source3/passdb/pdb_ldap.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    LDAP protocol helper functions for SAMBA
   4    Copyright (C) Jean François Micouleau        1998
   5    Copyright (C) Gerald Carter                  2001-2003
   6    Copyright (C) Shahms King                    2001
   7    Copyright (C) Andrew Bartlett                2002-2003
   8    Copyright (C) Stefan (metze) Metzmacher      2002-2003
   9    Copyright (C) Simo Sorce                     2006
  10
  11    This program is free software; you can redistribute it and/or modify
  12    it under the terms of the GNU General Public License as published by
  13    the Free Software Foundation; either version 3 of the License, or
  14    (at your option) any later version.
  15
  16    This program is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 */
  25
  26 /* TODO:
  27 *  persistent connections: if using NSS LDAP, many connections are made
  28 *      however, using only one within Samba would be nice
  29 *
  30 *  Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
  31 *
  32 *  Other LDAP based login attributes: accountExpires, etc.
  33 *  (should be the domain of Samba proper, but the sam_password/struct samu
  34 *  structures don't have fields for some of these attributes)
  35 *
  36 *  SSL is done, but can't get the certificate based authentication to work
  37 *  against on my test platform (Linux 2.4, OpenLDAP 2.x)
  38 */
  39
  40 /* NOTE: this will NOT work against an Active Directory server
  41 *  due to the fact that the two password fields cannot be retrieved
  42 *  from a server; recommend using security = domain in this situation
  43 *  and/or winbind
  44 */
  45
  46 #include "includes.h"
  47
  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 #include "smbldap.h"
  81
  82 /**********************************************************************
  83  Simple helper function to make stuff better readable
  84  **********************************************************************/
  85
  86 static LDAP *priv2ld(struct ldapsam_privates *priv)
  87 {
  88         return priv->smbldap_state->ldap_struct;
  89 }
  90
  91 /**********************************************************************
  92  Get the attribute name given a user schame version.
  93  **********************************************************************/
  94
  95 static const char* get_userattr_key2string( int schema_ver, int key )
  96 {
  97         switch ( schema_ver ) {
  98                 case SCHEMAVER_SAMBAACCOUNT:
  99                         return get_attr_key2string( attrib_map_v22, key );
 100
 101                 case SCHEMAVER_SAMBASAMACCOUNT:
 102                         return get_attr_key2string( attrib_map_v30, key );
 103
 104                 default:
 105                         DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
 106                         break;
 107         }
 108         return NULL;
 109 }
 110
 111 /**********************************************************************
 112  Return the list of attribute names given a user schema version.
 113 **********************************************************************/
 114
 115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
 116 {
 117         switch ( schema_ver ) {
 118                 case SCHEMAVER_SAMBAACCOUNT:
 119                         return get_attr_list( mem_ctx, attrib_map_v22 );
 120
 121                 case SCHEMAVER_SAMBASAMACCOUNT:
 122                         return get_attr_list( mem_ctx, attrib_map_v30 );
 123                 default:
 124                         DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
 125                         break;
 126         }
 127
 128         return NULL;
 129 }
 130
 131 /**************************************************************************
 132  Return the list of attribute names to delete given a user schema version.
 133 **************************************************************************/
 134
 135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
 136                                               int schema_ver )
 137 {
 138         switch ( schema_ver ) {
 139                 case SCHEMAVER_SAMBAACCOUNT:
 140                         return get_attr_list( mem_ctx,
 141                                               attrib_map_to_delete_v22 );
 142
 143                 case SCHEMAVER_SAMBASAMACCOUNT:
 144                         return get_attr_list( mem_ctx,
 145                                               attrib_map_to_delete_v30 );
 146                 default:
 147                         DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
 148                         break;
 149         }
 150
 151         return NULL;
 152 }
 153
 154
 155 /*******************************************************************
 156  Generate the LDAP search filter for the objectclass based on the
 157  version of the schema we are using.
 158 ******************************************************************/
 159
 160 static const char* get_objclass_filter( int schema_ver )
 161 {
 162         fstring objclass_filter;
 163         char *result;
 164
 165         switch( schema_ver ) {
 166                 case SCHEMAVER_SAMBAACCOUNT:
 167                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
 168                         break;
 169                 case SCHEMAVER_SAMBASAMACCOUNT:
 170                         fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
 171                         break;
 172                 default:
 173                         DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
 174                         objclass_filter[0] = '\0';
 175                         break;
 176         }
 177
 178         result = talloc_strdup(talloc_tos(), objclass_filter);
 179         SMB_ASSERT(result != NULL);
 180         return result;
 181 }
 182
 183 /*****************************************************************
 184  Scan a sequence number off OpenLDAP's syncrepl contextCSN
 185 ******************************************************************/
 186
 187 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
 188 {
 189         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
 190         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
 191         LDAPMessage *msg = NULL;
 192         LDAPMessage *entry = NULL;
 193         TALLOC_CTX *mem_ctx;
 194         char **values = NULL;
 195         int rc, num_result, num_values, rid;
 196         char *suffix = NULL;
 197         fstring tok;
 198         const char *p;
 199         const char **attrs;
 200
 201         /* Unfortunatly there is no proper way to detect syncrepl-support in
 202          * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
 203          * but do not show up in the root-DSE yet. Neither we can query the
 204          * subschema-context for the syncProviderSubentry or syncConsumerSubentry
 205          * objectclass. Currently we require lp_ldap_suffix() to show up as
 206          * namingContext.  -  Guenther
 207          */
 208
 209         if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
 210                 return ntstatus;
 211         }
 212
 213         if (!seq_num) {
 214                 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
 215                 return ntstatus;
 216         }
 217
 218         if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
 219                 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
 220                          "as top-level namingContext\n", lp_ldap_suffix()));
 221                 return ntstatus;
 222         }
 223
 224         mem_ctx = talloc_init("ldapsam_get_seq_num");
 225
 226         if (mem_ctx == NULL)
 227                 return NT_STATUS_NO_MEMORY;
 228
 229         if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
 230                 ntstatus = NT_STATUS_NO_MEMORY;
 231                 goto done;
 232         }
 233
 234         /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
 235         rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
 236         if (rid > 0) {
 237
 238                 /* consumer syncreplCookie: */
 239                 /* csn=20050126161620Z#0000001#00#00000 */
 240                 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
 241                 attrs[1] = NULL;
 242                 suffix = talloc_asprintf(mem_ctx,
 243                                 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
 244                 if (!suffix) {
 245                         ntstatus = NT_STATUS_NO_MEMORY;
 246                         goto done;
 247                 }
 248         } else {
 249
 250                 /* provider contextCSN */
 251                 /* 20050126161620Z#000009#00#000000 */
 252                 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
 253                 attrs[1] = NULL;
 254                 suffix = talloc_asprintf(mem_ctx,
 255                                 "cn=ldapsync,%s", lp_ldap_suffix());
 256
 257                 if (!suffix) {
 258                         ntstatus = NT_STATUS_NO_MEMORY;
 259                         goto done;
 260                 }
 261         }
 262
 263         rc = smbldap_search(ldap_state->smbldap_state, suffix,
 264                             LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
 265
 266         if (rc != LDAP_SUCCESS) {
 267                 goto done;
 268         }
 269
 270         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
 271         if (num_result != 1) {
 272                 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
 273                 goto done;
 274         }
 275
 276         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
 277         if (entry == NULL) {
 278                 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
 279                 goto done;
 280         }
 281
 282         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
 283         if (values == NULL) {
 284                 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
 285                 goto done;
 286         }
 287
 288         num_values = ldap_count_values(values);
 289         if (num_values == 0) {
 290                 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
 291                 goto done;
 292         }
 293
 294         p = values[0];
 295         if (!next_token(&p, tok, "#", sizeof(tok))) {
 296                 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
 297                 goto done;
 298         }
 299
 300         p = tok;
 301         if (!strncmp(p, "csn=", strlen("csn=")))
 302                 p += strlen("csn=");
 303
 304         DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
 305
 306         *seq_num = generalized_to_unix_time(p);
 307
 308         /* very basic sanity check */
 309         if (*seq_num <= 0) {
 310                 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
 311                         (int)*seq_num));
 312                 goto done;
 313         }
 314
 315         ntstatus = NT_STATUS_OK;
 316
 317  done:
 318         if (values != NULL)
 319                 ldap_value_free(values);
 320         if (msg != NULL)
 321                 ldap_msgfree(msg);
 322         if (mem_ctx)
 323                 talloc_destroy(mem_ctx);
 324
 325         return ntstatus;
 326 }
 327
 328 /*******************************************************************
 329  Run the search by name.
 330 ******************************************************************/
 331
 332 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
 333                                           const char *user,
 334                                           LDAPMessage ** result,
 335                                           const char **attr)
 336 {
 337         char *filter = NULL;
 338         char *escape_user = escape_ldap_string_alloc(user);
 339         int ret = -1;
 340
 341         if (!escape_user) {
 342                 return LDAP_NO_MEMORY;
 343         }
 344
 345         /*
 346          * in the filter expression, replace %u with the real name
 347          * so in ldap filter, %u MUST exist :-)
 348          */
 349         filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
 350                 get_objclass_filter(ldap_state->schema_ver));
 351         if (!filter) {
 352                 return LDAP_NO_MEMORY;
 353         }
 354         /*
 355          * have to use this here because $ is filtered out
 356          * in string_sub
 357          */
 358
 359         filter = talloc_all_string_sub(talloc_tos(),
 360                                 filter, "%u", escape_user);
 361         if (!filter) {
 362                 return LDAP_NO_MEMORY;
 363         }
 364         SAFE_FREE(escape_user);
 365
 366         ret = smbldap_search_suffix(ldap_state->smbldap_state,
 367                         filter, attr, result);
 368         TALLOC_FREE(filter);
 369         return ret;
 370 }
 371
 372 /*******************************************************************
 373  Run the search by rid.
 374 ******************************************************************/
 375
 376 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
 377                                          uint32 rid, LDAPMessage ** result,
 378                                          const char **attr)
 379 {
 380         char *filter = NULL;
 381         int rc;
 382
 383         filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
 384                 get_objclass_filter(ldap_state->schema_ver));
 385         if (!filter) {
 386                 return LDAP_NO_MEMORY;
 387         }
 388
 389         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 390                         filter, attr, result);
 391         TALLOC_FREE(filter);
 392         return rc;
 393 }
 394
 395 /*******************************************************************
 396  Run the search by SID.
 397 ******************************************************************/
 398
 399 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
 400                                  const DOM_SID *sid, LDAPMessage ** result,
 401                                  const char **attr)
 402 {
 403         char *filter = NULL;
 404         int rc;
 405         fstring sid_string;
 406
 407         filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
 408                 get_userattr_key2string(ldap_state->schema_ver,
 409                         LDAP_ATTR_USER_SID),
 410                 sid_to_string(sid_string, sid),
 411                 get_objclass_filter(ldap_state->schema_ver));
 412         if (!filter) {
 413                 return LDAP_NO_MEMORY;
 414         }
 415
 416         rc = smbldap_search_suffix(ldap_state->smbldap_state,
 417                         filter, attr, result);
 418
 419         TALLOC_FREE(filter);
 420         return rc;
 421 }
 422
 423 /*******************************************************************
 424  Delete complete object or objectclass and attrs from
 425  object found in search_result depending on lp_ldap_delete_dn
 426 ******************************************************************/
 427
 428 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
 429                                 TALLOC_CTX *mem_ctx,
 430                                 LDAPMessage *entry,
 431                                 const char *objectclass,
 432                                 const char **attrs)
 433 {
 434         LDAPMod **mods = NULL;
 435         char *name;
 436         const char *dn;
 437         BerElement *ptr = NULL;
 438
 439         dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
 440         if (dn == NULL) {
 441                 return LDAP_NO_MEMORY;
 442         }
 443
 444         if (lp_ldap_delete_dn()) {
 445                 return smbldap_delete(priv->smbldap_state, dn);
 446         }
 447
 448         /* Ok, delete only the SAM attributes */
 449
 450         for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
 451              name != NULL;
 452              name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
 453                 const char **attrib;
 454
 455                 /* We are only allowed to delete the attributes that
 456                    really exist. */
 457
 458                 for (attrib = attrs; *attrib != NULL; attrib++) {
 459                         if (strequal(*attrib, name)) {
 460                                 DEBUG(10, ("ldapsam_delete_entry: deleting "
 461                                            "attribute %s\n", name));
 462                                 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
 463                                                 NULL);
 464                         }
 465                 }
 466                 ldap_memfree(name);
 467         }
 468
 469         if (ptr != NULL) {
 470                 ber_free(ptr, 0);
 471         }
 472
 473         smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
 474         talloc_autofree_ldapmod(mem_ctx, mods);
 475
 476         return smbldap_modify(priv->smbldap_state, dn, mods);
 477 }
 478
 479 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
 480 {
 481         char *temp;
 482         struct tm tm;
 483
 484         temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
 485                         get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
 486                         talloc_tos());
 487         if (!temp) {
 488                 return (time_t) 0;
 489         }
 490
 491         if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
 492                 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
 493                         (char*)temp));
 494                 TALLOC_FREE(temp);
 495                 return (time_t) 0;
 496         }
 497         TALLOC_FREE(temp);
 498         tzset();
 499         return timegm(&tm);
 500 }
 501
 502 /**********************************************************************
 503  Initialize struct samu from an LDAP query.
 504  (Based on init_sam_from_buffer in pdb_tdb.c)
 505 *********************************************************************/
 506
 507 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
 508                                 struct samu * sampass,
 509                                 LDAPMessage * entry)
 510 {
 511         time_t  logon_time,
 512                         logoff_time,
 513                         kickoff_time,
 514                         pass_last_set_time,
 515                         pass_can_change_time,
 516                         pass_must_change_time,
 517                         ldap_entry_time,
 518                         bad_password_time;
 519         char *username = NULL,
 520                         *domain = NULL,
 521                         *nt_username = NULL,
 522                         *fullname = NULL,
 523                         *homedir = NULL,
 524                         *dir_drive = NULL,
 525                         *logon_script = NULL,
 526                         *profile_path = NULL,
 527                         *acct_desc = NULL,
 528                         *workstations = NULL,
 529                         *munged_dial = NULL;
 530         uint32          user_rid;
 531         uint8           smblmpwd[LM_HASH_LEN],
 532                         smbntpwd[NT_HASH_LEN];
 533         bool            use_samba_attrs = True;
 534         uint32          acct_ctrl = 0;
 535         uint16          logon_divs;
 536         uint16          bad_password_count = 0,
 537                         logon_count = 0;
 538         uint32 hours_len;
 539         uint8           hours[MAX_HOURS_LEN];
 540         char *temp = NULL;
 541         LOGIN_CACHE     *cache_entry = NULL;
 542         uint32          pwHistLen;
 543         bool expand_explicit = lp_passdb_expand_explicit();
 544         bool ret = false;
 545         TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
 546
 547         if (!ctx) {
 548                 return false;
 549         }
 550         if (sampass == NULL || ldap_state == NULL || entry == NULL) {
 551                 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
 552                 goto fn_exit;
 553         }
 554
 555         if (priv2ld(ldap_state) == NULL) {
 556                 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
 557                           "ldap_struct is NULL!\n"));
 558                 goto fn_exit;
 559         }
 560
 561         if (!(username = smbldap_talloc_single_attribute(priv2ld(ldap_state),
 562                                         entry,
 563                                         "uid",
 564                                         ctx))) {
 565                 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
 566                           "this user!\n"));
 567                 goto fn_exit;
 568         }
 569
 570         DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
 571
 572         nt_username = talloc_strdup(ctx, username);
 573         if (!nt_username) {
 574                 goto fn_exit;
 575         }
 576
 577         domain = talloc_strdup(ctx, ldap_state->domain_name);
 578         if (!domain) {
 579                 goto fn_exit;
 580         }
 581
 582         pdb_set_username(sampass, username, PDB_SET);
 583
 584         pdb_set_domain(sampass, domain, PDB_DEFAULT);
 585         pdb_set_nt_username(sampass, nt_username, PDB_SET);
 586
 587         /* deal with different attributes between the schema first */
 588
 589         if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
 590                 if ((temp = smbldap_talloc_single_attribute(
 591                                 ldap_state->smbldap_state->ldap_struct,
 592                                 entry,
 593                                 get_userattr_key2string(ldap_state->schema_ver,
 594                                         LDAP_ATTR_USER_SID),
 595                                 ctx))!=NULL) {
 596                         pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
 597                 }
 598         } else {
 599                 if ((temp = smbldap_talloc_single_attribute(
 600                                 ldap_state->smbldap_state->ldap_struct,
 601                                 entry,
 602                                 get_userattr_key2string(ldap_state->schema_ver,
 603                                         LDAP_ATTR_USER_RID),
 604                                 ctx))!=NULL) {
 605                         user_rid = (uint32)atol(temp);
 606                         pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
 607                 }
 608         }
 609
 610         if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
 611                 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
 612                         get_userattr_key2string(ldap_state->schema_ver,
 613                                 LDAP_ATTR_USER_SID),
 614                         get_userattr_key2string(ldap_state->schema_ver,
 615                                 LDAP_ATTR_USER_RID),
 616                         username));
 617                 return False;
 618         }
 619
 620         temp = smbldap_talloc_single_attribute(
 621                         ldap_state->smbldap_state->ldap_struct,
 622                         entry,
 623                         get_userattr_key2string(ldap_state->schema_ver,
 624                                 LDAP_ATTR_PWD_LAST_SET),
 625                         ctx);
 626         if (temp) {
 627                 pass_last_set_time = (time_t) atol(temp);
 628                 pdb_set_pass_last_set_time(sampass,
 629                                 pass_last_set_time, PDB_SET);
 630         }
 631
 632         temp = smbldap_talloc_single_attribute(
 633                         ldap_state->smbldap_state->ldap_struct,
 634                         entry,
 635                         get_userattr_key2string(ldap_state->schema_ver,
 636                                 LDAP_ATTR_LOGON_TIME),
 637                         ctx);
 638         if (temp) {
 639                 logon_time = (time_t) atol(temp);
 640                 pdb_set_logon_time(sampass, logon_time, PDB_SET);
 641         }
 642
 643         temp = smbldap_talloc_single_attribute(
 644                         ldap_state->smbldap_state->ldap_struct,
 645                         entry,
 646                         get_userattr_key2string(ldap_state->schema_ver,
 647                                 LDAP_ATTR_LOGOFF_TIME),
 648                         ctx);
 649         if (temp) {
 650                 logoff_time = (time_t) atol(temp);
 651                 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
 652         }
 653
 654         temp = smbldap_talloc_single_attribute(
 655                         ldap_state->smbldap_state->ldap_struct,
 656                         entry,
 657                         get_userattr_key2string(ldap_state->schema_ver,
 658                                 LDAP_ATTR_KICKOFF_TIME),
 659                         ctx);
 660         if (temp) {
 661                 kickoff_time = (time_t) atol(temp);
 662                 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
 663         }
 664
 665         temp = smbldap_talloc_single_attribute(
 666                         ldap_state->smbldap_state->ldap_struct,
 667                         entry,
 668                         get_userattr_key2string(ldap_state->schema_ver,
 669                                 LDAP_ATTR_PWD_CAN_CHANGE),
 670                         ctx);
 671         if (temp) {
 672                 pass_can_change_time = (time_t) atol(temp);
 673                 pdb_set_pass_can_change_time(sampass,
 674                                 pass_can_change_time, PDB_SET);
 675         }
 676
 677         temp = smbldap_talloc_single_attribute(
 678                         ldap_state->smbldap_state->ldap_struct,
 679                         entry,
 680                         get_userattr_key2string(ldap_state->schema_ver,
 681                                 LDAP_ATTR_PWD_MUST_CHANGE),
 682                         ctx);
 683         if (temp) {
 684                 pass_must_change_time = (time_t) atol(temp);
 685                 pdb_set_pass_must_change_time(sampass,
 686                                 pass_must_change_time, PDB_SET);
 687         }
 688
 689         /* recommend that 'gecos' and 'displayName' should refer to the same
 690          * attribute OID.  userFullName depreciated, only used by Samba
 691          * primary rules of LDAP: don't make a new attribute when one is already defined
 692          * that fits your needs; using cn then displayName rather than 'userFullName'
 693          */
 694
 695         fullname = smbldap_talloc_single_attribute(
 696                         ldap_state->smbldap_state->ldap_struct,
 697                         entry,
 698                         get_userattr_key2string(ldap_state->schema_ver,
 699                                 LDAP_ATTR_DISPLAY_NAME),
 700                         ctx);
 701         if (fullname) {
 702                 pdb_set_fullname(sampass, fullname, PDB_SET);
 703         } else {
 704                 fullname = smbldap_talloc_single_attribute(
 705                                 ldap_state->smbldap_state->ldap_struct,
 706                                 entry,
 707                                 get_userattr_key2string(ldap_state->schema_ver,
 708                                         LDAP_ATTR_CN),
 709                                 ctx);
 710                 if (fullname) {
 711                         pdb_set_fullname(sampass, fullname, PDB_SET);
 712                 }
 713         }
 714
 715         dir_drive = smbldap_talloc_single_attribute(
 716                         ldap_state->smbldap_state->ldap_struct,
 717                         entry,
 718                         get_userattr_key2string(ldap_state->schema_ver,
 719                                 LDAP_ATTR_HOME_DRIVE),
 720                         ctx);
 721         if (dir_drive) {
 722                 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
 723         } else {
 724                 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
 725         }
 726
 727         homedir = smbldap_talloc_single_attribute(
 728                         ldap_state->smbldap_state->ldap_struct,
 729                         entry,
 730                         get_userattr_key2string(ldap_state->schema_ver,
 731                                 LDAP_ATTR_HOME_PATH),
 732                         ctx);
 733         if (homedir) {
 734                 if (expand_explicit) {
 735                         homedir = talloc_sub_basic(ctx,
 736                                                 username,
 737                                                 domain,
 738                                                 homedir);
 739                         if (!homedir) {
 740                                 goto fn_exit;
 741                         }
 742                 }
 743                 pdb_set_homedir(sampass, homedir, PDB_SET);
 744         } else {
 745                 pdb_set_homedir(sampass,
 746                         talloc_sub_basic(ctx, username, domain,
 747                                          lp_logon_home()),
 748                         PDB_DEFAULT);
 749         }
 750
 751         logon_script = smbldap_talloc_single_attribute(
 752                         ldap_state->smbldap_state->ldap_struct,
 753                         entry,
 754                         get_userattr_key2string(ldap_state->schema_ver,
 755                                 LDAP_ATTR_LOGON_SCRIPT),
 756                         ctx);
 757         if (logon_script) {
 758                 if (expand_explicit) {
 759                         logon_script = talloc_sub_basic(ctx,
 760                                                 username,
 761                                                 domain,
 762                                                 logon_script);
 763                         if (!logon_script) {
 764                                 goto fn_exit;
 765                         }
 766                 }
 767                 pdb_set_logon_script(sampass, logon_script, PDB_SET);
 768         } else {
 769                 pdb_set_logon_script(sampass,
 770                         talloc_sub_basic(ctx, username, domain,
 771                                          lp_logon_script()),
 772                         PDB_DEFAULT );
 773         }
 774
 775         profile_path = smbldap_talloc_single_attribute(
 776                         ldap_state->smbldap_state->ldap_struct,
 777                         entry,
 778                         get_userattr_key2string(ldap_state->schema_ver,
 779                                 LDAP_ATTR_PROFILE_PATH),
 780                         ctx);
 781         if (profile_path) {
 782                 if (expand_explicit) {
 783                         profile_path = talloc_sub_basic(ctx,
 784                                                 username,
 785                                                 domain,
 786                                                 profile_path);
 787                         if (!profile_path) {
 788                                 goto fn_exit;
 789                         }
 790                 }
 791                 pdb_set_profile_path(sampass, profile_path, PDB_SET);
 792         } else {
 793                 pdb_set_profile_path(sampass,
 794                         talloc_sub_basic(ctx, username, domain,
 795                                           lp_logon_path()),
 796                         PDB_DEFAULT );
 797         }
 798
 799         acct_desc = smbldap_talloc_single_attribute(
 800                         ldap_state->smbldap_state->ldap_struct,
 801                         entry,
 802                         get_userattr_key2string(ldap_state->schema_ver,
 803                                 LDAP_ATTR_DESC),
 804                         ctx);
 805         if (acct_desc) {
 806                 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
 807         }
 808
 809         workstations = smbldap_talloc_single_attribute(
 810                         ldap_state->smbldap_state->ldap_struct,
 811                         entry,
 812                         get_userattr_key2string(ldap_state->schema_ver,
 813                                 LDAP_ATTR_USER_WKS),
 814                         ctx);
 815         if (workstations) {
 816                 pdb_set_workstations(sampass, workstations, PDB_SET);
 817         }
 818
 819         munged_dial = smbldap_talloc_single_attribute(
 820                         ldap_state->smbldap_state->ldap_struct,
 821                         entry,
 822                         get_userattr_key2string(ldap_state->schema_ver,
 823                                 LDAP_ATTR_MUNGED_DIAL),
 824                         ctx);
 825         if (munged_dial) {
 826                 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
 827         }
 828
 829         /* FIXME: hours stuff should be cleaner */
 830
 831         logon_divs = 168;
 832         hours_len = 21;
 833         memset(hours, 0xff, hours_len);
 834
 835         if (ldap_state->is_nds_ldap) {
 836                 char *user_dn;
 837                 size_t pwd_len;
 838                 char clear_text_pw[512];
 839
 840                 /* Make call to Novell eDirectory ldap extension to get clear text password.
 841                         NOTE: This will only work if we have an SSL connection to eDirectory. */
 842                 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
 843                 if (user_dn != NULL) {
 844                         DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
 845
 846                         pwd_len = sizeof(clear_text_pw);
 847                         if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
 848                                 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
 849                                 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 850                                         SAFE_FREE(user_dn);
 851                                         return False;
 852                                 }
 853                                 ZERO_STRUCT(smblmpwd);
 854                                 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 855                                         SAFE_FREE(user_dn);
 856                                         return False;
 857                                 }
 858                                 ZERO_STRUCT(smbntpwd);
 859                                 use_samba_attrs = False;
 860                         }
 861
 862                         SAFE_FREE(user_dn);
 863
 864                 } else {
 865                         DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
 866                 }
 867         }
 868
 869         if (use_samba_attrs) {
 870                 temp = smbldap_talloc_single_attribute(
 871                                 ldap_state->smbldap_state->ldap_struct,
 872                                 entry,
 873                                 get_userattr_key2string(ldap_state->schema_ver,
 874                                         LDAP_ATTR_LMPW),
 875                                 ctx);
 876                 if (temp) {
 877                         pdb_gethexpwd(temp, smblmpwd);
 878                         memset((char *)temp, '\0', strlen(temp)+1);
 879                         if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
 880                                 goto fn_exit;
 881                         }
 882                         ZERO_STRUCT(smblmpwd);
 883                 }
 884
 885                 temp = smbldap_talloc_single_attribute(
 886                                 ldap_state->smbldap_state->ldap_struct,
 887                                 entry,
 888                                 get_userattr_key2string(ldap_state->schema_ver,
 889                                         LDAP_ATTR_NTPW),
 890                                 ctx);
 891                 if (temp) {
 892                         pdb_gethexpwd(temp, smbntpwd);
 893                         memset((char *)temp, '\0', strlen(temp)+1);
 894                         if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
 895                                 goto fn_exit;
 896                         }
 897                         ZERO_STRUCT(smbntpwd);
 898                 }
 899         }
 900
 901         pwHistLen = 0;
 902
 903         pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
 904         if (pwHistLen > 0){
 905                 uint8 *pwhist = NULL;
 906                 int i;
 907                 char *history_string = TALLOC_ARRAY(ctx, char,
 908                                                 MAX_PW_HISTORY_LEN*64);
 909
 910                 if (!history_string) {
 911                         goto fn_exit;
 912                 }
 913
 914                 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
 915
 916                 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
 917                                         pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
 918                                 NULL){
 919                         DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
 920                         goto fn_exit;
 921                 }
 922                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 923
 924                 if (smbldap_get_single_attribute(
 925                                 ldap_state->smbldap_state->ldap_struct,
 926                                 entry,
 927                                 get_userattr_key2string(ldap_state->schema_ver,
 928                                         LDAP_ATTR_PWD_HISTORY),
 929                                 history_string,
 930                                 MAX_PW_HISTORY_LEN*64)) {
 931                         bool hex_failed = false;
 932                         for (i = 0; i < pwHistLen; i++){
 933                                 /* Get the 16 byte salt. */
 934                                 if (!pdb_gethexpwd(&history_string[i*64],
 935                                         &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
 936                                         hex_failed = true;
 937                                         break;
 938                                 }
 939                                 /* Get the 16 byte MD5 hash of salt+passwd. */
 940                                 if (!pdb_gethexpwd(&history_string[(i*64)+32],
 941                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
 942                                                 PW_HISTORY_SALT_LEN])) {
 943                                         hex_failed = True;
 944                                         break;
 945                                 }
 946                         }
 947                         if (hex_failed) {
 948                                 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
 949                                         username));
 950                                 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
 951                         }
 952                 }
 953                 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
 954                         goto fn_exit;
 955                 }
 956         }
 957
 958         temp = smbldap_talloc_single_attribute(
 959                         ldap_state->smbldap_state->ldap_struct,
 960                         entry,
 961                         get_userattr_key2string(ldap_state->schema_ver,
 962                                 LDAP_ATTR_ACB_INFO),
 963                         ctx);
 964         if (temp) {
 965                 acct_ctrl = pdb_decode_acct_ctrl(temp);
 966
 967                 if (acct_ctrl == 0) {
 968                         acct_ctrl |= ACB_NORMAL;
 969                 }
 970
 971                 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
 972         } else {
 973                 acct_ctrl |= ACB_NORMAL;
 974         }
 975
 976         pdb_set_hours_len(sampass, hours_len, PDB_SET);
 977         pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
 978
 979         temp = smbldap_talloc_single_attribute(
 980                         ldap_state->smbldap_state->ldap_struct,
 981                         entry,
 982                         get_userattr_key2string(ldap_state->schema_ver,
 983                                 LDAP_ATTR_BAD_PASSWORD_COUNT),
 984                         ctx);
 985         if (temp) {
 986                 bad_password_count = (uint32) atol(temp);
 987                 pdb_set_bad_password_count(sampass,
 988                                 bad_password_count, PDB_SET);
 989         }
 990
 991         temp = smbldap_talloc_single_attribute(
 992                         ldap_state->smbldap_state->ldap_struct,
 993                         entry,
 994                         get_userattr_key2string(ldap_state->schema_ver,
 995                                 LDAP_ATTR_BAD_PASSWORD_TIME),
 996                         ctx);
 997         if (temp) {
 998                 bad_password_time = (time_t) atol(temp);
 999                 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1000         }
1001
1002
1003         temp = smbldap_talloc_single_attribute(
1004                         ldap_state->smbldap_state->ldap_struct,
1005                         entry,
1006                         get_userattr_key2string(ldap_state->schema_ver,
1007                                 LDAP_ATTR_LOGON_COUNT),
1008                         ctx);
1009         if (temp) {
1010                 logon_count = (uint32) atol(temp);
1011                 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1012         }
1013
1014         /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1015
1016         temp = smbldap_talloc_single_attribute(
1017                         ldap_state->smbldap_state->ldap_struct,
1018                         entry,
1019                         get_userattr_key2string(ldap_state->schema_ver,
1020                                 LDAP_ATTR_LOGON_HOURS),
1021                         ctx);
1022         if (temp) {
1023                 pdb_gethexhours(temp, hours);
1024                 memset((char *)temp, '\0', strlen(temp) +1);
1025                 pdb_set_hours(sampass, hours, PDB_SET);
1026                 ZERO_STRUCT(hours);
1027         }
1028
1029         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1030                 temp = smbldap_talloc_single_attribute(
1031                                 priv2ld(ldap_state),
1032                                 entry,
1033                                 "uidNumber",
1034                                 ctx);
1035                 if (temp) {
1036                         /* We've got a uid, feed the cache */
1037                         uid_t uid = strtoul(temp, NULL, 10);
1038                         store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1039                 }
1040         }
1041
1042         /* check the timestamp of the cache vs ldap entry */
1043         if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1044                                                             entry))) {
1045                 ret = true;
1046                 goto fn_exit;
1047         }
1048
1049         /* see if we have newer updates */
1050         if (!(cache_entry = login_cache_read(sampass))) {
1051                 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1052                            (unsigned int)pdb_get_bad_password_count(sampass),
1053                            (unsigned int)pdb_get_bad_password_time(sampass)));
1054                 ret = true;
1055                 goto fn_exit;
1056         }
1057
1058         DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1059                   (unsigned int)ldap_entry_time,
1060                   (unsigned int)cache_entry->entry_timestamp,
1061                   (unsigned int)cache_entry->bad_password_time));
1062
1063         if (ldap_entry_time > cache_entry->entry_timestamp) {
1064                 /* cache is older than directory , so
1065                    we need to delete the entry but allow the
1066                    fields to be written out */
1067                 login_cache_delentry(sampass);
1068         } else {
1069                 /* read cache in */
1070                 pdb_set_acct_ctrl(sampass,
1071                                   pdb_get_acct_ctrl(sampass) |
1072                                   (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1073                                   PDB_SET);
1074                 pdb_set_bad_password_count(sampass,
1075                                            cache_entry->bad_password_count,
1076                                            PDB_SET);
1077                 pdb_set_bad_password_time(sampass,
1078                                           cache_entry->bad_password_time,
1079                                           PDB_SET);
1080         }
1081
1082         ret = true;
1083
1084   fn_exit:
1085
1086         TALLOC_FREE(ctx);
1087         SAFE_FREE(cache_entry);
1088         return ret;
1089 }
1090
1091 /**********************************************************************
1092  Initialize the ldap db from a struct samu. Called on update.
1093  (Based on init_buffer_from_sam in pdb_tdb.c)
1094 *********************************************************************/
1095
1096 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1097                                 LDAPMessage *existing,
1098                                 LDAPMod *** mods, struct samu * sampass,
1099                                 bool (*need_update)(const struct samu *,
1100                                                     enum pdb_elements))
1101 {
1102         char *temp = NULL;
1103         uint32 rid;
1104
1105         if (mods == NULL || sampass == NULL) {
1106                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1107                 return False;
1108         }
1109
1110         *mods = NULL;
1111
1112         /*
1113          * took out adding "objectclass: sambaAccount"
1114          * do this on a per-mod basis
1115          */
1116         if (need_update(sampass, PDB_USERNAME)) {
1117                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1118                               "uid", pdb_get_username(sampass));
1119                 if (ldap_state->is_nds_ldap) {
1120                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1121                                       "cn", pdb_get_username(sampass));
1122                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123                                       "sn", pdb_get_username(sampass));
1124                 }
1125         }
1126
1127         DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1128
1129         /* only update the RID if we actually need to */
1130         if (need_update(sampass, PDB_USERSID)) {
1131                 fstring sid_string;
1132                 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1133
1134                 switch ( ldap_state->schema_ver ) {
1135                         case SCHEMAVER_SAMBAACCOUNT:
1136                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1137                                         DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1138                                                   sid_string_static(user_sid),
1139                                                   sid_string_static(&ldap_state->domain_sid)));
1140                                         return False;
1141                                 }
1142                                 if (asprintf(&temp, "%i", rid) < 0) {
1143                                         return false;
1144                                 }
1145                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1146                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1147                                         temp);
1148                                 SAFE_FREE(temp);
1149                                 break;
1150
1151                         case SCHEMAVER_SAMBASAMACCOUNT:
1152                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1153                                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1154                                         sid_to_string(sid_string, user_sid));
1155                                 break;
1156
1157                         default:
1158                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1159                                 break;
1160                 }
1161         }
1162
1163         /* we don't need to store the primary group RID - so leaving it
1164            'free' to hang off the unix primary group makes life easier */
1165
1166         if (need_update(sampass, PDB_GROUPSID)) {
1167                 fstring sid_string;
1168                 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1169
1170                 switch ( ldap_state->schema_ver ) {
1171                         case SCHEMAVER_SAMBAACCOUNT:
1172                                 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1173                                         DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1174                                                   sid_string_static(group_sid),
1175                                                   sid_string_static(&ldap_state->domain_sid)));
1176                                         return False;
1177                                 }
1178
1179                                 if (asprintf(&temp, "%i", rid) < 0) {
1180                                         return false;
1181                                 }
1182                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1183                                         get_userattr_key2string(ldap_state->schema_ver,
1184                                         LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1185                                 SAFE_FREE(temp);
1186                                 break;
1187
1188                         case SCHEMAVER_SAMBASAMACCOUNT:
1189                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1190                                         get_userattr_key2string(ldap_state->schema_ver,
1191                                         LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1192                                 break;
1193
1194                         default:
1195                                 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1196                                 break;
1197                 }
1198
1199         }
1200
1201         /* displayName, cn, and gecos should all be the same
1202          *  most easily accomplished by giving them the same OID
1203          *  gecos isn't set here b/c it should be handled by the
1204          *  add-user script
1205          *  We change displayName only and fall back to cn if
1206          *  it does not exist.
1207          */
1208
1209         if (need_update(sampass, PDB_FULLNAME))
1210                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1211                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1212                         pdb_get_fullname(sampass));
1213
1214         if (need_update(sampass, PDB_ACCTDESC))
1215                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1216                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1217                         pdb_get_acct_desc(sampass));
1218
1219         if (need_update(sampass, PDB_WORKSTATIONS))
1220                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1221                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1222                         pdb_get_workstations(sampass));
1223
1224         if (need_update(sampass, PDB_MUNGEDDIAL))
1225                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1226                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1227                         pdb_get_munged_dial(sampass));
1228
1229         if (need_update(sampass, PDB_SMBHOME))
1230                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1231                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1232                         pdb_get_homedir(sampass));
1233
1234         if (need_update(sampass, PDB_DRIVE))
1235                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1236                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1237                         pdb_get_dir_drive(sampass));
1238
1239         if (need_update(sampass, PDB_LOGONSCRIPT))
1240                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1241                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1242                         pdb_get_logon_script(sampass));
1243
1244         if (need_update(sampass, PDB_PROFILE))
1245                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1246                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1247                         pdb_get_profile_path(sampass));
1248
1249         if (asprintf(&temp, "%li", pdb_get_logon_time(sampass)) < 0) {
1250                 return false;
1251         }
1252         if (need_update(sampass, PDB_LOGONTIME))
1253                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1254                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1255         SAFE_FREE(temp);
1256
1257         if (asprintf(&temp, "%li", pdb_get_logoff_time(sampass)) < 0) {
1258                 return false;
1259         }
1260         if (need_update(sampass, PDB_LOGOFFTIME))
1261                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1262                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1263         SAFE_FREE(temp);
1264
1265         if (asprintf(&temp, "%li", pdb_get_kickoff_time(sampass)) < 0) {
1266                 return false;
1267         }
1268         if (need_update(sampass, PDB_KICKOFFTIME))
1269                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1270                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1271         SAFE_FREE(temp);
1272
1273         if (asprintf(&temp, "%li", pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1274                 return false;
1275         }
1276         if (need_update(sampass, PDB_CANCHANGETIME))
1277                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1278                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1279         SAFE_FREE(temp);
1280
1281         if (asprintf(&temp, "%li", pdb_get_pass_must_change_time(sampass)) < 0) {
1282                 return false;
1283         }
1284         if (need_update(sampass, PDB_MUSTCHANGETIME))
1285                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1287         SAFE_FREE(temp);
1288
1289         if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1290                         || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1291
1292                 if (need_update(sampass, PDB_LMPASSWD)) {
1293                         const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1294                         if (lm_pw) {
1295                                 char pwstr[34];
1296                                 pdb_sethexpwd(pwstr, lm_pw,
1297                                               pdb_get_acct_ctrl(sampass));
1298                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1299                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1300                                                  pwstr);
1301                         } else {
1302                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1303                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1304                                                  NULL);
1305                         }
1306                 }
1307                 if (need_update(sampass, PDB_NTPASSWD)) {
1308                         const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1309                         if (nt_pw) {
1310                                 char pwstr[34];
1311                                 pdb_sethexpwd(pwstr, nt_pw,
1312                                               pdb_get_acct_ctrl(sampass));
1313                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1314                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1315                                                  pwstr);
1316                         } else {
1317                                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1318                                                  get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1319                                                  NULL);
1320                         }
1321                 }
1322
1323                 if (need_update(sampass, PDB_PWHISTORY)) {
1324                         char *pwstr = NULL;
1325                         uint32 pwHistLen = 0;
1326                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1327
1328                         pwstr = SMB_MALLOC_ARRAY(char, 1024);
1329                         if (!pwstr) {
1330                                 return false;
1331                         }
1332                         if (pwHistLen == 0) {
1333                                 /* Remove any password history from the LDAP store. */
1334                                 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1335                                 pwstr[64] = '\0';
1336                         } else {
1337                                 int i;
1338                                 uint32 currHistLen = 0;
1339                                 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1340                                 if (pwhist != NULL) {
1341                                         /* We can only store (1024-1/64 password history entries. */
1342                                         pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1343                                         for (i=0; i< pwHistLen && i < currHistLen; i++) {
1344                                                 /* Store the salt. */
1345                                                 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1346                                                 /* Followed by the md5 hash of salt + md4 hash */
1347                                                 pdb_sethexpwd(&pwstr[(i*64)+32],
1348                                                         &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1349                                                 DEBUG(100, ("pwstr=%s\n", pwstr));
1350                                         }
1351                                 }
1352                         }
1353                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1354                                          get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1355                                          pwstr);
1356                         SAFE_FREE(pwstr);
1357                 }
1358
1359                 if (need_update(sampass, PDB_PASSLASTSET)) {
1360                         if (asprintf(&temp, "%li",
1361                                 pdb_get_pass_last_set_time(sampass)) < 0) {
1362                                 return false;
1363                         }
1364                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1365                                 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1366                                 temp);
1367                         SAFE_FREE(temp);
1368                 }
1369         }
1370
1371         if (need_update(sampass, PDB_HOURS)) {
1372                 const uint8 *hours = pdb_get_hours(sampass);
1373                 if (hours) {
1374                         char hourstr[44];
1375                         pdb_sethexhours(hourstr, hours);
1376                         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1377                                 existing,
1378                                 mods,
1379                                 get_userattr_key2string(ldap_state->schema_ver,
1380                                                 LDAP_ATTR_LOGON_HOURS),
1381                                 hourstr);
1382                 }
1383         }
1384
1385         if (need_update(sampass, PDB_ACCTCTRL))
1386                 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1387                         get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1388                         pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1389
1390         /* password lockout cache:
1391            - If we are now autolocking or clearing, we write to ldap
1392            - If we are clearing, we delete the cache entry
1393            - If the count is > 0, we update the cache
1394
1395            This even means when autolocking, we cache, just in case the
1396            update doesn't work, and we have to cache the autolock flag */
1397
1398         if (need_update(sampass, PDB_BAD_PASSWORD_COUNT))  /* &&
1399             need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1400                 uint16 badcount = pdb_get_bad_password_count(sampass);
1401                 time_t badtime = pdb_get_bad_password_time(sampass);
1402                 uint32 pol;
1403                 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1404
1405                 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1406                         (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1407
1408                 if ((badcount >= pol) || (badcount == 0)) {
1409                         DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1410                                 (unsigned int)badcount, (unsigned int)badtime));
1411                         if (asprintf(&temp, "%li", (long)badcount) < 0) {
1412                                 return false;
1413                         }
1414                         smbldap_make_mod(
1415                                 ldap_state->smbldap_state->ldap_struct,
1416                                 existing, mods,
1417                                 get_userattr_key2string(
1418                                         ldap_state->schema_ver,
1419                                         LDAP_ATTR_BAD_PASSWORD_COUNT),
1420                                 temp);
1421                         SAFE_FREE(temp);
1422
1423                         if (asprintf(&temp, "%li", badtime) < 0) {
1424                                 return false;
1425                         }
1426                         smbldap_make_mod(
1427                                 ldap_state->smbldap_state->ldap_struct,
1428                                 existing, mods,
1429                                 get_userattr_key2string(
1430                                         ldap_state->schema_ver,
1431                                         LDAP_ATTR_BAD_PASSWORD_TIME),
1432                                 temp);
1433                         SAFE_FREE(temp);
1434                 }
1435                 if (badcount == 0) {
1436                         DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1437                         login_cache_delentry(sampass);
1438                 } else {
1439                         LOGIN_CACHE cache_entry;
1440
1441                         cache_entry.entry_timestamp = time(NULL);
1442                         cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1443                         cache_entry.bad_password_count = badcount;
1444                         cache_entry.bad_password_time = badtime;
1445
1446                         DEBUG(7, ("Updating bad password count and time in login cache\n"));
1447                         login_cache_write(sampass, cache_entry);
1448                 }
1449         }
1450
1451         return True;
1452 }
1453
1454 /**********************************************************************
1455  Connect to LDAP server for password enumeration.
1456 *********************************************************************/
1457
1458 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, bool update, uint32 acb_mask)
1459 {
1460         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1461         int rc;
1462         char *filter = NULL;
1463         const char *suffix;
1464         const char **attr_list;
1465         bool machine_mask = False, user_mask = False;
1466         NTSTATUS status = NT_STATUS_OK;
1467         TALLOC_CTX *ctx = talloc_init("ldapsam_setsampwent");
1468
1469         if (!ctx) {
1470                 return NT_STATUS_NO_MEMORY;
1471         }
1472         filter = talloc_asprintf(ctx, "(&%s%s)", "(uid=%u)",
1473                 get_objclass_filter(ldap_state->schema_ver));
1474         if (!filter) {
1475                 status = NT_STATUS_NO_MEMORY;
1476                 goto out;
1477         }
1478
1479         filter = talloc_all_string_sub(ctx, filter, "%u", "*");
1480         if (!filter) {
1481                 status = NT_STATUS_NO_MEMORY;
1482                 goto out;
1483         }
1484
1485         machine_mask    = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1486         user_mask       = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1487
1488         if (machine_mask) {
1489                 suffix = lp_ldap_machine_suffix();
1490         } else if (user_mask) {
1491                 suffix = lp_ldap_user_suffix();
1492         } else {
1493                 suffix = lp_ldap_suffix();
1494         }
1495
1496         DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1497                 acb_mask, suffix));
1498
1499         attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1500         rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1501                             attr_list, 0, &ldap_state->result);
1502         TALLOC_FREE( attr_list );
1503
1504         if (rc != LDAP_SUCCESS) {
1505                 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1506                 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1507                 ldap_msgfree(ldap_state->result);
1508                 ldap_state->result = NULL;
1509                 status = NT_STATUS_UNSUCCESSFUL;
1510                 goto out;
1511         }
1512
1513         DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1514                 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1515                 ldap_state->result), suffix));
1516
1517         ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1518                                  ldap_state->result);
1519         ldap_state->index = 0;
1520
1521   out:
1522
1523         TALLOC_FREE(ctx);
1524         return status;
1525 }
1526
1527 /**********************************************************************
1528  End enumeration of the LDAP password list.
1529 *********************************************************************/
1530
1531 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1532 {
1533         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1534         if (ldap_state->result) {
1535                 ldap_msgfree(ldap_state->result);
1536                 ldap_state->result = NULL;
1537         }
1538 }
1539
1540 /**********************************************************************
1541 Get the next entry in the LDAP password database.
1542 *********************************************************************/
1543
1544 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1545                                     struct samu *user)
1546 {
1547         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1548         struct ldapsam_privates *ldap_state =
1549                 (struct ldapsam_privates *)my_methods->private_data;
1550         bool bret = False;
1551
1552         while (!bret) {
1553                 if (!ldap_state->entry)
1554                         return ret;
1555
1556                 ldap_state->index++;
1557                 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1558
1559                 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1560                                                     ldap_state->entry);
1561         }
1562
1563         return NT_STATUS_OK;
1564 }
1565
1566 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1567                         const char *new_attr)
1568 {
1569         int i;
1570
1571         if (new_attr == NULL) {
1572                 return;
1573         }
1574
1575         for (i=0; (*attr_list)[i] != NULL; i++) {
1576                 ;
1577         }
1578
1579         (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1580                                             const char *,  i+2);
1581         SMB_ASSERT((*attr_list) != NULL);
1582         (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1583         (*attr_list)[i+1] = NULL;
1584 }
1585
1586 /**********************************************************************
1587 Get struct samu entry from LDAP by username.
1588 *********************************************************************/
1589
1590 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1591 {
1592         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1593         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1594         LDAPMessage *result = NULL;
1595         LDAPMessage *entry = NULL;
1596         int count;
1597         const char ** attr_list;
1598         int rc;
1599
1600         attr_list = get_userattr_list( user, ldap_state->schema_ver );
1601         append_attr(user, &attr_list,
1602                     get_userattr_key2string(ldap_state->schema_ver,
1603                                             LDAP_ATTR_MOD_TIMESTAMP));
1604         append_attr(user, &attr_list, "uidNumber");
1605         rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1606                                            attr_list);
1607         TALLOC_FREE( attr_list );
1608
1609         if ( rc != LDAP_SUCCESS )
1610                 return NT_STATUS_NO_SUCH_USER;
1611
1612         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1613
1614         if (count < 1) {
1615                 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1616                 ldap_msgfree(result);
1617                 return NT_STATUS_NO_SUCH_USER;
1618         } else if (count > 1) {
1619                 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1620                 ldap_msgfree(result);
1621                 return NT_STATUS_NO_SUCH_USER;
1622         }
1623
1624         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1625         if (entry) {
1626                 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1627                         DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1628                         ldap_msgfree(result);
1629                         return NT_STATUS_NO_SUCH_USER;
1630                 }
1631                 pdb_set_backend_private_data(user, result, NULL,
1632                                              my_methods, PDB_CHANGED);
1633                 talloc_autofree_ldapmsg(user, result);
1634                 ret = NT_STATUS_OK;
1635         } else {
1636                 ldap_msgfree(result);
1637         }
1638         return ret;
1639 }
1640
1641 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1642                                    const DOM_SID *sid, LDAPMessage **result)
1643 {
1644         int rc = -1;
1645         const char ** attr_list;
1646         uint32 rid;
1647
1648         switch ( ldap_state->schema_ver ) {
1649                 case SCHEMAVER_SAMBASAMACCOUNT: {
1650                         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1651                         if (tmp_ctx == NULL) {
1652                                 return LDAP_NO_MEMORY;
1653                         }
1654
1655                         attr_list = get_userattr_list(tmp_ctx,
1656                                                       ldap_state->schema_ver);
1657                         append_attr(tmp_ctx, &attr_list,
1658                                     get_userattr_key2string(
1659                                             ldap_state->schema_ver,
1660                                             LDAP_ATTR_MOD_TIMESTAMP));
1661                         append_attr(tmp_ctx, &attr_list, "uidNumber");
1662                         rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1663                                                           result, attr_list);
1664                         TALLOC_FREE(tmp_ctx);
1665
1666                         if ( rc != LDAP_SUCCESS )
1667                                 return rc;
1668                         break;
1669                 }
1670
1671                 case SCHEMAVER_SAMBAACCOUNT:
1672                         if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1673                                 return rc;
1674                         }
1675
1676                         attr_list = get_userattr_list(NULL,
1677                                                       ldap_state->schema_ver);
1678                         rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1679                         TALLOC_FREE( attr_list );
1680
1681                         if ( rc != LDAP_SUCCESS )
1682                                 return rc;
1683                         break;
1684         }
1685         return rc;
1686 }
1687
1688 /**********************************************************************
1689  Get struct samu entry from LDAP by SID.
1690 *********************************************************************/
1691
1692 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1693 {
1694         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1695         LDAPMessage *result = NULL;
1696         LDAPMessage *entry = NULL;
1697         int count;
1698         int rc;
1699         fstring sid_string;
1700
1701         rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1702                                           sid, &result);
1703         if (rc != LDAP_SUCCESS)
1704                 return NT_STATUS_NO_SUCH_USER;
1705
1706         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1707
1708         if (count < 1) {
1709                 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1710                        count));
1711                 ldap_msgfree(result);
1712                 return NT_STATUS_NO_SUCH_USER;
1713         }  else if (count > 1) {
1714                 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1715                        count));
1716                 ldap_msgfree(result);
1717                 return NT_STATUS_NO_SUCH_USER;
1718         }
1719
1720         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1721         if (!entry) {
1722                 ldap_msgfree(result);
1723                 return NT_STATUS_NO_SUCH_USER;
1724         }
1725
1726         if (!init_sam_from_ldap(ldap_state, user, entry)) {
1727                 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1728                 ldap_msgfree(result);
1729                 return NT_STATUS_NO_SUCH_USER;
1730         }
1731
1732         pdb_set_backend_private_data(user, result, NULL,
1733                                      my_methods, PDB_CHANGED);
1734         talloc_autofree_ldapmsg(user, result);
1735         return NT_STATUS_OK;
1736 }
1737
1738 /********************************************************************
1739  Do the actual modification - also change a plaintext passord if
1740  it it set.
1741 **********************************************************************/
1742
1743 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1744                                      struct samu *newpwd, char *dn,
1745                                      LDAPMod **mods, int ldap_op,
1746                                      bool (*need_update)(const struct samu *, enum pdb_elements))
1747 {
1748         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1749         int rc;
1750
1751         if (!newpwd || !dn) {
1752                 return NT_STATUS_INVALID_PARAMETER;
1753         }
1754
1755         if (!mods) {
1756                 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1757                 /* may be password change below however */
1758         } else {
1759                 switch(ldap_op) {
1760                         case LDAP_MOD_ADD:
1761                                 if (ldap_state->is_nds_ldap) {
1762                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1763                                                         "objectclass",
1764                                                         "inetOrgPerson");
1765                                 } else {
1766                                         smbldap_set_mod(&mods, LDAP_MOD_ADD,
1767                                                         "objectclass",
1768                                                         LDAP_OBJ_ACCOUNT);
1769                                 }
1770                                 rc = smbldap_add(ldap_state->smbldap_state,
1771                                                  dn, mods);
1772                                 break;
1773                         case LDAP_MOD_REPLACE:
1774                                 rc = smbldap_modify(ldap_state->smbldap_state,
1775                                                     dn ,mods);
1776                                 break;
1777                         default:
1778                                 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1779                                          ldap_op));
1780                                 return NT_STATUS_INVALID_PARAMETER;
1781                 }
1782
1783                 if (rc!=LDAP_SUCCESS) {
1784                         return NT_STATUS_UNSUCCESSFUL;
1785                 }
1786         }
1787
1788         if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1789                         (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1790                         need_update(newpwd, PDB_PLAINTEXT_PW) &&
1791                         (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1792                 BerElement *ber;
1793                 struct berval *bv;
1794                 char *retoid = NULL;
1795                 struct berval *retdata = NULL;
1796                 char *utf8_password;
1797                 char *utf8_dn;
1798
1799                 if (!ldap_state->is_nds_ldap) {
1800
1801                         if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1802                                                    LDAP_EXOP_MODIFY_PASSWD)) {
1803                                 DEBUG(2, ("ldap password change requested, but LDAP "
1804                                           "server does not support it -- ignoring\n"));
1805                                 return NT_STATUS_OK;
1806                         }
1807                 }
1808
1809                 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1810                         return NT_STATUS_NO_MEMORY;
1811                 }
1812
1813                 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1814                         SAFE_FREE(utf8_password);
1815                         return NT_STATUS_NO_MEMORY;
1816                 }
1817
1818                 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1819                         DEBUG(0,("ber_alloc_t returns NULL\n"));
1820                         SAFE_FREE(utf8_password);
1821                         SAFE_FREE(utf8_dn);
1822                         return NT_STATUS_UNSUCCESSFUL;
1823                 }
1824
1825                 ber_printf (ber, "{");
1826                 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1827                 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1828                 ber_printf (ber, "n}");
1829
1830                 if ((rc = ber_flatten (ber, &bv))<0) {
1831                         DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1832                         ber_free(ber,1);
1833                         SAFE_FREE(utf8_dn);
1834                         SAFE_FREE(utf8_password);
1835                         return NT_STATUS_UNSUCCESSFUL;
1836                 }
1837
1838                 SAFE_FREE(utf8_dn);
1839                 SAFE_FREE(utf8_password);
1840                 ber_free(ber, 1);
1841
1842                 if (!ldap_state->is_nds_ldap) {
1843                         rc = smbldap_extended_operation(ldap_state->smbldap_state,
1844                                                         LDAP_EXOP_MODIFY_PASSWD,
1845                                                         bv, NULL, NULL, &retoid,
1846                                                         &retdata);
1847                 } else {
1848                         rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1849                                                         pdb_get_plaintext_passwd(newpwd));
1850                 }
1851                 if (rc != LDAP_SUCCESS) {
1852                         char *ld_error = NULL;
1853
1854                         if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1855                                 DEBUG(3, ("Could not set userPassword "
1856                                           "attribute due to an objectClass "
1857                                           "violation -- ignoring\n"));
1858                                 ber_bvfree(bv);
1859                                 return NT_STATUS_OK;
1860                         }
1861
1862                         ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1863                                         &ld_error);
1864                         DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1865                                 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1866                         SAFE_FREE(ld_error);
1867                         ber_bvfree(bv);
1868                         return NT_STATUS_UNSUCCESSFUL;
1869                 } else {
1870                         DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1871 #ifdef DEBUG_PASSWORD
1872                         DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1873 #endif
1874                         if (retdata)
1875                                 ber_bvfree(retdata);
1876                         if (retoid)
1877                                 ldap_memfree(retoid);
1878                 }
1879                 ber_bvfree(bv);
1880         }
1881         return NT_STATUS_OK;
1882 }
1883
1884 /**********************************************************************
1885  Delete entry from LDAP for username.
1886 *********************************************************************/
1887
1888 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1889                                            struct samu * sam_acct)
1890 {
1891         struct ldapsam_privates *priv =
1892                 (struct ldapsam_privates *)my_methods->private_data;
1893         const char *sname;
1894         int rc;
1895         LDAPMessage *msg, *entry;
1896         NTSTATUS result = NT_STATUS_NO_MEMORY;
1897         const char **attr_list;
1898         TALLOC_CTX *mem_ctx;
1899
1900         if (!sam_acct) {
1901                 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1902                 return NT_STATUS_INVALID_PARAMETER;
1903         }
1904
1905         sname = pdb_get_username(sam_acct);
1906
1907         DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1908                   "LDAP.\n", sname));
1909
1910         mem_ctx = talloc_new(NULL);
1911         if (mem_ctx == NULL) {
1912                 DEBUG(0, ("talloc_new failed\n"));
1913                 goto done;
1914         }
1915
1916         attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1917         if (attr_list == NULL) {
1918                 goto done;
1919         }
1920
1921         rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1922
1923         if ((rc != LDAP_SUCCESS) ||
1924             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1925             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1926                 DEBUG(5, ("Could not find user %s\n", sname));
1927                 result = NT_STATUS_NO_SUCH_USER;
1928                 goto done;
1929         }
1930
1931         rc = ldapsam_delete_entry(
1932                 priv, mem_ctx, entry,
1933                 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1934                 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1935                 attr_list);
1936
1937         result = (rc == LDAP_SUCCESS) ?
1938                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1939
1940  done:
1941         TALLOC_FREE(mem_ctx);
1942         return result;
1943 }
1944
1945 /**********************************************************************
1946  Helper function to determine for update_sam_account whether
1947  we need LDAP modification.
1948 *********************************************************************/
1949
1950 static bool element_is_changed(const struct samu *sampass,
1951                                enum pdb_elements element)
1952 {
1953         return IS_SAM_CHANGED(sampass, element);
1954 }
1955
1956 /**********************************************************************
1957  Update struct samu.
1958 *********************************************************************/
1959
1960 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1961 {
1962         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1963         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1964         int rc = 0;
1965         char *dn;
1966         LDAPMessage *result = NULL;
1967         LDAPMessage *entry = NULL;
1968         LDAPMod **mods = NULL;
1969         const char **attr_list;
1970
1971         result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1972         if (!result) {
1973                 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1974                 if (pdb_get_username(newpwd) == NULL) {
1975                         return NT_STATUS_INVALID_PARAMETER;
1976                 }
1977                 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1978                 TALLOC_FREE( attr_list );
1979                 if (rc != LDAP_SUCCESS) {
1980                         return NT_STATUS_UNSUCCESSFUL;
1981                 }
1982                 pdb_set_backend_private_data(newpwd, result, NULL,
1983                                              my_methods, PDB_CHANGED);
1984                 talloc_autofree_ldapmsg(newpwd, result);
1985         }
1986
1987         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1988                 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1989                 return NT_STATUS_UNSUCCESSFUL;
1990         }
1991
1992         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1993         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1994         if (!dn) {
1995                 return NT_STATUS_UNSUCCESSFUL;
1996         }
1997
1998         DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1999
2000         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2001                                 element_is_changed)) {
2002                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2003                 SAFE_FREE(dn);
2004                 if (mods != NULL)
2005                         ldap_mods_free(mods,True);
2006                 return NT_STATUS_UNSUCCESSFUL;
2007         }
2008
2009         if (mods == NULL) {
2010                 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2011                          pdb_get_username(newpwd)));
2012                 SAFE_FREE(dn);
2013                 return NT_STATUS_OK;
2014         }
2015
2016         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2017         ldap_mods_free(mods,True);
2018         SAFE_FREE(dn);
2019
2020         /*
2021          * We need to set the backend private data to NULL here. For example
2022          * setuserinfo level 25 does a pdb_update_sam_account twice on the
2023          * same one, and with the explicit delete / add logic for attribute
2024          * values the second time we would use the wrong "old" value which
2025          * does not exist in LDAP anymore. Thus the LDAP server would refuse
2026          * the update.
2027          * The existing LDAPMessage is still being auto-freed by the
2028          * destructor.
2029          */
2030         pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2031                                      PDB_CHANGED);
2032
2033         if (!NT_STATUS_IS_OK(ret)) {
2034                 return ret;
2035         }
2036
2037         DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2038                   pdb_get_username(newpwd)));
2039         return NT_STATUS_OK;
2040 }
2041
2042 /***************************************************************************
2043  Renames a struct samu
2044  - The "rename user script" has full responsibility for changing everything
2045 ***************************************************************************/
2046
2047 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2048                                            struct samu *old_acct,
2049                                            const char *newname)
2050 {
2051         const char *oldname;
2052         int rc;
2053         char *rename_script = NULL;
2054         fstring oldname_lower, newname_lower;
2055
2056         if (!old_acct) {
2057                 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2058                 return NT_STATUS_INVALID_PARAMETER;
2059         }
2060         if (!newname) {
2061                 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2062                 return NT_STATUS_INVALID_PARAMETER;
2063         }
2064
2065         oldname = pdb_get_username(old_acct);
2066
2067         /* rename the posix user */
2068         rename_script = SMB_STRDUP(lp_renameuser_script());
2069         if (rename_script) {
2070                 return NT_STATUS_NO_MEMORY;
2071         }
2072
2073         if (!(*rename_script)) {
2074                 SAFE_FREE(rename_script);
2075                 return NT_STATUS_ACCESS_DENIED;
2076         }
2077
2078         DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2079                    oldname, newname));
2080
2081         /* We have to allow the account name to end with a '$'.
2082            Also, follow the semantics in _samr_create_user() and lower case the
2083            posix name but preserve the case in passdb */
2084
2085         fstrcpy( oldname_lower, oldname );
2086         strlower_m( oldname_lower );
2087         fstrcpy( newname_lower, newname );
2088         strlower_m( newname_lower );
2089         rename_script = realloc_string_sub2(rename_script,
2090                                         "%unew",
2091                                         newname_lower,
2092                                         true,
2093                                         true);
2094         if (rename_script) {
2095                 return NT_STATUS_NO_MEMORY;
2096         }
2097         rename_script = realloc_string_sub2(rename_script,
2098                                         "%uold",
2099                                         oldname_lower,
2100                                         true,
2101                                         true);
2102         rc = smbrun(rename_script, NULL);
2103
2104         DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2105                           rename_script, rc));
2106
2107         SAFE_FREE(rename_script);
2108
2109         if (rc == 0) {
2110                 smb_nscd_flush_user_cache();
2111         }
2112
2113         if (rc)
2114                 return NT_STATUS_UNSUCCESSFUL;
2115
2116         return NT_STATUS_OK;
2117 }
2118
2119 /**********************************************************************
2120  Helper function to determine for update_sam_account whether
2121  we need LDAP modification.
2122  *********************************************************************/
2123
2124 static bool element_is_set_or_changed(const struct samu *sampass,
2125                                       enum pdb_elements element)
2126 {
2127         return (IS_SAM_SET(sampass, element) ||
2128                 IS_SAM_CHANGED(sampass, element));
2129 }
2130
2131 /**********************************************************************
2132  Add struct samu to LDAP.
2133 *********************************************************************/
2134
2135 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2136 {
2137         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2138         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2139         int rc;
2140         LDAPMessage     *result = NULL;
2141         LDAPMessage     *entry  = NULL;
2142         LDAPMod         **mods = NULL;
2143         int             ldap_op = LDAP_MOD_REPLACE;
2144         uint32          num_result;
2145         const char      **attr_list;
2146         char *escape_user = NULL;
2147         const char      *username = pdb_get_username(newpwd);
2148         const DOM_SID   *sid = pdb_get_user_sid(newpwd);
2149         char *filter = NULL;
2150         char *dn = NULL;
2151         fstring         sid_string;
2152         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2153         TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2154
2155         if (!ctx) {
2156                 return NT_STATUS_NO_MEMORY;
2157         }
2158
2159         if (!username || !*username) {
2160                 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2161                 status = NT_STATUS_INVALID_PARAMETER;
2162                 goto fn_exit;
2163         }
2164
2165         /* free this list after the second search or in case we exit on failure */
2166         attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2167
2168         rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2169
2170         if (rc != LDAP_SUCCESS) {
2171                 goto fn_exit;
2172         }
2173
2174         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2175                 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2176                          username));
2177                 goto fn_exit;
2178         }
2179         ldap_msgfree(result);
2180         result = NULL;
2181
2182         if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2183                 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2184                                                   sid, &result);
2185                 if (rc == LDAP_SUCCESS) {
2186                         if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2187                                 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
2188                                          sid_to_string(sid_string, sid)));
2189                                 goto fn_exit;
2190                         }
2191                         ldap_msgfree(result);
2192                         result = NULL;
2193                 }
2194         }
2195
2196         /* does the entry already exist but without a samba attributes?
2197            we need to return the samba attributes here */
2198
2199         escape_user = escape_ldap_string_alloc( username );
2200         filter = talloc_strdup(attr_list, "(uid=%u)");
2201         if (!filter) {
2202                 status = NT_STATUS_NO_MEMORY;
2203                 goto fn_exit;
2204         }
2205         filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2206         if (!filter) {
2207                 status = NT_STATUS_NO_MEMORY;
2208                 goto fn_exit;
2209         }
2210         SAFE_FREE(escape_user);
2211
2212         rc = smbldap_search_suffix(ldap_state->smbldap_state,
2213                                    filter, attr_list, &result);
2214         if ( rc != LDAP_SUCCESS ) {
2215                 goto fn_exit;
2216         }
2217
2218         num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2219
2220         if (num_result > 1) {
2221                 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2222                 goto fn_exit;
2223         }
2224
2225         /* Check if we need to update an existing entry */
2226         if (num_result == 1) {
2227                 char *tmp;
2228
2229                 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2230                 ldap_op = LDAP_MOD_REPLACE;
2231                 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2232                 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2233                 if (!tmp) {
2234                         goto fn_exit;
2235                 }
2236                 dn = talloc_asprintf(ctx, "%s", tmp);
2237                 SAFE_FREE(tmp);
2238                 if (!dn) {
2239                         status = NT_STATUS_NO_MEMORY;
2240                         goto fn_exit;
2241                 }
2242
2243         } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2244
2245                 /* There might be a SID for this account already - say an idmap entry */
2246
2247                 filter = talloc_asprintf(ctx,
2248                                 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2249                                  get_userattr_key2string(ldap_state->schema_ver,
2250                                          LDAP_ATTR_USER_SID),
2251                                  sid_to_string(sid_string, sid),
2252                                  LDAP_OBJ_IDMAP_ENTRY,
2253                                  LDAP_OBJ_SID_ENTRY);
2254                 if (!filter) {
2255                         status = NT_STATUS_NO_MEMORY;
2256                         goto fn_exit;
2257                 }
2258
2259                 /* free old result before doing a new search */
2260                 if (result != NULL) {
2261                         ldap_msgfree(result);
2262                         result = NULL;
2263                 }
2264                 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2265                                            filter, attr_list, &result);
2266
2267                 if ( rc != LDAP_SUCCESS ) {
2268                         goto fn_exit;
2269                 }
2270
2271                 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2272
2273                 if (num_result > 1) {
2274                         DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2275                         goto fn_exit;
2276                 }
2277
2278                 /* Check if we need to update an existing entry */
2279                 if (num_result == 1) {
2280                         char *tmp;
2281
2282                         DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2283                         ldap_op = LDAP_MOD_REPLACE;
2284                         entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2285                         tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2286                         if (!tmp) {
2287                                 goto fn_exit;
2288                         }
2289                         dn = talloc_asprintf(ctx, "%s", tmp);
2290                         SAFE_FREE(tmp);
2291                         if (!dn) {
2292                                 status = NT_STATUS_NO_MEMORY;
2293                                 goto fn_exit;
2294                         }
2295                 }
2296         }
2297
2298         if (num_result == 0) {
2299                 char *escape_username;
2300                 /* Check if we need to add an entry */
2301                 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2302                 ldap_op = LDAP_MOD_ADD;
2303
2304                 escape_username = escape_rdn_val_string_alloc(username);
2305                 if (!escape_username) {
2306                         status = NT_STATUS_NO_MEMORY;
2307                         goto fn_exit;
2308                 }
2309
2310                 if (username[strlen(username)-1] == '$') {
2311                         dn = talloc_asprintf(ctx,
2312                                         "uid=%s,%s",
2313                                         escape_username,
2314                                         lp_ldap_machine_suffix());
2315                 } else {
2316                         dn = talloc_asprintf(ctx,
2317                                         "uid=%s,%s",
2318                                         escape_username,
2319                                         lp_ldap_user_suffix());
2320                 }
2321
2322                 SAFE_FREE(escape_username);
2323                 if (!dn) {
2324                         status = NT_STATUS_NO_MEMORY;
2325                         goto fn_exit;
2326                 }
2327         }
2328
2329         if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2330                                 element_is_set_or_changed)) {
2331                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2332                 if (mods != NULL) {
2333                         ldap_mods_free(mods, true);
2334                 }
2335                 goto fn_exit;
2336         }
2337
2338         if (mods == NULL) {
2339                 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2340                 goto fn_exit;
2341         }
2342         switch ( ldap_state->schema_ver ) {
2343                 case SCHEMAVER_SAMBAACCOUNT:
2344                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2345                         break;
2346                 case SCHEMAVER_SAMBASAMACCOUNT:
2347                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2348                         break;
2349                 default:
2350                         DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2351                         break;
2352         }
2353
2354         ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2355         if (!NT_STATUS_IS_OK(ret)) {
2356                 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2357                          pdb_get_username(newpwd),dn));
2358                 ldap_mods_free(mods, true);
2359                 goto fn_exit;
2360         }
2361
2362         DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2363         ldap_mods_free(mods, true);
2364
2365         status = NT_STATUS_OK;
2366
2367   fn_exit:
2368
2369         TALLOC_FREE(ctx);
2370         SAFE_FREE(escape_user);
2371         if (result) {
2372                 ldap_msgfree(result);
2373         }
2374         return status;
2375 }
2376
2377 /**********************************************************************
2378  *********************************************************************/
2379
2380 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2381                                      const char *filter,
2382                                      LDAPMessage ** result)
2383 {
2384         int scope = LDAP_SCOPE_SUBTREE;
2385         int rc;
2386         const char **attr_list;
2387
2388         attr_list = get_attr_list(NULL, groupmap_attr_list);
2389         rc = smbldap_search(ldap_state->smbldap_state,
2390                             lp_ldap_group_suffix (), scope,
2391                             filter, attr_list, 0, result);
2392         TALLOC_FREE(attr_list);
2393
2394         return rc;
2395 }
2396
2397 /**********************************************************************
2398  *********************************************************************/
2399
2400 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2401                                  GROUP_MAP *map, LDAPMessage *entry)
2402 {
2403         char *temp = NULL;
2404         TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2405
2406         if (ldap_state == NULL || map == NULL || entry == NULL ||
2407                         ldap_state->smbldap_state->ldap_struct == NULL) {
2408                 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2409                 TALLOC_FREE(ctx);
2410                 return false;
2411         }
2412
2413         temp = smbldap_talloc_single_attribute(
2414                         ldap_state->smbldap_state->ldap_struct,
2415                         entry,
2416                         get_attr_key2string(groupmap_attr_list,
2417                                 LDAP_ATTR_GIDNUMBER),
2418                         ctx);
2419         if (!temp) {
2420                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2421                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2422                 TALLOC_FREE(ctx);
2423                 return false;
2424         }
2425         DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2426
2427         map->gid = (gid_t)atol(temp);
2428
2429         TALLOC_FREE(temp);
2430         temp = smbldap_talloc_single_attribute(
2431                         ldap_state->smbldap_state->ldap_struct,
2432                         entry,
2433                         get_attr_key2string(groupmap_attr_list,
2434                                 LDAP_ATTR_GROUP_SID),
2435                         ctx);
2436         if (!temp) {
2437                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2438                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2439                 TALLOC_FREE(ctx);
2440                 return false;
2441         }
2442
2443         if (!string_to_sid(&map->sid, temp)) {
2444                 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2445                 TALLOC_FREE(ctx);
2446                 return false;
2447         }
2448
2449         TALLOC_FREE(temp);
2450         temp = smbldap_talloc_single_attribute(
2451                         ldap_state->smbldap_state->ldap_struct,
2452                         entry,
2453                         get_attr_key2string(groupmap_attr_list,
2454                                 LDAP_ATTR_GROUP_TYPE),
2455                         ctx);
2456         if (!temp) {
2457                 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2458                         get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2459                 TALLOC_FREE(ctx);
2460                 return false;
2461         }
2462         map->sid_name_use = (enum lsa_SidType)atol(temp);
2463
2464         if ((map->sid_name_use < SID_NAME_USER) ||
2465                         (map->sid_name_use > SID_NAME_UNKNOWN)) {
2466                 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2467                 TALLOC_FREE(ctx);
2468                 return false;
2469         }
2470
2471         TALLOC_FREE(temp);
2472         temp = smbldap_talloc_single_attribute(
2473                         ldap_state->smbldap_state->ldap_struct,
2474                         entry,
2475                         get_attr_key2string(groupmap_attr_list,
2476                                 LDAP_ATTR_DISPLAY_NAME),
2477                         ctx);
2478         if (!temp) {
2479                 temp = smbldap_talloc_single_attribute(
2480                                 ldap_state->smbldap_state->ldap_struct,
2481                                 entry,
2482                                 get_attr_key2string(groupmap_attr_list,
2483                                         LDAP_ATTR_CN),
2484                                 ctx);
2485                 if (!temp) {
2486                         DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2487 for gidNumber(%lu)\n",(unsigned long)map->gid));
2488                         TALLOC_FREE(ctx);
2489                         return false;
2490                 }
2491         }
2492         fstrcpy(map->nt_name, temp);
2493
2494         TALLOC_FREE(temp);
2495         temp = smbldap_talloc_single_attribute(
2496                         ldap_state->smbldap_state->ldap_struct,
2497                         entry,
2498                         get_attr_key2string(groupmap_attr_list,
2499                                 LDAP_ATTR_DESC),
2500                         ctx);
2501         if (!temp) {
2502                 temp = talloc_strdup(ctx, "");
2503                 if (!temp) {
2504                         TALLOC_FREE(ctx);
2505                         return false;
2506                 }
2507         }
2508         fstrcpy(map->comment, temp);
2509
2510         if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2511                 store_gid_sid_cache(&map->sid, map->gid);
2512         }
2513
2514         TALLOC_FREE(ctx);
2515         return true;
2516 }
2517
2518 /**********************************************************************
2519  *********************************************************************/
2520
2521 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2522                                  const char *filter,
2523                                  GROUP_MAP *map)
2524 {
2525         struct ldapsam_privates *ldap_state =
2526                 (struct ldapsam_privates *)methods->private_data;
2527         LDAPMessage *result = NULL;
2528         LDAPMessage *entry = NULL;
2529         int count;
2530
2531         if (ldapsam_search_one_group(ldap_state, filter, &result)
2532             != LDAP_SUCCESS) {
2533                 return NT_STATUS_NO_SUCH_GROUP;
2534         }
2535
2536         count = ldap_count_entries(priv2ld(ldap_state), result);
2537
2538         if (count < 1) {
2539                 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2540                           "%s\n", filter));
2541                 ldap_msgfree(result);
2542                 return NT_STATUS_NO_SUCH_GROUP;
2543         }
2544
2545         if (count > 1) {
2546                 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2547                           "count=%d\n", filter, count));
2548                 ldap_msgfree(result);
2549                 return NT_STATUS_NO_SUCH_GROUP;
2550         }
2551
2552         entry = ldap_first_entry(priv2ld(ldap_state), result);
2553
2554         if (!entry) {
2555                 ldap_msgfree(result);
2556                 return NT_STATUS_UNSUCCESSFUL;
2557         }
2558
2559         if (!init_group_from_ldap(ldap_state, map, entry)) {
2560                 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2561                           "group filter %s\n", filter));
2562                 ldap_msgfree(result);
2563                 return NT_STATUS_NO_SUCH_GROUP;
2564         }
2565
2566         ldap_msgfree(result);
2567         return NT_STATUS_OK;
2568 }
2569
2570 /**********************************************************************
2571  *********************************************************************/
2572
2573 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2574                                  DOM_SID sid)
2575 {
2576         char *filter = NULL;
2577         NTSTATUS status;
2578
2579         if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2580                 LDAP_OBJ_GROUPMAP,
2581                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2582                 sid_string_static(&sid)) < 0) {
2583                 return NT_STATUS_NO_MEMORY;
2584         }
2585
2586         status = ldapsam_getgroup(methods, filter, map);
2587         SAFE_FREE(filter);
2588         return status;
2589 }
2590
2591 /**********************************************************************
2592  *********************************************************************/
2593
2594 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2595                                  gid_t gid)
2596 {
2597         char *filter = NULL;
2598         NTSTATUS status;
2599
2600         if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2601                 LDAP_OBJ_GROUPMAP,
2602                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2603                 (unsigned long)gid) < 0) {
2604                 return NT_STATUS_NO_MEMORY;
2605         }
2606
2607         status = ldapsam_getgroup(methods, filter, map);
2608         SAFE_FREE(filter);
2609         return status;
2610 }
2611
2612 /**********************************************************************
2613  *********************************************************************/
2614
2615 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2616                                  const char *name)
2617 {
2618         char *filter = NULL;
2619         char *escape_name = escape_ldap_string_alloc(name);
2620         NTSTATUS status;
2621
2622         if (!escape_name) {
2623                 return NT_STATUS_NO_MEMORY;
2624         }
2625
2626         if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2627                 LDAP_OBJ_GROUPMAP,
2628                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2629                 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2630                 escape_name) < 0) {
2631                 SAFE_FREE(escape_name);
2632                 return NT_STATUS_NO_MEMORY;
2633         }
2634
2635         SAFE_FREE(escape_name);
2636         status = ldapsam_getgroup(methods, filter, map);
2637         SAFE_FREE(filter);
2638         return status;
2639 }
2640
2641 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2642                                            LDAPMessage *entry,
2643                                            const DOM_SID *domain_sid,
2644                                            uint32 *rid)
2645 {
2646         fstring str;
2647         DOM_SID sid;
2648
2649         if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2650                                           str, sizeof(str)-1)) {
2651                 DEBUG(10, ("Could not find sambaSID attribute\n"));
2652                 return False;
2653         }
2654
2655         if (!string_to_sid(&sid, str)) {
2656                 DEBUG(10, ("Could not convert string %s to sid\n", str));
2657                 return False;
2658         }
2659
2660         if (sid_compare_domain(&sid, domain_sid) != 0) {
2661                 DEBUG(10, ("SID %s is not in expected domain %s\n",
2662                            str, sid_string_static(domain_sid)));
2663                 return False;
2664         }
2665
2666         if (!sid_peek_rid(&sid, rid)) {
2667                 DEBUG(10, ("Could not peek into RID\n"));
2668                 return False;
2669         }
2670
2671         return True;
2672 }
2673
2674 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2675                                            TALLOC_CTX *mem_ctx,
2676                                            const DOM_SID *group,
2677                                            uint32 **pp_member_rids,
2678                                            size_t *p_num_members)
2679 {
2680         struct ldapsam_privates *ldap_state =
2681                 (struct ldapsam_privates *)methods->private_data;
2682         struct smbldap_state *conn = ldap_state->smbldap_state;
2683         const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2684         const char *sid_attrs[] = { "sambaSID", NULL };
2685         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2686         LDAPMessage *result = NULL;
2687         LDAPMessage *entry;
2688         char *filter;
2689         char **values = NULL;
2690         char **memberuid;
2691         char *gidstr;
2692         int rc, count;
2693
2694         *pp_member_rids = NULL;
2695         *p_num_members = 0;
2696
2697         filter = talloc_asprintf(mem_ctx,
2698                                  "(&(objectClass=%s)"
2699                                  "(objectClass=%s)"
2700                                  "(sambaSID=%s))",
2701                                  LDAP_OBJ_POSIXGROUP,
2702                                  LDAP_OBJ_GROUPMAP,
2703                                  sid_string_static(group));
2704         if (filter == NULL) {
2705                 ret = NT_STATUS_NO_MEMORY;
2706                 goto done;
2707         }
2708
2709         rc = smbldap_search(conn, lp_ldap_group_suffix(),
2710                             LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2711                             &result);
2712
2713         if (rc != LDAP_SUCCESS)
2714                 goto done;
2715
2716         talloc_autofree_ldapmsg(mem_ctx, result);
2717
2718         count = ldap_count_entries(conn->ldap_struct, result);
2719
2720         if (count > 1) {
2721                 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2722                           sid_string_static(group)));
2723                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2724                 goto done;
2725         }
2726
2727         if (count == 0) {
2728                 ret = NT_STATUS_NO_SUCH_GROUP;
2729                 goto done;
2730         }
2731
2732         entry = ldap_first_entry(conn->ldap_struct, result);
2733         if (entry == NULL)
2734                 goto done;
2735
2736         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2737         if (!gidstr) {
2738                 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2739                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2740                 goto done;
2741         }
2742
2743         values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2744
2745         if (values) {
2746
2747                 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2748                 if (filter == NULL) {
2749                         ret = NT_STATUS_NO_MEMORY;
2750                         goto done;
2751                 }
2752
2753                 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2754                         char *escape_memberuid;
2755
2756                         escape_memberuid = escape_ldap_string_alloc(*memberuid);
2757                         if (escape_memberuid == NULL) {
2758                                 ret = NT_STATUS_NO_MEMORY;
2759                                 goto done;
2760                         }
2761
2762                         filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2763                         if (filter == NULL) {
2764                                 SAFE_FREE(escape_memberuid);
2765                                 ret = NT_STATUS_NO_MEMORY;
2766                                 goto done;
2767                         }
2768
2769                         SAFE_FREE(escape_memberuid);
2770                 }
2771
2772                 filter = talloc_asprintf_append_buffer(filter, "))");
2773                 if (filter == NULL) {
2774                         ret = NT_STATUS_NO_MEMORY;
2775                         goto done;
2776                 }
2777
2778                 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2779                                     LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2780                                     &result);
2781
2782                 if (rc != LDAP_SUCCESS)
2783                         goto done;
2784
2785                 count = ldap_count_entries(conn->ldap_struct, result);
2786                 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2787
2788                 talloc_autofree_ldapmsg(mem_ctx, result);
2789
2790                 for (entry = ldap_first_entry(conn->ldap_struct, result);
2791                      entry != NULL;
2792                      entry = ldap_next_entry(conn->ldap_struct, entry))
2793                 {
2794                         char *sidstr;
2795                         DOM_SID sid;
2796                         uint32 rid;
2797
2798                         sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2799                                                                  entry, "sambaSID",
2800                                                                  mem_ctx);
2801                         if (!sidstr) {
2802                                 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2803                                           "the sambaSID attribute\n"));
2804                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2805                                 goto done;
2806                         }
2807
2808                         if (!string_to_sid(&sid, sidstr))
2809                                 goto done;
2810
2811                         if (!sid_check_is_in_our_domain(&sid)) {
2812                                 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2813                                           "in our domain\n"));
2814                                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2815                                 goto done;
2816                         }
2817
2818                         sid_peek_rid(&sid, &rid);
2819
2820                         if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2821                                                 p_num_members)) {
2822                                 ret = NT_STATUS_NO_MEMORY;
2823                                 goto done;
2824                         }
2825                 }
2826         }
2827
2828         filter = talloc_asprintf(mem_ctx,
2829                                  "(&(objectClass=%s)"
2830                                  "(gidNumber=%s))",
2831                                  LDAP_OBJ_SAMBASAMACCOUNT,
2832                                  gidstr);
2833
2834         rc = smbldap_search(conn, lp_ldap_user_suffix(),
2835                             LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2836                             &result);
2837
2838         if (rc != LDAP_SUCCESS)
2839                 goto done;
2840
2841         talloc_autofree_ldapmsg(mem_ctx, result);
2842
2843         for (entry = ldap_first_entry(conn->ldap_struct, result);
2844              entry != NULL;
2845              entry = ldap_next_entry(conn->ldap_struct, entry))
2846         {
2847                 uint32 rid;
2848
2849                 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2850                                                     entry,
2851                                                     get_global_sam_sid(),
2852                                                     &rid)) {
2853                         DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2854                                   "the sambaSID attribute\n"));
2855                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2856                         goto done;
2857                 }
2858
2859                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2860                                         p_num_members)) {
2861                         ret = NT_STATUS_NO_MEMORY;
2862                         goto done;
2863                 }
2864         }
2865
2866         ret = NT_STATUS_OK;
2867
2868  done:
2869
2870         if (values)
2871                 ldap_value_free(values);
2872
2873         return ret;
2874 }
2875
2876 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2877                                                TALLOC_CTX *mem_ctx,
2878                                                struct samu *user,
2879                                                DOM_SID **pp_sids,
2880                                                gid_t **pp_gids,
2881                                                size_t *p_num_groups)
2882 {
2883         struct ldapsam_privates *ldap_state =
2884                 (struct ldapsam_privates *)methods->private_data;
2885         struct smbldap_state *conn = ldap_state->smbldap_state;
2886         char *filter;
2887         const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2888         char *escape_name;
2889         int rc, count;
2890         LDAPMessage *result = NULL;
2891         LDAPMessage *entry;
2892         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2893         size_t num_sids, num_gids;
2894         char *gidstr;
2895         gid_t primary_gid = -1;
2896
2897         *pp_sids = NULL;
2898         num_sids = 0;
2899
2900         if (pdb_get_username(user) == NULL) {
2901                 return NT_STATUS_INVALID_PARAMETER;
2902         }
2903
2904         escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2905         if (escape_name == NULL)
2906                 return NT_STATUS_NO_MEMORY;
2907
2908         /* retrieve the users primary gid */
2909         filter = talloc_asprintf(mem_ctx,
2910                                  "(&(objectClass=%s)(uid=%s))",
2911                                  LDAP_OBJ_SAMBASAMACCOUNT,
2912                                  escape_name);
2913         if (filter == NULL) {
2914                 ret = NT_STATUS_NO_MEMORY;
2915                 goto done;
2916         }
2917
2918         rc = smbldap_search(conn, lp_ldap_user_suffix(),
2919                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2920
2921         if (rc != LDAP_SUCCESS)
2922                 goto done;
2923
2924         talloc_autofree_ldapmsg(mem_ctx, result);
2925
2926         count = ldap_count_entries(priv2ld(ldap_state), result);
2927
2928         switch (count) {
2929         case 0:
2930                 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2931                 ret = NT_STATUS_NO_SUCH_USER;
2932                 goto done;
2933         case 1:
2934                 entry = ldap_first_entry(priv2ld(ldap_state), result);
2935
2936                 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2937                 if (!gidstr) {
2938                         DEBUG (1, ("Unable to find the member's gid!\n"));
2939                         ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2940                         goto done;
2941                 }
2942                 primary_gid = strtoul(gidstr, NULL, 10);
2943                 break;
2944         default:
2945                 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2946                 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2947                 goto done;
2948         }
2949
2950         filter = talloc_asprintf(mem_ctx,
2951                                  "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2952                                  LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2953         if (filter == NULL) {
2954                 ret = NT_STATUS_NO_MEMORY;
2955                 goto done;
2956         }
2957
2958         rc = smbldap_search(conn, lp_ldap_group_suffix(),
2959                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2960
2961         if (rc != LDAP_SUCCESS)
2962                 goto done;
2963
2964         talloc_autofree_ldapmsg(mem_ctx, result);
2965
2966         num_gids = 0;
2967         *pp_gids = NULL;
2968
2969         num_sids = 0;
2970         *pp_sids = NULL;
2971
2972         /* We need to add the primary group as the first gid/sid */
2973
2974         if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2975                 ret = NT_STATUS_NO_MEMORY;
2976                 goto done;
2977         }
2978
2979         /* This sid will be replaced later */
2980
2981         if (!add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids)) {
2982                 ret = NT_STATUS_NO_MEMORY;
2983                 goto done;
2984         }
2985
2986         for (entry = ldap_first_entry(conn->ldap_struct, result);
2987              entry != NULL;
2988              entry = ldap_next_entry(conn->ldap_struct, entry))
2989         {
2990                 fstring str;
2991                 DOM_SID sid;
2992                 gid_t gid;
2993                 char *end;
2994
2995                 if (!smbldap_get_single_attribute(conn->ldap_struct,
2996                                                   entry, "sambaSID",
2997                                                   str, sizeof(str)-1))
2998                         continue;
2999
3000                 if (!string_to_sid(&sid, str))
3001                         goto done;
3002
3003                 if (!smbldap_get_single_attribute(conn->ldap_struct,
3004                                                   entry, "gidNumber",
3005                                                   str, sizeof(str)-1))
3006                         continue;
3007
3008                 gid = strtoul(str, &end, 10);
3009
3010                 if (PTR_DIFF(end, str) != strlen(str))
3011                         goto done;
3012
3013                 if (gid == primary_gid) {
3014                         sid_copy(&(*pp_sids)[0], &sid);
3015                 } else {
3016                         if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3017                                                 &num_gids)) {
3018                                 ret = NT_STATUS_NO_MEMORY;
3019                                 goto done;
3020                         }
3021                         if (!add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3022                                                 &num_sids)) {
3023                                 ret = NT_STATUS_NO_MEMORY;
3024                                 goto done;
3025                         }
3026                 }
3027         }
3028
3029         if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3030                 DEBUG(3, ("primary group of [%s] not found\n",
3031                           pdb_get_username(user)));
3032                 goto done;
3033         }
3034
3035         *p_num_groups = num_sids;
3036
3037         ret = NT_STATUS_OK;
3038
3039  done:
3040
3041         SAFE_FREE(escape_name);
3042         return ret;
3043 }
3044
3045 /**********************************************************************
3046  * Augment a posixGroup object with a sambaGroupMapping domgroup
3047  *********************************************************************/
3048
3049 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3050                                        struct ldapsam_privates *ldap_state,
3051                                        GROUP_MAP *map)
3052 {
3053         const char *filter, *dn;
3054         LDAPMessage *msg, *entry;
3055         LDAPMod **mods;
3056         int rc;
3057
3058         filter = talloc_asprintf(mem_ctx,
3059                                  "(&(objectClass=posixGroup)(gidNumber=%u))",
3060                                  map->gid);
3061         if (filter == NULL) {
3062                 return NT_STATUS_NO_MEMORY;
3063         }
3064
3065         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3066                                    get_attr_list(mem_ctx, groupmap_attr_list),
3067                                    &msg);
3068         talloc_autofree_ldapmsg(mem_ctx, msg);
3069
3070         if ((rc != LDAP_SUCCESS) ||
3071             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3072             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3073                 return NT_STATUS_NO_SUCH_GROUP;
3074         }
3075
3076         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3077         if (dn == NULL) {
3078                 return NT_STATUS_NO_MEMORY;
3079         }
3080
3081         mods = NULL;
3082         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3083                         "sambaGroupMapping");
3084         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3085                          sid_string_static(&map->sid));
3086         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3087                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3088         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3089                          map->nt_name);
3090         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3091                          map->comment);
3092         talloc_autofree_ldapmod(mem_ctx, mods);
3093
3094         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3095         if (rc != LDAP_SUCCESS) {
3096                 return NT_STATUS_ACCESS_DENIED;
3097         }
3098
3099         return NT_STATUS_OK;
3100 }
3101
3102 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3103                                                 GROUP_MAP *map)
3104 {
3105         struct ldapsam_privates *ldap_state =
3106                 (struct ldapsam_privates *)methods->private_data;
3107         LDAPMessage *msg = NULL;
3108         LDAPMod **mods = NULL;
3109         const char *attrs[] = { NULL };
3110         char *filter;
3111
3112         char *dn;
3113         TALLOC_CTX *mem_ctx;
3114         NTSTATUS result;
3115
3116         DOM_SID sid;
3117
3118         int rc;
3119
3120         mem_ctx = talloc_new(NULL);
3121         if (mem_ctx == NULL) {
3122                 DEBUG(0, ("talloc_new failed\n"));
3123                 return NT_STATUS_NO_MEMORY;
3124         }
3125
3126         filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3127                                  sid_string_static(&map->sid));
3128         if (filter == NULL) {
3129                 result = NT_STATUS_NO_MEMORY;
3130                 goto done;
3131         }
3132
3133         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3134                             LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3135         talloc_autofree_ldapmsg(mem_ctx, msg);
3136
3137         if ((rc == LDAP_SUCCESS) &&
3138             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3139
3140                 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3141                           "group mapping entry\n",
3142                           sid_string_static(&map->sid)));
3143                 result = NT_STATUS_GROUP_EXISTS;
3144                 goto done;
3145         }
3146
3147         switch (map->sid_name_use) {
3148
3149         case SID_NAME_DOM_GRP:
3150                 /* To map a domain group we need to have a posix group
3151                    to attach to. */
3152                 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3153                 goto done;
3154                 break;
3155
3156         case SID_NAME_ALIAS:
3157                 if (!sid_check_is_in_our_domain(&map->sid)
3158                         && !sid_check_is_in_builtin(&map->sid) )
3159                 {
3160                         DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3161                                   sid_string_static(&map->sid)));
3162                         result = NT_STATUS_INVALID_PARAMETER;
3163                         goto done;
3164                 }
3165                 break;
3166
3167         default:
3168                 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3169                           sid_type_lookup(map->sid_name_use)));
3170                 result = NT_STATUS_INVALID_PARAMETER;
3171                 goto done;
3172         }
3173
3174         /* Domain groups have been mapped in a separate routine, we have to
3175          * create an alias now */
3176
3177         if (map->gid == -1) {
3178                 DEBUG(10, ("Refusing to map gid==-1\n"));
3179                 result = NT_STATUS_INVALID_PARAMETER;
3180                 goto done;
3181         }
3182
3183         if (pdb_gid_to_sid(map->gid, &sid)) {
3184                 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
3185                           "add\n", map->gid, sid_string_static(&sid)));
3186                 result = NT_STATUS_GROUP_EXISTS;
3187                 goto done;
3188         }
3189
3190         /* Ok, enough checks done. It's still racy to go ahead now, but that's
3191          * the best we can get out of LDAP. */
3192
3193         dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3194                              sid_string_static(&map->sid),
3195                              lp_ldap_group_suffix());
3196         if (dn == NULL) {
3197                 result = NT_STATUS_NO_MEMORY;
3198                 goto done;
3199         }
3200
3201         mods = NULL;
3202
3203         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3204                          "sambaSidEntry");
3205         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3206                          "sambaGroupMapping");
3207
3208         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3209                          sid_string_static(&map->sid));
3210         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3211                          talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3212         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3213                          map->nt_name);
3214         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3215                          map->comment);
3216         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3217                          talloc_asprintf(mem_ctx, "%u", map->gid));
3218         talloc_autofree_ldapmod(mem_ctx, mods);
3219
3220         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3221
3222         result = (rc == LDAP_SUCCESS) ?
3223                 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3224
3225  done:
3226         TALLOC_FREE(mem_ctx);
3227         return result;
3228 }
3229
3230 /**********************************************************************
3231  * Update a group mapping entry. We're quite strict about what can be changed:
3232  * Only the description and displayname may be changed. It simply does not
3233  * make any sense to change the SID, gid or the type in a mapping.
3234  *********************************************************************/
3235
3236 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3237                                                    GROUP_MAP *map)
3238 {
3239         struct ldapsam_privates *ldap_state =
3240                 (struct ldapsam_privates *)methods->private_data;
3241         int rc;
3242         const char *filter, *dn;
3243         LDAPMessage *msg = NULL;
3244         LDAPMessage *entry = NULL;
3245         LDAPMod **mods = NULL;
3246         TALLOC_CTX *mem_ctx;
3247         NTSTATUS result;
3248
3249         mem_ctx = talloc_new(NULL);
3250         if (mem_ctx == NULL) {
3251                 DEBUG(0, ("talloc_new failed\n"));
3252                 return NT_STATUS_NO_MEMORY;
3253         }
3254
3255         /* Make 100% sure that sid, gid and type are not changed by looking up
3256          * exactly the values we're given in LDAP. */
3257
3258         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3259                                  "(sambaSid=%s)(gidNumber=%u)"
3260                                  "(sambaGroupType=%d))",
3261                                  LDAP_OBJ_GROUPMAP,
3262                                  sid_string_static(&map->sid), map->gid,
3263                                  map->sid_name_use);
3264         if (filter == NULL) {
3265                 result = NT_STATUS_NO_MEMORY;
3266                 goto done;
3267         }
3268
3269         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3270                                    get_attr_list(mem_ctx, groupmap_attr_list),
3271                                    &msg);
3272         talloc_autofree_ldapmsg(mem_ctx, msg);
3273
3274         if ((rc != LDAP_SUCCESS) ||
3275             (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3276             ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3277                 result = NT_STATUS_NO_SUCH_GROUP;
3278                 goto done;
3279         }
3280
3281         dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3282
3283         if (dn == NULL) {
3284                 result = NT_STATUS_NO_MEMORY;
3285                 goto done;
3286         }
3287
3288         mods = NULL;
3289         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3290                          map->nt_name);
3291         smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3292                          map->comment);
3293         talloc_autofree_ldapmod(mem_ctx, mods);
3294
3295         if (mods == NULL) {
3296                 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3297                           "nothing to do\n"));
3298                 result = NT_STATUS_OK;
3299                 goto done;
3300         }
3301
3302         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3303
3304         if (rc != LDAP_SUCCESS) {
3305                 result = NT_STATUS_ACCESS_DENIED;
3306                 goto done;
3307         }
3308
3309         DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3310                   "group %lu in LDAP\n", (unsigned long)map->gid));
3311
3312         result = NT_STATUS_OK;
3313
3314  done:
3315         TALLOC_FREE(mem_ctx);
3316         return result;
3317 }
3318
3319 /**********************************************************************
3320  *********************************************************************/
3321
3322 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3323                                                    DOM_SID sid)
3324 {
3325         struct ldapsam_privates *priv =
3326                 (struct ldapsam_privates *)methods->private_data;
3327         LDAPMessage *msg, *entry;
3328         int rc;
3329         NTSTATUS result;
3330         TALLOC_CTX *mem_ctx;
3331         char *filter;
3332
3333         mem_ctx = talloc_new(NULL);
3334         if (mem_ctx == NULL) {
3335                 DEBUG(0, ("talloc_new failed\n"));
3336                 return NT_STATUS_NO_MEMORY;
3337         }
3338
3339         filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3340                                  LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3341                                  sid_string_static(&sid));
3342         if (filter == NULL) {
3343                 result = NT_STATUS_NO_MEMORY;
3344                 goto done;
3345         }
3346         rc = smbldap_search_suffix(priv->smbldap_state, filter,
3347                                    get_attr_list(mem_ctx, groupmap_attr_list),
3348                                    &msg);
3349         talloc_autofree_ldapmsg(mem_ctx, msg);
3350
3351         if ((rc != LDAP_SUCCESS) ||
3352             (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3353             ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3354                 result = NT_STATUS_NO_SUCH_GROUP;
3355                 goto done;
3356         }
3357
3358         rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3359                                   get_attr_list(mem_ctx,
3360                                                 groupmap_attr_list_to_delete));
3361
3362         if ((rc == LDAP_NAMING_VIOLATION) ||
3363             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3364                 const char *attrs[] = { "sambaGroupType", "description",
3365                                         "displayName", "sambaSIDList",
3366                                         NULL };
3367
3368                 /* Second try. Don't delete the sambaSID attribute, this is
3369                    for "old" entries that are tacked on a winbind
3370                    sambaIdmapEntry. */
3371
3372                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3373                                           LDAP_OBJ_GROUPMAP, attrs);
3374         }
3375
3376         if ((rc == LDAP_NAMING_VIOLATION) ||
3377             (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3378                 const char *attrs[] = { "sambaGroupType", "description",
3379                                         "displayName", "sambaSIDList",
3380                                         "gidNumber", NULL };
3381
3382                 /* Third try. This is a post-3.0.21 alias (containing only
3383                  * sambaSidEntry and sambaGroupMapping classes), we also have
3384                  * to delete the gidNumber attribute, only the sambaSidEntry
3385                  * remains */
3386
3387                 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3388                                           LDAP_OBJ_GROUPMAP, attrs);
3389         }
3390
3391         result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3392
3393  done:
3394         TALLOC_FREE(mem_ctx);
3395         return result;
3396  }
3397
3398 /**********************************************************************
3399  *********************************************************************/
3400
3401 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3402                                     bool update)
3403 {
3404         struct ldapsam_privates *ldap_state =
3405                 (struct ldapsam_privates *)my_methods->private_data;
3406         fstring filter;
3407         int rc;
3408         const char **attr_list;
3409
3410         pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3411         attr_list = get_attr_list( NULL, groupmap_attr_list );
3412         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3413                             LDAP_SCOPE_SUBTREE, filter,
3414                             attr_list, 0, &ldap_state->result);
3415         TALLOC_FREE(attr_list);
3416
3417         if (rc != LDAP_SUCCESS) {
3418                 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3419                           ldap_err2string(rc)));
3420                 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3421                           lp_ldap_group_suffix(), filter));
3422                 ldap_msgfree(ldap_state->result);
3423                 ldap_state->result = NULL;
3424                 return NT_STATUS_UNSUCCESSFUL;
3425         }
3426
3427         DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3428                   ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3429                                      ldap_state->result)));
3430
3431         ldap_state->entry =
3432                 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3433                                  ldap_state->result);
3434         ldap_state->index = 0;
3435
3436         return NT_STATUS_OK;
3437 }
3438
3439 /**********************************************************************
3440  *********************************************************************/
3441
3442 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3443 {
3444         ldapsam_endsampwent(my_methods);
3445 }
3446
3447 /**********************************************************************
3448  *********************************************************************/
3449
3450 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3451                                     GROUP_MAP *map)
3452 {
3453         NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3454         struct ldapsam_privates *ldap_state =
3455                 (struct ldapsam_privates *)my_methods->private_data;
3456         bool bret = False;
3457
3458         while (!bret) {
3459                 if (!ldap_state->entry)
3460                         return ret;
3461
3462                 ldap_state->index++;
3463                 bret = init_group_from_ldap(ldap_state, map,
3464                                             ldap_state->entry);
3465
3466                 ldap_state->entry =
3467                         ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3468                                         ldap_state->entry);
3469         }
3470
3471         return NT_STATUS_OK;
3472 }
3473
3474 /**********************************************************************
3475  *********************************************************************/
3476
3477 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3478                                            const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3479                                            GROUP_MAP **pp_rmap,
3480                                            size_t *p_num_entries,
3481                                            bool unix_only)
3482 {
3483         GROUP_MAP map;
3484         size_t entries = 0;
3485
3486         *p_num_entries = 0;
3487         *pp_rmap = NULL;
3488
3489         if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3490                 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3491                           "passdb\n"));
3492                 return NT_STATUS_ACCESS_DENIED;
3493         }
3494
3495         while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3496                 if (sid_name_use != SID_NAME_UNKNOWN &&
3497                     sid_name_use != map.sid_name_use) {
3498                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3499                                   "not of the requested type\n", map.nt_name));
3500                         continue;
3501                 }
3502                 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3503                         DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3504                                   "non mapped\n", map.nt_name));
3505                         continue;
3506                 }
3507
3508                 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3509                 if (!(*pp_rmap)) {
3510                         DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3511                                  "enlarge group map!\n"));
3512                         return NT_STATUS_UNSUCCESSFUL;
3513                 }
3514
3515                 (*pp_rmap)[entries] = map;
3516
3517                 entries += 1;
3518
3519         }
3520         ldapsam_endsamgrent(methods);
3521
3522         *p_num_entries = entries;
3523
3524         return NT_STATUS_OK;
3525 }
3526
3527 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3528                                         const DOM_SID *alias,
3529                                         const DOM_SID *member,
3530                                         int modop)
3531 {
3532         struct ldapsam_privates *ldap_state =
3533                 (struct ldapsam_privates *)methods->private_data;
3534         char *dn = NULL;
3535         LDAPMessage *result = NULL;
3536         LDAPMessage *entry = NULL;
3537         int count;
3538         LDAPMod **mods = NULL;
3539         int rc;
3540         enum lsa_SidType type = SID_NAME_USE_NONE;
3541
3542         char *filter = NULL;
3543
3544         if (sid_check_is_in_builtin(alias)) {
3545                 type = SID_NAME_ALIAS;
3546         }
3547
3548         if (sid_check_is_in_our_domain(alias)) {
3549                 type = SID_NAME_ALIAS;
3550         }
3551
3552         if (type == SID_NAME_USE_NONE) {
3553                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3554                           sid_string_static(alias)));
3555                 return NT_STATUS_NO_SUCH_ALIAS;
3556         }
3557
3558         if (asprintf(&filter,
3559                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3560                      LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3561                      type) < 0) {
3562                 return NT_STATUS_NO_MEMORY;
3563         }
3564
3565         if (ldapsam_search_one_group(ldap_state, filter,
3566                                      &result) != LDAP_SUCCESS) {
3567                 SAFE_FREE(filter);
3568                 return NT_STATUS_NO_SUCH_ALIAS;
3569         }
3570
3571         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3572                                    result);
3573
3574         if (count < 1) {
3575                 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3576                 ldap_msgfree(result);
3577                 SAFE_FREE(filter);
3578                 return NT_STATUS_NO_SUCH_ALIAS;
3579         }
3580
3581         if (count > 1) {
3582                 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3583                           "filter %s: count=%d\n", filter, count));
3584                 ldap_msgfree(result);
3585                 SAFE_FREE(filter);
3586                 return NT_STATUS_NO_SUCH_ALIAS;
3587         }
3588
3589         SAFE_FREE(filter);
3590
3591         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3592                                  result);
3593
3594         if (!entry) {
3595                 ldap_msgfree(result);
3596                 return NT_STATUS_UNSUCCESSFUL;
3597         }
3598
3599         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3600         if (!dn) {
3601                 ldap_msgfree(result);
3602                 return NT_STATUS_UNSUCCESSFUL;
3603         }
3604
3605         smbldap_set_mod(&mods, modop,
3606                         get_attr_key2string(groupmap_attr_list,
3607                                             LDAP_ATTR_SID_LIST),
3608                         sid_string_static(member));
3609
3610         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3611
3612         ldap_mods_free(mods, True);
3613         ldap_msgfree(result);
3614         SAFE_FREE(dn);
3615
3616         if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3617                 return NT_STATUS_MEMBER_IN_ALIAS;
3618         }
3619
3620         if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3621                 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3622         }
3623
3624         if (rc != LDAP_SUCCESS) {
3625                 return NT_STATUS_UNSUCCESSFUL;
3626         }
3627
3628         return NT_STATUS_OK;
3629 }
3630
3631 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3632                                      const DOM_SID *alias,
3633                                      const DOM_SID *member)
3634 {
3635         return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3636 }
3637
3638 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3639                                      const DOM_SID *alias,
3640                                      const DOM_SID *member)
3641 {
3642         return ldapsam_modify_aliasmem(methods, alias, member,
3643                                        LDAP_MOD_DELETE);
3644 }
3645
3646 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3647                                       const DOM_SID *alias,
3648                                       DOM_SID **pp_members,
3649                                       size_t *p_num_members)
3650 {
3651         struct ldapsam_privates *ldap_state =
3652                 (struct ldapsam_privates *)methods->private_data;
3653         LDAPMessage *result = NULL;
3654         LDAPMessage *entry = NULL;
3655         int count;
3656         char **values = NULL;
3657         int i;
3658         char *filter = NULL;
3659         size_t num_members = 0;
3660         enum lsa_SidType type = SID_NAME_USE_NONE;
3661
3662         *pp_members = NULL;
3663         *p_num_members = 0;
3664
3665         if (sid_check_is_in_builtin(alias)) {
3666                 type = SID_NAME_ALIAS;
3667         }
3668
3669         if (sid_check_is_in_our_domain(alias)) {
3670                 type = SID_NAME_ALIAS;
3671         }
3672
3673         if (type == SID_NAME_USE_NONE) {
3674                 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3675                           sid_string_static(alias)));
3676                 return NT_STATUS_NO_SUCH_ALIAS;
3677         }
3678
3679         if (asprintf(&filter,
3680                      "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3681                      LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3682                      type) < 0) {
3683                 return NT_STATUS_NO_MEMORY;
3684         }
3685
3686         if (ldapsam_search_one_group(ldap_state, filter,
3687                                      &result) != LDAP_SUCCESS) {
3688                 SAFE_FREE(filter);
3689                 return NT_STATUS_NO_SUCH_ALIAS;
3690         }
3691
3692         count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3693                                    result);
3694
3695         if (count < 1) {
3696                 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3697                 ldap_msgfree(result);
3698                 SAFE_FREE(filter);
3699                 return NT_STATUS_NO_SUCH_ALIAS;
3700         }
3701
3702         if (count > 1) {
3703                 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3704                           "filter %s: count=%d\n", filter, count));
3705                 ldap_msgfree(result);
3706                 SAFE_FREE(filter);
3707                 return NT_STATUS_NO_SUCH_ALIAS;
3708         }
3709
3710         SAFE_FREE(filter);
3711
3712         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3713                                  result);
3714
3715         if (!entry) {
3716                 ldap_msgfree(result);
3717                 return NT_STATUS_UNSUCCESSFUL;
3718         }
3719
3720         values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3721                                  entry,
3722                                  get_attr_key2string(groupmap_attr_list,
3723                                                      LDAP_ATTR_SID_LIST));
3724
3725         if (values == NULL) {
3726                 ldap_msgfree(result);
3727                 return NT_STATUS_OK;
3728         }
3729
3730         count = ldap_count_values(values);
3731
3732         for (i=0; i<count; i++) {
3733                 DOM_SID member;
3734
3735                 if (!string_to_sid(&member, values[i]))
3736                         continue;
3737
3738                 if (!add_sid_to_array(NULL, &member, pp_members, &num_members)) {
3739                         ldap_value_free(values);
3740                         ldap_msgfree(result);
3741                         return NT_STATUS_NO_MEMORY;
3742                 }
3743         }
3744
3745         *p_num_members = num_members;
3746         ldap_value_free(values);
3747         ldap_msgfree(result);
3748
3749         return NT_STATUS_OK;
3750 }
3751
3752 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3753                                           TALLOC_CTX *mem_ctx,
3754                                           const DOM_SID *domain_sid,
3755                                           const DOM_SID *members,
3756                                           size_t num_members,
3757                                           uint32 **pp_alias_rids,
3758                                           size_t *p_num_alias_rids)
3759 {
3760         struct ldapsam_privates *ldap_state =
3761                 (struct ldapsam_privates *)methods->private_data;
3762         LDAP *ldap_struct;
3763
3764         const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3765
3766         LDAPMessage *result = NULL;
3767         LDAPMessage *entry = NULL;
3768         int i;
3769         int rc;
3770         char *filter;
3771         enum lsa_SidType type = SID_NAME_USE_NONE;
3772
3773         if (sid_check_is_builtin(domain_sid)) {
3774                 type = SID_NAME_ALIAS;
3775         }
3776
3777         if (sid_check_is_domain(domain_sid)) {
3778                 type = SID_NAME_ALIAS;
3779         }
3780
3781         if (type == SID_NAME_USE_NONE) {
3782                 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3783                           sid_string_static(domain_sid)));
3784                 return NT_STATUS_UNSUCCESSFUL;
3785         }
3786
3787         filter = talloc_asprintf(mem_ctx,
3788                                  "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3789                                  LDAP_OBJ_GROUPMAP, type);
3790
3791         for (i=0; i<num_members; i++)
3792                 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3793                                          filter,
3794                                          sid_string_static(&members[i]));
3795
3796         filter = talloc_asprintf(mem_ctx, "%s))", filter);
3797
3798         if (filter == NULL) {
3799                 return NT_STATUS_NO_MEMORY;
3800         }
3801
3802         rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3803                             LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3804
3805         if (rc != LDAP_SUCCESS)
3806                 return NT_STATUS_UNSUCCESSFUL;
3807
3808         ldap_struct = ldap_state->smbldap_state->ldap_struct;
3809
3810         for (entry = ldap_first_entry(ldap_struct, result);
3811              entry != NULL;
3812              entry = ldap_next_entry(ldap_struct, entry))
3813         {
3814                 fstring sid_str;
3815                 DOM_SID sid;
3816                 uint32 rid;
3817
3818                 if (!smbldap_get_single_attribute(ldap_struct, entry,
3819                                                   LDAP_ATTRIBUTE_SID,
3820                                                   sid_str,
3821                                                   sizeof(sid_str)-1))
3822                         continue;
3823
3824                 if (!string_to_sid(&sid, sid_str))
3825                         continue;
3826
3827                 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3828                         continue;
3829
3830                 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3831                                         p_num_alias_rids)) {
3832                         ldap_msgfree(result);
3833                         return NT_STATUS_NO_MEMORY;
3834                 }
3835         }
3836
3837         ldap_msgfree(result);
3838         return NT_STATUS_OK;
3839 }
3840
3841 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3842                                                    int policy_index,
3843                                                    uint32 value)
3844 {
3845         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3846         int rc;
3847         LDAPMod **mods = NULL;
3848         fstring value_string;
3849         const char *policy_attr = NULL;
3850
3851         struct ldapsam_privates *ldap_state =
3852                 (struct ldapsam_privates *)methods->private_data;
3853
3854         DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3855
3856         if (!ldap_state->domain_dn) {
3857                 return NT_STATUS_INVALID_PARAMETER;
3858         }
3859
3860         policy_attr = get_account_policy_attr(policy_index);
3861         if (policy_attr == NULL) {
3862                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3863                          "policy\n"));
3864                 return ntstatus;
3865         }
3866
3867         slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3868
3869         smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3870
3871         rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3872                             mods);
3873
3874         ldap_mods_free(mods, True);
3875
3876         if (rc != LDAP_SUCCESS) {
3877                 return ntstatus;
3878         }
3879
3880         if (!cache_account_policy_set(policy_index, value)) {
3881                 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3882                          "update local tdb cache\n"));
3883                 return ntstatus;
3884         }
3885
3886         return NT_STATUS_OK;
3887 }
3888
3889 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3890                                            int policy_index, uint32 value)
3891 {
3892         return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3893                                                   value);
3894 }
3895
3896 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3897                                                      int policy_index,
3898                                                      uint32 *value)
3899 {
3900         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3901         LDAPMessage *result = NULL;
3902         LDAPMessage *entry = NULL;
3903         int count;
3904         int rc;
3905         char **vals = NULL;
3906         const char *policy_attr = NULL;
3907
3908         struct ldapsam_privates *ldap_state =
3909                 (struct ldapsam_privates *)methods->private_data;
3910
3911         const char *attrs[2];
3912
3913         DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3914
3915         if (!ldap_state->domain_dn) {
3916                 return NT_STATUS_INVALID_PARAMETER;
3917         }
3918
3919         policy_attr = get_account_policy_attr(policy_index);
3920         if (!policy_attr) {
3921                 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3922                          "policy index: %d\n", policy_index));
3923                 return ntstatus;
3924         }
3925
3926         attrs[0] = policy_attr;
3927         attrs[1] = NULL;
3928
3929         rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3930                             LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3931                             &result);
3932
3933         if (rc != LDAP_SUCCESS) {
3934                 return ntstatus;
3935         }
3936
3937         count = ldap_count_entries(priv2ld(ldap_state), result);
3938         if (count < 1) {
3939                 goto out;
3940         }
3941
3942         entry = ldap_first_entry(priv2ld(ldap_state), result);
3943         if (entry == NULL) {
3944                 goto out;
3945         }
3946
3947         vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3948         if (vals == NULL) {
3949                 goto out;
3950         }
3951
3952         *value = (uint32)atol(vals[0]);
3953
3954         ntstatus = NT_STATUS_OK;
3955
3956 out:
3957         if (vals)
3958                 ldap_value_free(vals);
3959         ldap_msgfree(result);
3960
3961         return ntstatus;
3962 }
3963
3964 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3965
3966    - if user hasn't decided to use account policies inside LDAP just reuse the
3967      old tdb values
3968
3969    - if there is a valid cache entry, return that
3970    - if there is an LDAP entry, update cache and return
3971    - otherwise set to default, update cache and return
3972
3973    Guenther
3974 */
3975 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3976                                            int policy_index, uint32 *value)
3977 {
3978         NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3979
3980         if (cache_account_policy_get(policy_index, value)) {
3981                 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3982                           "cache\n"));
3983                 return NT_STATUS_OK;
3984         }
3985
3986         ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3987                                                         value);
3988         if (NT_STATUS_IS_OK(ntstatus)) {
3989                 goto update_cache;
3990         }
3991
3992         DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3993                   "ldap\n"));
3994
3995 #if 0
3996         /* should we automagically migrate old tdb value here ? */
3997         if (account_policy_get(policy_index, value))
3998                 goto update_ldap;
3999
4000         DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4001                   "default\n", policy_index));
4002 #endif
4003
4004         if (!account_policy_get_default(policy_index, value)) {
4005                 return ntstatus;
4006         }
4007
4008 /* update_ldap: */
4009
4010         ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
4011         if (!NT_STATUS_IS_OK(ntstatus)) {
4012                 return ntstatus;
4013         }
4014
4015  update_cache:
4016
4017         if (!cache_account_policy_set(policy_index, *value)) {
4018                 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4019                          "tdb as a cache\n"));
4020                 return NT_STATUS_UNSUCCESSFUL;
4021         }
4022
4023         return NT_STATUS_OK;
4024 }
4025
4026 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4027                                     const DOM_SID *domain_sid,
4028                                     int num_rids,
4029                                     uint32 *rids,
4030                                     const char **names,
4031                                     enum lsa_SidType *attrs)
4032 {
4033         struct ldapsam_privates *ldap_state =
4034                 (struct ldapsam_privates *)methods->private_data;
4035         LDAPMessage *msg = NULL;
4036         LDAPMessage *entry;
4037         char *allsids = NULL;
4038         int i, rc, num_mapped;
4039         NTSTATUS result = NT_STATUS_NO_MEMORY;
4040         TALLOC_CTX *mem_ctx;
4041         LDAP *ld;
4042         bool is_builtin;
4043
4044         mem_ctx = talloc_new(NULL);
4045         if (mem_ctx == NULL) {
4046                 DEBUG(0, ("talloc_new failed\n"));
4047                 goto done;
4048         }
4049
4050         if (!sid_check_is_builtin(domain_sid) &&
4051             !sid_check_is_domain(domain_sid)) {
4052                 result = NT_STATUS_INVALID_PARAMETER;
4053                 goto done;
4054         }
4055
4056         for (i=0; i<num_rids; i++)
4057                 attrs[i] = SID_NAME_UNKNOWN;
4058
4059         allsids = talloc_strdup(mem_ctx, "");
4060         if (allsids == NULL) {
4061                 goto done;
4062         }
4063
4064         for (i=0; i<num_rids; i++) {
4065                 DOM_SID sid;
4066                 sid_compose(&sid, domain_sid, rids[i]);
4067                 allsids = talloc_asprintf_append_buffer(allsids, "(sambaSid=%s)",
4068                                                  sid_string_static(&sid));
4069                 if (allsids == NULL) {
4070                         goto done;
4071                 }
4072         }
4073
4074         /* First look for users */
4075
4076         {
4077                 char *filter;
4078                 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4079
4080                 filter = talloc_asprintf(
4081                         mem_ctx, ("(&(objectClass=%s)(|%s))"),
4082                         LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4083
4084                 if (filter == NULL) {
4085                         goto done;
4086                 }
4087
4088                 rc = smbldap_search(ldap_state->smbldap_state,
4089                                     lp_ldap_user_suffix(),
4090                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4091                                     &msg);
4092                 talloc_autofree_ldapmsg(mem_ctx, msg);
4093         }
4094
4095         if (rc != LDAP_SUCCESS)
4096                 goto done;
4097
4098         ld = ldap_state->smbldap_state->ldap_struct;
4099         num_mapped = 0;
4100
4101         for (entry = ldap_first_entry(ld, msg);
4102              entry != NULL;
4103              entry = ldap_next_entry(ld, entry)) {
4104                 uint32 rid;
4105                 int rid_index;
4106                 const char *name;
4107
4108                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4109                                                     &rid)) {
4110                         DEBUG(2, ("Could not find sid from ldap entry\n"));
4111                         continue;
4112                 }
4113
4114                 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4115                                                        names);
4116                 if (name == NULL) {
4117                         DEBUG(2, ("Could not retrieve uid attribute\n"));
4118                         continue;
4119                 }
4120
4121                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4122                         if (rid == rids[rid_index])
4123                                 break;
4124                 }
4125
4126                 if (rid_index == num_rids) {
4127                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4128                         continue;
4129                 }
4130
4131                 attrs[rid_index] = SID_NAME_USER;
4132                 names[rid_index] = name;
4133                 num_mapped += 1;
4134         }
4135
4136         if (num_mapped == num_rids) {
4137                 /* No need to look for groups anymore -- we're done */
4138                 result = NT_STATUS_OK;
4139                 goto done;
4140         }
4141
4142         /* Same game for groups */
4143
4144         {
4145                 char *filter;
4146                 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4147                                              "sambaGroupType", NULL };
4148
4149                 filter = talloc_asprintf(
4150                         mem_ctx, "(&(objectClass=%s)(|%s))",
4151                         LDAP_OBJ_GROUPMAP, allsids);
4152                 if (filter == NULL) {
4153                         goto done;
4154                 }
4155
4156                 rc = smbldap_search(ldap_state->smbldap_state,
4157                                     lp_ldap_group_suffix(),
4158                                     LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4159                                     &msg);
4160                 talloc_autofree_ldapmsg(mem_ctx, msg);
4161         }
4162
4163         if (rc != LDAP_SUCCESS)
4164                 goto done;
4165
4166         /* ldap_struct might have changed due to a reconnect */
4167
4168         ld = ldap_state->smbldap_state->ldap_struct;
4169
4170         /* For consistency checks, we already checked we're only domain or builtin */
4171
4172         is_builtin = sid_check_is_builtin(domain_sid);
4173
4174         for (entry = ldap_first_entry(ld, msg);
4175              entry != NULL;
4176              entry = ldap_next_entry(ld, entry))
4177         {
4178                 uint32 rid;
4179                 int rid_index;
4180                 const char *attr;
4181                 enum lsa_SidType type;
4182                 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4183
4184                 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4185                                                        mem_ctx);
4186                 if (attr == NULL) {
4187                         DEBUG(2, ("Could not extract type from ldap entry %s\n",
4188                                   dn));
4189                         continue;
4190                 }
4191
4192                 type = (enum lsa_SidType)atol(attr);
4193
4194                 /* Consistency checks */
4195                 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4196                     (!is_builtin && ((type != SID_NAME_ALIAS) &&
4197                                      (type != SID_NAME_DOM_GRP)))) {
4198                         DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4199                 }
4200
4201                 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4202                                                     &rid)) {
4203                         DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4204                         continue;
4205                 }
4206
4207                 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4208
4209                 if (attr == NULL) {
4210                         DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4211                                    dn));
4212                         attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4213                 }
4214
4215                 if (attr == NULL) {
4216                         DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4217                                   dn));
4218                         continue;
4219                 }
4220
4221                 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4222                         if (rid == rids[rid_index])
4223                                 break;
4224                 }
4225
4226                 if (rid_index == num_rids) {
4227                         DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4228                         continue;
4229                 }
4230
4231                 attrs[rid_index] = type;
4232                 names[rid_index] = attr;
4233                 num_mapped += 1;
4234         }
4235
4236         result = NT_STATUS_NONE_MAPPED;
4237
4238         if (num_mapped > 0)
4239                 result = (num_mapped == num_rids) ?
4240                         NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4241  done:
4242         TALLOC_FREE(mem_ctx);
4243         return result;
4244 }
4245
4246 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4247 {
4248         char *filter = NULL;
4249         char *escaped = NULL;
4250         char *result = NULL;
4251
4252         asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
4253                  "(uid=%u)");
4254         if (filter == NULL) goto done;
4255
4256         escaped = escape_ldap_string_alloc(username);
4257         if (escaped == NULL) goto done;
4258
4259         result = talloc_string_sub(mem_ctx, filter, "%u", username);
4260
4261  done:
4262         SAFE_FREE(filter);
4263         SAFE_FREE(escaped);
4264
4265         return result;
4266 }
4267
4268 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4269 {
4270         int i, num = 0;
4271         va_list ap;
4272         const char **result;
4273
4274         va_start(ap, mem_ctx);
4275         while (va_arg(ap, const char *) != NULL)
4276                 num += 1;
4277         va_end(ap);
4278
4279         if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4280                 return NULL;
4281         }
4282
4283         va_start(ap, mem_ctx);
4284         for (i=0; i<num; i++) {
4285                 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4286                 if (result[i] == NULL) {
4287                         talloc_free(result);
4288                         return NULL;
4289                 }
4290         }
4291         va_end(ap);
4292
4293         result[num] = NULL;
4294         return result;
4295 }
4296
4297 struct ldap_search_state {
4298         struct smbldap_state *connection;
4299
4300         uint32 acct_flags;
4301         uint16 group_type;
4302
4303         const char *base;
4304         int scope;
4305         const char *filter;
4306         const char **attrs;
4307         int attrsonly;
4308         void *pagedresults_cookie;
4309
4310         LDAPMessage *entries, *current_entry;
4311         bool (*ldap2displayentry)(struct ldap_search_state *state,
4312                                   TALLOC_CTX *mem_ctx,
4313                                   LDAP *ld, LDAPMessage *entry,
4314                                   struct samr_displayentry *result);
4315 };
4316
4317 static bool ldapsam_search_firstpage(struct pdb_search *search)
4318 {
4319         struct ldap_search_state *state =
4320                 (struct ldap_search_state *)search->private_data;
4321         LDAP *ld;
4322         int rc = LDAP_OPERATIONS_ERROR;
4323
4324         state->entries = NULL;
4325
4326         if (state->connection->paged_results) {
4327                 rc = smbldap_search_paged(state->connection, state->base,
4328                                           state->scope, state->filter,
4329                                           state->attrs, state->attrsonly,
4330                                           lp_ldap_page_size(), &state->entries,
4331                                           &state->pagedresults_cookie);
4332         }
4333
4334         if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4335
4336                 if (state->entries != NULL) {
4337                         /* Left over from unsuccessful paged attempt */
4338                         ldap_msgfree(state->entries);
4339                         state->entries = NULL;
4340                 }
4341
4342                 rc = smbldap_search(state->connection, state->base,
4343                                     state->scope, state->filter, state->attrs,
4344                                     state->attrsonly, &state->entries);
4345
4346                 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4347                         return False;
4348
4349                 /* Ok, the server was lying. It told us it could do paged
4350                  * searches when it could not. */
4351                 state->connection->paged_results = False;
4352         }
4353
4354         ld = state->connection->ldap_struct;
4355         if ( ld == NULL) {
4356                 DEBUG(5, ("Don't have an LDAP connection right after a "
4357                           "search\n"));
4358                 return False;
4359         }
4360         state->current_entry = ldap_first_entry(ld, state->entries);
4361
4362         if (state->current_entry == NULL) {
4363                 ldap_msgfree(state->entries);
4364                 state->entries = NULL;
4365         }
4366
4367         return True;
4368 }
4369
4370 static bool ldapsam_search_nextpage(struct pdb_search *search)
4371 {
4372         struct ldap_search_state *state =
4373                 (struct ldap_search_state *)search->private_data;
4374         int rc;
4375
4376         if (!state->connection->paged_results) {
4377                 /* There is no next page when there are no paged results */
4378                 return False;
4379         }
4380
4381         rc = smbldap_search_paged(state->connection, state->base,
4382                                   state->scope, state->filter, state->attrs,
4383                                   state->attrsonly, lp_ldap_page_size(),
4384                                   &state->entries,
4385                                   &state->pagedresults_cookie);
4386
4387         if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4388                 return False;
4389
4390         state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4391
4392         if (state->current_entry == NULL) {
4393                 ldap_msgfree(state->entries);
4394                 state->entries = NULL;
4395         }
4396
4397         return True;
4398 }
4399
4400 static bool ldapsam_search_next_entry(struct pdb_search *search,
4401                                       struct samr_displayentry *entry)
4402 {
4403         struct ldap_search_state *state =
4404                 (struct ldap_search_state *)search->private_data;
4405         bool result;
4406
4407  retry:
4408         if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4409                 return False;
4410
4411         if ((state->entries == NULL) &&
4412             !ldapsam_search_nextpage(search))
4413                     return False;
4414
4415         result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4416                                           state->current_entry, entry);
4417
4418         if (!result) {
4419                 char *dn;
4420                 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4421                 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4422                 if (dn != NULL) ldap_memfree(dn);
4423         }
4424
4425         state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4426
4427         if (state->current_entry == NULL) {
4428                 ldap_msgfree(state->entries);
4429                 state->entries = NULL;
4430         }
4431
4432         if (!result) goto retry;
4433
4434         return True;
4435 }
4436
4437 static void ldapsam_search_end(struct pdb_search *search)
4438 {
4439         struct ldap_search_state *state =
4440                 (struct ldap_search_state *)search->private_data;
4441         int rc;
4442
4443         if (state->pagedresults_cookie == NULL)
4444                 return;
4445
4446         if (state->entries != NULL)
4447                 ldap_msgfree(state->entries);
4448
4449         state->entries = NULL;
4450         state->current_entry = NULL;
4451
4452         if (!state->connection->paged_results)
4453                 return;
4454
4455         /* Tell the LDAP server we're not interested in the rest anymore. */
4456
4457         rc = smbldap_search_paged(state->connection, state->base, state->scope,
4458                                   state->filter, state->attrs,
4459                                   state->attrsonly, 0, &state->entries,
4460                                   &state->pagedresults_cookie);
4461
4462         if (rc != LDAP_SUCCESS)
4463                 DEBUG(5, ("Could not end search properly\n"));
4464
4465         return;
4466 }
4467
4468 static bool ldapuser2displayentry(struct ldap_search_state *state,
4469                                   TALLOC_CTX *mem_ctx,
4470                                   LDAP *ld, LDAPMessage *entry,
4471                                   struct samr_displayentry *result)
4472 {
4473         char **vals;
4474         DOM_SID sid;
4475         uint32 acct_flags;
4476
4477         vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4478         if ((vals == NULL) || (vals[0] == NULL)) {
4479                 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4480                 return False;
4481         }
4482         acct_flags = pdb_decode_acct_ctrl(vals[0]);
4483         ldap_value_free(vals);
4484
4485         if ((state->acct_flags != 0) &&
4486             ((state->acct_flags & acct_flags) == 0))
4487                 return False;
4488
4489         result->acct_flags = acct_flags;
4490         result->account_name = "";
4491         result->fullname = "";
4492         result->description = "";
4493
4494         vals = ldap_get_values(ld, entry, "uid");
4495         if ((vals == NULL) || (vals[0] == NULL)) {
4496                 DEBUG(5, ("\"uid\" not found\n"));
4497                 return False;
4498         }
4499         pull_utf8_talloc(mem_ctx,
4500                          CONST_DISCARD(char **, &result->account_name),
4501                          vals[0]);
4502         ldap_value_free(vals);
4503
4504         vals = ldap_get_values(ld, entry, "displayName");
4505         if ((vals == NULL) || (vals[0] == NULL))
4506                 DEBUG(8, ("\"displayName\" not found\n"));
4507         else
4508                 pull_utf8_talloc(mem_ctx,
4509                                  CONST_DISCARD(char **, &result->fullname),
4510                                  vals[0]);
4511         ldap_value_free(vals);
4512
4513         vals = ldap_get_values(ld, entry, "description");
4514         if ((vals == NULL) || (vals[0] == NULL))
4515                 DEBUG(8, ("\"description\" not found\n"));
4516         else
4517                 pull_utf8_talloc(mem_ctx,
4518                                  CONST_DISCARD(char **, &result->description),
4519                                  vals[0]);
4520         ldap_value_free(vals);
4521
4522         if ((result->account_name == NULL) ||
4523             (result->fullname == NULL) ||
4524             (result->description == NULL)) {
4525                 DEBUG(0, ("talloc failed\n"));
4526                 return False;
4527         }
4528
4529         vals = ldap_get_values(ld, entry, "sambaSid");
4530         if ((vals == NULL) || (vals[0] == NULL)) {
4531                 DEBUG(0, ("\"objectSid\" not found\n"));
4532                 return False;
4533         }
4534
4535         if (!string_to_sid(&sid, vals[0])) {
4536                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4537                 ldap_value_free(vals);
4538                 return False;
4539         }
4540         ldap_value_free(vals);
4541
4542         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4543                 DEBUG(0, ("sid %s does not belong to our domain\n",
4544                           sid_string_static(&sid)));
4545                 return False;
4546         }
4547
4548         return True;
4549 }
4550
4551
4552 static bool ldapsam_search_users(struct pdb_methods *methods,
4553                                  struct pdb_search *search,
4554                                  uint32 acct_flags)
4555 {
4556         struct ldapsam_privates *ldap_state =
4557                 (struct ldapsam_privates *)methods->private_data;
4558         struct ldap_search_state *state;
4559
4560         state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4561         if (state == NULL) {
4562                 DEBUG(0, ("talloc failed\n"));
4563                 return False;
4564         }
4565
4566         state->connection = ldap_state->smbldap_state;
4567
4568         if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4569                 state->base = lp_ldap_user_suffix();
4570         else if ((acct_flags != 0) &&
4571                  ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4572                 state->base = lp_ldap_machine_suffix();
4573         else
4574                 state->base = lp_ldap_suffix();
4575
4576         state->acct_flags = acct_flags;
4577         state->base = talloc_strdup(search->mem_ctx, state->base);
4578         state->scope = LDAP_SCOPE_SUBTREE;
4579         state->filter = get_ldap_filter(search->mem_ctx, "*");
4580         state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4581                                     "displayName", "description",
4582                                     "sambaAcctFlags", NULL);
4583         state->attrsonly = 0;
4584         state->pagedresults_cookie = NULL;
4585         state->entries = NULL;
4586         state->ldap2displayentry = ldapuser2displayentry;
4587
4588         if ((state->filter == NULL) || (state->attrs == NULL)) {
4589                 DEBUG(0, ("talloc failed\n"));
4590                 return False;
4591         }
4592
4593         search->private_data = state;
4594         search->next_entry = ldapsam_search_next_entry;
4595         search->search_end = ldapsam_search_end;
4596
4597         return ldapsam_search_firstpage(search);
4598 }
4599
4600 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4601                                    TALLOC_CTX *mem_ctx,
4602                                    LDAP *ld, LDAPMessage *entry,
4603                                    struct samr_displayentry *result)
4604 {
4605         char **vals;
4606         DOM_SID sid;
4607         uint16 group_type;
4608
4609         result->account_name = "";
4610         result->fullname = "";
4611         result->description = "";
4612
4613
4614         vals = ldap_get_values(ld, entry, "sambaGroupType");
4615         if ((vals == NULL) || (vals[0] == NULL)) {
4616                 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4617                 if (vals != NULL) {
4618                         ldap_value_free(vals);
4619                 }
4620                 return False;
4621         }
4622
4623         group_type = atoi(vals[0]);
4624
4625         if ((state->group_type != 0) &&
4626             ((state->group_type != group_type))) {
4627                 ldap_value_free(vals);
4628                 return False;
4629         }
4630
4631         ldap_value_free(vals);
4632
4633         /* display name is the NT group name */
4634
4635         vals = ldap_get_values(ld, entry, "displayName");
4636         if ((vals == NULL) || (vals[0] == NULL)) {
4637                 DEBUG(8, ("\"displayName\" not found\n"));
4638
4639                 /* fallback to the 'cn' attribute */
4640                 vals = ldap_get_values(ld, entry, "cn");
4641                 if ((vals == NULL) || (vals[0] == NULL)) {
4642                         DEBUG(5, ("\"cn\" not found\n"));
4643                         return False;
4644                 }
4645                 pull_utf8_talloc(mem_ctx,
4646                                  CONST_DISCARD(char **, &result->account_name),
4647                                  vals[0]);
4648         }
4649         else {
4650                 pull_utf8_talloc(mem_ctx,
4651                                  CONST_DISCARD(char **, &result->account_name),
4652                                  vals[0]);
4653         }
4654
4655         ldap_value_free(vals);
4656
4657         vals = ldap_get_values(ld, entry, "description");
4658         if ((vals == NULL) || (vals[0] == NULL))
4659                 DEBUG(8, ("\"description\" not found\n"));
4660         else
4661                 pull_utf8_talloc(mem_ctx,
4662                                  CONST_DISCARD(char **, &result->description),
4663                                  vals[0]);
4664         ldap_value_free(vals);
4665
4666         if ((result->account_name == NULL) ||
4667             (result->fullname == NULL) ||
4668             (result->description == NULL)) {
4669                 DEBUG(0, ("talloc failed\n"));
4670                 return False;
4671         }
4672
4673         vals = ldap_get_values(ld, entry, "sambaSid");
4674         if ((vals == NULL) || (vals[0] == NULL)) {
4675                 DEBUG(0, ("\"objectSid\" not found\n"));
4676                 if (vals != NULL) {
4677                         ldap_value_free(vals);
4678                 }
4679                 return False;
4680         }
4681
4682         if (!string_to_sid(&sid, vals[0])) {
4683                 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4684                 return False;
4685         }
4686
4687         ldap_value_free(vals);
4688
4689         switch (group_type) {
4690                 case SID_NAME_DOM_GRP:
4691                 case SID_NAME_ALIAS:
4692
4693                         if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4694                                 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4695                         {
4696                                 DEBUG(0, ("%s is not in our domain\n",
4697                                           sid_string_static(&sid)));
4698                                 return False;
4699                         }
4700                         break;
4701
4702                 default:
4703                         DEBUG(0,("unkown group type: %d\n", group_type));
4704                         return False;
4705         }
4706
4707         return True;
4708 }
4709
4710 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4711                                      struct pdb_search *search,
4712                                      const DOM_SID *sid,
4713                                      enum lsa_SidType type)
4714 {
4715         struct ldapsam_privates *ldap_state =
4716                 (struct ldapsam_privates *)methods->private_data;
4717         struct ldap_search_state *state;
4718
4719         state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4720         if (state == NULL) {
4721                 DEBUG(0, ("talloc failed\n"));
4722                 return False;
4723         }
4724
4725         state->connection = ldap_state->smbldap_state;
4726
4727         state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4728         state->connection = ldap_state->smbldap_state;
4729         state->scope = LDAP_SCOPE_SUBTREE;
4730         state->filter = talloc_asprintf(search->mem_ctx,
4731                                         "(&(objectclass=sambaGroupMapping)"
4732                                         "(sambaGroupType=%d)(sambaSID=%s*))",
4733                                         type, sid_string_static(sid));
4734         state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4735                                     "displayName", "description",
4736                                     "sambaGroupType", NULL);
4737         state->attrsonly = 0;
4738         state->pagedresults_cookie = NULL;
4739         state->entries = NULL;
4740         state->group_type = type;
4741         state->ldap2displayentry = ldapgroup2displayentry;
4742
4743         if ((state->filter == NULL) || (state->attrs == NULL)) {
4744                 DEBUG(0, ("talloc failed\n"));
4745                 return False;
4746         }
4747
4748         search->private_data = state;
4749         search->next_entry = ldapsam_search_next_entry;
4750         search->search_end = ldapsam_search_end;
4751
4752         return ldapsam_search_firstpage(search);
4753 }
4754
4755 static bool ldapsam_search_groups(struct pdb_methods *methods,
4756                                   struct pdb_search *search)
4757 {
4758         return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4759 }
4760
4761 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4762                                    struct pdb_search *search,
4763                                    const DOM_SID *sid)
4764 {
4765         return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4766 }
4767
4768 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4769 {
4770         return False;
4771 }
4772
4773 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4774                                     uint32 *rid)
4775 {
4776         struct smbldap_state *smbldap_state = priv->smbldap_state;
4777
4778         LDAPMessage *result = NULL;
4779         LDAPMessage *entry = NULL;
4780         LDAPMod **mods = NULL;
4781         NTSTATUS status;
4782         char *value;
4783         int rc;
4784         uint32 nextRid = 0;
4785         const char *dn;
4786
4787         TALLOC_CTX *mem_ctx;
4788
4789         mem_ctx = talloc_new(NULL);
4790         if (mem_ctx == NULL) {
4791                 DEBUG(0, ("talloc_new failed\n"));
4792                 return NT_STATUS_NO_MEMORY;
4793         }
4794
4795         status = smbldap_search_domain_info(smbldap_state, &result,
4796                                             get_global_sam_name(), False);
4797         if (!NT_STATUS_IS_OK(status)) {
4798                 DEBUG(3, ("Could not get domain info: %s\n",
4799                           nt_errstr(status)));
4800                 goto done;
4801         }
4802
4803         talloc_autofree_ldapmsg(mem_ctx, result);
4804
4805         entry = ldap_first_entry(priv2ld(priv), result);
4806         if (entry == NULL) {
4807                 DEBUG(0, ("Could not get domain info entry\n"));
4808                 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4809                 goto done;
4810         }
4811
4812         /* Find the largest of the three attributes "sambaNextRid",
4813            "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4814            concept of differentiating between user and group rids, and will
4815            use only "sambaNextRid" in the future. But for compatibility
4816            reasons I look if others have chosen different strategies -- VL */
4817
4818         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4819                                                 "sambaNextRid", mem_ctx);
4820         if (value != NULL) {
4821                 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4822                 nextRid = MAX(nextRid, tmp);
4823         }
4824
4825         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4826                                                 "sambaNextUserRid", mem_ctx);
4827         if (value != NULL) {
4828                 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4829                 nextRid = MAX(nextRid, tmp);
4830         }
4831
4832         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4833                                                 "sambaNextGroupRid", mem_ctx);
4834         if (value != NULL) {
4835                 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4836                 nextRid = MAX(nextRid, tmp);
4837         }
4838
4839         if (nextRid == 0) {
4840                 nextRid = BASE_RID-1;
4841         }
4842
4843         nextRid += 1;
4844
4845         smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4846                          talloc_asprintf(mem_ctx, "%d", nextRid));
4847         talloc_autofree_ldapmod(mem_ctx, mods);
4848
4849         if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4850                 status = NT_STATUS_NO_MEMORY;
4851                 goto done;
4852         }
4853
4854         rc = smbldap_modify(smbldap_state, dn, mods);
4855
4856         /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4857          * please retry" */
4858
4859         status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4860
4861  done:
4862         if (NT_STATUS_IS_OK(status)) {
4863                 *rid = nextRid;
4864         }
4865
4866         TALLOC_FREE(mem_ctx);
4867         return status;
4868 }
4869
4870 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4871 {
4872         int i;
4873
4874         for (i=0; i<10; i++) {
4875                 NTSTATUS result = ldapsam_get_new_rid(
4876                         (struct ldapsam_privates *)methods->private_data, rid);
4877                 if (NT_STATUS_IS_OK(result)) {
4878                         return result;
4879                 }
4880
4881                 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4882                         return result;
4883                 }
4884
4885                 /* The ldap update failed (maybe a race condition), retry */
4886         }
4887
4888         /* Tried 10 times, fail. */
4889         return NT_STATUS_ACCESS_DENIED;
4890 }
4891
4892 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4893 {
4894         NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4895         return NT_STATUS_IS_OK(result) ? True : False;
4896 }
4897
4898 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4899                               const DOM_SID *sid,
4900                               union unid_t *id, enum lsa_SidType *type)
4901 {
4902         struct ldapsam_privates *priv =
4903                 (struct ldapsam_privates *)methods->private_data;
4904         char *filter;
4905         const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4906                                 NULL };
4907         LDAPMessage *result = NULL;
4908         LDAPMessage *entry = NULL;
4909         bool ret = False;
4910         char *value;
4911         int rc;
4912
4913         TALLOC_CTX *mem_ctx;
4914
4915         mem_ctx = talloc_new(NULL);
4916         if (mem_ctx == NULL) {
4917                 DEBUG(0, ("talloc_new failed\n"));
4918                 return False;
4919         }
4920
4921         filter = talloc_asprintf(mem_ctx,
4922                                  "(&(sambaSid=%s)"
4923                                  "(|(objectClass=%s)(objectClass=%s)))",
4924                                  sid_string_static(sid),
4925                                  LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4926         if (filter == NULL) {
4927                 DEBUG(5, ("talloc_asprintf failed\n"));
4928                 goto done;
4929         }
4930
4931         rc = smbldap_search_suffix(priv->smbldap_state, filter,
4932                                    attrs, &result);
4933         if (rc != LDAP_SUCCESS) {
4934                 goto done;
4935         }
4936         talloc_autofree_ldapmsg(mem_ctx, result);
4937
4938         if (ldap_count_entries(priv2ld(priv), result) != 1) {
4939                 DEBUG(10, ("Got %d entries, expected one\n",
4940                            ldap_count_entries(priv2ld(priv), result)));
4941                 goto done;
4942         }
4943
4944         entry = ldap_first_entry(priv2ld(priv), result);
4945
4946         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4947                                                 "sambaGroupType", mem_ctx);
4948
4949         if (value != NULL) {
4950                 const char *gid_str;
4951                 /* It's a group */
4952
4953                 gid_str = smbldap_talloc_single_attribute(
4954                         priv2ld(priv), entry, "gidNumber", mem_ctx);
4955                 if (gid_str == NULL) {
4956                         DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4957                                   smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4958                                                     entry)));
4959                         goto done;
4960                 }
4961
4962                 id->gid = strtoul(gid_str, NULL, 10);
4963                 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4964                 ret = True;
4965                 goto done;
4966         }
4967
4968         /* It must be a user */
4969
4970         value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4971                                                 "uidNumber", mem_ctx);
4972         if (value == NULL) {
4973                 DEBUG(1, ("Could not find uidNumber in %s\n",
4974                           smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4975                 goto done;
4976         }
4977
4978         id->uid = strtoul(value, NULL, 10);
4979         *type = SID_NAME_USER;
4980
4981         ret = True;
4982  done:
4983         TALLOC_FREE(mem_ctx);
4984         return ret;
4985 }
4986
4987 /*
4988  * The following functions is called only if
4989  * ldapsam:trusted and ldapsam:editposix are
4990  * set to true
4991  */
4992
4993 /*
4994  * ldapsam_create_user creates a new
4995  * posixAccount and sambaSamAccount object
4996  * in the ldap users subtree
4997  *
4998  * The uid is allocated by winbindd.
4999  */
5000
5001 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5002                                     TALLOC_CTX *tmp_ctx, const char *name,
5003                                     uint32 acb_info, uint32 *rid)
5004 {
5005         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5006         LDAPMessage *entry = NULL;
5007         LDAPMessage *result = NULL;
5008         uint32 num_result;
5009         bool is_machine = False;
5010         bool add_posix = False;
5011         LDAPMod **mods = NULL;
5012         struct samu *user;
5013         char *filter;
5014         char *username;
5015         char *homedir;
5016         char *gidstr;
5017         char *uidstr;
5018         char *shell;
5019         const char *dn = NULL;
5020         DOM_SID group_sid;
5021         DOM_SID user_sid;
5022         gid_t gid = -1;
5023         uid_t uid = -1;
5024         NTSTATUS ret;
5025         int rc;
5026
5027         if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5028               acb_info & ACB_WSTRUST ||
5029               acb_info & ACB_SVRTRUST ||
5030               acb_info & ACB_DOMTRUST) {
5031                 is_machine = True;
5032         }
5033
5034         username = escape_ldap_string_alloc(name);
5035         filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5036                                  username, LDAP_OBJ_POSIXACCOUNT);
5037         SAFE_FREE(username);
5038
5039         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5040         if (rc != LDAP_SUCCESS) {
5041                 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5042                 return NT_STATUS_UNSUCCESSFUL;
5043         }
5044         talloc_autofree_ldapmsg(tmp_ctx, result);
5045
5046         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5047
5048         if (num_result > 1) {
5049                 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5050                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5051         }
5052
5053         if (num_result == 1) {
5054                 char *tmp;
5055                 /* check if it is just a posix account.
5056                  * or if there is a sid attached to this entry
5057                  */
5058
5059                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5060                 if (!entry) {
5061                         return NT_STATUS_UNSUCCESSFUL;
5062                 }
5063
5064                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5065                 if (tmp) {
5066                         DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5067                         return NT_STATUS_USER_EXISTS;
5068                 }
5069
5070                 /* it is just a posix account, retrieve the dn for later use */
5071                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5072                 if (!dn) {
5073                         DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5074                         return NT_STATUS_NO_MEMORY;
5075                 }
5076         }
5077
5078         if (num_result == 0) {
5079                 add_posix = True;
5080         }
5081
5082         /* Create the basic samu structure and generate the mods for the ldap commit */
5083         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5084                 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5085                 return ret;
5086         }
5087
5088         sid_compose(&user_sid, get_global_sam_sid(), *rid);
5089
5090         user = samu_new(tmp_ctx);
5091         if (!user) {
5092                 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5093                 return NT_STATUS_NO_MEMORY;
5094         }
5095
5096         if (!pdb_set_username(user, name, PDB_SET)) {
5097                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5098                 return NT_STATUS_UNSUCCESSFUL;
5099         }
5100         if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5101                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5102                 return NT_STATUS_UNSUCCESSFUL;
5103         }
5104         if (is_machine) {
5105                 if (acb_info & ACB_NORMAL) {
5106                         if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5107                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5108                                 return NT_STATUS_UNSUCCESSFUL;
5109                         }
5110                 } else {
5111                         if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5112                                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5113                                 return NT_STATUS_UNSUCCESSFUL;
5114                         }
5115                 }
5116         } else {
5117                 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5118                         DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5119                         return NT_STATUS_UNSUCCESSFUL;
5120                 }
5121         }
5122
5123         if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5124                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5125                 return NT_STATUS_UNSUCCESSFUL;
5126         }
5127
5128         if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5129                 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5130                 return NT_STATUS_UNSUCCESSFUL;
5131         }
5132
5133         if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5134                 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5135         }
5136         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5137
5138         if (add_posix) {
5139                 char *escape_name;
5140
5141                 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5142
5143                 /* retrieve the Domain Users group gid */
5144                 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5145                     !sid_to_gid(&group_sid, &gid)) {
5146                         DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5147                         return NT_STATUS_INVALID_PRIMARY_GROUP;
5148                 }
5149
5150                 /* lets allocate a new userid for this user */
5151                 if (!winbind_allocate_uid(&uid)) {
5152                         DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5153                         return NT_STATUS_UNSUCCESSFUL;
5154                 }
5155
5156
5157                 if (is_machine) {
5158                         /* TODO: choose a more appropriate default for machines */
5159                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5160                         shell = talloc_strdup(tmp_ctx, "/bin/false");
5161                 } else {
5162                         homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5163                         shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5164                 }
5165                 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
5166                 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5167
5168                 escape_name = escape_rdn_val_string_alloc(name);
5169                 if (!escape_name) {
5170                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5171                         return NT_STATUS_NO_MEMORY;
5172                 }
5173
5174                 if (is_machine) {
5175                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5176                 } else {
5177                         dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5178                 }
5179
5180                 SAFE_FREE(escape_name);
5181
5182                 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5183                         DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5184                         return NT_STATUS_NO_MEMORY;
5185                 }
5186
5187                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5188                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5189                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5190                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5191                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5192                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5193                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5194         }
5195
5196         talloc_autofree_ldapmod(tmp_ctx, mods);
5197
5198         if (add_posix) {
5199                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5200         } else {
5201                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5202         }
5203
5204         if (rc != LDAP_SUCCESS) {
5205                 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5206                 return NT_STATUS_UNSUCCESSFUL;
5207         }
5208
5209         DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5210
5211         flush_pwnam_cache();
5212
5213         return NT_STATUS_OK;
5214 }
5215
5216 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5217 {
5218         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5219         LDAPMessage *result = NULL;
5220         LDAPMessage *entry = NULL;
5221         int num_result;
5222         const char *dn;
5223         char *filter;
5224         int rc;
5225
5226         DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5227
5228         filter = talloc_asprintf(tmp_ctx,
5229                                  "(&(uid=%s)"
5230                                  "(objectClass=%s)"
5231                                  "(objectClass=%s))",
5232                                  pdb_get_username(sam_acct),
5233                                  LDAP_OBJ_POSIXACCOUNT,
5234                                  LDAP_OBJ_SAMBASAMACCOUNT);
5235         if (filter == NULL) {
5236                 return NT_STATUS_NO_MEMORY;
5237         }
5238
5239         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5240         if (rc != LDAP_SUCCESS) {
5241                 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5242                 return NT_STATUS_UNSUCCESSFUL;
5243         }
5244         talloc_autofree_ldapmsg(tmp_ctx, result);
5245
5246         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5247
5248         if (num_result == 0) {
5249                 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5250                 return NT_STATUS_NO_SUCH_USER;
5251         }
5252
5253         if (num_result > 1) {
5254                 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5255                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5256         }
5257
5258         entry = ldap_first_entry(priv2ld(ldap_state), result);
5259         if (!entry) {
5260                 return NT_STATUS_UNSUCCESSFUL;
5261         }
5262
5263         /* it is just a posix account, retrieve the dn for later use */
5264         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5265         if (!dn) {
5266                 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5267                 return NT_STATUS_NO_MEMORY;
5268         }
5269
5270         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5271         if (rc != LDAP_SUCCESS) {
5272                 return NT_STATUS_UNSUCCESSFUL;
5273         }
5274
5275         flush_pwnam_cache();
5276
5277         return NT_STATUS_OK;
5278 }
5279
5280 /*
5281  * ldapsam_create_group creates a new
5282  * posixGroup and sambaGroupMapping object
5283  * in the ldap groups subtree
5284  *
5285  * The gid is allocated by winbindd.
5286  */
5287
5288 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5289                                          TALLOC_CTX *tmp_ctx,
5290                                          const char *name,
5291                                          uint32 *rid)
5292 {
5293         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5294         NTSTATUS ret;
5295         LDAPMessage *entry = NULL;
5296         LDAPMessage *result = NULL;
5297         uint32 num_result;
5298         bool is_new_entry = False;
5299         LDAPMod **mods = NULL;
5300         char *filter;
5301         char *groupsidstr;
5302         char *groupname;
5303         char *grouptype;
5304         char *gidstr;
5305         const char *dn = NULL;
5306         DOM_SID group_sid;
5307         gid_t gid = -1;
5308         int rc;
5309
5310         groupname = escape_ldap_string_alloc(name);
5311         filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5312                                  groupname, LDAP_OBJ_POSIXGROUP);
5313         SAFE_FREE(groupname);
5314
5315         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5316         if (rc != LDAP_SUCCESS) {
5317                 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5318                 return NT_STATUS_UNSUCCESSFUL;
5319         }
5320         talloc_autofree_ldapmsg(tmp_ctx, result);
5321
5322         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5323
5324         if (num_result > 1) {
5325                 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5326                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5327         }
5328
5329         if (num_result == 1) {
5330                 char *tmp;
5331                 /* check if it is just a posix group.
5332                  * or if there is a sid attached to this entry
5333                  */
5334
5335                 entry = ldap_first_entry(priv2ld(ldap_state), result);
5336                 if (!entry) {
5337                         return NT_STATUS_UNSUCCESSFUL;
5338                 }
5339
5340                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5341                 if (tmp) {
5342                         DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5343                         return NT_STATUS_GROUP_EXISTS;
5344                 }
5345
5346                 /* it is just a posix group, retrieve the gid and the dn for later use */
5347                 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5348                 if (!tmp) {
5349                         DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5350                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5351                 }
5352
5353                 gid = strtoul(tmp, NULL, 10);
5354
5355                 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5356                 if (!dn) {
5357                         DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5358                         return NT_STATUS_NO_MEMORY;
5359                 }
5360         }
5361
5362         if (num_result == 0) {
5363                 char *escape_name;
5364
5365                 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5366
5367                 is_new_entry = True;
5368
5369                 /* lets allocate a new groupid for this group */
5370                 if (!winbind_allocate_gid(&gid)) {
5371                         DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5372                         return NT_STATUS_UNSUCCESSFUL;
5373                 }
5374
5375                 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5376
5377                 escape_name = escape_rdn_val_string_alloc(name);
5378                 if (!escape_name) {
5379                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5380                         return NT_STATUS_NO_MEMORY;
5381                 }
5382
5383                 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5384
5385                 SAFE_FREE(escape_name);
5386
5387                 if (!gidstr || !dn) {
5388                         DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5389                         return NT_STATUS_NO_MEMORY;
5390                 }
5391
5392                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5393                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5394                 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5395         }
5396
5397         if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5398                 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5399                 return ret;
5400         }
5401
5402         sid_compose(&group_sid, get_global_sam_sid(), *rid);
5403
5404         groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
5405         grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5406
5407         if (!groupsidstr || !grouptype) {
5408                 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5409                 return NT_STATUS_NO_MEMORY;
5410         }
5411
5412         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5413         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5414         smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5415         smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5416         talloc_autofree_ldapmod(tmp_ctx, mods);
5417
5418         if (is_new_entry) {
5419                 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5420 #if 0
5421                 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5422                         /* This call may fail with rfc2307bis schema */
5423                         /* Retry adding a structural class */
5424                         smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5425                         rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5426                 }
5427 #endif
5428         } else {
5429                 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5430         }
5431
5432         if (rc != LDAP_SUCCESS) {
5433                 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5434                 return NT_STATUS_UNSUCCESSFUL;
5435         }
5436
5437         DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5438
5439         return NT_STATUS_OK;
5440 }
5441
5442 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5443 {
5444         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5445         LDAPMessage *result = NULL;
5446         LDAPMessage *entry = NULL;
5447         int num_result;
5448         const char *dn;
5449         char *gidstr;
5450         char *filter;
5451         DOM_SID group_sid;
5452         int rc;
5453
5454         /* get the group sid */
5455         sid_compose(&group_sid, get_global_sam_sid(), rid);
5456
5457         filter = talloc_asprintf(tmp_ctx,
5458                                  "(&(sambaSID=%s)"
5459                                  "(objectClass=%s)"
5460                                  "(objectClass=%s))",
5461                                  sid_string_static(&group_sid),
5462                                  LDAP_OBJ_POSIXGROUP,
5463                                  LDAP_OBJ_GROUPMAP);
5464         if (filter == NULL) {
5465                 return NT_STATUS_NO_MEMORY;
5466         }
5467
5468         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5469         if (rc != LDAP_SUCCESS) {
5470                 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5471                 return NT_STATUS_UNSUCCESSFUL;
5472         }
5473         talloc_autofree_ldapmsg(tmp_ctx, result);
5474
5475         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5476
5477         if (num_result == 0) {
5478                 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5479                 return NT_STATUS_NO_SUCH_GROUP;
5480         }
5481
5482         if (num_result > 1) {
5483                 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5484                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5485         }
5486
5487         entry = ldap_first_entry(priv2ld(ldap_state), result);
5488         if (!entry) {
5489                 return NT_STATUS_UNSUCCESSFUL;
5490         }
5491
5492         /* here it is, retrieve the dn for later use */
5493         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5494         if (!dn) {
5495                 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5496                 return NT_STATUS_NO_MEMORY;
5497         }
5498
5499         gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5500         if (!gidstr) {
5501                 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5502                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5503         }
5504
5505         /* check no user have this group marked as primary group */
5506         filter = talloc_asprintf(tmp_ctx,
5507                                  "(&(gidNumber=%s)"
5508                                  "(objectClass=%s)"
5509                                  "(objectClass=%s))",
5510                                  gidstr,
5511                                  LDAP_OBJ_POSIXACCOUNT,
5512                                  LDAP_OBJ_SAMBASAMACCOUNT);
5513
5514         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5515         if (rc != LDAP_SUCCESS) {
5516                 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5517                 return NT_STATUS_UNSUCCESSFUL;
5518         }
5519         talloc_autofree_ldapmsg(tmp_ctx, result);
5520
5521         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5522
5523         if (num_result != 0) {
5524                 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5525                 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5526         }
5527
5528         rc = smbldap_delete(ldap_state->smbldap_state, dn);
5529         if (rc != LDAP_SUCCESS) {
5530                 return NT_STATUS_UNSUCCESSFUL;
5531         }
5532
5533         return NT_STATUS_OK;
5534 }
5535
5536 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5537                                         TALLOC_CTX *tmp_ctx,
5538                                         uint32 group_rid,
5539                                         uint32 member_rid,
5540                                         int modop)
5541 {
5542         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5543         LDAPMessage *entry = NULL;
5544         LDAPMessage *result = NULL;
5545         uint32 num_result;
5546         LDAPMod **mods = NULL;
5547         char *filter;
5548         char *uidstr;
5549         const char *dn = NULL;
5550         DOM_SID group_sid;
5551         DOM_SID member_sid;
5552         int rc;
5553
5554         switch (modop) {
5555         case LDAP_MOD_ADD:
5556                 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5557                 break;
5558         case LDAP_MOD_DELETE:
5559                 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5560                 break;
5561         default:
5562                 return NT_STATUS_UNSUCCESSFUL;
5563         }
5564
5565         /* get member sid  */
5566         sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5567
5568         /* get the group sid */
5569         sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5570
5571         filter = talloc_asprintf(tmp_ctx,
5572                                  "(&(sambaSID=%s)"
5573                                  "(objectClass=%s)"
5574                                  "(objectClass=%s))",
5575                                  sid_string_static(&member_sid),
5576                                  LDAP_OBJ_POSIXACCOUNT,
5577                                  LDAP_OBJ_SAMBASAMACCOUNT);
5578         if (filter == NULL) {
5579                 return NT_STATUS_NO_MEMORY;
5580         }
5581
5582         /* get the member uid */
5583         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5584         if (rc != LDAP_SUCCESS) {
5585                 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5586                 return NT_STATUS_UNSUCCESSFUL;
5587         }
5588         talloc_autofree_ldapmsg(tmp_ctx, result);
5589
5590         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5591
5592         if (num_result == 0) {
5593                 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5594                 return NT_STATUS_NO_SUCH_MEMBER;
5595         }
5596
5597         if (num_result > 1) {
5598                 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5599                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5600         }
5601
5602         entry = ldap_first_entry(priv2ld(ldap_state), result);
5603         if (!entry) {
5604                 return NT_STATUS_UNSUCCESSFUL;
5605         }
5606
5607         if (modop == LDAP_MOD_DELETE) {
5608                 /* check if we are trying to remove the member from his primary group */
5609                 char *gidstr;
5610                 gid_t user_gid, group_gid;
5611
5612                 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5613                 if (!gidstr) {
5614                         DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5615                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
5616                 }
5617
5618                 user_gid = strtoul(gidstr, NULL, 10);
5619
5620                 if (!sid_to_gid(&group_sid, &group_gid)) {
5621                         DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5622                         return NT_STATUS_UNSUCCESSFUL;
5623                 }
5624
5625                 if (user_gid == group_gid) {
5626                         DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5627                         return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5628                 }
5629         }
5630
5631         /* here it is, retrieve the uid for later use */
5632         uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5633         if (!uidstr) {
5634                 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5635                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5636         }
5637
5638         filter = talloc_asprintf(tmp_ctx,
5639                                  "(&(sambaSID=%s)"
5640                                  "(objectClass=%s)"
5641                                  "(objectClass=%s))",
5642                                  sid_string_static(&group_sid),
5643                                  LDAP_OBJ_POSIXGROUP,
5644                                  LDAP_OBJ_GROUPMAP);
5645
5646         /* get the group */
5647         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5648         if (rc != LDAP_SUCCESS) {
5649                 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5650                 return NT_STATUS_UNSUCCESSFUL;
5651         }
5652         talloc_autofree_ldapmsg(tmp_ctx, result);
5653
5654         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5655
5656         if (num_result == 0) {
5657                 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5658                 return NT_STATUS_NO_SUCH_GROUP;
5659         }
5660
5661         if (num_result > 1) {
5662                 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5663                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5664         }
5665
5666         entry = ldap_first_entry(priv2ld(ldap_state), result);
5667         if (!entry) {
5668                 return NT_STATUS_UNSUCCESSFUL;
5669         }
5670
5671         /* here it is, retrieve the dn for later use */
5672         dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5673         if (!dn) {
5674                 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5675                 return NT_STATUS_NO_MEMORY;
5676         }
5677
5678         smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5679
5680         talloc_autofree_ldapmod(tmp_ctx, mods);
5681
5682         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5683         if (rc != LDAP_SUCCESS) {
5684                 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5685                         DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5686                         return NT_STATUS_MEMBER_IN_GROUP;
5687                 }
5688                 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5689                         DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5690                         return NT_STATUS_MEMBER_NOT_IN_GROUP;
5691                 }
5692                 return NT_STATUS_UNSUCCESSFUL;
5693         }
5694
5695         return NT_STATUS_OK;
5696 }
5697
5698 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5699                                      TALLOC_CTX *tmp_ctx,
5700                                      uint32 group_rid,
5701                                      uint32 member_rid)
5702 {
5703         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5704 }
5705 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5706                                      TALLOC_CTX *tmp_ctx,
5707                                      uint32 group_rid,
5708                                      uint32 member_rid)
5709 {
5710         return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5711 }
5712
5713 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5714                                           TALLOC_CTX *mem_ctx,
5715                                           struct samu *sampass)
5716 {
5717         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5718         LDAPMessage *entry = NULL;
5719         LDAPMessage *result = NULL;
5720         uint32 num_result;
5721         LDAPMod **mods = NULL;
5722         char *filter;
5723         char *escape_username;
5724         char *gidstr;
5725         const char *dn = NULL;
5726         gid_t gid;
5727         int rc;
5728
5729         DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5730
5731         if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5732                 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5733                 return NT_STATUS_UNSUCCESSFUL;
5734         }
5735         gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5736         if (!gidstr) {
5737                 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5738                 return NT_STATUS_NO_MEMORY;
5739         }
5740
5741         escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5742         if (escape_username== NULL) {
5743                 return NT_STATUS_NO_MEMORY;
5744         }
5745
5746         filter = talloc_asprintf(mem_ctx,
5747                                  "(&(uid=%s)"
5748                                  "(objectClass=%s)"
5749                                  "(objectClass=%s))",
5750                                  escape_username,
5751                                  LDAP_OBJ_POSIXACCOUNT,
5752                                  LDAP_OBJ_SAMBASAMACCOUNT);
5753
5754         SAFE_FREE(escape_username);
5755
5756         if (filter == NULL) {
5757                 return NT_STATUS_NO_MEMORY;
5758         }
5759
5760         rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5761         if (rc != LDAP_SUCCESS) {
5762                 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5763                 return NT_STATUS_UNSUCCESSFUL;
5764         }
5765         talloc_autofree_ldapmsg(mem_ctx, result);
5766
5767         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5768
5769         if (num_result == 0) {
5770                 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5771                 return NT_STATUS_NO_SUCH_USER;
5772         }
5773
5774         if (num_result > 1) {
5775                 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5776                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5777         }
5778
5779         entry = ldap_first_entry(priv2ld(ldap_state), result);
5780         if (!entry) {
5781                 return NT_STATUS_UNSUCCESSFUL;
5782         }
5783
5784         /* retrieve the dn for later use */
5785         dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5786         if (!dn) {
5787                 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5788                 return NT_STATUS_NO_MEMORY;
5789         }
5790
5791         /* remove the old one, and add the new one, this way we do not risk races */
5792         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5793
5794         if (mods == NULL) {
5795                 return NT_STATUS_OK;
5796         }
5797
5798         rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5799
5800         if (rc != LDAP_SUCCESS) {
5801                 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5802                          pdb_get_username(sampass), gidstr));
5803                 return NT_STATUS_UNSUCCESSFUL;
5804         }
5805
5806         flush_pwnam_cache();
5807
5808         return NT_STATUS_OK;
5809 }
5810
5811
5812 /**********************************************************************
5813  trusted domains functions
5814  *********************************************************************/
5815
5816 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5817                            const char *domain)
5818 {
5819         return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5820                                ldap_state->domain_dn);
5821 }
5822
5823 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5824                                   const char *domain, LDAPMessage **entry)
5825 {
5826         int rc;
5827         char *filter;
5828         int scope = LDAP_SCOPE_SUBTREE;
5829         const char **attrs = NULL; /* NULL: get all attrs */
5830         int attrsonly = 0; /* 0: return values too */
5831         LDAPMessage *result = NULL;
5832         char *trusted_dn;
5833         uint32 num_result;
5834
5835         filter = talloc_asprintf(talloc_tos(),
5836                                  "(&(objectClass=%s)(sambaDomainName=%s))",
5837                                  LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5838
5839         trusted_dn = trusteddom_dn(ldap_state, domain);
5840         if (trusted_dn == NULL) {
5841                 return False;
5842         }
5843         rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5844                             filter, attrs, attrsonly, &result);
5845
5846         if (rc == LDAP_NO_SUCH_OBJECT) {
5847                 *entry = NULL;
5848                 return True;
5849         }
5850
5851         if (rc != LDAP_SUCCESS) {
5852                 return False;
5853         }
5854
5855         num_result = ldap_count_entries(priv2ld(ldap_state), result);
5856
5857         if (num_result > 1) {
5858                 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5859                           "sambaTrustedDomainPassword object for domain '%s'"
5860                           "?!\n", domain));
5861                 return False;
5862         }
5863
5864         if (num_result == 0) {
5865                 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5866                           "sambaTrustedDomainPassword object for domain %s.\n",
5867                           domain));
5868                 *entry = NULL;
5869         } else {
5870                 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5871         }
5872
5873         return True;
5874 }
5875
5876 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5877                                       const char *domain,
5878                                       char** pwd,
5879                                       DOM_SID *sid,
5880                                       time_t *pass_last_set_time)
5881 {
5882         struct ldapsam_privates *ldap_state =
5883                 (struct ldapsam_privates *)methods->private_data;
5884         LDAPMessage *entry = NULL;
5885
5886         DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5887
5888         if (!get_trusteddom_pw_int(ldap_state, domain, &entry) ||
5889             (entry == NULL))
5890         {
5891                 return False;
5892         }
5893
5894         /* password */
5895         if (pwd != NULL) {
5896                 char *pwd_str;
5897                 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5898                                 entry, "sambaClearTextPassword", talloc_tos());
5899                 if (pwd_str == NULL) {
5900                         return False;
5901                 }
5902                 /* trusteddom_pw routines do not use talloc yet... */
5903                 *pwd = SMB_STRDUP(pwd_str);
5904                 if (*pwd == NULL) {
5905                         return False;
5906                 }
5907         }
5908
5909         /* last change time */
5910         if (pass_last_set_time != NULL) {
5911                 char *time_str;
5912                 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5913                                 entry, "sambaPwdLastSet", talloc_tos());
5914                 if (time_str == NULL) {
5915                         return False;
5916                 }
5917                 *pass_last_set_time = (time_t)atol(time_str);
5918         }
5919
5920         /* domain sid */
5921         if (sid != NULL) {
5922                 char *sid_str;
5923                 DOM_SID *dom_sid;
5924                 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5925                                                           entry, "sambaSID",
5926                                                           talloc_tos());
5927                 if (sid_str == NULL) {
5928                         return False;
5929                 }
5930                 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5931                 if (dom_sid == NULL) {
5932                         return False;
5933                 }
5934                 sid_copy(sid, dom_sid);
5935         }
5936
5937         return True;
5938 }
5939
5940 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5941                                       const char* domain,
5942                                       const char* pwd,
5943                                       const DOM_SID *sid)
5944 {
5945         struct ldapsam_privates *ldap_state =
5946                 (struct ldapsam_privates *)methods->private_data;
5947         LDAPMessage *entry = NULL;
5948         LDAPMod **mods = NULL;
5949         char *prev_pwd = NULL;
5950         char *trusted_dn = NULL;
5951         int rc;
5952
5953         DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5954
5955         /*
5956          * get the current entry (if there is one) in order to put the
5957          * current password into the previous password attribute
5958          */
5959         if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
5960                 return False;
5961         }
5962
5963         mods = NULL;
5964         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5965                          "sambaTrustedDomainPassword");
5966         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5967                          domain);
5968         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5969                          sid_string_tos(sid));
5970         smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5971                          talloc_asprintf(talloc_tos(), "%li", time(NULL)));
5972         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5973                          "sambaClearTextPassword", pwd);
5974         if (entry != NULL) {
5975                 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5976                                 entry, "sambaClearTextPassword", talloc_tos());
5977                 if (prev_pwd != NULL) {
5978                         smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5979                                          "sambaPreviousClearTextPassword",
5980                                          prev_pwd);
5981                 }
5982         }
5983
5984         trusted_dn = trusteddom_dn(ldap_state, domain);
5985         if (trusted_dn == NULL) {
5986                 return False;
5987         }
5988         if (entry == NULL) {
5989                 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5990         } else {
5991                 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5992         }
5993
5994         if (rc != LDAP_SUCCESS) {
5995                 DEBUG(1, ("error writing trusted domain password!\n"));
5996                 return False;
5997         }
5998
5999         return True;
6000 }
6001
6002 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6003                                       const char *domain)
6004 {
6005         int rc;
6006         struct ldapsam_privates *ldap_state =
6007                 (struct ldapsam_privates *)methods->private_data;
6008         LDAPMessage *entry = NULL;
6009         const char *trusted_dn;
6010
6011         if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
6012                 return False;
6013         }
6014
6015         if (entry == NULL) {
6016                 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6017                           "%s\n", domain));
6018                 return True;
6019         }
6020
6021         trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6022                                        entry);
6023         if (trusted_dn == NULL) {
6024                 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6025                 return False;
6026         }
6027
6028         rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6029         if (rc != LDAP_SUCCESS) {
6030                 return False;
6031         }
6032
6033         return True;
6034 }
6035
6036 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6037                                          TALLOC_CTX *mem_ctx,
6038                                          uint32 *num_domains,
6039                                          struct trustdom_info ***domains)
6040 {
6041         int rc;
6042         struct ldapsam_privates *ldap_state =
6043                 (struct ldapsam_privates *)methods->private_data;
6044         char *filter;
6045         int scope = LDAP_SCOPE_SUBTREE;
6046         const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6047         int attrsonly = 0; /* 0: return values too */
6048         LDAPMessage *result = NULL;
6049         LDAPMessage *entry = NULL;
6050
6051         filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6052                                  LDAP_OBJ_TRUSTDOM_PASSWORD);
6053
6054         rc = smbldap_search(ldap_state->smbldap_state,
6055                             ldap_state->domain_dn,
6056                             scope,
6057                             filter,
6058                             attrs,
6059                             attrsonly,
6060                             &result);
6061
6062         if (rc != LDAP_SUCCESS) {
6063                 return NT_STATUS_UNSUCCESSFUL;
6064         }
6065
6066         *num_domains = 0;
6067         if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6068                 DEBUG(1, ("talloc failed\n"));
6069                 return NT_STATUS_NO_MEMORY;
6070         }
6071
6072         for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6073              entry != NULL;
6074              entry = ldap_next_entry(priv2ld(ldap_state), entry))
6075         {
6076                 char *dom_name, *dom_sid_str;
6077                 struct trustdom_info *dom_info;
6078
6079                 dom_info = TALLOC_P(*domains, struct trustdom_info);
6080                 if (dom_info == NULL) {
6081                         DEBUG(1, ("talloc failed\n"));
6082                         return NT_STATUS_NO_MEMORY;
6083                 }
6084
6085                 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6086                                                            entry,
6087                                                            "sambaDomainName",
6088                                                            talloc_tos());
6089                 if (dom_name == NULL) {
6090                         DEBUG(1, ("talloc failed\n"));
6091                         return NT_STATUS_NO_MEMORY;
6092                 }
6093                 dom_info->name = dom_name;
6094
6095                 dom_sid_str = smbldap_talloc_single_attribute(
6096                                         priv2ld(ldap_state), entry, "sambaSID",
6097                                         talloc_tos());
6098                 if (dom_sid_str == NULL) {
6099                         DEBUG(1, ("talloc failed\n"));
6100                         return NT_STATUS_NO_MEMORY;
6101                 }
6102                 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6103                         DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6104                                   dom_sid_str));
6105                         return NT_STATUS_UNSUCCESSFUL;
6106                 }
6107
6108                 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6109                              domains, num_domains);
6110
6111                 if (*domains == NULL) {
6112                         DEBUG(1, ("talloc failed\n"));
6113                         return NT_STATUS_NO_MEMORY;
6114                 }
6115         }
6116
6117         DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6118         return NT_STATUS_OK;
6119 }
6120
6121
6122 /**********************************************************************
6123  Housekeeping
6124  *********************************************************************/
6125
6126 static void free_private_data(void **vp)
6127 {
6128         struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6129
6130         smbldap_free_struct(&(*ldap_state)->smbldap_state);
6131
6132         if ((*ldap_state)->result != NULL) {
6133                 ldap_msgfree((*ldap_state)->result);
6134                 (*ldap_state)->result = NULL;
6135         }
6136         if ((*ldap_state)->domain_dn != NULL) {
6137                 SAFE_FREE((*ldap_state)->domain_dn);
6138         }
6139
6140         *ldap_state = NULL;
6141
6142         /* No need to free any further, as it is talloc()ed */
6143 }
6144
6145 /*********************************************************************
6146  Intitalise the parts of the pdb_methods structure that are common to
6147  all pdb_ldap modes
6148 *********************************************************************/
6149
6150 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6151 {
6152         NTSTATUS nt_status;
6153         struct ldapsam_privates *ldap_state;
6154
6155         if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6156                 return nt_status;
6157         }
6158
6159         (*pdb_method)->name = "ldapsam";
6160
6161         (*pdb_method)->setsampwent = ldapsam_setsampwent;
6162         (*pdb_method)->endsampwent = ldapsam_endsampwent;
6163         (*pdb_method)->getsampwent = ldapsam_getsampwent;
6164         (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6165         (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6166         (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6167         (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6168         (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6169         (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6170
6171         (*pdb_method)->getgrsid = ldapsam_getgrsid;
6172         (*pdb_method)->getgrgid = ldapsam_getgrgid;
6173         (*pdb_method)->getgrnam = ldapsam_getgrnam;
6174         (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6175         (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6176         (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6177         (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6178
6179         (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6180         (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6181
6182         (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6183
6184         (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6185         (*pdb_method)->new_rid = ldapsam_new_rid;
6186
6187         (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6188         (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6189         (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6190         (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6191
6192         /* TODO: Setup private data and free */
6193
6194         if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6195                 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6196                 return NT_STATUS_NO_MEMORY;
6197         }
6198
6199         nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6200                                  location, &ldap_state->smbldap_state);
6201
6202         if ( !NT_STATUS_IS_OK(nt_status) ) {
6203                 return nt_status;
6204         }
6205
6206         if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6207                 return NT_STATUS_NO_MEMORY;
6208         }
6209
6210         (*pdb_method)->private_data = ldap_state;
6211
6212         (*pdb_method)->free_private_data = free_private_data;
6213
6214         return NT_STATUS_OK;
6215 }
6216
6217 /**********************************************************************
6218  Initialise the 'compat' mode for pdb_ldap
6219  *********************************************************************/
6220
6221 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6222 {
6223         NTSTATUS nt_status;
6224         struct ldapsam_privates *ldap_state;
6225         char *uri = talloc_strdup( NULL, location );
6226
6227         trim_char( uri, '\"', '\"' );
6228         nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6229         if ( uri )
6230                 TALLOC_FREE( uri );
6231
6232         if ( !NT_STATUS_IS_OK(nt_status) ) {
6233                 return nt_status;
6234         }
6235
6236         (*pdb_method)->name = "ldapsam_compat";
6237
6238         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6239         ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6240
6241         sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6242
6243         return NT_STATUS_OK;
6244 }
6245
6246 /**********************************************************************
6247  Initialise the normal mode for pdb_ldap
6248  *********************************************************************/
6249
6250 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6251 {
6252         NTSTATUS nt_status;
6253         struct ldapsam_privates *ldap_state = NULL;
6254         uint32 alg_rid_base;
6255         char *alg_rid_base_string = NULL;
6256         LDAPMessage *result = NULL;
6257         LDAPMessage *entry = NULL;
6258         DOM_SID ldap_domain_sid;
6259         DOM_SID secrets_domain_sid;
6260         char *domain_sid_string = NULL;
6261         char *dn = NULL;
6262         char *uri = talloc_strdup( NULL, location );
6263
6264         trim_char( uri, '\"', '\"' );
6265         nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6266         if (uri) {
6267                 TALLOC_FREE(uri);
6268         }
6269
6270         if (!NT_STATUS_IS_OK(nt_status)) {
6271                 return nt_status;
6272         }
6273
6274         (*pdb_method)->name = "ldapsam";
6275
6276         (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6277         (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6278         (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6279         (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6280         (*pdb_method)->search_users = ldapsam_search_users;
6281         (*pdb_method)->search_groups = ldapsam_search_groups;
6282         (*pdb_method)->search_aliases = ldapsam_search_aliases;
6283
6284         if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6285                 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6286                 (*pdb_method)->enum_group_memberships =
6287                         ldapsam_enum_group_memberships;
6288                 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6289                 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6290
6291                 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6292                         (*pdb_method)->create_user = ldapsam_create_user;
6293                         (*pdb_method)->delete_user = ldapsam_delete_user;
6294                         (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6295                         (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6296                         (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6297                         (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6298                         (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6299                 }
6300         }
6301
6302         ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6303         ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6304
6305         /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6306
6307         nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6308                                                &result,
6309                                                ldap_state->domain_name, True);
6310
6311         if ( !NT_STATUS_IS_OK(nt_status) ) {
6312                 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6313                           "info, nor add one to the domain\n"));
6314                 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6315                              "will be unable to allocate new users/groups, "
6316                              "and will risk BDCs having inconsistant SIDs\n"));
6317                 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6318                 return NT_STATUS_OK;
6319         }
6320
6321         /* Given that the above might fail, everything below this must be
6322          * optional */
6323
6324         entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6325                                  result);
6326         if (!entry) {
6327                 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6328                           "entry\n"));
6329                 ldap_msgfree(result);
6330                 return NT_STATUS_UNSUCCESSFUL;
6331         }
6332
6333         dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
6334         if (!dn) {
6335                 ldap_msgfree(result);
6336                 return NT_STATUS_UNSUCCESSFUL;
6337         }
6338
6339         ldap_state->domain_dn = smb_xstrdup(dn);
6340         ldap_memfree(dn);
6341
6342         domain_sid_string = smbldap_talloc_single_attribute(
6343                     ldap_state->smbldap_state->ldap_struct,
6344                     entry,
6345                     get_userattr_key2string(ldap_state->schema_ver,
6346                                             LDAP_ATTR_USER_SID),
6347                     NULL);
6348
6349         if (domain_sid_string) {
6350                 bool found_sid;
6351                 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6352                         DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6353                                   "read as a valid SID\n", domain_sid_string));
6354                         ldap_msgfree(result);
6355                         TALLOC_FREE(domain_sid_string);
6356                         return NT_STATUS_INVALID_PARAMETER;
6357                 }
6358                 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6359                                                      &secrets_domain_sid);
6360                 if (!found_sid || !sid_equal(&secrets_domain_sid,
6361                                              &ldap_domain_sid)) {
6362                         fstring new_sid_str, old_sid_str;
6363                         DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6364                                   "%s based on pdb_ldap results %s -> %s\n",
6365                                   ldap_state->domain_name,
6366                                   sid_to_string(old_sid_str,
6367                                                 &secrets_domain_sid),
6368                                   sid_to_string(new_sid_str,
6369                                                 &ldap_domain_sid)));
6370
6371                         /* reset secrets.tdb sid */
6372                         secrets_store_domain_sid(ldap_state->domain_name,
6373                                                  &ldap_domain_sid);
6374                         DEBUG(1, ("New global sam SID: %s\n",
6375                                   sid_to_string(new_sid_str,
6376                                                 get_global_sam_sid())));
6377                 }
6378                 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6379                 TALLOC_FREE(domain_sid_string);
6380         }
6381
6382         alg_rid_base_string = smbldap_talloc_single_attribute(
6383                     ldap_state->smbldap_state->ldap_struct,
6384                     entry,
6385                     get_attr_key2string( dominfo_attr_list,
6386                                          LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6387                     NULL);
6388         if (alg_rid_base_string) {
6389                 alg_rid_base = (uint32)atol(alg_rid_base_string);
6390                 if (alg_rid_base != algorithmic_rid_base()) {
6391                         DEBUG(0, ("The value of 'algorithmic RID base' has "
6392                                   "changed since the LDAP\n"
6393                                   "database was initialised.  Aborting. \n"));
6394                         ldap_msgfree(result);
6395                         TALLOC_FREE(alg_rid_base_string);
6396                         return NT_STATUS_UNSUCCESSFUL;
6397                 }
6398                 TALLOC_FREE(alg_rid_base_string);
6399         }
6400         ldap_msgfree(result);
6401
6402         return NT_STATUS_OK;
6403 }
6404
6405 NTSTATUS pdb_ldap_init(void)
6406 {
6407         NTSTATUS nt_status;
6408         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6409                 return nt_status;
6410
6411         if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6412                 return nt_status;
6413
6414         /* Let pdb_nds register backends */
6415         pdb_nds_init();
6416
6417         return NT_STATUS_OK;
6418 }