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
  55 #undef DBGC_CLASS
  56 #define DBGC_CLASS DBGC_PASSDB
  57
  58 #include <lber.h>
  59 #include <ldap.h>
  60
  61
  62 #include "smbldap.h"
  63 #include "passdb/pdb_ldap.h"
  64 #include "passdb/pdb_nds.h"
  65 #include "passdb/pdb_ipa.h"
  66 #include "passdb/pdb_ldap_util.h"
  67 #include "passdb/pdb_ldap_schema.h"
  68
  69 /**********************************************************************
  70  Simple helper function to make stuff better readable
  71  **********************************************************************/
  72
  73 LDAP *priv2ld(struct ldapsam_privates *priv)
  74 {
  75         return priv->smbldap_state->ldap_struct;
  76 }
  77
  78 /**********************************************************************
  79  Get the attribute name given a user schame version.
  80  **********************************************************************/
  81
  82 static const char* get_userattr_key2string( int schema_ver, int key )
  83 {
  84         switch ( schema_ver ) {
  85                 case SCHEMAVER_SAMBAACCOUNT:
  86                         return get_attr_key2string( attrib_map_v22, key );
  87
  88                 case SCHEMAVER_SAMBASAMACCOUNT:
  89                         return get_attr_key2string( attrib_map_v30, key );
  90
  91                 default:
  92                         DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
  93                         break;
  94         }
  95         return NULL;
  96 }
  97
  98 /**********************************************************************
  99  Return the list of attribute names given a user schema version.
 100 **********************************************************************/
 101
 102 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
 103 {
 104         switch ( schema_ver ) {
 105                 case SCHEMAVER_SAMBAACCOUNT:
 106                         return get_attr_list( mem_ctx, attrib_map_v22 );
 107
 108                 case SCHEMAVER_SAMBASAMACCOUNT:
 109                         return get_attr_list( mem_ctx, attrib_map_v30 );
 110                 default:
 111                         DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
 112                         break;
 113         }
 114
 115         return NULL;
 116 }
 117
 118 /**************************************************************************
 119  Return the list of attribute names to delete given a user schema version.
 120 **************************************************************************/
 121
 122 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
 123                                               int schema_ver )
 124 {
 125         switch ( schema_ver ) {
 126                 case SCHEMAVER_SAMBAACCOUNT:
 127                         return get_attr_list( mem_ctx,
 128                                               attrib_map_to_delete_v22 );
 129
 130                 case SCHEMAVER_SAMBASAMACCOUNT:
 131                         return get_attr_list( mem_ctx,
 132                                               attrib_map_to_delete_v30 );
 133                 default:
 134                         DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
 135                         break;
 136         }
 137
 138         return NULL;
 139 }
 140
 141
 142 /*******************************************************************
 143  Generate the LDAP search filter for the objectclass based on the
 144  version of the schema we are using.
 145 ******************************************************************/
 146
 147 static const char* get_objclass_filter( int schema_ver )
 148 {
 149         fstring objclass_filter;
 150         char *result;
 151
 152         switch( schema_ver ) {
 153                 case SCHEMAVER_SAMBAACCOUNT:
 154                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
 155                         break;
 156                 case SCHEMAVER_SAMBASAMACCOUNT:
 157                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
 158                         break;
 159                 default:
 160                         DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
 161                         objclass_filter[0] = '\0';
 162                         break;
 163         }
 164
 165         result = talloc_strdup(talloc_tos(), objclass_filter);
 166         SMB_ASSERT(result != NULL);
 167         return result;
 168 }
 169
 170 /*****************************************************************
 171  Scan a sequence number off OpenLDAP's syncrepl contextCSN
 172 ******************************************************************/
 173
 174 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
 175 {
 176         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
 177         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
 178         LDAPMessage *msg = NULL;
 179         LDAPMessage *entry = NULL;
 180         TALLOC_CTX *mem_ctx;
 181         char **values = NULL;
 182         int rc, num_result, num_values, rid;
 183         char *suffix = NULL;
 184         char *tok;
 185         const char *p;
 186         const char **attrs;
 187
 188         /* Unfortunatly there is no proper way to detect syncrepl-support in
 189          * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
 190          * but do not show up in the root-DSE yet. Neither we can query the
 191          * subschema-context for the syncProviderSubentry or syncConsumerSubentry
 192          * objectclass. Currently we require lp_ldap_suffix() to show up as
 193          * namingContext.  -  Guenther
 194          */
 195
 196         if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
 197                 return ntstatus;
 198         }
 199
 200         if (!seq_num) {
 201                 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
 202                 return ntstatus;
 203         }
 204
 205         if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
 206                 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
 207                          "as top-level namingContext\n", lp_ldap_suffix()));
 208                 return ntstatus;
 209         }
 210
 211         mem_ctx = talloc_init("ldapsam_get_seq_num");
 212
 213         if (mem_ctx == NULL)
 214                 return NT_STATUS_NO_MEMORY;
 215
 216         if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) {
 217                 ntstatus = NT_STATUS_NO_MEMORY;
 218                 goto done;
 219         }
 220
 221         /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
 222         rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
 223         if (rid > 0) {
 224
 225                 /* consumer syncreplCookie: */
 226                 /* csn=20050126161620Z#0000001#00#00000 */
 227                 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
 228                 attrs[1] = NULL;
 229                 suffix = talloc_asprintf(mem_ctx,
 230                                 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
 231                 if (!suffix) {
 232                         ntstatus = NT_STATUS_NO_MEMORY;
 233                         goto done;
 234                 }
 235         } else {
 236
 237                 /* provider contextCSN */
 238                 /* 20050126161620Z#000009#00#000000 */
 239                 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
 240                 attrs[1] = NULL;
 241                 suffix = talloc_asprintf(mem_ctx,
 242                                 "cn=ldapsync,%s", lp_ldap_suffix());
 243
 244                 if (!suffix) {
 245                         ntstatus = NT_STATUS_NO_MEMORY;
 246                         goto done;
 247                 }
 248         }
 249
 250         rc = smbldap_search(ldap_state->smbldap_state, suffix,
 251                             LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
 252
 253         if (rc != LDAP_SUCCESS) {
 254                 goto done;
 255         }
 256
 257         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
 258         if (num_result != 1) {
 259                 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
 260                 goto done;
 261         }
 262
 263         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
 264         if (entry == NULL) {
 265                 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
 266                 goto done;
 267         }
 268
 269         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
 270         if (values == NULL) {
 271                 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
 272                 goto done;
 273         }
 274
 275         num_values = ldap_count_values(values);
 276         if (num_values == 0) {
 277                 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
 278                 goto done;
 279         }
 280
 281         p = values[0];
 282         if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
 283                 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
 284                 goto done;
 285         }
 286
 287         p = tok;
 288         if (!strncmp(p, "csn=", strlen("csn=")))
 289                 p += strlen("csn=");
 290
 291         DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
 292
 293         *seq_num = generalized_to_unix_time(p);
 294
 295         /* very basic sanity check */
 296         if (*seq_num <= 0) {
 297                 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
 298                         (int)*seq_num));
 299                 goto done;
 300         }
 301
 302         ntstatus = NT_STATUS_OK;
 303
 304  done:
 305         if (values != NULL)
 306                 ldap_value_free(values);
 307         if (msg != NULL)
 308                 ldap_msgfree(msg);
 309         if (mem_ctx)
 310                 talloc_destroy(mem_ctx);
 311
 312         return ntstatus;
 313 }
 314
 315 /*******************************************************************
 316  Run the search by name.
 317 ******************************************************************/
 318
 319 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
 320                                           const char *user,
 321                                           LDAPMessage ** result,
 322                                           const char **attr)
 323 {
 324         char *filter = NULL;
 325         char *escape_user = escape_ldap_string(talloc_tos(), user);
 326         int ret = -1;
 327
 328         if (!escape_user) {
 329                 return LDAP_NO_MEMORY;
 330         }
 331
 332         /*
 333          * in the filter expression, replace %u with the real name
 334          * so in ldap filter, %u MUST exist :-)
 335          */
 336         filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
 337                 get_objclass_filter(ldap_state->schema_ver));
 338         if (!filter) {
 339                 TALLOC_FREE(escape_user);
 340                 return LDAP_NO_MEMORY;
 341         }
 342         /*
 343          * have to use this here because $ is filtered out
 344          * in string_sub
 345          */
 346
 347         filter = talloc_all_string_sub(talloc_tos(),
 348                                 filter, "%u", escape_user);
 349         TALLOC_FREE(escape_user);
 350         if (!filter) {
 351                 return LDAP_NO_MEMORY;
 352         }
 353
 354         ret = smbldap_search_suffix(ldap_state->smbldap_state,
 355                         filter, attr, result);
 356         TALLOC_FREE(filter);
 357         return ret;
 358 }
 359
 360 /*******************************************************************
 361  Run the search by rid.
 362 ******************************************************************/
 363
 364 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
 365                                          uint32_t rid, LDAPMessage ** result,
 366                                          const char **attr)
 367 {
 368         char *filter = NULL;
 369         int rc;
 370
 371         filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
 372                 get_objclass_filter(ldap_state->schema_ver));
 373         if (!filter) {
 374                 return LDAP_NO_MEMORY;
 375         }
 376
 377         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 378                         filter, attr, result);
 379         TALLOC_FREE(filter);
 380         return rc;
 381 }
 382
 383 /*******************************************************************
 384  Run the search by SID.
 385 ******************************************************************/
 386
 387 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
 388                                  const struct dom_sid *sid, LDAPMessage ** result,
 389                                  const char **attr)
 390 {
 391         char *filter = NULL;
 392         int rc;
 393         fstring sid_string;
 394
 395         filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
 396                 get_userattr_key2string(ldap_state->schema_ver,
 397                         LDAP_ATTR_USER_SID),
 398                 sid_to_fstring(sid_string, sid),
 399                 get_objclass_filter(ldap_state->schema_ver));
 400         if (!filter) {
 401                 return LDAP_NO_MEMORY;
 402         }
 403
 404         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 405                         filter, attr, result);
 406
 407         TALLOC_FREE(filter);
 408         return rc;
 409 }
 410
 411 /*******************************************************************
 412  Delete complete object or objectclass and attrs from
 413  object found in search_result depending on lp_ldap_delete_dn
 414 ******************************************************************/
 415
 416 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
 417                                 TALLOC_CTX *mem_ctx,
 418                                 LDAPMessage *entry,
 419                                 const char *objectclass,
 420                                 const char **attrs)
 421 {
 422         LDAPMod **mods = NULL;
 423         char *name;
 424         const char *dn;
 425         BerElement *ptr = NULL;
 426
 427         dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
 428         if (dn == NULL) {
 429                 return LDAP_NO_MEMORY;
 430         }
 431
 432         if (lp_ldap_delete_dn()) {
 433                 return smbldap_delete(priv->smbldap_state, dn);
 434         }
 435
 436         /* Ok, delete only the SAM attributes */
 437
 438         for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
 439              name != NULL;
 440              name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
 441                 const char **attrib;
 442
 443                 /* We are only allowed to delete the attributes that
 444                    really exist. */
 445
 446                 for (attrib = attrs; *attrib != NULL; attrib++) {
 447                         if (strequal(*attrib, name)) {
 448                                 DEBUG(10, ("ldapsam_delete_entry: deleting "
 449                                            "attribute %s\n", name));
 450                                 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
 451                                                 NULL);
 452                         }
 453                 }
 454                 ldap_memfree(name);
 455         }
 456
 457         if (ptr != NULL) {
 458                 ber_free(ptr, 0);
 459         }
 460
 461         smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
 462         talloc_autofree_ldapmod(mem_ctx, mods);
 463
 464         return smbldap_modify(priv->smbldap_state, dn, mods);
 465 }
 466
 467 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
 468 {
 469         char *temp;
 470         struct tm tm;
 471
 472         temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
 473                         get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
 474                         talloc_tos());
 475         if (!temp) {
 476                 return (time_t) 0;
 477         }
 478
 479         if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
 480                 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
 481                         (char*)temp));
 482                 TALLOC_FREE(temp);
 483                 return (time_t) 0;
 484         }
 485         TALLOC_FREE(temp);
 486         tzset();
 487         return timegm(&tm);
 488 }
 489
 490 /**********************************************************************
 491  Initialize struct samu from an LDAP query.
 492  (Based on init_sam_from_buffer in pdb_tdb.c)
 493 *********************************************************************/
 494
 495 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
 496                                 struct samu * sampass,
 497                                 LDAPMessage * entry)
 498 {
 499         time_t  logon_time,
 500                         logoff_time,
 501                         kickoff_time,
 502                         pass_last_set_time,
 503                         pass_can_change_time,
 504                         pass_must_change_time,
 505                         ldap_entry_time,
 506                         bad_password_time;
 507         char *username = NULL,
 508                         *domain = NULL,
 509                         *nt_username = NULL,
 510                         *fullname = NULL,
 511                         *homedir = NULL,
 512                         *dir_drive = NULL,
 513                         *logon_script = NULL,
 514                         *profile_path = NULL,
 515                         *acct_desc = NULL,
 516                         *workstations = NULL,
 517                         *munged_dial = NULL;
 518         uint32_t                user_rid;
 519         uint8           smblmpwd[LM_HASH_LEN],
 520                         smbntpwd[NT_HASH_LEN];
 521         bool            use_samba_attrs = True;
 522         uint32_t                acct_ctrl = 0;
 523         uint16_t                logon_divs;
 524         uint16_t                bad_password_count = 0,
 525                         logon_count = 0;
 526         uint32_t hours_len;
 527         uint8           hours[MAX_HOURS_LEN];
 528         char *temp = NULL;
 529         struct login_cache cache_entry;
 530         uint32_t                pwHistLen;
 531         bool expand_explicit = lp_passdb_expand_explicit();
 532         bool ret = false;
 533         TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
 534
 535         if (!ctx) {
 536                 return false;
 537         }
 538         if (sampass == NULL || ldap_state == NULL || entry == NULL) {
 539                 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
 540                 goto fn_exit;
 541         }
 542
 543         if (priv2ld(ldap_state) == NULL) {
 544                 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
 545                           "ldap_struct is NULL!\n"));
 546                 goto fn_exit;
 547         }
 548
 549         if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
 550                                         entry,
 551                                         "uid",
 552                                         ctx))) {
 553                 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
 554                           "this user!\n"));
 555                 goto fn_exit;
 556         }
 557
 558         DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
 559
 560         nt_username = talloc_strdup(ctx, username);
 561         if (!nt_username) {
 562                 goto fn_exit;
 563         }
 564
 565         domain = talloc_strdup(ctx, ldap_state->domain_name);
 566         if (!domain) {
 567                 goto fn_exit;
 568         }
 569
 570         pdb_set_username(sampass, username, PDB_SET);
 571
 572         pdb_set_domain(sampass, domain, PDB_DEFAULT);
 573         pdb_set_nt_username(sampass, nt_username, PDB_SET);
 574
 575         /* deal with different attributes between the schema first */
 576
 577         if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
 578                 if ((temp = smbldap_talloc_single_attribute(
 579                                 ldap_state->smbldap_state->ldap_struct,
 580                                 entry,
 581                                 get_userattr_key2string(ldap_state->schema_ver,
 582                                         LDAP_ATTR_USER_SID),
 583                                 ctx))!=NULL) {
 584                         pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
 585                 }
 586         } else {
 587                 if ((temp = smbldap_talloc_single_attribute(
 588                                 ldap_state->smbldap_state->ldap_struct,
 589                                 entry,
 590                                 get_userattr_key2string(ldap_state->schema_ver,
 591                                         LDAP_ATTR_USER_RID),
 592                                 ctx))!=NULL) {
 593                         user_rid = (uint32_t)atol(temp);
 594                         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
 595                 }
 596         }
 597
 598         if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
 599                 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
 600                         get_userattr_key2string(ldap_state->schema_ver,
 601                                 LDAP_ATTR_USER_SID),
 602                         get_userattr_key2string(ldap_state->schema_ver,
 603                                 LDAP_ATTR_USER_RID),
 604                         username));
 605                 return False;
 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_PWD_LAST_SET),
 613                         ctx);
 614         if (temp) {
 615                 pass_last_set_time = (time_t) atol(temp);
 616                 pdb_set_pass_last_set_time(sampass,
 617                                 pass_last_set_time, PDB_SET);
 618         }
 619
 620         temp = smbldap_talloc_single_attribute(
 621                         ldap_state->smbldap_state->ldap_struct,
 622                         entry,
 623                         get_userattr_key2string(ldap_state->schema_ver,
 624                                 LDAP_ATTR_LOGON_TIME),
 625                         ctx);
 626         if (temp) {
 627                 logon_time = (time_t) atol(temp);
 628                 pdb_set_logon_time(sampass, logon_time, PDB_SET);
 629         }
 630
 631         temp = smbldap_talloc_single_attribute(
 632                         ldap_state->smbldap_state->ldap_struct,
 633                         entry,
 634                         get_userattr_key2string(ldap_state->schema_ver,
 635                                 LDAP_ATTR_LOGOFF_TIME),
 636                         ctx);
 637         if (temp) {
 638                 logoff_time = (time_t) atol(temp);
 639                 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
 640         }
 641
 642         temp = smbldap_talloc_single_attribute(
 643                         ldap_state->smbldap_state->ldap_struct,
 644                         entry,
 645                         get_userattr_key2string(ldap_state->schema_ver,
 646                                 LDAP_ATTR_KICKOFF_TIME),
 647                         ctx);
 648         if (temp) {
 649                 kickoff_time = (time_t) atol(temp);
 650                 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
 651         }
 652
 653         temp = smbldap_talloc_single_attribute(
 654                         ldap_state->smbldap_state->ldap_struct,
 655                         entry,
 656                         get_userattr_key2string(ldap_state->schema_ver,
 657                                 LDAP_ATTR_PWD_CAN_CHANGE),
 658                         ctx);
 659         if (temp) {
 660                 pass_can_change_time = (time_t) atol(temp);
 661                 pdb_set_pass_can_change_time(sampass,
 662                                 pass_can_change_time, PDB_SET);
 663         }
 664
 665         temp = smbldap_talloc_single_attribute(
 666                         ldap_state->smbldap_state->ldap_struct,
 667                         entry,
 668                         get_userattr_key2string(ldap_state->schema_ver,
 669                                 LDAP_ATTR_PWD_MUST_CHANGE),
 670                         ctx);
 671         if (temp) {
 672                 pass_must_change_time = (time_t) atol(temp);
 673                 pdb_set_pass_must_change_time(sampass,
 674                                 pass_must_change_time, PDB_SET);
 675         }
 676
 677         /* recommend that 'gecos' and 'displayName' should refer to the same
 678          * attribute OID.  userFullName depreciated, only used by Samba
 679          * primary rules of LDAP: don't make a new attribute when one is already defined
 680          * that fits your needs; using cn then displayName rather than 'userFullName'
 681          */
 682
 683         fullname = smbldap_talloc_single_attribute(
 684                         ldap_state->smbldap_state->ldap_struct,
 685                         entry,
 686                         get_userattr_key2string(ldap_state->schema_ver,
 687                                 LDAP_ATTR_DISPLAY_NAME),
 688                         ctx);
 689         if (fullname) {
 690                 pdb_set_fullname(sampass, fullname, PDB_SET);
 691         } else {
 692                 fullname = smbldap_talloc_single_attribute(
 693                                 ldap_state->smbldap_state->ldap_struct,
 694                                 entry,
 695                                 get_userattr_key2string(ldap_state->schema_ver,
 696                                         LDAP_ATTR_CN),
 697                                 ctx);
 698                 if (fullname) {
 699                         pdb_set_fullname(sampass, fullname, PDB_SET);
 700                 }
 701         }
 702
 703         dir_drive = smbldap_talloc_single_attribute(
 704                         ldap_state->smbldap_state->ldap_struct,
 705                         entry,
 706                         get_userattr_key2string(ldap_state->schema_ver,
 707                                 LDAP_ATTR_HOME_DRIVE),
 708                         ctx);
 709         if (dir_drive) {
 710                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
 711         } else {
 712                 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
 713         }
 714
 715         homedir = smbldap_talloc_single_attribute(
 716                         ldap_state->smbldap_state->ldap_struct,
 717                         entry,
 718                         get_userattr_key2string(ldap_state->schema_ver,
 719                                 LDAP_ATTR_HOME_PATH),
 720                         ctx);
 721         if (homedir) {
 722                 if (expand_explicit) {
 723                         homedir = talloc_sub_basic(ctx,
 724                                                 username,
 725                                                 domain,
 726                                                 homedir);
 727                         if (!homedir) {
 728                                 goto fn_exit;
 729                         }
 730                 }
 731                 pdb_set_homedir(sampass, homedir, PDB_SET);
 732         } else {
 733                 pdb_set_homedir(sampass,
 734                         talloc_sub_basic(ctx, username, domain,
 735                                          lp_logon_home()),
 736                         PDB_DEFAULT);
 737         }
 738
 739         logon_script = smbldap_talloc_single_attribute(
 740                         ldap_state->smbldap_state->ldap_struct,
 741                         entry,
 742                         get_userattr_key2string(ldap_state->schema_ver,
 743                                 LDAP_ATTR_LOGON_SCRIPT),
 744                         ctx);
 745         if (logon_script) {
 746                 if (expand_explicit) {
 747                         logon_script = talloc_sub_basic(ctx,
 748                                                 username,
 749                                                 domain,
 750                                                 logon_script);
 751                         if (!logon_script) {
 752                                 goto fn_exit;
 753                         }
 754                 }
 755                 pdb_set_logon_script(sampass, logon_script, PDB_SET);
 756         } else {
 757                 pdb_set_logon_script(sampass,
 758                         talloc_sub_basic(ctx, username, domain,
 759                                          lp_logon_script()),
 760                         PDB_DEFAULT );
 761         }
 762
 763         profile_path = smbldap_talloc_single_attribute(
 764                         ldap_state->smbldap_state->ldap_struct,
 765                         entry,
 766                         get_userattr_key2string(ldap_state->schema_ver,
 767                                 LDAP_ATTR_PROFILE_PATH),
 768                         ctx);
 769         if (profile_path) {
 770                 if (expand_explicit) {
 771                         profile_path = talloc_sub_basic(ctx,
 772                                                 username,
 773                                                 domain,
 774                                                 profile_path);
 775                         if (!profile_path) {
 776                                 goto fn_exit;
 777                         }
 778                 }
 779                 pdb_set_profile_path(sampass, profile_path, PDB_SET);
 780         } else {
 781                 pdb_set_profile_path(sampass,
 782                         talloc_sub_basic(ctx, username, domain,
 783                                           lp_logon_path()),
 784                         PDB_DEFAULT );
 785         }
 786
 787         acct_desc = smbldap_talloc_single_attribute(
 788                         ldap_state->smbldap_state->ldap_struct,
 789                         entry,
 790                         get_userattr_key2string(ldap_state->schema_ver,
 791                                 LDAP_ATTR_DESC),
 792                         ctx);
 793         if (acct_desc) {
 794                 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
 795         }
 796
 797         workstations = smbldap_talloc_single_attribute(
 798                         ldap_state->smbldap_state->ldap_struct,
 799                         entry,
 800                         get_userattr_key2string(ldap_state->schema_ver,
 801                                 LDAP_ATTR_USER_WKS),
 802                         ctx);
 803         if (workstations) {
 804                 pdb_set_workstations(sampass, workstations, PDB_SET);
 805         }
 806
 807         munged_dial = smbldap_talloc_single_attribute(
 808                         ldap_state->smbldap_state->ldap_struct,
 809                         entry,
 810                         get_userattr_key2string(ldap_state->schema_ver,
 811                                 LDAP_ATTR_MUNGED_DIAL),
 812                         ctx);
 813         if (munged_dial) {
 814                 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
 815         }
 816
 817         /* FIXME: hours stuff should be cleaner */
 818
 819         logon_divs = 168;
 820         hours_len = 21;
 821         memset(hours, 0xff, hours_len);
 822
 823         if (ldap_state->is_nds_ldap) {
 824                 char *user_dn;
 825                 size_t pwd_len;
 826                 char clear_text_pw[512];
 827
 828                 /* Make call to Novell eDirectory ldap extension to get clear text password.
 829                         NOTE: This will only work if we have an SSL connection to eDirectory. */
 830                 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
 831                 if (user_dn != NULL) {
 832                         DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
 833
 834                         pwd_len = sizeof(clear_text_pw);
 835                         if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
 836                                 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
 837                                 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 838                                         TALLOC_FREE(user_dn);
 839                                         return False;
 840                                 }
 841                                 ZERO_STRUCT(smblmpwd);
 842                                 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 843                                         TALLOC_FREE(user_dn);
 844                                         return False;
 845                                 }
 846                                 ZERO_STRUCT(smbntpwd);
 847                                 use_samba_attrs = False;
 848                         }
 849
 850                         TALLOC_FREE(user_dn);
 851
 852                 } else {
 853                         DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
 854                 }
 855         }
 856
 857         if (use_samba_attrs) {
 858                 temp = smbldap_talloc_single_attribute(
 859                                 ldap_state->smbldap_state->ldap_struct,
 860                                 entry,
 861                                 get_userattr_key2string(ldap_state->schema_ver,
 862                                         LDAP_ATTR_LMPW),
 863                                 ctx);
 864                 if (temp) {
 865                         pdb_gethexpwd(temp, smblmpwd);
 866                         memset((char *)temp, '\0', strlen(temp)+1);
 867                         if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 868                                 goto fn_exit;
 869                         }
 870                         ZERO_STRUCT(smblmpwd);
 871                 }
 872
 873                 temp = smbldap_talloc_single_attribute(
 874                                 ldap_state->smbldap_state->ldap_struct,
 875                                 entry,
 876                                 get_userattr_key2string(ldap_state->schema_ver,
 877                                         LDAP_ATTR_NTPW),
 878                                 ctx);
 879                 if (temp) {
 880                         pdb_gethexpwd(temp, smbntpwd);
 881                         memset((char *)temp, '\0', strlen(temp)+1);
 882                         if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 883                                 goto fn_exit;
 884                         }
 885                         ZERO_STRUCT(smbntpwd);
 886                 }
 887         }
 888
 889         pwHistLen = 0;
 890
 891         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
 892         if (pwHistLen > 0){
 893                 uint8 *pwhist = NULL;
 894                 int i;
 895                 char *history_string = talloc_array(ctx, char,
 896                                                 MAX_PW_HISTORY_LEN*64);
 897
 898                 if (!history_string) {
 899                         goto fn_exit;
 900                 }
 901
 902                 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
 903
 904                 pwhist = talloc_array(ctx, uint8,
 905                                       pwHistLen * PW_HISTORY_ENTRY_LEN);
 906                 if (pwhist == NULL) {
 907                         DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
 908                         goto fn_exit;
 909                 }
 910                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 911
 912                 if (smbldap_get_single_attribute(
 913                                 ldap_state->smbldap_state->ldap_struct,
 914                                 entry,
 915                                 get_userattr_key2string(ldap_state->schema_ver,
 916                                         LDAP_ATTR_PWD_HISTORY),
 917                                 history_string,
 918                                 MAX_PW_HISTORY_LEN*64)) {
 919                         bool hex_failed = false;
 920                         for (i = 0; i < pwHistLen; i++){
 921                                 /* Get the 16 byte salt. */
 922                                 if (!pdb_gethexpwd(&history_string[i*64],
 923                                         &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
 924                                         hex_failed = true;
 925                                         break;
 926                                 }
 927                                 /* Get the 16 byte MD5 hash of salt+passwd. */
 928                                 if (!pdb_gethexpwd(&history_string[(i*64)+32],
 929                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
 930                                                 PW_HISTORY_SALT_LEN])) {
 931                                         hex_failed = True;
 932                                         break;
 933                                 }
 934                         }
 935                         if (hex_failed) {
 936                                 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
 937                                         username));
 938                                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 939                         }
 940                 }
 941                 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
 942                         goto fn_exit;
 943                 }
 944         }
 945
 946         temp = smbldap_talloc_single_attribute(
 947                         ldap_state->smbldap_state->ldap_struct,
 948                         entry,
 949                         get_userattr_key2string(ldap_state->schema_ver,
 950                                 LDAP_ATTR_ACB_INFO),
 951                         ctx);
 952         if (temp) {
 953                 acct_ctrl = pdb_decode_acct_ctrl(temp);
 954
 955                 if (acct_ctrl == 0) {
 956                         acct_ctrl |= ACB_NORMAL;
 957                 }
 958
 959                 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
 960         } else {
 961                 acct_ctrl |= ACB_NORMAL;
 962         }
 963
 964         pdb_set_hours_len(sampass, hours_len, PDB_SET);
 965         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
 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_BAD_PASSWORD_COUNT),
 972                         ctx);
 973         if (temp) {
 974                 bad_password_count = (uint32_t) atol(temp);
 975                 pdb_set_bad_password_count(sampass,
 976                                 bad_password_count, PDB_SET);
 977         }
 978
 979         temp = smbldap_talloc_single_attribute(
 980                         ldap_state->smbldap_state->ldap_struct,
 981                         entry,
 982                         get_userattr_key2string(ldap_state->schema_ver,
 983                                 LDAP_ATTR_BAD_PASSWORD_TIME),
 984                         ctx);
 985         if (temp) {
 986                 bad_password_time = (time_t) atol(temp);
 987                 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
 988         }
 989
 990
 991         temp = smbldap_talloc_single_attribute(
 992                         ldap_state->smbldap_state->ldap_struct,
 993                         entry,
 994                         get_userattr_key2string(ldap_state->schema_ver,
 995                                 LDAP_ATTR_LOGON_COUNT),
 996                         ctx);
 997         if (temp) {
 998                 logon_count = (uint32_t) atol(temp);
 999                 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1000         }
1001
1002         /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1003
1004         temp = smbldap_talloc_single_attribute(
1005                         ldap_state->smbldap_state->ldap_struct,
1006                         entry,
1007                         get_userattr_key2string(ldap_state->schema_ver,
1008                                 LDAP_ATTR_LOGON_HOURS),
1009                         ctx);
1010         if (temp) {
1011                 pdb_gethexhours(temp, hours);
1012                 memset((char *)temp, '\0', strlen(temp) +1);
1013                 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1014                 ZERO_STRUCT(hours);
1015         }
1016
1017         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1018                 struct passwd unix_pw;
1019                 bool have_uid = false;
1020                 bool have_gid = false;
1021                 struct dom_sid mapped_gsid;
1022                 const struct dom_sid *primary_gsid;
1023
1024                 ZERO_STRUCT(unix_pw);
1025
1026                 unix_pw.pw_name = username;
1027                 unix_pw.pw_passwd = discard_const_p(char, "x");
1028
1029                 temp = smbldap_talloc_single_attribute(
1030                                 priv2ld(ldap_state),
1031                                 entry,
1032                                 "uidNumber",
1033                                 ctx);
1034                 if (temp) {
1035                         /* We've got a uid, feed the cache */
1036                         unix_pw.pw_uid = strtoul(temp, NULL, 10);
1037                         have_uid = true;
1038                 }
1039                 temp = smbldap_talloc_single_attribute(
1040                                 priv2ld(ldap_state),
1041                                 entry,
1042                                 "gidNumber",
1043                                 ctx);
1044                 if (temp) {
1045                         /* We've got a uid, feed the cache */
1046                         unix_pw.pw_gid = strtoul(temp, NULL, 10);
1047                         have_gid = true;
1048                 }
1049                 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1050                                 priv2ld(ldap_state),
1051                                 entry,
1052                                 "gecos",
1053                                 ctx);
1054                 if (unix_pw.pw_gecos) {
1055                         unix_pw.pw_gecos = fullname;
1056                 }
1057                 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1058                                 priv2ld(ldap_state),
1059                                 entry,
1060                                 "homeDirectory",
1061                                 ctx);
1062                 if (unix_pw.pw_dir) {
1063                         unix_pw.pw_dir = discard_const_p(char, "");
1064                 }
1065                 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1066                                 priv2ld(ldap_state),
1067                                 entry,
1068                                 "loginShell",
1069                                 ctx);
1070                 if (unix_pw.pw_shell) {
1071                         unix_pw.pw_shell = discard_const_p(char, "");
1072                 }
1073
1074                 if (have_uid && have_gid) {
1075                         sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1076                 } else {
1077                         sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1078                 }
1079
1080                 if (sampass->unix_pw == NULL) {
1081                         DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1082                                  pdb_get_username(sampass)));
1083                         goto fn_exit;
1084                 }
1085
1086                 store_uid_sid_cache(pdb_get_user_sid(sampass),
1087                                     sampass->unix_pw->pw_uid);
1088                 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1089                                         sampass->unix_pw->pw_uid);
1090
1091                 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1092                 primary_gsid = pdb_get_group_sid(sampass);
1093                 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1094                         store_gid_sid_cache(primary_gsid,
1095                                             sampass->unix_pw->pw_gid);
1096                         idmap_cache_set_sid2gid(primary_gsid,
1097                                                 sampass->unix_pw->pw_gid);
1098                 }
1099         }
1100
1101         /* check the timestamp of the cache vs ldap entry */
1102         if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1103                                                             entry))) {
1104                 ret = true;
1105                 goto fn_exit;
1106         }
1107
1108         /* see if we have newer updates */
1109         if (!login_cache_read(sampass, &cache_entry)) {
1110                 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1111                            (unsigned int)pdb_get_bad_password_count(sampass),
1112                            (unsigned int)pdb_get_bad_password_time(sampass)));
1113                 ret = true;
1114                 goto fn_exit;
1115         }
1116
1117         DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1118                   (unsigned int)ldap_entry_time,
1119                   (unsigned int)cache_entry.entry_timestamp,
1120                   (unsigned int)cache_entry.bad_password_time));
1121
1122         if (ldap_entry_time > cache_entry.entry_timestamp) {
1123                 /* cache is older than directory , so
1124                    we need to delete the entry but allow the
1125                    fields to be written out */
1126                 login_cache_delentry(sampass);
1127         } else {
1128                 /* read cache in */
1129                 pdb_set_acct_ctrl(sampass,
1130                                   pdb_get_acct_ctrl(sampass) |
1131                                   (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1132                                   PDB_SET);
1133                 pdb_set_bad_password_count(sampass,
1134                                            cache_entry.bad_password_count,
1135                                            PDB_SET);
1136                 pdb_set_bad_password_time(sampass,
1137                                           cache_entry.bad_password_time,
1138                                           PDB_SET);
1139         }
1140
1141         ret = true;
1142
1143   fn_exit:
1144
1145         TALLOC_FREE(ctx);
1146         return ret;
1147 }
1148
1149 /**********************************************************************
1150  Initialize the ldap db from a struct samu. Called on update.
1151  (Based on init_buffer_from_sam in pdb_tdb.c)
1152 *********************************************************************/
1153
1154 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1155                                 LDAPMessage *existing,
1156                                 LDAPMod *** mods, struct samu * sampass,
1157                                 bool (*need_update)(const struct samu *,
1158                                                     enum pdb_elements))
1159 {
1160         char *temp = NULL;
1161         uint32_t rid;
1162
1163         if (mods == NULL || sampass == NULL) {
1164                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1165                 return False;
1166         }
1167
1168         *mods = NULL;
1169
1170         /*
1171          * took out adding "objectclass: sambaAccount"
1172          * do this on a per-mod basis
1173          */
1174         if (need_update(sampass, PDB_USERNAME)) {
1175                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1176                               "uid", pdb_get_username(sampass));
1177                 if (ldap_state->is_nds_ldap) {
1178                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1179                                       "cn", pdb_get_username(sampass));
1180                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1181                                       "sn", pdb_get_username(sampass));
1182                 }
1183         }
1184
1185         DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1186
1187         /* only update the RID if we actually need to */
1188         if (need_update(sampass, PDB_USERSID)) {
1189                 fstring sid_string;
1190                 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1191
1192                 switch ( ldap_state->schema_ver ) {
1193                         case SCHEMAVER_SAMBAACCOUNT:
1194                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1195                                         DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1196                                                   sid_string_dbg(user_sid),
1197                                                   sid_string_dbg(
1198                                                           &ldap_state->domain_sid)));
1199                                         return False;
1200                                 }
1201                                 if (asprintf(&temp, "%i", rid) < 0) {
1202                                         return false;
1203                                 }
1204                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1205                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1206                                         temp);
1207                                 SAFE_FREE(temp);
1208                                 break;
1209
1210                         case SCHEMAVER_SAMBASAMACCOUNT:
1211                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1212                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1213                                         sid_to_fstring(sid_string, user_sid));
1214                                 break;
1215
1216                         default:
1217                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1218                                 break;
1219                 }
1220         }
1221
1222         /* we don't need to store the primary group RID - so leaving it
1223            'free' to hang off the unix primary group makes life easier */
1224
1225         if (need_update(sampass, PDB_GROUPSID)) {
1226                 fstring sid_string;
1227                 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1228
1229                 switch ( ldap_state->schema_ver ) {
1230                         case SCHEMAVER_SAMBAACCOUNT:
1231                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1232                                         DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1233                                                   sid_string_dbg(group_sid),
1234                                                   sid_string_dbg(
1235                                                           &ldap_state->domain_sid)));
1236                                         return False;
1237                                 }
1238
1239                                 if (asprintf(&temp, "%i", rid) < 0) {
1240                                         return false;
1241                                 }
1242                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1243                                         get_userattr_key2string(ldap_state->schema_ver,
1244                                         LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1245                                 SAFE_FREE(temp);
1246                                 break;
1247
1248                         case SCHEMAVER_SAMBASAMACCOUNT:
1249                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1250                                         get_userattr_key2string(ldap_state->schema_ver,
1251                                         LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1252                                 break;
1253
1254                         default:
1255                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1256                                 break;
1257                 }
1258
1259         }
1260
1261         /* displayName, cn, and gecos should all be the same
1262          *  most easily accomplished by giving them the same OID
1263          *  gecos isn't set here b/c it should be handled by the
1264          *  add-user script
1265          *  We change displayName only and fall back to cn if
1266          *  it does not exist.
1267          */
1268
1269         if (need_update(sampass, PDB_FULLNAME))
1270                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1271                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1272                         pdb_get_fullname(sampass));
1273
1274         if (need_update(sampass, PDB_ACCTDESC))
1275                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1276                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1277                         pdb_get_acct_desc(sampass));
1278
1279         if (need_update(sampass, PDB_WORKSTATIONS))
1280                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1281                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1282                         pdb_get_workstations(sampass));
1283
1284         if (need_update(sampass, PDB_MUNGEDDIAL))
1285                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1287                         pdb_get_munged_dial(sampass));
1288
1289         if (need_update(sampass, PDB_SMBHOME))
1290                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1291                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1292                         pdb_get_homedir(sampass));
1293
1294         if (need_update(sampass, PDB_DRIVE))
1295                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1297                         pdb_get_dir_drive(sampass));
1298
1299         if (need_update(sampass, PDB_LOGONSCRIPT))
1300                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1301                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1302                         pdb_get_logon_script(sampass));
1303
1304         if (need_update(sampass, PDB_PROFILE))
1305                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1307                         pdb_get_profile_path(sampass));
1308
1309         if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1310                 return false;
1311         }
1312         if (need_update(sampass, PDB_LOGONTIME))
1313                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1314                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1315         SAFE_FREE(temp);
1316
1317         if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1318                 return false;
1319         }
1320         if (need_update(sampass, PDB_LOGOFFTIME))
1321                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1322                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1323         SAFE_FREE(temp);
1324
1325         if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1326                 return false;
1327         }
1328         if (need_update(sampass, PDB_KICKOFFTIME))
1329                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1330                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1331         SAFE_FREE(temp);
1332
1333         if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1334                 return false;
1335         }
1336         if (need_update(sampass, PDB_CANCHANGETIME))
1337                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1338                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1339         SAFE_FREE(temp);
1340
1341         if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1342                 return false;
1343         }
1344         if (need_update(sampass, PDB_MUSTCHANGETIME))
1345                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1346                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1347         SAFE_FREE(temp);
1348
1349         if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1350                         || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1351
1352                 if (need_update(sampass, PDB_LMPASSWD)) {
1353                         const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1354                         if (lm_pw) {
1355                                 char pwstr[34];
1356                                 pdb_sethexpwd(pwstr, lm_pw,
1357                                               pdb_get_acct_ctrl(sampass));
1358                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1359                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1360                                                  pwstr);
1361                         } else {
1362                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1363                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1364                                                  NULL);
1365                         }
1366                 }
1367                 if (need_update(sampass, PDB_NTPASSWD)) {
1368                         const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1369                         if (nt_pw) {
1370                                 char pwstr[34];
1371                                 pdb_sethexpwd(pwstr, nt_pw,
1372                                               pdb_get_acct_ctrl(sampass));
1373                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1374                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1375                                                  pwstr);
1376                         } else {
1377                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1378                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1379                                                  NULL);
1380                         }
1381                 }
1382
1383                 if (need_update(sampass, PDB_PWHISTORY)) {
1384                         char *pwstr = NULL;
1385                         uint32_t pwHistLen = 0;
1386                         pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1387
1388                         pwstr = SMB_MALLOC_ARRAY(char, 1024);
1389                         if (!pwstr) {
1390                                 return false;
1391                         }
1392                         if (pwHistLen == 0) {
1393                                 /* Remove any password history from the LDAP store. */
1394                                 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1395                                 pwstr[64] = '\0';
1396                         } else {
1397                                 int i;
1398                                 uint32_t currHistLen = 0;
1399                                 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1400                                 if (pwhist != NULL) {
1401                                         /* We can only store (1024-1/64 password history entries. */
1402                                         pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1403                                         for (i=0; i< pwHistLen && i < currHistLen; i++) {
1404                                                 /* Store the salt. */
1405                                                 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1406                                                 /* Followed by the md5 hash of salt + md4 hash */
1407                                                 pdb_sethexpwd(&pwstr[(i*64)+32],
1408                                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1409                                                 DEBUG(100, ("pwstr=%s\n", pwstr));
1410                                         }
1411                                 }
1412                         }
1413                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1414                                          get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1415                                          pwstr);
1416                         SAFE_FREE(pwstr);
1417                 }
1418
1419                 if (need_update(sampass, PDB_PASSLASTSET)) {
1420                         if (asprintf(&temp, "%li",
1421                                 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1422                                 return false;
1423                         }
1424                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1425                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1426                                 temp);
1427                         SAFE_FREE(temp);
1428                 }
1429         }
1430
1431         if (need_update(sampass, PDB_HOURS)) {
1432                 const uint8 *hours = pdb_get_hours(sampass);
1433                 if (hours) {
1434                         char hourstr[44];
1435                         pdb_sethexhours(hourstr, hours);
1436                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1437                                 existing,
1438                                 mods,
1439                                 get_userattr_key2string(ldap_state->schema_ver,
1440                                                 LDAP_ATTR_LOGON_HOURS),
1441                                 hourstr);
1442                 }
1443         }
1444
1445         if (need_update(sampass, PDB_ACCTCTRL))
1446                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1447                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1448                         pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1449
1450         /* password lockout cache:
1451            - If we are now autolocking or clearing, we write to ldap
1452            - If we are clearing, we delete the cache entry
1453            - If the count is > 0, we update the cache
1454
1455            This even means when autolocking, we cache, just in case the
1456            update doesn't work, and we have to cache the autolock flag */
1457
1458         if (need_update(sampass, PDB_BAD_PASSWORD_COUNT))  /* &&
1459             need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1460                 uint16_t badcount = pdb_get_bad_password_count(sampass);
1461                 time_t badtime = pdb_get_bad_password_time(sampass);
1462                 uint32_t pol;
1463                 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1464
1465                 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1466                         (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1467
1468                 if ((badcount >= pol) || (badcount == 0)) {
1469                         DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1470                                 (unsigned int)badcount, (unsigned int)badtime));
1471                         if (asprintf(&temp, "%li", (long)badcount) < 0) {
1472                                 return false;
1473                         }
1474                         smbldap_make_mod(
1475                                 ldap_state->smbldap_state->ldap_struct,
1476                                 existing, mods,
1477                                 get_userattr_key2string(
1478                                         ldap_state->schema_ver,
1479                                         LDAP_ATTR_BAD_PASSWORD_COUNT),
1480                                 temp);
1481                         SAFE_FREE(temp);
1482
1483                         if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1484                                 return false;
1485                         }
1486                         smbldap_make_mod(
1487                                 ldap_state->smbldap_state->ldap_struct,
1488                                 existing, mods,
1489                                 get_userattr_key2string(
1490                                         ldap_state->schema_ver,
1491                                         LDAP_ATTR_BAD_PASSWORD_TIME),
1492                                 temp);
1493                         SAFE_FREE(temp);
1494                 }
1495                 if (badcount == 0) {
1496                         DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1497                         login_cache_delentry(sampass);
1498                 } else {
1499                         struct login_cache cache_entry;
1500
1501                         cache_entry.entry_timestamp = time(NULL);
1502                         cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1503                         cache_entry.bad_password_count = badcount;
1504                         cache_entry.bad_password_time = badtime;
1505
1506                         DEBUG(7, ("Updating bad password count and time in login cache\n"));
1507                         login_cache_write(sampass, &cache_entry);
1508                 }
1509         }
1510
1511         return True;
1512 }
1513
1514 /**********************************************************************
1515  End enumeration of the LDAP password list.
1516 *********************************************************************/
1517
1518 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1519 {
1520         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1521         if (ldap_state->result) {
1522                 ldap_msgfree(ldap_state->result);
1523                 ldap_state->result = NULL;
1524         }
1525 }
1526
1527 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1528                         const char *new_attr)
1529 {
1530         int i;
1531
1532         if (new_attr == NULL) {
1533                 return;
1534         }
1535
1536         for (i=0; (*attr_list)[i] != NULL; i++) {
1537                 ;
1538         }
1539
1540         (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1541                                             const char *,  i+2);
1542         SMB_ASSERT((*attr_list) != NULL);
1543         (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1544         (*attr_list)[i+1] = NULL;
1545 }
1546
1547 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1548                                         const char ***attr_list)
1549 {
1550         append_attr(mem_ctx, attr_list, "uidNumber");
1551         append_attr(mem_ctx, attr_list, "gidNumber");
1552         append_attr(mem_ctx, attr_list, "homeDirectory");
1553         append_attr(mem_ctx, attr_list, "loginShell");
1554         append_attr(mem_ctx, attr_list, "gecos");
1555 }
1556
1557 /**********************************************************************
1558 Get struct samu entry from LDAP by username.
1559 *********************************************************************/
1560
1561 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1562 {
1563         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1564         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1565         LDAPMessage *result = NULL;
1566         LDAPMessage *entry = NULL;
1567         int count;
1568         const char ** attr_list;
1569         int rc;
1570
1571         attr_list = get_userattr_list( user, ldap_state->schema_ver );
1572         append_attr(user, &attr_list,
1573                     get_userattr_key2string(ldap_state->schema_ver,
1574                                             LDAP_ATTR_MOD_TIMESTAMP));
1575         ldapsam_add_unix_attributes(user, &attr_list);
1576         rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1577                                            attr_list);
1578         TALLOC_FREE( attr_list );
1579
1580         if ( rc != LDAP_SUCCESS )
1581                 return NT_STATUS_NO_SUCH_USER;
1582
1583         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1584
1585         if (count < 1) {
1586                 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1587                 ldap_msgfree(result);
1588                 return NT_STATUS_NO_SUCH_USER;
1589         } else if (count > 1) {
1590                 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1591                 ldap_msgfree(result);
1592                 return NT_STATUS_NO_SUCH_USER;
1593         }
1594
1595         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1596         if (entry) {
1597                 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1598                         DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1599                         ldap_msgfree(result);
1600                         return NT_STATUS_NO_SUCH_USER;
1601                 }
1602                 pdb_set_backend_private_data(user, result, NULL,
1603                                              my_methods, PDB_CHANGED);
1604                 talloc_autofree_ldapmsg(user, result);
1605                 ret = NT_STATUS_OK;
1606         } else {
1607                 ldap_msgfree(result);
1608         }
1609         return ret;
1610 }
1611
1612 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1613                                    const struct dom_sid *sid, LDAPMessage **result)
1614 {
1615         int rc = -1;
1616         const char ** attr_list;
1617         uint32_t rid;
1618
1619         switch ( ldap_state->schema_ver ) {
1620                 case SCHEMAVER_SAMBASAMACCOUNT: {
1621                         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1622                         if (tmp_ctx == NULL) {
1623                                 return LDAP_NO_MEMORY;
1624                         }
1625
1626                         attr_list = get_userattr_list(tmp_ctx,
1627                                                       ldap_state->schema_ver);
1628                         append_attr(tmp_ctx, &attr_list,
1629                                     get_userattr_key2string(
1630                                             ldap_state->schema_ver,
1631                                             LDAP_ATTR_MOD_TIMESTAMP));
1632                         ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1633                         rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1634                                                           result, attr_list);
1635                         TALLOC_FREE(tmp_ctx);
1636
1637                         if ( rc != LDAP_SUCCESS )
1638                                 return rc;
1639                         break;
1640                 }
1641
1642                 case SCHEMAVER_SAMBAACCOUNT:
1643                         if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1644                                 return rc;
1645                         }
1646
1647                         attr_list = get_userattr_list(NULL,
1648                                                       ldap_state->schema_ver);
1649                         rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1650                         TALLOC_FREE( attr_list );
1651
1652                         if ( rc != LDAP_SUCCESS )
1653                                 return rc;
1654                         break;
1655         }
1656         return rc;
1657 }
1658
1659 /**********************************************************************
1660  Get struct samu entry from LDAP by SID.
1661 *********************************************************************/
1662
1663 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1664 {
1665         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1666         LDAPMessage *result = NULL;
1667         LDAPMessage *entry = NULL;
1668         int count;
1669         int rc;
1670
1671         rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1672                                           sid, &result);
1673         if (rc != LDAP_SUCCESS)
1674                 return NT_STATUS_NO_SUCH_USER;
1675
1676         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1677
1678         if (count < 1) {
1679                 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1680                           "count=%d\n", sid_string_dbg(sid), count));
1681                 ldap_msgfree(result);
1682                 return NT_STATUS_NO_SUCH_USER;
1683         }  else if (count > 1) {
1684                 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1685                           "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1686                           count));
1687                 ldap_msgfree(result);
1688                 return NT_STATUS_NO_SUCH_USER;
1689         }
1690
1691         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1692         if (!entry) {
1693                 ldap_msgfree(result);
1694                 return NT_STATUS_NO_SUCH_USER;
1695         }
1696
1697         if (!init_sam_from_ldap(ldap_state, user, entry)) {
1698                 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1699                 ldap_msgfree(result);
1700                 return NT_STATUS_NO_SUCH_USER;
1701         }
1702
1703         pdb_set_backend_private_data(user, result, NULL,
1704                                      my_methods, PDB_CHANGED);
1705         talloc_autofree_ldapmsg(user, result);
1706         return NT_STATUS_OK;
1707 }
1708
1709 /********************************************************************
1710  Do the actual modification - also change a plaintext passord if
1711  it it set.
1712 **********************************************************************/
1713
1714 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1715                                      struct samu *newpwd, char *dn,
1716                                      LDAPMod **mods, int ldap_op,
1717                                      bool (*need_update)(const struct samu *, enum pdb_elements))
1718 {
1719         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1720         int rc;
1721
1722         if (!newpwd || !dn) {
1723                 return NT_STATUS_INVALID_PARAMETER;
1724         }
1725
1726         if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1727                         (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1728                         need_update(newpwd, PDB_PLAINTEXT_PW) &&
1729                         (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1730                 BerElement *ber;
1731                 struct berval *bv;
1732                 char *retoid = NULL;
1733                 struct berval *retdata = NULL;
1734                 char *utf8_password;
1735                 char *utf8_dn;
1736                 size_t converted_size;
1737                 int ret;
1738
1739                 if (!ldap_state->is_nds_ldap) {
1740
1741                         if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1742                                                    LDAP_EXOP_MODIFY_PASSWD)) {
1743                                 DEBUG(2, ("ldap password change requested, but LDAP "
1744                                           "server does not support it -- ignoring\n"));
1745                                 return NT_STATUS_OK;
1746                         }
1747                 }
1748
1749                 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1750                                         pdb_get_plaintext_passwd(newpwd),
1751                                         &converted_size))
1752                 {
1753                         return NT_STATUS_NO_MEMORY;
1754                 }
1755
1756                 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1757                         TALLOC_FREE(utf8_password);
1758                         return NT_STATUS_NO_MEMORY;
1759                 }
1760
1761                 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1762                         DEBUG(0,("ber_alloc_t returns NULL\n"));
1763                         TALLOC_FREE(utf8_password);
1764                         TALLOC_FREE(utf8_dn);
1765                         return NT_STATUS_UNSUCCESSFUL;
1766                 }
1767
1768                 if ((ber_printf (ber, "{") < 0) ||
1769                     (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1770                                  utf8_dn) < 0)) {
1771                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1772                                  "value <0\n"));
1773                         ber_free(ber,1);
1774                         TALLOC_FREE(utf8_dn);
1775                         TALLOC_FREE(utf8_password);
1776                         return NT_STATUS_UNSUCCESSFUL;
1777                 }
1778
1779                 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1780                         ret = ber_printf(ber, "ts}",
1781                                          LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1782                                          utf8_password);
1783                 } else {
1784                         ret = ber_printf(ber, "}");
1785                 }
1786
1787                 if (ret < 0) {
1788                         DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1789                                  "value <0\n"));
1790                         ber_free(ber,1);
1791                         TALLOC_FREE(utf8_dn);
1792                         TALLOC_FREE(utf8_password);
1793                         return NT_STATUS_UNSUCCESSFUL;
1794                 }
1795
1796                 if ((rc = ber_flatten (ber, &bv))<0) {
1797                         DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1798                         ber_free(ber,1);
1799                         TALLOC_FREE(utf8_dn);
1800                         TALLOC_FREE(utf8_password);
1801                         return NT_STATUS_UNSUCCESSFUL;
1802                 }
1803
1804                 TALLOC_FREE(utf8_dn);
1805                 TALLOC_FREE(utf8_password);
1806                 ber_free(ber, 1);
1807
1808                 if (!ldap_state->is_nds_ldap) {
1809                         rc = smbldap_extended_operation(ldap_state->smbldap_state,
1810                                                         LDAP_EXOP_MODIFY_PASSWD,
1811                                                         bv, NULL, NULL, &retoid,
1812                                                         &retdata);
1813                 } else {
1814                         rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1815                                                         pdb_get_plaintext_passwd(newpwd));
1816                 }
1817                 if (rc != LDAP_SUCCESS) {
1818                         char *ld_error = NULL;
1819
1820                         if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1821                                 DEBUG(3, ("Could not set userPassword "
1822                                           "attribute due to an objectClass "
1823                                           "violation -- ignoring\n"));
1824                                 ber_bvfree(bv);
1825                                 return NT_STATUS_OK;
1826                         }
1827
1828                         ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1829                                         &ld_error);
1830                         DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1831                                 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1832                         SAFE_FREE(ld_error);
1833                         ber_bvfree(bv);
1834 #if defined(LDAP_CONSTRAINT_VIOLATION)
1835                         if (rc == LDAP_CONSTRAINT_VIOLATION)
1836                                 return NT_STATUS_PASSWORD_RESTRICTION;
1837 #endif
1838                         return NT_STATUS_UNSUCCESSFUL;
1839                 } else {
1840                         DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1841 #ifdef DEBUG_PASSWORD
1842                         DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1843 #endif
1844                         if (retdata)
1845                                 ber_bvfree(retdata);
1846                         if (retoid)
1847                                 ldap_memfree(retoid);
1848                 }
1849                 ber_bvfree(bv);
1850         }
1851
1852         if (!mods) {
1853                 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1854                 /* may be password change below however */
1855         } else {
1856                 switch(ldap_op) {
1857                         case LDAP_MOD_ADD:
1858                                 if (ldap_state->is_nds_ldap) {
1859                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1860                                                         "objectclass",
1861                                                         "inetOrgPerson");
1862                                 } else {
1863                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1864                                                         "objectclass",
1865                                                         LDAP_OBJ_ACCOUNT);
1866                                 }
1867                                 rc = smbldap_add(ldap_state->smbldap_state,
1868                                                  dn, mods);
1869                                 break;
1870                         case LDAP_MOD_REPLACE:
1871                                 rc = smbldap_modify(ldap_state->smbldap_state,
1872                                                     dn ,mods);
1873                                 break;
1874                         default:
1875                                 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1876                                          ldap_op));
1877                                 return NT_STATUS_INVALID_PARAMETER;
1878                 }
1879
1880                 if (rc!=LDAP_SUCCESS) {
1881                         return NT_STATUS_UNSUCCESSFUL;
1882                 }
1883         }
1884
1885         return NT_STATUS_OK;
1886 }
1887
1888 /**********************************************************************
1889  Delete entry from LDAP for username.
1890 *********************************************************************/
1891
1892 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1893                                            struct samu * sam_acct)
1894 {
1895         struct ldapsam_privates *priv =
1896                 (struct ldapsam_privates *)my_methods->private_data;
1897         const char *sname;
1898         int rc;
1899         LDAPMessage *msg, *entry;
1900         NTSTATUS result = NT_STATUS_NO_MEMORY;
1901         const char **attr_list;
1902         TALLOC_CTX *mem_ctx;
1903
1904         if (!sam_acct) {
1905                 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1906                 return NT_STATUS_INVALID_PARAMETER;
1907         }
1908
1909         sname = pdb_get_username(sam_acct);
1910
1911         DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1912                   "LDAP.\n", sname));
1913
1914         mem_ctx = talloc_new(NULL);
1915         if (mem_ctx == NULL) {
1916                 DEBUG(0, ("talloc_new failed\n"));
1917                 goto done;
1918         }
1919
1920         attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1921         if (attr_list == NULL) {
1922                 goto done;
1923         }
1924
1925         rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1926
1927         if ((rc != LDAP_SUCCESS) ||
1928             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1929             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1930                 DEBUG(5, ("Could not find user %s\n", sname));
1931                 result = NT_STATUS_NO_SUCH_USER;
1932                 goto done;
1933         }
1934
1935         rc = ldapsam_delete_entry(
1936                 priv, mem_ctx, entry,
1937                 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1938                 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1939                 attr_list);
1940
1941         result = (rc == LDAP_SUCCESS) ?
1942                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1943
1944  done:
1945         TALLOC_FREE(mem_ctx);
1946         return result;
1947 }
1948
1949 /**********************************************************************
1950  Update struct samu.
1951 *********************************************************************/
1952
1953 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1954 {
1955         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1956         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1957         int rc = 0;
1958         char *dn;
1959         LDAPMessage *result = NULL;
1960         LDAPMessage *entry = NULL;
1961         LDAPMod **mods = NULL;
1962         const char **attr_list;
1963
1964         result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1965         if (!result) {
1966                 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1967                 if (pdb_get_username(newpwd) == NULL) {
1968                         return NT_STATUS_INVALID_PARAMETER;
1969                 }
1970                 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1971                 TALLOC_FREE( attr_list );
1972                 if (rc != LDAP_SUCCESS) {
1973                         return NT_STATUS_UNSUCCESSFUL;
1974                 }
1975                 pdb_set_backend_private_data(newpwd, result, NULL,
1976                                              my_methods, PDB_CHANGED);
1977                 talloc_autofree_ldapmsg(newpwd, result);
1978         }
1979
1980         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1981                 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1982                 return NT_STATUS_UNSUCCESSFUL;
1983         }
1984
1985         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1986         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1987         if (!dn) {
1988                 return NT_STATUS_UNSUCCESSFUL;
1989         }
1990
1991         DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1992
1993         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1994                                 pdb_element_is_changed)) {
1995                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1996                 TALLOC_FREE(dn);
1997                 if (mods != NULL)
1998                         ldap_mods_free(mods,True);
1999                 return NT_STATUS_UNSUCCESSFUL;
2000         }
2001
2002         if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2003             && (mods == NULL)) {
2004                 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2005                          pdb_get_username(newpwd)));
2006                 TALLOC_FREE(dn);
2007                 return NT_STATUS_OK;
2008         }
2009
2010         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
2011
2012         if (mods != NULL) {
2013                 ldap_mods_free(mods,True);
2014         }
2015
2016         TALLOC_FREE(dn);
2017
2018         /*
2019          * We need to set the backend private data to NULL here. For example
2020          * setuserinfo level 25 does a pdb_update_sam_account twice on the
2021          * same one, and with the explicit delete / add logic for attribute
2022          * values the second time we would use the wrong "old" value which
2023          * does not exist in LDAP anymore. Thus the LDAP server would refuse
2024          * the update.
2025          * The existing LDAPMessage is still being auto-freed by the
2026          * destructor.
2027          */
2028         pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2029                                      PDB_CHANGED);
2030
2031         if (!NT_STATUS_IS_OK(ret)) {
2032                 return ret;
2033         }
2034
2035         DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2036                   pdb_get_username(newpwd)));
2037         return NT_STATUS_OK;
2038 }
2039
2040 /***************************************************************************
2041  Renames a struct samu
2042  - The "rename user script" has full responsibility for changing everything
2043 ***************************************************************************/
2044
2045 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2046                                      TALLOC_CTX *tmp_ctx,
2047                                      uint32_t group_rid,
2048                                      uint32_t member_rid);
2049
2050 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2051                                                TALLOC_CTX *mem_ctx,
2052                                                struct samu *user,
2053                                                struct dom_sid **pp_sids,
2054                                                gid_t **pp_gids,
2055                                                uint32_t *p_num_groups);
2056
2057 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2058                                            struct samu *old_acct,
2059                                            const char *newname)
2060 {
2061         const char *oldname;
2062         int rc;
2063         char *rename_script = NULL;
2064         fstring oldname_lower, newname_lower;
2065
2066         if (!old_acct) {
2067                 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2068                 return NT_STATUS_INVALID_PARAMETER;
2069         }
2070         if (!newname) {
2071                 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2072                 return NT_STATUS_INVALID_PARAMETER;
2073         }
2074
2075         oldname = pdb_get_username(old_acct);
2076
2077         /* rename the posix user */
2078         rename_script = SMB_STRDUP(lp_renameuser_script());
2079         if (rename_script == NULL) {
2080                 return NT_STATUS_NO_MEMORY;
2081         }
2082
2083         if (!(*rename_script)) {
2084                 SAFE_FREE(rename_script);
2085                 return NT_STATUS_ACCESS_DENIED;
2086         }
2087
2088         DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2089                    oldname, newname));
2090
2091         /* We have to allow the account name to end with a '$'.
2092            Also, follow the semantics in _samr_create_user() and lower case the
2093            posix name but preserve the case in passdb */
2094
2095         fstrcpy( oldname_lower, oldname );
2096         strlower_m( oldname_lower );
2097         fstrcpy( newname_lower, newname );
2098         strlower_m( newname_lower );
2099         rename_script = realloc_string_sub2(rename_script,
2100                                         "%unew",
2101                                         newname_lower,
2102                                         true,
2103                                         true);
2104         if (!rename_script) {
2105                 return NT_STATUS_NO_MEMORY;
2106         }
2107         rename_script = realloc_string_sub2(rename_script,
2108                                         "%uold",
2109                                         oldname_lower,
2110                                         true,
2111                                         true);
2112         rc = smbrun(rename_script, NULL);
2113
2114         DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2115                           rename_script, rc));
2116
2117         SAFE_FREE(rename_script);
2118
2119         if (rc == 0) {
2120                 smb_nscd_flush_user_cache();
2121         }
2122
2123         if (rc)
2124                 return NT_STATUS_UNSUCCESSFUL;
2125
2126         return NT_STATUS_OK;
2127 }
2128
2129 /**********************************************************************
2130  Add struct samu to LDAP.
2131 *********************************************************************/
2132
2133 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2134 {
2135         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2136         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2137         int rc;
2138         LDAPMessage     *result = NULL;
2139         LDAPMessage     *entry  = NULL;
2140         LDAPMod         **mods = NULL;
2141         int             ldap_op = LDAP_MOD_REPLACE;
2142         uint32_t                num_result;
2143         const char      **attr_list;
2144         char *escape_user = NULL;
2145         const char      *username = pdb_get_username(newpwd);
2146         const struct dom_sid    *sid = pdb_get_user_sid(newpwd);
2147         char *filter = NULL;
2148         char *dn = NULL;
2149         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2150         TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2151
2152         if (!ctx) {
2153                 return NT_STATUS_NO_MEMORY;
2154         }
2155
2156         if (!username || !*username) {
2157                 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2158                 status = NT_STATUS_INVALID_PARAMETER;
2159                 goto fn_exit;
2160         }
2161
2162         /* free this list after the second search or in case we exit on failure */
2163         attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2164
2165         rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2166
2167         if (rc != LDAP_SUCCESS) {
2168                 goto fn_exit;
2169         }
2170
2171         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2172                 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2173                          username));
2174                 goto fn_exit;
2175         }
2176         ldap_msgfree(result);
2177         result = NULL;
2178
2179         if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2180                 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2181                                                   sid, &result);
2182                 if (rc == LDAP_SUCCESS) {
2183                         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2184                                 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2185                                          "already in the base, with samba "
2186                                          "attributes\n", sid_string_dbg(sid)));
2187                                 goto fn_exit;
2188                         }
2189                         ldap_msgfree(result);
2190                         result = NULL;
2191                 }
2192         }
2193
2194         /* does the entry already exist but without a samba attributes?
2195            we need to return the samba attributes here */
2196
2197         escape_user = escape_ldap_string(talloc_tos(), username);
2198         filter = talloc_strdup(attr_list, "(uid=%u)");
2199         if (!filter) {
2200                 status = NT_STATUS_NO_MEMORY;
2201                 goto fn_exit;
2202         }
2203         filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2204         TALLOC_FREE(escape_user);
2205         if (!filter) {
2206                 status = NT_STATUS_NO_MEMORY;
2207                 goto fn_exit;
2208         }
2209
2210         rc = smbldap_search_suffix(ldap_state->smbldap_state,
2211                                    filter, attr_list, &result);
2212         if ( rc != LDAP_SUCCESS ) {
2213                 goto fn_exit;
2214         }
2215
2216         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2217
2218         if (num_result > 1) {
2219                 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2220                 goto fn_exit;
2221         }
2222
2223         /* Check if we need to update an existing entry */
2224         if (num_result == 1) {
2225                 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2226                 ldap_op = LDAP_MOD_REPLACE;
2227                 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2228                 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2229                 if (!dn) {
2230                         status = NT_STATUS_NO_MEMORY;
2231                         goto fn_exit;
2232                 }
2233
2234         } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2235
2236                 /* There might be a SID for this account already - say an idmap entry */
2237
2238                 filter = talloc_asprintf(ctx,
2239                                 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2240                                  get_userattr_key2string(ldap_state->schema_ver,
2241                                          LDAP_ATTR_USER_SID),
2242                                  sid_string_talloc(ctx, sid),
2243                                  LDAP_OBJ_IDMAP_ENTRY,
2244                                  LDAP_OBJ_SID_ENTRY);
2245                 if (!filter) {
2246                         status = NT_STATUS_NO_MEMORY;
2247                         goto fn_exit;
2248                 }
2249
2250                 /* free old result before doing a new search */
2251                 if (result != NULL) {
2252                         ldap_msgfree(result);
2253                         result = NULL;
2254                 }
2255                 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2256                                            filter, attr_list, &result);
2257
2258                 if ( rc != LDAP_SUCCESS ) {
2259                         goto fn_exit;
2260                 }
2261
2262                 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2263
2264                 if (num_result > 1) {
2265                         DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2266                         goto fn_exit;
2267                 }
2268
2269                 /* Check if we need to update an existing entry */
2270                 if (num_result == 1) {
2271
2272                         DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2273                         ldap_op = LDAP_MOD_REPLACE;
2274                         entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2275                         dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2276                         if (!dn) {
2277                                 status = NT_STATUS_NO_MEMORY;
2278                                 goto fn_exit;
2279                         }
2280                 }
2281         }
2282
2283         if (num_result == 0) {
2284                 char *escape_username;
2285                 /* Check if we need to add an entry */
2286                 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2287                 ldap_op = LDAP_MOD_ADD;
2288
2289                 escape_username = escape_rdn_val_string_alloc(username);
2290                 if (!escape_username) {
2291                         status = NT_STATUS_NO_MEMORY;
2292                         goto fn_exit;
2293                 }
2294
2295                 if (username[strlen(username)-1] == '$') {
2296                         dn = talloc_asprintf(ctx,
2297                                         "uid=%s,%s",
2298                                         escape_username,
2299                                         lp_ldap_machine_suffix());
2300                 } else {
2301                         dn = talloc_asprintf(ctx,
2302                                         "uid=%s,%s",
2303                                         escape_username,
2304                                         lp_ldap_user_suffix());
2305                 }
2306
2307                 SAFE_FREE(escape_username);
2308                 if (!dn) {
2309                         status = NT_STATUS_NO_MEMORY;
2310                         goto fn_exit;
2311                 }
2312         }
2313
2314         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2315                                 pdb_element_is_set_or_changed)) {
2316                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2317                 if (mods != NULL) {
2318                         ldap_mods_free(mods, true);
2319                 }
2320                 goto fn_exit;
2321         }
2322
2323         if (mods == NULL) {
2324                 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2325                 goto fn_exit;
2326         }
2327         switch ( ldap_state->schema_ver ) {
2328                 case SCHEMAVER_SAMBAACCOUNT:
2329                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2330                         break;
2331                 case SCHEMAVER_SAMBASAMACCOUNT:
2332                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2333                         break;
2334                 default:
2335                         DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2336                         break;
2337         }
2338
2339         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2340         if (!NT_STATUS_IS_OK(ret)) {
2341                 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2342                          pdb_get_username(newpwd),dn));
2343                 ldap_mods_free(mods, true);
2344                 goto fn_exit;
2345         }
2346
2347         DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2348         ldap_mods_free(mods, true);
2349
2350         status = NT_STATUS_OK;
2351
2352   fn_exit:
2353
2354         TALLOC_FREE(ctx);
2355         if (result) {
2356                 ldap_msgfree(result);
2357         }
2358         return status;
2359 }
2360
2361 /**********************************************************************
2362  *********************************************************************/
2363
2364 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2365                                      const char *filter,
2366                                      LDAPMessage ** result)
2367 {
2368         int scope = LDAP_SCOPE_SUBTREE;
2369         int rc;
2370         const char **attr_list;
2371
2372         attr_list = get_attr_list(NULL, groupmap_attr_list);
2373         rc = smbldap_search(ldap_state->smbldap_state,
2374                             lp_ldap_suffix (), scope,
2375                             filter, attr_list, 0, result);
2376         TALLOC_FREE(attr_list);
2377
2378         return rc;
2379 }
2380
2381 /**********************************************************************
2382  *********************************************************************/
2383
2384 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2385                                  GROUP_MAP *map, LDAPMessage *entry)
2386 {
2387         char *temp = NULL;
2388         TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2389
2390         if (ldap_state == NULL || map == NULL || entry == NULL ||
2391                         ldap_state->smbldap_state->ldap_struct == NULL) {
2392                 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2393                 TALLOC_FREE(ctx);
2394                 return false;
2395         }
2396
2397         temp = smbldap_talloc_single_attribute(
2398                         ldap_state->smbldap_state->ldap_struct,
2399                         entry,
2400                         get_attr_key2string(groupmap_attr_list,
2401                                 LDAP_ATTR_GIDNUMBER),
2402                         ctx);
2403         if (!temp) {
2404                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2405                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2406                 TALLOC_FREE(ctx);
2407                 return false;
2408         }
2409         DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2410
2411         map->gid = (gid_t)atol(temp);
2412
2413         TALLOC_FREE(temp);
2414         temp = smbldap_talloc_single_attribute(
2415                         ldap_state->smbldap_state->ldap_struct,
2416                         entry,
2417                         get_attr_key2string(groupmap_attr_list,
2418                                 LDAP_ATTR_GROUP_SID),
2419                         ctx);
2420         if (!temp) {
2421                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2422                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2423                 TALLOC_FREE(ctx);
2424                 return false;
2425         }
2426
2427         if (!string_to_sid(&map->sid, temp)) {
2428                 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2429                 TALLOC_FREE(ctx);
2430                 return false;
2431         }
2432
2433         TALLOC_FREE(temp);
2434         temp = smbldap_talloc_single_attribute(
2435                         ldap_state->smbldap_state->ldap_struct,
2436                         entry,
2437                         get_attr_key2string(groupmap_attr_list,
2438                                 LDAP_ATTR_GROUP_TYPE),
2439                         ctx);
2440         if (!temp) {
2441                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2442                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2443                 TALLOC_FREE(ctx);
2444                 return false;
2445         }
2446         map->sid_name_use = (enum lsa_SidType)atol(temp);
2447
2448         if ((map->sid_name_use < SID_NAME_USER) ||
2449                         (map->sid_name_use > SID_NAME_UNKNOWN)) {
2450                 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2451                 TALLOC_FREE(ctx);
2452                 return false;
2453         }
2454
2455         TALLOC_FREE(temp);
2456         temp = smbldap_talloc_single_attribute(
2457                         ldap_state->smbldap_state->ldap_struct,
2458                         entry,
2459                         get_attr_key2string(groupmap_attr_list,
2460                                 LDAP_ATTR_DISPLAY_NAME),
2461                         ctx);
2462         if (!temp) {
2463                 temp = smbldap_talloc_single_attribute(
2464                                 ldap_state->smbldap_state->ldap_struct,
2465                                 entry,
2466                                 get_attr_key2string(groupmap_attr_list,
2467                                         LDAP_ATTR_CN),
2468                                 ctx);
2469                 if (!temp) {
2470                         DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2471 for gidNumber(%lu)\n",(unsigned long)map->gid));
2472                         TALLOC_FREE(ctx);
2473                         return false;
2474                 }
2475         }
2476         map->nt_name = talloc_strdup(map, temp);
2477         if (!map->nt_name) {
2478                 TALLOC_FREE(ctx);
2479                 return false;
2480         }
2481
2482         TALLOC_FREE(temp);
2483         temp = smbldap_talloc_single_attribute(
2484                         ldap_state->smbldap_state->ldap_struct,
2485                         entry,
2486                         get_attr_key2string(groupmap_attr_list,
2487                                 LDAP_ATTR_DESC),
2488                         ctx);
2489         if (!temp) {
2490                 temp = talloc_strdup(ctx, "");
2491                 if (!temp) {
2492                         TALLOC_FREE(ctx);
2493                         return false;
2494                 }
2495         }
2496         map->comment = talloc_strdup(map, temp);
2497         if (!map->comment) {
2498                 TALLOC_FREE(ctx);
2499                 return false;
2500         }
2501
2502         if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2503                 store_gid_sid_cache(&map->sid, map->gid);
2504                 idmap_cache_set_sid2gid(&map->sid, map->gid);
2505         }
2506
2507         TALLOC_FREE(ctx);
2508         return true;
2509 }
2510
2511 /**********************************************************************
2512  *********************************************************************/
2513
2514 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2515                                  const char *filter,
2516                                  GROUP_MAP *map)
2517 {
2518         struct ldapsam_privates *ldap_state =
2519                 (struct ldapsam_privates *)methods->private_data;
2520         LDAPMessage *result = NULL;
2521         LDAPMessage *entry = NULL;
2522         int count;
2523
2524         if (ldapsam_search_one_group(ldap_state, filter, &result)
2525             != LDAP_SUCCESS) {
2526                 return NT_STATUS_NO_SUCH_GROUP;
2527         }
2528
2529         count = ldap_count_entries(priv2ld(ldap_state), result);
2530
2531         if (count < 1) {
2532                 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2533                           "%s\n", filter));
2534                 ldap_msgfree(result);
2535                 return NT_STATUS_NO_SUCH_GROUP;
2536         }
2537
2538         if (count > 1) {
2539                 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2540                           "count=%d\n", filter, count));
2541                 ldap_msgfree(result);
2542                 return NT_STATUS_NO_SUCH_GROUP;
2543         }
2544
2545         entry = ldap_first_entry(priv2ld(ldap_state), result);
2546
2547         if (!entry) {
2548                 ldap_msgfree(result);
2549                 return NT_STATUS_UNSUCCESSFUL;
2550         }
2551
2552         if (!init_group_from_ldap(ldap_state, map, entry)) {
2553                 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2554                           "group filter %s\n", filter));
2555                 ldap_msgfree(result);
2556                 return NT_STATUS_NO_SUCH_GROUP;
2557         }
2558
2559         ldap_msgfree(result);
2560         return NT_STATUS_OK;
2561 }
2562
2563 /**********************************************************************
2564  *********************************************************************/
2565
2566 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2567                                  struct dom_sid sid)
2568 {
2569         char *filter = NULL;
2570         NTSTATUS status;
2571         fstring tmp;
2572
2573         if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2574                 LDAP_OBJ_GROUPMAP,
2575                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2576                 sid_to_fstring(tmp, &sid)) < 0) {
2577                 return NT_STATUS_NO_MEMORY;
2578         }
2579
2580         status = ldapsam_getgroup(methods, filter, map);
2581         SAFE_FREE(filter);
2582         return status;
2583 }
2584
2585 /**********************************************************************
2586  *********************************************************************/
2587
2588 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2589                                  gid_t gid)
2590 {
2591         char *filter = NULL;
2592         NTSTATUS status;
2593
2594         if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2595                 LDAP_OBJ_GROUPMAP,
2596                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2597                 (unsigned long)gid) < 0) {
2598                 return NT_STATUS_NO_MEMORY;
2599         }
2600
2601         status = ldapsam_getgroup(methods, filter, map);
2602         SAFE_FREE(filter);
2603         return status;
2604 }
2605
2606 /**********************************************************************
2607  *********************************************************************/
2608
2609 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2610                                  const char *name)
2611 {
2612         char *filter = NULL;
2613         char *escape_name = escape_ldap_string(talloc_tos(), name);
2614         NTSTATUS status;
2615
2616         if (!escape_name) {
2617                 return NT_STATUS_NO_MEMORY;
2618         }
2619
2620         if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2621                 LDAP_OBJ_GROUPMAP,
2622                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2623                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2624                 escape_name) < 0) {
2625                 TALLOC_FREE(escape_name);
2626                 return NT_STATUS_NO_MEMORY;
2627         }
2628
2629         TALLOC_FREE(escape_name);
2630         status = ldapsam_getgroup(methods, filter, map);
2631         SAFE_FREE(filter);
2632         return status;
2633 }
2634
2635 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2636                                            LDAPMessage *entry,
2637                                            const struct dom_sid *domain_sid,
2638                                            uint32_t *rid)
2639 {
2640         fstring str;
2641         struct dom_sid sid;
2642
2643         if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2644                                           str, sizeof(str)-1)) {
2645                 DEBUG(10, ("Could not find sambaSID attribute\n"));
2646                 return False;
2647         }
2648
2649         if (!string_to_sid(&sid, str)) {
2650                 DEBUG(10, ("Could not convert string %s to sid\n", str));
2651                 return False;
2652         }
2653
2654         if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2655                 DEBUG(10, ("SID %s is not in expected domain %s\n",
2656                            str, sid_string_dbg(domain_sid)));
2657                 return False;
2658         }
2659
2660         if (!sid_peek_rid(&sid, rid)) {
2661                 DEBUG(10, ("Could not peek into RID\n"));
2662                 return False;
2663         }
2664
2665         return True;
2666 }
2667
2668 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2669                                            TALLOC_CTX *mem_ctx,
2670                                            const struct dom_sid *group,
2671                                            uint32_t **pp_member_rids,
2672                                            size_t *p_num_members)
2673 {
2674         struct ldapsam_privates *ldap_state =
2675                 (struct ldapsam_privates *)methods->private_data;
2676         struct smbldap_state *conn = ldap_state->smbldap_state;
2677         const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2678         const char *sid_attrs[] = { "sambaSID", NULL };
2679         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2680         LDAPMessage *result = NULL;
2681         LDAPMessage *entry;
2682         char *filter;
2683         char **values = NULL;
2684         char **memberuid;
2685         char *gidstr;
2686         int rc, count;
2687
2688         *pp_member_rids = NULL;
2689         *p_num_members = 0;
2690
2691         filter = talloc_asprintf(mem_ctx,
2692                                  "(&(objectClass=%s)"
2693                                  "(objectClass=%s)"
2694                                  "(sambaSID=%s))",
2695                                  LDAP_OBJ_POSIXGROUP,
2696                                  LDAP_OBJ_GROUPMAP,
2697                                  sid_string_talloc(mem_ctx, group));
2698         if (filter == NULL) {
2699                 ret = NT_STATUS_NO_MEMORY;
2700                 goto done;
2701         }
2702
2703         rc = smbldap_search(conn, lp_ldap_suffix(),
2704                             LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2705                             &result);
2706
2707         if (rc != LDAP_SUCCESS)
2708                 goto done;
2709
2710         talloc_autofree_ldapmsg(mem_ctx, result);
2711
2712         count = ldap_count_entries(conn->ldap_struct, result);
2713
2714         if (count > 1) {
2715                 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2716                           sid_string_dbg(group)));
2717                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2718                 goto done;
2719         }
2720
2721         if (count == 0) {
2722                 ret = NT_STATUS_NO_SUCH_GROUP;
2723                 goto done;
2724         }
2725
2726         entry = ldap_first_entry(conn->ldap_struct, result);
2727         if (entry == NULL)
2728                 goto done;
2729
2730         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2731         if (!gidstr) {
2732                 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2733                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2734                 goto done;
2735         }
2736
2737         values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2738
2739         if ((values != NULL) && (values[0] != NULL)) {
2740
2741                 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2742                 if (filter == NULL) {
2743                         ret = NT_STATUS_NO_MEMORY;
2744                         goto done;
2745                 }
2746
2747                 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2748                         char *escape_memberuid;
2749
2750                         escape_memberuid = escape_ldap_string(talloc_tos(),
2751                                                               *memberuid);
2752                         if (escape_memberuid == NULL) {
2753                                 ret = NT_STATUS_NO_MEMORY;
2754                                 goto done;
2755                         }
2756
2757                         filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2758                         TALLOC_FREE(escape_memberuid);
2759                         if (filter == NULL) {
2760                                 ret = NT_STATUS_NO_MEMORY;
2761                                 goto done;
2762                         }
2763                 }
2764
2765                 filter = talloc_asprintf_append_buffer(filter, "))");
2766                 if (filter == NULL) {
2767                         ret = NT_STATUS_NO_MEMORY;
2768                         goto done;
2769                 }
2770
2771                 rc = smbldap_search(conn, lp_ldap_suffix(),
2772                                     LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2773                                     &result);
2774
2775                 if (rc != LDAP_SUCCESS)
2776                         goto done;
2777
2778                 count = ldap_count_entries(conn->ldap_struct, result);
2779                 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2780
2781                 talloc_autofree_ldapmsg(mem_ctx, result);
2782
2783                 for (entry = ldap_first_entry(conn->ldap_struct, result);
2784                      entry != NULL;
2785                      entry = ldap_next_entry(conn->ldap_struct, entry))
2786                 {
2787                         char *sidstr;
2788                         struct dom_sid sid;
2789                         uint32_t rid;
2790
2791                         sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2792                                                                  entry, "sambaSID",
2793                                                                  mem_ctx);
2794                         if (!sidstr) {
2795                                 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2796                                           "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2797                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2798                                 goto done;
2799                         }
2800
2801                         if (!string_to_sid(&sid, sidstr))
2802                                 goto done;
2803
2804                         if (!sid_check_is_in_our_domain(&sid)) {
2805                                 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2806                                           "in our domain\n"));
2807                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2808                                 goto done;
2809                         }
2810
2811                         sid_peek_rid(&sid, &rid);
2812
2813                         if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2814                                                 p_num_members)) {
2815                                 ret = NT_STATUS_NO_MEMORY;
2816                                 goto done;
2817                         }
2818                 }
2819         }
2820
2821         filter = talloc_asprintf(mem_ctx,
2822                                  "(&(objectClass=%s)"
2823                                  "(gidNumber=%s))",
2824                                  LDAP_OBJ_SAMBASAMACCOUNT,
2825                                  gidstr);
2826
2827         rc = smbldap_search(conn, lp_ldap_suffix(),
2828                             LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2829                             &result);
2830
2831         if (rc != LDAP_SUCCESS)
2832                 goto done;
2833
2834         talloc_autofree_ldapmsg(mem_ctx, result);
2835
2836         for (entry = ldap_first_entry(conn->ldap_struct, result);
2837              entry != NULL;
2838              entry = ldap_next_entry(conn->ldap_struct, entry))
2839         {
2840                 uint32_t rid;
2841
2842                 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2843                                                     entry,
2844                                                     get_global_sam_sid(),
2845                                                     &rid)) {
2846                         DEBUG(0, ("Severe DB error, %s can't miss the samba SID"                                                                "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2847                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2848                         goto done;
2849                 }
2850
2851                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2852                                         p_num_members)) {
2853                         ret = NT_STATUS_NO_MEMORY;
2854                         goto done;
2855                 }
2856         }
2857
2858         ret = NT_STATUS_OK;
2859
2860  done:
2861
2862         if (values)
2863                 ldap_value_free(values);
2864
2865         return ret;
2866 }
2867
2868 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2869                                                TALLOC_CTX *mem_ctx,
2870                                                struct samu *user,
2871                                                struct dom_sid **pp_sids,
2872                                                gid_t **pp_gids,
2873                                                uint32_t *p_num_groups)
2874 {
2875         struct ldapsam_privates *ldap_state =
2876                 (struct ldapsam_privates *)methods->private_data;
2877         struct smbldap_state *conn = ldap_state->smbldap_state;
2878         char *filter;
2879         const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2880         char *escape_name;
2881         int rc, count;
2882         LDAPMessage *result = NULL;
2883         LDAPMessage *entry;
2884         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2885         uint32_t num_sids;
2886         uint32_t num_gids;
2887         char *gidstr;
2888         gid_t primary_gid = -1;
2889
2890         *pp_sids = NULL;
2891         num_sids = 0;
2892
2893         if (pdb_get_username(user) == NULL) {
2894                 return NT_STATUS_INVALID_PARAMETER;
2895         }
2896
2897         escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2898         if (escape_name == NULL)
2899                 return NT_STATUS_NO_MEMORY;
2900
2901         if (user->unix_pw) {
2902                 primary_gid = user->unix_pw->pw_gid;
2903         } else {
2904                 /* retrieve the users primary gid */
2905                 filter = talloc_asprintf(mem_ctx,
2906                                          "(&(objectClass=%s)(uid=%s))",
2907                                          LDAP_OBJ_SAMBASAMACCOUNT,
2908                                          escape_name);
2909                 if (filter == NULL) {
2910                         ret = NT_STATUS_NO_MEMORY;
2911                         goto done;
2912                 }
2913
2914                 rc = smbldap_search(conn, lp_ldap_suffix(),
2915                                     LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2916
2917                 if (rc != LDAP_SUCCESS)
2918                         goto done;
2919
2920                 talloc_autofree_ldapmsg(mem_ctx, result);
2921
2922                 count = ldap_count_entries(priv2ld(ldap_state), result);
2923
2924                 switch (count) {
2925                 case 0:
2926                         DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2927                         ret = NT_STATUS_NO_SUCH_USER;
2928                         goto done;
2929                 case 1:
2930                         entry = ldap_first_entry(priv2ld(ldap_state), result);
2931
2932                         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2933                         if (!gidstr) {
2934                                 DEBUG (1, ("Unable to find the member's gid!\n"));
2935                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2936                                 goto done;
2937                         }
2938                         primary_gid = strtoul(gidstr, NULL, 10);
2939                         break;
2940                 default:
2941                         DEBUG(1, ("found more than one account with the same user name ?!\n"));
2942                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2943                         goto done;
2944                 }
2945         }
2946
2947         filter = talloc_asprintf(mem_ctx,
2948                                  "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2949                                  LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2950         if (filter == NULL) {
2951                 ret = NT_STATUS_NO_MEMORY;
2952                 goto done;
2953         }
2954
2955         rc = smbldap_search(conn, lp_ldap_suffix(),
2956                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2957
2958         if (rc != LDAP_SUCCESS)
2959                 goto done;
2960
2961         talloc_autofree_ldapmsg(mem_ctx, result);
2962
2963         num_gids = 0;
2964         *pp_gids = NULL;
2965
2966         num_sids = 0;
2967         *pp_sids = NULL;
2968
2969         /* We need to add the primary group as the first gid/sid */
2970
2971         if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2972                 ret = NT_STATUS_NO_MEMORY;
2973                 goto done;
2974         }
2975
2976         /* This sid will be replaced later */
2977
2978         ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2979                                       &num_sids);
2980         if (!NT_STATUS_IS_OK(ret)) {
2981                 goto done;
2982         }
2983
2984         for (entry = ldap_first_entry(conn->ldap_struct, result);
2985              entry != NULL;
2986              entry = ldap_next_entry(conn->ldap_struct, entry))
2987         {
2988                 fstring str;
2989                 struct dom_sid sid;
2990                 gid_t gid;
2991                 char *end;
2992
2993                 if (!smbldap_get_single_attribute(conn->ldap_struct,
2994                                                   entry, "sambaSID",
2995                                                   str, sizeof(str)-1))
2996                         continue;
2997
2998                 if (!string_to_sid(&sid, str))
2999                         goto done;
3000
3001                 if (!smbldap_get_single_attribute(conn->ldap_struct,
3002                                                   entry, "gidNumber",
3003                                                   str, sizeof(str)-1))
3004                         continue;
3005
3006                 gid = strtoul(str, &end, 10);
3007
3008                 if (PTR_DIFF(end, str) != strlen(str))
3009                         goto done;
3010
3011                 if (gid == primary_gid) {
3012                         sid_copy(&(*pp_sids)[0], &sid);
3013                 } else {
3014                         if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3015                                                 &num_gids)) {
3016                                 ret = NT_STATUS_NO_MEMORY;
3017                                 goto done;
3018                         }
3019                         ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3020                                                       &num_sids);
3021                         if (!NT_STATUS_IS_OK(ret)) {
3022                                 goto done;
3023                         }
3024                 }
3025         }
3026
3027         if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3028                 DEBUG(3, ("primary group of [%s] not found\n",
3029                           pdb_get_username(user)));
3030                 goto done;
3031         }
3032
3033         *p_num_groups = num_sids;
3034
3035         ret = NT_STATUS_OK;
3036
3037  done:
3038
3039         TALLOC_FREE(escape_name);
3040         return ret;
3041 }
3042
3043 /**********************************************************************
3044  * Augment a posixGroup object with a sambaGroupMapping domgroup
3045  *********************************************************************/
3046
3047 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3048                                        struct ldapsam_privates *ldap_state,
3049                                        GROUP_MAP *map)
3050 {
3051         const char *filter, *dn;
3052         LDAPMessage *msg, *entry;
3053         LDAPMod **mods;
3054         int rc;
3055
3056         filter = talloc_asprintf(mem_ctx,
3057                                  "(&(objectClass=%s)(gidNumber=%u))",
3058                                  LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3059         if (filter == NULL) {
3060                 return NT_STATUS_NO_MEMORY;
3061         }
3062
3063         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3064                                    get_attr_list(mem_ctx, groupmap_attr_list),
3065                                    &msg);
3066         talloc_autofree_ldapmsg(mem_ctx, msg);
3067
3068         if ((rc != LDAP_SUCCESS) ||
3069             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3070             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3071                 return NT_STATUS_NO_SUCH_GROUP;
3072         }
3073
3074         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3075         if (dn == NULL) {
3076                 return NT_STATUS_NO_MEMORY;
3077         }
3078
3079         mods = NULL;
3080         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3081                         LDAP_OBJ_GROUPMAP);
3082         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3083                          sid_string_talloc(mem_ctx, &map->sid));
3084         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3085                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3086         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3087                          map->nt_name);
3088         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3089                          map->comment);
3090         talloc_autofree_ldapmod(mem_ctx, mods);
3091
3092         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3093         if (rc != LDAP_SUCCESS) {
3094                 return NT_STATUS_ACCESS_DENIED;
3095         }
3096
3097         return NT_STATUS_OK;
3098 }
3099
3100 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3101                                                 GROUP_MAP *map)
3102 {
3103         struct ldapsam_privates *ldap_state =
3104                 (struct ldapsam_privates *)methods->private_data;
3105         LDAPMessage *msg = NULL;
3106         LDAPMod **mods = NULL;
3107         const char *attrs[] = { NULL };
3108         char *filter;
3109
3110         char *dn;
3111         TALLOC_CTX *mem_ctx;
3112         NTSTATUS result;
3113
3114         struct dom_sid sid;
3115
3116         int rc;
3117
3118         mem_ctx = talloc_new(NULL);
3119         if (mem_ctx == NULL) {
3120                 DEBUG(0, ("talloc_new failed\n"));
3121                 return NT_STATUS_NO_MEMORY;
3122         }
3123
3124         filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3125                                  sid_string_talloc(mem_ctx, &map->sid));
3126         if (filter == NULL) {
3127                 result = NT_STATUS_NO_MEMORY;
3128                 goto done;
3129         }
3130
3131         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3132                             LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3133         talloc_autofree_ldapmsg(mem_ctx, msg);
3134
3135         if ((rc == LDAP_SUCCESS) &&
3136             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3137
3138                 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3139                           "group mapping entry\n", sid_string_dbg(&map->sid)));
3140                 result = NT_STATUS_GROUP_EXISTS;
3141                 goto done;
3142         }
3143
3144         switch (map->sid_name_use) {
3145
3146         case SID_NAME_DOM_GRP:
3147                 /* To map a domain group we need to have a posix group
3148                    to attach to. */
3149                 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3150                 goto done;
3151                 break;
3152
3153         case SID_NAME_ALIAS:
3154                 if (!sid_check_is_in_our_domain(&map->sid)
3155                         && !sid_check_is_in_builtin(&map->sid) )
3156                 {
3157                         DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3158                                   sid_string_dbg(&map->sid)));
3159                         result = NT_STATUS_INVALID_PARAMETER;
3160                         goto done;
3161                 }
3162                 break;
3163
3164         default:
3165                 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3166                           sid_type_lookup(map->sid_name_use)));
3167                 result = NT_STATUS_INVALID_PARAMETER;
3168                 goto done;
3169         }
3170
3171         /* Domain groups have been mapped in a separate routine, we have to
3172          * create an alias now */
3173
3174         if (map->gid == -1) {
3175                 DEBUG(10, ("Refusing to map gid==-1\n"));
3176                 result = NT_STATUS_INVALID_PARAMETER;
3177                 goto done;
3178         }
3179
3180         if (pdb_gid_to_sid(map->gid, &sid)) {
3181                 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3182                           "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3183                 result = NT_STATUS_GROUP_EXISTS;
3184                 goto done;
3185         }
3186
3187         /* Ok, enough checks done. It's still racy to go ahead now, but that's
3188          * the best we can get out of LDAP. */
3189
3190         dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3191                              sid_string_talloc(mem_ctx, &map->sid),
3192                              lp_ldap_group_suffix());
3193         if (dn == NULL) {
3194                 result = NT_STATUS_NO_MEMORY;
3195                 goto done;
3196         }
3197
3198         mods = NULL;
3199
3200         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3201                          LDAP_OBJ_SID_ENTRY);
3202         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3203                          LDAP_OBJ_GROUPMAP);
3204         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3205                          sid_string_talloc(mem_ctx, &map->sid));
3206         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3207                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3208         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3209                          map->nt_name);
3210         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3211                          map->comment);
3212         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3213                          talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3214         talloc_autofree_ldapmod(mem_ctx, mods);
3215
3216         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3217
3218         result = (rc == LDAP_SUCCESS) ?
3219                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3220
3221  done:
3222         TALLOC_FREE(mem_ctx);
3223         return result;
3224 }
3225
3226 /**********************************************************************
3227  * Update a group mapping entry. We're quite strict about what can be changed:
3228  * Only the description and displayname may be changed. It simply does not
3229  * make any sense to change the SID, gid or the type in a mapping.
3230  *********************************************************************/
3231
3232 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3233                                                    GROUP_MAP *map)
3234 {
3235         struct ldapsam_privates *ldap_state =
3236                 (struct ldapsam_privates *)methods->private_data;
3237         int rc;
3238         const char *filter, *dn;
3239         LDAPMessage *msg = NULL;
3240         LDAPMessage *entry = NULL;
3241         LDAPMod **mods = NULL;
3242         TALLOC_CTX *mem_ctx;
3243         NTSTATUS result;
3244
3245         mem_ctx = talloc_new(NULL);
3246         if (mem_ctx == NULL) {
3247                 DEBUG(0, ("talloc_new failed\n"));
3248                 return NT_STATUS_NO_MEMORY;
3249         }
3250
3251         /* Make 100% sure that sid, gid and type are not changed by looking up
3252          * exactly the values we're given in LDAP. */
3253
3254         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3255                                  "(sambaSid=%s)(gidNumber=%u)"
3256                                  "(sambaGroupType=%d))",
3257                                  LDAP_OBJ_GROUPMAP,
3258                                  sid_string_talloc(mem_ctx, &map->sid),
3259                                  (unsigned int)map->gid, map->sid_name_use);
3260         if (filter == NULL) {
3261                 result = NT_STATUS_NO_MEMORY;
3262                 goto done;
3263         }
3264
3265         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3266                                    get_attr_list(mem_ctx, groupmap_attr_list),
3267                                    &msg);
3268         talloc_autofree_ldapmsg(mem_ctx, msg);
3269
3270         if ((rc != LDAP_SUCCESS) ||
3271             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3272             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3273                 result = NT_STATUS_NO_SUCH_GROUP;
3274                 goto done;
3275         }
3276
3277         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3278
3279         if (dn == NULL) {
3280                 result = NT_STATUS_NO_MEMORY;
3281                 goto done;
3282         }
3283
3284         mods = NULL;
3285         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3286                          map->nt_name);
3287         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3288                          map->comment);
3289         talloc_autofree_ldapmod(mem_ctx, mods);
3290
3291         if (mods == NULL) {
3292                 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3293                           "nothing to do\n"));
3294                 result = NT_STATUS_OK;
3295                 goto done;
3296         }
3297
3298         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3299
3300         if (rc != LDAP_SUCCESS) {
3301                 result = NT_STATUS_ACCESS_DENIED;
3302                 goto done;
3303         }
3304
3305         DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3306                   "group %lu in LDAP\n", (unsigned long)map->gid));
3307
3308         result = NT_STATUS_OK;
3309
3310  done:
3311         TALLOC_FREE(mem_ctx);
3312         return result;
3313 }
3314
3315 /**********************************************************************
3316  *********************************************************************/
3317
3318 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3319                                                    struct dom_sid sid)
3320 {
3321         struct ldapsam_privates *priv =
3322                 (struct ldapsam_privates *)methods->private_data;
3323         LDAPMessage *msg, *entry;
3324         int rc;
3325         NTSTATUS result;
3326         TALLOC_CTX *mem_ctx;
3327         char *filter;
3328
3329         mem_ctx = talloc_new(NULL);
3330         if (mem_ctx == NULL) {
3331                 DEBUG(0, ("talloc_new failed\n"));
3332                 return NT_STATUS_NO_MEMORY;
3333         }
3334
3335         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3336                                  LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3337                                  sid_string_talloc(mem_ctx, &sid));
3338         if (filter == NULL) {
3339                 result = NT_STATUS_NO_MEMORY;
3340                 goto done;
3341         }
3342         rc = smbldap_search_suffix(priv->smbldap_state, filter,
3343                                    get_attr_list(mem_ctx, groupmap_attr_list),
3344                                    &msg);
3345         talloc_autofree_ldapmsg(mem_ctx, msg);
3346
3347         if ((rc != LDAP_SUCCESS) ||
3348             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3349             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3350                 result = NT_STATUS_NO_SUCH_GROUP;
3351                 goto done;
3352         }
3353
3354         rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3355                                   get_attr_list(mem_ctx,
3356                                                 groupmap_attr_list_to_delete));
3357
3358         if ((rc == LDAP_NAMING_VIOLATION) ||
3359             (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3360             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3361                 const char *attrs[] = { "sambaGroupType", "description",
3362                                         "displayName", "sambaSIDList",
3363                                         NULL };
3364
3365                 /* Second try. Don't delete the sambaSID attribute, this is
3366                    for "old" entries that are tacked on a winbind
3367                    sambaIdmapEntry. */
3368
3369                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3370                                           LDAP_OBJ_GROUPMAP, attrs);
3371         }
3372
3373         if ((rc == LDAP_NAMING_VIOLATION) ||
3374             (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3375             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3376                 const char *attrs[] = { "sambaGroupType", "description",
3377                                         "displayName", "sambaSIDList",
3378                                         "gidNumber", NULL };
3379
3380                 /* Third try. This is a post-3.0.21 alias (containing only
3381                  * sambaSidEntry and sambaGroupMapping classes), we also have
3382                  * to delete the gidNumber attribute, only the sambaSidEntry
3383                  * remains */
3384
3385                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3386                                           LDAP_OBJ_GROUPMAP, attrs);
3387         }
3388
3389         result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3390
3391  done:
3392         TALLOC_FREE(mem_ctx);
3393         return result;
3394  }
3395
3396 /**********************************************************************
3397  *********************************************************************/
3398
3399 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3400                                     bool update)
3401 {
3402         struct ldapsam_privates *ldap_state =
3403                 (struct ldapsam_privates *)my_methods->private_data;
3404         char *filter = NULL;
3405         int rc;
3406         const char **attr_list;
3407
3408         filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3409         if (!filter) {
3410                 return NT_STATUS_NO_MEMORY;
3411         }
3412         attr_list = get_attr_list( NULL, groupmap_attr_list );
3413         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3414                             LDAP_SCOPE_SUBTREE, filter,
3415                             attr_list, 0, &ldap_state->result);
3416         TALLOC_FREE(attr_list);
3417
3418         if (rc != LDAP_SUCCESS) {
3419                 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3420                           ldap_err2string(rc)));
3421                 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3422                           lp_ldap_suffix(), filter));
3423                 ldap_msgfree(ldap_state->result);
3424                 ldap_state->result = NULL;
3425                 TALLOC_FREE(filter);
3426                 return NT_STATUS_UNSUCCESSFUL;
3427         }
3428
3429         TALLOC_FREE(filter);
3430
3431         DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3432                   ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3433                                      ldap_state->result)));
3434
3435         ldap_state->entry =
3436                 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3437                                  ldap_state->result);
3438         ldap_state->index = 0;
3439
3440         return NT_STATUS_OK;
3441 }
3442
3443 /**********************************************************************
3444  *********************************************************************/
3445
3446 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3447 {
3448         ldapsam_endsampwent(my_methods);
3449 }
3450
3451 /**********************************************************************
3452  *********************************************************************/
3453
3454 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3455                                     GROUP_MAP *map)
3456 {
3457         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3458         struct ldapsam_privates *ldap_state =
3459                 (struct ldapsam_privates *)my_methods->private_data;
3460         bool bret = False;
3461
3462         while (!bret) {
3463                 if (!ldap_state->entry)
3464                         return ret;
3465
3466                 ldap_state->index++;
3467                 bret = init_group_from_ldap(ldap_state, map,
3468                                             ldap_state->entry);
3469
3470                 ldap_state->entry =
3471                         ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3472                                         ldap_state->entry);
3473         }
3474
3475         return NT_STATUS_OK;
3476 }
3477
3478 /**********************************************************************
3479  *********************************************************************/
3480
3481 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3482                                            const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3483                                            GROUP_MAP ***pp_rmap,
3484                                            size_t *p_num_entries,
3485                                            bool unix_only)
3486 {
3487         GROUP_MAP *map = NULL;
3488         size_t entries = 0;
3489
3490         *p_num_entries = 0;
3491         *pp_rmap = NULL;
3492
3493         if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3494                 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3495                           "passdb\n"));
3496                 return NT_STATUS_ACCESS_DENIED;
3497         }
3498
3499         while (true) {
3500
3501                 map = talloc_zero(NULL, GROUP_MAP);
3502                 if (!map) {
3503                         return NT_STATUS_NO_MEMORY;
3504                 }
3505
3506                 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3507                         TALLOC_FREE(map);
3508                         break;
3509                 }
3510
3511                 if (sid_name_use != SID_NAME_UNKNOWN &&
3512                     sid_name_use != map->sid_name_use) {
3513                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3514                                   "not of the requested type\n",
3515                                   map->nt_name));
3516                         continue;
3517                 }
3518                 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3519                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3520                                   "non mapped\n", map->nt_name));
3521                         continue;
3522                 }
3523
3524                 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3525                                                 GROUP_MAP *, entries + 1);
3526                 if (!(*pp_rmap)) {
3527                         DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3528                                  "enlarge group map!\n"));
3529                         return NT_STATUS_UNSUCCESSFUL;
3530                 }
3531
3532                 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3533
3534                 entries += 1;
3535         }
3536
3537         ldapsam_endsamgrent(methods);
3538
3539         *p_num_entries = entries;
3540
3541         return NT_STATUS_OK;
3542 }
3543
3544 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3545                                         const struct dom_sid *alias,
3546                                         const struct dom_sid *member,
3547                                         int modop)
3548 {
3549         struct ldapsam_privates *ldap_state =
3550                 (struct ldapsam_privates *)methods->private_data;
3551         char *dn = NULL;
3552         LDAPMessage *result = NULL;
3553         LDAPMessage *entry = NULL;
3554         int count;
3555         LDAPMod **mods = NULL;
3556         int rc;
3557         enum lsa_SidType type = SID_NAME_USE_NONE;
3558         fstring tmp;
3559
3560         char *filter = NULL;
3561
3562         if (sid_check_is_in_builtin(alias)) {
3563                 type = SID_NAME_ALIAS;
3564         }
3565
3566         if (sid_check_is_in_our_domain(alias)) {
3567                 type = SID_NAME_ALIAS;
3568         }
3569
3570         if (type == SID_NAME_USE_NONE) {
3571                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3572                           sid_string_dbg(alias)));
3573                 return NT_STATUS_NO_SUCH_ALIAS;
3574         }
3575
3576         if (asprintf(&filter,
3577                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3578                      LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3579                      type) < 0) {
3580                 return NT_STATUS_NO_MEMORY;
3581         }
3582
3583         if (ldapsam_search_one_group(ldap_state, filter,
3584                                      &result) != LDAP_SUCCESS) {
3585                 SAFE_FREE(filter);
3586                 return NT_STATUS_NO_SUCH_ALIAS;
3587         }
3588
3589         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3590                                    result);
3591
3592         if (count < 1) {
3593                 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3594                 ldap_msgfree(result);
3595                 SAFE_FREE(filter);
3596                 return NT_STATUS_NO_SUCH_ALIAS;
3597         }
3598
3599         if (count > 1) {
3600                 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3601                           "filter %s: count=%d\n", filter, count));
3602                 ldap_msgfree(result);
3603                 SAFE_FREE(filter);
3604                 return NT_STATUS_NO_SUCH_ALIAS;
3605         }
3606
3607         SAFE_FREE(filter);
3608
3609         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3610                                  result);
3611
3612         if (!entry) {
3613                 ldap_msgfree(result);
3614                 return NT_STATUS_UNSUCCESSFUL;
3615         }
3616
3617         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3618         if (!dn) {
3619                 ldap_msgfree(result);
3620                 return NT_STATUS_UNSUCCESSFUL;
3621         }
3622
3623         smbldap_set_mod(&mods, modop,
3624                         get_attr_key2string(groupmap_attr_list,
3625                                             LDAP_ATTR_SID_LIST),
3626                         sid_to_fstring(tmp, member));
3627
3628         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3629
3630         ldap_mods_free(mods, True);
3631         ldap_msgfree(result);
3632         TALLOC_FREE(dn);
3633
3634         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3635                 return NT_STATUS_MEMBER_IN_ALIAS;
3636         }
3637
3638         if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3639                 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3640         }
3641
3642         if (rc != LDAP_SUCCESS) {
3643                 return NT_STATUS_UNSUCCESSFUL;
3644         }
3645
3646         return NT_STATUS_OK;
3647 }
3648
3649 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3650                                      const struct dom_sid *alias,
3651                                      const struct dom_sid *member)
3652 {
3653         return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3654 }
3655
3656 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3657                                      const struct dom_sid *alias,
3658                                      const struct dom_sid *member)
3659 {
3660         return ldapsam_modify_aliasmem(methods, alias, member,
3661                                        LDAP_MOD_DELETE);
3662 }
3663
3664 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3665                                       const struct dom_sid *alias,
3666                                       TALLOC_CTX *mem_ctx,
3667                                       struct dom_sid **pp_members,
3668                                       size_t *p_num_members)
3669 {
3670         struct ldapsam_privates *ldap_state =
3671                 (struct ldapsam_privates *)methods->private_data;
3672         LDAPMessage *result = NULL;
3673         LDAPMessage *entry = NULL;
3674         int count;
3675         char **values = NULL;
3676         int i;
3677         char *filter = NULL;
3678         uint32_t num_members = 0;
3679         enum lsa_SidType type = SID_NAME_USE_NONE;
3680         fstring tmp;
3681
3682         *pp_members = NULL;
3683         *p_num_members = 0;
3684
3685         if (sid_check_is_in_builtin(alias)) {
3686                 type = SID_NAME_ALIAS;
3687         }
3688
3689         if (sid_check_is_in_our_domain(alias)) {
3690                 type = SID_NAME_ALIAS;
3691         }
3692
3693         if (type == SID_NAME_USE_NONE) {
3694                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3695                           sid_string_dbg(alias)));
3696                 return NT_STATUS_NO_SUCH_ALIAS;
3697         }
3698
3699         if (asprintf(&filter,
3700                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3701                      LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3702                      type) < 0) {
3703                 return NT_STATUS_NO_MEMORY;
3704         }
3705
3706         if (ldapsam_search_one_group(ldap_state, filter,
3707                                      &result) != LDAP_SUCCESS) {
3708                 SAFE_FREE(filter);
3709                 return NT_STATUS_NO_SUCH_ALIAS;
3710         }
3711
3712         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3713                                    result);
3714
3715         if (count < 1) {
3716                 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3717                 ldap_msgfree(result);
3718                 SAFE_FREE(filter);
3719                 return NT_STATUS_NO_SUCH_ALIAS;
3720         }
3721
3722         if (count > 1) {
3723                 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3724                           "filter %s: count=%d\n", filter, count));
3725                 ldap_msgfree(result);
3726                 SAFE_FREE(filter);
3727                 return NT_STATUS_NO_SUCH_ALIAS;
3728         }
3729
3730         SAFE_FREE(filter);
3731
3732         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3733                                  result);
3734
3735         if (!entry) {
3736                 ldap_msgfree(result);
3737                 return NT_STATUS_UNSUCCESSFUL;
3738         }
3739
3740         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3741                                  entry,
3742                                  get_attr_key2string(groupmap_attr_list,
3743                                                      LDAP_ATTR_SID_LIST));
3744
3745         if (values == NULL) {
3746                 ldap_msgfree(result);
3747                 return NT_STATUS_OK;
3748         }
3749
3750         count = ldap_count_values(values);
3751
3752         for (i=0; i<count; i++) {
3753                 struct dom_sid member;
3754                 NTSTATUS status;
3755
3756                 if (!string_to_sid(&member, values[i]))
3757                         continue;
3758
3759                 status = add_sid_to_array(mem_ctx, &member, pp_members,
3760                                           &num_members);
3761                 if (!NT_STATUS_IS_OK(status)) {
3762                         ldap_value_free(values);
3763                         ldap_msgfree(result);
3764                         return status;
3765                 }
3766         }
3767
3768         *p_num_members = num_members;
3769         ldap_value_free(values);
3770         ldap_msgfree(result);
3771
3772         return NT_STATUS_OK;
3773 }
3774
3775 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3776                                           TALLOC_CTX *mem_ctx,
3777                                           const struct dom_sid *domain_sid,
3778                                           const struct dom_sid *members,
3779                                           size_t num_members,
3780                                           uint32_t **pp_alias_rids,
3781                                           size_t *p_num_alias_rids)
3782 {
3783         struct ldapsam_privates *ldap_state =
3784                 (struct ldapsam_privates *)methods->private_data;
3785         LDAP *ldap_struct;
3786
3787         const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3788
3789         LDAPMessage *result = NULL;
3790         LDAPMessage *entry = NULL;
3791         int i;
3792         int rc;
3793         char *filter;
3794         enum lsa_SidType type = SID_NAME_USE_NONE;
3795         bool is_builtin = false;
3796         bool sid_added = false;
3797
3798         *pp_alias_rids = NULL;
3799         *p_num_alias_rids = 0;
3800
3801         if (sid_check_is_builtin(domain_sid)) {
3802                 is_builtin = true;
3803                 type = SID_NAME_ALIAS;
3804         }
3805
3806         if (sid_check_is_domain(domain_sid)) {
3807                 type = SID_NAME_ALIAS;
3808         }
3809
3810         if (type == SID_NAME_USE_NONE) {
3811                 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3812                           sid_string_dbg(domain_sid)));
3813                 return NT_STATUS_UNSUCCESSFUL;
3814         }
3815
3816         if (num_members == 0) {
3817                 return NT_STATUS_OK;
3818         }
3819
3820         filter = talloc_asprintf(mem_ctx,
3821                                  "(&(objectclass=%s)(sambaGroupType=%d)(|",
3822                                  LDAP_OBJ_GROUPMAP, type);
3823
3824         for (i=0; i<num_members; i++)
3825                 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3826                                          filter,
3827                                          sid_string_talloc(mem_ctx,
3828                                                            &members[i]));
3829
3830         filter = talloc_asprintf(mem_ctx, "%s))", filter);
3831
3832         if (filter == NULL) {
3833                 return NT_STATUS_NO_MEMORY;
3834         }
3835
3836         if (is_builtin &&
3837             ldap_state->search_cache.filter &&
3838             strcmp(ldap_state->search_cache.filter, filter) == 0) {
3839                 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3840                 result = ldap_state->search_cache.result;
3841                 ldap_state->search_cache.result = NULL;
3842         } else {
3843                 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3844                                     LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3845                 if (rc != LDAP_SUCCESS) {
3846                         return NT_STATUS_UNSUCCESSFUL;
3847                 }
3848                 talloc_autofree_ldapmsg(filter, result);
3849         }
3850
3851         ldap_struct = ldap_state->smbldap_state->ldap_struct;
3852
3853         for (entry = ldap_first_entry(ldap_struct, result);
3854              entry != NULL;
3855              entry = ldap_next_entry(ldap_struct, entry))
3856         {
3857                 fstring sid_str;
3858                 struct dom_sid sid;
3859                 uint32_t rid;
3860
3861                 if (!smbldap_get_single_attribute(ldap_struct, entry,
3862                                                   LDAP_ATTRIBUTE_SID,
3863                                                   sid_str,
3864                                                   sizeof(sid_str)-1))
3865                         continue;
3866
3867                 if (!string_to_sid(&sid, sid_str))
3868                         continue;
3869
3870                 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3871                         continue;
3872
3873                 sid_added = true;
3874
3875                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3876                                         p_num_alias_rids)) {
3877                         return NT_STATUS_NO_MEMORY;
3878                 }
3879         }
3880
3881         if (!is_builtin && !sid_added) {
3882                 TALLOC_FREE(ldap_state->search_cache.filter);
3883                 /*
3884                  * Note: result is a talloc child of filter because of the
3885                  * talloc_autofree_ldapmsg() usage
3886                  */
3887                 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3888                 ldap_state->search_cache.result = result;
3889         }
3890
3891         return NT_STATUS_OK;
3892 }
3893
3894 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3895                                                    enum pdb_policy_type type,
3896                                                    uint32_t value)
3897 {
3898         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3899         int rc;
3900         LDAPMod **mods = NULL;
3901         fstring value_string;
3902         const char *policy_attr = NULL;
3903
3904         struct ldapsam_privates *ldap_state =
3905                 (struct ldapsam_privates *)methods->private_data;
3906
3907         DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3908
3909         if (!ldap_state->domain_dn) {
3910                 return NT_STATUS_INVALID_PARAMETER;
3911         }
3912
3913         policy_attr = get_account_policy_attr(type);
3914         if (policy_attr == NULL) {
3915                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3916                          "policy\n"));
3917                 return ntstatus;
3918         }
3919
3920         slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3921
3922         smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3923
3924         rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3925                             mods);
3926
3927         ldap_mods_free(mods, True);
3928
3929         if (rc != LDAP_SUCCESS) {
3930                 return ntstatus;
3931         }
3932
3933         if (!cache_account_policy_set(type, value)) {
3934                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3935                          "update local tdb cache\n"));
3936                 return ntstatus;
3937         }
3938
3939         return NT_STATUS_OK;
3940 }
3941
3942 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3943                                            enum pdb_policy_type type,
3944                                            uint32_t value)
3945 {
3946         return ldapsam_set_account_policy_in_ldap(methods, type,
3947                                                   value);
3948 }
3949
3950 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3951                                                      enum pdb_policy_type type,
3952                                                      uint32_t *value)
3953 {
3954         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3955         LDAPMessage *result = NULL;
3956         LDAPMessage *entry = NULL;
3957         int count;
3958         int rc;
3959         char **vals = NULL;
3960         char *filter;
3961         const char *policy_attr = NULL;
3962
3963         struct ldapsam_privates *ldap_state =
3964                 (struct ldapsam_privates *)methods->private_data;
3965
3966         const char *attrs[2];
3967
3968         DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3969
3970         if (!ldap_state->domain_dn) {
3971                 return NT_STATUS_INVALID_PARAMETER;
3972         }
3973
3974         policy_attr = get_account_policy_attr(type);
3975         if (!policy_attr) {
3976                 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3977                          "policy index: %d\n", type));
3978                 return ntstatus;
3979         }
3980
3981         attrs[0] = policy_attr;
3982         attrs[1] = NULL;
3983
3984         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3985         if (filter == NULL) {
3986                 return NT_STATUS_NO_MEMORY;
3987         }
3988         rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3989                             LDAP_SCOPE_BASE, filter, attrs, 0,
3990                             &result);
3991         TALLOC_FREE(filter);
3992         if (rc != LDAP_SUCCESS) {
3993                 return ntstatus;
3994         }
3995
3996         count = ldap_count_entries(priv2ld(ldap_state), result);
3997         if (count < 1) {
3998                 goto out;
3999         }
4000
4001         entry = ldap_first_entry(priv2ld(ldap_state), result);
4002         if (entry == NULL) {
4003                 goto out;
4004         }
4005
4006         vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4007         if (vals == NULL) {
4008                 goto out;
4009         }
4010
4011         *value = (uint32_t)atol(vals[0]);
4012
4013         ntstatus = NT_STATUS_OK;
4014
4015 out:
4016         if (vals)
4017                 ldap_value_free(vals);
4018         ldap_msgfree(result);
4019
4020         return ntstatus;
4021 }
4022
4023 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4024
4025    - if user hasn't decided to use account policies inside LDAP just reuse the
4026      old tdb values
4027
4028    - if there is a valid cache entry, return that
4029    - if there is an LDAP entry, update cache and return
4030    - otherwise set to default, update cache and return
4031
4032    Guenther
4033 */
4034 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4035                                            enum pdb_policy_type type,
4036                                            uint32_t *value)
4037 {
4038         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4039
4040         if (cache_account_policy_get(type, value)) {
4041                 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4042                           "cache\n"));
4043                 return NT_STATUS_OK;
4044         }
4045
4046         ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4047                                                         value);
4048         if (NT_STATUS_IS_OK(ntstatus)) {
4049                 goto update_cache;
4050         }
4051
4052         DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4053                   "ldap\n"));
4054
4055 #if 0
4056         /* should we automagically migrate old tdb value here ? */
4057         if (account_policy_get(type, value))
4058                 goto update_ldap;
4059
4060         DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4061                   "default\n", type));
4062 #endif
4063
4064         if (!account_policy_get_default(type, value)) {
4065                 return ntstatus;
4066         }
4067
4068 /* update_ldap: */
4069
4070         ntstatus = ldapsam_set_account_policy(methods, type, *value);
4071         if (!NT_STATUS_IS_OK(ntstatus)) {
4072                 return ntstatus;
4073         }
4074
4075  update_cache:
4076
4077         if (!cache_account_policy_set(type, *value)) {
4078                 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4079                          "tdb as a cache\n"));
4080                 return NT_STATUS_UNSUCCESSFUL;
4081         }
4082
4083         return NT_STATUS_OK;
4084 }
4085
4086 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4087                                     const struct dom_sid *domain_sid,
4088                                     int num_rids,
4089                                     uint32_t *rids,
4090                                     const char **names,
4091                                     enum lsa_SidType *attrs)
4092 {
4093         struct ldapsam_privates *ldap_state =
4094                 (struct ldapsam_privates *)methods->private_data;
4095         LDAPMessage *msg = NULL;
4096         LDAPMessage *entry;
4097         char *allsids = NULL;
4098         int i, rc, num_mapped;
4099         NTSTATUS result = NT_STATUS_NO_MEMORY;
4100         TALLOC_CTX *mem_ctx;
4101         LDAP *ld;
4102         bool is_builtin;
4103
4104         mem_ctx = talloc_new(NULL);
4105         if (mem_ctx == NULL) {
4106                 DEBUG(0, ("talloc_new failed\n"));
4107                 goto done;
4108         }
4109
4110         if (!sid_check_is_builtin(domain_sid) &&
4111             !sid_check_is_domain(domain_sid)) {
4112                 result = NT_STATUS_INVALID_PARAMETER;
4113                 goto done;
4114         }
4115
4116         if (num_rids == 0) {
4117                 result = NT_STATUS_NONE_MAPPED;
4118                 goto done;
4119         }
4120
4121         for (i=0; i<num_rids; i++)
4122                 attrs[i] = SID_NAME_UNKNOWN;
4123
4124         allsids = talloc_strdup(mem_ctx, "");
4125         if (allsids == NULL) {
4126                 goto done;
4127         }
4128
4129         for (i=0; i<num_rids; i++) {
4130                 struct dom_sid sid;
4131                 sid_compose(&sid, domain_sid, rids[i]);
4132                 allsids = talloc_asprintf_append_buffer(
4133                         allsids, "(sambaSid=%s)",
4134                         sid_string_talloc(mem_ctx, &sid));
4135                 if (allsids == NULL) {
4136                         goto done;
4137                 }
4138         }
4139
4140         /* First look for users */
4141
4142         {
4143                 char *filter;
4144                 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4145
4146                 filter = talloc_asprintf(
4147                         mem_ctx, ("(&(objectClass=%s)(|%s))"),
4148                         LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4149
4150                 if (filter == NULL) {
4151                         goto done;
4152                 }
4153
4154                 rc = smbldap_search(ldap_state->smbldap_state,
4155                                     lp_ldap_user_suffix(),
4156                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4157                                     &msg);
4158                 talloc_autofree_ldapmsg(mem_ctx, msg);
4159         }
4160
4161         if (rc != LDAP_SUCCESS)
4162                 goto done;
4163
4164         ld = ldap_state->smbldap_state->ldap_struct;
4165         num_mapped = 0;
4166
4167         for (entry = ldap_first_entry(ld, msg);
4168              entry != NULL;
4169              entry = ldap_next_entry(ld, entry)) {
4170                 uint32_t rid;
4171                 int rid_index;
4172                 const char *name;
4173
4174                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4175                                                     &rid)) {
4176                         DEBUG(2, ("Could not find sid from ldap entry\n"));
4177                         continue;
4178                 }
4179
4180                 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4181                                                        names);
4182                 if (name == NULL) {
4183                         DEBUG(2, ("Could not retrieve uid attribute\n"));
4184                         continue;
4185                 }
4186
4187                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4188                         if (rid == rids[rid_index])
4189                                 break;
4190                 }
4191
4192                 if (rid_index == num_rids) {
4193                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4194                         continue;
4195                 }
4196
4197                 attrs[rid_index] = SID_NAME_USER;
4198                 names[rid_index] = name;
4199                 num_mapped += 1;
4200         }
4201
4202         if (num_mapped == num_rids) {
4203                 /* No need to look for groups anymore -- we're done */
4204                 result = NT_STATUS_OK;
4205                 goto done;
4206         }
4207
4208         /* Same game for groups */
4209
4210         {
4211                 char *filter;
4212                 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4213                                              "sambaGroupType", NULL };
4214
4215                 filter = talloc_asprintf(
4216                         mem_ctx, "(&(objectClass=%s)(|%s))",
4217                         LDAP_OBJ_GROUPMAP, allsids);
4218                 if (filter == NULL) {
4219                         goto done;
4220                 }
4221
4222                 rc = smbldap_search(ldap_state->smbldap_state,
4223                                     lp_ldap_suffix(),
4224                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4225                                     &msg);
4226                 talloc_autofree_ldapmsg(mem_ctx, msg);
4227         }
4228
4229         if (rc != LDAP_SUCCESS)
4230                 goto done;
4231
4232         /* ldap_struct might have changed due to a reconnect */
4233
4234         ld = ldap_state->smbldap_state->ldap_struct;
4235
4236         /* For consistency checks, we already checked we're only domain or builtin */
4237
4238         is_builtin = sid_check_is_builtin(domain_sid);
4239
4240         for (entry = ldap_first_entry(ld, msg);
4241              entry != NULL;
4242              entry = ldap_next_entry(ld, entry))
4243         {
4244                 uint32_t rid;
4245                 int rid_index;
4246                 const char *attr;
4247                 enum lsa_SidType type;
4248                 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4249
4250                 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4251                                                        mem_ctx);
4252                 if (attr == NULL) {
4253                         DEBUG(2, ("Could not extract type from ldap entry %s\n",
4254                                   dn));
4255                         continue;
4256                 }
4257
4258                 type = (enum lsa_SidType)atol(attr);
4259
4260                 /* Consistency checks */
4261                 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4262                     (!is_builtin && ((type != SID_NAME_ALIAS) &&
4263                                      (type != SID_NAME_DOM_GRP)))) {
4264                         DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4265                 }
4266
4267                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4268                                                     &rid)) {
4269                         DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4270                         continue;
4271                 }
4272
4273                 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4274
4275                 if (attr == NULL) {
4276                         DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4277                                    dn));
4278                         attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4279                 }
4280
4281                 if (attr == NULL) {
4282                         DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4283                                   dn));
4284                         continue;
4285                 }
4286
4287                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4288                         if (rid == rids[rid_index])
4289                                 break;
4290                 }
4291
4292                 if (rid_index == num_rids) {
4293                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4294                         continue;
4295                 }
4296
4297                 attrs[rid_index] = type;
4298                 names[rid_index] = attr;
4299                 num_mapped += 1;
4300         }
4301
4302         result = NT_STATUS_NONE_MAPPED;
4303
4304         if (num_mapped > 0)
4305                 result = (num_mapped == num_rids) ?
4306                         NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4307  done:
4308         TALLOC_FREE(mem_ctx);
4309         return result;
4310 }
4311
4312 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4313 {
4314         char *filter = NULL;
4315         char *escaped = NULL;
4316         char *result = NULL;
4317
4318         if (asprintf(&filter, "(&%s(objectclass=%s))",
4319                           "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4320                 goto done;
4321         }
4322
4323         escaped = escape_ldap_string(talloc_tos(), username);
4324         if (escaped == NULL) goto done;
4325
4326         result = talloc_string_sub(mem_ctx, filter, "%u", username);
4327
4328  done:
4329         SAFE_FREE(filter);
4330         TALLOC_FREE(escaped);
4331
4332         return result;
4333 }
4334
4335 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4336 {
4337         int i, num = 0;
4338         va_list ap;
4339         const char **result;
4340
4341         va_start(ap, mem_ctx);
4342         while (va_arg(ap, const char *) != NULL)
4343                 num += 1;
4344         va_end(ap);
4345
4346         if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4347                 return NULL;
4348         }
4349
4350         va_start(ap, mem_ctx);
4351         for (i=0; i<num; i++) {
4352                 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4353                 if (result[i] == NULL) {
4354                         talloc_free(result);
4355                         va_end(ap);
4356                         return NULL;
4357                 }
4358         }
4359         va_end(ap);
4360
4361         result[num] = NULL;
4362         return result;
4363 }
4364
4365 struct ldap_search_state {
4366         struct smbldap_state *connection;
4367
4368         uint32_t acct_flags;
4369         uint16_t group_type;
4370
4371         const char *base;
4372         int scope;
4373         const char *filter;
4374         const char **attrs;
4375         int attrsonly;
4376         void *pagedresults_cookie;
4377
4378         LDAPMessage *entries, *current_entry;
4379         bool (*ldap2displayentry)(struct ldap_search_state *state,
4380                                   TALLOC_CTX *mem_ctx,
4381                                   LDAP *ld, LDAPMessage *entry,
4382                                   struct samr_displayentry *result);
4383 };
4384
4385 static bool ldapsam_search_firstpage(struct pdb_search *search)
4386 {
4387         struct ldap_search_state *state =
4388                 (struct ldap_search_state *)search->private_data;
4389         LDAP *ld;
4390         int rc = LDAP_OPERATIONS_ERROR;
4391
4392         state->entries = NULL;
4393
4394         if (state->connection->paged_results) {
4395                 rc = smbldap_search_paged(state->connection, state->base,
4396                                           state->scope, state->filter,
4397                                           state->attrs, state->attrsonly,
4398                                           lp_ldap_page_size(), &state->entries,
4399                                           &state->pagedresults_cookie);
4400         }
4401
4402         if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4403
4404                 if (state->entries != NULL) {
4405                         /* Left over from unsuccessful paged attempt */
4406                         ldap_msgfree(state->entries);
4407                         state->entries = NULL;
4408                 }
4409
4410                 rc = smbldap_search(state->connection, state->base,
4411                                     state->scope, state->filter, state->attrs,
4412                                     state->attrsonly, &state->entries);
4413
4414                 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4415                         return False;
4416
4417                 /* Ok, the server was lying. It told us it could do paged
4418                  * searches when it could not. */
4419                 state->connection->paged_results = False;
4420         }
4421
4422         ld = state->connection->ldap_struct;
4423         if ( ld == NULL) {
4424                 DEBUG(5, ("Don't have an LDAP connection right after a "
4425                           "search\n"));
4426                 return False;
4427         }
4428         state->current_entry = ldap_first_entry(ld, state->entries);
4429
4430         return True;
4431 }
4432
4433 static bool ldapsam_search_nextpage(struct pdb_search *search)
4434 {
4435         struct ldap_search_state *state =
4436                 (struct ldap_search_state *)search->private_data;
4437         int rc;
4438
4439         if (!state->connection->paged_results) {
4440                 /* There is no next page when there are no paged results */
4441                 return False;
4442         }
4443
4444         rc = smbldap_search_paged(state->connection, state->base,
4445                                   state->scope, state->filter, state->attrs,
4446                                   state->attrsonly, lp_ldap_page_size(),
4447                                   &state->entries,
4448                                   &state->pagedresults_cookie);
4449
4450         if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4451                 return False;
4452
4453         state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4454
4455         if (state->current_entry == NULL) {
4456                 ldap_msgfree(state->entries);
4457                 state->entries = NULL;
4458                 return false;
4459         }
4460
4461         return True;
4462 }
4463
4464 static bool ldapsam_search_next_entry(struct pdb_search *search,
4465                                       struct samr_displayentry *entry)
4466 {
4467         struct ldap_search_state *state =
4468                 (struct ldap_search_state *)search->private_data;
4469         bool result;
4470
4471  retry:
4472         if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4473                 return False;
4474
4475         if ((state->entries == NULL) &&
4476             !ldapsam_search_nextpage(search))
4477                     return False;
4478
4479         if (state->current_entry == NULL) {
4480                 return false;
4481         }
4482
4483         result = state->ldap2displayentry(state, search,
4484                                           state->connection->ldap_struct,
4485                                           state->current_entry, entry);
4486
4487         if (!result) {
4488                 char *dn;
4489                 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4490                 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4491                 if (dn != NULL) ldap_memfree(dn);
4492         }
4493
4494         state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4495
4496         if (state->current_entry == NULL) {
4497                 ldap_msgfree(state->entries);
4498                 state->entries = NULL;
4499         }
4500
4501         if (!result) goto retry;
4502
4503         return True;
4504 }
4505
4506 static void ldapsam_search_end(struct pdb_search *search)
4507 {
4508         struct ldap_search_state *state =
4509                 (struct ldap_search_state *)search->private_data;
4510         int rc;
4511
4512         if (state->pagedresults_cookie == NULL)
4513                 return;
4514
4515         if (state->entries != NULL)
4516                 ldap_msgfree(state->entries);
4517
4518         state->entries = NULL;
4519         state->current_entry = NULL;
4520
4521         if (!state->connection->paged_results)
4522                 return;
4523
4524         /* Tell the LDAP server we're not interested in the rest anymore. */
4525
4526         rc = smbldap_search_paged(state->connection, state->base, state->scope,
4527                                   state->filter, state->attrs,
4528                                   state->attrsonly, 0, &state->entries,
4529                                   &state->pagedresults_cookie);
4530
4531         if (rc != LDAP_SUCCESS)
4532                 DEBUG(5, ("Could not end search properly\n"));
4533
4534         return;
4535 }
4536
4537 static bool ldapuser2displayentry(struct ldap_search_state *state,
4538                                   TALLOC_CTX *mem_ctx,
4539                                   LDAP *ld, LDAPMessage *entry,
4540                                   struct samr_displayentry *result)
4541 {
4542         char **vals;
4543         size_t converted_size;
4544         struct dom_sid sid;
4545         uint32_t acct_flags;
4546
4547         vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4548         if ((vals == NULL) || (vals[0] == NULL)) {
4549                 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4550                 return False;
4551         }
4552         acct_flags = pdb_decode_acct_ctrl(vals[0]);
4553         ldap_value_free(vals);
4554
4555         if ((state->acct_flags != 0) &&
4556             ((state->acct_flags & acct_flags) == 0))
4557                 return False;
4558
4559         result->acct_flags = acct_flags;
4560         result->account_name = "";
4561         result->fullname = "";
4562         result->description = "";
4563
4564         vals = ldap_get_values(ld, entry, "uid");
4565         if ((vals == NULL) || (vals[0] == NULL)) {
4566                 DEBUG(5, ("\"uid\" not found\n"));
4567                 return False;
4568         }
4569         if (!pull_utf8_talloc(mem_ctx,
4570                               discard_const_p(char *, &result->account_name),
4571                               vals[0], &converted_size))
4572         {
4573                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4574                          strerror(errno)));
4575         }
4576
4577         ldap_value_free(vals);
4578
4579         vals = ldap_get_values(ld, entry, "displayName");
4580         if ((vals == NULL) || (vals[0] == NULL))
4581                 DEBUG(8, ("\"displayName\" not found\n"));
4582         else if (!pull_utf8_talloc(mem_ctx,
4583                                    discard_const_p(char *, &result->fullname),
4584                                    vals[0], &converted_size))
4585         {
4586                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4587                          strerror(errno)));
4588         }
4589
4590         ldap_value_free(vals);
4591
4592         vals = ldap_get_values(ld, entry, "description");
4593         if ((vals == NULL) || (vals[0] == NULL))
4594                 DEBUG(8, ("\"description\" not found\n"));
4595         else if (!pull_utf8_talloc(mem_ctx,
4596                                    discard_const_p(char *, &result->description),
4597                                    vals[0], &converted_size))
4598         {
4599                 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4600                          strerror(errno)));
4601         }
4602
4603         ldap_value_free(vals);
4604
4605         if ((result->account_name == NULL) ||
4606             (result->fullname == NULL) ||
4607             (result->description == NULL)) {
4608                 DEBUG(0, ("talloc failed\n"));
4609                 return False;
4610         }
4611
4612         vals = ldap_get_values(ld, entry, "sambaSid");
4613         if ((vals == NULL) || (vals[0] == NULL)) {
4614                 DEBUG(0, ("\"objectSid\" not found\n"));
4615                 return False;
4616         }
4617
4618         if (!string_to_sid(&sid, vals[0])) {
4619                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4620                 ldap_value_free(vals);
4621                 return False;
4622         }
4623         ldap_value_free(vals);
4624
4625         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4626                 DEBUG(0, ("sid %s does not belong to our domain\n",
4627                           sid_string_dbg(&sid)));
4628                 return False;
4629         }
4630
4631         return True;
4632 }
4633
4634
4635 static bool ldapsam_search_users(struct pdb_methods *methods,
4636                                  struct pdb_search *search,
4637                                  uint32_t acct_flags)
4638 {
4639         struct ldapsam_privates *ldap_state =
4640                 (struct ldapsam_privates *)methods->private_data;
4641         struct ldap_search_state *state;
4642
4643         state = talloc(search, struct ldap_search_state);
4644         if (state == NULL) {
4645                 DEBUG(0, ("talloc failed\n"));
4646                 return False;
4647         }
4648
4649         state->connection = ldap_state->smbldap_state;
4650
4651         if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4652                 state->base = lp_ldap_user_suffix();
4653         else if ((acct_flags != 0) &&
4654                  ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4655                 state->base = lp_ldap_machine_suffix();
4656         else
4657                 state->base = lp_ldap_suffix();
4658
4659         state->acct_flags = acct_flags;
4660         state->base = talloc_strdup(search, state->base);
4661         state->scope = LDAP_SCOPE_SUBTREE;
4662         state->filter = get_ldap_filter(search, "*");
4663         state->attrs = talloc_attrs(search, "uid", "sambaSid",
4664                                     "displayName", "description",
4665                                     "sambaAcctFlags", NULL);
4666         state->attrsonly = 0;
4667         state->pagedresults_cookie = NULL;
4668         state->entries = NULL;
4669         state->ldap2displayentry = ldapuser2displayentry;
4670
4671         if ((state->filter == NULL) || (state->attrs == NULL)) {
4672                 DEBUG(0, ("talloc failed\n"));
4673                 return False;
4674         }
4675
4676         search->private_data = state;
4677         search->next_entry = ldapsam_search_next_entry;
4678         search->search_end = ldapsam_search_end;
4679
4680         return ldapsam_search_firstpage(search);
4681 }
4682
4683 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4684                                    TALLOC_CTX *mem_ctx,
4685                                    LDAP *ld, LDAPMessage *entry,
4686                                    struct samr_displayentry *result)
4687 {
4688         char **vals;
4689         size_t converted_size;
4690         struct dom_sid sid;
4691         uint16_t group_type;
4692
4693         result->account_name = "";
4694         result->fullname = "";
4695         result->description = "";
4696
4697
4698         vals = ldap_get_values(ld, entry, "sambaGroupType");
4699         if ((vals == NULL) || (vals[0] == NULL)) {
4700                 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4701                 if (vals != NULL) {
4702                         ldap_value_free(vals);
4703                 }
4704                 return False;
4705         }
4706
4707         group_type = atoi(vals[0]);
4708
4709         if ((state->group_type != 0) &&
4710             ((state->group_type != group_type))) {
4711                 ldap_value_free(vals);
4712                 return False;
4713         }
4714
4715         ldap_value_free(vals);
4716
4717         /* display name is the NT group name */
4718
4719         vals = ldap_get_values(ld, entry, "displayName");
4720         if ((vals == NULL) || (vals[0] == NULL)) {
4721                 DEBUG(8, ("\"displayName\" not found\n"));
4722
4723                 /* fallback to the 'cn' attribute */
4724                 vals = ldap_get_values(ld, entry, "cn");
4725                 if ((vals == NULL) || (vals[0] == NULL)) {
4726                         DEBUG(5, ("\"cn\" not found\n"));
4727                         return False;
4728                 }
4729                 if (!pull_utf8_talloc(mem_ctx,
4730                                       discard_const_p(char *,
4731                                                     &result->account_name),
4732                                       vals[0], &converted_size))
4733                 {
4734                         DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4735                                   "failed: %s", strerror(errno)));
4736                 }
4737         }
4738         else if (!pull_utf8_talloc(mem_ctx,
4739                                    discard_const_p(char *,
4740                                                  &result->account_name),
4741                                    vals[0], &converted_size))
4742         {
4743                 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4744                           strerror(errno)));
4745         }
4746
4747         ldap_value_free(vals);
4748
4749         vals = ldap_get_values(ld, entry, "description");
4750         if ((vals == NULL) || (vals[0] == NULL))
4751                 DEBUG(8, ("\"description\" not found\n"));
4752         else if (!pull_utf8_talloc(mem_ctx,
4753                                    discard_const_p(char *, &result->description),
4754                                    vals[0], &converted_size))
4755         {
4756                 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4757                           strerror(errno)));
4758         }
4759         ldap_value_free(vals);
4760
4761         if ((result->account_name == NULL) ||
4762             (result->fullname == NULL) ||
4763             (result->description == NULL)) {
4764                 DEBUG(0, ("talloc failed\n"));
4765                 return False;
4766         }
4767
4768         vals = ldap_get_values(ld, entry, "sambaSid");
4769         if ((vals == NULL) || (vals[0] == NULL)) {
4770                 DEBUG(0, ("\"objectSid\" not found\n"));
4771                 if (vals != NULL) {
4772                         ldap_value_free(vals);
4773                 }
4774                 return False;
4775         }
4776
4777         if (!string_to_sid(&sid, vals[0])) {
4778                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4779                 return False;
4780         }
4781
4782         ldap_value_free(vals);
4783
4784         switch (group_type) {
4785                 case SID_NAME_DOM_GRP:
4786                 case SID_NAME_ALIAS:
4787
4788                         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4789                                 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4790                         {
4791                                 DEBUG(0, ("%s is not in our domain\n",
4792                                           sid_string_dbg(&sid)));
4793                                 return False;
4794                         }
4795                         break;
4796
4797                 default:
4798                         DEBUG(0,("unknown group type: %d\n", group_type));
4799                         return False;
4800         }
4801
4802         result->acct_flags = 0;
4803
4804         return True;
4805 }
4806
4807 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4808                                      struct pdb_search *search,
4809                                      const struct dom_sid *sid,
4810                                      enum lsa_SidType type)
4811 {
4812         struct ldapsam_privates *ldap_state =
4813                 (struct ldapsam_privates *)methods->private_data;
4814         struct ldap_search_state *state;
4815         fstring tmp;
4816
4817         state = talloc(search, struct ldap_search_state);
4818         if (state == NULL) {
4819                 DEBUG(0, ("talloc failed\n"));
4820                 return False;
4821         }
4822
4823         state->connection = ldap_state->smbldap_state;
4824
4825         state->base = talloc_strdup(search, lp_ldap_suffix());
4826         state->connection = ldap_state->smbldap_state;
4827         state->scope = LDAP_SCOPE_SUBTREE;
4828         state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4829                                         "(sambaGroupType=%d)(sambaSID=%s*))",
4830                                          LDAP_OBJ_GROUPMAP,
4831                                          type, sid_to_fstring(tmp, sid));
4832         state->attrs = talloc_attrs(search, "cn", "sambaSid",
4833                                     "displayName", "description",
4834                                     "sambaGroupType", NULL);
4835         state->attrsonly = 0;
4836         state->pagedresults_cookie = NULL;
4837         state->entries = NULL;
4838         state->group_type = type;
4839         state->ldap2displayentry = ldapgroup2displayentry;
4840
4841         if ((state->filter == NULL) || (state->attrs == NULL)) {
4842                 DEBUG(0, ("talloc failed\n"));
4843                 return False;
4844         }
4845
4846         search->private_data = state;
4847         search->next_entry = ldapsam_search_next_entry;
4848         search->search_end = ldapsam_search_end;
4849
4850         return ldapsam_search_firstpage(search);
4851 }
4852
4853 static bool ldapsam_search_groups(struct pdb_methods *methods,
4854                                   struct pdb_search *search)
4855 {
4856         return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4857 }
4858
4859 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4860                                    struct pdb_search *search,
4861                                    const struct dom_sid *sid)
4862 {
4863         return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4864 }
4865
4866 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4867 {
4868         return PDB_CAP_STORE_RIDS;
4869 }
4870
4871 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4872                                     uint32_t *rid)
4873 {
4874         struct smbldap_state *smbldap_state = priv->smbldap_state;
4875
4876         LDAPMessage *result = NULL;
4877         LDAPMessage *entry = NULL;
4878         LDAPMod **mods = NULL;
4879         NTSTATUS status;
4880         char *value;
4881         int rc;
4882         uint32_t nextRid = 0;
4883         const char *dn;
4884
4885         TALLOC_CTX *mem_ctx;
4886
4887         mem_ctx = talloc_new(NULL);
4888         if (mem_ctx == NULL) {
4889                 DEBUG(0, ("talloc_new failed\n"));
4890                 return NT_STATUS_NO_MEMORY;
4891         }
4892
4893         status = smbldap_search_domain_info(smbldap_state, &result,
4894                                             get_global_sam_name(), False);
4895         if (!NT_STATUS_IS_OK(status)) {
4896                 DEBUG(3, ("Could not get domain info: %s\n",
4897                           nt_errstr(status)));
4898                 goto done;
4899         }
4900
4901         talloc_autofree_ldapmsg(mem_ctx, result);
4902
4903         entry = ldap_first_entry(priv2ld(priv), result);
4904         if (entry == NULL) {
4905                 DEBUG(0, ("Could not get domain info entry\n"));
4906                 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4907                 goto done;
4908         }
4909
4910         /* Find the largest of the three attributes "sambaNextRid",
4911            "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4912            concept of differentiating between user and group rids, and will
4913            use only "sambaNextRid" in the future. But for compatibility
4914            reasons I look if others have chosen different strategies -- VL */
4915
4916         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4917                                                 "sambaNextRid", mem_ctx);
4918         if (value != NULL) {
4919                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4920                 nextRid = MAX(nextRid, tmp);
4921         }
4922
4923         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4924                                                 "sambaNextUserRid", mem_ctx);
4925         if (value != NULL) {
4926                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4927                 nextRid = MAX(nextRid, tmp);
4928         }
4929
4930         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4931                                                 "sambaNextGroupRid", mem_ctx);
4932         if (value != NULL) {
4933                 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4934                 nextRid = MAX(nextRid, tmp);
4935         }
4936
4937         if (nextRid == 0) {
4938                 nextRid = BASE_RID-1;
4939         }
4940
4941         nextRid += 1;
4942
4943         smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4944                          talloc_asprintf(mem_ctx, "%d", nextRid));
4945         talloc_autofree_ldapmod(mem_ctx, mods);
4946
4947         if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4948                 status = NT_STATUS_NO_MEMORY;
4949                 goto done;
4950         }
4951
4952         rc = smbldap_modify(smbldap_state, dn, mods);
4953
4954         /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4955          * please retry" */
4956
4957         status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4958
4959  done:
4960         if (NT_STATUS_IS_OK(status)) {
4961                 *rid = nextRid;
4962         }
4963
4964         TALLOC_FREE(mem_ctx);
4965         return status;
4966 }
4967
4968 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4969 {
4970         int i;
4971
4972         for (i=0; i<10; i++) {
4973                 NTSTATUS result = ldapsam_get_new_rid(
4974                         (struct ldapsam_privates *)methods->private_data, rid);
4975                 if (NT_STATUS_IS_OK(result)) {
4976                         return result;
4977                 }
4978
4979                 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4980                         return result;
4981                 }
4982
4983                 /* The ldap update failed (maybe a race condition), retry */
4984         }
4985
4986         /* Tried 10 times, fail. */
4987         return NT_STATUS_ACCESS_DENIED;
4988 }
4989
4990 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4991 {
4992         NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4993         return NT_STATUS_IS_OK(result) ? True : False;
4994 }
4995
4996 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4997                               const struct dom_sid *sid,
4998                               uid_t *uid, gid_t *gid,
4999                               enum lsa_SidType *type)
5000 {
5001         struct ldapsam_privates *priv =
5002                 (struct ldapsam_privates *)methods->private_data;
5003         char *filter;
5004         const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5005                                 NULL };
5006         LDAPMessage *result = NULL;
5007         LDAPMessage *entry = NULL;
5008         bool ret = False;
5009         char *value;
5010         int rc;
5011
5012         TALLOC_CTX *mem_ctx;
5013
5014         mem_ctx = talloc_new(NULL);
5015         if (mem_ctx == NULL) {
5016                 DEBUG(0, ("talloc_new failed\n"));
5017                 return False;
5018         }
5019
5020         filter = talloc_asprintf(mem_ctx,
5021                                  "(&(sambaSid=%s)"
5022                                  "(|(objectClass=%s)(objectClass=%s)))",
5023                                  sid_string_talloc(mem_ctx, sid),
5024                                  LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5025         if (filter == NULL) {
5026                 DEBUG(5, ("talloc_asprintf failed\n"));
5027                 goto done;
5028         }
5029
5030         rc = smbldap_search_suffix(priv->smbldap_state, filter,
5031                                    attrs, &result);
5032         if (rc != LDAP_SUCCESS) {
5033                 goto done;
5034         }
5035         talloc_autofree_ldapmsg(mem_ctx, result);
5036
5037         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5038                 DEBUG(10, ("Got %d entries, expected one\n",
5039                            ldap_count_entries(priv2ld(priv), result)));
5040                 goto done;
5041         }
5042
5043         entry = ldap_first_entry(priv2ld(priv), result);
5044
5045         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5046                                                 "sambaGroupType", mem_ctx);
5047
5048         if (value != NULL) {
5049                 const char *gid_str;
5050                 /* It's a group */
5051
5052                 gid_str = smbldap_talloc_single_attribute(
5053                         priv2ld(priv), entry, "gidNumber", mem_ctx);
5054                 if (gid_str == NULL) {
5055                         DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5056                                   smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5057                                                     entry)));
5058                         goto done;
5059                 }
5060
5061                 *gid = strtoul(gid_str, NULL, 10);
5062                 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5063                 store_gid_sid_cache(sid, *gid);
5064                 idmap_cache_set_sid2gid(sid, *gid);
5065                 ret = True;
5066                 goto done;
5067         }
5068
5069         /* It must be a user */
5070
5071         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5072                                                 "uidNumber", mem_ctx);
5073         if (value == NULL) {
5074                 DEBUG(1, ("Could not find uidNumber in %s\n",
5075                           smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5076                 goto done;
5077         }
5078
5079         *uid = strtoul(value, NULL, 10);
5080         *type = SID_NAME_USER;
5081         store_uid_sid_cache(sid, *uid);
5082         idmap_cache_set_sid2uid(sid, *uid);
5083
5084         ret = True;
5085  done:
5086         TALLOC_FREE(mem_ctx);
5087         return ret;
5088 }
5089
5090 /**
5091  * Find the SID for a uid.
5092  * This is shortcut is only used if ldapsam:trusted is set to true.
5093  */
5094 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5095                                struct dom_sid *sid)
5096 {
5097         struct ldapsam_privates *priv =
5098                 (struct ldapsam_privates *)methods->private_data;
5099         char *filter;
5100         const char *attrs[] = { "sambaSID", NULL };
5101         LDAPMessage *result = NULL;
5102         LDAPMessage *entry = NULL;
5103         bool ret = false;
5104         char *user_sid_string;
5105         struct dom_sid user_sid;
5106         int rc;
5107         TALLOC_CTX *tmp_ctx = talloc_stackframe();
5108
5109         filter = talloc_asprintf(tmp_ctx,
5110                                  "(&(uidNumber=%u)"
5111                                  "(objectClass=%s)"
5112                                  "(objectClass=%s))",
5113                                  (unsigned int)uid,
5114                                  LDAP_OBJ_POSIXACCOUNT,
5115                                  LDAP_OBJ_SAMBASAMACCOUNT);
5116         if (filter == NULL) {
5117                 DEBUG(3, ("talloc_asprintf failed\n"));
5118                 goto done;
5119         }
5120
5121         rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5122         if (rc != LDAP_SUCCESS) {
5123                 goto done;
5124         }
5125         talloc_autofree_ldapmsg(tmp_ctx, result);
5126
5127         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5128                 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5129                            ldap_count_entries(priv2ld(priv), result),
5130                            (unsigned int)uid));
5131                 goto done;
5132         }
5133
5134         entry = ldap_first_entry(priv2ld(priv), result);
5135
5136         user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5137                                                           "sambaSID", tmp_ctx);
5138         if (user_sid_string == NULL) {
5139                 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5140                           smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5141                 goto done;
5142         }
5143
5144         if (!string_to_sid(&user_sid, user_sid_string)) {
5145                 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5146                           user_sid_string));
5147                 goto done;
5148         }
5149
5150         sid_copy(sid, &user_sid);
5151
5152         store_uid_sid_cache(sid, uid);
5153         idmap_cache_set_sid2uid(sid, uid);
5154
5155         ret = true;
5156
5157  done:
5158         TALLOC_FREE(tmp_ctx);
5159         return ret;
5160 }
5161
5162 /**
5163  * Find the SID for a gid.
5164  * This is shortcut is only used if ldapsam:trusted is set to true.
5165  */
5166 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5167                                struct dom_sid *sid)
5168 {
5169         struct ldapsam_privates *priv =
5170                 (struct ldapsam_privates *)methods->private_data;
5171         char *filter;
5172         const char *attrs[] = { "sambaSID", NULL };
5173         LDAPMessage *result = NULL;
5174         LDAPMessage *entry = NULL;
5175         bool ret = false;
5176         char *group_sid_string;
5177         struct dom_sid group_sid;
5178         int rc;
5179         TALLOC_CTX *tmp_ctx = talloc_stackframe();
5180
5181         filter = talloc_asprintf(tmp_ctx,
5182                                  "(&(gidNumber=%u)"
5183                                  "(objectClass=%s))",
5184                                  (unsigned int)gid,
5185                                  LDAP_OBJ_GROUPMAP);
5186         if (filter == NULL) {
5187                 DEBUG(3, ("talloc_asprintf failed\n"));
5188                 goto done;
5189         }
5190
5191         rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5192         if (rc != LDAP_SUCCESS) {
5193                 goto done;
5194         }
5195         talloc_autofree_ldapmsg(tmp_ctx, result);
5196
5197         if (ldap_count_entries(priv2ld(priv), result) != 1) {
5198                 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5199                            ldap_count_entries(priv2ld(priv), result),
5200                            (unsigned int)gid));
5201                 goto done;
5202         }
5203
5204         entry = ldap_first_entry(priv2ld(priv), result);
5205
5206         group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5207                                                           "sambaSID", tmp_ctx);
5208         if (group_sid_string == NULL) {
5209                 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5210                           smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5211                 goto done;
5212         }
5213
5214         if (!string_to_sid(&group_sid, group_sid_string)) {
5215                 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5216                           group_sid_string));
5217                 goto done;
5218         }
5219
5220         sid_copy(sid, &group_sid);
5221
5222         store_gid_sid_cache(sid, gid);
5223         idmap_cache_set_sid2gid(sid, gid);
5224
5225         ret = true;
5226
5227  done:
5228         TALLOC_FREE(tmp_ctx);
5229         return ret;
5230 }
5231
5232
5233 /*
5234  * The following functions are called only if
5235  * ldapsam:trusted and ldapsam:editposix are
5236  * set to true
5237  */
5238
5239 /*
5240  * ldapsam_create_user creates a new
5241  * posixAccount and sambaSamAccount object
5242  * in the ldap users subtree
5243  *
5244  * The uid is allocated by winbindd.
5245  */
5246
5247 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5248                                     TALLOC_CTX *tmp_ctx, const char *name,
5249                                     uint32_t acb_info, uint32_t *rid)
5250 {
5251         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5252         LDAPMessage *entry = NULL;
5253         LDAPMessage *result = NULL;
5254         uint32_t num_result;
5255         bool is_machine = False;
5256         bool add_posix = False;
5257         LDAPMod **mods = NULL;
5258         struct samu *user;
5259         char *filter;
5260         char *username;
5261         char *homedir;
5262         char *gidstr;
5263         char *uidstr;
5264         char *shell;
5265         const char *dn = NULL;
5266         struct dom_sid group_sid;
5267         struct dom_sid user_sid;
5268         gid_t gid = -1;
5269         uid_t uid = -1;
5270         NTSTATUS ret;
5271         int rc;
5272
5273         if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5274               acb_info & ACB_WSTRUST ||
5275               acb_info & ACB_SVRTRUST ||
5276               acb_info & ACB_DOMTRUST) {
5277                 is_machine = True;
5278         }
5279
5280         username = escape_ldap_string(talloc_tos(), name);
5281         filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5282                                  username, LDAP_OBJ_POSIXACCOUNT);
5283         TALLOC_FREE(username);
5284
5285         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5286         if (rc != LDAP_SUCCESS) {
5287                 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5288                 return NT_STATUS_ACCESS_DENIED;
5289         }
5290         talloc_autofree_ldapmsg(tmp_ctx, result);
5291
5292         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5293
5294         if (num_result > 1) {
5295                 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5296                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5297         }
5298
5299         if (num_result == 1) {
5300                 char *tmp;
5301                 /* check if it is just a posix account.
5302                  * or if there is a sid attached to this entry
5303                  */
5304
5305                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5306                 if (!entry) {
5307                         return NT_STATUS_UNSUCCESSFUL;
5308                 }
5309
5310                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5311                 if (tmp) {
5312                         DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5313                         return NT_STATUS_USER_EXISTS;
5314                 }
5315
5316                 /* it is just a posix account, retrieve the dn for later use */
5317                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5318                 if (!dn) {
5319                         DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5320                         return NT_STATUS_NO_MEMORY;
5321                 }
5322         }
5323
5324         if (num_result == 0) {
5325                 add_posix = True;
5326         }
5327
5328         /* Create the basic samu structure and generate the mods for the ldap commit */
5329         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5330                 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5331                 return ret;
5332         }
5333
5334         sid_compose(&user_sid, get_global_sam_sid(), *rid);
5335
5336         user = samu_new(tmp_ctx);
5337         if (!user) {
5338                 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5339                 return NT_STATUS_NO_MEMORY;
5340         }
5341
5342         if (!pdb_set_username(user, name, PDB_SET)) {
5343                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5344                 return NT_STATUS_UNSUCCESSFUL;
5345         }
5346         if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5347                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5348                 return NT_STATUS_UNSUCCESSFUL;
5349         }
5350         if (is_machine) {
5351                 if (acb_info & ACB_NORMAL) {
5352                         if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5353                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5354                                 return NT_STATUS_UNSUCCESSFUL;
5355                         }
5356                 } else {
5357                         if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5358                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5359                                 return NT_STATUS_UNSUCCESSFUL;
5360                         }
5361                 }
5362         } else {
5363                 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5364                         DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5365                         return NT_STATUS_UNSUCCESSFUL;
5366                 }
5367         }
5368
5369         if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5370                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5371                 return NT_STATUS_UNSUCCESSFUL;
5372         }
5373
5374         if (!init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed)) {
5375                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5376                 return NT_STATUS_UNSUCCESSFUL;
5377         }
5378
5379         if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5380                 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5381         }
5382         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5383
5384         if (add_posix) {
5385                 char *escape_name;
5386
5387                 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5388
5389                 /* retrieve the Domain Users group gid */
5390                 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5391                     !sid_to_gid(&group_sid, &gid)) {
5392                         DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5393                         return NT_STATUS_INVALID_PRIMARY_GROUP;
5394                 }
5395
5396                 /* lets allocate a new userid for this user */
5397                 if (!winbind_allocate_uid(&uid)) {
5398                         DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5399                         return NT_STATUS_UNSUCCESSFUL;
5400                 }
5401
5402
5403                 if (is_machine) {
5404                         /* TODO: choose a more appropriate default for machines */
5405                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5406                         shell = talloc_strdup(tmp_ctx, "/bin/false");
5407                 } else {
5408                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5409                         shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5410                 }
5411                 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5412                 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5413
5414                 escape_name = escape_rdn_val_string_alloc(name);
5415                 if (!escape_name) {
5416                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5417                         return NT_STATUS_NO_MEMORY;
5418                 }
5419
5420                 if (is_machine) {
5421                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5422                 } else {
5423                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5424                 }
5425
5426                 SAFE_FREE(escape_name);
5427
5428                 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5429                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5430                         return NT_STATUS_NO_MEMORY;
5431                 }
5432
5433                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5434                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5435                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5436                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5437                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5438                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5439                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5440         }
5441
5442         talloc_autofree_ldapmod(tmp_ctx, mods);
5443
5444         if (add_posix) {
5445                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5446         } else {
5447                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5448         }
5449
5450         if (rc != LDAP_SUCCESS) {
5451                 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5452                 return NT_STATUS_UNSUCCESSFUL;
5453         }
5454
5455         DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5456
5457         flush_pwnam_cache();
5458
5459         return NT_STATUS_OK;
5460 }
5461
5462 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5463 {
5464         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5465         LDAPMessage *result = NULL;
5466         LDAPMessage *entry = NULL;
5467         int num_result;
5468         const char *dn;
5469         char *filter;
5470         int rc;
5471
5472         DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5473
5474         filter = talloc_asprintf(tmp_ctx,
5475                                  "(&(uid=%s)"
5476                                  "(objectClass=%s)"
5477                                  "(objectClass=%s))",
5478                                  pdb_get_username(sam_acct),
5479                                  LDAP_OBJ_POSIXACCOUNT,
5480                                  LDAP_OBJ_SAMBASAMACCOUNT);
5481         if (filter == NULL) {
5482                 return NT_STATUS_NO_MEMORY;
5483         }
5484
5485         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5486         if (rc != LDAP_SUCCESS) {
5487                 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5488                 return NT_STATUS_UNSUCCESSFUL;
5489         }
5490         talloc_autofree_ldapmsg(tmp_ctx, result);
5491
5492         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5493
5494         if (num_result == 0) {
5495                 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5496                 return NT_STATUS_NO_SUCH_USER;
5497         }
5498
5499         if (num_result > 1) {
5500                 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5501                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5502         }
5503
5504         entry = ldap_first_entry(priv2ld(ldap_state), result);
5505         if (!entry) {
5506                 return NT_STATUS_UNSUCCESSFUL;
5507         }
5508
5509         /* it is just a posix account, retrieve the dn for later use */
5510         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5511         if (!dn) {
5512                 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5513                 return NT_STATUS_NO_MEMORY;
5514         }
5515
5516         /* try to remove memberships first */
5517         {
5518                 NTSTATUS status;
5519                 struct dom_sid *sids = NULL;
5520                 gid_t *gids = NULL;
5521                 uint32_t num_groups = 0;
5522                 int i;
5523                 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5524
5525                 status = ldapsam_enum_group_memberships(my_methods,
5526                                                         tmp_ctx,
5527                                                         sam_acct,
5528                                                         &sids,
5529                                                         &gids,
5530                                                         &num_groups);
5531                 if (!NT_STATUS_IS_OK(status)) {
5532                         goto delete_dn;
5533                 }
5534
5535                 for (i=0; i < num_groups; i++) {
5536
5537                         uint32_t group_rid;
5538
5539                         sid_peek_rid(&sids[i], &group_rid);
5540
5541                         ldapsam_del_groupmem(my_methods,
5542                                              tmp_ctx,
5543                                              group_rid,
5544                                              user_rid);
5545                 }
5546         }
5547
5548  delete_dn:
5549
5550         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5551         if (rc != LDAP_SUCCESS) {
5552                 return NT_STATUS_UNSUCCESSFUL;
5553         }
5554
5555         flush_pwnam_cache();
5556
5557         return NT_STATUS_OK;
5558 }
5559
5560 /*
5561  * ldapsam_create_group creates a new
5562  * posixGroup and sambaGroupMapping object
5563  * in the ldap groups subtree
5564  *
5565  * The gid is allocated by winbindd.
5566  */
5567
5568 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5569                                          TALLOC_CTX *tmp_ctx,
5570                                          const char *name,
5571                                          uint32_t *rid)
5572 {
5573         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5574         NTSTATUS ret;
5575         LDAPMessage *entry = NULL;
5576         LDAPMessage *result = NULL;
5577         uint32_t num_result;
5578         bool is_new_entry = False;
5579         LDAPMod **mods = NULL;
5580         char *filter;
5581         char *groupsidstr;
5582         char *groupname;
5583         char *grouptype;
5584         char *gidstr;
5585         const char *dn = NULL;
5586         struct dom_sid group_sid;
5587         gid_t gid = -1;
5588         int rc;
5589
5590         groupname = escape_ldap_string(talloc_tos(), name);
5591         filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5592                                  groupname, LDAP_OBJ_POSIXGROUP);
5593         TALLOC_FREE(groupname);
5594
5595         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5596         if (rc != LDAP_SUCCESS) {
5597                 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5598                 return NT_STATUS_UNSUCCESSFUL;
5599         }
5600         talloc_autofree_ldapmsg(tmp_ctx, result);
5601
5602         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5603
5604         if (num_result > 1) {
5605                 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5606                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5607         }
5608
5609         if (num_result == 1) {
5610                 char *tmp;
5611                 /* check if it is just a posix group.
5612                  * or if there is a sid attached to this entry
5613                  */
5614
5615                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5616                 if (!entry) {
5617                         return NT_STATUS_UNSUCCESSFUL;
5618                 }
5619
5620                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5621                 if (tmp) {
5622                         DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5623                         return NT_STATUS_GROUP_EXISTS;
5624                 }
5625
5626                 /* it is just a posix group, retrieve the gid and the dn for later use */
5627                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5628                 if (!tmp) {
5629                         DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5630                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5631                 }
5632
5633                 gid = strtoul(tmp, NULL, 10);
5634
5635                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5636                 if (!dn) {
5637                         DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5638                         return NT_STATUS_NO_MEMORY;
5639                 }
5640         }
5641
5642         if (num_result == 0) {
5643                 is_new_entry = true;
5644         }
5645
5646         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5647                 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5648                 return ret;
5649         }
5650
5651         sid_compose(&group_sid, get_global_sam_sid(), *rid);
5652
5653         groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5654                                                                &group_sid));
5655         grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5656
5657         if (!groupsidstr || !grouptype) {
5658                 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5659                 return NT_STATUS_NO_MEMORY;
5660         }
5661
5662         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5663         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5664         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5665         smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5666
5667         if (is_new_entry) {
5668                 char *escape_name;
5669
5670                 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5671
5672                 /* lets allocate a new groupid for this group */
5673                 if (!winbind_allocate_gid(&gid)) {
5674                         DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5675                         return NT_STATUS_UNSUCCESSFUL;
5676                 }
5677
5678                 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5679
5680                 escape_name = escape_rdn_val_string_alloc(name);
5681                 if (!escape_name) {
5682                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5683                         return NT_STATUS_NO_MEMORY;
5684                 }
5685
5686                 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5687
5688                 SAFE_FREE(escape_name);
5689
5690                 if (!gidstr || !dn) {
5691                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5692                         return NT_STATUS_NO_MEMORY;
5693                 }
5694
5695                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5696                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5697                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5698         }
5699
5700         talloc_autofree_ldapmod(tmp_ctx, mods);
5701
5702         if (is_new_entry) {
5703                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5704 #if 0
5705                 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5706                         /* This call may fail with rfc2307bis schema */
5707                         /* Retry adding a structural class */
5708                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5709                         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5710                 }
5711 #endif
5712         } else {
5713                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5714         }
5715
5716         if (rc != LDAP_SUCCESS) {
5717                 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5718                 return NT_STATUS_UNSUCCESSFUL;
5719         }
5720
5721         DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5722
5723         return NT_STATUS_OK;
5724 }
5725
5726 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5727 {
5728         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5729         LDAPMessage *result = NULL;
5730         LDAPMessage *entry = NULL;
5731         int num_result;
5732         const char *dn;
5733         char *gidstr;
5734         char *filter;
5735         struct dom_sid group_sid;
5736         int rc;
5737
5738         /* get the group sid */
5739         sid_compose(&group_sid, get_global_sam_sid(), rid);
5740
5741         filter = talloc_asprintf(tmp_ctx,
5742                                  "(&(sambaSID=%s)"
5743                                  "(objectClass=%s)"
5744                                  "(objectClass=%s))",
5745                                  sid_string_talloc(tmp_ctx, &group_sid),
5746                                  LDAP_OBJ_POSIXGROUP,
5747                                  LDAP_OBJ_GROUPMAP);
5748         if (filter == NULL) {
5749                 return NT_STATUS_NO_MEMORY;
5750         }
5751
5752         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5753         if (rc != LDAP_SUCCESS) {
5754                 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5755                 return NT_STATUS_UNSUCCESSFUL;
5756         }
5757         talloc_autofree_ldapmsg(tmp_ctx, result);
5758
5759         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5760
5761         if (num_result == 0) {
5762                 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5763                 return NT_STATUS_NO_SUCH_GROUP;
5764         }
5765
5766         if (num_result > 1) {
5767                 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5768                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5769         }
5770
5771         entry = ldap_first_entry(priv2ld(ldap_state), result);
5772         if (!entry) {
5773                 return NT_STATUS_UNSUCCESSFUL;
5774         }
5775
5776         /* here it is, retrieve the dn for later use */
5777         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5778         if (!dn) {
5779                 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5780                 return NT_STATUS_NO_MEMORY;
5781         }
5782
5783         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5784         if (!gidstr) {
5785                 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5786                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5787         }
5788
5789         /* check no user have this group marked as primary group */
5790         filter = talloc_asprintf(tmp_ctx,
5791                                  "(&(gidNumber=%s)"
5792                                  "(objectClass=%s)"
5793                                  "(objectClass=%s))",
5794                                  gidstr,
5795                                  LDAP_OBJ_POSIXACCOUNT,
5796                                  LDAP_OBJ_SAMBASAMACCOUNT);
5797
5798         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5799         if (rc != LDAP_SUCCESS) {
5800                 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5801                 return NT_STATUS_UNSUCCESSFUL;
5802         }
5803         talloc_autofree_ldapmsg(tmp_ctx, result);
5804
5805         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5806
5807         if (num_result != 0) {
5808                 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5809                 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5810         }
5811
5812         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5813         if (rc != LDAP_SUCCESS) {
5814                 return NT_STATUS_UNSUCCESSFUL;
5815         }
5816
5817         return NT_STATUS_OK;
5818 }
5819
5820 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5821                                         TALLOC_CTX *tmp_ctx,
5822                                         uint32_t group_rid,
5823                                         uint32_t member_rid,
5824                                         int modop)
5825 {
5826         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5827         LDAPMessage *entry = NULL;
5828         LDAPMessage *result = NULL;
5829         uint32_t num_result;
5830         LDAPMod **mods = NULL;
5831         char *filter;
5832         char *uidstr;
5833         const char *dn = NULL;
5834         struct dom_sid group_sid;
5835         struct dom_sid member_sid;
5836         int rc;
5837
5838         switch (modop) {
5839         case LDAP_MOD_ADD:
5840                 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5841                 break;
5842         case LDAP_MOD_DELETE:
5843                 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5844                 break;
5845         default:
5846                 return NT_STATUS_UNSUCCESSFUL;
5847         }
5848
5849         /* get member sid  */
5850         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5851
5852         /* get the group sid */
5853         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5854
5855         filter = talloc_asprintf(tmp_ctx,
5856                                  "(&(sambaSID=%s)"
5857                                  "(objectClass=%s)"
5858                                  "(objectClass=%s))",
5859                                  sid_string_talloc(tmp_ctx, &member_sid),
5860                                  LDAP_OBJ_POSIXACCOUNT,
5861                                  LDAP_OBJ_SAMBASAMACCOUNT);
5862         if (filter == NULL) {
5863                 return NT_STATUS_NO_MEMORY;
5864         }
5865
5866         /* get the member uid */
5867         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5868         if (rc != LDAP_SUCCESS) {
5869                 DEBUG(1,("ldapsam_change_groupmem: member 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: member not found!\n"));
5878                 return NT_STATUS_NO_SUCH_MEMBER;
5879         }
5880
5881         if (num_result > 1) {
5882                 DEBUG (0, ("ldapsam_change_groupmem: More than one account 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         if (modop == LDAP_MOD_DELETE) {
5892                 /* check if we are trying to remove the member from his primary group */
5893                 char *gidstr;
5894                 gid_t user_gid, group_gid;
5895
5896                 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5897                 if (!gidstr) {
5898                         DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5899                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5900                 }
5901
5902                 user_gid = strtoul(gidstr, NULL, 10);
5903
5904                 if (!sid_to_gid(&group_sid, &group_gid)) {
5905                         DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5906                         return NT_STATUS_UNSUCCESSFUL;
5907                 }
5908
5909                 if (user_gid == group_gid) {
5910                         DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5911                         return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5912                 }
5913         }
5914
5915         /* here it is, retrieve the uid for later use */
5916         uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5917         if (!uidstr) {
5918                 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5919                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5920         }
5921
5922         filter = talloc_asprintf(tmp_ctx,
5923                                  "(&(sambaSID=%s)"
5924                                  "(objectClass=%s)"
5925                                  "(objectClass=%s))",
5926                                  sid_string_talloc(tmp_ctx, &group_sid),
5927                                  LDAP_OBJ_POSIXGROUP,
5928                                  LDAP_OBJ_GROUPMAP);
5929
5930         /* get the group */
5931         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5932         if (rc != LDAP_SUCCESS) {
5933                 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5934                 return NT_STATUS_UNSUCCESSFUL;
5935         }
5936         talloc_autofree_ldapmsg(tmp_ctx, result);
5937
5938         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5939
5940         if (num_result == 0) {
5941                 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5942                 return NT_STATUS_NO_SUCH_GROUP;
5943         }
5944
5945         if (num_result > 1) {
5946                 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5947                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5948         }
5949
5950         entry = ldap_first_entry(priv2ld(ldap_state), result);
5951         if (!entry) {
5952                 return NT_STATUS_UNSUCCESSFUL;
5953         }
5954
5955         /* here it is, retrieve the dn for later use */
5956         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5957         if (!dn) {
5958                 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5959                 return NT_STATUS_NO_MEMORY;
5960         }
5961
5962         smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5963
5964         talloc_autofree_ldapmod(tmp_ctx, mods);
5965
5966         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5967         if (rc != LDAP_SUCCESS) {
5968                 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5969                         DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5970                         return NT_STATUS_MEMBER_IN_GROUP;
5971                 }
5972                 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5973                         DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5974                         return NT_STATUS_MEMBER_NOT_IN_GROUP;
5975                 }
5976                 return NT_STATUS_UNSUCCESSFUL;
5977         }
5978
5979         return NT_STATUS_OK;
5980 }
5981
5982 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5983                                      TALLOC_CTX *tmp_ctx,
5984                                      uint32_t group_rid,
5985                                      uint32_t member_rid)
5986 {
5987         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5988 }
5989 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5990                                      TALLOC_CTX *tmp_ctx,
5991                                      uint32_t group_rid,
5992                                      uint32_t member_rid)
5993 {
5994         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5995 }
5996
5997 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5998                                           TALLOC_CTX *mem_ctx,
5999                                           struct samu *sampass)
6000 {
6001         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6002         LDAPMessage *entry = NULL;
6003         LDAPMessage *result = NULL;
6004         uint32_t num_result;
6005         LDAPMod **mods = NULL;
6006         char *filter;
6007         char *escape_username;
6008         char *gidstr;
6009         const char *dn = NULL;
6010         gid_t gid;
6011         int rc;
6012
6013         DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6014
6015         if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6016                 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6017                 return NT_STATUS_UNSUCCESSFUL;
6018         }
6019         gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6020         if (!gidstr) {
6021                 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6022                 return NT_STATUS_NO_MEMORY;
6023         }
6024
6025         escape_username = escape_ldap_string(talloc_tos(),
6026                                              pdb_get_username(sampass));
6027         if (escape_username== NULL) {
6028                 return NT_STATUS_NO_MEMORY;
6029         }
6030
6031         filter = talloc_asprintf(mem_ctx,
6032                                  "(&(uid=%s)"
6033                                  "(objectClass=%s)"
6034                                  "(objectClass=%s))",
6035                                  escape_username,
6036                                  LDAP_OBJ_POSIXACCOUNT,
6037                                  LDAP_OBJ_SAMBASAMACCOUNT);
6038
6039         TALLOC_FREE(escape_username);
6040
6041         if (filter == NULL) {
6042                 return NT_STATUS_NO_MEMORY;
6043         }
6044
6045         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6046         if (rc != LDAP_SUCCESS) {
6047                 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6048                 return NT_STATUS_UNSUCCESSFUL;
6049         }
6050         talloc_autofree_ldapmsg(mem_ctx, result);
6051
6052         num_result = ldap_count_entries(priv2ld(ldap_state), result);
6053
6054         if (num_result == 0) {
6055                 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6056                 return NT_STATUS_NO_SUCH_USER;
6057         }
6058
6059         if (num_result > 1) {
6060                 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6061                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6062         }
6063
6064         entry = ldap_first_entry(priv2ld(ldap_state), result);
6065         if (!entry) {
6066                 return NT_STATUS_UNSUCCESSFUL;
6067         }
6068
6069         /* retrieve the dn for later use */
6070         dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6071         if (!dn) {
6072                 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6073                 return NT_STATUS_NO_MEMORY;
6074         }
6075
6076         /* remove the old one, and add the new one, this way we do not risk races */
6077         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6078
6079         if (mods == NULL) {
6080                 return NT_STATUS_OK;
6081         }
6082
6083         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6084
6085         if (rc != LDAP_SUCCESS) {
6086                 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6087                          pdb_get_username(sampass), gidstr));
6088                 return NT_STATUS_UNSUCCESSFUL;
6089         }
6090
6091         flush_pwnam_cache();
6092
6093         return NT_STATUS_OK;
6094 }
6095
6096
6097 /**********************************************************************
6098  trusted domains functions
6099  *********************************************************************/
6100
6101 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6102                            const char *domain)
6103 {
6104         return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6105                                ldap_state->domain_dn);
6106 }
6107
6108 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6109                                   TALLOC_CTX *mem_ctx,
6110                                   const char *domain, LDAPMessage **entry)
6111 {
6112         int rc;
6113         char *filter;
6114         int scope = LDAP_SCOPE_SUBTREE;
6115         const char **attrs = NULL; /* NULL: get all attrs */
6116         int attrsonly = 0; /* 0: return values too */
6117         LDAPMessage *result = NULL;
6118         char *trusted_dn;
6119         uint32_t num_result;
6120
6121         filter = talloc_asprintf(talloc_tos(),
6122                                  "(&(objectClass=%s)(sambaDomainName=%s))",
6123                                  LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6124
6125         trusted_dn = trusteddom_dn(ldap_state, domain);
6126         if (trusted_dn == NULL) {
6127                 return False;
6128         }
6129         rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6130                             filter, attrs, attrsonly, &result);
6131
6132         if (result != NULL) {
6133                 talloc_autofree_ldapmsg(mem_ctx, result);
6134         }
6135
6136         if (rc == LDAP_NO_SUCH_OBJECT) {
6137                 *entry = NULL;
6138                 return True;
6139         }
6140
6141         if (rc != LDAP_SUCCESS) {
6142                 return False;
6143         }
6144
6145         num_result = ldap_count_entries(priv2ld(ldap_state), result);
6146
6147         if (num_result > 1) {
6148                 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6149                           "%s object for domain '%s'?!\n",
6150                           LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6151                 return False;
6152         }
6153
6154         if (num_result == 0) {
6155                 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6156                           "%s object for domain %s.\n",
6157                           LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6158                 *entry = NULL;
6159         } else {
6160                 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6161         }
6162
6163         return True;
6164 }
6165
6166 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6167                                       const char *domain,
6168                                       char** pwd,
6169                                       struct dom_sid *sid,
6170                                       time_t *pass_last_set_time)
6171 {
6172         struct ldapsam_privates *ldap_state =
6173                 (struct ldapsam_privates *)methods->private_data;
6174         LDAPMessage *entry = NULL;
6175
6176         DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6177
6178         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6179             (entry == NULL))
6180         {
6181                 return False;
6182         }
6183
6184         /* password */
6185         if (pwd != NULL) {
6186                 char *pwd_str;
6187                 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6188                                 entry, "sambaClearTextPassword", talloc_tos());
6189                 if (pwd_str == NULL) {
6190                         return False;
6191                 }
6192                 /* trusteddom_pw routines do not use talloc yet... */
6193                 *pwd = SMB_STRDUP(pwd_str);
6194                 if (*pwd == NULL) {
6195                         return False;
6196                 }
6197         }
6198
6199         /* last change time */
6200         if (pass_last_set_time != NULL) {
6201                 char *time_str;
6202                 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6203                                 entry, "sambaPwdLastSet", talloc_tos());
6204                 if (time_str == NULL) {
6205                         return False;
6206                 }
6207                 *pass_last_set_time = (time_t)atol(time_str);
6208         }
6209
6210         /* domain sid */
6211         if (sid != NULL) {
6212                 char *sid_str;
6213                 struct dom_sid dom_sid;
6214                 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6215                                                           entry, "sambaSID",
6216                                                           talloc_tos());
6217                 if (sid_str == NULL) {
6218                         return False;
6219                 }
6220                 if (!string_to_sid(&dom_sid, sid_str)) {
6221                         return False;
6222                 }
6223                 sid_copy(sid, &dom_sid);
6224         }
6225
6226         return True;
6227 }
6228
6229 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6230                                       const char* domain,
6231                                       const char* pwd,
6232                                       const struct dom_sid *sid)
6233 {
6234         struct ldapsam_privates *ldap_state =
6235                 (struct ldapsam_privates *)methods->private_data;
6236         LDAPMessage *entry = NULL;
6237         LDAPMod **mods = NULL;
6238         char *prev_pwd = NULL;
6239         char *trusted_dn = NULL;
6240         int rc;
6241
6242         DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6243
6244         /*
6245          * get the current entry (if there is one) in order to put the
6246          * current password into the previous password attribute
6247          */
6248         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6249                 return False;
6250         }
6251
6252         mods = NULL;
6253         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6254                          LDAP_OBJ_TRUSTDOM_PASSWORD);
6255         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6256                          domain);
6257         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6258                          sid_string_tos(sid));
6259         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6260                          talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6261         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6262                          "sambaClearTextPassword", pwd);
6263
6264         if (entry != NULL) {
6265                 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6266                                 entry, "sambaClearTextPassword", talloc_tos());
6267                 if (prev_pwd != NULL) {
6268                         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6269                                          "sambaPreviousClearTextPassword",
6270                                          prev_pwd);
6271                 }
6272         }
6273
6274         talloc_autofree_ldapmod(talloc_tos(), mods);
6275
6276         trusted_dn = trusteddom_dn(ldap_state, domain);
6277         if (trusted_dn == NULL) {
6278                 return False;
6279         }
6280         if (entry == NULL) {
6281                 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6282         } else {
6283                 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6284         }
6285
6286         if (rc != LDAP_SUCCESS) {
6287                 DEBUG(1, ("error writing trusted domain password!\n"));
6288                 return False;
6289         }
6290
6291         return True;
6292 }
6293
6294 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6295                                       const char *domain)
6296 {
6297         int rc;
6298         struct ldapsam_privates *ldap_state =
6299                 (struct ldapsam_privates *)methods->private_data;
6300         LDAPMessage *entry = NULL;
6301         const char *trusted_dn;
6302
6303         if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6304                 return False;
6305         }
6306
6307         if (entry == NULL) {
6308                 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6309                           "%s\n", domain));
6310                 return True;
6311         }
6312
6313         trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6314                                        entry);
6315         if (trusted_dn == NULL) {
6316                 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6317                 return False;
6318         }
6319
6320         rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6321         if (rc != LDAP_SUCCESS) {
6322                 return False;
6323         }
6324
6325         return True;
6326 }
6327
6328 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6329                                          TALLOC_CTX *mem_ctx,
6330                                          uint32_t *num_domains,
6331                                          struct trustdom_info ***domains)
6332 {
6333         int rc;
6334         struct ldapsam_privates *ldap_state =
6335                 (struct ldapsam_privates *)methods->private_data;
6336         char *filter;
6337         int scope = LDAP_SCOPE_SUBTREE;
6338         const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6339         int attrsonly = 0; /* 0: return values too */
6340         LDAPMessage *result = NULL;
6341         LDAPMessage *entry = NULL;
6342
6343         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6344                                  LDAP_OBJ_TRUSTDOM_PASSWORD);
6345
6346         rc = smbldap_search(ldap_state->smbldap_state,
6347                             ldap_state->domain_dn,
6348                             scope,
6349                             filter,
6350                             attrs,
6351                             attrsonly,
6352                             &result);
6353
6354         if (result != NULL) {
6355                 talloc_autofree_ldapmsg(mem_ctx, result);
6356         }
6357
6358         if (rc != LDAP_SUCCESS) {
6359                 return NT_STATUS_UNSUCCESSFUL;
6360         }
6361
6362         *num_domains = 0;
6363         if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6364                 DEBUG(1, ("talloc failed\n"));
6365                 return NT_STATUS_NO_MEMORY;
6366         }
6367
6368         for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6369              entry != NULL;
6370              entry = ldap_next_entry(priv2ld(ldap_state), entry))
6371         {
6372                 char *dom_name, *dom_sid_str;
6373                 struct trustdom_info *dom_info;
6374
6375                 dom_info = talloc(*domains, struct trustdom_info);
6376                 if (dom_info == NULL) {
6377                         DEBUG(1, ("talloc failed\n"));
6378                         return NT_STATUS_NO_MEMORY;
6379                 }
6380
6381                 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6382                                                            entry,
6383                                                            "sambaDomainName",
6384                                                            talloc_tos());
6385                 if (dom_name == NULL) {
6386                         DEBUG(1, ("talloc failed\n"));
6387                         return NT_STATUS_NO_MEMORY;
6388                 }
6389                 dom_info->name = dom_name;
6390
6391                 dom_sid_str = smbldap_talloc_single_attribute(
6392                                         priv2ld(ldap_state), entry, "sambaSID",
6393                                         talloc_tos());
6394                 if (dom_sid_str == NULL) {
6395                         DEBUG(1, ("talloc failed\n"));
6396                         return NT_STATUS_NO_MEMORY;
6397                 }
6398                 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6399                         DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6400                                   dom_sid_str));
6401                         return NT_STATUS_UNSUCCESSFUL;
6402                 }
6403
6404                 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6405                              domains, num_domains);
6406
6407                 if (*domains == NULL) {
6408                         DEBUG(1, ("talloc failed\n"));
6409                         return NT_STATUS_NO_MEMORY;
6410                 }
6411         }
6412
6413         DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6414         return NT_STATUS_OK;
6415 }
6416
6417
6418 /**********************************************************************
6419  Housekeeping
6420  *********************************************************************/
6421
6422 static void free_private_data(void **vp)
6423 {
6424         struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6425
6426         smbldap_free_struct(&(*ldap_state)->smbldap_state);
6427
6428         if ((*ldap_state)->result != NULL) {
6429                 ldap_msgfree((*ldap_state)->result);
6430                 (*ldap_state)->result = NULL;
6431         }
6432         if ((*ldap_state)->domain_dn != NULL) {
6433                 SAFE_FREE((*ldap_state)->domain_dn);
6434         }
6435
6436         *ldap_state = NULL;
6437
6438         /* No need to free any further, as it is talloc()ed */
6439 }
6440
6441 /*********************************************************************
6442  Intitalise the parts of the pdb_methods structure that are common to
6443  all pdb_ldap modes
6444 *********************************************************************/
6445
6446 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6447 {
6448         NTSTATUS nt_status;
6449         struct ldapsam_privates *ldap_state;
6450         char *bind_dn = NULL;
6451         char *bind_secret = NULL;
6452
6453         if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6454                 return nt_status;
6455         }
6456
6457         (*pdb_method)->name = "ldapsam";
6458
6459         (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6460         (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6461         (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6462         (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6463         (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6464         (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6465
6466         (*pdb_method)->getgrsid = ldapsam_getgrsid;
6467         (*pdb_method)->getgrgid = ldapsam_getgrgid;
6468         (*pdb_method)->getgrnam = ldapsam_getgrnam;
6469         (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6470         (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6471         (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6472         (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6473
6474         (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6475         (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6476
6477         (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6478
6479         (*pdb_method)->capabilities = ldapsam_capabilities;
6480         (*pdb_method)->new_rid = ldapsam_new_rid;
6481
6482         (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6483         (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6484         (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6485         (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6486
6487         /* TODO: Setup private data and free */
6488
6489         if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6490                 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6491                 return NT_STATUS_NO_MEMORY;
6492         }
6493
6494         if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6495                 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6496                 return NT_STATUS_NO_MEMORY;
6497         }
6498
6499         nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6500                                  location, false, bind_dn, bind_secret,
6501                                  &ldap_state->smbldap_state);
6502         memset(bind_secret, '\0', strlen(bind_secret));
6503         SAFE_FREE(bind_secret);
6504         SAFE_FREE(bind_dn);
6505         if ( !NT_STATUS_IS_OK(nt_status) ) {
6506                 return nt_status;
6507         }
6508
6509         if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6510                 return NT_STATUS_NO_MEMORY;
6511         }
6512
6513         (*pdb_method)->private_data = ldap_state;
6514
6515         (*pdb_method)->free_private_data = free_private_data;
6516
6517         return NT_STATUS_OK;
6518 }
6519
6520 /**********************************************************************
6521  Initialise the 'compat' mode for pdb_ldap
6522  *********************************************************************/
6523
6524 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6525 {
6526         NTSTATUS nt_status;
6527         struct ldapsam_privates *ldap_state;
6528         char *uri = talloc_strdup( NULL, location );
6529
6530         trim_char( uri, '\"', '\"' );
6531         nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6532         if ( uri )
6533                 TALLOC_FREE( uri );
6534
6535         if ( !NT_STATUS_IS_OK(nt_status) ) {
6536                 return nt_status;
6537         }
6538
6539         (*pdb_method)->name = "ldapsam_compat";
6540
6541         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6542         ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6543
6544         sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6545
6546         return NT_STATUS_OK;
6547 }
6548
6549 /**********************************************************************
6550  Initialise the normal mode for pdb_ldap
6551  *********************************************************************/
6552
6553 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6554 {
6555         NTSTATUS nt_status;
6556         struct ldapsam_privates *ldap_state = NULL;
6557         uint32_t alg_rid_base;
6558         char *alg_rid_base_string = NULL;
6559         LDAPMessage *result = NULL;
6560         LDAPMessage *entry = NULL;
6561         struct dom_sid ldap_domain_sid;
6562         struct dom_sid secrets_domain_sid;
6563         char *domain_sid_string = NULL;
6564         char *dn = NULL;
6565         char *uri = talloc_strdup( NULL, location );
6566
6567         trim_char( uri, '\"', '\"' );
6568         nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6569
6570         TALLOC_FREE(uri);
6571
6572         if (!NT_STATUS_IS_OK(nt_status)) {
6573                 return nt_status;
6574         }
6575
6576         (*pdb_method)->name = "ldapsam";
6577
6578         (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6579         (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6580         (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6581         (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6582         (*pdb_method)->search_users = ldapsam_search_users;
6583         (*pdb_method)->search_groups = ldapsam_search_groups;
6584         (*pdb_method)->search_aliases = ldapsam_search_aliases;
6585
6586         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6587                 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6588                 (*pdb_method)->enum_group_memberships =
6589                         ldapsam_enum_group_memberships;
6590                 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6591                 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6592                 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6593                 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6594
6595                 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6596                         (*pdb_method)->create_user = ldapsam_create_user;
6597                         (*pdb_method)->delete_user = ldapsam_delete_user;
6598                         (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6599                         (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6600                         (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6601                         (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6602                         (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6603                 }
6604         }
6605
6606         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6607         ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6608
6609         /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6610
6611         nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6612                                                &result,
6613                                                ldap_state->domain_name, True);
6614
6615         if ( !NT_STATUS_IS_OK(nt_status) ) {
6616                 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6617                           "info, nor add one to the domain. "
6618                           "We cannot work reliably without it.\n"));
6619                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6620         }
6621
6622         /* Given that the above might fail, everything below this must be
6623          * optional */
6624
6625         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6626                                  result);
6627         if (!entry) {
6628                 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6629                           "entry\n"));
6630                 ldap_msgfree(result);
6631                 return NT_STATUS_UNSUCCESSFUL;
6632         }
6633
6634         dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6635         if (!dn) {
6636                 ldap_msgfree(result);
6637                 return NT_STATUS_UNSUCCESSFUL;
6638         }
6639
6640         ldap_state->domain_dn = smb_xstrdup(dn);
6641         TALLOC_FREE(dn);
6642
6643         domain_sid_string = smbldap_talloc_single_attribute(
6644                     ldap_state->smbldap_state->ldap_struct,
6645                     entry,
6646                     get_userattr_key2string(ldap_state->schema_ver,
6647                                             LDAP_ATTR_USER_SID),
6648                     talloc_tos());
6649
6650         if (domain_sid_string) {
6651                 bool found_sid;
6652                 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6653                         DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6654                                   "read as a valid SID\n", domain_sid_string));
6655                         ldap_msgfree(result);
6656                         TALLOC_FREE(domain_sid_string);
6657                         return NT_STATUS_INVALID_PARAMETER;
6658                 }
6659                 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6660                                                      &secrets_domain_sid);
6661                 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6662                                              &ldap_domain_sid)) {
6663                         DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6664                                   "%s based on pdb_ldap results %s -> %s\n",
6665                                   ldap_state->domain_name,
6666                                   sid_string_dbg(&secrets_domain_sid),
6667                                   sid_string_dbg(&ldap_domain_sid)));
6668
6669                         /* reset secrets.tdb sid */
6670                         secrets_store_domain_sid(ldap_state->domain_name,
6671                                                  &ldap_domain_sid);
6672                         DEBUG(1, ("New global sam SID: %s\n",
6673                                   sid_string_dbg(get_global_sam_sid())));
6674                 }
6675                 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6676                 TALLOC_FREE(domain_sid_string);
6677         }
6678
6679         alg_rid_base_string = smbldap_talloc_single_attribute(
6680                     ldap_state->smbldap_state->ldap_struct,
6681                     entry,
6682                     get_attr_key2string( dominfo_attr_list,
6683                                          LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6684                     talloc_tos());
6685         if (alg_rid_base_string) {
6686                 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6687                 if (alg_rid_base != algorithmic_rid_base()) {
6688                         DEBUG(0, ("The value of 'algorithmic RID base' has "
6689                                   "changed since the LDAP\n"
6690                                   "database was initialised.  Aborting. \n"));
6691                         ldap_msgfree(result);
6692                         TALLOC_FREE(alg_rid_base_string);
6693                         return NT_STATUS_UNSUCCESSFUL;
6694                 }
6695                 TALLOC_FREE(alg_rid_base_string);
6696         }
6697         ldap_msgfree(result);
6698
6699         return NT_STATUS_OK;
6700 }
6701
6702 NTSTATUS pdb_ldap_init(void)
6703 {
6704         NTSTATUS nt_status;
6705         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6706                 return nt_status;
6707
6708         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6709                 return nt_status;
6710
6711         /* Let pdb_nds register backends */
6712         pdb_nds_init();
6713
6714         pdb_ipa_init();
6715
6716         return NT_STATUS_OK;
6717 }