************************************/
 307
 308 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
 309                                           const char *user,
 310                                           LDAPMessage ** result,
 311                                           const char **attr)
 312 {
 313         char *filter = NULL;
 314         char *escape_user = escape_ldap_string(talloc_tos(), user);
 315         int ret = -1;
 316
 317         if (!escape_user) {
 318                 return LDAP_NO_MEMORY;
 319         }
 320
 321         /*
 322          * in the filter expression, replace %u with the real name
 323          * so in ldap filter, %u MUST exist :-)
 324          */
 325         filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
 326                 get_objclass_filter(ldap_state->schema_ver));
 327         if (!filter) {
 328                 TALLOC_FREE(escape_user);
 329                 return LDAP_NO_MEMORY;
 330         }
 331         /*
 332          * have to use this here because $ is filtered out
 333          * in string_sub
 334          */
 335
 336         filter = talloc_all_string_sub(talloc_tos(),
 337                                 filter, "%u", escape_user);
 338         TALLOC_FREE(escape_user);
 339         if (!filter) {
 340                 return LDAP_NO_MEMORY;
 341         }
 342
 343         ret = smbldap_search_suffix(ldap_state->smbldap_state,
 344                         filter, attr, result);
 345         TALLOC_FREE(filter);
 346         return ret;
 347 }
 348
 349 /*******************************************************************
 350  Run the search by rid.
 351 ******************************************************************/
 352
 353 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
 354                                          uint32_t rid, LDAPMessage ** result,
 355                                          const char **attr)
 356 {
 357         char *filter = NULL;
 358         int rc;
 359
 360         filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
 361                 get_objclass_filter(ldap_state->schema_ver));
 362         if (!filter) {
 363                 return LDAP_NO_MEMORY;
 364         }
 365
 366         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 367                         filter, attr, result);
 368         TALLOC_FREE(filter);
 369         return rc;
 370 }
 371
 372 /*******************************************************************
 373  Run the search by SID.
 374 ******************************************************************/
 375
 376 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
 377                                  const struct dom_sid *sid, LDAPMessage ** result,
 378                                  const char **attr)
 379 {
 380         char *filter = NULL;
 381         int rc;
 382         fstring sid_string;
 383
 384         filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
 385                 get_userattr_key2string(ldap_state->schema_ver,
 386                         LDAP_ATTR_USER_SID),
 387                 sid_to_fstring(sid_string, sid),
 388                 get_objclass_filter(ldap_state->schema_ver));
 389         if (!filter) {
 390                 return LDAP_NO_MEMORY;
 391         }
 392
 393         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 394                         filter, attr, result);
 395
 396         TALLOC_FREE(filter);
 397         return rc;
 398 }
 399
 400 /*******************************************************************
 401  Delete complete object or objectclass and attrs from
 402  object found in search_result depending on lp_ldap_delete_dn
 403 ******************************************************************/
 404
 405 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
 406                                 TALLOC_CTX *mem_ctx,
 407                                 LDAPMessage *entry,
 408                                 const char *objectclass,
 409                                 const char **attrs)
 410 {
 411         LDAPMod **mods = NULL;
 412         char *name;
 413         const char *dn;
 414         BerElement *ptr = NULL;
 415
 416         dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
 417         if (dn == NULL) {
 418                 return LDAP_NO_MEMORY;
 419         }
 420
 421         if (lp_ldap_delete_dn()) {
 422                 return smbldap_delete(priv->smbldap_state, dn);
 423         }
 424
 425         /* Ok, delete only the SAM attributes */
 426
 427         for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
 428              name != NULL;
 429              name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
 430                 const char **attrib;
 431
 432                 /* We are only allowed to delete the attributes that
 433                    really exist. */
 434
 435                 for (attrib = attrs; *attrib != NULL; attrib++) {
 436                         if (strequal(*attrib, name)) {
 437                                 DEBUG(10, ("ldapsam_delete_entry: deleting "
 438                                            "attribute %s\n", name));
 439                                 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
 440                                                 NULL);
 441                         }
 442                 }
 443                 ldap_memfree(name);
 444         }
 445
 446         if (ptr != NULL) {
 447                 ber_free(ptr, 0);
 448         }
 449
 450         smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
 451         talloc_autofree_ldapmod(mem_ctx, mods);
 452
 453         return smbldap_modify(priv->smbldap_state, dn, mods);
 454 }
 455
 456 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
 457 {
 458         char *temp;
 459         struct tm tm;
 460
 461         temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
 462                         get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
 463                         talloc_tos());
 464         if (!temp) {
 465                 return (time_t) 0;
 466         }
 467
 468         if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
 469                 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
 470                         (char*)temp));
 471                 TALLOC_FREE(temp);
 472                 return (time_t) 0;
 473         }
 474         TALLOC_FREE(temp);
 475         tzset();
 476         return timegm(&tm);
 477 }
 478
 479 /**********************************************************************
 480  Initialize struct samu from an LDAP query.
 481  (Based on init_sam_from_buffer in pdb_tdb.c)
 482 *********************************************************************/
 483
 484 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
 485                                 struct samu * sampass,
 486                                 LDAPMessage * entry)
 487 {
 488         time_t  logon_time,
 489                         logoff_time,
 490                         kickoff_time,
 491                         pass_last_set_time,
 492                         pass_can_change_time,
 493                         ldap_entry_time,
 494                         bad_password_time;
 495         char *username = NULL,
 496                         *domain = NULL,
 497                         *nt_username = NULL,
 498                         *fullname = NULL,
 499                         *homedir = NULL,
 500                         *dir_drive = NULL,
 501                         *logon_script = NULL,
 502                         *profile_path = NULL,
 503                         *acct_desc = NULL,
 504                         *workstations = NULL,
 505                         *munged_dial = NULL;
 506         uint32_t                user_rid;
 507         uint8           smblmpwd[LM_HASH_LEN],
 508                         smbntpwd[NT_HASH_LEN];
 509         bool            use_samba_attrs = True;
 510         uint32_t                acct_ctrl = 0;
 511         uint16_t                logon_divs;
 512         uint16_t                bad_password_count = 0,
 513                         logon_count = 0;
 514         uint32_t hours_len;
 515         uint8           hours[MAX_HOURS_LEN];
 516         char *temp = NULL;
 517         struct login_cache cache_entry;
 518         uint32_t                pwHistLen;
 519         bool expand_explicit = lp_passdb_expand_explicit();
 520         bool ret = false;
 521         TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
 522
 523         if (!ctx) {
 524                 return false;
 525         }
 526         if (sampass == NULL || ldap_state == NULL || entry == NULL) {
 527                 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
 528                 goto fn_exit;
 529         }
 530
 531         if (priv2ld(ldap_state) == NULL) {
 532                 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
 533                           "ldap_struct is NULL!\n"));
 534                 goto fn_exit;
 535         }
 536
 537         if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
 538                                         entry,
 539                                         "uid",
 540                                         ctx))) {
 541                 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
 542                           "this user!\n"));
 543                 goto fn_exit;
 544         }
 545
 546         DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
 547
 548         nt_username = talloc_strdup(ctx, username);
 549         if (!nt_username) {
 550                 goto fn_exit;
 551         }
 552
 553         domain = talloc_strdup(ctx, ldap_state->domain_name);
 554         if (!domain) {
 555                 goto fn_exit;
 556         }
 557
 558         pdb_set_username(sampass, username, PDB_SET);
 559
 560         pdb_set_domain(sampass, domain, PDB_DEFAULT);
 561         pdb_set_nt_username(sampass, nt_username, PDB_SET);
 562
 563         /* deal with different attributes between the schema first */
 564
 565         if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
 566                 if ((temp = smbldap_talloc_single_attribute(
 567                                 ldap_state->smbldap_state->ldap_struct,
 568                                 entry,
 569                                 get_userattr_key2string(ldap_state->schema_ver,
 570                                         LDAP_ATTR_USER_SID),
 571                                 ctx))!=NULL) {
 572                         pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
 573                 }
 574         } else {
 575                 if ((temp = smbldap_talloc_single_attribute(
 576                                 ldap_state->smbldap_state->ldap_struct,
 577                                 entry,
 578                                 get_userattr_key2string(ldap_state->schema_ver,
 579                                         LDAP_ATTR_USER_RID),
 580                                 ctx))!=NULL) {
 581                         user_rid = (uint32_t)atol(temp);
 582                         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
 583                 }
 584         }
 585
 586         if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
 587                 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
 588                         get_userattr_key2string(ldap_state->schema_ver,
 589                                 LDAP_ATTR_USER_SID),
 590                         get_userattr_key2string(ldap_state->schema_ver,
 591                                 LDAP_ATTR_USER_RID),
 592                         username));
 593                 return False;
 594         }
 595
 596         temp = smbldap_talloc_single_attribute(
 597                         ldap_state->smbldap_state->ldap_struct,
 598                         entry,
 599                         get_userattr_key2string(ldap_state->schema_ver,
 600                                 LDAP_ATTR_PWD_LAST_SET),
 601                         ctx);
 602         if (temp) {
 603                 pass_last_set_time = (time_t) atol(temp);
 604                 pdb_set_pass_last_set_time(sampass,
 605                                 pass_last_set_time, PDB_SET);
 606         }
 607
 608         temp = smbldap_talloc_single_attribute(
 609                         ldap_state->smbldap_state->ldap_struct,
 610                         entry,
 611                         get_userattr_key2string(ldap_state->schema_ver,
 612                                 LDAP_ATTR_LOGON_TIME),
 613                         ctx);
 614         if (temp) {
 615                 logon_time = (time_t) atol(temp);
 616                 pdb_set_logon_time(sampass, logon_time, PDB_SET);
 617         }
 618
 619         temp = smbldap_talloc_single_attribute(
 620                         ldap_state->smbldap_state->ldap_struct,
 621                         entry,
 622                         get_userattr_key2string(ldap_state->schema_ver,
 623                                 LDAP_ATTR_LOGOFF_TIME),
 624                         ctx);
 625         if (temp) {
 626                 logoff_time = (time_t) atol(temp);
 627                 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
 628         }
 629
 630         temp = smbldap_talloc_single_attribute(
 631                         ldap_state->smbldap_state->ldap_struct,
 632                         entry,
 633                         get_userattr_key2string(ldap_state->schema_ver,
 634                                 LDAP_ATTR_KICKOFF_TIME),
 635                         ctx);
 636         if (temp) {
 637                 kickoff_time = (time_t) atol(temp);
 638                 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
 639         }
 640
 641         temp = smbldap_talloc_single_attribute(
 642                         ldap_state->smbldap_state->ldap_struct,
 643                         entry,
 644                         get_userattr_key2string(ldap_state->schema_ver,
 645                                 LDAP_ATTR_PWD_CAN_CHANGE),
 646                         ctx);
 647         if (temp) {
 648                 pass_can_change_time = (time_t) atol(temp);
 649                 pdb_set_pass_can_change_time(sampass,
 650                                 pass_can_change_time, PDB_SET);
 651         }
 652
 653         /* recommend that 'gecos' and 'displayName' should refer to the same
 654          * attribute OID.  userFullName depreciated, only used by Samba
 655          * primary rules of LDAP: don't make a new attribute when one is already defined
 656          * that fits your needs; using cn then displayName rather than 'userFullName'
 657          */
 658
 659         fullname = smbldap_talloc_single_attribute(
 660                         ldap_state->smbldap_state->ldap_struct,
 661                         entry,
 662                         get_userattr_key2string(ldap_state->schema_ver,
 663                                 LDAP_ATTR_DISPLAY_NAME),
 664                         ctx);
 665         if (fullname) {
 666                 pdb_set_fullname(sampass, fullname, PDB_SET);
 667         } else {
 668                 fullname = smbldap_talloc_single_attribute(
 669                                 ldap_state->smbldap_state->ldap_struct,
 670                                 entry,
 671                                 get_userattr_key2string(ldap_state->schema_ver,
 672                                         LDAP_ATTR_CN),
 673                                 ctx);
 674                 if (fullname) {
 675                         pdb_set_fullname(sampass, fullname, PDB_SET);
 676                 }
 677         }
 678
 679         dir_drive = smbldap_talloc_single_attribute(
 680                         ldap_state->smbldap_state->ldap_struct,
 681                         entry,
 682                         get_userattr_key2string(ldap_state->schema_ver,
 683                                 LDAP_ATTR_HOME_DRIVE),
 684                         ctx);
 685         if (dir_drive) {
 686                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
 687         } else {
 688                 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
 689         }
 690
 691         homedir = smbldap_talloc_single_attribute(
 692                         ldap_state->smbldap_state->ldap_struct,
 693                         entry,
 694                         get_userattr_key2string(ldap_state->schema_ver,
 695                                 LDAP_ATTR_HOME_PATH),
 696                         ctx);
 697         if (homedir) {
 698                 if (expand_explicit) {
 699                         homedir = talloc_sub_basic(ctx,
 700                                                 username,
 701                                                 domain,
 702                                                 homedir);
 703                         if (!homedir) {
 704                                 goto fn_exit;
 705                         }
 706                 }
 707                 pdb_set_homedir(sampass, homedir, PDB_SET);
 708         } else {
 709                 pdb_set_homedir(sampass,
 710                         talloc_sub_basic(ctx, username, domain,
 711                                          lp_logon_home()),
 712                         PDB_DEFAULT);
 713         }
 714
 715         logon_script = smbldap_talloc_single_attribute(
 716                         ldap_state->smbldap_state->ldap_struct,
 717                         entry,
 718                         get_userattr_key2string(ldap_state->schema_ver,
 719                                 LDAP_ATTR_LOGON_SCRIPT),
 720                         ctx);
 721         if (logon_script) {
 722                 if (expand_explicit) {
 723                         logon_script = talloc_sub_basic(ctx,
 724                                                 username,
 725                                                 domain,
 726                                                 logon_script);
 727                         if (!logon_script) {
 728                                 goto fn_exit;
 729                         }
 730                 }
 731                 pdb_set_logon_script(sampass, logon_script, PDB_SET);
 732         } else {
 733                 pdb_set_logon_script(sampass,
 734                         talloc_sub_basic(ctx, username, domain,
 735                                          lp_logon_script()),
 736                         PDB_DEFAULT );
 737         }
 738
 739         profile_path = smbldap_talloc_single_attribute(
 740                         ldap_state->smbldap_state->ldap_struct,
 741                         entry,
 742                         get_userattr_key2string(ldap_state->schema_ver,
 743                                 LDAP_ATTR_PROFILE_PATH),
 744                         ctx);
 745         if (profile_path) {
 746                 if (expand_explicit) {
 747                         profile_path = talloc_sub_basic(ctx,
 748                                                 username,
 749                                                 domain,
 750                                                 profile_path);
 751                         if (!profile_path) {
 752                                 goto fn_exit;
 753                         }
 754                 }
 755                 pdb_set_profile_path(sampass, profile_path, PDB_SET);
 756         } else {
 757                 pdb_set_profile_path(sampass,
 758                         talloc_sub_basic(ctx, username, domain,
 759                                           lp_logon_path()),
 760                         PDB_DEFAULT );
 761         }
 762
 763         acct_desc = smbldap_talloc_single_attribute(
 764                         ldap_state->smbldap_state->ldap_struct,
 765                         entry,
 766                         get_userattr_key2string(ldap_state->schema_ver,
 767                                 LDAP_ATTR_DESC),
 768                         ctx);
 769         if (acct_desc) {
 770                 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
 771         }
 772
 773         workstations = smbldap_talloc_single_attribute(
 774                         ldap_state->smbldap_state->ldap_struct,
 775                         entry,
 776                         get_userattr_key2string(ldap_state->schema_ver,
 777                                 LDAP_ATTR_USER_WKS),
 778                         ctx);
 779         if (workstations) {
 780                 pdb_set_workstations(sampass, workstations, PDB_SET);
 781         }
 782
 783         munged_dial = smbldap_talloc_single_attribute(
 784                         ldap_state->smbldap_state->ldap_struct,
 785                         entry,
 786                         get_userattr_key2string(ldap_state->schema_ver,
 787                                 LDAP_ATTR_MUNGED_DIAL),
 788                         ctx);
 789         if (munged_dial) {
 790                 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
 791         }
 792
 793         /* FIXME: hours stuff should be cleaner */
 794
 795         logon_divs = 168;
 796         hours_len = 21;
 797         memset(hours, 0xff, hours_len);
 798
 799         if (ldap_state->is_nds_ldap) {
 800                 char *user_dn;
 801                 size_t pwd_len;
 802                 char clear_text_pw[512];
 803
 804                 /* Make call to Novell eDirectory ldap extension to get clear text password.
 805                         NOTE: This will only work if we have an SSL connection to eDirectory. */
 806                 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
 807                 if (user_dn != NULL) {
 808                         DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
 809
 810                         pwd_len = sizeof(clear_text_pw);
 811                         if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
 812                                 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
 813                                 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 814                                         TALLOC_FREE(user_dn);
 815                                         return False;
 816                                 }
 817                                 ZERO_STRUCT(smblmpwd);
 818                                 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 819                                         TALLOC_FREE(user_dn);
 820                                         return False;
 821                                 }
 822                                 ZERO_STRUCT(smbntpwd);
 823                                 use_samba_attrs = False;
 824                         }
 825
 826                         TALLOC_FREE(user_dn);
 827
 828                 } else {
 829                         DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
 830                 }
 831         }
 832
 833         if (use_samba_attrs) {
 834                 temp = smbldap_talloc_single_attribute(
 835                                 ldap_state->smbldap_state->ldap_struct,
 836                                 entry,
 837                                 get_userattr_key2string(ldap_state->schema_ver,
 838                                         LDAP_ATTR_LMPW),
 839                                 ctx);
 840                 if (temp) {
 841                         pdb_gethexpwd(temp, smblmpwd);
 842                         memset((char *)temp, '\0', strlen(temp)+1);
 843                         if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 844                                 goto fn_exit;
 845                         }
 846                         ZERO_STRUCT(smblmpwd);
 847                 }
 848
 849                 temp = smbldap_talloc_single_attribute(
 850                                 ldap_state->smbldap_state->ldap_struct,
 851                                 entry,
 852                                 get_userattr_key2string(ldap_state->schema_ver,
 853                                         LDAP_ATTR_NTPW),
 854                                 ctx);
 855                 if (temp) {
 856                         pdb_gethexpwd(temp, smbntpwd);
 857                         memset((char *)temp, '\0', strlen(temp)+1);
 858                         if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 859                                 goto fn_exit;
 860                         }
 861                         ZERO_STRUCT(smbntpwd);
 862                 }
 863         }
 864
 865         pwHistLen = 0;
 866
 867         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
 868         if (pwHistLen > 0){
 869                 uint8 *pwhist = NULL;
 870                 int i;
 871                 char *history_string = talloc_array(ctx, char,
 872                                                 MAX_PW_HISTORY_LEN*64);
 873
 874                 if (!history_string) {
 875                         goto fn_exit;
 876                 }
 877
 878                 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
 879
 880                 pwhist = talloc_array(ctx, uint8,
 881                                       pwHistLen * PW_HISTORY_ENTRY_LEN);
 882                 if (pwhist == NULL) {
 883                         DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
 884                         goto fn_exit;
 885                 }
 886                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 887
 888                 if (smbldap_get_single_attribute(
 889                                 ldap_state->smbldap_state->ldap_struct,
 890                                 entry,
 891                                 get_userattr_key2string(ldap_state->schema_ver,
 892                                         LDAP_ATTR_PWD_HISTORY),
 893                                 history_string,
 894                                 MAX_PW_HISTORY_LEN*64)) {
 895                         bool hex_failed = false;
 896                         for (i = 0; i < pwHistLen; i++){
 897                                 /* Get the 16 byte salt. */
 898                                 if (!pdb_gethexpwd(&history_string[i*64],
 899                                         &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
 900                                         hex_failed = true;
 901                                         break;
 902                                 }
 903                                 /* Get the 16 byte MD5 hash of salt+passwd. */
 904                                 if (!pdb_gethexpwd(&history_string[(i*64)+32],
 905                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
 906                                                 PW_HISTORY_SALT_LEN])) {
 907                                         hex_failed = True;
 908                                         break;
 909                                 }
 910                         }
 911                         if (hex_failed) {
 912                                 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
 913                                         username));
 914                                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 915                         }
 916                 }
 917                 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
 918                         goto fn_exit;
 919                 }
 920         }
 921
 922         temp = smbldap_talloc_single_attribute(
 923                         ldap_state->smbldap_state->ldap_struct,
 924                         entry,
 925                         get_userattr_key2string(ldap_state->schema_ver,
 926                                 LDAP_ATTR_ACB_INFO),
 927                         ctx);
 928         if (temp) {
 929                 acct_ctrl = pdb_decode_acct_ctrl(temp);
 930
 931                 if (acct_ctrl == 0) {
 932                         acct_ctrl |= ACB_NORMAL;
 933                 }
 934
 935                 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
 936         } else {
 937                 acct_ctrl |= ACB_NORMAL;
 938         }
 939
 940         pdb_set_hours_len(sampass, hours_len, PDB_SET);
 941         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
 942
 943         temp = smbldap_talloc_single_attribute(
 944                         ldap_state->smbldap_state->ldap_struct,
 945                         entry,
 946                         get_userattr_key2string(ldap_state->schema_ver,
 947                                 LDAP_ATTR_BAD_PASSWORD_COUNT),
 948                         ctx);
 949         if (temp) {
 950                 bad_password_count = (uint32_t) atol(temp);
 951                 pdb_set_bad_password_count(sampass,
 952                                 bad_password_count, PDB_SET);
 953         }
 954
 955         temp = smbldap_talloc_single_attribute(
 956                         ldap_state->smbldap_state->ldap_struct,
 957                         entry,
 958                         get_userattr_key2string(ldap_state->schema_ver,
 959                                 LDAP_ATTR_BAD_PASSWORD_TIME),
 960                         ctx);
 961         if (temp) {
 962                 bad_password_time = (time_t) atol(temp);
 963                 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
 964         }
 965
 966
 967         temp = smbldap_talloc_single_attribute(
 968                         ldap_state->smbldap_state->ldap_struct,
 969                         entry,
 970                         get_userattr_key2string(ldap_state->schema_ver,
 971                                 LDAP_ATTR_LOGON_COUNT),
 972                         ctx);
 973         if (temp) {
 974                 logon_count = (uint32_t) atol(temp);
 975                 pdb_set_logon_count(sampass, logon_count, PDB_SET);
 976         }
 977
 978         /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
 979
 980         temp = smbldap_talloc_single_attribute(
 981                         ldap_state->smbldap_state->ldap_struct,
 982                         entry,
 983                         get_userattr_key2string(ldap_state->schema_ver,
 984                                 LDAP_ATTR_LOGON_HOURS),
 985                         ctx);
 986         if (temp) {
 987                 pdb_gethexhours(temp, hours);
 988                 memset((char *)temp, '\0', strlen(temp) +1);
 989                 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
 990                 ZERO_STRUCT(hours);
 991         }
 992
 993         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
 994                 struct passwd unix_pw;
 995                 bool have_uid = false;
 996                 bool have_gid = false;
 997                 struct dom_sid mapped_gsid;
 998                 const struct dom_sid *primary_gsid;
 999                 struct unixid id;
1000
1001                 ZERO_STRUCT(unix_pw);
1002
1003                 unix_pw.pw_name = username;
1004                 unix_pw.pw_passwd = discard_const_p(char, "x");
1005
1006                 temp = smbldap_talloc_single_attribute(
1007                                 priv2ld(ldap_state),
1008                                 entry,
1009                                 "uidNumber",
1010                                 ctx);
1011                 if (temp) {
1012                         /* We've got a uid, feed the cache */
1013                         unix_pw.pw_uid = strtoul(temp, NULL, 10);
1014                         have_uid = true;
1015                 }
1016                 temp = smbldap_talloc_single_attribute(
1017                                 priv2ld(ldap_state),
1018                                 entry,
1019                                 "gidNumber",
1020                                 ctx);
1021                 if (temp) {
1022                         /* We've got a uid, feed the cache */
1023                         unix_pw.pw_gid = strtoul(temp, NULL, 10);
1024                         have_gid = true;
1025                 }
1026                 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1027                                 priv2ld(ldap_state),
1028                                 entry,
1029                                 "gecos",
1030                                 ctx);
1031                 if (unix_pw.pw_gecos) {
1032                         unix_pw.pw_gecos = fullname;
1033                 }
1034                 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1035                                 priv2ld(ldap_state),
1036                                 entry,
1037                                 "homeDirectory",
1038                                 ctx);
1039                 if (unix_pw.pw_dir) {
1040                         unix_pw.pw_dir = discard_const_p(char, "");
1041                 }
1042                 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1043                                 priv2ld(ldap_state),
1044                                 entry,
1045                                 "loginShell",
1046                                 ctx);
1047                 if (unix_pw.pw_shell) {
1048                         unix_pw.pw_shell = discard_const_p(char, "");
1049                 }
1050
1051                 if (have_uid && have_gid) {
1052                         sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1053                 } else {
1054                         sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1055                 }
1056
1057                 if (sampass->unix_pw == NULL) {
1058                         DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1059                                  pdb_get_username(sampass)));
1060                         goto fn_exit;
1061                 }
1062
1063                 id.id = sampass->unix_pw->pw_uid;
1064                 id.type = ID_TYPE_UID;
1065
1066                 idmap_cache_set_sid2unixid(pdb_get_user_sid(sampass), &id);
1067
1068                 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1069                 primary_gsid = pdb_get_group_sid(sampass);
1070                 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1071                         id.id = sampass->unix_pw->pw_gid;
1072                         id.type = ID_TYPE_GID;
1073
1074                         idmap_cache_set_sid2unixid(primary_gsid, &id);
1075                 }
1076         }
1077
1078         /* check the timestamp of the cache vs ldap entry */
1079         if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1080                                                             entry))) {
1081                 ret = true;
1082                 goto fn_exit;
1083         }
1084
1085         /* see if we have newer updates */
1086         if (!login_cache_read(sampass, &cache_entry)) {
1087                 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1088                            (unsigned int)pdb_get_bad_password_count(sampass),
1089                            (unsigned int)pdb_get_bad_password_time(sampass)));
1090                 ret = true;
1091                 goto fn_exit;
1092         }
1093
1094         DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1095                   (unsigned int)ldap_entry_time,
1096                   (unsigned int)cache_entry.entry_timestamp,
1097                   (unsigned int)cache_entry.bad_password_time));
1098
1099         if (ldap_entry_time > cache_entry.entry_timestamp) {
1100                 /* cache is older than directory , so
1101                    we need to delete the entry but allow the
1102                    fields to be written out */
1103                 login_cache_delentry(sampass);
1104         } else {
1105                 /* read cache in */
1106                 pdb_set_acct_ctrl(sampass,
1107                                   pdb_get_acct_ctrl(sampass) |
1108                                   (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1109                                   PDB_SET);
1110                 pdb_set_bad_password_count(sampass,
1111                                            cache_entry.bad_password_count,
1112                                            PDB_SET);
1113                 pdb_set_bad_password_time(sampass,
1114                                           cache_entry.bad_password_time,
1115                                           PDB_SET);
1116         }
1117
1118         ret = true;
1119
1120   fn_exit:
1121
1122         TALLOC_FREE(ctx);
1123         return ret;
1124 }
1125
1126 /**********************************************************************
1127  Initialize the ldap db from a struct samu. Called on update.
1128  (Based on init_buffer_from_sam in pdb_tdb.c)
1129 *********************************************************************/
1130
1131 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1132                                 LDAPMessage *existing,
1133                                 LDAPMod *** mods, struct samu * sampass,
1134                                 bool (*need_update)(const struct samu *,
1135                                                     enum pdb_elements))
1136 {
1137         char *temp = NULL;
1138
1139         if (mods == NULL || sampass == NULL) {
1140                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1141                 return False;
1142         }
1143
1144         *mods = NULL;
1145
1146         /*
1147          * took out adding "objectclass: sambaAccount"
1148          * do this on a per-mod basis
1149          */
1150         if (need_update(sampass, PDB_USERNAME)) {
1151                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1152                               "uid", pdb_get_username(sampass));
1153                 if (ldap_state->is_nds_ldap) {
1154                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155                                       "cn", pdb_get_username(sampass));
1156                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1157                                       "sn", pdb_get_username(sampass));
1158                 }
1159         }
1160
1161         DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1162
1163         /* only update the RID if we actually need to */
1164         if (need_update(sampass, PDB_USERSID)) {
1165                 fstring sid_string;
1166                 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1167
1168                 switch ( ldap_state->schema_ver ) {
1169                         case SCHEMAVER_SAMBASAMACCOUNT:
1170                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1172                                         sid_to_fstring(sid_string, user_sid));
1173                                 break;
1174
1175                         default:
1176                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1177                                 break;
1178                 }
1179         }
1180
1181         /* we don't need to store the primary group RID - so leaving it
1182            'free' to hang off the unix primary group makes life easier */
1183
1184         if (need_update(sampass, PDB_GROUPSID)) {
1185                 fstring sid_string;
1186                 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1187
1188                 switch ( ldap_state->schema_ver ) {
1189                         case SCHEMAVER_SAMBASAMACCOUNT:
1190                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1191                                         get_userattr_key2string(ldap_state->schema_ver,
1192                                         LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1193                                 break;
1194
1195                         default:
1196                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1197                                 break;
1198                 }
1199
1200         }
1201
1202         /* displayName, cn, and gecos should all be the same
1203          *  most easily accomplished by giving them the same OID
1204          *  gecos isn't set here b/c it should be handled by the
1205          *  add-user script
1206          *  We change displayName only and fall back to cn if
1207          *  it does not exist.
1208          */
1209
1210         if (need_update(sampass, PDB_FULLNAME))
1211                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1212                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1213                         pdb_get_fullname(sampass));
1214
1215         if (need_update(sampass, PDB_ACCTDESC))
1216                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1217                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1218                         pdb_get_acct_desc(sampass));
1219
1220         if (need_update(sampass, PDB_WORKSTATIONS))
1221                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1222                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1223                         pdb_get_workstations(sampass));
1224
1225         if (need_update(sampass, PDB_MUNGEDDIAL))
1226                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1227                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1228                         pdb_get_munged_dial(sampass));
1229
1230         if (need_update(sampass, PDB_SMBHOME))
1231                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1232                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1233                         pdb_get_homedir(sampass));
1234
1235         if (need_update(sampass, PDB_DRIVE))
1236                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1237                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1238                         pdb_get_dir_drive(sampass));
1239
1240         if (need_update(sampass, PDB_LOGONSCRIPT))
1241                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1242                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1243                         pdb_get_logon_script(sampass));
1244
1245         if (need_update(sampass, PDB_PROFILE))
1246                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1247                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1248                         pdb_get_profile_path(sampass));
1249
1250         if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1251                 return false;
1252         }
1253         if (need_update(sampass, PDB_LOGONTIME))
1254                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1255                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1256         SAFE_FREE(temp);
1257
1258         if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1259                 return false;
1260         }
1261         if (need_update(sampass, PDB_LOGOFFTIME))
1262                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1263                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1264         SAFE_FREE(temp);
1265
1266         if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1267                 return false;
1268         }
1269         if (need_update(sampass, PDB_KICKOFFTIME))
1270                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1271                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1272         SAFE_FREE(temp);
1273
1274         if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1275                 return false;
1276         }
1277         if (need_update(sampass, PDB_CANCHANGETIME))
1278                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1279                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1280         SAFE_FREE(temp);
1281
1282         if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1283                         || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1284
1285                 if (need_update(sampass, PDB_LMPASSWD)) {
1286                         const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1287                         if (lm_pw) {
1288                                 char pwstr[34];
1289                                 pdb_sethexpwd(pwstr, lm_pw,
1290                                               pdb_get_acct_ctrl(sampass));
1291                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1292                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1293                                                  pwstr);
1294                         } else {
1295                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1297                                                  NULL);
1298                         }
1299                 }
1300                 if (need_update(sampass, PDB_NTPASSWD)) {
1301                         const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1302                         if (nt_pw) {
1303                                 char pwstr[34];
1304                                 pdb_sethexpwd(pwstr, nt_pw,
1305                                               pdb_get_acct_ctrl(sampass));
1306                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1307                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1308                                                  pwstr);
1309                         } else {
1310                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1311                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1312                                                  NULL);
1313                         }
1314                 }
1315
1316                 if (need_update(sampass, PDB_PWHISTORY)) {
1317                         char *pwstr = NULL;
1318                         uint32_t pwHistLen = 0;
1319                         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1320
1321                         pwstr = SMB_MALLOC_ARRAY(char, 1024);
1322                         if (!pwstr) {
1323                                 return false;
1324                         }
1325                         if (pwHistLen == 0) {
1326                                 /* Remove any password history from the LDAP store. */
1327                                 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1328                                 pwstr[64] = '\0';
1329                         } else {
1330                                 int i;
1331                                 uint32_t currHistLen = 0;
1332                                 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1333                                 if (pwhist != NULL) {
1334                                         /* We can only store (1024-1/64 password history entries. */
1335                                         pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1336                                         for (i=0; i< pwHistLen && i < currHistLen; i++) {
1337                                                 /* Store the salt. */
1338                                                 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1339                                                 /* Followed by the md5 hash of salt + md4 hash */
1340                                                 pdb_sethexpwd(&pwstr[(i*64)+32],
1341                                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1342                                                 DEBUG(100, ("pwstr=%s\n", pwstr));
1343                                         }
1344                                 }
1345                         }
1346                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1347                                          get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1348                                          pwstr);
1349                         SAFE_FREE(pwstr);
1350                 }
1351
1352                 if (need_update(sampass, PDB_PASSLASTSET)) {
1353                         if (asprintf(&temp, "%li",
1354                                 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1355                                 return false;
1356                         }
1357                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1359                                 temp);
1360                         SAFE_FREE(temp);
1361                 }
1362         }
1363
1364         if (need_update(sampass, PDB_HOURS)) {
1365                 const uint8 *hours = pdb_get_hours(sampass);
1366                 if (hours) {
1367                         char hourstr[44];
1368                         pdb_sethexhours(hourstr, hours);
1369                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1370                                 existing,
1371                                 mods,
1372                                 get_userattr_key2string(ldap_state->schema_ver,
1373                                                 LDAP_ATTR_LOGON_HOURS),
1374                                 hourstr);
1375                 }
1376         }
1377
1378         if (need_update(sampass, PDB_ACCTCTRL))
1379                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1380                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1381                         pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1382
1383         /* password lockout cache:
1384            - If we are now autolocking or clearing, we write to ldap
1385            - If we are clearing, we delete the cache entry
1386            - If the count is > 0, we update the cache
1387
1388            This even means when autolocking, we cache, just in case the
1389            update doesn't work, and we have to cache the autolock flag */
1390
1391         if (need_update(sampass, PDB_BAD_PASSWORD_COUNT))  /* &&
1392             need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1393                 uint16_t badcount = pdb_get_bad_password_count(sampass);
1394                 time_t badtime = pdb_get_bad_password_time(sampass);
1395                 uint32_t pol;
1396                 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1397
1398                 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1399                         (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1400
1401                 if ((badcount >= pol) || (badcount == 0)) {
1402                         DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1403                                 (unsigned int)badcount, (unsigned int)badtime));
1404                         if (asprintf(&temp, "%li", (long)badcount) < 0) {
1405                                 return false;
1406                         }
1407                         smbldap_make_mod(
1408                                 ldap_state->smbldap_state->ldap_struct,
1409                                 existing, mods,
1410                                 get_userattr_key2string(
1411                                         ldap_state->schema_ver,
1412                                         LDAP_ATTR_BAD_PASSWORD_COUNT),
1413                                 temp);
1414                         SAFE_FREE(temp);
1415
1416                         if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1417                                 return false;
1418                         }
1419                         smbldap_make_mod(
1420                                 ldap_state->smbldap_state->ldap_struct,
1421                                 existing, mods,
1422                                 get_userattr_key2string(
1423                                         ldap_state->schema_ver,
1424                                         LDAP_ATTR_BAD_PASSWORD_TIME),
1425                                 temp);
1426                         SAFE_FREE(temp);
1427                 }
1428                 if (badcount == 0) {
1429                         DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1430                         login_cache_delentry(sampass);
1431                 } else {
1432                         struct login_cache cache_entry;
1433
1434                         cache_entry.entry_timestamp = time(NULL);
1435                         cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1436                         cache_entry.bad_password_count = badcount;
1437                         cache_entry.bad_password_time = badtime;
1438
1439                         DEBUG(7, ("Updating bad password count and time in login cache\n"));
1440                         login_cache_write(sampass, &cache_entry);
1441                 }
1442         }
1443
1444         return True;
1445 }
1446
1447 /**********************************************************************
1448  End enumeration of the LDAP password list.
1449 *********************************************************************/
1450
1451 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1452 {
1453         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1454         if (ldap_state->result) {
1455                 ldap_msgfree(ldap_state->result);
1456                 ldap_state->result = NULL;
1457         }
1458 }
1459
1460 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1461                         const char *new_attr)
1462 {
1463         int i;
1464
1465         if (new_attr == NULL) {
1466                 return;
1467         }
1468
1469         for (i=0; (*attr_list)[i] != NULL; i++) {
1470                 ;
1471         }
1472
1473         (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1474                                             const char *,  i+2);
1475         SMB_ASSERT((*attr_list) != NULL);
1476         (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1477         (*attr_list)[i+1] = NULL;
1478 }
1479
1480 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1481                                         const char ***attr_list)
1482 {
1483         append_attr(mem_ctx, attr_list, "uidNumber");
1484         append_attr(mem_ctx, attr_list, "gidNumber");
1485         append_attr(mem_ctx, attr_list, "homeDirectory");
1486         append_attr(mem_ctx, attr_list, "loginShell");
1487         append_attr(mem_ctx, attr_list, "gecos");
1488 }
1489
1490 /**********************************************************************
1491 Get struct samu entry from LDAP by username.
1492 *********************************************************************/
1493
1494 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1495 {
1496         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1497         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1498         LDAPMessage *result = NULL;
1499         LDAPMessage *entry = NULL;
1500         int count;
1501         const char ** attr_list;
1502         int rc;
1503
1504         attr_list = get_userattr_list( user, ldap_state->schema_ver );
1505         append_attr(user, &attr_list,
1506                     get_userattr_key2string(ldap_state->schema_ver,
1507                                             LDAP_ATTR_MOD_TIMESTAMP));
1508         ldapsam_add_unix_attributes(user, &attr_list);
1509         rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1510                                            attr_list);
1511         TALLOC_FREE( attr_list );
1512
1513         if ( rc != LDAP_SUCCESS )
1514                 return NT_STATUS_NO_SUCH_USER;
1515
1516         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1517
1518         if (count < 1) {
1519                 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1520                 ldap_msgfree(result);
1521                 return NT_STATUS_NO_SUCH_USER;
1522         } else if (count > 1) {
1523                 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1524                 ldap_msgfree(result);
1525                 return NT_STATUS_NO_SUCH_USER;
1526         }
1527
1528         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1529         if (entry) {
1530                 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1531                         DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1532                         ldap_msgfree(result);
1533                         return NT_STATUS_NO_SUCH_USER;
1534                 }
1535                 pdb_set_backend_private_data(user, result, NULL,
1536                                              my_methods, PDB_CHANGED);
1537                 talloc_autofree_ldapmsg(user, result);
1538                 ret = NT_STATUS_OK;
1539         } else {
1540                 ldap_msgfree(result);
1541         }
1542         return ret;
1543 }
1544
1545 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1546                                    const struct dom_sid *sid, LDAPMessage **result)
1547 {
1548         int rc = -1;
1549         const char ** attr_list;
1550
1551         switch ( ldap_state->schema_ver ) {
1552                 case SCHEMAVER_SAMBASAMACCOUNT: {
1553                         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1554                         if (tmp_ctx == NULL) {
1555                                 return LDAP_NO_MEMORY;
1556                         }
1557
1558                         attr_list = get_userattr_list(tmp_ctx,
1559                                                       ldap_state->schema_ver);
1560                         append_attr(tmp_ctx, &attr_list,
1561                                     get_userattr_key2string(
1562                                             ldap_state->schema_ver,
1563                                             LDAP_ATTR_MOD_TIMESTAMP));
1564                         ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1565                         rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1566                                                           result, attr_list);
1567                         TALLOC_FREE(tmp_ctx);
1568
1569                         if ( rc != LDAP_SUCCESS )
1570                                 return rc;
1571                         break;
1572                 }
1573
1574                 default:
1575                         DEBUG(0,("Invalid schema version specified\n"));
1576                         break;
1577         }
1578         return rc;
1579 }
1580
1581 /**********************************************************************
1582  Get struct samu entry from LDAP by SID.
1583 *********************************************************************/
1584
1585 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1586 {
1587         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1588         LDAPMessage *result = NULL;
1589         LDAPMessage *entry = NULL;
1590         int count;
1591         int rc;
1592
1593         rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1594                                           sid, &result);
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_getsampwsid: Unable to locate SID [%s] "
1602                           "count=%d\n", sid_string_dbg(sid), count));
1603                 ldap_msgfree(result);
1604                 return NT_STATUS_NO_SUCH_USER;
1605         }  else if (count > 1) {
1606                 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1607                           "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1608                           count));
1609                 ldap_msgfree(result);
1610                 return NT_STATUS_NO_SUCH_USER;
1611         }
1612
1613         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1614         if (!entry) {
1615                 ldap_msgfree(result);
1616                 return NT_STATUS_NO_SUCH_USER;
1617         }
1618
1619         if (!init_sam_from_ldap(ldap_state, user, entry)) {
1620                 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1621                 ldap_msgfree(result);
1622                 return NT_STATUS_NO_SUCH_USER;
1623         }
1624
1625         pdb_set_backend_private_data(user, result, NULL,
1626                                      my_methods, PDB_CHANGED);
1627         talloc_autofree_ldapmsg(user, result);
1628         return NT_STATUS_OK;
1629 }
1630
1631 /********************************************************************
1632  Do the actual modification - also change a plaintext passord if
1633  it it set.
1634 **********************************************************************/
1635
1636 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1637                                      struct samu *newpwd, char *dn,
1638                                      LDAPMod **mods, int ldap_op,
1639                                      bool (*need_update)(const struct samu *, enum pdb_elements))
1640 {
1641         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1642         int rc;
1643
1644         if (!newpwd || !dn) {
1645                 return NT_STATUS_INVALID_PARAMETER;
1646         }
1647
1648         if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1649                         (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1650                         need_update(newpwd, PDB_PLAINTEXT_PW) &&
1651                         (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1652                 BerElement *ber;
1653                 struct berval *bv;
1654                 char *retoid = NULL;
1655                 struct berval *retdata = NULL;
1656                 char *utf8_password;
1657                 char *utf8_dn;
1658                 size_t converted_size;
1659                 int ret;
1660
1661                 if (!ldap_state->is_nds_ldap) {
1662
1663                         if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1664                                                    LDAP_EXOP_MODIFY_PASSWD)) {
1665                                 DEBUG(2, ("ldap password change requested, but LDAP "
1666                                           "server does not support it -- ignoring\n"));
1667                                 return NT_STATUS_OK;
1668                         }
1669                 }
1670
1671                 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1672                                         pdb_get_plaintext_passwd(newpwd),
1673                                         &converted_size))
1674                 {
1675                         return NT_STATUS_NO_MEMORY;
1676                 }
1677
1678                 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1679                         TALLOC_FREE(utf8_password);
1680                         return NT_STATUS_NO_MEMORY;
1681                 }
1682
1683                 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1684                         DEBUG(0,("ber_alloc_t returns NULL\n"));
1685                         TALLOC_FREE(utf8_password);
1686                         TALLOC_FREE(utf8_dn);
1687                         return NT_STATUS_UNSUCCESSFUL;
1688                 }
1689
1690                 if ((ber_printf (ber, "{") < 0) ||
1691                     (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1692                                  utf8_dn) < 0)) {
1693                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1694                                  "value <0\n"));
1695                         ber_free(ber,1);
1696                         TALLOC_FREE(utf8_dn);
1697                         TALLOC_FREE(utf8_password);
1698                         return NT_STATUS_UNSUCCESSFUL;
1699                 }
1700
1701                 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1702                         ret = ber_printf(ber, "ts}",
1703                                          LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1704                                          utf8_password);
1705                 } else {
1706                         ret = ber_printf(ber, "}");
1707                 }
1708
1709                 if (ret < 0) {
1710                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1711                                  "value <0\n"));
1712                         ber_free(ber,1);
1713                         TALLOC_FREE(utf8_dn);
1714                         TALLOC_FREE(utf8_password);
1715                         return NT_STATUS_UNSUCCESSFUL;
1716                 }
1717
1718                 if ((rc = ber_flatten (ber, &bv))<0) {
1719                         DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1720                         ber_free(ber,1);
1721                         TALLOC_FREE(utf8_dn);
1722                         TALLOC_FREE(utf8_password);
1723                         return NT_STATUS_UNSUCCESSFUL;
1724                 }
1725
1726                 TALLOC_FREE(utf8_dn);
1727                 TALLOC_FREE(utf8_password);
1728                 ber_free(ber, 1);
1729
1730                 if (!ldap_state->is_nds_ldap) {
1731                         rc = smbldap_extended_operation(ldap_state->smbldap_state,
1732                                                         LDAP_EXOP_MODIFY_PASSWD,
1733                                                         bv, NULL, NULL, &retoid,
1734                                                         &retdata);
1735                 } else {
1736                         rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1737                                                         pdb_get_plaintext_passwd(newpwd));
1738                 }
1739                 if (rc != LDAP_SUCCESS) {
1740                         char *ld_error = NULL;
1741
1742                         if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1743                                 DEBUG(3, ("Could not set userPassword "
1744                                           "attribute due to an objectClass "
1745                                           "violation -- ignoring\n"));
1746                                 ber_bvfree(bv);
1747                                 return NT_STATUS_OK;
1748                         }
1749
1750                         ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1751                                         &ld_error);
1752                         DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1753                                 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1754                         SAFE_FREE(ld_error);
1755                         ber_bvfree(bv);
1756 #if defined(LDAP_CONSTRAINT_VIOLATION)
1757                         if (rc == LDAP_CONSTRAINT_VIOLATION)
1758                                 return NT_STATUS_PASSWORD_RESTRICTION;
1759 #endif
1760                         return NT_STATUS_UNSUCCESSFUL;
1761                 } else {
1762                         DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1763 #ifdef DEBUG_PASSWORD
1764                         DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1765 #endif
1766                         if (retdata)
1767                                 ber_bvfree(retdata);
1768                         if (retoid)
1769                                 ldap_memfree(retoid);
1770                 }
1771                 ber_bvfree(bv);
1772         }
1773
1774         if (!mods) {
1775                 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1776                 /* may be password change below however */
1777         } else {
1778                 switch(ldap_op) {
1779                         case LDAP_MOD_ADD:
1780                                 if (ldap_state->is_nds_ldap) {
1781                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1782                                                         "objectclass",
1783                                                         "inetOrgPerson");
1784                                 } else {
1785                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1786                                                         "objectclass",
1787                                                         LDAP_OBJ_ACCOUNT);
1788                                 }
1789                                 rc = smbldap_add(ldap_state->smbldap_state,
1790                                                  dn, mods);
1791                                 break;
1792                         case LDAP_MOD_REPLACE:
1793                                 rc = smbldap_modify(ldap_state->smbldap_state,
1794                                                     dn ,mods);
1795                                 break;
1796                         default:
1797                                 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1798                                          ldap_op));
1799                                 return NT_STATUS_INVALID_PARAMETER;
1800                 }
1801
1802                 if (rc!=LDAP_SUCCESS) {
1803                         return NT_STATUS_UNSUCCESSFUL;
1804                 }
1805         }
1806
1807         return NT_STATUS_OK;
1808 }
1809
1810 /**********************************************************************
1811  Delete entry from LDAP for username.
1812 *********************************************************************/
1813
1814 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1815                                            struct samu * sam_acct)
1816 {
1817         struct ldapsam_privates *priv =
1818                 (struct ldapsam_privates *)my_methods->private_data;
1819         const char *sname;
1820         int rc;
1821         LDAPMessage *msg, *entry;
1822         NTSTATUS result = NT_STATUS_NO_MEMORY;
1823         const char **attr_list;
1824         TALLOC_CTX *mem_ctx;
1825
1826         if (!sam_acct) {
1827                 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1828                 return NT_STATUS_INVALID_PARAMETER;
1829         }
1830
1831         sname = pdb_get_username(sam_acct);
1832
1833         DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1834                   "LDAP.\n", sname));
1835
1836         mem_ctx = talloc_new(NULL);
1837         if (mem_ctx == NULL) {
1838                 DEBUG(0, ("talloc_new failed\n"));
1839                 goto done;
1840         }
1841
1842         attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1843         if (attr_list == NULL) {
1844                 goto done;
1845         }
1846
1847         rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1848
1849         if ((rc != LDAP_SUCCESS) ||
1850             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1851             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1852                 DEBUG(5, ("Could not find user %s\n", sname));
1853                 result = NT_STATUS_NO_SUCH_USER;
1854                 goto done;
1855         }
1856
1857         rc = ldapsam_delete_entry(
1858                 priv, mem_ctx, entry,
1859                 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1860                 LDAP_OBJ_SAMBASAMACCOUNT : 0,
1861                 attr_list);
1862
1863         result = (rc == LDAP_SUCCESS) ?
1864                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1865
1866  done:
1867         TALLOC_FREE(mem_ctx);
1868         return result;
1869 }
1870
1871 /**********************************************************************
1872  Update struct samu.
1873 *********************************************************************/
1874
1875 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1876 {
1877         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1878         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1879         int rc = 0;
1880         char *dn;
1881         LDAPMessage *result = NULL;
1882         LDAPMessage *entry = NULL;
1883         LDAPMod **mods = NULL;
1884         const char **attr_list;
1885
1886         result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1887         if (!result) {
1888                 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1889                 if (pdb_get_username(newpwd) == NULL) {
1890                         return NT_STATUS_INVALID_PARAMETER;
1891                 }
1892                 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1893                 TALLOC_FREE( attr_list );
1894                 if (rc != LDAP_SUCCESS) {
1895                         return NT_STATUS_UNSUCCESSFUL;
1896                 }
1897                 pdb_set_backend_private_data(newpwd, result, NULL,
1898                                              my_methods, PDB_CHANGED);
1899                 talloc_autofree_ldapmsg(newpwd, result);
1900         }
1901
1902         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1903                 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1904                 return NT_STATUS_UNSUCCESSFUL;
1905         }
1906
1907         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1908         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1909         if (!dn) {
1910                 return NT_STATUS_UNSUCCESSFUL;
1911         }
1912
1913         DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1914
1915         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1916                                 pdb_element_is_changed)) {
1917                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1918                 TALLOC_FREE(dn);
1919                 if (mods != NULL)
1920                         ldap_mods_free(mods,True);
1921                 return NT_STATUS_UNSUCCESSFUL;
1922         }
1923
1924         if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1925             && (mods == NULL)) {
1926                 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1927                          pdb_get_username(newpwd)));
1928                 TALLOC_FREE(dn);
1929                 return NT_STATUS_OK;
1930         }
1931
1932         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
1933
1934         if (mods != NULL) {
1935                 ldap_mods_free(mods,True);
1936         }
1937
1938         TALLOC_FREE(dn);
1939
1940         /*
1941          * We need to set the backend private data to NULL here. For example
1942          * setuserinfo level 25 does a pdb_update_sam_account twice on the
1943          * same one, and with the explicit delete / add logic for attribute
1944          * values the second time we would use the wrong "old" value which
1945          * does not exist in LDAP anymore. Thus the LDAP server would refuse
1946          * the update.
1947          * The existing LDAPMessage is still being auto-freed by the
1948          * destructor.
1949          */
1950         pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1951                                      PDB_CHANGED);
1952
1953         if (!NT_STATUS_IS_OK(ret)) {
1954                 return ret;
1955         }
1956
1957         DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1958                   pdb_get_username(newpwd)));
1959         return NT_STATUS_OK;
1960 }
1961
1962 /***************************************************************************
1963  Renames a struct samu
1964  - The "rename user script" has full responsibility for changing everything
1965 ***************************************************************************/
1966
1967 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
1968                                      TALLOC_CTX *tmp_ctx,
1969                                      uint32_t group_rid,
1970                                      uint32_t member_rid);
1971
1972 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
1973                                                TALLOC_CTX *mem_ctx,
1974                                                struct samu *user,
1975                                                struct dom_sid **pp_sids,
1976                                                gid_t **pp_gids,
1977                                                uint32_t *p_num_groups);
1978
1979 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1980                                            struct samu *old_acct,
1981                                            const char *newname)
1982 {
1983         const char *oldname;
1984         int rc;
1985         char *rename_script = NULL;
1986         fstring oldname_lower, newname_lower;
1987
1988         if (!old_acct) {
1989                 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1990                 return NT_STATUS_INVALID_PARAMETER;
1991         }
1992         if (!newname) {
1993                 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1994                 return NT_STATUS_INVALID_PARAMETER;
1995         }
1996
1997         oldname = pdb_get_username(old_acct);
1998
1999         /* rename the posix user */
2000         rename_script = lp_renameuser_script(talloc_tos());
2001         if (rename_script == NULL) {
2002                 return NT_STATUS_NO_MEMORY;
2003         }
2004
2005         if (!(*rename_script)) {
2006                 TALLOC_FREE(rename_script);
2007                 return NT_STATUS_ACCESS_DENIED;
2008         }
2009
2010         DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2011                    oldname, newname));
2012
2013         /* We have to allow the account name to end with a '$'.
2014            Also, follow the semantics in _samr_create_user() and lower case the
2015            posix name but preserve the case in passdb */
2016
2017         fstrcpy( oldname_lower, oldname );
2018         if (!strlower_m( oldname_lower )) {
2019                 return NT_STATUS_INVALID_PARAMETER;
2020         }
2021         fstrcpy( newname_lower, newname );
2022         if (!strlower_m( newname_lower )) {
2023                 return NT_STATUS_INVALID_PARAMETER;
2024         }
2025
2026         rename_script = realloc_string_sub2(rename_script,
2027                                         "%unew",
2028                                         newname_lower,
2029                                         true,
2030                                         true);
2031         if (!rename_script) {
2032                 return NT_STATUS_NO_MEMORY;
2033         }
2034         rename_script = realloc_string_sub2(rename_script,
2035                                         "%uold",
2036                                         oldname_lower,
2037                                         true,
2038                                         true);
2039         rc = smbrun(rename_script, NULL);
2040
2041         DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2042                           rename_script, rc));
2043
2044         TALLOC_FREE(rename_script);
2045
2046         if (rc == 0) {
2047                 smb_nscd_flush_user_cache();
2048         }
2049
2050         if (rc)
2051                 return NT_STATUS_UNSUCCESSFUL;
2052
2053         return NT_STATUS_OK;
2054 }
2055
2056 /**********************************************************************
2057  Add struct samu to LDAP.
2058 *********************************************************************/
2059
2060 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2061 {
2062         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2063         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2064         int rc;
2065         LDAPMessage     *result = NULL;
2066         LDAPMessage     *entry  = NULL;
2067         LDAPMod         **mods = NULL;
2068         int             ldap_op = LDAP_MOD_REPLACE;
2069         uint32_t                num_result;
2070         const char      **attr_list;
2071         char *escape_user = NULL;
2072         const char      *username = pdb_get_username(newpwd);
2073         const struct dom_sid    *sid = pdb_get_user_sid(newpwd);
2074         char *filter = NULL;
2075         char *dn = NULL;
2076         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2077         TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2078
2079         if (!ctx) {
2080                 return NT_STATUS_NO_MEMORY;
2081         }
2082
2083         if (!username || !*username) {
2084                 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2085                 status = NT_STATUS_INVALID_PARAMETER;
2086                 goto fn_exit;
2087         }
2088
2089         /* free this list after the second search or in case we exit on failure */
2090         attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2091
2092         rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2093
2094         if (rc != LDAP_SUCCESS) {
2095                 goto fn_exit;
2096         }
2097
2098         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2099                 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2100                          username));
2101                 goto fn_exit;
2102         }
2103         ldap_msgfree(result);
2104         result = NULL;
2105
2106         if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2107                 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2108                                                   sid, &result);
2109                 if (rc == LDAP_SUCCESS) {
2110                         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2111                                 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2112                                          "already in the base, with samba "
2113                                          "attributes\n", sid_string_dbg(sid)));
2114                                 goto fn_exit;
2115                         }
2116                         ldap_msgfree(result);
2117                         result = NULL;
2118                 }
2119         }
2120
2121         /* does the entry already exist but without a samba attributes?
2122            we need to return the samba attributes here */
2123
2124         escape_user = escape_ldap_string(talloc_tos(), username);
2125         filter = talloc_strdup(attr_list, "(uid=%u)");
2126         if (!filter) {
2127                 status = NT_STATUS_NO_MEMORY;
2128                 goto fn_exit;
2129         }
2130         filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2131         TALLOC_FREE(escape_user);
2132         if (!filter) {
2133                 status = NT_STATUS_NO_MEMORY;
2134                 goto fn_exit;
2135         }
2136
2137         rc = smbldap_search_suffix(ldap_state->smbldap_state,
2138                                    filter, attr_list, &result);
2139         if ( rc != LDAP_SUCCESS ) {
2140                 goto fn_exit;
2141         }
2142
2143         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2144
2145         if (num_result > 1) {
2146                 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2147                 goto fn_exit;
2148         }
2149
2150         /* Check if we need to update an existing entry */
2151         if (num_result == 1) {
2152                 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2153                 ldap_op = LDAP_MOD_REPLACE;
2154                 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2155                 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2156                 if (!dn) {
2157                         status = NT_STATUS_NO_MEMORY;
2158                         goto fn_exit;
2159                 }
2160
2161         } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2162
2163                 /* There might be a SID for this account already - say an idmap entry */
2164
2165                 filter = talloc_asprintf(ctx,
2166                                 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2167                                  get_userattr_key2string(ldap_state->schema_ver,
2168                                          LDAP_ATTR_USER_SID),
2169                                  sid_string_talloc(ctx, sid),
2170                                  LDAP_OBJ_IDMAP_ENTRY,
2171                                  LDAP_OBJ_SID_ENTRY);
2172                 if (!filter) {
2173                         status = NT_STATUS_NO_MEMORY;
2174                         goto fn_exit;
2175                 }
2176
2177                 /* free old result before doing a new search */
2178                 if (result != NULL) {
2179                         ldap_msgfree(result);
2180                         result = NULL;
2181                 }
2182                 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2183                                            filter, attr_list, &result);
2184
2185                 if ( rc != LDAP_SUCCESS ) {
2186                         goto fn_exit;
2187                 }
2188
2189                 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2190
2191                 if (num_result > 1) {
2192                         DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2193                         goto fn_exit;
2194                 }
2195
2196                 /* Check if we need to update an existing entry */
2197                 if (num_result == 1) {
2198
2199                         DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2200                         ldap_op = LDAP_MOD_REPLACE;
2201                         entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2202                         dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2203                         if (!dn) {
2204                                 status = NT_STATUS_NO_MEMORY;
2205                                 goto fn_exit;
2206                         }
2207                 }
2208         }
2209
2210         if (num_result == 0) {
2211                 char *escape_username;
2212                 /* Check if we need to add an entry */
2213                 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2214                 ldap_op = LDAP_MOD_ADD;
2215
2216                 escape_username = escape_rdn_val_string_alloc(username);
2217                 if (!escape_username) {
2218                         status = NT_STATUS_NO_MEMORY;
2219                         goto fn_exit;
2220                 }
2221
2222                 if (username[strlen(username)-1] == '$') {
2223                         dn = talloc_asprintf(ctx,
2224                                         "uid=%s,%s",
2225                                         escape_username,
2226                                         lp_ldap_machine_suffix(talloc_tos()));
2227                 } else {
2228                         dn = talloc_asprintf(ctx,
2229                                         "uid=%s,%s",
2230                                         escape_username,
2231                                         lp_ldap_user_suffix(talloc_tos()));
2232                 }
2233
2234                 SAFE_FREE(escape_username);
2235                 if (!dn) {
2236                         status = NT_STATUS_NO_MEMORY;
2237                         goto fn_exit;
2238                 }
2239         }
2240
2241         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2242                                 pdb_element_is_set_or_changed)) {
2243                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2244                 if (mods != NULL) {
2245                         ldap_mods_free(mods, true);
2246                 }
2247                 goto fn_exit;
2248         }
2249
2250         if (mods == NULL) {
2251                 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2252                 goto fn_exit;
2253         }
2254         switch ( ldap_state->schema_ver ) {
2255                 case SCHEMAVER_SAMBASAMACCOUNT:
2256                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2257                         break;
2258                 default:
2259                         DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2260                         break;
2261         }
2262
2263         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2264         if (!NT_STATUS_IS_OK(ret)) {
2265                 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2266                          pdb_get_username(newpwd),dn));
2267                 ldap_mods_free(mods, true);
2268                 goto fn_exit;
2269         }
2270
2271         DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2272         ldap_mods_free(mods, true);
2273
2274         status = NT_STATUS_OK;
2275
2276   fn_exit:
2277
2278         TALLOC_FREE(ctx);
2279         if (result) {
2280                 ldap_msgfree(result);
2281         }
2282         return status;
2283 }
2284
2285 /**********************************************************************
2286  *********************************************************************/
2287
2288 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2289                                      const char *filter,
2290                                      LDAPMessage ** result)
2291 {
2292         int scope = LDAP_SCOPE_SUBTREE;
2293         int rc;
2294         const char **attr_list;
2295
2296         attr_list = get_attr_list(NULL, groupmap_attr_list);
2297         rc = smbldap_search(ldap_state->smbldap_state,
2298                             lp_ldap_suffix (talloc_tos()), scope,
2299                             filter, attr_list, 0, result);
2300         TALLOC_FREE(attr_list);
2301
2302         return rc;
2303 }
2304
2305 /**********************************************************************
2306  *********************************************************************/
2307
2308 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2309                                  GROUP_MAP *map, LDAPMessage *entry)
2310 {
2311         char *temp = NULL;
2312         TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2313
2314         if (ldap_state == NULL || map == NULL || entry == NULL ||
2315                         ldap_state->smbldap_state->ldap_struct == NULL) {
2316                 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2317                 TALLOC_FREE(ctx);
2318                 return false;
2319         }
2320
2321         temp = smbldap_talloc_single_attribute(
2322                         ldap_state->smbldap_state->ldap_struct,
2323                         entry,
2324                         get_attr_key2string(groupmap_attr_list,
2325                                 LDAP_ATTR_GIDNUMBER),
2326                         ctx);
2327         if (!temp) {
2328                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2329                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2330                 TALLOC_FREE(ctx);
2331                 return false;
2332         }
2333         DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2334
2335         map->gid = (gid_t)atol(temp);
2336
2337         TALLOC_FREE(temp);
2338         temp = smbldap_talloc_single_attribute(
2339                         ldap_state->smbldap_state->ldap_struct,
2340                         entry,
2341                         get_attr_key2string(groupmap_attr_list,
2342                                 LDAP_ATTR_GROUP_SID),
2343                         ctx);
2344         if (!temp) {
2345                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2346                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2347                 TALLOC_FREE(ctx);
2348                 return false;
2349         }
2350
2351         if (!string_to_sid(&map->sid, temp)) {
2352                 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2353                 TALLOC_FREE(ctx);
2354                 return false;
2355         }
2356
2357         TALLOC_FREE(temp);
2358         temp = smbldap_talloc_single_attribute(
2359                         ldap_state->smbldap_state->ldap_struct,
2360                         entry,
2361                         get_attr_key2string(groupmap_attr_list,
2362                                 LDAP_ATTR_GROUP_TYPE),
2363                         ctx);
2364         if (!temp) {
2365                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2366                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2367                 TALLOC_FREE(ctx);
2368                 return false;
2369         }
2370         map->sid_name_use = (enum lsa_SidType)atol(temp);
2371
2372         if ((map->sid_name_use < SID_NAME_USER) ||
2373                         (map->sid_name_use > SID_NAME_UNKNOWN)) {
2374                 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2375                 TALLOC_FREE(ctx);
2376                 return false;
2377         }
2378
2379         TALLOC_FREE(temp);
2380         temp = smbldap_talloc_single_attribute(
2381                         ldap_state->smbldap_state->ldap_struct,
2382                         entry,
2383                         get_attr_key2string(groupmap_attr_list,
2384                                 LDAP_ATTR_DISPLAY_NAME),
2385                         ctx);
2386         if (!temp) {
2387                 temp = smbldap_talloc_single_attribute(
2388                                 ldap_state->smbldap_state->ldap_struct,
2389                                 entry,
2390                                 get_attr_key2string(groupmap_attr_list,
2391                                         LDAP_ATTR_CN),
2392                                 ctx);
2393                 if (!temp) {
2394                         DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2395 for gidNumber(%lu)\n",(unsigned long)map->gid));
2396                         TALLOC_FREE(ctx);
2397                         return false;
2398                 }
2399         }
2400         map->nt_name = talloc_strdup(map, temp);
2401         if (!map->nt_name) {
2402                 TALLOC_FREE(ctx);
2403                 return false;
2404         }
2405
2406         TALLOC_FREE(temp);
2407         temp = smbldap_talloc_single_attribute(
2408                         ldap_state->smbldap_state->ldap_struct,
2409                         entry,
2410                         get_attr_key2string(groupmap_attr_list,
2411                                 LDAP_ATTR_DESC),
2412                         ctx);
2413         if (!temp) {
2414                 temp = talloc_strdup(ctx, "");
2415                 if (!temp) {
2416                         TALLOC_FREE(ctx);
2417                         return false;
2418                 }
2419         }
2420         map->comment = talloc_strdup(map, temp);
2421         if (!map->comment) {
2422                 TALLOC_FREE(ctx);
2423                 return false;
2424         }
2425
2426         if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2427                 struct unixid id;
2428                 id.id = map->gid;
2429                 id.type = ID_TYPE_GID;
2430
2431                 idmap_cache_set_sid2unixid(&map->sid, &id);
2432         }
2433
2434         TALLOC_FREE(ctx);
2435         return true;
2436 }
2437
2438 /**********************************************************************
2439  *********************************************************************/
2440
2441 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2442                                  const char *filter,
2443                                  GROUP_MAP *map)
2444 {
2445         struct ldapsam_privates *ldap_state =
2446                 (struct ldapsam_privates *)methods->private_data;
2447         LDAPMessage *result = NULL;
2448         LDAPMessage *entry = NULL;
2449         int count;
2450
2451         if (ldapsam_search_one_group(ldap_state, filter, &result)
2452             != LDAP_SUCCESS) {
2453                 return NT_STATUS_NO_SUCH_GROUP;
2454         }
2455
2456         count = ldap_count_entries(priv2ld(ldap_state), result);
2457
2458         if (count < 1) {
2459                 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2460                           "%s\n", filter));
2461                 ldap_msgfree(result);
2462                 return NT_STATUS_NO_SUCH_GROUP;
2463         }
2464
2465         if (count > 1) {
2466                 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2467                           "count=%d\n", filter, count));
2468                 ldap_msgfree(result);
2469                 return NT_STATUS_NO_SUCH_GROUP;
2470         }
2471
2472         entry = ldap_first_entry(priv2ld(ldap_state), result);
2473
2474         if (!entry) {
2475                 ldap_msgfree(result);
2476                 return NT_STATUS_UNSUCCESSFUL;
2477         }
2478
2479         if (!init_group_from_ldap(ldap_state, map, entry)) {
2480                 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2481                           "group filter %s\n", filter));
2482                 ldap_msgfree(result);
2483                 return NT_STATUS_NO_SUCH_GROUP;
2484         }
2485
2486         ldap_msgfree(result);
2487         return NT_STATUS_OK;
2488 }
2489
2490 /**********************************************************************
2491  *********************************************************************/
2492
2493 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2494                                  struct dom_sid sid)
2495 {
2496         char *filter = NULL;
2497         NTSTATUS status;
2498         fstring tmp;
2499
2500         if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2501                 LDAP_OBJ_GROUPMAP,
2502                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2503                 sid_to_fstring(tmp, &sid)) < 0) {
2504                 return NT_STATUS_NO_MEMORY;
2505         }
2506
2507         status = ldapsam_getgroup(methods, filter, map);
2508         SAFE_FREE(filter);
2509         return status;
2510 }
2511
2512 /**********************************************************************
2513  *********************************************************************/
2514
2515 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2516                                  gid_t gid)
2517 {
2518         char *filter = NULL;
2519         NTSTATUS status;
2520
2521         if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2522                 LDAP_OBJ_GROUPMAP,
2523                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2524                 (unsigned long)gid) < 0) {
2525                 return NT_STATUS_NO_MEMORY;
2526         }
2527
2528         status = ldapsam_getgroup(methods, filter, map);
2529         SAFE_FREE(filter);
2530         return status;
2531 }
2532
2533 /**********************************************************************
2534  *********************************************************************/
2535
2536 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2537                                  const char *name)
2538 {
2539         char *filter = NULL;
2540         char *escape_name = escape_ldap_string(talloc_tos(), name);
2541         NTSTATUS status;
2542
2543         if (!escape_name) {
2544                 return NT_STATUS_NO_MEMORY;
2545         }
2546
2547         if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2548                 LDAP_OBJ_GROUPMAP,
2549                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2550                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2551                 escape_name) < 0) {
2552                 TALLOC_FREE(escape_name);
2553                 return NT_STATUS_NO_MEMORY;
2554         }
2555
2556         TALLOC_FREE(escape_name);
2557         status = ldapsam_getgroup(methods, filter, map);
2558         SAFE_FREE(filter);
2559         return status;
2560 }
2561
2562 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2563                                            LDAPMessage *entry,
2564                                            const struct dom_sid *domain_sid,
2565                                            uint32_t *rid)
2566 {
2567         fstring str;
2568         struct dom_sid sid;
2569
2570         if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2571                                           str, sizeof(str)-1)) {
2572                 DEBUG(10, ("Could not find sambaSID attribute\n"));
2573                 return False;
2574         }
2575
2576         if (!string_to_sid(&sid, str)) {
2577                 DEBUG(10, ("Could not convert string %s to sid\n", str));
2578                 return False;
2579         }
2580
2581         if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2582                 DEBUG(10, ("SID %s is not in expected domain %s\n",
2583                            str, sid_string_dbg(domain_sid)));
2584                 return False;
2585         }
2586
2587         if (!sid_peek_rid(&sid, rid)) {
2588                 DEBUG(10, ("Could not peek into RID\n"));
2589                 return False;
2590         }
2591
2592         return True;
2593 }
2594
2595 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2596                                            TALLOC_CTX *mem_ctx,
2597                                            const struct dom_sid *group,
2598                                            uint32_t **pp_member_rids,
2599                                            size_t *p_num_members)
2600 {
2601         struct ldapsam_privates *ldap_state =
2602                 (struct ldapsam_privates *)methods->private_data;
2603         struct smbldap_state *conn = ldap_state->smbldap_state;
2604         const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2605         const char *sid_attrs[] = { "sambaSID", NULL };
2606         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2607         LDAPMessage *result = NULL;
2608         LDAPMessage *entry;
2609         char *filter;
2610         char **values = NULL;
2611         char **memberuid;
2612         char *gidstr;
2613         int rc, count;
2614
2615         *pp_member_rids = NULL;
2616         *p_num_members = 0;
2617
2618         filter = talloc_asprintf(mem_ctx,
2619                                  "(&(objectClass=%s)"
2620                                  "(objectClass=%s)"
2621                                  "(sambaSID=%s))",
2622                                  LDAP_OBJ_POSIXGROUP,
2623                                  LDAP_OBJ_GROUPMAP,
2624                                  sid_string_talloc(mem_ctx, group));
2625         if (filter == NULL) {
2626                 ret = NT_STATUS_NO_MEMORY;
2627                 goto done;
2628         }
2629
2630         rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2631                             LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2632                             &result);
2633
2634         if (rc != LDAP_SUCCESS)
2635                 goto done;
2636
2637         talloc_autofree_ldapmsg(mem_ctx, result);
2638
2639         count = ldap_count_entries(conn->ldap_struct, result);
2640
2641         if (count > 1) {
2642                 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2643                           sid_string_dbg(group)));
2644                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2645                 goto done;
2646         }
2647
2648         if (count == 0) {
2649                 ret = NT_STATUS_NO_SUCH_GROUP;
2650                 goto done;
2651         }
2652
2653         entry = ldap_first_entry(conn->ldap_struct, result);
2654         if (entry == NULL)
2655                 goto done;
2656
2657         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2658         if (!gidstr) {
2659                 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2660                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2661                 goto done;
2662         }
2663
2664         values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2665
2666         if ((values != NULL) && (values[0] != NULL)) {
2667
2668                 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2669                 if (filter == NULL) {
2670                         ret = NT_STATUS_NO_MEMORY;
2671                         goto done;
2672                 }
2673
2674                 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2675                         char *escape_memberuid;
2676
2677                         escape_memberuid = escape_ldap_string(talloc_tos(),
2678                                                               *memberuid);
2679                         if (escape_memberuid == NULL) {
2680                                 ret = NT_STATUS_NO_MEMORY;
2681                                 goto done;
2682                         }
2683
2684                         filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2685                         TALLOC_FREE(escape_memberuid);
2686                         if (filter == NULL) {
2687                                 ret = NT_STATUS_NO_MEMORY;
2688                                 goto done;
2689                         }
2690                 }
2691
2692                 filter = talloc_asprintf_append_buffer(filter, "))");
2693                 if (filter == NULL) {
2694                         ret = NT_STATUS_NO_MEMORY;
2695                         goto done;
2696                 }
2697
2698                 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2699                                     LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2700                                     &result);
2701
2702                 if (rc != LDAP_SUCCESS)
2703                         goto done;
2704
2705                 count = ldap_count_entries(conn->ldap_struct, result);
2706                 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2707
2708                 talloc_autofree_ldapmsg(mem_ctx, result);
2709
2710                 for (entry = ldap_first_entry(conn->ldap_struct, result);
2711                      entry != NULL;
2712                      entry = ldap_next_entry(conn->ldap_struct, entry))
2713                 {
2714                         char *sidstr;
2715                         struct dom_sid sid;
2716                         uint32_t rid;
2717
2718                         sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2719                                                                  entry, "sambaSID",
2720                                                                  mem_ctx);
2721                         if (!sidstr) {
2722                                 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2723                                           "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2724                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2725                                 goto done;
2726                         }
2727
2728                         if (!string_to_sid(&sid, sidstr))
2729                                 goto done;
2730
2731                         if (!sid_check_is_in_our_sam(&sid)) {
2732                                 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2733                                           "in our domain\n"));
2734                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2735                                 goto done;
2736                         }
2737
2738                         sid_peek_rid(&sid, &rid);
2739
2740                         if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2741                                                 p_num_members)) {
2742                                 ret = NT_STATUS_NO_MEMORY;
2743                                 goto done;
2744                         }
2745                 }
2746         }
2747
2748         filter = talloc_asprintf(mem_ctx,
2749                                  "(&(objectClass=%s)"
2750                                  "(gidNumber=%s))",
2751                                  LDAP_OBJ_SAMBASAMACCOUNT,
2752                                  gidstr);
2753
2754         rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2755                             LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2756                             &result);
2757
2758         if (rc != LDAP_SUCCESS)
2759                 goto done;
2760
2761         talloc_autofree_ldapmsg(mem_ctx, result);
2762
2763         for (entry = ldap_first_entry(conn->ldap_struct, result);
2764              entry != NULL;
2765              entry = ldap_next_entry(conn->ldap_struct, entry))
2766         {
2767                 uint32_t rid;
2768
2769                 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2770                                                     entry,
2771                                                     get_global_sam_sid(),
2772                                                     &rid)) {
2773                         DEBUG(0, ("Severe DB error, %s can't miss the samba SID"                                                                "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2774                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2775                         goto done;
2776                 }
2777
2778                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2779                                         p_num_members)) {
2780                         ret = NT_STATUS_NO_MEMORY;
2781                         goto done;
2782                 }
2783         }
2784
2785         ret = NT_STATUS_OK;
2786
2787  done:
2788
2789         if (values)
2790                 ldap_value_free(values);
2791
2792         return ret;
2793 }
2794
2795 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2796                                                TALLOC_CTX *mem_ctx,
2797                                                struct samu *user,
2798                                                struct dom_sid **pp_sids,
2799                                                gid_t **pp_gids,
2800                                                uint32_t *p_num_groups)
2801 {
2802         struct ldapsam_privates *ldap_state =
2803                 (struct ldapsam_privates *)methods->private_data;
2804         struct smbldap_state *conn = ldap_state->smbldap_state;
2805         char *filter;
2806         const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2807         char *escape_name;
2808         int rc, count;
2809         LDAPMessage *result = NULL;
2810         LDAPMessage *entry;
2811         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2812         uint32_t num_sids;
2813         uint32_t num_gids;
2814         char *gidstr;
2815         gid_t primary_gid = -1;
2816
2817         *pp_sids = NULL;
2818         num_sids = 0;
2819
2820         if (pdb_get_username(user) == NULL) {
2821                 return NT_STATUS_INVALID_PARAMETER;
2822         }
2823
2824         escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2825         if (escape_name == NULL)
2826                 return NT_STATUS_NO_MEMORY;
2827
2828         if (user->unix_pw) {
2829                 primary_gid = user->unix_pw->pw_gid;
2830         } else {
2831                 /* retrieve the users primary gid */
2832                 filter = talloc_asprintf(mem_ctx,
2833                                          "(&(objectClass=%s)(uid=%s))",
2834                                          LDAP_OBJ_SAMBASAMACCOUNT,
2835                                          escape_name);
2836                 if (filter == NULL) {
2837                         ret = NT_STATUS_NO_MEMORY;
2838                         goto done;
2839                 }
2840
2841                 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2842                                     LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2843
2844                 if (rc != LDAP_SUCCESS)
2845                         goto done;
2846
2847                 talloc_autofree_ldapmsg(mem_ctx, result);
2848
2849                 count = ldap_count_entries(priv2ld(ldap_state), result);
2850
2851                 switch (count) {
2852                 case 0:
2853                         DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2854                         ret = NT_STATUS_NO_SUCH_USER;
2855                         goto done;
2856                 case 1:
2857                         entry = ldap_first_entry(priv2ld(ldap_state), result);
2858
2859                         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2860                         if (!gidstr) {
2861                                 DEBUG (1, ("Unable to find the member's gid!\n"));
2862                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2863                                 goto done;
2864                         }
2865                         primary_gid = strtoul(gidstr, NULL, 10);
2866                         break;
2867                 default:
2868                         DEBUG(1, ("found more than one account with the same user name ?!\n"));
2869                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2870                         goto done;
2871                 }
2872         }
2873
2874         filter = talloc_asprintf(mem_ctx,
2875                                  "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2876                                  LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2877         if (filter == NULL) {
2878                 ret = NT_STATUS_NO_MEMORY;
2879                 goto done;
2880         }
2881
2882         rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2883                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2884
2885         if (rc != LDAP_SUCCESS)
2886                 goto done;
2887
2888         talloc_autofree_ldapmsg(mem_ctx, result);
2889
2890         num_gids = 0;
2891         *pp_gids = NULL;
2892
2893         num_sids = 0;
2894         *pp_sids = NULL;
2895
2896         /* We need to add the primary group as the first gid/sid */
2897
2898         if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2899                 ret = NT_STATUS_NO_MEMORY;
2900                 goto done;
2901         }
2902
2903         /* This sid will be replaced later */
2904
2905         ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2906                                       &num_sids);
2907         if (!NT_STATUS_IS_OK(ret)) {
2908                 goto done;
2909         }
2910
2911         for (entry = ldap_first_entry(conn->ldap_struct, result);
2912              entry != NULL;
2913              entry = ldap_next_entry(conn->ldap_struct, entry))
2914         {
2915                 fstring str;
2916                 struct dom_sid sid;
2917                 gid_t gid;
2918                 char *end;
2919
2920                 if (!smbldap_get_single_attribute(conn->ldap_struct,
2921                                                   entry, "sambaSID",
2922                                                   str, sizeof(str)-1))
2923                         continue;
2924
2925                 if (!string_to_sid(&sid, str))
2926                         goto done;
2927
2928                 if (!smbldap_get_single_attribute(conn->ldap_struct,
2929                                                   entry, "gidNumber",
2930                                                   str, sizeof(str)-1))
2931                         continue;
2932
2933                 gid = strtoul(str, &end, 10);
2934
2935                 if (PTR_DIFF(end, str) != strlen(str))
2936                         goto done;
2937
2938                 if (gid == primary_gid) {
2939                         sid_copy(&(*pp_sids)[0], &sid);
2940                 } else {
2941                         if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2942                                                 &num_gids)) {
2943                                 ret = NT_STATUS_NO_MEMORY;
2944                                 goto done;
2945                         }
2946                         ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2947                                                       &num_sids);
2948                         if (!NT_STATUS_IS_OK(ret)) {
2949                                 goto done;
2950                         }
2951                 }
2952         }
2953
2954         if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2955                 DEBUG(3, ("primary group of [%s] not found\n",
2956                           pdb_get_username(user)));
2957                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2958                 goto done;
2959         }
2960
2961         *p_num_groups = num_sids;
2962
2963         ret = NT_STATUS_OK;
2964
2965  done:
2966
2967         TALLOC_FREE(escape_name);
2968         return ret;
2969 }
2970
2971 /**********************************************************************
2972  * Augment a posixGroup object with a sambaGroupMapping domgroup
2973  *********************************************************************/
2974
2975 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2976                                        struct ldapsam_privates *ldap_state,
2977                                        GROUP_MAP *map)
2978 {
2979         const char *filter, *dn;
2980         LDAPMessage *msg, *entry;
2981         LDAPMod **mods;
2982         int rc;
2983
2984         filter = talloc_asprintf(mem_ctx,
2985                                  "(&(objectClass=%s)(gidNumber=%u))",
2986                                  LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2987         if (filter == NULL) {
2988                 return NT_STATUS_NO_MEMORY;
2989         }
2990
2991         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2992                                    get_attr_list(mem_ctx, groupmap_attr_list),
2993                                    &msg);
2994         talloc_autofree_ldapmsg(mem_ctx, msg);
2995
2996         if ((rc != LDAP_SUCCESS) ||
2997             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2998             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2999                 return NT_STATUS_NO_SUCH_GROUP;
3000         }
3001
3002         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3003         if (dn == NULL) {
3004                 return NT_STATUS_NO_MEMORY;
3005         }
3006
3007         mods = NULL;
3008         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3009                         LDAP_OBJ_GROUPMAP);
3010         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3011                          sid_string_talloc(mem_ctx, &map->sid));
3012         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3013                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3014         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3015                          map->nt_name);
3016         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3017                          map->comment);
3018         talloc_autofree_ldapmod(mem_ctx, mods);
3019
3020         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3021         if (rc != LDAP_SUCCESS) {
3022                 return NT_STATUS_ACCESS_DENIED;
3023         }
3024
3025         return NT_STATUS_OK;
3026 }
3027
3028 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3029                                                 GROUP_MAP *map)
3030 {
3031         struct ldapsam_privates *ldap_state =
3032                 (struct ldapsam_privates *)methods->private_data;
3033         LDAPMessage *msg = NULL;
3034         LDAPMod **mods = NULL;
3035         const char *attrs[] = { NULL };
3036         char *filter;
3037
3038         char *dn;
3039         TALLOC_CTX *mem_ctx;
3040         NTSTATUS result;
3041
3042         struct dom_sid sid;
3043
3044         int rc;
3045
3046         mem_ctx = talloc_new(NULL);
3047         if (mem_ctx == NULL) {
3048                 DEBUG(0, ("talloc_new failed\n"));
3049                 return NT_STATUS_NO_MEMORY;
3050         }
3051
3052         filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3053                                  sid_string_talloc(mem_ctx, &map->sid));
3054         if (filter == NULL) {
3055                 result = NT_STATUS_NO_MEMORY;
3056                 goto done;
3057         }
3058
3059         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3060                             LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3061         talloc_autofree_ldapmsg(mem_ctx, msg);
3062
3063         if ((rc == LDAP_SUCCESS) &&
3064             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3065
3066                 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3067                           "group mapping entry\n", sid_string_dbg(&map->sid)));
3068                 result = NT_STATUS_GROUP_EXISTS;
3069                 goto done;
3070         }
3071
3072         switch (map->sid_name_use) {
3073
3074         case SID_NAME_DOM_GRP:
3075                 /* To map a domain group we need to have a posix group
3076                    to attach to. */
3077                 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3078                 goto done;
3079                 break;
3080
3081         case SID_NAME_ALIAS:
3082                 if (!sid_check_is_in_our_sam(&map->sid)
3083                         && !sid_check_is_in_builtin(&map->sid) )
3084                 {
3085                         DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3086                                   sid_string_dbg(&map->sid)));
3087                         result = NT_STATUS_INVALID_PARAMETER;
3088                         goto done;
3089                 }
3090                 break;
3091
3092         default:
3093                 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3094                           sid_type_lookup(map->sid_name_use)));
3095                 result = NT_STATUS_INVALID_PARAMETER;
3096                 goto done;
3097         }
3098
3099         /* Domain groups have been mapped in a separate routine, we have to
3100          * create an alias now */
3101
3102         if (map->gid == -1) {
3103                 DEBUG(10, ("Refusing to map gid==-1\n"));
3104                 result = NT_STATUS_INVALID_PARAMETER;
3105                 goto done;
3106         }
3107
3108         if (pdb_gid_to_sid(map->gid, &sid)) {
3109                 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3110                           "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3111                 result = NT_STATUS_GROUP_EXISTS;
3112                 goto done;
3113         }
3114
3115         /* Ok, enough checks done. It's still racy to go ahead now, but that's
3116          * the best we can get out of LDAP. */
3117
3118         dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3119                              sid_string_talloc(mem_ctx, &map->sid),
3120                              lp_ldap_group_suffix(talloc_tos()));
3121         if (dn == NULL) {
3122                 result = NT_STATUS_NO_MEMORY;
3123                 goto done;
3124         }
3125
3126         mods = NULL;
3127
3128         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3129                          LDAP_OBJ_SID_ENTRY);
3130         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3131                          LDAP_OBJ_GROUPMAP);
3132         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3133                          sid_string_talloc(mem_ctx, &map->sid));
3134         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3135                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3136         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3137                          map->nt_name);
3138         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3139                          map->comment);
3140         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3141                          talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3142         talloc_autofree_ldapmod(mem_ctx, mods);
3143
3144         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3145
3146         result = (rc == LDAP_SUCCESS) ?
3147                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3148
3149  done:
3150         TALLOC_FREE(mem_ctx);
3151         return result;
3152 }
3153
3154 /**********************************************************************
3155  * Update a group mapping entry. We're quite strict about what can be changed:
3156  * Only the description and displayname may be changed. It simply does not
3157  * make any sense to change the SID, gid or the type in a mapping.
3158  *********************************************************************/
3159
3160 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3161                                                    GROUP_MAP *map)
3162 {
3163         struct ldapsam_privates *ldap_state =
3164                 (struct ldapsam_privates *)methods->private_data;
3165         int rc;
3166         const char *filter, *dn;
3167         LDAPMessage *msg = NULL;
3168         LDAPMessage *entry = NULL;
3169         LDAPMod **mods = NULL;
3170         TALLOC_CTX *mem_ctx;
3171         NTSTATUS result;
3172
3173         mem_ctx = talloc_new(NULL);
3174         if (mem_ctx == NULL) {
3175                 DEBUG(0, ("talloc_new failed\n"));
3176                 return NT_STATUS_NO_MEMORY;
3177         }
3178
3179         /* Make 100% sure that sid, gid and type are not changed by looking up
3180          * exactly the values we're given in LDAP. */
3181
3182         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3183                                  "(sambaSid=%s)(gidNumber=%u)"
3184                                  "(sambaGroupType=%d))",
3185                                  LDAP_OBJ_GROUPMAP,
3186                                  sid_string_talloc(mem_ctx, &map->sid),
3187                                  (unsigned int)map->gid, map->sid_name_use);
3188         if (filter == NULL) {
3189                 result = NT_STATUS_NO_MEMORY;
3190                 goto done;
3191         }
3192
3193         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3194                                    get_attr_list(mem_ctx, groupmap_attr_list),
3195                                    &msg);
3196         talloc_autofree_ldapmsg(mem_ctx, msg);
3197
3198         if ((rc != LDAP_SUCCESS) ||
3199             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3200             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3201                 result = NT_STATUS_NO_SUCH_GROUP;
3202                 goto done;
3203         }
3204
3205         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3206
3207         if (dn == NULL) {
3208                 result = NT_STATUS_NO_MEMORY;
3209                 goto done;
3210         }
3211
3212         mods = NULL;
3213         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3214                          map->nt_name);
3215         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3216                          map->comment);
3217         talloc_autofree_ldapmod(mem_ctx, mods);
3218
3219         if (mods == NULL) {
3220                 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3221                           "nothing to do\n"));
3222                 result = NT_STATUS_OK;
3223                 goto done;
3224         }
3225
3226         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3227
3228         if (rc != LDAP_SUCCESS) {
3229                 result = NT_STATUS_ACCESS_DENIED;
3230                 goto done;
3231         }
3232
3233         DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3234                   "group %lu in LDAP\n", (unsigned long)map->gid));
3235
3236         result = NT_STATUS_OK;
3237
3238  done:
3239         TALLOC_FREE(mem_ctx);
3240         return result;
3241 }
3242
3243 /**********************************************************************
3244  *********************************************************************/
3245
3246 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3247                                                    struct dom_sid sid)
3248 {
3249         struct ldapsam_privates *priv =
3250                 (struct ldapsam_privates *)methods->private_data;
3251         LDAPMessage *msg, *entry;
3252         int rc;
3253         NTSTATUS result;
3254         TALLOC_CTX *mem_ctx;
3255         char *filter;
3256
3257         mem_ctx = talloc_new(NULL);
3258         if (mem_ctx == NULL) {
3259                 DEBUG(0, ("talloc_new failed\n"));
3260                 return NT_STATUS_NO_MEMORY;
3261         }
3262
3263         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3264                                  LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3265                                  sid_string_talloc(mem_ctx, &sid));
3266         if (filter == NULL) {
3267                 result = NT_STATUS_NO_MEMORY;
3268                 goto done;
3269         }
3270         rc = smbldap_search_suffix(priv->smbldap_state, filter,
3271                                    get_attr_list(mem_ctx, groupmap_attr_list),
3272                                    &msg);
3273         talloc_autofree_ldapmsg(mem_ctx, msg);
3274
3275         if ((rc != LDAP_SUCCESS) ||
3276             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3277             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3278                 result = NT_STATUS_NO_SUCH_GROUP;
3279                 goto done;
3280         }
3281
3282         rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3283                                   get_attr_list(mem_ctx,
3284                                                 groupmap_attr_list_to_delete));
3285
3286         if ((rc == LDAP_NAMING_VIOLATION) ||
3287             (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3288             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3289                 const char *attrs[] = { "sambaGroupType", "description",
3290                                         "displayName", "sambaSIDList",
3291                                         NULL };
3292
3293                 /* Second try. Don't delete the sambaSID attribute, this is
3294                    for "old" entries that are tacked on a winbind
3295                    sambaIdmapEntry. */
3296
3297                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3298                                           LDAP_OBJ_GROUPMAP, attrs);
3299         }
3300
3301         if ((rc == LDAP_NAMING_VIOLATION) ||
3302             (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3303             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3304                 const char *attrs[] = { "sambaGroupType", "description",
3305                                         "displayName", "sambaSIDList",
3306                                         "gidNumber", NULL };
3307
3308                 /* Third try. This is a post-3.0.21 alias (containing only
3309                  * sambaSidEntry and sambaGroupMapping classes), we also have
3310                  * to delete the gidNumber attribute, only the sambaSidEntry
3311                  * remains */
3312
3313                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3314                                           LDAP_OBJ_GROUPMAP, attrs);
3315         }
3316
3317         result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3318
3319  done:
3320         TALLOC_FREE(mem_ctx);
3321         return result;
3322  }
3323
3324 /**********************************************************************
3325  *********************************************************************/
3326
3327 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3328                                     bool update)
3329 {
3330         struct ldapsam_privates *ldap_state =
3331                 (struct ldapsam_privates *)my_methods->private_data;
3332         char *filter = NULL;
3333         int rc;
3334         const char **attr_list;
3335
3336         filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3337         if (!filter) {
3338                 return NT_STATUS_NO_MEMORY;
3339         }
3340         attr_list = get_attr_list( NULL, groupmap_attr_list );
3341         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3342                             LDAP_SCOPE_SUBTREE, filter,
3343                             attr_list, 0, &ldap_state->result);
3344         TALLOC_FREE(attr_list);
3345
3346         if (rc != LDAP_SUCCESS) {
3347                 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3348                           ldap_err2string(rc)));
3349                 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3350                           lp_ldap_suffix(talloc_tos()), filter));
3351                 ldap_msgfree(ldap_state->result);
3352                 ldap_state->result = NULL;
3353                 TALLOC_FREE(filter);
3354                 return NT_STATUS_UNSUCCESSFUL;
3355         }
3356
3357         TALLOC_FREE(filter);
3358
3359         DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3360                   ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3361                                      ldap_state->result)));
3362
3363         ldap_state->entry =
3364                 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3365                                  ldap_state->result);
3366         ldap_state->index = 0;
3367
3368         return NT_STATUS_OK;
3369 }
3370
3371 /**********************************************************************
3372  *********************************************************************/
3373
3374 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3375 {
3376         ldapsam_endsampwent(my_methods);
3377 }
3378
3379 /**********************************************************************
3380  *********************************************************************/
3381
3382 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3383                                     GROUP_MAP *map)
3384 {
3385         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3386         struct ldapsam_privates *ldap_state =
3387                 (struct ldapsam_privates *)my_methods->private_data;
3388         bool bret = False;
3389
3390         while (!bret) {
3391                 if (!ldap_state->entry)
3392                         return ret;
3393
3394                 ldap_state->index++;
3395                 bret = init_group_from_ldap(ldap_state, map,
3396                                             ldap_state->entry);
3397
3398                 ldap_state->entry =
3399                         ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3400                                         ldap_state->entry);
3401         }
3402
3403         return NT_STATUS_OK;
3404 }
3405
3406 /**********************************************************************
3407  *********************************************************************/
3408
3409 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3410                                            const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3411                                            GROUP_MAP ***pp_rmap,
3412                                            size_t *p_num_entries,
3413                                            bool unix_only)
3414 {
3415         GROUP_MAP *map = NULL;
3416         size_t entries = 0;
3417
3418         *p_num_entries = 0;
3419         *pp_rmap = NULL;
3420
3421         if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3422                 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3423                           "passdb\n"));
3424                 return NT_STATUS_ACCESS_DENIED;
3425         }
3426
3427         while (true) {
3428
3429                 map = talloc_zero(NULL, GROUP_MAP);
3430                 if (!map) {
3431                         return NT_STATUS_NO_MEMORY;
3432                 }
3433
3434                 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3435                         TALLOC_FREE(map);
3436                         break;
3437                 }
3438
3439                 if (sid_name_use != SID_NAME_UNKNOWN &&
3440                     sid_name_use != map->sid_name_use) {
3441                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3442                                   "not of the requested type\n",
3443                                   map->nt_name));
3444                         continue;
3445                 }
3446                 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3447                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3448                                   "non mapped\n", map->nt_name));
3449                         continue;
3450                 }
3451
3452                 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3453                                                 GROUP_MAP *, entries + 1);
3454                 if (!(*pp_rmap)) {
3455                         DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3456                                  "enlarge group map!\n"));
3457                         return NT_STATUS_UNSUCCESSFUL;
3458                 }
3459
3460                 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3461
3462                 entries += 1;
3463         }
3464
3465         ldapsam_endsamgrent(methods);
3466
3467         *p_num_entries = entries;
3468
3469         return NT_STATUS_OK;
3470 }
3471
3472 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3473                                         const struct dom_sid *alias,
3474                                         const struct dom_sid *member,
3475                                         int modop)
3476 {
3477         struct ldapsam_privates *ldap_state =
3478                 (struct ldapsam_privates *)methods->private_data;
3479         char *dn = NULL;
3480         LDAPMessage *result = NULL;
3481         LDAPMessage *entry = NULL;
3482         int count;
3483         LDAPMod **mods = NULL;
3484         int rc;
3485         enum lsa_SidType type = SID_NAME_USE_NONE;
3486         fstring tmp;
3487
3488         char *filter = NULL;
3489
3490         if (sid_check_is_in_builtin(alias)) {
3491                 type = SID_NAME_ALIAS;
3492         }
3493
3494         if (sid_check_is_in_our_sam(alias)) {
3495                 type = SID_NAME_ALIAS;
3496         }
3497
3498         if (type == SID_NAME_USE_NONE) {
3499                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3500                           sid_string_dbg(alias)));
3501                 return NT_STATUS_NO_SUCH_ALIAS;
3502         }
3503
3504         if (asprintf(&filter,
3505                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3506                      LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3507                      type) < 0) {
3508                 return NT_STATUS_NO_MEMORY;
3509         }
3510
3511         if (ldapsam_search_one_group(ldap_state, filter,
3512                                      &result) != LDAP_SUCCESS) {
3513                 SAFE_FREE(filter);
3514                 return NT_STATUS_NO_SUCH_ALIAS;
3515         }
3516
3517         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3518                                    result);
3519
3520         if (count < 1) {
3521                 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3522                 ldap_msgfree(result);
3523                 SAFE_FREE(filter);
3524                 return NT_STATUS_NO_SUCH_ALIAS;
3525         }
3526
3527         if (count > 1) {
3528                 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3529                           "filter %s: count=%d\n", filter, count));
3530                 ldap_msgfree(result);
3531                 SAFE_FREE(filter);
3532                 return NT_STATUS_NO_SUCH_ALIAS;
3533         }
3534
3535         SAFE_FREE(filter);
3536
3537         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3538                                  result);
3539
3540         if (!entry) {
3541                 ldap_msgfree(result);
3542                 return NT_STATUS_UNSUCCESSFUL;
3543         }
3544
3545         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3546         if (!dn) {
3547                 ldap_msgfree(result);
3548                 return NT_STATUS_UNSUCCESSFUL;
3549         }
3550
3551         smbldap_set_mod(&mods, modop,
3552                         get_attr_key2string(groupmap_attr_list,
3553                                             LDAP_ATTR_SID_LIST),
3554                         sid_to_fstring(tmp, member));
3555
3556         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3557
3558         ldap_mods_free(mods, True);
3559         ldap_msgfree(result);
3560         TALLOC_FREE(dn);
3561
3562         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3563                 return NT_STATUS_MEMBER_IN_ALIAS;
3564         }
3565
3566         if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3567                 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3568         }
3569
3570         if (rc != LDAP_SUCCESS) {
3571                 return NT_STATUS_UNSUCCESSFUL;
3572         }
3573
3574         return NT_STATUS_OK;
3575 }
3576
3577 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3578                                      const struct dom_sid *alias,
3579                                      const struct dom_sid *member)
3580 {
3581         return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3582 }
3583
3584 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3585                                      const struct dom_sid *alias,
3586                                      const struct dom_sid *member)
3587 {
3588         return ldapsam_modify_aliasmem(methods, alias, member,
3589                                        LDAP_MOD_DELETE);
3590 }
3591
3592 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3593                                       const struct dom_sid *alias,
3594                                       TALLOC_CTX *mem_ctx,
3595                                       struct dom_sid **pp_members,
3596                                       size_t *p_num_members)
3597 {
3598         struct ldapsam_privates *ldap_state =
3599                 (struct ldapsam_privates *)methods->private_data;
3600         LDAPMessage *result = NULL;
3601         LDAPMessage *entry = NULL;
3602         int count;
3603         char **values = NULL;
3604         int i;
3605         char *filter = NULL;
3606         uint32_t num_members = 0;
3607         enum lsa_SidType type = SID_NAME_USE_NONE;
3608         fstring tmp;
3609
3610         *pp_members = NULL;
3611         *p_num_members = 0;
3612
3613         if (sid_check_is_in_builtin(alias)) {
3614                 type = SID_NAME_ALIAS;
3615         }
3616
3617         if (sid_check_is_in_our_sam(alias)) {
3618                 type = SID_NAME_ALIAS;
3619         }
3620
3621         if (type == SID_NAME_USE_NONE) {
3622                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3623                           sid_string_dbg(alias)));
3624                 return NT_STATUS_NO_SUCH_ALIAS;
3625         }
3626
3627         if (asprintf(&filter,
3628                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3629                      LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3630                      type) < 0) {
3631                 return NT_STATUS_NO_MEMORY;
3632         }
3633
3634         if (ldapsam_search_one_group(ldap_state, filter,
3635                                      &result) != LDAP_SUCCESS) {
3636                 SAFE_FREE(filter);
3637                 return NT_STATUS_NO_SUCH_ALIAS;
3638         }
3639
3640         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3641                                    result);
3642
3643         if (count < 1) {
3644                 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3645                 ldap_msgfree(result);
3646                 SAFE_FREE(filter);
3647                 return NT_STATUS_NO_SUCH_ALIAS;
3648         }
3649
3650         if (count > 1) {
3651                 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3652                           "filter %s: count=%d\n", filter, count));
3653                 ldap_msgfree(result);
3654                 SAFE_FREE(filter);
3655                 return NT_STATUS_NO_SUCH_ALIAS;
3656         }
3657
3658         SAFE_FREE(filter);
3659
3660         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3661                                  result);
3662
3663         if (!entry) {
3664                 ldap_msgfree(result);
3665                 return NT_STATUS_UNSUCCESSFUL;
3666         }
3667
3668         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3669                                  entry,
3670                                  get_attr_key2string(groupmap_attr_list,
3671                                                      LDAP_ATTR_SID_LIST));
3672
3673         if (values == NULL) {
3674                 ldap_msgfree(result);
3675                 return NT_STATUS_OK;
3676         }
3677
3678         count = ldap_count_values(values);
3679
3680         for (i=0; i<count; i++) {
3681                 struct dom_sid member;
3682                 NTSTATUS status;
3683
3684                 if (!string_to_sid(&member, values[i]))
3685                         continue;
3686
3687                 status = add_sid_to_array(mem_ctx, &member, pp_members,
3688                                           &num_members);
3689                 if (!NT_STATUS_IS_OK(status)) {
3690                         ldap_value_free(values);
3691                         ldap_msgfree(result);
3692                         return status;
3693                 }
3694         }
3695
3696         *p_num_members = num_members;
3697         ldap_value_free(values);
3698         ldap_msgfree(result);
3699
3700         return NT_STATUS_OK;
3701 }
3702
3703 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3704                                           TALLOC_CTX *mem_ctx,
3705                                           const struct dom_sid *domain_sid,
3706                                           const struct dom_sid *members,
3707                                           size_t num_members,
3708                                           uint32_t **pp_alias_rids,
3709                                           size_t *p_num_alias_rids)
3710 {
3711         struct ldapsam_privates *ldap_state =
3712                 (struct ldapsam_privates *)methods->private_data;
3713         LDAP *ldap_struct;
3714
3715         const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3716
3717         LDAPMessage *result = NULL;
3718         LDAPMessage *entry = NULL;
3719         int i;
3720         int rc;
3721         char *filter;
3722         enum lsa_SidType type = SID_NAME_USE_NONE;
3723         bool is_builtin = false;
3724         bool sid_added = false;
3725
3726         *pp_alias_rids = NULL;
3727         *p_num_alias_rids = 0;
3728
3729         if (sid_check_is_builtin(domain_sid)) {
3730                 is_builtin = true;
3731                 type = SID_NAME_ALIAS;
3732         }
3733
3734         if (sid_check_is_our_sam(domain_sid)) {
3735                 type = SID_NAME_ALIAS;
3736         }
3737
3738         if (type == SID_NAME_USE_NONE) {
3739                 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3740                           sid_string_dbg(domain_sid)));
3741                 return NT_STATUS_UNSUCCESSFUL;
3742         }
3743
3744         if (num_members == 0) {
3745                 return NT_STATUS_OK;
3746         }
3747
3748         filter = talloc_asprintf(mem_ctx,
3749                                  "(&(objectclass=%s)(sambaGroupType=%d)(|",
3750                                  LDAP_OBJ_GROUPMAP, type);
3751
3752         for (i=0; i<num_members; i++)
3753                 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3754                                          filter,
3755                                          sid_string_talloc(mem_ctx,
3756                                                            &members[i]));
3757
3758         filter = talloc_asprintf(mem_ctx, "%s))", filter);
3759
3760         if (filter == NULL) {
3761                 return NT_STATUS_NO_MEMORY;
3762         }
3763
3764         if (is_builtin &&
3765             ldap_state->search_cache.filter &&
3766             strcmp(ldap_state->search_cache.filter, filter) == 0) {
3767                 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3768                 result = ldap_state->search_cache.result;
3769                 ldap_state->search_cache.result = NULL;
3770         } else {
3771                 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3772                                     LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3773                 if (rc != LDAP_SUCCESS) {
3774                         return NT_STATUS_UNSUCCESSFUL;
3775                 }
3776                 talloc_autofree_ldapmsg(filter, result);
3777         }
3778
3779         ldap_struct = ldap_state->smbldap_state->ldap_struct;
3780
3781         for (entry = ldap_first_entry(ldap_struct, result);
3782              entry != NULL;
3783              entry = ldap_next_entry(ldap_struct, entry))
3784         {
3785                 fstring sid_str;
3786                 struct dom_sid sid;
3787                 uint32_t rid;
3788
3789                 if (!smbldap_get_single_attribute(ldap_struct, entry,
3790                                                   LDAP_ATTRIBUTE_SID,
3791                                                   sid_str,
3792                                                   sizeof(sid_str)-1))
3793                         continue;
3794
3795                 if (!string_to_sid(&sid, sid_str))
3796                         continue;
3797
3798                 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3799                         continue;
3800
3801                 sid_added = true;
3802
3803                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3804                                         p_num_alias_rids)) {
3805                         return NT_STATUS_NO_MEMORY;
3806                 }
3807         }
3808
3809         if (!is_builtin && !sid_added) {
3810                 TALLOC_FREE(ldap_state->search_cache.filter);
3811                 /*
3812                  * Note: result is a talloc child of filter because of the
3813                  * talloc_autofree_ldapmsg() usage
3814                  */
3815                 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3816                 ldap_state->search_cache.result = result;
3817         }
3818
3819         return NT_STATUS_OK;
3820 }
3821
3822 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3823                                                    enum pdb_policy_type type,
3824                                                    uint32_t value)
3825 {
3826         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3827         int rc;
3828         LDAPMod **mods = NULL;
3829         fstring value_string;
3830         const char *policy_attr = NULL;
3831
3832         struct ldapsam_privates *ldap_state =
3833                 (struct ldapsam_privates *)methods->private_data;
3834
3835         DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3836
3837         if (!ldap_state->domain_dn) {
3838                 return NT_STATUS_INVALID_PARAMETER;
3839         }
3840
3841         policy_attr = get_account_policy_attr(type);
3842         if (policy_attr == NULL) {
3843                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3844                          "policy\n"));
3845                 return ntstatus;
3846         }
3847
3848         slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3849
3850         smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3851
3852         rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3853                             mods);
3854
3855         ldap_mods_free(mods, True);
3856
3857         if (rc != LDAP_SUCCESS) {
3858                 return ntstatus;
3859         }
3860
3861         if (!cache_account_policy_set(type, value)) {
3862                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3863                          "update local tdb cache\n"));
3864                 return ntstatus;
3865         }
3866
3867         return NT_STATUS_OK;
3868 }
3869
3870 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3871                                            enum pdb_policy_type type,
3872                                            uint32_t value)
3873 {
3874         return ldapsam_set_account_policy_in_ldap(methods, type,
3875                                                   value);
3876 }
3877
3878 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3879                                                      enum pdb_policy_type type,
3880                                                      uint32_t *value)
3881 {
3882         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3883         LDAPMessage *result = NULL;
3884         LDAPMessage *entry = NULL;
3885         int count;
3886         int rc;
3887         char **vals = NULL;
3888         char *filter;
3889         const char *policy_attr = NULL;
3890
3891         struct ldapsam_privates *ldap_state =
3892                 (struct ldapsam_privates *)methods->private_data;
3893
3894         const char *attrs[2];
3895
3896         DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3897
3898         if (!ldap_state->domain_dn) {
3899                 return NT_STATUS_INVALID_PARAMETER;
3900         }
3901
3902         policy_attr = get_account_policy_attr(type);
3903         if (!policy_attr) {
3904                 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3905                          "policy index: %d\n", type));
3906                 return ntstatus;
3907         }
3908
3909         attrs[0] = policy_attr;
3910         attrs[1] = NULL;
3911
3912         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3913         if (filter == NULL) {
3914                 return NT_STATUS_NO_MEMORY;
3915         }
3916         rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3917                             LDAP_SCOPE_BASE, filter, attrs, 0,
3918                             &result);
3919         TALLOC_FREE(filter);
3920         if (rc != LDAP_SUCCESS) {
3921                 return ntstatus;
3922         }
3923
3924         count = ldap_count_entries(priv2ld(ldap_state), result);
3925         if (count < 1) {
3926                 goto out;
3927         }
3928
3929         entry = ldap_first_entry(priv2ld(ldap_state), result);
3930         if (entry == NULL) {
3931                 goto out;
3932         }
3933
3934         vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3935         if (vals == NULL) {
3936                 goto out;
3937         }
3938
3939         *value = (uint32_t)atol(vals[0]);
3940
3941         ntstatus = NT_STATUS_OK;
3942
3943 out:
3944         if (vals)
3945                 ldap_value_free(vals);
3946         ldap_msgfree(result);
3947
3948         return ntstatus;
3949 }
3950
3951 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3952
3953    - if user hasn't decided to use account policies inside LDAP just reuse the
3954      old tdb values
3955
3956    - if there is a valid cache entry, return that
3957    - if there is an LDAP entry, update cache and return
3958    - otherwise set to default, update cache and return
3959
3960    Guenther
3961 */
3962 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3963                                            enum pdb_policy_type type,
3964                                            uint32_t *value)
3965 {
3966         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3967
3968         if (cache_account_policy_get(type, value)) {
3969                 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3970                           "cache\n"));
3971                 return NT_STATUS_OK;
3972         }
3973
3974         ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
3975                                                         value);
3976         if (NT_STATUS_IS_OK(ntstatus)) {
3977                 goto update_cache;
3978         }
3979
3980         DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3981                   "ldap\n"));
3982
3983 #if 0
3984         /* should we automagically migrate old tdb value here ? */
3985         if (account_policy_get(type, value))
3986                 goto update_ldap;
3987
3988         DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3989                   "default\n", type));
3990 #endif
3991
3992         if (!account_policy_get_default(type, value)) {
3993                 return ntstatus;
3994         }
3995
3996 /* update_ldap: */
3997
3998         ntstatus = ldapsam_set_account_policy(methods, type, *value);
3999         if (!NT_STATUS_IS_OK(ntstatus)) {
4000                 return ntstatus;
4001         }
4002
4003  update_cache:
4004
4005         if (!cache_account_policy_set(type, *value)) {
4006                 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4007                          "tdb as a cache\n"));
4008                 return NT_STATUS_UNSUCCESSFUL;
4009         }
4010
4011         return NT_STATUS_OK;
4012 }
4013
4014 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4015                                     const struct dom_sid *domain_sid,
4016                                     int num_rids,
4017                                     uint32_t *rids,
4018                                     const char **names,
4019                                     enum lsa_SidType *attrs)
4020 {
4021         struct ldapsam_privates *ldap_state =
4022                 (struct ldapsam_privates *)methods->private_data;
4023         LDAPMessage *msg = NULL;
4024         LDAPMessage *entry;
4025         char *allsids = NULL;
4026         int i, rc, num_mapped;
4027         NTSTATUS result = NT_STATUS_NO_MEMORY;
4028         TALLOC_CTX *mem_ctx;
4029         LDAP *ld;
4030         bool is_builtin;
4031
4032         mem_ctx = talloc_new(NULL);
4033         if (mem_ctx == NULL) {
4034                 DEBUG(0, ("talloc_new failed\n"));
4035                 goto done;
4036         }
4037
4038         if (!sid_check_is_builtin(domain_sid) &&
4039             !sid_check_is_our_sam(domain_sid)) {
4040                 result = NT_STATUS_INVALID_PARAMETER;
4041                 goto done;
4042         }
4043
4044         if (num_rids == 0) {
4045                 result = NT_STATUS_NONE_MAPPED;
4046                 goto done;
4047         }
4048
4049         for (i=0; i<num_rids; i++)
4050                 attrs[i] = SID_NAME_UNKNOWN;
4051
4052         allsids = talloc_strdup(mem_ctx, "");
4053         if (allsids == NULL) {
4054                 goto done;
4055         }
4056
4057         for (i=0; i<num_rids; i++) {
4058                 struct dom_sid sid;
4059                 sid_compose(&sid, domain_sid, rids[i]);
4060                 allsids = talloc_asprintf_append_buffer(
4061                         allsids, "(sambaSid=%s)",
4062                         sid_string_talloc(mem_ctx, &sid));
4063                 if (allsids == NULL) {
4064                         goto done;
4065                 }
4066         }
4067
4068         /* First look for users */
4069
4070         {
4071                 char *filter;
4072                 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4073
4074                 filter = talloc_asprintf(
4075                         mem_ctx, ("(&(objectClass=%s)(|%s))"),
4076                         LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4077
4078                 if (filter == NULL) {
4079                         goto done;
4080                 }
4081
4082                 rc = smbldap_search(ldap_state->smbldap_state,
4083                                     lp_ldap_user_suffix(talloc_tos()),
4084                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4085                                     &msg);
4086                 talloc_autofree_ldapmsg(mem_ctx, msg);
4087         }
4088
4089         if (rc != LDAP_SUCCESS)
4090                 goto done;
4091
4092         ld = ldap_state->smbldap_state->ldap_struct;
4093         num_mapped = 0;
4094
4095         for (entry = ldap_first_entry(ld, msg);
4096              entry != NULL;
4097              entry = ldap_next_entry(ld, entry)) {
4098                 uint32_t rid;
4099                 int rid_index;
4100                 const char *name;
4101
4102                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4103                                                     &rid)) {
4104                         DEBUG(2, ("Could not find sid from ldap entry\n"));
4105                         continue;
4106                 }
4107
4108                 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4109                                                        names);
4110                 if (name == NULL) {
4111                         DEBUG(2, ("Could not retrieve uid attribute\n"));
4112                         continue;
4113                 }
4114
4115                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4116                         if (rid == rids[rid_index])
4117                                 break;
4118                 }
4119
4120                 if (rid_index == num_rids) {
4121                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4122                         continue;
4123                 }
4124
4125                 attrs[rid_index] = SID_NAME_USER;
4126                 names[rid_index] = name;
4127                 num_mapped += 1;
4128         }
4129
4130         if (num_mapped == num_rids) {
4131                 /* No need to look for groups anymore -- we're done */
4132                 result = NT_STATUS_OK;
4133                 goto done;
4134         }
4135
4136         /* Same game for groups */
4137
4138         {
4139                 char *filter;
4140                 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4141                                              "sambaGroupType", NULL };
4142
4143                 filter = talloc_asprintf(
4144                         mem_ctx, "(&(objectClass=%s)(|%s))",
4145                         LDAP_OBJ_GROUPMAP, allsids);
4146                 if (filter == NULL) {
4147                         goto done;
4148                 }
4149
4150                 rc = smbldap_search(ldap_state->smbldap_state,
4151                                     lp_ldap_suffix(talloc_tos()),
4152                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4153                                     &msg);
4154                 talloc_autofree_ldapmsg(mem_ctx, msg);
4155         }
4156
4157         if (rc != LDAP_SUCCESS)
4158                 goto done;
4159
4160         /* ldap_struct might have changed due to a reconnect */
4161
4162         ld = ldap_state->smbldap_state->ldap_struct;
4163
4164         /* For consistency checks, we already checked we're only domain or builtin */
4165
4166         is_builtin = sid_check_is_builtin(domain_sid);
4167
4168         for (entry = ldap_first_entry(ld, msg);
4169              entry != NULL;
4170              entry = ldap_next_entry(ld, entry))
4171         {
4172                 uint32_t rid;
4173                 int rid_index;
4174                 const char *attr;
4175                 enum lsa_SidType type;
4176                 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4177
4178                 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4179                                                        mem_ctx);
4180                 if (attr == NULL) {
4181                         DEBUG(2, ("Could not extract type from ldap entry %s\n",
4182                                   dn));
4183                         continue;
4184                 }
4185
4186                 type = (enum lsa_SidType)atol(attr);
4187
4188                 /* Consistency checks */
4189                 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4190                     (!is_builtin && ((type != SID_NAME_ALIAS) &&
4191                                      (type != SID_NAME_DOM_GRP)))) {
4192                         DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4193                 }
4194
4195                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4196                                                     &rid)) {
4197                         DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4198                         continue;
4199                 }
4200
4201                 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4202
4203                 if (attr == NULL) {
4204                         DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4205                                    dn));
4206                         attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4207                 }
4208
4209                 if (attr == NULL) {
4210                         DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4211                                   dn));
4212                         continue;
4213                 }
4214
4215                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4216                         if (rid == rids[rid_index])
4217                                 break;
4218                 }
4219
4220                 if (rid_index == num_rids) {
4221                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4222                         continue;
4223                 }
4224
4225                 attrs[rid_index] = type;
4226                 names[rid_index] = attr;
4227                 num_mapped += 1;
4228         }
4229
4230         result = NT_STATUS_NONE_MAPPED;
4231
4232         if (num_mapped > 0)
4233                 result = (num_mapped == num_rids) ?
4234                         NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4235  done:
4236         TALLOC_FREE(mem_ctx);
4237         return result;
4238 }
4239
4240 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4241 {
4242         char *filter = NULL;
4243         char *escaped = NULL;
4244         char *result = NULL;
4245
4246         if (asprintf(&filter, "(&%s(objectclass=%s))",
4247                           "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4248                 goto done;
4249         }
4250
4251         escaped = escape_ldap_string(talloc_tos(), username);
4252         if (escaped == NULL) goto done;
4253
4254         result = talloc_string_sub(mem_ctx, filter, "%u", username);
4255
4256  done:
4257         SAFE_FREE(filter);
4258         TALLOC_FREE(escaped);
4259
4260         return result;
4261 }
4262
4263 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4264 {
4265         int i, num = 0;
4266         va_list ap;
4267         const char **result;
4268
4269         va_start(ap, mem_ctx);
4270         while (va_arg(ap, const char *) != NULL)
4271                 num += 1;
4272         va_end(ap);
4273
4274         if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4275                 return NULL;
4276         }
4277
4278         va_start(ap, mem_ctx);
4279         for (i=0; i<num; i++) {
4280                 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4281                 if (result[i] == NULL) {
4282                         talloc_free(result);
4283                         va_end(ap);
4284                         return NULL;
4285                 }
4286         }
4287         va_end(ap);
4288
4289         result[num] = NULL;
4290         return result;
4291 }
4292
4293 struct ldap_search_state {
4294         struct smbldap_state *connection;
4295
4296         uint32_t acct_flags;
4297         uint16_t group_type;
4298
4299         const char *base;
4300         int scope;
4301         const char *filter;
4302         const char **attrs;
4303         int attrsonly;
4304         void *pagedresults_cookie;
4305
4306         LDAPMessage *entries, *current_entry;
4307         bool (*ldap2displayentry)(struct ldap_search_state *state,
4308                                   TALLOC_CTX *mem_ctx,
4309                                   LDAP *ld, LDAPMessage *entry,
4310                                   struct samr_displayentry *result);
4311 };
4312
4313 static bool ldapsam_search_firstpage(struct pdb_search *search)
4314 {
4315         struct ldap_search_state *state =
4316                 (struct ldap_search_state *)search->private_data;
4317         LDAP *ld;
4318         int rc = LDAP_OPERATIONS_ERROR;
4319
4320         state->entries = NULL;
4321
4322         if (state->connection->paged_results) {
4323                 rc = smbldap_search_paged(state->connection, state->base,
4324                                           state->scope, state->filter,
4325                                           state->attrs, state->attrsonly,
4326                                           lp_ldap_page_size(), &state->entries,
4327                                           &state->pagedresults_cookie);
4328         }
4329
4330         if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4331
4332                 if (state->entries != NULL) {
4333                         /* Left over from unsuccessful paged attempt */
4334                         ldap_msgfree(state->entries);
4335                         state->entries = NULL;
4336                 }
4337
4338                 rc = smbldap_search(state->connection, state->base,
4339                                     state->scope, state->filter, state->attrs,
4340                                     state->attrsonly, &state->entries);
4341
4342                 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4343                         return False;
4344
4345                 /* Ok, the server was lying. It told us it could do paged
4346                  * searches when it could not. */
4347                 state->connection->paged_results = False;
4348         }
4349
4350         ld = state->connection->ldap_struct;
4351         if ( ld == NULL) {
4352                 DEBUG(5, ("Don't have an LDAP connection right after a "
4353                           "search\n"));
4354                 return False;
4355         }
4356         state->current_entry = ldap_first_entry(ld, state->entries);
4357
4358         return True;
4359 }
4360
4361 static bool ldapsam_search_nextpage(struct pdb_search *search)
4362 {
4363         struct ldap_search_state *state =
4364                 (struct ldap_search_state *)search->private_data;
4365         int rc;
4366
4367         if (!state->connection->paged_results) {
4368                 /* There is no next page when there are no paged results */
4369                 return False;
4370         }
4371
4372         rc = smbldap_search_paged(state->connection, state->base,
4373                                   state->scope, state->filter, state->attrs,
4374                                   state->attrsonly, lp_ldap_page_size(),
4375                                   &state->entries,
4376                                   &state->pagedresults_cookie);
4377
4378         if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4379                 return False;
4380
4381         state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4382
4383         if (state->current_entry == NULL) {
4384                 ldap_msgfree(state->entries);
4385                 state->entries = NULL;
4386                 return false;
4387         }
4388
4389         return True;
4390 }
4391
4392 static bool ldapsam_search_next_entry(struct pdb_search *search,
4393                                       struct samr_displayentry *entry)
4394 {
4395         struct ldap_search_state *state =
4396                 (struct ldap_search_state *)search->private_data;
4397         bool result;
4398
4399  retry:
4400         if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4401                 return False;
4402
4403         if ((state->entries == NULL) &&
4404             !ldapsam_search_nextpage(search))
4405                     return False;
4406
4407         if (state->current_entry == NULL) {
4408                 return false;
4409         }
4410
4411         result = state->ldap2displayentry(state, search,
4412                                           state->connection->ldap_struct,
4413                                           state->current_entry, entry);
4414
4415         if (!result) {
4416                 char *dn;
4417                 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4418                 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4419                 if (dn != NULL) ldap_memfree(dn);
4420         }
4421
4422         state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4423
4424         if (state->current_entry == NULL) {
4425                 ldap_msgfree(state->entries);
4426                 state->entries = NULL;
4427         }
4428
4429         if (!result) goto retry;
4430
4431         return True;
4432 }
4433
4434 static void ldapsam_search_end(struct pdb_search *search)
4435 {
4436         struct ldap_search_state *state =
4437                 (struct ldap_search_state *)search->private_data;
4438         int rc;
4439
4440         if (state->pagedresults_cookie == NULL)
4441                 return;
4442
4443         if (state->entries != NULL)
4444                 ldap_msgfree(state->entries);
4445
4446         state->entries = NULL;
4447         state->current_entry = NULL;
4448
4449         if (!state->connection->paged_results)
4450                 return;
4451
4452         /* Tell the LDAP server we're not interested in the rest anymore. */
4453
4454         rc = smbldap_search_paged(state->connection, state->base, state->scope,
4455                                   state->filter, state->attrs,
4456                                   state->attrsonly, 0, &state->entries,
4457                                   &state->pagedresults_cookie);
4458
4459         if (rc != LDAP_SUCCESS)
4460                 DEBUG(5, ("Could not end search properly\n"));
4461
4462         return;
4463 }
4464
4465 static bool ldapuser2displayentry(struct ldap_search_state *state,
4466                                   TALLOC_CTX *mem_ctx,
4467                                   LDAP *ld, LDAPMessage *entry,
4468                                   struct samr_displayentry *result)
4469 {
4470         char **vals;
4471         size_t converted_size;
4472         struct dom_sid sid;
4473         uint32_t acct_flags;
4474
4475         vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4476         if ((vals == NULL) || (vals[0] == NULL)) {
4477                 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4478                 return False;
4479         }
4480         acct_flags = pdb_decode_acct_ctrl(vals[0]);
4481         ldap_value_free(vals);
4482
4483         if ((state->acct_flags != 0) &&
4484             ((state->acct_flags & acct_flags) == 0))
4485                 return False;
4486
4487         result->acct_flags = acct_flags;
4488         result->account_name = "";
4489         result->fullname = "";
4490         result->description = "";
4491
4492         vals = ldap_get_values(ld, entry, "uid");
4493         if ((vals == NULL) || (vals[0] == NULL)) {
4494                 DEBUG(5, ("\"uid\" not found\n"));
4495                 return False;
4496         }
4497         if (!pull_utf8_talloc(mem_ctx,
4498                               discard_const_p(char *, &result->account_name),
4499                               vals[0], &converted_size))
4500         {
4501                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4502                          strerror(errno)));
4503         }
4504
4505         ldap_value_free(vals);
4506
4507         vals = ldap_get_values(ld, entry, "displayName");
4508         if ((vals == NULL) || (vals[0] == NULL))
4509                 DEBUG(8, ("\"displayName\" not found\n"));
4510         else if (!pull_utf8_talloc(mem_ctx,
4511                                    discard_const_p(char *, &result->fullname),
4512                                    vals[0], &converted_size))
4513         {
4514                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4515                          strerror(errno)));
4516         }
4517
4518         ldap_value_free(vals);
4519
4520         vals = ldap_get_values(ld, entry, "description");
4521         if ((vals == NULL) || (vals[0] == NULL))
4522                 DEBUG(8, ("\"description\" not found\n"));
4523         else if (!pull_utf8_talloc(mem_ctx,
4524                                    discard_const_p(char *, &result->description),
4525                                    vals[0], &converted_size))
4526         {
4527                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4528                          strerror(errno)));
4529         }
4530
4531         ldap_value_free(vals);
4532
4533         if ((result->account_name == NULL) ||
4534             (result->fullname == NULL) ||
4535             (result->description == NULL)) {
4536                 DEBUG(0, ("talloc failed\n"));
4537                 return False;
4538         }
4539
4540         vals = ldap_get_values(ld, entry, "sambaSid");
4541         if ((vals == NULL) || (vals[0] == NULL)) {
4542                 DEBUG(0, ("\"objectSid\" not found\n"));
4543                 return False;
4544         }
4545
4546         if (!string_to_sid(&sid, vals[0])) {
4547                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4548                 ldap_value_free(vals);
4549                 return False;
4550         }
4551         ldap_value_free(vals);
4552
4553         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4554                 DEBUG(0, ("sid %s does not belong to our domain\n",
4555                           sid_string_dbg(&sid)));
4556                 return False;
4557         }
4558
4559         return True;
4560 }
4561
4562
4563 static bool ldapsam_search_users(struct pdb_methods *methods,
4564                                  struct pdb_search *search,
4565                                  uint32_t acct_flags)
4566 {
4567         struct ldapsam_privates *ldap_state =
4568                 (struct ldapsam_privates *)methods->private_data;
4569         struct ldap_search_state *state;
4570
4571         state = talloc(search, struct ldap_search_state);
4572         if (state == NULL) {
4573                 DEBUG(0, ("talloc failed\n"));
4574                 return False;
4575         }
4576
4577         state->connection = ldap_state->smbldap_state;
4578
4579         if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4580                 state->base = lp_ldap_user_suffix(talloc_tos());
4581         else if ((acct_flags != 0) &&
4582                  ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4583                 state->base = lp_ldap_machine_suffix(talloc_tos());
4584         else
4585                 state->base = lp_ldap_suffix(talloc_tos());
4586
4587         state->acct_flags = acct_flags;
4588         state->base = talloc_strdup(search, state->base);
4589         state->scope = LDAP_SCOPE_SUBTREE;
4590         state->filter = get_ldap_filter(search, "*");
4591         state->attrs = talloc_attrs(search, "uid", "sambaSid",
4592                                     "displayName", "description",
4593                                     "sambaAcctFlags", NULL);
4594         state->attrsonly = 0;
4595         state->pagedresults_cookie = NULL;
4596         state->entries = NULL;
4597         state->ldap2displayentry = ldapuser2displayentry;
4598
4599         if ((state->filter == NULL) || (state->attrs == NULL)) {
4600                 DEBUG(0, ("talloc failed\n"));
4601                 return False;
4602         }
4603
4604         search->private_data = state;
4605         search->next_entry = ldapsam_search_next_entry;
4606         search->search_end = ldapsam_search_end;
4607
4608         return ldapsam_search_firstpage(search);
4609 }
4610
4611 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4612                                    TALLOC_CTX *mem_ctx,
4613                                    LDAP *ld, LDAPMessage *entry,
4614                                    struct samr_displayentry *result)
4615 {
4616         char **vals;
4617         size_t converted_size;
4618         struct dom_sid sid;
4619         uint16_t group_type;
4620
4621         result->account_name = "";
4622         result->fullname = "";
4623         result->description = "";
4624
4625
4626         vals = ldap_get_values(ld, entry, "sambaGroupType");
4627         if ((vals == NULL) || (vals[0] == NULL)) {
4628                 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4629                 if (vals != NULL) {
4630                         ldap_value_free(vals);
4631                 }
4632                 return False;
4633         }
4634
4635         group_type = atoi(vals[0]);
4636
4637         if ((state->group_type != 0) &&
4638             ((state->group_type != group_type))) {
4639                 ldap_value_free(vals);
4640                 return False;
4641         }
4642
4643         ldap_value_free(vals);
4644
4645         /* display name is the NT group name */
4646
4647         vals = ldap_get_values(ld, entry, "displayName");
4648         if ((vals == NULL) || (vals[0] == NULL)) {
4649                 DEBUG(8, ("\"displayName\" not found\n"));
4650
4651                 /* fallback to the 'cn' attribute */
4652                 vals = ldap_get_values(ld, entry, "cn");
4653                 if ((vals == NULL) || (vals[0] == NULL)) {
4654                         DEBUG(5, ("\"cn\" not found\n"));
4655                         return False;
4656                 }
4657                 if (!pull_utf8_talloc(mem_ctx,
4658                                       discard_const_p(char *,
4659                                                     &result->account_name),
4660                                       vals[0], &converted_size))
4661                 {
4662                         DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4663                                   "failed: %s", strerror(errno)));
4664                 }
4665         }
4666         else if (!pull_utf8_talloc(mem_ctx,
4667                                    discard_const_p(char *,
4668                                                  &result->account_name),
4669                                    vals[0], &converted_size))
4670         {
4671                 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4672                           strerror(errno)));
4673         }
4674
4675         ldap_value_free(vals);
4676
4677         vals = ldap_get_values(ld, entry, "description");
4678         if ((vals == NULL) || (vals[0] == NULL))
4679                 DEBUG(8, ("\"description\" not found\n"));
4680         else if (!pull_utf8_talloc(mem_ctx,
4681                                    discard_const_p(char *, &result->description),
4682                                    vals[0], &converted_size))
4683         {
4684                 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4685                           strerror(errno)));
4686         }
4687         ldap_value_free(vals);
4688
4689         if ((result->account_name == NULL) ||
4690             (result->fullname == NULL) ||
4691             (result->description == NULL)) {
4692                 DEBUG(0, ("talloc failed\n"));
4693                 return False;
4694         }
4695
4696         vals = ldap_get_values(ld, entry, "sambaSid");
4697         if ((vals == NULL) || (vals[0] == NULL)) {
4698                 DEBUG(0, ("\"objectSid\" not found\n"));
4699                 if (vals != NULL) {
4700                         ldap_value_free(vals);
4701                 }
4702                 return False;
4703         }
4704
4705         if (!string_to_sid(&sid, vals[0])) {
4706                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4707                 return False;
4708         }
4709
4710         ldap_value_free(vals);
4711
4712         switch (group_type) {
4713                 case SID_NAME_DOM_GRP:
4714                 case SID_NAME_ALIAS:
4715
4716                         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4717                                 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4718                         {
4719                                 DEBUG(0, ("%s is not in our domain\n",
4720                                           sid_string_dbg(&sid)));
4721                                 return False;
4722                         }
4723                         break;
4724
4725                 default:
4726                         DEBUG(0,("unknown group type: %d\n", group_type));
4727                         return False;
4728         }
4729
4730         result->acct_flags = 0;
4731
4732         return True;
4733 }
4734
4735 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4736                                      struct pdb_search *search,
4737                                      const struct dom_sid *sid,
4738                                      enum lsa_SidType type)
4739 {
4740         struct ldapsam_privates *ldap_state =
4741                 (struct ldapsam_privates *)methods->private_data;
4742         struct ldap_search_state *state;
4743         fstring tmp;
4744
4745         state = talloc(search, struct ldap_search_state);
4746         if (state == NULL) {
4747                 DEBUG(0, ("talloc failed\n"));
4748                 return False;
4749         }
4750
4751         state->connection = ldap_state->smbldap_state;
4752
4753         state->base = lp_ldap_suffix(search);
4754         state->connection = ldap_state->smbldap_state;
4755         state->scope = LDAP_SCOPE_SUBTREE;
4756         state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4757                                         "(sambaGroupType=%d)(sambaSID=%s*))",
4758                                          LDAP_OBJ_GROUPMAP,
4759                                          type, sid_to_fstring(tmp, sid));
4760         state->attrs = talloc_attrs(search, "cn", "sambaSid",
4761                                     "displayName", "description",
4762                                     "sambaGroupType", NULL);
4763         state->attrsonly = 0;
4764         state->pagedresults_cookie = NULL;
4765         state->entries = NULL;
4766         state->group_type = type;
4767         state->ldap2displayentry = ldapgroup2displayentry;
4768
4769         if ((state->filter == NULL) || (state->attrs == NULL)) {
4770                 DEBUG(0, ("talloc failed\n"));
4771                 return False;
4772         }
4773
4774         search->private_data = state;
4775         search->next_entry = ldapsam_search_next_entry;
4776         search->search_end = ldapsam_search_end;
4777
4778         return ldapsam_search_firstpage(search);
4779 }
4780
4781 static bool ldapsam_search_groups(struct pdb_methods *methods,
4782                                   struct pdb_search *search)
4783 {
4784         return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4785 }
4786
4787 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4788                                    struct pdb_search *search,
4789                                    const struct dom_sid *sid)
4790 {
4791         return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4792 }
4793
4794 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4795 {
4796         return PDB_CAP_STORE_RIDS;
4797 }
4798
4799 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4800                                     uint32_t *rid)
4801 {
4802         struct smbldap_state *smbldap_state = priv->smbldap_state;
4803
4804         LDAPMessage *result = NULL;
4805         LDAPMessage *entry = NULL;
4806         LDAPMod **mods = NULL;
4807         NTSTATUS status;
4808         char *value;
4809         int rc;
4810         uint32_t nextRid = 0;
4811         const char *dn;
4812
4813         TALLOC_CTX *mem_ctx;
4814
4815         mem_ctx = talloc_new(NULL);
4816         if (mem_ctx == NULL) {
4817                 DEBUG(0, ("talloc_new failed\n"));
4818                 return NT_STATUS_NO_MEMORY;
4819         }
4820
4821         status = smbldap_search_domain_info(smbldap_state, &result,
4822                                             get_global_sam_name(), False);
4823         if (!NT_STATUS_IS_OK(status)) {
4824                 DEBUG(3, ("Could not get domain info: %s\n",
4825                           nt_errstr(status)));
4826                 goto done;
4827         }
4828
4829         talloc_autofree_ldapmsg(mem_ctx, result);
4830
4831         entry = ldap_first_entry(priv2ld(priv), result);
4832         if (entry == NULL) {
4833                 DEBUG(0, ("Could not get domain info entry\n"));
4834                 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4835                 goto done;
4836         }
4837
4838         /* Find the largest of the three attributes "sambaNextRid",
4839            "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4840            concept of differentiating between user and group rids, and will
4841            use only "sambaNextRid" in the future. But for compatibility
4842            reasons I look if others have chosen different strategies -- VL */
4843
4844         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4845                                                 "sambaNextRid", mem_ctx);
4846         if (value != NULL) {
4847                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4848                 nextRid = MAX(nextRid, tmp);
4849         }
4850
4851         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4852                                                 "sambaNextUserRid", mem_ctx);
4853         if (value != NULL) {
4854                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4855                 nextRid = MAX(nextRid, tmp);
4856         }
4857
4858         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4859                                                 "sambaNextGroupRid", mem_ctx);
4860         if (value != NULL) {
4861                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4862                 nextRid = MAX(nextRid, tmp);
4863         }
4864
4865         if (nextRid == 0) {
4866                 nextRid = BASE_RID-1;
4867         }
4868
4869         nextRid += 1;
4870
4871         smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4872                          talloc_asprintf(mem_ctx, "%d", nextRid));
4873         talloc_autofree_ldapmod(mem_ctx, mods);
4874
4875         if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4876                 status = NT_STATUS_NO_MEMORY;
4877                 goto done;
4878         }
4879
4880         rc = smbldap_modify(smbldap_state, dn, mods);
4881
4882         /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4883          * please retry" */
4884
4885         status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4886
4887  done:
4888         if (NT_STATUS_IS_OK(status)) {
4889                 *rid = nextRid;
4890         }
4891
4892         TALLOC_FREE(mem_ctx);
4893         return status;
4894 }
4895
4896 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4897 {
4898         int i;
4899
4900         for (i=0; i<10; i++) {
4901                 NTSTATUS result = ldapsam_get_new_rid(
4902                         (struct ldapsam_privates *)methods->private_data, rid);
4903                 if (NT_STATUS_IS_OK(result)) {
4904                         return result;
4905                 }
4906
4907                 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4908                         return result;
4909                 }
4910
4911                 /* The ldap update failed (maybe a race condition), retry */
4912         }
4913
4914         /* Tried 10 times, fail. */
4915         return NT_STATUS_ACCESS_DENIED;
4916 }
4917
4918 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4919 {
4920         NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4921         return NT_STATUS_IS_OK(result) ? True : False;
4922 }
4923
4924 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4925                               const struct dom_sid *sid,
4926                               struct unixid *id)
4927 {
4928         struct ldapsam_privates *priv =
4929                 (struct ldapsam_privates *)methods->private_data;
4930         char *filter;
4931         const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4932                                 NULL };
4933         LDAPMessage *result = NULL;
4934         LDAPMessage *entry = NULL;
4935         bool ret = False;
4936         char *value;
4937         int rc;
4938
4939         TALLOC_CTX *mem_ctx;
4940
4941         if (!sid_check_is_in_our_sam(sid)) {
4942                 /* Not our SID */
4943                 return False;
4944         }
4945
4946         mem_ctx = talloc_new(NULL);
4947         if (mem_ctx == NULL) {
4948                 DEBUG(0, ("talloc_new failed\n"));
4949                 return False;
4950         }
4951
4952         filter = talloc_asprintf(mem_ctx,
4953                                  "(&(sambaSid=%s)"
4954                                  "(|(objectClass=%s)(objectClass=%s)))",
4955                                  sid_string_talloc(mem_ctx, sid),
4956                                  LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4957         if (filter == NULL) {
4958                 DEBUG(5, ("talloc_asprintf failed\n"));
4959                 goto done;
4960         }
4961
4962         rc = smbldap_search_suffix(priv->smbldap_state, filter,
4963                                    attrs, &result);
4964         if (rc != LDAP_SUCCESS) {
4965                 goto done;
4966         }
4967         talloc_autofree_ldapmsg(mem_ctx, result);
4968
4969         if (ldap_count_entries(priv2ld(priv), result) != 1) {
4970                 DEBUG(10, ("Got %d entries, expected one\n",
4971                            ldap_count_entries(priv2ld(priv), result)));
4972                 goto done;
4973         }
4974
4975         entry = ldap_first_entry(priv2ld(priv), result);
4976
4977         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4978                                                 "sambaGroupType", mem_ctx);
4979
4980         if (value != NULL) {
4981                 const char *gid_str;
4982                 /* It's a group */
4983
4984                 gid_str = smbldap_talloc_single_attribute(
4985                         priv2ld(priv), entry, "gidNumber", mem_ctx);
4986                 if (gid_str == NULL) {
4987                         DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4988                                   smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4989                                                     entry)));
4990                         goto done;
4991                 }
4992
4993                 id->id = strtoul(gid_str, NULL, 10);
4994                 id->type = ID_TYPE_GID;
4995                 idmap_cache_set_sid2unixid(sid, id);
4996                 ret = True;
4997                 goto done;
4998         }
4999
5000         /* It must be a user */
5001
5002         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5003                                                 "uidNumber", mem_ctx);
5004         if (value == NULL) {
5005                 DEBUG(1, ("Could not find uidNumber in %s\n",
5006                           smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5007                 goto done;
5008         }
5009
5010         id->id = strtoul(value, NULL, 10);
5011         id->type = ID_TYPE_UID;
5012         idmap_cache_set_sid2unixid(sid, id);
5013
5014         ret = True;
5015  done:
5016         TALLOC_FREE(mem_ctx);
5017         return ret;
5018 }
5019
5020 /**
5021  * Find the SID for a uid.
5022  * This is shortcut is only used if ldapsam:trusted is set to true.
5023  */
5024 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5025                                struct dom_sid *sid)
5026 {
5027         struct ldapsam_privates *priv =
5028                 (struct ldapsam_privates *)methods->private_data;
5029         char *filter;
5030         const char *attrs[] = { "sambaSID", NULL };
5031         LDAPMessage *result = NULL;
5032         LDAPMessage *entry = NULL;
5033         bool ret = false;
5034         char *user_sid_string;
5035         struct dom_sid user_sid;
5036         int rc;
5037         TALLOC_CTX *tmp_ctx = talloc_stackframe();
5038         struct unixid id;
5039
5040         filter = talloc_asprintf(tmp_ctx,
5041                                  "(&(uidNumber=%u)"
5042                                  "(objectClass=%s)"
5043                                  "(objectClass=%s))",
5044                                  (unsigned int)uid,
5045                                  LDAP_OBJ_POSIXACCOUNT,
5046                                  LDAP_OBJ_SAMBASAMACCOUNT);
5047         if (filter == NULL) {
5048                 DEBUG(3, ("talloc_asprintf failed\n"));
5049                 goto done;
5050         }
5051
5052         rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5053         if (rc != LDAP_SUCCESS) {
5054                 goto done;
5055         }
5056         talloc_autofree_ldapmsg(tmp_ctx, result);
5057
5058         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5059                 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5060                            ldap_count_entries(priv2ld(priv), result),
5061                            (unsigned int)uid));
5062                 goto done;
5063         }
5064
5065         entry = ldap_first_entry(priv2ld(priv), result);
5066
5067         user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5068                                                           "sambaSID", tmp_ctx);
5069         if (user_sid_string == NULL) {
5070                 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5071                           smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5072                 goto done;
5073         }
5074
5075         if (!string_to_sid(&user_sid, user_sid_string)) {
5076                 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5077                           user_sid_string));
5078                 goto done;
5079         }
5080
5081         sid_copy(sid, &user_sid);
5082
5083         id.id = uid;
5084         id.type = ID_TYPE_UID;
5085
5086         idmap_cache_set_sid2unixid(sid, &id);
5087
5088         ret = true;
5089
5090  done:
5091         TALLOC_FREE(tmp_ctx);
5092         return ret;
5093 }
5094
5095 /**
5096  * Find the SID for a gid.
5097  * This is shortcut is only used if ldapsam:trusted is set to true.
5098  */
5099 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5100                                struct dom_sid *sid)
5101 {
5102         struct ldapsam_privates *priv =
5103                 (struct ldapsam_privates *)methods->private_data;
5104         char *filter;
5105         const char *attrs[] = { "sambaSID", NULL };
5106         LDAPMessage *result = NULL;
5107         LDAPMessage *entry = NULL;
5108         bool ret = false;
5109         char *group_sid_string;
5110         struct dom_sid group_sid;
5111         int rc;
5112         TALLOC_CTX *tmp_ctx = talloc_stackframe();
5113         struct unixid id;
5114
5115         filter = talloc_asprintf(tmp_ctx,
5116                                  "(&(gidNumber=%u)"
5117                                  "(objectClass=%s))",
5118                                  (unsigned int)gid,
5119                                  LDAP_OBJ_GROUPMAP);
5120         if (filter == NULL) {
5121                 DEBUG(3, ("talloc_asprintf failed\n"));
5122                 goto done;
5123         }
5124
5125         rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5126         if (rc != LDAP_SUCCESS) {
5127                 goto done;
5128         }
5129         talloc_autofree_ldapmsg(tmp_ctx, result);
5130
5131         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5132                 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5133                            ldap_count_entries(priv2ld(priv), result),
5134                            (unsigned int)gid));
5135                 goto done;
5136         }
5137
5138         entry = ldap_first_entry(priv2ld(priv), result);
5139
5140         group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5141                                                           "sambaSID", tmp_ctx);
5142         if (group_sid_string == NULL) {
5143                 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5144                           smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5145                 goto done;
5146         }
5147
5148         if (!string_to_sid(&group_sid, group_sid_string)) {
5149                 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5150                           group_sid_string));
5151                 goto done;
5152         }
5153
5154         sid_copy(sid, &group_sid);
5155
5156         id.id = gid;
5157         id.type = ID_TYPE_GID;
5158
5159         idmap_cache_set_sid2unixid(sid, &id);
5160
5161         ret = true;
5162
5163  done:
5164         TALLOC_FREE(tmp_ctx);
5165         return ret;
5166 }
5167
5168
5169 /*
5170  * The following functions are called only if
5171  * ldapsam:trusted and ldapsam:editposix are
5172  * set to true
5173  */
5174
5175 /*
5176  * ldapsam_create_user creates a new
5177  * posixAccount and sambaSamAccount object
5178  * in the ldap users subtree
5179  *
5180  * The uid is allocated by winbindd.
5181  */
5182
5183 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5184                                     TALLOC_CTX *tmp_ctx, const char *name,
5185                                     uint32_t acb_info, uint32_t *rid)
5186 {
5187         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5188         LDAPMessage *entry = NULL;
5189         LDAPMessage *result = NULL;
5190         uint32_t num_result;
5191         bool is_machine = False;
5192         bool add_posix = False;
5193         LDAPMod **mods = NULL;
5194         struct samu *user;
5195         char *filter;
5196         char *username;
5197         char *homedir;
5198         char *gidstr;
5199         char *uidstr;
5200         char *shell;
5201         const char *dn = NULL;
5202         struct dom_sid group_sid;
5203         struct dom_sid user_sid;
5204         gid_t gid = -1;
5205         uid_t uid = -1;
5206         NTSTATUS ret;
5207         int rc;
5208
5209         if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5210               acb_info & ACB_WSTRUST ||
5211               acb_info & ACB_SVRTRUST ||
5212               acb_info & ACB_DOMTRUST) {
5213                 is_machine = True;
5214         }
5215
5216         username = escape_ldap_string(talloc_tos(), name);
5217         filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5218                                  username, LDAP_OBJ_POSIXACCOUNT);
5219         TALLOC_FREE(username);
5220
5221         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5222         if (rc != LDAP_SUCCESS) {
5223                 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5224                 return NT_STATUS_ACCESS_DENIED;
5225         }
5226         talloc_autofree_ldapmsg(tmp_ctx, result);
5227
5228         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5229
5230         if (num_result > 1) {
5231                 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5232                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5233         }
5234
5235         if (num_result == 1) {
5236                 char *tmp;
5237                 /* check if it is just a posix account.
5238                  * or if there is a sid attached to this entry
5239                  */
5240
5241                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5242                 if (!entry) {
5243                         return NT_STATUS_UNSUCCESSFUL;
5244                 }
5245
5246                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5247                 if (tmp) {
5248                         DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5249                         return NT_STATUS_USER_EXISTS;
5250                 }
5251
5252                 /* it is just a posix account, retrieve the dn for later use */
5253                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5254                 if (!dn) {
5255                         DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5256                         return NT_STATUS_NO_MEMORY;
5257                 }
5258         }
5259
5260         if (num_result == 0) {
5261                 add_posix = True;
5262         }
5263
5264         /* Create the basic samu structure and generate the mods for the ldap commit */
5265         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5266                 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5267                 return ret;
5268         }
5269
5270         sid_compose(&user_sid, get_global_sam_sid(), *rid);
5271
5272         user = samu_new(tmp_ctx);
5273         if (!user) {
5274                 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5275                 return NT_STATUS_NO_MEMORY;
5276         }
5277
5278         if (!pdb_set_username(user, name, PDB_SET)) {
5279                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5280                 return NT_STATUS_UNSUCCESSFUL;
5281         }
5282         if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5283                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5284                 return NT_STATUS_UNSUCCESSFUL;
5285         }
5286         if (is_machine) {
5287                 if (acb_info & ACB_NORMAL) {
5288                         if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5289                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5290                                 return NT_STATUS_UNSUCCESSFUL;
5291                         }
5292                 } else {
5293                         if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5294                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5295                                 return NT_STATUS_UNSUCCESSFUL;
5296                         }
5297                 }
5298         } else {
5299                 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5300                         DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5301                         return NT_STATUS_UNSUCCESSFUL;
5302                 }
5303         }
5304
5305         if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5306                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5307                 return NT_STATUS_UNSUCCESSFUL;
5308         }
5309
5310         if (!init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed)) {
5311                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5312                 return NT_STATUS_UNSUCCESSFUL;
5313         }
5314
5315         if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5316                 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5317         }
5318         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5319
5320         if (add_posix) {
5321                 char *escape_name;
5322
5323                 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5324
5325                 /* retrieve the Domain Users group gid */
5326                 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5327                     !sid_to_gid(&group_sid, &gid)) {
5328                         DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5329                         return NT_STATUS_INVALID_PRIMARY_GROUP;
5330                 }
5331
5332                 /* lets allocate a new userid for this user */
5333                 if (!winbind_allocate_uid(&uid)) {
5334                         DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5335                         return NT_STATUS_UNSUCCESSFUL;
5336                 }
5337
5338
5339                 if (is_machine) {
5340                         /* TODO: choose a more appropriate default for machines */
5341                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5342                         shell = talloc_strdup(tmp_ctx, "/bin/false");
5343                 } else {
5344                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5345                         shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5346                 }
5347                 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5348                 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5349
5350                 escape_name = escape_rdn_val_string_alloc(name);
5351                 if (!escape_name) {
5352                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5353                         return NT_STATUS_NO_MEMORY;
5354                 }
5355
5356                 if (is_machine) {
5357                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix (talloc_tos()));
5358                 } else {
5359                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix (talloc_tos()));
5360                 }
5361
5362                 SAFE_FREE(escape_name);
5363
5364                 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5365                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5366                         return NT_STATUS_NO_MEMORY;
5367                 }
5368
5369                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5370                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5371                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5372                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5373                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5374                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5375                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5376         }
5377
5378         talloc_autofree_ldapmod(tmp_ctx, mods);
5379
5380         if (add_posix) {
5381                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5382         } else {
5383                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5384         }
5385
5386         if (rc != LDAP_SUCCESS) {
5387                 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5388                 return NT_STATUS_UNSUCCESSFUL;
5389         }
5390
5391         DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5392
5393         flush_pwnam_cache();
5394
5395         return NT_STATUS_OK;
5396 }
5397
5398 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5399 {
5400         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5401         LDAPMessage *result = NULL;
5402         LDAPMessage *entry = NULL;
5403         int num_result;
5404         const char *dn;
5405         char *filter;
5406         int rc;
5407
5408         DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5409
5410         filter = talloc_asprintf(tmp_ctx,
5411                                  "(&(uid=%s)"
5412                                  "(objectClass=%s)"
5413                                  "(objectClass=%s))",
5414                                  pdb_get_username(sam_acct),
5415                                  LDAP_OBJ_POSIXACCOUNT,
5416                                  LDAP_OBJ_SAMBASAMACCOUNT);
5417         if (filter == NULL) {
5418                 return NT_STATUS_NO_MEMORY;
5419         }
5420
5421         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5422         if (rc != LDAP_SUCCESS) {
5423                 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5424                 return NT_STATUS_UNSUCCESSFUL;
5425         }
5426         talloc_autofree_ldapmsg(tmp_ctx, result);
5427
5428         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5429
5430         if (num_result == 0) {
5431                 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5432                 return NT_STATUS_NO_SUCH_USER;
5433         }
5434
5435         if (num_result > 1) {
5436                 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5437                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5438         }
5439
5440         entry = ldap_first_entry(priv2ld(ldap_state), result);
5441         if (!entry) {
5442                 return NT_STATUS_UNSUCCESSFUL;
5443         }
5444
5445         /* it is just a posix account, retrieve the dn for later use */
5446         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5447         if (!dn) {
5448                 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5449                 return NT_STATUS_NO_MEMORY;
5450         }
5451
5452         /* try to remove memberships first */
5453         {
5454                 NTSTATUS status;
5455                 struct dom_sid *sids = NULL;
5456                 gid_t *gids = NULL;
5457                 uint32_t num_groups = 0;
5458                 int i;
5459                 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5460
5461                 status = ldapsam_enum_group_memberships(my_methods,
5462                                                         tmp_ctx,
5463                                                         sam_acct,
5464                                                         &sids,
5465                                                         &gids,
5466                                                         &num_groups);
5467                 if (!NT_STATUS_IS_OK(status)) {
5468                         goto delete_dn;
5469                 }
5470
5471                 for (i=0; i < num_groups; i++) {
5472
5473                         uint32_t group_rid;
5474
5475                         sid_peek_rid(&sids[i], &group_rid);
5476
5477                         ldapsam_del_groupmem(my_methods,
5478                                              tmp_ctx,
5479                                              group_rid,
5480                                              user_rid);
5481                 }
5482         }
5483
5484  delete_dn:
5485
5486         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5487         if (rc != LDAP_SUCCESS) {
5488                 return NT_STATUS_UNSUCCESSFUL;
5489         }
5490
5491         flush_pwnam_cache();
5492
5493         return NT_STATUS_OK;
5494 }
5495
5496 /*
5497  * ldapsam_create_group creates a new
5498  * posixGroup and sambaGroupMapping object
5499  * in the ldap groups subtree
5500  *
5501  * The gid is allocated by winbindd.
5502  */
5503
5504 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5505                                          TALLOC_CTX *tmp_ctx,
5506                                          const char *name,
5507                                          uint32_t *rid)
5508 {
5509         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5510         NTSTATUS ret;
5511         LDAPMessage *entry = NULL;
5512         LDAPMessage *result = NULL;
5513         uint32_t num_result;
5514         bool is_new_entry = False;
5515         LDAPMod **mods = NULL;
5516         char *filter;
5517         char *groupsidstr;
5518         char *groupname;
5519         char *grouptype;
5520         char *gidstr;
5521         const char *dn = NULL;
5522         struct dom_sid group_sid;
5523         gid_t gid = -1;
5524         int rc;
5525
5526         groupname = escape_ldap_string(talloc_tos(), name);
5527         filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5528                                  groupname, LDAP_OBJ_POSIXGROUP);
5529         TALLOC_FREE(groupname);
5530
5531         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5532         if (rc != LDAP_SUCCESS) {
5533                 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5534                 return NT_STATUS_UNSUCCESSFUL;
5535         }
5536         talloc_autofree_ldapmsg(tmp_ctx, result);
5537
5538         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5539
5540         if (num_result > 1) {
5541                 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5542                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5543         }
5544
5545         if (num_result == 1) {
5546                 char *tmp;
5547                 /* check if it is just a posix group.
5548                  * or if there is a sid attached to this entry
5549                  */
5550
5551                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5552                 if (!entry) {
5553                         return NT_STATUS_UNSUCCESSFUL;
5554                 }
5555
5556                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5557                 if (tmp) {
5558                         DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5559                         return NT_STATUS_GROUP_EXISTS;
5560                 }
5561
5562                 /* it is just a posix group, retrieve the gid and the dn for later use */
5563                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5564                 if (!tmp) {
5565                         DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5566                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5567                 }
5568
5569                 gid = strtoul(tmp, NULL, 10);
5570
5571                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5572                 if (!dn) {
5573                         DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5574                         return NT_STATUS_NO_MEMORY;
5575                 }
5576         }
5577
5578         if (num_result == 0) {
5579                 is_new_entry = true;
5580         }
5581
5582         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5583                 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5584                 return ret;
5585         }
5586
5587         sid_compose(&group_sid, get_global_sam_sid(), *rid);
5588
5589         groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5590                                                                &group_sid));
5591         grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5592
5593         if (!groupsidstr || !grouptype) {
5594                 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5595                 return NT_STATUS_NO_MEMORY;
5596         }
5597
5598         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5599         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5600         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5601         smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5602
5603         if (is_new_entry) {
5604                 char *escape_name;
5605
5606                 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5607
5608                 /* lets allocate a new groupid for this group */
5609                 if (!winbind_allocate_gid(&gid)) {
5610                         DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5611                         return NT_STATUS_UNSUCCESSFUL;
5612                 }
5613
5614                 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5615
5616                 escape_name = escape_rdn_val_string_alloc(name);
5617                 if (!escape_name) {
5618                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5619                         return NT_STATUS_NO_MEMORY;
5620                 }
5621
5622                 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix(talloc_tos()));
5623
5624                 SAFE_FREE(escape_name);
5625
5626                 if (!gidstr || !dn) {
5627                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5628                         return NT_STATUS_NO_MEMORY;
5629                 }
5630
5631                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5632                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5633                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5634         }
5635
5636         talloc_autofree_ldapmod(tmp_ctx, mods);
5637
5638         if (is_new_entry) {
5639                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5640 #if 0
5641                 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5642                         /* This call may fail with rfc2307bis schema */
5643                         /* Retry adding a structural class */
5644                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5645                         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5646                 }
5647 #endif
5648         } else {
5649                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5650         }
5651
5652         if (rc != LDAP_SUCCESS) {
5653                 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5654                 return NT_STATUS_UNSUCCESSFUL;
5655         }
5656
5657         DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5658
5659         return NT_STATUS_OK;
5660 }
5661
5662 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5663 {
5664         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5665         LDAPMessage *result = NULL;
5666         LDAPMessage *entry = NULL;
5667         int num_result;
5668         const char *dn;
5669         char *gidstr;
5670         char *filter;
5671         struct dom_sid group_sid;
5672         int rc;
5673
5674         /* get the group sid */
5675         sid_compose(&group_sid, get_global_sam_sid(), rid);
5676
5677         filter = talloc_asprintf(tmp_ctx,
5678                                  "(&(sambaSID=%s)"
5679                                  "(objectClass=%s)"
5680                                  "(objectClass=%s))",
5681                                  sid_string_talloc(tmp_ctx, &group_sid),
5682                                  LDAP_OBJ_POSIXGROUP,
5683                                  LDAP_OBJ_GROUPMAP);
5684         if (filter == NULL) {
5685                 return NT_STATUS_NO_MEMORY;
5686         }
5687
5688         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5689         if (rc != LDAP_SUCCESS) {
5690                 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5691                 return NT_STATUS_UNSUCCESSFUL;
5692         }
5693         talloc_autofree_ldapmsg(tmp_ctx, result);
5694
5695         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5696
5697         if (num_result == 0) {
5698                 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5699                 return NT_STATUS_NO_SUCH_GROUP;
5700         }
5701
5702         if (num_result > 1) {
5703                 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5704                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5705         }
5706
5707         entry = ldap_first_entry(priv2ld(ldap_state), result);
5708         if (!entry) {
5709                 return NT_STATUS_UNSUCCESSFUL;
5710         }
5711
5712         /* here it is, retrieve the dn for later use */
5713         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5714         if (!dn) {
5715                 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5716                 return NT_STATUS_NO_MEMORY;
5717         }
5718
5719         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5720         if (!gidstr) {
5721                 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5722                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5723         }
5724
5725         /* check no user have this group marked as primary group */
5726         filter = talloc_asprintf(tmp_ctx,
5727                                  "(&(gidNumber=%s)"
5728                                  "(objectClass=%s)"
5729                                  "(objectClass=%s))",
5730                                  gidstr,
5731                                  LDAP_OBJ_POSIXACCOUNT,
5732                                  LDAP_OBJ_SAMBASAMACCOUNT);
5733
5734         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5735         if (rc != LDAP_SUCCESS) {
5736                 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5737                 return NT_STATUS_UNSUCCESSFUL;
5738         }
5739         talloc_autofree_ldapmsg(tmp_ctx, result);
5740
5741         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5742
5743         if (num_result != 0) {
5744                 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5745                 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5746         }
5747
5748         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5749         if (rc != LDAP_SUCCESS) {
5750                 return NT_STATUS_UNSUCCESSFUL;
5751         }
5752
5753         return NT_STATUS_OK;
5754 }
5755
5756 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5757                                         TALLOC_CTX *tmp_ctx,
5758                                         uint32_t group_rid,
5759                                         uint32_t member_rid,
5760                                         int modop)
5761 {
5762         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5763         LDAPMessage *entry = NULL;
5764         LDAPMessage *result = NULL;
5765         uint32_t num_result;
5766         LDAPMod **mods = NULL;
5767         char *filter;
5768         char *uidstr;
5769         const char *dn = NULL;
5770         struct dom_sid group_sid;
5771         struct dom_sid member_sid;
5772         int rc;
5773
5774         switch (modop) {
5775         case LDAP_MOD_ADD:
5776                 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5777                 break;
5778         case LDAP_MOD_DELETE:
5779                 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5780                 break;
5781         default:
5782                 return NT_STATUS_UNSUCCESSFUL;
5783         }
5784
5785         /* get member sid  */
5786         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5787
5788         /* get the group sid */
5789         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5790
5791         filter = talloc_asprintf(tmp_ctx,
5792                                  "(&(sambaSID=%s)"
5793                                  "(objectClass=%s)"
5794                                  "(objectClass=%s))",
5795                                  sid_string_talloc(tmp_ctx, &member_sid),
5796                                  LDAP_OBJ_POSIXACCOUNT,
5797                                  LDAP_OBJ_SAMBASAMACCOUNT);
5798         if (filter == NULL) {
5799                 return NT_STATUS_NO_MEMORY;
5800         }
5801
5802         /* get the member uid */
5803         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5804         if (rc != LDAP_SUCCESS) {
5805                 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5806                 return NT_STATUS_UNSUCCESSFUL;
5807         }
5808         talloc_autofree_ldapmsg(tmp_ctx, result);
5809
5810         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5811
5812         if (num_result == 0) {
5813                 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5814                 return NT_STATUS_NO_SUCH_MEMBER;
5815         }
5816
5817         if (num_result > 1) {
5818                 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5819                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5820         }
5821
5822         entry = ldap_first_entry(priv2ld(ldap_state), result);
5823         if (!entry) {
5824                 return NT_STATUS_UNSUCCESSFUL;
5825         }
5826
5827         if (modop == LDAP_MOD_DELETE) {
5828                 /* check if we are trying to remove the member from his primary group */
5829                 char *gidstr;
5830                 gid_t user_gid, group_gid;
5831
5832                 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5833                 if (!gidstr) {
5834                         DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5835                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5836                 }
5837
5838                 user_gid = strtoul(gidstr, NULL, 10);
5839
5840                 if (!sid_to_gid(&group_sid, &group_gid)) {
5841                         DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5842                         return NT_STATUS_UNSUCCESSFUL;
5843                 }
5844
5845                 if (user_gid == group_gid) {
5846                         DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5847                         return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5848                 }
5849         }
5850
5851         /* here it is, retrieve the uid for later use */
5852         uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5853         if (!uidstr) {
5854                 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5855                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5856         }
5857
5858         filter = talloc_asprintf(tmp_ctx,
5859                                  "(&(sambaSID=%s)"
5860                                  "(objectClass=%s)"
5861                                  "(objectClass=%s))",
5862                                  sid_string_talloc(tmp_ctx, &group_sid),
5863                                  LDAP_OBJ_POSIXGROUP,
5864                                  LDAP_OBJ_GROUPMAP);
5865
5866         /* get the group */
5867         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5868         if (rc != LDAP_SUCCESS) {
5869                 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5870                 return NT_STATUS_UNSUCCESSFUL;
5871         }
5872         talloc_autofree_ldapmsg(tmp_ctx, result);
5873
5874         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5875
5876         if (num_result == 0) {
5877                 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5878                 return NT_STATUS_NO_SUCH_GROUP;
5879         }
5880
5881         if (num_result > 1) {
5882                 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5883                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5884         }
5885
5886         entry = ldap_first_entry(priv2ld(ldap_state), result);
5887         if (!entry) {
5888                 return NT_STATUS_UNSUCCESSFUL;
5889         }
5890
5891         /* here it is, retrieve the dn for later use */
5892         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5893         if (!dn) {
5894                 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5895                 return NT_STATUS_NO_MEMORY;
5896         }
5897
5898         smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5899
5900         talloc_autofree_ldapmod(tmp_ctx, mods);
5901
5902         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5903         if (rc != LDAP_SUCCESS) {
5904                 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5905                         DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5906                         return NT_STATUS_MEMBER_IN_GROUP;
5907                 }
5908                 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5909                         DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5910                         return NT_STATUS_MEMBER_NOT_IN_GROUP;
5911                 }
5912                 return NT_STATUS_UNSUCCESSFUL;
5913         }
5914
5915         return NT_STATUS_OK;
5916 }
5917
5918 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5919                                      TALLOC_CTX *tmp_ctx,
5920                                      uint32_t group_rid,
5921                                      uint32_t member_rid)
5922 {
5923         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5924 }
5925 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5926                                      TALLOC_CTX *tmp_ctx,
5927                                      uint32_t group_rid,
5928                                      uint32_t member_rid)
5929 {
5930         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5931 }
5932
5933 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5934                                           TALLOC_CTX *mem_ctx,
5935                                           struct samu *sampass)
5936 {
5937         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5938         LDAPMessage *entry = NULL;
5939         LDAPMessage *result = NULL;
5940         uint32_t num_result;
5941         LDAPMod **mods = NULL;
5942         char *filter;
5943         char *escape_username;
5944         char *gidstr;
5945         const char *dn = NULL;
5946         gid_t gid;
5947         int rc;
5948
5949         DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5950
5951         if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5952                 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5953                 return NT_STATUS_UNSUCCESSFUL;
5954         }
5955         gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5956         if (!gidstr) {
5957                 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5958                 return NT_STATUS_NO_MEMORY;
5959         }
5960
5961         escape_username = escape_ldap_string(talloc_tos(),
5962                                              pdb_get_username(sampass));
5963         if (escape_username== NULL) {
5964                 return NT_STATUS_NO_MEMORY;
5965         }
5966
5967         filter = talloc_asprintf(mem_ctx,
5968                                  "(&(uid=%s)"
5969                                  "(objectClass=%s)"
5970                                  "(objectClass=%s))",
5971                                  escape_username,
5972                                  LDAP_OBJ_POSIXACCOUNT,
5973                                  LDAP_OBJ_SAMBASAMACCOUNT);
5974
5975         TALLOC_FREE(escape_username);
5976
5977         if (filter == NULL) {
5978                 return NT_STATUS_NO_MEMORY;
5979         }
5980
5981         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5982         if (rc != LDAP_SUCCESS) {
5983                 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5984                 return NT_STATUS_UNSUCCESSFUL;
5985         }
5986         talloc_autofree_ldapmsg(mem_ctx, result);
5987
5988         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5989
5990         if (num_result == 0) {
5991                 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5992                 return NT_STATUS_NO_SUCH_USER;
5993         }
5994
5995         if (num_result > 1) {
5996                 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5997                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5998         }
5999
6000         entry = ldap_first_entry(priv2ld(ldap_state), result);
6001         if (!entry) {
6002                 return NT_STATUS_UNSUCCESSFUL;
6003         }
6004
6005         /* retrieve the dn for later use */
6006         dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6007         if (!dn) {
6008                 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6009                 return NT_STATUS_NO_MEMORY;
6010         }
6011
6012         /* remove the old one, and add the new one, this way we do not risk races */
6013         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6014
6015         if (mods == NULL) {
6016                 return NT_STATUS_OK;
6017         }
6018
6019         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6020
6021         if (rc != LDAP_SUCCESS) {
6022                 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6023                          pdb_get_username(sampass), gidstr));
6024                 return NT_STATUS_UNSUCCESSFUL;
6025         }
6026
6027         flush_pwnam_cache();
6028
6029         return NT_STATUS_OK;
6030 }
6031
6032
6033 /**********************************************************************
6034  trusted domains functions
6035  *********************************************************************/
6036
6037 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6038                            const char *domain)
6039 {
6040         return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6041                                ldap_state->domain_dn);
6042 }
6043
6044 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6045                                   TALLOC_CTX *mem_ctx,
6046                                   const char *domain, LDAPMessage **entry)
6047 {
6048         int rc;
6049         char *filter;
6050         int scope = LDAP_SCOPE_SUBTREE;
6051         const char **attrs = NULL; /* NULL: get all attrs */
6052         int attrsonly = 0; /* 0: return values too */
6053         LDAPMessage *result = NULL;
6054         char *trusted_dn;
6055         uint32_t num_result;
6056
6057         filter = talloc_asprintf(talloc_tos(),
6058                                  "(&(objectClass=%s)(sambaDomainName=%s))",
6059                                  LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6060
6061         trusted_dn = trusteddom_dn(ldap_state, domain);
6062         if (trusted_dn == NULL) {
6063                 return False;
6064         }
6065         rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6066                             filter, attrs, attrsonly, &result);
6067
6068         if (result != NULL) {
6069                 talloc_autofree_ldapmsg(mem_ctx, result);
6070         }
6071
6072         if (rc == LDAP_NO_SUCH_OBJECT) {
6073                 *entry = NULL;
6074                 return True;
6075         }
6076
6077         if (rc != LDAP_SUCCESS) {
6078                 return False;
6079         }
6080
6081         num_result = ldap_count_entries(priv2ld(ldap_state), result);
6082
6083         if (num_result > 1) {
6084                 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6085                           "%s object for domain '%s'?!\n",
6086                           LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6087                 return False;
6088         }
6089
6090         if (num_result == 0) {
6091                 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6092                           "%s object for domain %s.\n",
6093                           LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6094                 *entry = NULL;
6095         } else {
6096                 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6097         }
6098
6099         return True;
6100 }
6101
6102 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6103                                       const char *domain,
6104                                       char** pwd,
6105                                       struct dom_sid *sid,
6106                                       time_t *pass_last_set_time)
6107 {
6108         struct ldapsam_privates *ldap_state =
6109                 (struct ldapsam_privates *)methods->private_data;
6110         LDAPMessage *entry = NULL;
6111
6112         DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6113
6114         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6115             (entry == NULL))
6116         {
6117                 return False;
6118         }
6119
6120         /* password */
6121         if (pwd != NULL) {
6122                 char *pwd_str;
6123                 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6124                                 entry, "sambaClearTextPassword", talloc_tos());
6125                 if (pwd_str == NULL) {
6126                         return False;
6127                 }
6128                 /* trusteddom_pw routines do not use talloc yet... */
6129                 *pwd = SMB_STRDUP(pwd_str);
6130                 if (*pwd == NULL) {
6131                         return False;
6132                 }
6133         }
6134
6135         /* last change time */
6136         if (pass_last_set_time != NULL) {
6137                 char *time_str;
6138                 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6139                                 entry, "sambaPwdLastSet", talloc_tos());
6140                 if (time_str == NULL) {
6141                         return False;
6142                 }
6143                 *pass_last_set_time = (time_t)atol(time_str);
6144         }
6145
6146         /* domain sid */
6147         if (sid != NULL) {
6148                 char *sid_str;
6149                 struct dom_sid dom_sid;
6150                 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6151                                                           entry, "sambaSID",
6152                                                           talloc_tos());
6153                 if (sid_str == NULL) {
6154                         return False;
6155                 }
6156                 if (!string_to_sid(&dom_sid, sid_str)) {
6157                         return False;
6158                 }
6159                 sid_copy(sid, &dom_sid);
6160         }
6161
6162         return True;
6163 }
6164
6165 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6166                                       const char* domain,
6167                                       const char* pwd,
6168                                       const struct dom_sid *sid)
6169 {
6170         struct ldapsam_privates *ldap_state =
6171                 (struct ldapsam_privates *)methods->private_data;
6172         LDAPMessage *entry = NULL;
6173         LDAPMod **mods = NULL;
6174         char *prev_pwd = NULL;
6175         char *trusted_dn = NULL;
6176         int rc;
6177
6178         DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6179
6180         /*
6181          * get the current entry (if there is one) in order to put the
6182          * current password into the previous password attribute
6183          */
6184         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6185                 return False;
6186         }
6187
6188         mods = NULL;
6189         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6190                          LDAP_OBJ_TRUSTDOM_PASSWORD);
6191         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6192                          domain);
6193         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6194                          sid_string_tos(sid));
6195         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6196                          talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6197         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6198                          "sambaClearTextPassword", pwd);
6199
6200         if (entry != NULL) {
6201                 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6202                                 entry, "sambaClearTextPassword", talloc_tos());
6203                 if (prev_pwd != NULL) {
6204                         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6205                                          "sambaPreviousClearTextPassword",
6206                                          prev_pwd);
6207                 }
6208         }
6209
6210         talloc_autofree_ldapmod(talloc_tos(), mods);
6211
6212         trusted_dn = trusteddom_dn(ldap_state, domain);
6213         if (trusted_dn == NULL) {
6214                 return False;
6215         }
6216         if (entry == NULL) {
6217                 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6218         } else {
6219                 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6220         }
6221
6222         if (rc != LDAP_SUCCESS) {
6223                 DEBUG(1, ("error writing trusted domain password!\n"));
6224                 return False;
6225         }
6226
6227         return True;
6228 }
6229
6230 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6231                                       const char *domain)
6232 {
6233         int rc;
6234         struct ldapsam_privates *ldap_state =
6235                 (struct ldapsam_privates *)methods->private_data;
6236         LDAPMessage *entry = NULL;
6237         const char *trusted_dn;
6238
6239         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6240                 return False;
6241         }
6242
6243         if (entry == NULL) {
6244                 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6245                           "%s\n", domain));
6246                 return True;
6247         }
6248
6249         trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6250                                        entry);
6251         if (trusted_dn == NULL) {
6252                 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6253                 return False;
6254         }
6255
6256         rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6257         if (rc != LDAP_SUCCESS) {
6258                 return False;
6259         }
6260
6261         return True;
6262 }
6263
6264 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6265                                          TALLOC_CTX *mem_ctx,
6266                                          uint32_t *num_domains,
6267                                          struct trustdom_info ***domains)
6268 {
6269         int rc;
6270         struct ldapsam_privates *ldap_state =
6271                 (struct ldapsam_privates *)methods->private_data;
6272         char *filter;
6273         int scope = LDAP_SCOPE_SUBTREE;
6274         const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6275         int attrsonly = 0; /* 0: return values too */
6276         LDAPMessage *result = NULL;
6277         LDAPMessage *entry = NULL;
6278
6279         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6280                                  LDAP_OBJ_TRUSTDOM_PASSWORD);
6281
6282         rc = smbldap_search(ldap_state->smbldap_state,
6283                             ldap_state->domain_dn,
6284                             scope,
6285                             filter,
6286                             attrs,
6287                             attrsonly,
6288                             &result);
6289
6290         if (result != NULL) {
6291                 talloc_autofree_ldapmsg(mem_ctx, result);
6292         }
6293
6294         if (rc != LDAP_SUCCESS) {
6295                 return NT_STATUS_UNSUCCESSFUL;
6296         }
6297
6298         *num_domains = 0;
6299         if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6300                 DEBUG(1, ("talloc failed\n"));
6301                 return NT_STATUS_NO_MEMORY;
6302         }
6303
6304         for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6305              entry != NULL;
6306              entry = ldap_next_entry(priv2ld(ldap_state), entry))
6307         {
6308                 char *dom_name, *dom_sid_str;
6309                 struct trustdom_info *dom_info;
6310
6311                 dom_info = talloc(*domains, struct trustdom_info);
6312                 if (dom_info == NULL) {
6313                         DEBUG(1, ("talloc failed\n"));
6314                         return NT_STATUS_NO_MEMORY;
6315                 }
6316
6317                 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6318                                                            entry,
6319                                                            "sambaDomainName",
6320                                                            talloc_tos());
6321                 if (dom_name == NULL) {
6322                         DEBUG(1, ("talloc failed\n"));
6323                         return NT_STATUS_NO_MEMORY;
6324                 }
6325                 dom_info->name = dom_name;
6326
6327                 dom_sid_str = smbldap_talloc_single_attribute(
6328                                         priv2ld(ldap_state), entry, "sambaSID",
6329                                         talloc_tos());
6330                 if (dom_sid_str == NULL) {
6331                         DEBUG(1, ("talloc failed\n"));
6332                         return NT_STATUS_NO_MEMORY;
6333                 }
6334                 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6335                         DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6336                                   dom_sid_str));
6337                         return NT_STATUS_UNSUCCESSFUL;
6338                 }
6339
6340                 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6341                              domains, num_domains);
6342
6343                 if (*domains == NULL) {
6344                         DEBUG(1, ("talloc failed\n"));
6345                         return NT_STATUS_NO_MEMORY;
6346                 }
6347         }
6348
6349         DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6350         return NT_STATUS_OK;
6351 }
6352
6353
6354 /**********************************************************************
6355  Housekeeping
6356  *********************************************************************/
6357
6358 static void free_private_data(void **vp)
6359 {
6360         struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6361
6362         smbldap_free_struct(&(*ldap_state)->smbldap_state);
6363
6364         if ((*ldap_state)->result != NULL) {
6365                 ldap_msgfree((*ldap_state)->result);
6366                 (*ldap_state)->result = NULL;
6367         }
6368         if ((*ldap_state)->domain_dn != NULL) {
6369                 SAFE_FREE((*ldap_state)->domain_dn);
6370         }
6371
6372         *ldap_state = NULL;
6373
6374         /* No need to free any further, as it is talloc()ed */
6375 }
6376
6377 /*********************************************************************
6378  Intitalise the parts of the pdb_methods structure that are common to
6379  all pdb_ldap modes
6380 *********************************************************************/
6381
6382 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6383 {
6384         NTSTATUS nt_status;
6385         struct ldapsam_privates *ldap_state;
6386         char *bind_dn = NULL;
6387         char *bind_secret = NULL;
6388
6389         if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6390                 return nt_status;
6391         }
6392
6393         (*pdb_method)->name = "ldapsam";
6394
6395         (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6396         (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6397         (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6398         (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6399         (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6400         (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6401
6402         (*pdb_method)->getgrsid = ldapsam_getgrsid;
6403         (*pdb_method)->getgrgid = ldapsam_getgrgid;
6404         (*pdb_method)->getgrnam = ldapsam_getgrnam;
6405         (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6406         (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6407         (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6408         (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6409
6410         (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6411         (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6412
6413         (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6414
6415         (*pdb_method)->capabilities = ldapsam_capabilities;
6416         (*pdb_method)->new_rid = ldapsam_new_rid;
6417
6418         (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6419         (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6420         (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6421         (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6422
6423         /* TODO: Setup private data and free */
6424
6425         if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6426                 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6427                 return NT_STATUS_NO_MEMORY;
6428         }
6429
6430         if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6431                 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6432                 return NT_STATUS_NO_MEMORY;
6433         }
6434
6435         nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6436                                  location, false, bind_dn, bind_secret,
6437                                  &ldap_state->smbldap_state);
6438         memset(bind_secret, '\0', strlen(bind_secret));
6439         SAFE_FREE(bind_secret);
6440         SAFE_FREE(bind_dn);
6441         if ( !NT_STATUS_IS_OK(nt_status) ) {
6442                 return nt_status;
6443         }
6444
6445         if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6446                 return NT_STATUS_NO_MEMORY;
6447         }
6448
6449         (*pdb_method)->private_data = ldap_state;
6450
6451         (*pdb_method)->free_private_data = free_private_data;
6452
6453         return NT_STATUS_OK;
6454 }
6455
6456 /**********************************************************************
6457  Initialise the normal mode for pdb_ldap
6458  *********************************************************************/
6459
6460 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6461 {
6462         NTSTATUS nt_status;
6463         struct ldapsam_privates *ldap_state = NULL;
6464         uint32_t alg_rid_base;
6465         char *alg_rid_base_string = NULL;
6466         LDAPMessage *result = NULL;
6467         LDAPMessage *entry = NULL;
6468         struct dom_sid ldap_domain_sid;
6469         struct dom_sid secrets_domain_sid;
6470         char *domain_sid_string = NULL;
6471         char *dn = NULL;
6472         char *uri = talloc_strdup( NULL, location );
6473
6474         trim_char( uri, '\"', '\"' );
6475         nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6476
6477         TALLOC_FREE(uri);
6478
6479         if (!NT_STATUS_IS_OK(nt_status)) {
6480                 return nt_status;
6481         }
6482
6483         (*pdb_method)->name = "ldapsam";
6484
6485         (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6486         (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6487         (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6488         (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6489         (*pdb_method)->search_users = ldapsam_search_users;
6490         (*pdb_method)->search_groups = ldapsam_search_groups;
6491         (*pdb_method)->search_aliases = ldapsam_search_aliases;
6492
6493         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6494                 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6495                 (*pdb_method)->enum_group_memberships =
6496                         ldapsam_enum_group_memberships;
6497                 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6498                 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6499                 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6500                 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6501
6502                 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6503                         (*pdb_method)->create_user = ldapsam_create_user;
6504                         (*pdb_method)->delete_user = ldapsam_delete_user;
6505                         (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6506                         (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6507                         (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6508                         (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6509                         (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6510                 }
6511         }
6512
6513         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6514         ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6515
6516         /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6517
6518         nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6519                                                &result,
6520                                                ldap_state->domain_name, True);
6521
6522         if ( !NT_STATUS_IS_OK(nt_status) ) {
6523                 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6524                           "info, nor add one to the domain. "
6525                           "We cannot work reliably without it.\n"));
6526                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6527         }
6528
6529         /* Given that the above might fail, everything below this must be
6530          * optional */
6531
6532         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6533                                  result);
6534         if (!entry) {
6535                 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6536                           "entry\n"));
6537                 ldap_msgfree(result);
6538                 return NT_STATUS_UNSUCCESSFUL;
6539         }
6540
6541         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6542         if (!dn) {
6543                 ldap_msgfree(result);
6544                 return NT_STATUS_UNSUCCESSFUL;
6545         }
6546
6547         ldap_state->domain_dn = smb_xstrdup(dn);
6548         TALLOC_FREE(dn);
6549
6550         domain_sid_string = smbldap_talloc_single_attribute(
6551                     ldap_state->smbldap_state->ldap_struct,
6552                     entry,
6553                     get_userattr_key2string(ldap_state->schema_ver,
6554                                             LDAP_ATTR_USER_SID),
6555                     talloc_tos());
6556
6557         if (domain_sid_string) {
6558                 bool found_sid;
6559                 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6560                         DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6561                                   "read as a valid SID\n", domain_sid_string));
6562                         ldap_msgfree(result);
6563                         TALLOC_FREE(domain_sid_string);
6564                         return NT_STATUS_INVALID_PARAMETER;
6565                 }
6566                 found_sid = PDB_secrets_fetch_domain_sid(ldap_state->domain_name,
6567                                                      &secrets_domain_sid);
6568                 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6569                                              &ldap_domain_sid)) {
6570                         DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6571                                   "%s based on pdb_ldap results %s -> %s\n",
6572                                   ldap_state->domain_name,
6573                                   sid_string_dbg(&secrets_domain_sid),
6574                                   sid_string_dbg(&ldap_domain_sid)));
6575
6576                         /* reset secrets.tdb sid */
6577                         PDB_secrets_store_domain_sid(ldap_state->domain_name,
6578                                                  &ldap_domain_sid);
6579                         DEBUG(1, ("New global sam SID: %s\n",
6580                                   sid_string_dbg(get_global_sam_sid())));
6581                 }
6582                 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6583                 TALLOC_FREE(domain_sid_string);
6584         }
6585
6586         alg_rid_base_string = smbldap_talloc_single_attribute(
6587                     ldap_state->smbldap_state->ldap_struct,
6588                     entry,
6589                     get_attr_key2string( dominfo_attr_list,
6590                                          LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6591                     talloc_tos());
6592         if (alg_rid_base_string) {
6593                 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6594                 if (alg_rid_base != algorithmic_rid_base()) {
6595                         DEBUG(0, ("The value of 'algorithmic RID base' has "
6596                                   "changed since the LDAP\n"
6597                                   "database was initialised.  Aborting. \n"));
6598                         ldap_msgfree(result);
6599                         TALLOC_FREE(alg_rid_base_string);
6600                         return NT_STATUS_UNSUCCESSFUL;
6601                 }
6602                 TALLOC_FREE(alg_rid_base_string);
6603         }
6604         ldap_msgfree(result);
6605
6606         return NT_STATUS_OK;
6607 }
6608
6609 NTSTATUS pdb_ldap_init(void)
6610 {
6611         NTSTATUS nt_status;
6612         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6613                 return nt_status;
6614
6615         /* Let pdb_nds register backends */
6616         pdb_nds_init();
6617
6618         pdb_ipa_init();
6619
6620         return NT_STATUS_OK;
6621 }