source/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
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  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/SAM_ACCOUNT
  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
  48 #undef DBGC_CLASS
  49 #define DBGC_CLASS DBGC_PASSDB
  50
  51 #include <lber.h>
  52 #include <ldap.h>
  53
  54 /*
  55  * Work around versions of the LDAP client libs that don't have the OIDs
  56  * defined, or have them defined under the old name.
  57  * This functionality is really a factor of the server, not the client
  58  *
  59  */
  60
  61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
  62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
  63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
  64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
  65 #endif
  66
  67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
  68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
  69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
  70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID        ((ber_tag_t) 0x80U)
  71 #endif
  72
  73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
  74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
  75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
  76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW       ((ber_tag_t) 0x82U)
  77 #endif
  78
  79
  80 #ifndef SAM_ACCOUNT
  81 #define SAM_ACCOUNT struct sam_passwd
  82 #endif
  83
  84 #include "smbldap.h"
  85
  86 struct ldapsam_privates {
  87         struct smbldap_state *smbldap_state;
  88
  89         /* Former statics */
  90         LDAPMessage *result;
  91         LDAPMessage *entry;
  92         int index;
  93
  94         const char *domain_name;
  95         DOM_SID domain_sid;
  96
  97         /* configuration items */
  98         int schema_ver;
  99
 100         char *domain_dn;
 101 };
 102
 103 /**********************************************************************
 104  Free a LDAPMessage (one is stored on the SAM_ACCOUNT).
 105  **********************************************************************/
 106
 107 static void private_data_free_fn(void **result)
 108 {
 109         ldap_msgfree(*result);
 110         *result = NULL;
 111 }
 112
 113 /**********************************************************************
 114  Get the attribute name given a user schame version.
 115  **********************************************************************/
 116
 117 static const char* get_userattr_key2string( int schema_ver, int key )
 118 {
 119         switch ( schema_ver ) {
 120                 case SCHEMAVER_SAMBAACCOUNT:
 121                         return get_attr_key2string( attrib_map_v22, key );
 122
 123                 case SCHEMAVER_SAMBASAMACCOUNT:
 124                         return get_attr_key2string( attrib_map_v30, key );
 125
 126                 default:
 127                         DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
 128                         break;
 129         }
 130         return NULL;
 131 }
 132
 133 /**********************************************************************
 134  Return the list of attribute names given a user schema version.
 135 **********************************************************************/
 136
 137 static char** get_userattr_list( int schema_ver )
 138 {
 139         switch ( schema_ver ) {
 140                 case SCHEMAVER_SAMBAACCOUNT:
 141                         return get_attr_list( attrib_map_v22 );
 142
 143                 case SCHEMAVER_SAMBASAMACCOUNT:
 144                         return get_attr_list( attrib_map_v30 );
 145                 default:
 146                         DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
 147                         break;
 148         }
 149
 150         return NULL;
 151 }
 152
 153 /**************************************************************************
 154  Return the list of attribute names to delete given a user schema version.
 155 **************************************************************************/
 156
 157 static char** get_userattr_delete_list( int schema_ver )
 158 {
 159         switch ( schema_ver ) {
 160                 case SCHEMAVER_SAMBAACCOUNT:
 161                         return get_attr_list( attrib_map_to_delete_v22 );
 162
 163                 case SCHEMAVER_SAMBASAMACCOUNT:
 164                         return get_attr_list( attrib_map_to_delete_v30 );
 165                 default:
 166                         DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
 167                         break;
 168         }
 169
 170         return NULL;
 171 }
 172
 173
 174 /*******************************************************************
 175  Generate the LDAP search filter for the objectclass based on the
 176  version of the schema we are using.
 177 ******************************************************************/
 178
 179 static const char* get_objclass_filter( int schema_ver )
 180 {
 181         static fstring objclass_filter;
 182
 183         switch( schema_ver ) {
 184                 case SCHEMAVER_SAMBAACCOUNT:
 185                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
 186                         break;
 187                 case SCHEMAVER_SAMBASAMACCOUNT:
 188                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
 189                         break;
 190                 default:
 191                         DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
 192                         break;
 193         }
 194
 195         return objclass_filter;
 196 }
 197
 198 /*******************************************************************
 199  Run the search by name.
 200 ******************************************************************/
 201
 202 static int ldapsam_search_suffix_by_name (struct ldapsam_privates *ldap_state,
 203                                           const char *user,
 204                                           LDAPMessage ** result, char **attr)
 205 {
 206         pstring filter;
 207         char *escape_user = escape_ldap_string_alloc(user);
 208
 209         if (!escape_user) {
 210                 return LDAP_NO_MEMORY;
 211         }
 212
 213         /*
 214          * in the filter expression, replace %u with the real name
 215          * so in ldap filter, %u MUST exist :-)
 216          */
 217         pstr_sprintf(filter, "(&%s%s)", lp_ldap_filter(),
 218                 get_objclass_filter(ldap_state->schema_ver));
 219
 220         /*
 221          * have to use this here because $ is filtered out
 222            * in pstring_sub
 223          */
 224
 225
 226         all_string_sub(filter, "%u", escape_user, sizeof(pstring));
 227         SAFE_FREE(escape_user);
 228
 229         return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
 230 }
 231
 232 /*******************************************************************
 233  Run the search by rid.
 234 ******************************************************************/
 235
 236 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
 237                                          uint32 rid, LDAPMessage ** result,
 238                                          char **attr)
 239 {
 240         pstring filter;
 241         int rc;
 242
 243         pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
 244                 get_objclass_filter(ldap_state->schema_ver));
 245
 246         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
 247
 248         return rc;
 249 }
 250
 251 /*******************************************************************
 252  Run the search by SID.
 253 ******************************************************************/
 254
 255 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
 256                                          const DOM_SID *sid, LDAPMessage ** result,
 257                                          char **attr)
 258 {
 259         pstring filter;
 260         int rc;
 261         fstring sid_string;
 262
 263         pstr_sprintf(filter, "(&(%s=%s)%s)",
 264                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
 265                 sid_to_string(sid_string, sid),
 266                 get_objclass_filter(ldap_state->schema_ver));
 267
 268         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
 269
 270         return rc;
 271 }
 272
 273 /*******************************************************************
 274  Delete complete object or objectclass and attrs from
 275  object found in search_result depending on lp_ldap_delete_dn
 276 ******************************************************************/
 277
 278 static NTSTATUS ldapsam_delete_entry(struct ldapsam_privates *ldap_state,
 279                                      LDAPMessage *result,
 280                                      const char *objectclass,
 281                                      char **attrs)
 282 {
 283         int rc;
 284         LDAPMessage *entry = NULL;
 285         LDAPMod **mods = NULL;
 286         char *name, *dn;
 287         BerElement *ptr = NULL;
 288
 289         rc = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
 290
 291         if (rc != 1) {
 292                 DEBUG(0, ("ldapsam_delete_entry: Entry must exist exactly once!\n"));
 293                 return NT_STATUS_UNSUCCESSFUL;
 294         }
 295
 296         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
 297         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
 298         if (!dn) {
 299                 return NT_STATUS_UNSUCCESSFUL;
 300         }
 301
 302         if (lp_ldap_delete_dn()) {
 303                 NTSTATUS ret = NT_STATUS_OK;
 304                 rc = smbldap_delete(ldap_state->smbldap_state, dn);
 305
 306                 if (rc != LDAP_SUCCESS) {
 307                         DEBUG(0, ("ldapsam_delete_entry: Could not delete object %s\n", dn));
 308                         ret = NT_STATUS_UNSUCCESSFUL;
 309                 }
 310                 SAFE_FREE(dn);
 311                 return ret;
 312         }
 313
 314         /* Ok, delete only the SAM attributes */
 315
 316         for (name = ldap_first_attribute(ldap_state->smbldap_state->ldap_struct, entry, &ptr);
 317              name != NULL;
 318              name = ldap_next_attribute(ldap_state->smbldap_state->ldap_struct, entry, ptr)) {
 319                 char **attrib;
 320
 321                 /* We are only allowed to delete the attributes that
 322                    really exist. */
 323
 324                 for (attrib = attrs; *attrib != NULL; attrib++) {
 325                         /* Don't delete LDAP_ATTR_MOD_TIMESTAMP attribute. */
 326                         if (strequal(*attrib, get_userattr_key2string(ldap_state->schema_ver,
 327                                                 LDAP_ATTR_MOD_TIMESTAMP))) {
 328                                 continue;
 329                         }
 330                         if (strequal(*attrib, name)) {
 331                                 DEBUG(10, ("ldapsam_delete_entry: deleting "
 332                                            "attribute %s\n", name));
 333                                 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
 334                                                 NULL);
 335                         }
 336                 }
 337
 338                 ldap_memfree(name);
 339         }
 340
 341         if (ptr != NULL) {
 342                 ber_free(ptr, 0);
 343         }
 344
 345         smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
 346
 347         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
 348         ldap_mods_free(mods, True);
 349
 350         if (rc != LDAP_SUCCESS) {
 351                 char *ld_error = NULL;
 352                 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
 353                                 &ld_error);
 354
 355                 DEBUG(0, ("ldapsam_delete_entry: Could not delete attributes for %s, error: %s (%s)\n",
 356                           dn, ldap_err2string(rc), ld_error?ld_error:"unknown"));
 357                 SAFE_FREE(ld_error);
 358                 SAFE_FREE(dn);
 359                 return NT_STATUS_UNSUCCESSFUL;
 360         }
 361
 362         SAFE_FREE(dn);
 363         return NT_STATUS_OK;
 364 }
 365
 366 /* New Interface is being implemented here */
 367
 368 #if 0   /* JERRY - not uesed anymore */
 369
 370 /**********************************************************************
 371 Initialize SAM_ACCOUNT from an LDAP query (unix attributes only)
 372 *********************************************************************/
 373 static BOOL get_unix_attributes (struct ldapsam_privates *ldap_state,
 374                                 SAM_ACCOUNT * sampass,
 375                                 LDAPMessage * entry,
 376                                 gid_t *gid)
 377 {
 378         pstring  homedir;
 379         pstring  temp;
 380         char **ldap_values;
 381         char **values;
 382
 383         if ((ldap_values = ldap_get_values (ldap_state->smbldap_state->ldap_struct, entry, "objectClass")) == NULL) {
 384                 DEBUG (1, ("get_unix_attributes: no objectClass! \n"));
 385                 return False;
 386         }
 387
 388         for (values=ldap_values;*values;values++) {
 389                 if (strequal(*values, LDAP_OBJ_POSIXACCOUNT )) {
 390                         break;
 391                 }
 392         }
 393
 394         if (!*values) { /*end of array, no posixAccount */
 395                 DEBUG(10, ("user does not have %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
 396                 ldap_value_free(ldap_values);
 397                 return False;
 398         }
 399         ldap_value_free(ldap_values);
 400
 401         if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 402                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_UNIX_HOME), homedir) )
 403         {
 404                 return False;
 405         }
 406
 407         if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 408                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_GIDNUMBER), temp) )
 409         {
 410                 return False;
 411         }
 412
 413         *gid = (gid_t)atol(temp);
 414
 415         pdb_set_unix_homedir(sampass, homedir, PDB_SET);
 416
 417         DEBUG(10, ("user has %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
 418
 419         return True;
 420 }
 421
 422 #endif
 423
 424 static time_t ldapsam_get_entry_timestamp(
 425         struct ldapsam_privates *ldap_state,
 426         LDAPMessage * entry)
 427 {
 428         pstring temp;
 429         struct tm tm;
 430
 431         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 432                         get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
 433                         temp))
 434                 return (time_t) 0;
 435
 436         strptime(temp, "%Y%m%d%H%M%SZ", &tm);
 437         tzset();
 438         return timegm(&tm);
 439 }
 440
 441 /**********************************************************************
 442  Initialize SAM_ACCOUNT from an LDAP query.
 443  (Based on init_sam_from_buffer in pdb_tdb.c)
 444 *********************************************************************/
 445
 446 static BOOL init_sam_from_ldap (struct ldapsam_privates *ldap_state,
 447                                 SAM_ACCOUNT * sampass,
 448                                 LDAPMessage * entry)
 449 {
 450         time_t  logon_time,
 451                         logoff_time,
 452                         kickoff_time,
 453                         pass_last_set_time,
 454                         pass_can_change_time,
 455                         pass_must_change_time,
 456                         ldap_entry_time,
 457                         bad_password_time;
 458         pstring         username,
 459                         domain,
 460                         nt_username,
 461                         fullname,
 462                         homedir,
 463                         dir_drive,
 464                         logon_script,
 465                         profile_path,
 466                         acct_desc,
 467                         workstations;
 468         char            munged_dial[2048];
 469         uint32          user_rid;
 470         uint8           smblmpwd[LM_HASH_LEN],
 471                         smbntpwd[NT_HASH_LEN];
 472         uint16          acct_ctrl = 0,
 473                         logon_divs;
 474         uint16          bad_password_count = 0,
 475                         logon_count = 0;
 476         uint32 hours_len;
 477         uint8           hours[MAX_HOURS_LEN];
 478         pstring temp;
 479         LOGIN_CACHE     *cache_entry = NULL;
 480         int pwHistLen;
 481         pstring         tmpstring;
 482
 483         /*
 484          * do a little initialization
 485          */
 486         username[0]     = '\0';
 487         domain[0]       = '\0';
 488         nt_username[0]  = '\0';
 489         fullname[0]     = '\0';
 490         homedir[0]      = '\0';
 491         dir_drive[0]    = '\0';
 492         logon_script[0] = '\0';
 493         profile_path[0] = '\0';
 494         acct_desc[0]    = '\0';
 495         munged_dial[0]  = '\0';
 496         workstations[0] = '\0';
 497
 498
 499         if (sampass == NULL || ldap_state == NULL || entry == NULL) {
 500                 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
 501                 return False;
 502         }
 503
 504         if (ldap_state->smbldap_state->ldap_struct == NULL) {
 505                 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->ldap_struct is NULL!\n"));
 506                 return False;
 507         }
 508
 509         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, "uid", username)) {
 510                 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for this user!\n"));
 511                 return False;
 512         }
 513
 514         DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
 515
 516         pstrcpy(nt_username, username);
 517
 518         pstrcpy(domain, ldap_state->domain_name);
 519
 520         pdb_set_username(sampass, username, PDB_SET);
 521
 522         pdb_set_domain(sampass, domain, PDB_DEFAULT);
 523         pdb_set_nt_username(sampass, nt_username, PDB_SET);
 524
 525         /* deal with different attributes between the schema first */
 526
 527         if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
 528                 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 529                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
 530                         pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
 531                 }
 532
 533                 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 534                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_SID), temp)) {
 535                         pdb_set_group_sid_from_string(sampass, temp, PDB_SET);
 536                 } else {
 537                         pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
 538                 }
 539         } else {
 540                 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 541                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
 542                         user_rid = (uint32)atol(temp);
 543                         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
 544                 }
 545
 546                 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 547                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_RID), temp)) {
 548                         pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
 549                 } else {
 550                         uint32 group_rid;
 551
 552                         group_rid = (uint32)atol(temp);
 553
 554                         /* for some reason, we often have 0 as a primary group RID.
 555                            Make sure that we treat this just as a 'default' value */
 556
 557                         if ( group_rid > 0 )
 558                                 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
 559                         else
 560                                 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
 561                 }
 562         }
 563
 564         if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
 565                 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
 566                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
 567                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
 568                         username));
 569                 return False;
 570         }
 571
 572         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 573                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
 574                 /* leave as default */
 575         } else {
 576                 pass_last_set_time = (time_t) atol(temp);
 577                 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
 578         }
 579
 580         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 581                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
 582                 /* leave as default */
 583         } else {
 584                 logon_time = (time_t) atol(temp);
 585                 pdb_set_logon_time(sampass, logon_time, PDB_SET);
 586         }
 587
 588         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 589                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
 590                 /* leave as default */
 591         } else {
 592                 logoff_time = (time_t) atol(temp);
 593                 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
 594         }
 595
 596         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 597                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
 598                 /* leave as default */
 599         } else {
 600                 kickoff_time = (time_t) atol(temp);
 601                 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
 602         }
 603
 604         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 605                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
 606                 /* leave as default */
 607         } else {
 608                 pass_can_change_time = (time_t) atol(temp);
 609                 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
 610         }
 611
 612         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 613                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
 614                 /* leave as default */
 615         } else {
 616                 pass_must_change_time = (time_t) atol(temp);
 617                 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
 618         }
 619
 620         /* recommend that 'gecos' and 'displayName' should refer to the same
 621          * attribute OID.  userFullName depreciated, only used by Samba
 622          * primary rules of LDAP: don't make a new attribute when one is already defined
 623          * that fits your needs; using cn then displayName rather than 'userFullName'
 624          */
 625
 626         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 627                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
 628                 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 629                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
 630                         /* leave as default */
 631                 } else {
 632                         pdb_set_fullname(sampass, fullname, PDB_SET);
 633                 }
 634         } else {
 635                 pdb_set_fullname(sampass, fullname, PDB_SET);
 636         }
 637
 638         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 639                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
 640         {
 641                 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
 642         } else {
 643                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
 644         }
 645
 646         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 647                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
 648         {
 649                 pdb_set_homedir( sampass,
 650                         talloc_sub_basic(sampass->mem_ctx, username, lp_logon_home()),
 651                         PDB_DEFAULT );
 652         } else {
 653                 pstrcpy( tmpstring, homedir );
 654                 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
 655                 pdb_set_homedir(sampass, tmpstring, PDB_SET);
 656         }
 657
 658         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 659                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
 660         {
 661                 pdb_set_logon_script( sampass,
 662                         talloc_sub_basic(sampass->mem_ctx, username, lp_logon_script()),
 663                         PDB_DEFAULT );
 664         } else {
 665                 pstrcpy( tmpstring, logon_script );
 666                 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
 667                 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
 668         }
 669
 670         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 671                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
 672         {
 673                 pdb_set_profile_path( sampass,
 674                         talloc_sub_basic( sampass->mem_ctx, username, lp_logon_path()),
 675                         PDB_DEFAULT );
 676         } else {
 677                 pstrcpy( tmpstring, profile_path );
 678                 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
 679                 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
 680         }
 681
 682         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 683                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
 684         {
 685                 /* leave as default */
 686         } else {
 687                 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
 688         }
 689
 690         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 691                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
 692                 /* leave as default */;
 693         } else {
 694                 pdb_set_workstations(sampass, workstations, PDB_SET);
 695         }
 696
 697         if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
 698                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
 699                 /* leave as default */;
 700         } else {
 701                 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
 702         }
 703
 704         /* FIXME: hours stuff should be cleaner */
 705
 706         logon_divs = 168;
 707         hours_len = 21;
 708         memset(hours, 0xff, hours_len);
 709
 710         if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
 711                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
 712                 /* leave as default */
 713         } else {
 714                 pdb_gethexpwd(temp, smblmpwd);
 715                 memset((char *)temp, '\0', strlen(temp)+1);
 716                 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
 717                         return False;
 718                 ZERO_STRUCT(smblmpwd);
 719         }
 720
 721         if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
 722                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
 723                 /* leave as default */
 724         } else {
 725                 pdb_gethexpwd(temp, smbntpwd);
 726                 memset((char *)temp, '\0', strlen(temp)+1);
 727                 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
 728                         return False;
 729                 ZERO_STRUCT(smbntpwd);
 730         }
 731
 732         pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
 733         if (pwHistLen > 0){
 734                 uint8 *pwhist = NULL;
 735                 int i;
 736
 737                 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
 738                 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
 739
 740                 if ((pwhist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
 741                         DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
 742                         return False;
 743                 }
 744                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 745
 746                 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
 747                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), temp)) {
 748                         /* leave as default - zeros */
 749                 } else {
 750                         BOOL hex_failed = False;
 751                         for (i = 0; i < pwHistLen; i++){
 752                                 /* Get the 16 byte salt. */
 753                                 if (!pdb_gethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
 754                                         hex_failed = True;
 755                                         break;
 756                                 }
 757                                 /* Get the 16 byte MD5 hash of salt+passwd. */
 758                                 if (!pdb_gethexpwd(&temp[(i*64)+32],
 759                                                 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
 760                                         hex_failed = True;
 761                                         break;
 762                                 }
 763                         }
 764                         if (hex_failed) {
 765                                 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
 766                                         username));
 767                                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 768                         }
 769                 }
 770                 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
 771                         SAFE_FREE(pwhist);
 772                         return False;
 773                 }
 774                 SAFE_FREE(pwhist);
 775         }
 776
 777         if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
 778                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
 779                 acct_ctrl |= ACB_NORMAL;
 780         } else {
 781                 acct_ctrl = pdb_decode_acct_ctrl(temp);
 782
 783                 if (acct_ctrl == 0)
 784                         acct_ctrl |= ACB_NORMAL;
 785
 786                 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
 787         }
 788
 789         pdb_set_hours_len(sampass, hours_len, PDB_SET);
 790         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
 791
 792         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 793                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
 794                         /* leave as default */
 795         } else {
 796                 bad_password_count = (uint32) atol(temp);
 797                 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
 798         }
 799
 800         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 801                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
 802                 /* leave as default */
 803         } else {
 804                 bad_password_time = (time_t) atol(temp);
 805                 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
 806         }
 807
 808
 809         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 810                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
 811                         /* leave as default */
 812         } else {
 813                 logon_count = (uint32) atol(temp);
 814                 pdb_set_logon_count(sampass, logon_count, PDB_SET);
 815         }
 816
 817         /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
 818
 819         if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
 820                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
 821                         /* leave as default */
 822         } else {
 823                 pdb_gethexhours(temp, hours);
 824                 memset((char *)temp, '\0', strlen(temp) +1);
 825                 pdb_set_hours(sampass, hours, PDB_SET);
 826                 ZERO_STRUCT(hours);
 827         }
 828
 829         /* check the timestamp of the cache vs ldap entry */
 830         if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
 831                                                             entry)))
 832                 return True;
 833
 834         /* see if we have newer updates */
 835         if (!(cache_entry = login_cache_read(sampass))) {
 836                 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
 837                            (unsigned int)pdb_get_bad_password_count(sampass),
 838                            (unsigned int)pdb_get_bad_password_time(sampass)));
 839                 return True;
 840         }
 841
 842         DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
 843                   (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
 844                   (unsigned int)cache_entry->bad_password_time));
 845
 846         if (ldap_entry_time > cache_entry->entry_timestamp) {
 847                 /* cache is older than directory , so
 848                    we need to delete the entry but allow the
 849                    fields to be written out */
 850                 login_cache_delentry(sampass);
 851         } else {
 852                 /* read cache in */
 853                 pdb_set_acct_ctrl(sampass,
 854                                   pdb_get_acct_ctrl(sampass) |
 855                                   (cache_entry->acct_ctrl & ACB_AUTOLOCK),
 856                                   PDB_SET);
 857                 pdb_set_bad_password_count(sampass,
 858                                            cache_entry->bad_password_count,
 859                                            PDB_SET);
 860                 pdb_set_bad_password_time(sampass,
 861                                           cache_entry->bad_password_time,
 862                                           PDB_SET);
 863         }
 864
 865         SAFE_FREE(cache_entry);
 866         return True;
 867 }
 868
 869 /**********************************************************************
 870  Initialize the ldap db from a SAM_ACCOUNT. Called on update.
 871  (Based on init_buffer_from_sam in pdb_tdb.c)
 872 *********************************************************************/
 873
 874 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
 875                                 LDAPMessage *existing,
 876                                 LDAPMod *** mods, SAM_ACCOUNT * sampass,
 877                                 BOOL (*need_update)(const SAM_ACCOUNT *,
 878                                                     enum pdb_elements))
 879 {
 880         pstring temp;
 881         uint32 rid;
 882
 883         if (mods == NULL || sampass == NULL) {
 884                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
 885                 return False;
 886         }
 887
 888         *mods = NULL;
 889
 890         /*
 891          * took out adding "objectclass: sambaAccount"
 892          * do this on a per-mod basis
 893          */
 894         if (need_update(sampass, PDB_USERNAME))
 895                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 896                               "uid", pdb_get_username(sampass));
 897
 898         DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
 899
 900         /* only update the RID if we actually need to */
 901         if (need_update(sampass, PDB_USERSID)) {
 902                 fstring sid_string;
 903                 fstring dom_sid_string;
 904                 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
 905
 906                 switch ( ldap_state->schema_ver ) {
 907                         case SCHEMAVER_SAMBAACCOUNT:
 908                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
 909                                         DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
 910                                                 sid_to_string(sid_string, user_sid),
 911                                                 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
 912                                         return False;
 913                                 }
 914                                 slprintf(temp, sizeof(temp) - 1, "%i", rid);
 915                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 916                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
 917                                         temp);
 918                                 break;
 919
 920                         case SCHEMAVER_SAMBASAMACCOUNT:
 921                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 922                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
 923                                         sid_to_string(sid_string, user_sid));
 924                                 break;
 925
 926                         default:
 927                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
 928                                 break;
 929                 }
 930         }
 931
 932         /* we don't need to store the primary group RID - so leaving it
 933            'free' to hang off the unix primary group makes life easier */
 934
 935         if (need_update(sampass, PDB_GROUPSID)) {
 936                 fstring sid_string;
 937                 fstring dom_sid_string;
 938                 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
 939
 940                 switch ( ldap_state->schema_ver ) {
 941                         case SCHEMAVER_SAMBAACCOUNT:
 942                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
 943                                         DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
 944                                                 sid_to_string(sid_string, group_sid),
 945                                                 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
 946                                         return False;
 947                                 }
 948
 949                                 slprintf(temp, sizeof(temp) - 1, "%i", rid);
 950                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 951                                         get_userattr_key2string(ldap_state->schema_ver,
 952                                         LDAP_ATTR_PRIMARY_GROUP_RID), temp);
 953                                 break;
 954
 955                         case SCHEMAVER_SAMBASAMACCOUNT:
 956                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 957                                         get_userattr_key2string(ldap_state->schema_ver,
 958                                         LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
 959                                 break;
 960
 961                         default:
 962                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
 963                                 break;
 964                 }
 965
 966         }
 967
 968         /* displayName, cn, and gecos should all be the same
 969          *  most easily accomplished by giving them the same OID
 970          *  gecos isn't set here b/c it should be handled by the
 971          *  add-user script
 972          *  We change displayName only and fall back to cn if
 973          *  it does not exist.
 974          */
 975
 976         if (need_update(sampass, PDB_FULLNAME))
 977                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 978                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
 979                         pdb_get_fullname(sampass));
 980
 981         if (need_update(sampass, PDB_ACCTDESC))
 982                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 983                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
 984                         pdb_get_acct_desc(sampass));
 985
 986         if (need_update(sampass, PDB_WORKSTATIONS))
 987                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 988                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
 989                         pdb_get_workstations(sampass));
 990
 991         if (need_update(sampass, PDB_MUNGEDDIAL))
 992                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 993                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
 994                         pdb_get_munged_dial(sampass));
 995
 996         if (need_update(sampass, PDB_SMBHOME))
 997                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
 998                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
 999                         pdb_get_homedir(sampass));
1000
1001         if (need_update(sampass, PDB_DRIVE))
1002                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1003                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1004                         pdb_get_dir_drive(sampass));
1005
1006         if (need_update(sampass, PDB_LOGONSCRIPT))
1007                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1008                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1009                         pdb_get_logon_script(sampass));
1010
1011         if (need_update(sampass, PDB_PROFILE))
1012                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1013                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1014                         pdb_get_profile_path(sampass));
1015
1016         slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1017         if (need_update(sampass, PDB_LOGONTIME))
1018                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1019                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1020
1021         slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1022         if (need_update(sampass, PDB_LOGOFFTIME))
1023                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1024                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1025
1026         slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1027         if (need_update(sampass, PDB_KICKOFFTIME))
1028                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1029                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1030
1031         slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
1032         if (need_update(sampass, PDB_CANCHANGETIME))
1033                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1034                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1035
1036         slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1037         if (need_update(sampass, PDB_MUSTCHANGETIME))
1038                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1039                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1040
1041
1042         if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1043                         || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1044
1045                 if (need_update(sampass, PDB_LMPASSWD)) {
1046                         const uchar *lm_pw =  pdb_get_lanman_passwd(sampass);
1047                         if (lm_pw) {
1048                                 pdb_sethexpwd(temp, lm_pw,
1049                                               pdb_get_acct_ctrl(sampass));
1050                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1051                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1052                                                  temp);
1053                         } else {
1054                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1055                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1056                                                  NULL);
1057                         }
1058                 }
1059                 if (need_update(sampass, PDB_NTPASSWD)) {
1060                         const uchar *nt_pw =  pdb_get_nt_passwd(sampass);
1061                         if (nt_pw) {
1062                                 pdb_sethexpwd(temp, nt_pw,
1063                                               pdb_get_acct_ctrl(sampass));
1064                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1065                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1066                                                  temp);
1067                         } else {
1068                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1069                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1070                                                  NULL);
1071                         }
1072                 }
1073
1074                 if (need_update(sampass, PDB_PWHISTORY)) {
1075                         int pwHistLen = 0;
1076                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1077                         if (pwHistLen == 0) {
1078                                 /* Remove any password history from the LDAP store. */
1079                                 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1080                                 temp[64] = '\0';
1081                         } else {
1082                                 int i, currHistLen = 0;
1083                                 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1084                                 if (pwhist != NULL) {
1085                                         /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1086                                         pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1087                                         for (i=0; i< pwHistLen && i < currHistLen; i++) {
1088                                                 /* Store the salt. */
1089                                                 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1090                                                 /* Followed by the md5 hash of salt + md4 hash */
1091                                                 pdb_sethexpwd(&temp[(i*64)+32],
1092                                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1093                                                 DEBUG(100, ("temp=%s\n", temp));
1094                                         }
1095                                 }
1096                         }
1097                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1098                                          get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1099                                          temp);
1100                 }
1101
1102                 if (need_update(sampass, PDB_PASSLASTSET)) {
1103                         slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1104                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1105                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1106                                 temp);
1107                 }
1108         }
1109
1110         if (need_update(sampass, PDB_HOURS)) {
1111                 const char *hours = pdb_get_hours(sampass);
1112                 if (hours) {
1113                         pdb_sethexhours(temp, hours);
1114                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1115                                 existing,
1116                                 mods,
1117                                 get_userattr_key2string(ldap_state->schema_ver,
1118                                                 LDAP_ATTR_LOGON_HOURS),
1119                                 temp);
1120                 }
1121         }
1122
1123         if (need_update(sampass, PDB_ACCTCTRL))
1124                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1125                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1126                         pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1127
1128         /* password lockout cache:
1129            - If we are now autolocking or clearing, we write to ldap
1130            - If we are clearing, we delete the cache entry
1131            - If the count is > 0, we update the cache
1132
1133            This even means when autolocking, we cache, just in case the
1134            update doesn't work, and we have to cache the autolock flag */
1135
1136         if (need_update(sampass, PDB_BAD_PASSWORD_COUNT))  /* &&
1137             need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1138                 uint16 badcount = pdb_get_bad_password_count(sampass);
1139                 time_t badtime = pdb_get_bad_password_time(sampass);
1140                 uint32 pol;
1141                 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1142
1143                 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1144                         (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1145
1146                 if ((badcount >= pol) || (badcount == 0)) {
1147                         DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1148                                 (unsigned int)badcount, (unsigned int)badtime));
1149                         slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1150                         smbldap_make_mod(
1151                                 ldap_state->smbldap_state->ldap_struct,
1152                                 existing, mods,
1153                                 get_userattr_key2string(
1154                                         ldap_state->schema_ver,
1155                                         LDAP_ATTR_BAD_PASSWORD_COUNT),
1156                                 temp);
1157
1158                         slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1159                         smbldap_make_mod(
1160                                 ldap_state->smbldap_state->ldap_struct,
1161                                 existing, mods,
1162                                 get_userattr_key2string(
1163                                         ldap_state->schema_ver,
1164                                         LDAP_ATTR_BAD_PASSWORD_TIME),
1165                                 temp);
1166                 }
1167                 if (badcount == 0) {
1168                         DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1169                         login_cache_delentry(sampass);
1170                 } else {
1171                         LOGIN_CACHE cache_entry;
1172
1173                         cache_entry.entry_timestamp = time(NULL);
1174                         cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1175                         cache_entry.bad_password_count = badcount;
1176                         cache_entry.bad_password_time = badtime;
1177
1178                         DEBUG(7, ("Updating bad password count and time in login cache\n"));
1179                         login_cache_write(sampass, cache_entry);
1180                 }
1181         }
1182
1183         return True;
1184 }
1185
1186 /**********************************************************************
1187  Connect to LDAP server for password enumeration.
1188 *********************************************************************/
1189
1190 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint16 acb_mask)
1191 {
1192         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1193         int rc;
1194         pstring filter, suffix;
1195         char **attr_list;
1196         BOOL machine_mask = False, user_mask = False;
1197
1198         pstr_sprintf( filter, "(&%s%s)", lp_ldap_filter(),
1199                 get_objclass_filter(ldap_state->schema_ver));
1200         all_string_sub(filter, "%u", "*", sizeof(pstring));
1201
1202         machine_mask    = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1203         user_mask       = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1204
1205         if (machine_mask) {
1206                 pstrcpy(suffix, lp_ldap_machine_suffix());
1207         } else if (user_mask) {
1208                 pstrcpy(suffix, lp_ldap_user_suffix());
1209         } else {
1210                 pstrcpy(suffix, lp_ldap_suffix());
1211         }
1212
1213         DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1214                 acb_mask, suffix));
1215
1216         attr_list = get_userattr_list(ldap_state->schema_ver);
1217         rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1218                             attr_list, 0, &ldap_state->result);
1219         free_attr_list( attr_list );
1220
1221         if (rc != LDAP_SUCCESS) {
1222                 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1223                 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1224                 ldap_msgfree(ldap_state->result);
1225                 ldap_state->result = NULL;
1226                 return NT_STATUS_UNSUCCESSFUL;
1227         }
1228
1229         DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1230                 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1231                 ldap_state->result), suffix));
1232
1233         ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1234                                  ldap_state->result);
1235         ldap_state->index = 0;
1236
1237         return NT_STATUS_OK;
1238 }
1239
1240 /**********************************************************************
1241  End enumeration of the LDAP password list.
1242 *********************************************************************/
1243
1244 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1245 {
1246         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1247         if (ldap_state->result) {
1248                 ldap_msgfree(ldap_state->result);
1249                 ldap_state->result = NULL;
1250         }
1251 }
1252
1253 /**********************************************************************
1254 Get the next entry in the LDAP password database.
1255 *********************************************************************/
1256
1257 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user)
1258 {
1259         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1260         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1261         BOOL bret = False;
1262
1263         while (!bret) {
1264                 if (!ldap_state->entry)
1265                         return ret;
1266
1267                 ldap_state->index++;
1268                 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1269
1270                 ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
1271                                             ldap_state->entry);
1272         }
1273
1274         return NT_STATUS_OK;
1275 }
1276
1277 static void append_attr(char ***attr_list, const char *new_attr)
1278 {
1279         int i;
1280
1281         if (new_attr == NULL) {
1282                 return;
1283         }
1284
1285         for (i=0; (*attr_list)[i] != NULL; i++) {
1286                 ;
1287         }
1288
1289         (*attr_list) = SMB_REALLOC_ARRAY((*attr_list), char *,  i+2);
1290         SMB_ASSERT((*attr_list) != NULL);
1291         (*attr_list)[i] = SMB_STRDUP(new_attr);
1292         (*attr_list)[i+1] = NULL;
1293 }
1294
1295 /**********************************************************************
1296 Get SAM_ACCOUNT entry from LDAP by username.
1297 *********************************************************************/
1298
1299 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname)
1300 {
1301         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1302         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1303         LDAPMessage *result = NULL;
1304         LDAPMessage *entry = NULL;
1305         int count;
1306         char ** attr_list;
1307         int rc;
1308
1309         attr_list = get_userattr_list( ldap_state->schema_ver );
1310         append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
1311         rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
1312         free_attr_list( attr_list );
1313
1314         if ( rc != LDAP_SUCCESS )
1315                 return NT_STATUS_NO_SUCH_USER;
1316
1317         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1318
1319         if (count < 1) {
1320                 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1321                 ldap_msgfree(result);
1322                 return NT_STATUS_NO_SUCH_USER;
1323         } else if (count > 1) {
1324                 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1325                 ldap_msgfree(result);
1326                 return NT_STATUS_NO_SUCH_USER;
1327         }
1328
1329         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1330         if (entry) {
1331                 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1332                         DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1333                         ldap_msgfree(result);
1334                         return NT_STATUS_NO_SUCH_USER;
1335                 }
1336                 pdb_set_backend_private_data(user, result,
1337                                              private_data_free_fn,
1338                                              my_methods, PDB_CHANGED);
1339                 ret = NT_STATUS_OK;
1340         } else {
1341                 ldap_msgfree(result);
1342         }
1343         return ret;
1344 }
1345
1346 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1347                                    const DOM_SID *sid, LDAPMessage **result)
1348 {
1349         int rc = -1;
1350         char ** attr_list;
1351         uint32 rid;
1352
1353         switch ( ldap_state->schema_ver ) {
1354                 case SCHEMAVER_SAMBASAMACCOUNT:
1355                         attr_list = get_userattr_list(ldap_state->schema_ver);
1356                         append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
1357                         rc = ldapsam_search_suffix_by_sid(ldap_state, sid, result, attr_list);
1358                         free_attr_list( attr_list );
1359
1360                         if ( rc != LDAP_SUCCESS )
1361                                 return rc;
1362                         break;
1363
1364                 case SCHEMAVER_SAMBAACCOUNT:
1365                         if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1366                                 return rc;
1367                         }
1368
1369                         attr_list = get_userattr_list(ldap_state->schema_ver);
1370                         rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1371                         free_attr_list( attr_list );
1372
1373                         if ( rc != LDAP_SUCCESS )
1374                                 return rc;
1375                         break;
1376         }
1377         return rc;
1378 }
1379
1380 /**********************************************************************
1381  Get SAM_ACCOUNT entry from LDAP by SID.
1382 *********************************************************************/
1383
1384 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
1385 {
1386         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1387         LDAPMessage *result = NULL;
1388         LDAPMessage *entry = NULL;
1389         int count;
1390         int rc;
1391         fstring sid_string;
1392
1393         rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1394                                           sid, &result);
1395         if (rc != LDAP_SUCCESS)
1396                 return NT_STATUS_NO_SUCH_USER;
1397
1398         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1399
1400         if (count < 1) {
1401                 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1402                        count));
1403                 ldap_msgfree(result);
1404                 return NT_STATUS_NO_SUCH_USER;
1405         }  else if (count > 1) {
1406                 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1407                        count));
1408                 ldap_msgfree(result);
1409                 return NT_STATUS_NO_SUCH_USER;
1410         }
1411
1412         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1413         if (!entry) {
1414                 ldap_msgfree(result);
1415                 return NT_STATUS_NO_SUCH_USER;
1416         }
1417
1418         if (!init_sam_from_ldap(ldap_state, user, entry)) {
1419                 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1420                 ldap_msgfree(result);
1421                 return NT_STATUS_NO_SUCH_USER;
1422         }
1423
1424         pdb_set_backend_private_data(user, result,
1425                                      private_data_free_fn,
1426                                      my_methods, PDB_CHANGED);
1427         return NT_STATUS_OK;
1428 }
1429
1430 static BOOL ldapsam_can_pwchange_exop(struct smbldap_state *ldap_state)
1431 {
1432         return smbldap_has_extension(ldap_state, LDAP_EXOP_MODIFY_PASSWD);
1433 }
1434
1435 /********************************************************************
1436  Do the actual modification - also change a plaintext passord if
1437  it it set.
1438 **********************************************************************/
1439
1440 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1441                                      SAM_ACCOUNT *newpwd, char *dn,
1442                                      LDAPMod **mods, int ldap_op,
1443                                      BOOL (*need_update)(const SAM_ACCOUNT *, enum pdb_elements))
1444 {
1445         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1446         int rc;
1447
1448         if (!my_methods || !newpwd || !dn) {
1449                 return NT_STATUS_INVALID_PARAMETER;
1450         }
1451
1452         if (!mods) {
1453                 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1454                 /* may be password change below however */
1455         } else {
1456                 switch(ldap_op) {
1457                         case LDAP_MOD_ADD:
1458                                 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1459                                                 "objectclass",
1460                                                 LDAP_OBJ_ACCOUNT);
1461                                 rc = smbldap_add(ldap_state->smbldap_state,
1462                                                  dn, mods);
1463                                 break;
1464                         case LDAP_MOD_REPLACE:
1465                                 rc = smbldap_modify(ldap_state->smbldap_state,
1466                                                     dn ,mods);
1467                                 break;
1468                         default:
1469                                 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1470                                          ldap_op));
1471                                 return NT_STATUS_INVALID_PARAMETER;
1472                 }
1473
1474                 if (rc!=LDAP_SUCCESS) {
1475                         char *ld_error = NULL;
1476                         ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1477                                         &ld_error);
1478                         DEBUG(1, ("ldapsam_modify_entry: Failed to %s user dn= %s with: %s\n\t%s\n",
1479                                ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1480                                dn, ldap_err2string(rc),
1481                                ld_error?ld_error:"unknown"));
1482                         SAFE_FREE(ld_error);
1483                         return NT_STATUS_UNSUCCESSFUL;
1484                 }
1485         }
1486
1487         if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1488                         (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1489                         need_update(newpwd, PDB_PLAINTEXT_PW) &&
1490                         (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1491                 BerElement *ber;
1492                 struct berval *bv;
1493                 char *retoid;
1494                 struct berval *retdata;
1495                 char *utf8_password;
1496                 char *utf8_dn;
1497
1498                 if (!ldapsam_can_pwchange_exop(ldap_state->smbldap_state)) {
1499                         DEBUG(2, ("ldap password change requested, but LDAP "
1500                                   "server does not support it -- ignoring\n"));
1501                         return NT_STATUS_OK;
1502                 }
1503
1504                 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1505                         return NT_STATUS_NO_MEMORY;
1506                 }
1507
1508                 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1509                         return NT_STATUS_NO_MEMORY;
1510                 }
1511
1512                 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1513                         DEBUG(0,("ber_alloc_t returns NULL\n"));
1514                         SAFE_FREE(utf8_password);
1515                         return NT_STATUS_UNSUCCESSFUL;
1516                 }
1517
1518                 ber_printf (ber, "{");
1519                 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1520                 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1521                 ber_printf (ber, "N}");
1522
1523                 if ((rc = ber_flatten (ber, &bv))<0) {
1524                         DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1525                         ber_free(ber,1);
1526                         SAFE_FREE(utf8_dn);
1527                         SAFE_FREE(utf8_password);
1528                         return NT_STATUS_UNSUCCESSFUL;
1529                 }
1530
1531                 SAFE_FREE(utf8_dn);
1532                 SAFE_FREE(utf8_password);
1533                 ber_free(ber, 1);
1534
1535                 if ((rc = smbldap_extended_operation(ldap_state->smbldap_state,
1536                                                      LDAP_EXOP_MODIFY_PASSWD,
1537                                                      bv, NULL, NULL, &retoid,
1538                                                      &retdata)) != LDAP_SUCCESS) {
1539                         char *ld_error = NULL;
1540
1541                         if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1542                                 DEBUG(3, ("Could not set userPassword "
1543                                           "attribute due to an objectClass "
1544                                           "violation -- ignoring\n"));
1545                                 ber_bvfree(bv);
1546                                 return NT_STATUS_OK;
1547                         }
1548
1549                         ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1550                                         &ld_error);
1551                         DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1552                                 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1553                         SAFE_FREE(ld_error);
1554                         ber_bvfree(bv);
1555                         return NT_STATUS_UNSUCCESSFUL;
1556                 } else {
1557                         DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1558 #ifdef DEBUG_PASSWORD
1559                         DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1560 #endif
1561                         ber_bvfree(retdata);
1562                         ber_memfree(retoid);
1563                 }
1564                 ber_bvfree(bv);
1565         }
1566         return NT_STATUS_OK;
1567 }
1568
1569 /**********************************************************************
1570  Delete entry from LDAP for username.
1571 *********************************************************************/
1572
1573 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * sam_acct)
1574 {
1575         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1576         const char *sname;
1577         int rc;
1578         LDAPMessage *result = NULL;
1579         NTSTATUS ret;
1580         char **attr_list;
1581         fstring objclass;
1582
1583         if (!sam_acct) {
1584                 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1585                 return NT_STATUS_INVALID_PARAMETER;
1586         }
1587
1588         sname = pdb_get_username(sam_acct);
1589
1590         DEBUG (3, ("ldapsam_delete_sam_account: Deleting user %s from LDAP.\n", sname));
1591
1592         attr_list= get_userattr_delete_list( ldap_state->schema_ver );
1593         rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
1594
1595         if (rc != LDAP_SUCCESS)  {
1596                 free_attr_list( attr_list );
1597                 return NT_STATUS_NO_SUCH_USER;
1598         }
1599
1600         switch ( ldap_state->schema_ver ) {
1601                 case SCHEMAVER_SAMBASAMACCOUNT:
1602                         fstrcpy( objclass, LDAP_OBJ_SAMBASAMACCOUNT );
1603                         break;
1604
1605                 case SCHEMAVER_SAMBAACCOUNT:
1606                         fstrcpy( objclass, LDAP_OBJ_SAMBAACCOUNT );
1607                         break;
1608                 default:
1609                         fstrcpy( objclass, "UNKNOWN" );
1610                         DEBUG(0,("ldapsam_delete_sam_account: Unknown schema version specified!\n"));
1611                                 break;
1612         }
1613
1614         ret = ldapsam_delete_entry(ldap_state, result, objclass, attr_list );
1615         ldap_msgfree(result);
1616         free_attr_list( attr_list );
1617
1618         return ret;
1619 }
1620
1621 /**********************************************************************
1622  Helper function to determine for update_sam_account whether
1623  we need LDAP modification.
1624 *********************************************************************/
1625
1626 static BOOL element_is_changed(const SAM_ACCOUNT *sampass,
1627                                enum pdb_elements element)
1628 {
1629         return IS_SAM_CHANGED(sampass, element);
1630 }
1631
1632 /**********************************************************************
1633  Update SAM_ACCOUNT.
1634 *********************************************************************/
1635
1636 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1637 {
1638         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1639         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1640         int rc = 0;
1641         char *dn;
1642         LDAPMessage *result = NULL;
1643         LDAPMessage *entry = NULL;
1644         LDAPMod **mods = NULL;
1645         char **attr_list;
1646
1647         result = pdb_get_backend_private_data(newpwd, my_methods);
1648         if (!result) {
1649                 attr_list = get_userattr_list(ldap_state->schema_ver);
1650                 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1651                 free_attr_list( attr_list );
1652                 if (rc != LDAP_SUCCESS) {
1653                         return NT_STATUS_UNSUCCESSFUL;
1654                 }
1655                 pdb_set_backend_private_data(newpwd, result, private_data_free_fn, my_methods, PDB_CHANGED);
1656         }
1657
1658         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1659                 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1660                 return NT_STATUS_UNSUCCESSFUL;
1661         }
1662
1663         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1664         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1665         if (!dn) {
1666                 return NT_STATUS_UNSUCCESSFUL;
1667         }
1668
1669         DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1670
1671         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1672                                 element_is_changed)) {
1673                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1674                 SAFE_FREE(dn);
1675                 if (mods != NULL)
1676                         ldap_mods_free(mods,True);
1677                 return NT_STATUS_UNSUCCESSFUL;
1678         }
1679
1680         if (mods == NULL) {
1681                 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1682                          pdb_get_username(newpwd)));
1683                 SAFE_FREE(dn);
1684                 return NT_STATUS_OK;
1685         }
1686
1687         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1688         ldap_mods_free(mods,True);
1689         SAFE_FREE(dn);
1690
1691         if (!NT_STATUS_IS_OK(ret)) {
1692                 char *ld_error = NULL;
1693                 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1694                                 &ld_error);
1695                 DEBUG(0,("ldapsam_update_sam_account: failed to modify user with uid = %s, error: %s (%s)\n",
1696                          pdb_get_username(newpwd), ld_error?ld_error:"(unknwon)", ldap_err2string(rc)));
1697                 SAFE_FREE(ld_error);
1698                 return ret;
1699         }
1700
1701         DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1702                   pdb_get_username(newpwd)));
1703         return NT_STATUS_OK;
1704 }
1705
1706 /**********************************************************************
1707  Helper function to determine for update_sam_account whether
1708  we need LDAP modification.
1709  *********************************************************************/
1710
1711 static BOOL element_is_set_or_changed(const SAM_ACCOUNT *sampass,
1712                                       enum pdb_elements element)
1713 {
1714         return (IS_SAM_SET(sampass, element) ||
1715                 IS_SAM_CHANGED(sampass, element));
1716 }
1717
1718 /**********************************************************************
1719  Add SAM_ACCOUNT to LDAP.
1720 *********************************************************************/
1721
1722 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1723 {
1724         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1725         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1726         int rc;
1727         LDAPMessage     *result = NULL;
1728         LDAPMessage     *entry  = NULL;
1729         pstring         dn;
1730         LDAPMod         **mods = NULL;
1731         int             ldap_op = LDAP_MOD_REPLACE;
1732         uint32          num_result;
1733         char            **attr_list;
1734         char            *escape_user;
1735         const char      *username = pdb_get_username(newpwd);
1736         const DOM_SID   *sid = pdb_get_user_sid(newpwd);
1737         pstring         filter;
1738         fstring         sid_string;
1739
1740         if (!username || !*username) {
1741                 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1742                 return NT_STATUS_INVALID_PARAMETER;
1743         }
1744
1745         /* free this list after the second search or in case we exit on failure */
1746         attr_list = get_userattr_list(ldap_state->schema_ver);
1747
1748         rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1749
1750         if (rc != LDAP_SUCCESS) {
1751                 free_attr_list( attr_list );
1752                 return NT_STATUS_UNSUCCESSFUL;
1753         }
1754
1755         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1756                 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1757                          username));
1758                 ldap_msgfree(result);
1759                 free_attr_list( attr_list );
1760                 return NT_STATUS_UNSUCCESSFUL;
1761         }
1762         ldap_msgfree(result);
1763         result = NULL;
1764
1765         if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1766                 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1767                                                   sid, &result);
1768                 if (rc == LDAP_SUCCESS) {
1769                         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1770                                 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1771                                          sid_to_string(sid_string, sid)));
1772                                 free_attr_list( attr_list );
1773                                 ldap_msgfree(result);
1774                                 return NT_STATUS_UNSUCCESSFUL;
1775                         }
1776                         ldap_msgfree(result);
1777                 }
1778         }
1779
1780         /* does the entry already exist but without a samba attributes?
1781            we need to return the samba attributes here */
1782
1783         escape_user = escape_ldap_string_alloc( username );
1784         pstrcpy( filter, lp_ldap_filter() );
1785         all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1786         SAFE_FREE( escape_user );
1787
1788         rc = smbldap_search_suffix(ldap_state->smbldap_state,
1789                                    filter, attr_list, &result);
1790         if ( rc != LDAP_SUCCESS ) {
1791                 free_attr_list( attr_list );
1792                 return NT_STATUS_UNSUCCESSFUL;
1793         }
1794
1795         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1796
1797         if (num_result > 1) {
1798                 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1799                 free_attr_list( attr_list );
1800                 ldap_msgfree(result);
1801                 return NT_STATUS_UNSUCCESSFUL;
1802         }
1803
1804         /* Check if we need to update an existing entry */
1805         if (num_result == 1) {
1806                 char *tmp;
1807
1808                 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1809                 ldap_op = LDAP_MOD_REPLACE;
1810                 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1811                 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1812                 if (!tmp) {
1813                         free_attr_list( attr_list );
1814                         ldap_msgfree(result);
1815                         return NT_STATUS_UNSUCCESSFUL;
1816                 }
1817                 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1818                 SAFE_FREE(tmp);
1819
1820         } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1821
1822                 /* There might be a SID for this account already - say an idmap entry */
1823
1824                 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
1825                          get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1826                          sid_to_string(sid_string, sid),
1827                          LDAP_OBJ_IDMAP_ENTRY,
1828                          LDAP_OBJ_SID_ENTRY);
1829
1830                 /* free old result before doing a new search */
1831                 if (result != NULL) {
1832                         ldap_msgfree(result);
1833                         result = NULL;
1834                 }
1835                 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1836                                            filter, attr_list, &result);
1837
1838                 if ( rc != LDAP_SUCCESS ) {
1839                         free_attr_list( attr_list );
1840                         return NT_STATUS_UNSUCCESSFUL;
1841                 }
1842
1843                 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1844
1845                 if (num_result > 1) {
1846                         DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1847                         free_attr_list( attr_list );
1848                         ldap_msgfree(result);
1849                         return NT_STATUS_UNSUCCESSFUL;
1850                 }
1851
1852                 /* Check if we need to update an existing entry */
1853                 if (num_result == 1) {
1854                         char *tmp;
1855
1856                         DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1857                         ldap_op = LDAP_MOD_REPLACE;
1858                         entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1859                         tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1860                         if (!tmp) {
1861                                 free_attr_list( attr_list );
1862                                 ldap_msgfree(result);
1863                                 return NT_STATUS_UNSUCCESSFUL;
1864                         }
1865                         slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1866                         SAFE_FREE(tmp);
1867                 }
1868         }
1869
1870         free_attr_list( attr_list );
1871
1872         if (num_result == 0) {
1873                 /* Check if we need to add an entry */
1874                 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
1875                 ldap_op = LDAP_MOD_ADD;
1876                 if (username[strlen(username)-1] == '$') {
1877                         slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
1878                 } else {
1879                         slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
1880                 }
1881         }
1882
1883         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1884                                 element_is_set_or_changed)) {
1885                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
1886                 ldap_msgfree(result);
1887                 if (mods != NULL)
1888                         ldap_mods_free(mods,True);
1889                 return NT_STATUS_UNSUCCESSFUL;
1890         }
1891
1892         ldap_msgfree(result);
1893
1894         if (mods == NULL) {
1895                 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
1896                 return NT_STATUS_UNSUCCESSFUL;
1897         }
1898         switch ( ldap_state->schema_ver ) {
1899                 case SCHEMAVER_SAMBAACCOUNT:
1900                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
1901                         break;
1902                 case SCHEMAVER_SAMBASAMACCOUNT:
1903                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
1904                         break;
1905                 default:
1906                         DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
1907                         break;
1908         }
1909
1910         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
1911         if (!NT_STATUS_IS_OK(ret)) {
1912                 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
1913                          pdb_get_username(newpwd),dn));
1914                 ldap_mods_free(mods, True);
1915                 return ret;
1916         }
1917
1918         DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
1919         ldap_mods_free(mods, True);
1920
1921         return NT_STATUS_OK;
1922 }
1923
1924 /**********************************************************************
1925  *********************************************************************/
1926
1927 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
1928                                      const char *filter,
1929                                      LDAPMessage ** result)
1930 {
1931         int scope = LDAP_SCOPE_SUBTREE;
1932         int rc;
1933         char **attr_list;
1934
1935         attr_list = get_attr_list(groupmap_attr_list);
1936         rc = smbldap_search(ldap_state->smbldap_state,
1937                             lp_ldap_group_suffix (), scope,
1938                             filter, attr_list, 0, result);
1939         free_attr_list( attr_list );
1940
1941         if (rc != LDAP_SUCCESS) {
1942                 char *ld_error = NULL;
1943                 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1944                                 &ld_error);
1945                 DEBUG(0, ("ldapsam_search_one_group: "
1946                           "Problem during the LDAP search: LDAP error: %s (%s)\n",
1947                           ld_error?ld_error:"(unknown)", ldap_err2string(rc)));
1948                 DEBUGADD(3, ("ldapsam_search_one_group: Query was: %s, %s\n",
1949                           lp_ldap_group_suffix(), filter));
1950                 SAFE_FREE(ld_error);
1951         }
1952
1953         return rc;
1954 }
1955
1956 /**********************************************************************
1957  *********************************************************************/
1958
1959 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
1960                                  GROUP_MAP *map, LDAPMessage *entry)
1961 {
1962         pstring temp;
1963
1964         if (ldap_state == NULL || map == NULL || entry == NULL ||
1965                         ldap_state->smbldap_state->ldap_struct == NULL) {
1966                 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
1967                 return False;
1968         }
1969
1970         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
1971                         get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
1972                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
1973                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
1974                 return False;
1975         }
1976         DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
1977
1978         map->gid = (gid_t)atol(temp);
1979
1980         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
1981                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
1982                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
1983                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
1984                 return False;
1985         }
1986
1987         if (!string_to_sid(&map->sid, temp)) {
1988                 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
1989                 return False;
1990         }
1991
1992         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
1993                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
1994                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
1995                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
1996                 return False;
1997         }
1998         map->sid_name_use = (enum SID_NAME_USE)atol(temp);
1999
2000         if ((map->sid_name_use < SID_NAME_USER) ||
2001                         (map->sid_name_use > SID_NAME_UNKNOWN)) {
2002                 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2003                 return False;
2004         }
2005
2006         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2007                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2008                 temp[0] = '\0';
2009                 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2010                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2011                 {
2012                         DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2013 for gidNumber(%lu)\n",(unsigned long)map->gid));
2014                         return False;
2015                 }
2016         }
2017         fstrcpy(map->nt_name, temp);
2018
2019         if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2020                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2021                 temp[0] = '\0';
2022         }
2023         fstrcpy(map->comment, temp);
2024
2025         return True;
2026 }
2027
2028 /**********************************************************************
2029  *********************************************************************/
2030
2031 static BOOL init_ldap_from_group(LDAP *ldap_struct,
2032                                  LDAPMessage *existing,
2033                                  LDAPMod ***mods,
2034                                  const GROUP_MAP *map)
2035 {
2036         pstring tmp;
2037
2038         if (mods == NULL || map == NULL) {
2039                 DEBUG(0, ("init_ldap_from_group: NULL parameters found!\n"));
2040                 return False;
2041         }
2042
2043         *mods = NULL;
2044
2045         sid_to_string(tmp, &map->sid);
2046
2047         smbldap_make_mod(ldap_struct, existing, mods,
2048                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID), tmp);
2049         pstr_sprintf(tmp, "%i", map->sid_name_use);
2050         smbldap_make_mod(ldap_struct, existing, mods,
2051                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), tmp);
2052
2053         smbldap_make_mod(ldap_struct, existing, mods,
2054                 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), map->nt_name);
2055         smbldap_make_mod(ldap_struct, existing, mods,
2056                 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), map->comment);
2057
2058         return True;
2059 }
2060
2061 /**********************************************************************
2062  *********************************************************************/
2063
2064 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2065                                  const char *filter,
2066                                  GROUP_MAP *map)
2067 {
2068         struct ldapsam_privates *ldap_state =
2069                 (struct ldapsam_privates *)methods->private_data;
2070         LDAPMessage *result = NULL;
2071         LDAPMessage *entry = NULL;
2072         int count;
2073
2074         if (ldapsam_search_one_group(ldap_state, filter, &result)
2075             != LDAP_SUCCESS) {
2076                 return NT_STATUS_NO_SUCH_GROUP;
2077         }
2078
2079         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2080
2081         if (count < 1) {
2082                 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2083                 ldap_msgfree(result);
2084                 return NT_STATUS_NO_SUCH_GROUP;
2085         }
2086
2087         if (count > 1) {
2088                 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: count=%d\n",
2089                           filter, count));
2090                 ldap_msgfree(result);
2091                 return NT_STATUS_NO_SUCH_GROUP;
2092         }
2093
2094         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2095
2096         if (!entry) {
2097                 ldap_msgfree(result);
2098                 return NT_STATUS_UNSUCCESSFUL;
2099         }
2100
2101         if (!init_group_from_ldap(ldap_state, map, entry)) {
2102                 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for group filter %s\n",
2103                           filter));
2104                 ldap_msgfree(result);
2105                 return NT_STATUS_NO_SUCH_GROUP;
2106         }
2107
2108         ldap_msgfree(result);
2109         return NT_STATUS_OK;
2110 }
2111
2112 /**********************************************************************
2113  *********************************************************************/
2114
2115 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2116                                  DOM_SID sid)
2117 {
2118         pstring filter;
2119
2120         pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2121                 LDAP_OBJ_GROUPMAP,
2122                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2123                 sid_string_static(&sid));
2124
2125         return ldapsam_getgroup(methods, filter, map);
2126 }
2127
2128 /**********************************************************************
2129  *********************************************************************/
2130
2131 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2132                                  gid_t gid)
2133 {
2134         pstring filter;
2135
2136         pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2137                 LDAP_OBJ_GROUPMAP,
2138                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2139                 (unsigned long)gid);
2140
2141         return ldapsam_getgroup(methods, filter, map);
2142 }
2143
2144 /**********************************************************************
2145  *********************************************************************/
2146
2147 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2148                                  const char *name)
2149 {
2150         pstring filter;
2151         char *escape_name = escape_ldap_string_alloc(name);
2152
2153         if (!escape_name) {
2154                 return NT_STATUS_NO_MEMORY;
2155         }
2156
2157         pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2158                 LDAP_OBJ_GROUPMAP,
2159                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2160                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2161
2162         SAFE_FREE(escape_name);
2163
2164         return ldapsam_getgroup(methods, filter, map);
2165 }
2166
2167 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2168                                                const char *username,
2169                                                gid_t primary_gid,
2170                                                DOM_SID **sids, gid_t **gids,
2171                                                int *num_groups)
2172 {
2173         struct ldapsam_privates *ldap_state =
2174                 (struct ldapsam_privates *)methods->private_data;
2175         struct smbldap_state *conn = ldap_state->smbldap_state;
2176         pstring filter;
2177         char *attrs[] = { "gidNumber", "sambaSID", NULL };
2178         char *escape_name;
2179         int rc;
2180         LDAPMessage *msg = NULL;
2181         LDAPMessage *entry;
2182         NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
2183         int num_sids, num_gids;
2184         extern DOM_SID global_sid_NULL;
2185
2186         if (!lp_parm_bool(-1, "ldapsam", "trusted", False))
2187                 return pdb_default_enum_group_memberships(methods, username,
2188                                                           primary_gid, sids,
2189                                                           gids, num_groups);
2190
2191         *sids = NULL;
2192         num_sids = 0;
2193
2194         escape_name = escape_ldap_string_alloc(username);
2195
2196         if (escape_name == NULL)
2197                 return NT_STATUS_NO_MEMORY;
2198
2199         pstr_sprintf(filter, "(&(objectClass=posixGroup)"
2200                      "(|(memberUid=%s)(gidNumber=%d)))",
2201                      username, primary_gid);
2202
2203         rc = smbldap_search(conn, lp_ldap_group_suffix(),
2204                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &msg);
2205
2206         if (rc != LDAP_SUCCESS)
2207                 goto done;
2208
2209         num_gids = 0;
2210         *gids = NULL;
2211
2212         num_sids = 0;
2213         *sids = NULL;
2214
2215         /* We need to add the primary group as the first gid/sid */
2216
2217         add_gid_to_array_unique(primary_gid, gids, &num_gids);
2218
2219         /* This sid will be replaced later */
2220
2221         add_sid_to_array_unique(&global_sid_NULL, sids, &num_sids);
2222
2223         for (entry = ldap_first_entry(conn->ldap_struct, msg);
2224              entry != NULL;
2225              entry = ldap_next_entry(conn->ldap_struct, entry))
2226         {
2227                 fstring str;
2228                 DOM_SID sid;
2229                 gid_t gid;
2230                 char *end;
2231
2232                 if (!smbldap_get_single_attribute(conn->ldap_struct,
2233                                                   entry, "sambaSID",
2234                                                   str, sizeof(str)-1))
2235                         continue;
2236
2237                 if (!string_to_sid(&sid, str))
2238                         goto done;
2239
2240                 if (!smbldap_get_single_attribute(conn->ldap_struct,
2241                                                   entry, "gidNumber",
2242                                                   str, sizeof(str)-1))
2243                         continue;
2244
2245                 gid = strtoul(str, &end, 10);
2246
2247                 if (PTR_DIFF(end, str) != strlen(str))
2248                         goto done;
2249
2250                 if (gid == primary_gid) {
2251                         sid_copy(&(*sids)[0], &sid);
2252                 } else {
2253                         add_gid_to_array_unique(gid, gids, &num_gids);
2254                         add_sid_to_array_unique(&sid, sids, &num_sids);
2255                 }
2256         }
2257
2258         if (sid_compare(&global_sid_NULL, &(*sids)[0]) == 0) {
2259                 DEBUG(3, ("primary group of [%s] not found\n", username));
2260                 goto done;
2261         }
2262
2263         *num_groups = num_sids;
2264
2265         result = NT_STATUS_OK;
2266
2267  done:
2268
2269         SAFE_FREE(escape_name);
2270         if (msg != NULL)
2271                 ldap_msgfree(msg);
2272
2273         return result;
2274 }
2275
2276 /**********************************************************************
2277  *********************************************************************/
2278
2279 static int ldapsam_search_one_group_by_gid(struct ldapsam_privates *ldap_state,
2280                                            gid_t gid,
2281                                            LDAPMessage **result)
2282 {
2283         pstring filter;
2284
2285         pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%lu))",
2286                 LDAP_OBJ_POSIXGROUP, LDAP_OBJ_IDMAP_ENTRY,
2287                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2288                 (unsigned long)gid);
2289
2290         return ldapsam_search_one_group(ldap_state, filter, result);
2291 }
2292
2293 /**********************************************************************
2294  *********************************************************************/
2295
2296 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2297                                                 GROUP_MAP *map)
2298 {
2299         struct ldapsam_privates *ldap_state =
2300                 (struct ldapsam_privates *)methods->private_data;
2301         LDAPMessage *result = NULL;
2302         LDAPMod **mods = NULL;
2303         int count;
2304
2305         char *tmp;
2306         pstring dn;
2307         LDAPMessage *entry;
2308
2309         GROUP_MAP dummy;
2310
2311         int rc;
2312
2313         if (NT_STATUS_IS_OK(ldapsam_getgrgid(methods, &dummy,
2314                                              map->gid))) {
2315                 DEBUG(0, ("ldapsam_add_group_mapping_entry: Group %ld already exists in LDAP\n", (unsigned long)map->gid));
2316                 return NT_STATUS_UNSUCCESSFUL;
2317         }
2318
2319         rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
2320         if (rc != LDAP_SUCCESS) {
2321                 ldap_msgfree(result);
2322                 return NT_STATUS_UNSUCCESSFUL;
2323         }
2324
2325         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2326
2327         if ( count == 0 ) {
2328                 /* There's no posixGroup account, let's try to find an
2329                  * appropriate idmap entry for aliases */
2330
2331                 pstring suffix;
2332                 pstring filter;
2333                 char **attr_list;
2334
2335                 ldap_msgfree(result);
2336
2337                 pstrcpy( suffix, lp_ldap_idmap_suffix() );
2338                 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%u))",
2339                              LDAP_OBJ_IDMAP_ENTRY, LDAP_ATTRIBUTE_GIDNUMBER,
2340                              map->gid);
2341
2342                 attr_list = get_attr_list( sidmap_attr_list );
2343                 rc = smbldap_search(ldap_state->smbldap_state, suffix,
2344                                     LDAP_SCOPE_SUBTREE, filter, attr_list,
2345                                     0, &result);
2346
2347                 free_attr_list(attr_list);
2348
2349                 if (rc != LDAP_SUCCESS) {
2350                         DEBUG(3,("Failure looking up entry (%s)\n",
2351                                  ldap_err2string(rc) ));
2352                         ldap_msgfree(result);
2353                         return NT_STATUS_UNSUCCESSFUL;
2354                 }
2355         }
2356
2357         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2358         if ( count == 0 ) {
2359                 ldap_msgfree(result);
2360                 return NT_STATUS_UNSUCCESSFUL;
2361         }
2362
2363         if (count > 1) {
2364                 DEBUG(2, ("ldapsam_add_group_mapping_entry: Group %lu must exist exactly once in LDAP\n",
2365                           (unsigned long)map->gid));
2366                 ldap_msgfree(result);
2367                 return NT_STATUS_UNSUCCESSFUL;
2368         }
2369
2370         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2371         tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2372         if (!tmp) {
2373                 ldap_msgfree(result);
2374                 return NT_STATUS_UNSUCCESSFUL;
2375         }
2376         pstrcpy(dn, tmp);
2377         SAFE_FREE(tmp);
2378
2379         if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
2380                                   result, &mods, map)) {
2381                 DEBUG(0, ("ldapsam_add_group_mapping_entry: init_ldap_from_group failed!\n"));
2382                 ldap_mods_free(mods, True);
2383                 ldap_msgfree(result);
2384                 return NT_STATUS_UNSUCCESSFUL;
2385         }
2386
2387         ldap_msgfree(result);
2388
2389         if (mods == NULL) {
2390                 DEBUG(0, ("ldapsam_add_group_mapping_entry: mods is empty\n"));
2391                 return NT_STATUS_UNSUCCESSFUL;
2392         }
2393
2394         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP );
2395
2396         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2397         ldap_mods_free(mods, True);
2398
2399         if (rc != LDAP_SUCCESS) {
2400                 char *ld_error = NULL;
2401                 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
2402                                 &ld_error);
2403                 DEBUG(0, ("ldapsam_add_group_mapping_entry: failed to add group %lu error: %s (%s)\n", (unsigned long)map->gid,
2404                           ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
2405                 SAFE_FREE(ld_error);
2406                 return NT_STATUS_UNSUCCESSFUL;
2407         }
2408
2409         DEBUG(2, ("ldapsam_add_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
2410         return NT_STATUS_OK;
2411 }
2412
2413 /**********************************************************************
2414  *********************************************************************/
2415
2416 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2417                                                    GROUP_MAP *map)
2418 {
2419         struct ldapsam_privates *ldap_state =
2420                 (struct ldapsam_privates *)methods->private_data;
2421         int rc;
2422         char *dn = NULL;
2423         LDAPMessage *result = NULL;
2424         LDAPMessage *entry = NULL;
2425         LDAPMod **mods = NULL;
2426
2427         rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
2428
2429         if (rc != LDAP_SUCCESS) {
2430                 return NT_STATUS_UNSUCCESSFUL;
2431         }
2432
2433         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2434                 DEBUG(0, ("ldapsam_update_group_mapping_entry: No group to modify!\n"));
2435                 ldap_msgfree(result);
2436                 return NT_STATUS_UNSUCCESSFUL;
2437         }
2438
2439         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2440
2441         if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
2442                                   result, &mods, map)) {
2443                 DEBUG(0, ("ldapsam_update_group_mapping_entry: init_ldap_from_group failed\n"));
2444                 ldap_msgfree(result);
2445                 if (mods != NULL)
2446                         ldap_mods_free(mods,True);
2447                 return NT_STATUS_UNSUCCESSFUL;
2448         }
2449
2450         if (mods == NULL) {
2451                 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: nothing to do\n"));
2452                 ldap_msgfree(result);
2453                 return NT_STATUS_OK;
2454         }
2455
2456         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2457         if (!dn) {
2458                 ldap_msgfree(result);
2459                 return NT_STATUS_UNSUCCESSFUL;
2460         }
2461         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2462         SAFE_FREE(dn);
2463
2464         ldap_mods_free(mods, True);
2465         ldap_msgfree(result);
2466
2467         if (rc != LDAP_SUCCESS) {
2468                 char *ld_error = NULL;
2469                 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
2470                                 &ld_error);
2471                 DEBUG(0, ("ldapsam_update_group_mapping_entry: failed to modify group %lu error: %s (%s)\n", (unsigned long)map->gid,
2472                           ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
2473                 SAFE_FREE(ld_error);
2474                 return NT_STATUS_UNSUCCESSFUL;
2475         }
2476
2477         DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
2478         return NT_STATUS_OK;
2479 }
2480
2481 /**********************************************************************
2482  *********************************************************************/
2483
2484 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2485                                                    DOM_SID sid)
2486 {
2487         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data;
2488         pstring sidstring, filter;
2489         LDAPMessage *result = NULL;
2490         int rc;
2491         NTSTATUS ret;
2492         char **attr_list;
2493
2494         sid_to_string(sidstring, &sid);
2495
2496         pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2497                 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID, sidstring);
2498
2499         rc = ldapsam_search_one_group(ldap_state, filter, &result);
2500
2501         if (rc != LDAP_SUCCESS) {
2502                 return NT_STATUS_NO_SUCH_GROUP;
2503         }
2504
2505         attr_list = get_attr_list( groupmap_attr_list_to_delete );
2506         ret = ldapsam_delete_entry(ldap_state, result, LDAP_OBJ_GROUPMAP, attr_list);
2507         free_attr_list ( attr_list );
2508
2509         ldap_msgfree(result);
2510
2511         return ret;
2512 }
2513
2514 /**********************************************************************
2515  *********************************************************************/
2516
2517 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods, BOOL update)
2518 {
2519         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2520         fstring filter;
2521         int rc;
2522         char **attr_list;
2523
2524         pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
2525         attr_list = get_attr_list( groupmap_attr_list );
2526         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
2527                             LDAP_SCOPE_SUBTREE, filter,
2528                             attr_list, 0, &ldap_state->result);
2529         free_attr_list( attr_list );
2530
2531         if (rc != LDAP_SUCCESS) {
2532                 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n", ldap_err2string(rc)));
2533                 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n", lp_ldap_group_suffix(), filter));
2534                 ldap_msgfree(ldap_state->result);
2535                 ldap_state->result = NULL;
2536                 return NT_STATUS_UNSUCCESSFUL;
2537         }
2538
2539         DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
2540                   ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2541                                      ldap_state->result)));
2542
2543         ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, ldap_state->result);
2544         ldap_state->index = 0;
2545
2546         return NT_STATUS_OK;
2547 }
2548
2549 /**********************************************************************
2550  *********************************************************************/
2551
2552 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
2553 {
2554         ldapsam_endsampwent(my_methods);
2555 }
2556
2557 /**********************************************************************
2558  *********************************************************************/
2559
2560 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
2561                                     GROUP_MAP *map)
2562 {
2563         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2564         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2565         BOOL bret = False;
2566
2567         while (!bret) {
2568                 if (!ldap_state->entry)
2569                         return ret;
2570
2571                 ldap_state->index++;
2572                 bret = init_group_from_ldap(ldap_state, map, ldap_state->entry);
2573
2574                 ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
2575                                             ldap_state->entry);
2576         }
2577
2578         return NT_STATUS_OK;
2579 }
2580
2581 /**********************************************************************
2582  *********************************************************************/
2583
2584 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
2585                                            enum SID_NAME_USE sid_name_use,
2586                                            GROUP_MAP **rmap, int *num_entries,
2587                                            BOOL unix_only)
2588 {
2589         GROUP_MAP map;
2590         GROUP_MAP *mapt;
2591         int entries = 0;
2592
2593         *num_entries = 0;
2594         *rmap = NULL;
2595
2596         if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
2597                 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open passdb\n"));
2598                 return NT_STATUS_ACCESS_DENIED;
2599         }
2600
2601         while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
2602                 if (sid_name_use != SID_NAME_UNKNOWN &&
2603                     sid_name_use != map.sid_name_use) {
2604                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is not of the requested type\n", map.nt_name));
2605                         continue;
2606                 }
2607                 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
2608                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is non mapped\n", map.nt_name));
2609                         continue;
2610                 }
2611
2612                 mapt=SMB_REALLOC_ARRAY((*rmap), GROUP_MAP, entries+1);
2613                 if (!mapt) {
2614                         DEBUG(0,("ldapsam_enum_group_mapping: Unable to enlarge group map!\n"));
2615                         SAFE_FREE(*rmap);
2616                         return NT_STATUS_UNSUCCESSFUL;
2617                 }
2618                 else
2619                         (*rmap) = mapt;
2620
2621                 mapt[entries] = map;
2622
2623                 entries += 1;
2624
2625         }
2626         ldapsam_endsamgrent(methods);
2627
2628         *num_entries = entries;
2629
2630         return NT_STATUS_OK;
2631 }
2632
2633 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
2634                                         const DOM_SID *alias,
2635                                         const DOM_SID *member,
2636                                         int modop)
2637 {
2638         struct ldapsam_privates *ldap_state =
2639                 (struct ldapsam_privates *)methods->private_data;
2640         char *dn;
2641         LDAPMessage *result = NULL;
2642         LDAPMessage *entry = NULL;
2643         int count;
2644         LDAPMod **mods = NULL;
2645         int rc;
2646
2647         pstring filter;
2648
2649         pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
2650                      LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
2651                      get_attr_key2string(groupmap_attr_list,
2652                                          LDAP_ATTR_GROUP_SID),
2653                      sid_string_static(alias));
2654
2655         if (ldapsam_search_one_group(ldap_state, filter,
2656                                      &result) != LDAP_SUCCESS)
2657                 return NT_STATUS_NO_SUCH_ALIAS;
2658
2659         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2660                                    result);
2661
2662         if (count < 1) {
2663                 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
2664                 ldap_msgfree(result);
2665                 return NT_STATUS_NO_SUCH_ALIAS;
2666         }
2667
2668         if (count > 1) {
2669                 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for filter %s: "
2670                           "count=%d\n", filter, count));
2671                 ldap_msgfree(result);
2672                 return NT_STATUS_NO_SUCH_ALIAS;
2673         }
2674
2675         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
2676                                  result);
2677
2678         if (!entry) {
2679                 ldap_msgfree(result);
2680                 return NT_STATUS_UNSUCCESSFUL;
2681         }
2682
2683         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2684         if (!dn) {
2685                 ldap_msgfree(result);
2686                 return NT_STATUS_UNSUCCESSFUL;
2687         }
2688
2689         smbldap_set_mod(&mods, modop,
2690                         get_attr_key2string(groupmap_attr_list,
2691                                             LDAP_ATTR_SID_LIST),
2692                         sid_string_static(member));
2693
2694         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2695
2696         ldap_mods_free(mods, True);
2697         ldap_msgfree(result);
2698
2699         if (rc != LDAP_SUCCESS) {
2700                 char *ld_error = NULL;
2701                 ldap_get_option(ldap_state->smbldap_state->ldap_struct,
2702                                 LDAP_OPT_ERROR_STRING,&ld_error);
2703
2704                 DEBUG(0, ("ldapsam_modify_aliasmem: Could not modify alias "
2705                           "for %s, error: %s (%s)\n", dn, ldap_err2string(rc),
2706                           ld_error?ld_error:"unknown"));
2707                 SAFE_FREE(ld_error);
2708                 SAFE_FREE(dn);
2709                 return NT_STATUS_UNSUCCESSFUL;
2710         }
2711
2712         SAFE_FREE(dn);
2713
2714         return NT_STATUS_OK;
2715 }
2716
2717 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
2718                                      const DOM_SID *alias,
2719                                      const DOM_SID *member)
2720 {
2721         return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
2722 }
2723
2724 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
2725                                      const DOM_SID *alias,
2726                                      const DOM_SID *member)
2727 {
2728         return ldapsam_modify_aliasmem(methods, alias, member,
2729                                        LDAP_MOD_DELETE);
2730 }
2731
2732 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
2733                                       const DOM_SID *alias, DOM_SID **members,
2734                                       int *num_members)
2735 {
2736         struct ldapsam_privates *ldap_state =
2737                 (struct ldapsam_privates *)methods->private_data;
2738         LDAPMessage *result = NULL;
2739         LDAPMessage *entry = NULL;
2740         int count;
2741         char **values;
2742         int i;
2743         pstring filter;
2744
2745         *members = NULL;
2746         *num_members = 0;
2747
2748         pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
2749                      LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
2750                      get_attr_key2string(groupmap_attr_list,
2751                                          LDAP_ATTR_GROUP_SID),
2752                      sid_string_static(alias));
2753
2754         if (ldapsam_search_one_group(ldap_state, filter,
2755                                      &result) != LDAP_SUCCESS)
2756                 return NT_STATUS_NO_SUCH_ALIAS;
2757
2758         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2759                                    result);
2760
2761         if (count < 1) {
2762                 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
2763                 ldap_msgfree(result);
2764                 return NT_STATUS_NO_SUCH_ALIAS;
2765         }
2766
2767         if (count > 1) {
2768                 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for filter %s: "
2769                           "count=%d\n", filter, count));
2770                 ldap_msgfree(result);
2771                 return NT_STATUS_NO_SUCH_ALIAS;
2772         }
2773
2774         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
2775                                  result);
2776
2777         if (!entry) {
2778                 ldap_msgfree(result);
2779                 return NT_STATUS_UNSUCCESSFUL;
2780         }
2781
2782         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
2783                                  entry,
2784                                  get_attr_key2string(groupmap_attr_list,
2785                                                      LDAP_ATTR_SID_LIST));
2786
2787         if (values == NULL) {
2788                 ldap_msgfree(result);
2789                 return NT_STATUS_OK;
2790         }
2791
2792         count = ldap_count_values(values);
2793
2794         for (i=0; i<count; i++) {
2795                 DOM_SID member;
2796
2797                 if (!string_to_sid(&member, values[i]))
2798                         continue;
2799
2800                 add_sid_to_array(&member, members, num_members);
2801         }
2802
2803         ldap_value_free(values);
2804         ldap_msgfree(result);
2805
2806         return NT_STATUS_OK;
2807 }
2808
2809 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
2810                                           const DOM_SID *members,
2811                                           int num_members,
2812                                           DOM_SID **aliases, int *num_aliases)
2813 {
2814         struct ldapsam_privates *ldap_state =
2815                 (struct ldapsam_privates *)methods->private_data;
2816         LDAP *ldap_struct;
2817
2818         char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
2819
2820         LDAPMessage *result = NULL;
2821         LDAPMessage *entry = NULL;
2822         int i;
2823         int rc;
2824         char *filter;
2825         TALLOC_CTX *mem_ctx;
2826
2827         mem_ctx = talloc_init("ldapsam_alias_memberships");
2828
2829         if (mem_ctx == NULL)
2830                 return NT_STATUS_NO_MEMORY;
2831
2832         /* This query could be further optimized by adding a
2833            (&(sambaSID=<domain-sid>*)) so that only those aliases that are
2834            asked for in the getuseraliases are returned. */
2835
2836         filter = talloc_asprintf(mem_ctx,
2837                                  "(&(|(objectclass=%s)(objectclass=%s))(|",
2838                                  LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY);
2839
2840         for (i=0; i<num_members; i++)
2841                 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
2842                                          filter,
2843                                          sid_string_static(&members[i]));
2844
2845         filter = talloc_asprintf(mem_ctx, "%s))", filter);
2846
2847         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
2848                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2849
2850         talloc_destroy(mem_ctx);
2851
2852         if (rc != LDAP_SUCCESS)
2853                 return NT_STATUS_UNSUCCESSFUL;
2854
2855         *aliases = NULL;
2856         *num_aliases = 0;
2857
2858         ldap_struct = ldap_state->smbldap_state->ldap_struct;
2859
2860         for (entry = ldap_first_entry(ldap_struct, result);
2861              entry != NULL;
2862              entry = ldap_next_entry(ldap_struct, entry))
2863         {
2864                 fstring sid_str;
2865                 DOM_SID sid;
2866
2867                 if (!smbldap_get_single_attribute(ldap_struct, entry,
2868                                                   LDAP_ATTRIBUTE_SID,
2869                                                   sid_str,
2870                                                   sizeof(sid_str)-1))
2871                         continue;
2872
2873                 if (!string_to_sid(&sid, sid_str))
2874                         continue;
2875
2876                 add_sid_to_array_unique(&sid, aliases, num_aliases);
2877         }
2878
2879         ldap_msgfree(result);
2880         return NT_STATUS_OK;
2881 }
2882
2883 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods, int policy_index, int *value)
2884 {
2885         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
2886         LDAPMessage *result = NULL;
2887         LDAPMessage *entry = NULL;
2888         int count;
2889         int rc;
2890         pstring filter;
2891         char **vals;
2892         const char *policy_string = NULL;
2893         int tmp_val;
2894         BOOL found_tdb = False;
2895
2896         struct ldapsam_privates *ldap_state =
2897                 (struct ldapsam_privates *)methods->private_data;
2898
2899         char *attrs[] = {
2900                 (char *)get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_NAME),
2901                 (char *)get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_VAL),
2902                 NULL
2903         };
2904
2905         if (cache_account_policy_get(policy_index, value)) {
2906                 DEBUG(11,("ldapsam_get_account_policy: got valid value from cache\n"));
2907                 return NT_STATUS_OK;
2908         }
2909
2910         policy_string = decode_account_policy_name(policy_index);
2911         if (!policy_string) {
2912                 DEBUG(0,("ldapsam_get_account_policy: invalid policy index: %d\n", policy_index));
2913                 return ntstatus;
2914         }
2915
2916         pstr_sprintf(filter, "(&(objectclass=%s)(%s=%s))",
2917                      LDAP_OBJ_ACCOUNT_POLICY,
2918                      get_attr_key2string(acctpol_attr_list,
2919                                          LDAP_ATTR_ACCOUNT_POLICY_NAME), policy_string);
2920
2921         if (!ldap_state->domain_dn) {
2922                 return NT_STATUS_INVALID_PARAMETER;
2923         }
2924
2925 search:
2926         rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
2927                             LDAP_SCOPE_ONELEVEL, filter, attrs, 0, &result);
2928
2929         if (rc != LDAP_SUCCESS)
2930                 return ntstatus;
2931
2932         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2933                                    result);
2934
2935         /* handle deleted ldap-entries (migrate on the fly, use a default as last resort) - gd */
2936         if (count < 1 && !found_tdb) {
2937
2938                 found_tdb = False;
2939
2940                 DEBUG(3,("ldapsam_get_account_policy: no entry for that policy in ldap found\n"));
2941
2942                 if (!account_policy_get(policy_index, &tmp_val)) {
2943                         DEBUG(10,("ldapsam_get_account_policy: failed to get account_policy from tdb\n"));
2944                         found_tdb = True;
2945                 }
2946
2947                 if (!found_tdb && !account_policy_get_default(policy_index, &tmp_val)) {
2948                         ldap_msgfree(result);
2949                         return ntstatus;
2950                 }
2951
2952                 if (!pdb_set_account_policy(policy_index, tmp_val)) {
2953                         DEBUG(1,("ldapsam_get_account_policy: failed to set account_policy\n"));
2954                         ldap_msgfree(result);
2955                         return ntstatus;
2956                 }
2957
2958                 DEBUG(3,("ldapsam_get_account_policy: set account policy value based on %s value.\n",
2959                         found_tdb ? "tdb":"default"));
2960
2961                 ldap_msgfree(result);
2962                 goto search;
2963         }
2964
2965         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2966
2967         if (!entry) {
2968                 ldap_msgfree(result);
2969                 return NT_STATUS_UNSUCCESSFUL;
2970         }
2971
2972         vals = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry,
2973                 get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_VAL));
2974
2975         if (vals == NULL)
2976                 goto out;
2977
2978         *value = (uint32)atol(vals[0]);
2979
2980         if (!cache_account_policy_set(policy_index, *value)) {
2981                 DEBUG(0,("ldapsam_get_account_policy: failed to update local tdb as a cache\n"));
2982                 return ntstatus;
2983         }
2984
2985         ntstatus = NT_STATUS_OK;
2986
2987 out:
2988         ldap_value_free(vals);
2989         ldap_msgfree(result);
2990
2991         return ntstatus;
2992 }
2993
2994 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods, int policy_index, int value)
2995 {
2996         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
2997         LDAPMessage *result = NULL;
2998         LDAPMessage *entry = NULL;
2999         int count;
3000         int rc;
3001         pstring filter, dn;
3002         int modop;
3003         LDAPMod **mods = NULL;
3004         fstring value_string;
3005         char *old_dn = NULL;
3006         const char *policy_string = NULL;
3007         const char *policy_description = NULL;
3008
3009         struct ldapsam_privates *ldap_state =
3010                 (struct ldapsam_privates *)methods->private_data;
3011
3012         char *attrs[] = {
3013                 (char *)get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_NAME),
3014                 (char *)get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_VAL),
3015                 NULL
3016         };
3017
3018         policy_string = decode_account_policy_name(policy_index);
3019         if (!policy_string) {
3020                 DEBUG(0,("ldapsam_set_account_policy: invalid policy\n"));
3021                 return ntstatus;
3022         }
3023
3024         policy_description = account_policy_get_comment(policy_index);
3025         if (!policy_description) {
3026                 DEBUG(0,("ldapsam_set_account_policy: no description for policy found\n"));
3027                 return ntstatus;
3028         }
3029
3030         pstr_sprintf(filter, "(&(objectclass=%s)(%s=%s))",
3031                      LDAP_OBJ_ACCOUNT_POLICY,
3032                      get_attr_key2string(acctpol_attr_list,
3033                                          LDAP_ATTR_ACCOUNT_POLICY_NAME), policy_string);
3034
3035         if (!ldap_state->domain_dn) {
3036                 return NT_STATUS_INVALID_PARAMETER;
3037         }
3038
3039         rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3040                             LDAP_SCOPE_ONELEVEL, filter, attrs, 0, &result);
3041
3042         if (rc != LDAP_SUCCESS)
3043                 return ntstatus;
3044
3045         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
3046
3047         slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3048
3049         if (count == 1) {
3050
3051                 modop = LDAP_MOD_REPLACE;
3052
3053                 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
3054
3055                 if (!entry) {
3056                         ldap_msgfree(result);
3057                         return NT_STATUS_UNSUCCESSFUL;
3058                 }
3059
3060                 old_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3061                 if (!old_dn) {
3062                         ldap_msgfree(result);
3063                         return ntstatus;
3064                 }
3065
3066                 smbldap_set_mod(&mods, modop,
3067                         get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_VAL),
3068                         value_string);
3069
3070                 rc = smbldap_modify(ldap_state->smbldap_state, old_dn, mods);
3071
3072         } else {
3073
3074                 modop = LDAP_MOD_ADD;
3075
3076                 pstr_sprintf(dn, "%s=%s,%s",
3077                         get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_NAME), policy_string,
3078                         ldap_state->domain_dn);
3079
3080                 smbldap_set_mod( &mods, modop, "objectClass", LDAP_OBJ_ACCOUNT_POLICY );
3081
3082                 smbldap_make_mod( ldap_state->smbldap_state->ldap_struct, entry, &mods,
3083                         get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_NAME),
3084                         policy_string);
3085
3086                 smbldap_make_mod( ldap_state->smbldap_state->ldap_struct, entry, &mods,
3087                         get_attr_key2string(acctpol_attr_list, LDAP_ATTR_ACCOUNT_POLICY_VAL),
3088                         value_string);
3089
3090                 smbldap_make_mod( ldap_state->smbldap_state->ldap_struct, entry, &mods,
3091                         "description",
3092                         policy_description);
3093
3094                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3095         }
3096
3097         ldap_mods_free(mods, True);
3098         ldap_msgfree(result);
3099
3100         if (rc != LDAP_SUCCESS) {
3101                 char *ld_error = NULL;
3102                 ldap_get_option(ldap_state->smbldap_state->ldap_struct,
3103                                 LDAP_OPT_ERROR_STRING,&ld_error);
3104
3105                 DEBUG(0, ("ldapsam_set_account_policy: Could not set account policy "
3106                           "for %s, error: %s (%s)\n", dn, ldap_err2string(rc),
3107                           ld_error?ld_error:"unknown"));
3108                 SAFE_FREE(ld_error);
3109                 SAFE_FREE(old_dn);
3110                 return ntstatus;
3111         }
3112
3113         SAFE_FREE(old_dn);
3114
3115         if (!cache_account_policy_set(policy_index, value)) {
3116                 DEBUG(0,("ldapsam_set_account_policy: failed to update local tdb cache\n"));
3117                 return ntstatus;
3118         }
3119
3120         return NT_STATUS_OK;
3121 }
3122
3123 /**********************************************************************
3124  Housekeeping
3125  *********************************************************************/
3126
3127 static void free_private_data(void **vp)
3128 {
3129         struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
3130
3131         smbldap_free_struct(&(*ldap_state)->smbldap_state);
3132
3133         if ((*ldap_state)->result != NULL) {
3134                 ldap_msgfree((*ldap_state)->result);
3135                 (*ldap_state)->result = NULL;
3136         }
3137         if ((*ldap_state)->domain_dn != NULL) {
3138                 SAFE_FREE((*ldap_state)->domain_dn);
3139         }
3140
3141         *ldap_state = NULL;
3142
3143         /* No need to free any further, as it is talloc()ed */
3144 }
3145
3146 /**********************************************************************
3147  Intitalise the parts of the pdb_context that are common to all pdb_ldap modes
3148  *********************************************************************/
3149
3150 static NTSTATUS pdb_init_ldapsam_common(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method,
3151                                         const char *location)
3152 {
3153         NTSTATUS nt_status;
3154         struct ldapsam_privates *ldap_state;
3155
3156         if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
3157                 return nt_status;
3158         }
3159
3160         (*pdb_method)->name = "ldapsam";
3161
3162         (*pdb_method)->setsampwent = ldapsam_setsampwent;
3163         (*pdb_method)->endsampwent = ldapsam_endsampwent;
3164         (*pdb_method)->getsampwent = ldapsam_getsampwent;
3165         (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
3166         (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
3167         (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
3168         (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
3169         (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
3170
3171         (*pdb_method)->getgrsid = ldapsam_getgrsid;
3172         (*pdb_method)->getgrgid = ldapsam_getgrgid;
3173         (*pdb_method)->getgrnam = ldapsam_getgrnam;
3174         (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
3175         (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
3176         (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
3177         (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
3178         (*pdb_method)->enum_group_memberships = ldapsam_enum_group_memberships;
3179
3180         (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
3181         (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
3182
3183         /* TODO: Setup private data and free */
3184
3185         ldap_state = TALLOC_ZERO_P(pdb_context->mem_ctx, struct ldapsam_privates);
3186         if (!ldap_state) {
3187                 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
3188                 return NT_STATUS_NO_MEMORY;
3189         }
3190
3191         if (!NT_STATUS_IS_OK(nt_status =
3192                              smbldap_init(pdb_context->mem_ctx, location,
3193                                           &ldap_state->smbldap_state)));
3194
3195         ldap_state->domain_name = talloc_strdup(pdb_context->mem_ctx, get_global_sam_name());
3196         if (!ldap_state->domain_name) {
3197                 return NT_STATUS_NO_MEMORY;
3198         }
3199
3200         (*pdb_method)->private_data = ldap_state;
3201
3202         (*pdb_method)->free_private_data = free_private_data;
3203
3204         return NT_STATUS_OK;
3205 }
3206
3207 /**********************************************************************
3208  Initialise the 'compat' mode for pdb_ldap
3209  *********************************************************************/
3210
3211 static NTSTATUS pdb_init_ldapsam_compat(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
3212 {
3213         NTSTATUS nt_status;
3214         struct ldapsam_privates *ldap_state;
3215
3216 #ifdef WITH_LDAP_SAMCONFIG
3217         if (!location) {
3218                 int ldap_port = lp_ldap_port();
3219
3220                 /* remap default port if not using SSL (ie clear or TLS) */
3221                 if ( (lp_ldap_ssl() != LDAP_SSL_ON) && (ldap_port == 636) ) {
3222                         ldap_port = 389;
3223                 }
3224
3225                 location = talloc_asprintf(pdb_context->mem_ctx, "%s://%s:%d", lp_ldap_ssl() == LDAP_SSL_ON ? "ldaps" : "ldap", lp_ldap_server(), ldap_port);
3226                 if (!location) {
3227                         return NT_STATUS_NO_MEMORY;
3228                 }
3229         }
3230 #endif
3231
3232         if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
3233                 return nt_status;
3234         }
3235
3236         (*pdb_method)->name = "ldapsam_compat";
3237
3238         ldap_state = (*pdb_method)->private_data;
3239         ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
3240
3241         sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
3242
3243         return NT_STATUS_OK;
3244 }
3245
3246 /**********************************************************************
3247  Initialise the normal mode for pdb_ldap
3248  *********************************************************************/
3249
3250 static NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
3251 {
3252         NTSTATUS nt_status;
3253         struct ldapsam_privates *ldap_state;
3254         uint32 alg_rid_base;
3255         pstring alg_rid_base_string;
3256         LDAPMessage *result = NULL;
3257         LDAPMessage *entry = NULL;
3258         DOM_SID ldap_domain_sid;
3259         DOM_SID secrets_domain_sid;
3260         pstring domain_sid_string;
3261         char *dn;
3262
3263         if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
3264                 return nt_status;
3265         }
3266
3267         (*pdb_method)->name = "ldapsam";
3268
3269         (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
3270         (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
3271         (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
3272         (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
3273
3274         ldap_state = (*pdb_method)->private_data;
3275         ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
3276
3277         /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
3278
3279         nt_status = smbldap_search_domain_info(ldap_state->smbldap_state, &result,
3280                                                ldap_state->domain_name, True);
3281
3282         if ( !NT_STATUS_IS_OK(nt_status) ) {
3283                 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain info, nor add one to the domain\n"));
3284                 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, will be unable to allocate new users/groups, \
3285 and will risk BDCs having inconsistant SIDs\n"));
3286                 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
3287                 return NT_STATUS_OK;
3288         }
3289
3290         /* Given that the above might fail, everything below this must be optional */
3291
3292         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
3293         if (!entry) {
3294                 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info entry\n"));
3295                 ldap_msgfree(result);
3296                 return NT_STATUS_UNSUCCESSFUL;
3297         }
3298
3299         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3300         if (!dn) {
3301                 return NT_STATUS_UNSUCCESSFUL;
3302         }
3303
3304         ldap_state->domain_dn = smb_xstrdup(dn);
3305         if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
3306                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
3307                                  domain_sid_string)) {
3308                 BOOL found_sid;
3309                 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
3310                         DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be read as a valid SID\n", domain_sid_string));
3311                         return NT_STATUS_INVALID_PARAMETER;
3312                 }
3313                 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name, &secrets_domain_sid);
3314                 if (!found_sid || !sid_equal(&secrets_domain_sid, &ldap_domain_sid)) {
3315                         fstring new_sid_str, old_sid_str;
3316                         DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain %s based on pdb_ldap results %s -> %s\n",
3317                                   ldap_state->domain_name,
3318                                   sid_to_string(old_sid_str, &secrets_domain_sid),
3319                                   sid_to_string(new_sid_str, &ldap_domain_sid)));
3320
3321                         /* reset secrets.tdb sid */
3322                         secrets_store_domain_sid(ldap_state->domain_name, &ldap_domain_sid);
3323                         DEBUG(1, ("New global sam SID: %s\n", sid_to_string(new_sid_str, get_global_sam_sid())));
3324                 }
3325                 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
3326         }
3327
3328         if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
3329                                  get_attr_key2string( dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE ),
3330                                  alg_rid_base_string)) {
3331                 alg_rid_base = (uint32)atol(alg_rid_base_string);
3332                 if (alg_rid_base != algorithmic_rid_base()) {
3333                         DEBUG(0, ("The value of 'algorithmic RID base' has changed since the LDAP\n"
3334                                   "database was initialised.  Aborting. \n"));
3335                         ldap_msgfree(result);
3336                         return NT_STATUS_UNSUCCESSFUL;
3337                 }
3338         }
3339         ldap_msgfree(result);
3340
3341         return NT_STATUS_OK;
3342 }
3343
3344 NTSTATUS pdb_ldap_init(void)
3345 {
3346         NTSTATUS nt_status;
3347         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
3348                 return nt_status;
3349
3350         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
3351                 return nt_status;
3352
3353         return NT_STATUS_OK;
3354 }