source/passdb/pdb_ldap.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    LDAP protocol helper functions for SAMBA
   4    Copyright (C) Gerald Carter 2001
   5    Copyright (C) Shahms King 2001
   6    Copyright (C) Jean François Micouleau 1998
   7    Copyright (C) Andrew Bartlett 2002
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22
  23 */
  24
  25 #include "includes.h"
  26
  27 #ifdef WITH_LDAP_SAM
  28 /* TODO:
  29 *  persistent connections: if using NSS LDAP, many connections are made
  30 *      however, using only one within Samba would be nice
  31 *
  32 *  Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
  33 *
  34 *  Other LDAP based login attributes: accountExpires, etc.
  35 *  (should be the domain of Samba proper, but the sam_password/SAM_ACCOUNT
  36 *  structures don't have fields for some of these attributes)
  37 *
  38 *  SSL is done, but can't get the certificate based authentication to work
  39 *  against on my test platform (Linux 2.4, OpenLDAP 2.x)
  40 */
  41
  42 /* NOTE: this will NOT work against an Active Directory server
  43 *  due to the fact that the two password fields cannot be retrieved
  44 *  from a server; recommend using security = domain in this situation
  45 *  and/or winbind
  46 */
  47
  48 #include <lber.h>
  49 #include <ldap.h>
  50
  51 #ifndef SAM_ACCOUNT
  52 #define SAM_ACCOUNT struct sam_passwd
  53 #endif
  54
  55 struct ldapsam_privates {
  56
  57         /* Former statics */
  58         LDAP *ldap_struct;
  59         LDAPMessage *result;
  60         LDAPMessage *entry;
  61         int index;
  62
  63         /* retrive-once info */
  64         const char *uri;
  65
  66         BOOL permit_non_unix_accounts;
  67
  68         uint32 low_nua_rid;
  69         uint32 high_nua_rid;
  70 };
  71
  72 static uint32 ldapsam_get_next_available_nua_rid(struct ldapsam_privates *ldap_state);
  73
  74 /*******************************************************************
  75  find the ldap password
  76 ******************************************************************/
  77 static BOOL fetch_ldapsam_pw(char *dn, char* pw, int len)
  78 {
  79         fstring key;
  80         char *p;
  81         void *data = NULL;
  82         size_t size;
  83
  84         pstrcpy(key, dn);
  85         for (p=key; *p; p++)
  86                 if (*p == ',') *p = '/';
  87
  88         data=secrets_fetch(key, &size);
  89         if (!size) {
  90                 DEBUG(0,("fetch_ldap_pw: no ldap secret retrieved!\n"));
  91                 return False;
  92         }
  93
  94         if (size > len-1)
  95         {
  96                 DEBUG(0,("fetch_ldap_pw: ldap secret is too long (%d > %d)!\n", size, len-1));
  97                 return False;
  98         }
  99
 100         memcpy(pw, data, size);
 101         pw[size] = '\0';
 102
 103         return True;
 104 }
 105
 106
 107 /*******************************************************************
 108  open a connection to the ldap server.
 109 ******************************************************************/
 110 static BOOL ldapsam_open_connection (struct ldapsam_privates *ldap_state, LDAP ** ldap_struct)
 111 {
 112
 113         if (geteuid() != 0) {
 114                 DEBUG(0, ("ldap_open_connection: cannot access LDAP when not root..\n"));
 115                 return False;
 116         }
 117
 118 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
 119         DEBUG(10, ("ldapsam_open_connection: %s\n", ldap_state->uri));
 120
 121         if (ldap_initialize(ldap_struct, ldap_state->uri) != LDAP_SUCCESS) {
 122                 DEBUG(0, ("ldap_initialize: %s\n", strerror(errno)));
 123                 return (False);
 124         }
 125 #else
 126
 127         /* Parse the string manually */
 128
 129         {
 130                 int rc;
 131                 int tls = LDAP_OPT_X_TLS_HARD;
 132                 int port = 0;
 133                 int version;
 134                 fstring protocol;
 135                 fstring host;
 136                 const char *p = ldap_state->uri;
 137                 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
 138
 139                 /* skip leading "URL:" (if any) */
 140                 if ( strncasecmp( p, "URL:", 4 ) == 0 ) {
 141                         p += 4;
 142                 }
 143
 144                 sscanf(p, "%10[^:]://%254s[^:]:%d", protocol, host, &port);
 145
 146                 if (port == 0) {
 147                         if (strequal(protocol, "ldap")) {
 148                                 port = LDAP_PORT;
 149                         } else if (strequal(protocol, "ldaps")) {
 150                                 port = LDAPS_PORT;
 151                         } else {
 152                                 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
 153                         }
 154                 }
 155
 156                 if ((*ldap_struct = ldap_init(host, port)) == NULL)     {
 157                         DEBUG(0, ("ldap_init failed !\n"));
 158                         return False;
 159                 }
 160
 161                 /* Connect to older servers using SSL and V2 rather than Start TLS */
 162                 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
 163                 {
 164                         if (version != LDAP_VERSION2)
 165                         {
 166                                 version = LDAP_VERSION2;
 167                                 ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
 168                         }
 169                 }
 170
 171                 if (strequal(protocol, "ldaps")) {
 172                         if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
 173                                 if (ldap_get_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION,
 174                                                      &version) == LDAP_OPT_SUCCESS)
 175                                 {
 176                                         if (version < LDAP_VERSION3)
 177                                         {
 178                                                 version = LDAP_VERSION3;
 179                                                 ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION,
 180                                                                  &version);
 181                                         }
 182                                 }
 183                                 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
 184                                 {
 185                                         DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
 186                                                  ldap_err2string(rc)));
 187                                         return False;
 188                                 }
 189                                 DEBUG (2, ("StartTLS issued: using a TLS connection\n"));
 190                         } else {
 191
 192                                 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
 193                                 {
 194                                         DEBUG(0, ("Failed to setup a TLS session\n"));
 195                                 }
 196                         }
 197                 } else {
 198                         /*
 199                          * No special needs to setup options prior to the LDAP
 200                          * bind (which should be called next via ldap_connect_system()
 201                          */
 202                 }
 203         }
 204 #endif
 205
 206         DEBUG(2, ("ldap_open_connection: connection opened\n"));
 207         return True;
 208 }
 209
 210 /*******************************************************************
 211  connect to the ldap server under system privilege.
 212 ******************************************************************/
 213 static BOOL ldapsam_connect_system(struct ldapsam_privates *ldap_state, LDAP * ldap_struct)
 214 {
 215         int rc;
 216         static BOOL got_pw = False;
 217         static pstring ldap_secret;
 218
 219         /* get the password if we don't have it already */
 220         if (!got_pw && !(got_pw=fetch_ldapsam_pw(lp_ldap_admin_dn(), ldap_secret, sizeof(pstring))))
 221         {
 222                 DEBUG(0, ("ldap_connect_system: Failed to retrieve password for %s from secrets.tdb\n",
 223                         lp_ldap_admin_dn()));
 224                 return False;
 225         }
 226
 227         /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
 228            (OpenLDAP) doesnt' seem to support it */
 229
 230         DEBUG(10,("ldap_connect_system: Binding to ldap server as \"%s\"\n",
 231                 lp_ldap_admin_dn()));
 232
 233         if ((rc = ldap_simple_bind_s(ldap_struct, lp_ldap_admin_dn(),
 234                 ldap_secret)) != LDAP_SUCCESS)
 235         {
 236                 DEBUG(0, ("Bind failed: %s\n", ldap_err2string(rc)));
 237                 return False;
 238         }
 239
 240         DEBUG(2, ("ldap_connect_system: succesful connection to the LDAP server\n"));
 241         return True;
 242 }
 243
 244 /*******************************************************************
 245  run the search by name.
 246 ******************************************************************/
 247 static int ldapsam_search_one_user (struct ldapsam_privates *ldap_state, LDAP * ldap_struct, const char *filter, LDAPMessage ** result)
 248 {
 249         int scope = LDAP_SCOPE_SUBTREE;
 250         int rc;
 251
 252         DEBUG(2, ("ldapsam_search_one_user: searching for:[%s]\n", filter));
 253
 254         rc = ldap_search_s(ldap_struct, lp_ldap_suffix (), scope, filter, NULL, 0, result);
 255
 256         if (rc != LDAP_SUCCESS) {
 257                 DEBUG(0,("ldapsam_search_one_user: Problem during the LDAP search: %s\n",
 258                         ldap_err2string (rc)));
 259                 DEBUG(3,("ldapsam_search_one_user: Query was: %s, %s\n", lp_ldap_suffix(),
 260                         filter));
 261         }
 262
 263         return rc;
 264 }
 265
 266 /*******************************************************************
 267  run the search by name.
 268 ******************************************************************/
 269 static int ldapsam_search_one_user_by_name (struct ldapsam_privates *ldap_state, LDAP * ldap_struct, const char *user,
 270                              LDAPMessage ** result)
 271 {
 272         pstring filter;
 273
 274         /*
 275          * in the filter expression, replace %u with the real name
 276          * so in ldap filter, %u MUST exist :-)
 277          */
 278         pstrcpy(filter, lp_ldap_filter());
 279
 280         /*
 281          * have to use this here because $ is filtered out
 282            * in pstring_sub
 283          */
 284         all_string_sub(filter, "%u", user, sizeof(pstring));
 285
 286         return ldapsam_search_one_user(ldap_state, ldap_struct, filter, result);
 287 }
 288
 289 /*******************************************************************
 290  run the search by uid.
 291 ******************************************************************/
 292 static int ldapsam_search_one_user_by_uid(struct ldapsam_privates *ldap_state,
 293                                           LDAP * ldap_struct, int uid,
 294                                           LDAPMessage ** result)
 295 {
 296         struct passwd *user;
 297         pstring filter;
 298
 299         /* Get the username from the system and look that up in the LDAP */
 300
 301         if ((user = getpwuid_alloc(uid)) == NULL) {
 302                 DEBUG(3,("ldapsam_search_one_user_by_uid: Failed to locate uid [%d]\n", uid));
 303                 return LDAP_NO_SUCH_OBJECT;
 304         }
 305
 306         pstrcpy(filter, lp_ldap_filter());
 307
 308         all_string_sub(filter, "%u", user->pw_name, sizeof(pstring));
 309
 310         passwd_free(&user);
 311
 312         return ldapsam_search_one_user(ldap_state, ldap_struct, filter, result);
 313 }
 314
 315 /*******************************************************************
 316  run the search by rid.
 317 ******************************************************************/
 318 static int ldapsam_search_one_user_by_rid (struct ldapsam_privates *ldap_state,
 319                                            LDAP * ldap_struct, uint32 rid,
 320                                            LDAPMessage ** result)
 321 {
 322         pstring filter;
 323         int rc;
 324
 325         /* check if the user rid exsists, if not, try searching on the uid */
 326
 327         snprintf(filter, sizeof(filter) - 1, "rid=%i", rid);
 328         rc = ldapsam_search_one_user(ldap_state, ldap_struct, filter, result);
 329
 330         if (rc != LDAP_SUCCESS)
 331                 rc = ldapsam_search_one_user_by_uid(ldap_state, ldap_struct,
 332                                                     pdb_user_rid_to_uid(rid),
 333                                                     result);
 334
 335         return rc;
 336 }
 337
 338 /*******************************************************************
 339 search an attribute and return the first value found.
 340 ******************************************************************/
 341 static BOOL get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
 342                                   char *attribute, char *value)
 343 {
 344         char **values;
 345
 346         if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
 347                 value = NULL;
 348                 DEBUG (10, ("get_single_attribute: [%s] = [<does not exist>]\n", attribute));
 349
 350                 return False;
 351         }
 352
 353         pstrcpy(value, values[0]);
 354         ldap_value_free(values);
 355 #ifdef DEBUG_PASSWORDS
 356         DEBUG (100, ("get_single_attribute: [%s] = [%s]\n", attribute, value));
 357 #endif
 358         return True;
 359 }
 360
 361 /************************************************************************
 362 Routine to manage the LDAPMod structure array
 363 manage memory used by the array, by each struct, and values
 364
 365 ************************************************************************/
 366 static void make_a_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
 367 {
 368         LDAPMod **mods;
 369         int i;
 370         int j;
 371
 372         mods = *modlist;
 373
 374         if (attribute == NULL || *attribute == '\0')
 375                 return;
 376
 377         if (value == NULL || *value == '\0')
 378                 return;
 379
 380         if (mods == NULL)
 381         {
 382                 mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
 383                 if (mods == NULL)
 384                 {
 385                         DEBUG(0, ("make_a_mod: out of memory!\n"));
 386                         return;
 387                 }
 388                 mods[0] = NULL;
 389         }
 390
 391         for (i = 0; mods[i] != NULL; ++i) {
 392                 if (mods[i]->mod_op == modop && !strcasecmp(mods[i]->mod_type, attribute))
 393                         break;
 394         }
 395
 396         if (mods[i] == NULL)
 397         {
 398                 mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
 399                 if (mods == NULL)
 400                 {
 401                         DEBUG(0, ("make_a_mod: out of memory!\n"));
 402                         return;
 403                 }
 404                 mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
 405                 if (mods[i] == NULL)
 406                 {
 407                         DEBUG(0, ("make_a_mod: out of memory!\n"));
 408                         return;
 409                 }
 410                 mods[i]->mod_op = modop;
 411                 mods[i]->mod_values = NULL;
 412                 mods[i]->mod_type = strdup(attribute);
 413                 mods[i + 1] = NULL;
 414         }
 415
 416         if (value != NULL)
 417         {
 418                 j = 0;
 419                 if (mods[i]->mod_values != NULL) {
 420                         for (; mods[i]->mod_values[j] != NULL; j++);
 421                 }
 422                 mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
 423                                                (j + 2) * sizeof (char *));
 424
 425                 if (mods[i]->mod_values == NULL) {
 426                         DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
 427                         return;
 428                 }
 429                 mods[i]->mod_values[j] = strdup(value);
 430                 mods[i]->mod_values[j + 1] = NULL;
 431         }
 432         *modlist = mods;
 433 }
 434
 435 /* New Interface is being implemented here */
 436
 437 /**********************************************************************
 438 Initialize SAM_ACCOUNT from an LDAP query
 439 (Based on init_sam_from_buffer in pdb_tdb.c)
 440 *********************************************************************/
 441 static BOOL init_sam_from_ldap (struct ldapsam_privates *ldap_state,
 442                                 SAM_ACCOUNT * sampass,
 443                                 LDAP * ldap_struct, LDAPMessage * entry)
 444 {
 445         time_t  logon_time,
 446                         logoff_time,
 447                         kickoff_time,
 448                         pass_last_set_time,
 449                         pass_can_change_time,
 450                         pass_must_change_time;
 451         pstring         username,
 452                         domain,
 453                         nt_username,
 454                         fullname,
 455                         homedir,
 456                         dir_drive,
 457                         logon_script,
 458                         profile_path,
 459                         acct_desc,
 460                         munged_dial,
 461                         workstations;
 462         struct passwd   *pw;
 463         uint32          user_rid,
 464                         group_rid;
 465         uint8           smblmpwd[16],
 466                         smbntpwd[16];
 467         uint16          acct_ctrl,
 468                         logon_divs;
 469         uint32 hours_len;
 470         uint8           hours[MAX_HOURS_LEN];
 471         pstring temp;
 472         uid_t           uid = -1;
 473         gid_t           gid = getegid();
 474
 475
 476         /*
 477          * do a little initialization
 478          */
 479         username[0]     = '\0';
 480         domain[0]       = '\0';
 481         nt_username[0]  = '\0';
 482         fullname[0]     = '\0';
 483         homedir[0]      = '\0';
 484         dir_drive[0]    = '\0';
 485         logon_script[0] = '\0';
 486         profile_path[0] = '\0';
 487         acct_desc[0]    = '\0';
 488         munged_dial[0]  = '\0';
 489         workstations[0] = '\0';
 490
 491
 492         if (sampass == NULL || ldap_struct == NULL || entry == NULL) {
 493                 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
 494                 return False;
 495         }
 496
 497         get_single_attribute(ldap_struct, entry, "uid", username);
 498         DEBUG(2, ("Entry found for user: %s\n", username));
 499
 500         pstrcpy(nt_username, username);
 501
 502         pstrcpy(domain, lp_workgroup());
 503
 504         get_single_attribute(ldap_struct, entry, "rid", temp);
 505         user_rid = (uint32)atol(temp);
 506         if (!get_single_attribute(ldap_struct, entry, "primaryGroupID", temp)) {
 507                 group_rid = 0;
 508         } else {
 509                 group_rid = (uint32)atol(temp);
 510         }
 511
 512         if ((ldap_state->permit_non_unix_accounts)
 513             && (user_rid >= ldap_state->low_nua_rid)
 514             && (user_rid <= ldap_state->high_nua_rid)) {
 515
 516         } else {
 517
 518                 /* These values MAY be in LDAP, but they can also be retrieved through
 519                  *  sys_getpw*() which is how we're doing it
 520                  */
 521
 522                 pw = getpwnam_alloc(username);
 523                 if (pw == NULL) {
 524                         DEBUG (2,("init_sam_from_ldap: User [%s] does not ave a uid!\n", username));
 525                         return False;
 526                 }
 527                 uid = pw->pw_uid;
 528                 gid = pw->pw_gid;
 529
 530                 passwd_free(&pw);
 531
 532                 pdb_set_uid(sampass, uid);
 533                 pdb_set_gid(sampass, gid);
 534
 535                 if (group_rid == 0) {
 536                         GROUP_MAP map;
 537                         /* call the mapping code here */
 538                         if(get_group_map_from_gid(gid, &map, MAPPING_WITHOUT_PRIV)) {
 539                                 sid_peek_rid(&map.sid, &group_rid);
 540                         }
 541                         else {
 542                                 group_rid=pdb_gid_to_group_rid(gid);
 543                         }
 544                 }
 545         }
 546
 547         get_single_attribute(ldap_struct, entry, "pwdLastSet", temp);
 548         pass_last_set_time = (time_t) atol(temp);
 549
 550         if (!get_single_attribute(ldap_struct, entry, "logonTime", temp)) {
 551                 logon_time = (time_t) atol(temp);
 552                 pdb_set_logon_time(sampass, logon_time, True);
 553         }
 554
 555         if (!get_single_attribute(ldap_struct, entry, "logoffTime", temp)) {
 556                 logoff_time = (time_t) atol(temp);
 557                 pdb_set_logoff_time(sampass, logoff_time, True);
 558         }
 559
 560         if (!get_single_attribute(ldap_struct, entry, "kickoffTime", temp)) {
 561                 kickoff_time = (time_t) atol(temp);
 562                 pdb_set_kickoff_time(sampass, kickoff_time, True);
 563         }
 564
 565         if (!get_single_attribute(ldap_struct, entry, "pwdCanChange", temp)) {
 566                 pass_can_change_time = (time_t) atol(temp);
 567                 pdb_set_pass_can_change_time(sampass, pass_can_change_time, True);
 568         }
 569
 570         if (!get_single_attribute(ldap_struct, entry, "pwdMustChange", temp)) {
 571                 pass_must_change_time = (time_t) atol(temp);
 572                 pdb_set_pass_must_change_time(sampass, pass_must_change_time, True);
 573         }
 574
 575         /* recommend that 'gecos' and 'displayName' should refer to the same
 576          * attribute OID.  userFullName depreciated, only used by Samba
 577          * primary rules of LDAP: don't make a new attribute when one is already defined
 578          * that fits your needs; using cn then displayName rather than 'userFullName'
 579          */
 580
 581         if (!get_single_attribute(ldap_struct, entry, "cn", fullname)) {
 582                 get_single_attribute(ldap_struct, entry, "displayName", fullname);
 583         }
 584
 585
 586         if (!get_single_attribute(ldap_struct, entry, "homeDrive", dir_drive)) {
 587                 pstrcpy(dir_drive, lp_logon_drive());
 588                 standard_sub_advanced(-1, username, "", gid, username, dir_drive);
 589                 DEBUG(5,("homeDrive fell back to %s\n",dir_drive));
 590                 pdb_set_dir_drive(sampass, dir_drive, False);
 591         }
 592         else
 593                 pdb_set_dir_drive(sampass, dir_drive, True);
 594
 595         if (!get_single_attribute(ldap_struct, entry, "smbHome", homedir)) {
 596                 pstrcpy(homedir, lp_logon_home());
 597                 standard_sub_advanced(-1, username, "", gid, username, homedir);
 598                 DEBUG(5,("smbHome fell back to %s\n",homedir));
 599                 pdb_set_homedir(sampass, homedir, False);
 600         }
 601         else
 602                 pdb_set_homedir(sampass, homedir, True);
 603
 604         if (!get_single_attribute(ldap_struct, entry, "scriptPath", logon_script)) {
 605                 pstrcpy(logon_script, lp_logon_script());
 606                 standard_sub_advanced(-1, username, "", gid, username, logon_script);
 607                 DEBUG(5,("scriptPath fell back to %s\n",logon_script));
 608                 pdb_set_logon_script(sampass, logon_script, False);
 609         }
 610         else
 611                 pdb_set_logon_script(sampass, logon_script, True);
 612
 613         if (!get_single_attribute(ldap_struct, entry, "profilePath", profile_path)) {
 614                 pstrcpy(profile_path, lp_logon_path());
 615                 standard_sub_advanced(-1, username, "", gid, username, profile_path);
 616                 DEBUG(5,("profilePath fell back to %s\n",profile_path));
 617                 pdb_set_profile_path(sampass, profile_path, False);
 618         }
 619         else
 620                 pdb_set_profile_path(sampass, profile_path, True);
 621
 622         get_single_attribute(ldap_struct, entry, "description", acct_desc);
 623         get_single_attribute(ldap_struct, entry, "userWorkstations", workstations);
 624         /* FIXME: hours stuff should be cleaner */
 625
 626         logon_divs = 168;
 627         hours_len = 21;
 628         memset(hours, 0xff, hours_len);
 629
 630         get_single_attribute (ldap_struct, entry, "lmPassword", temp);
 631         pdb_gethexpwd(temp, smblmpwd);
 632         memset((char *)temp, '\0', sizeof(temp));
 633         get_single_attribute (ldap_struct, entry, "ntPassword", temp);
 634         pdb_gethexpwd(temp, smbntpwd);
 635         memset((char *)temp, '\0', sizeof(temp));
 636         get_single_attribute (ldap_struct, entry, "acctFlags", temp);
 637         acct_ctrl = pdb_decode_acct_ctrl(temp);
 638
 639         if (acct_ctrl == 0)
 640                 acct_ctrl |= ACB_NORMAL;
 641
 642         pdb_set_acct_ctrl(sampass, acct_ctrl);
 643         pdb_set_pass_last_set_time(sampass, pass_last_set_time);
 644
 645         pdb_set_hours_len(sampass, hours_len);
 646         pdb_set_logon_divs(sampass, logon_divs);
 647
 648         pdb_set_user_rid(sampass, user_rid);
 649         pdb_set_group_rid(sampass, group_rid);
 650
 651         pdb_set_username(sampass, username);
 652
 653         pdb_set_domain(sampass, domain);
 654         pdb_set_nt_username(sampass, nt_username);
 655
 656         pdb_set_fullname(sampass, fullname);
 657
 658         pdb_set_acct_desc(sampass, acct_desc);
 659         pdb_set_workstations(sampass, workstations);
 660         pdb_set_munged_dial(sampass, munged_dial);
 661
 662         if (!pdb_set_nt_passwd(sampass, smbntpwd))
 663                 return False;
 664         if (!pdb_set_lanman_passwd(sampass, smblmpwd))
 665                 return False;
 666
 667         /* pdb_set_unknown_3(sampass, unknown3); */
 668         /* pdb_set_unknown_5(sampass, unknown5); */
 669         /* pdb_set_unknown_6(sampass, unknown6); */
 670
 671         pdb_set_hours(sampass, hours);
 672
 673         return True;
 674 }
 675
 676 /**********************************************************************
 677 Initialize SAM_ACCOUNT from an LDAP query
 678 (Based on init_buffer_from_sam in pdb_tdb.c)
 679 *********************************************************************/
 680 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
 681                                 LDAPMod *** mods, int ldap_op,
 682                                 const SAM_ACCOUNT * sampass)
 683 {
 684         pstring temp;
 685         uint32 rid;
 686
 687         if (mods == NULL || sampass == NULL) {
 688                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
 689                 return False;
 690         }
 691
 692         *mods = NULL;
 693
 694         /*
 695          * took out adding "objectclass: sambaAccount"
 696          * do this on a per-mod basis
 697          */
 698
 699         make_a_mod(mods, ldap_op, "uid", pdb_get_username(sampass));
 700         DEBUG(2, ("Setting entry for user: %s\n", pdb_get_username(sampass)));
 701
 702         if ( pdb_get_user_rid(sampass) ) {
 703                 rid = pdb_get_user_rid(sampass);
 704         } else if (IS_SAM_SET(sampass, FLAG_SAM_UID)) {
 705                 rid = pdb_uid_to_user_rid(pdb_get_uid(sampass));
 706         } else if (ldap_state->permit_non_unix_accounts) {
 707                 rid = ldapsam_get_next_available_nua_rid(ldap_state);
 708                 if (rid == 0) {
 709                         DEBUG(0, ("NO user RID specified on account %s, and findining next available NUA RID failed, cannot store!\n", pdb_get_username(sampass)));
 710                         return False;
 711                 }
 712         } else {
 713                 DEBUG(0, ("NO user RID specified on account %s, cannot store!\n", pdb_get_username(sampass)));
 714                 return False;
 715         }
 716
 717         slprintf(temp, sizeof(temp) - 1, "%i", rid);
 718         make_a_mod(mods, ldap_op, "rid", temp);
 719
 720         if ( pdb_get_group_rid(sampass) ) {
 721                 rid = pdb_get_group_rid(sampass);
 722         } else if (IS_SAM_SET(sampass, FLAG_SAM_GID)) {
 723                 rid = pdb_gid_to_group_rid(pdb_get_gid(sampass));
 724         } else if (ldap_state->permit_non_unix_accounts) {
 725                 rid = DOMAIN_GROUP_RID_USERS;
 726         } else {
 727                 DEBUG(0, ("NO group RID specified on account %s, cannot store!\n", pdb_get_username(sampass)));
 728                 return False;
 729         }
 730
 731         slprintf(temp, sizeof(temp) - 1, "%i", rid);
 732         make_a_mod(mods, ldap_op, "primaryGroupID", temp);
 733
 734         slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
 735         make_a_mod(mods, ldap_op, "pwdLastSet", temp);
 736
 737         /* displayName, cn, and gecos should all be the same
 738            *  most easily accomplished by giving them the same OID
 739            *  gecos isn't set here b/c it should be handled by the
 740            *  add-user script
 741          */
 742
 743         make_a_mod(mods, ldap_op, "displayName", pdb_get_fullname(sampass));
 744         make_a_mod(mods, ldap_op, "cn", pdb_get_fullname(sampass));
 745         make_a_mod(mods, ldap_op, "description", pdb_get_acct_desc(sampass));
 746         make_a_mod(mods, ldap_op, "userWorkstations", pdb_get_workstations(sampass));
 747
 748         /*
 749          * Only updates fields which have been set (not defaults from smb.conf)
 750          */
 751
 752         if (IS_SAM_SET(sampass, FLAG_SAM_SMBHOME))
 753                 make_a_mod(mods, ldap_op, "smbHome", pdb_get_homedir(sampass));
 754
 755         if (IS_SAM_SET(sampass, FLAG_SAM_DRIVE))
 756                 make_a_mod(mods, ldap_op, "homeDrive", pdb_get_dirdrive(sampass));
 757
 758         if (IS_SAM_SET(sampass, FLAG_SAM_LOGONSCRIPT))
 759                 make_a_mod(mods, ldap_op, "scriptPath", pdb_get_logon_script(sampass));
 760
 761         if (IS_SAM_SET(sampass, FLAG_SAM_PROFILE))
 762                 make_a_mod(mods, ldap_op, "profilePath", pdb_get_profile_path(sampass));
 763
 764         if (IS_SAM_SET(sampass, FLAG_SAM_LOGONTIME)) {
 765                 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
 766                 make_a_mod(mods, ldap_op, "logonTime", temp);
 767         }
 768
 769         if (IS_SAM_SET(sampass, FLAG_SAM_LOGOFFTIME)) {
 770                 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
 771                 make_a_mod(mods, ldap_op, "logoffTime", temp);
 772         }
 773
 774         if (IS_SAM_SET(sampass, FLAG_SAM_KICKOFFTIME)) {
 775                 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
 776                 make_a_mod(mods, ldap_op, "kickoffTime", temp);
 777         }
 778
 779         if (IS_SAM_SET(sampass, FLAG_SAM_CANCHANGETIME)) {
 780                 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
 781                 make_a_mod(mods, ldap_op, "pwdCanChange", temp);
 782         }
 783
 784         if (IS_SAM_SET(sampass, FLAG_SAM_MUSTCHANGETIME)) {
 785                 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
 786                 make_a_mod(mods, ldap_op, "pwdMustChange", temp);
 787         }
 788
 789         /* FIXME: Hours stuff goes in LDAP  */
 790         pdb_sethexpwd (temp, pdb_get_lanman_passwd(sampass), pdb_get_acct_ctrl(sampass));
 791         make_a_mod (mods, ldap_op, "lmPassword", temp);
 792
 793         pdb_sethexpwd (temp, pdb_get_nt_passwd(sampass), pdb_get_acct_ctrl(sampass));
 794         make_a_mod (mods, ldap_op, "ntPassword", temp);
 795
 796         make_a_mod (mods, ldap_op, "acctFlags", pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass),
 797                 NEW_PW_FORMAT_SPACE_PADDED_LEN));
 798
 799         return True;
 800 }
 801
 802
 803 /**********************************************************************
 804 Connect to LDAP server and find the next available RID.
 805 *********************************************************************/
 806 static uint32 check_nua_rid_is_avail(struct ldapsam_privates *ldap_state, uint32 top_rid, LDAP *ldap_struct)
 807 {
 808         LDAPMessage *result;
 809         uint32 final_rid = (top_rid & (~USER_RID_TYPE)) + RID_MULTIPLIER;
 810         if (top_rid == 0) {
 811                 return 0;
 812         }
 813
 814         if (final_rid < ldap_state->low_nua_rid || final_rid > ldap_state->high_nua_rid) {
 815                 return 0;
 816         }
 817
 818         if (ldapsam_search_one_user_by_rid(ldap_state, ldap_struct, final_rid, &result) != LDAP_SUCCESS) {
 819                 DEBUG(0, ("Cannot allocate NUA RID %d (0x%x), as the confirmation search failed!\n", final_rid, final_rid));
 820                 final_rid = 0;
 821                 ldap_msgfree(result);
 822         }
 823
 824         if (ldap_count_entries(ldap_struct, result) != 0)
 825         {
 826                 DEBUG(0, ("Cannot allocate NUA RID %d (0x%x), as the RID is already in use!!\n", final_rid, final_rid));
 827                 final_rid = 0;
 828                 ldap_msgfree(result);
 829         }
 830
 831         DEBUG(5, ("NUA RID %d (0x%x), declared valid\n", final_rid, final_rid));
 832         return final_rid;
 833 }
 834
 835 /**********************************************************************
 836 Extract the RID from an LDAP entry
 837 *********************************************************************/
 838 static uint32 entry_to_user_rid(struct ldapsam_privates *ldap_state, LDAPMessage *entry, LDAP *ldap_struct) {
 839         uint32 rid;
 840         SAM_ACCOUNT *user = NULL;
 841         if (!NT_STATUS_IS_OK(pdb_init_sam(&user))) {
 842                 return 0;
 843         }
 844
 845         if (init_sam_from_ldap(ldap_state, user, ldap_struct, entry)) {
 846                 rid = pdb_get_user_rid(user);
 847         } else {
 848                 rid =0;
 849         }
 850         pdb_free_sam(&user);
 851         if (rid >= ldap_state->low_nua_rid && rid <= ldap_state->high_nua_rid) {
 852                 return rid;
 853         }
 854         return 0;
 855 }
 856
 857
 858 /**********************************************************************
 859 Connect to LDAP server and find the next available RID.
 860 *********************************************************************/
 861 static uint32 search_top_nua_rid(struct ldapsam_privates *ldap_state, LDAP *ldap_struct)
 862 {
 863         int rc;
 864         pstring filter;
 865         LDAPMessage *result;
 866         LDAPMessage *entry;
 867         char *final_filter = NULL;
 868         uint32 top_rid = 0;
 869         uint32 count;
 870         uint32 rid;
 871
 872         pstrcpy(filter, lp_ldap_filter());
 873         all_string_sub(filter, "%u", "*", sizeof(pstring));
 874
 875 #if 0
 876         asprintf(&final_filter, "(&(%s)(&(rid>=%d)(rid<=%d)))", filter, ldap_state->low_nua_rid, ldap_state->high_nua_rid);
 877 #else
 878         final_filter = strdup(filter);
 879 #endif
 880         DEBUG(2, ("ldapsam_get_next_available_nua_rid: searching for:[%s]\n", final_filter));
 881
 882         rc = ldap_search_s(ldap_struct, lp_ldap_suffix(),
 883                            LDAP_SCOPE_SUBTREE, final_filter, NULL, 0,
 884                            &result);
 885
 886         if (rc != LDAP_SUCCESS)
 887         {
 888
 889                 DEBUG(3, ("LDAP search failed! cannot find base for NUA RIDs: %s\n", ldap_err2string(rc)));
 890                 DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), final_filter));
 891
 892                 free(final_filter);
 893                 ldap_msgfree(result);
 894                 result = NULL;
 895                 return 0;
 896         }
 897
 898         count = ldap_count_entries(ldap_struct, result);
 899         DEBUG(2, ("search_top_nua_rid: %d entries in the base!\n", count));
 900
 901         if (count == 0) {
 902                 DEBUG(3, ("LDAP search returned no records, assuming no non-unix-accounts present!: %s\n", ldap_err2string(rc)));
 903                 DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), final_filter));
 904                 free(final_filter);
 905                 ldap_msgfree(result);
 906                 result = NULL;
 907                 return ldap_state->low_nua_rid;
 908         }
 909
 910         free(final_filter);
 911         entry = ldap_first_entry(ldap_struct,result);
 912
 913         top_rid = entry_to_user_rid(ldap_state, entry, ldap_struct);
 914
 915         while ((entry = ldap_next_entry(ldap_struct, entry))) {
 916
 917                 rid = entry_to_user_rid(ldap_state, entry, ldap_struct);
 918                 if (rid > top_rid) {
 919                         top_rid = rid;
 920                 }
 921         }
 922
 923         ldap_msgfree(result);
 924         return top_rid;
 925 }
 926
 927 /**********************************************************************
 928 Connect to LDAP server and find the next available RID.
 929 *********************************************************************/
 930 static uint32 ldapsam_get_next_available_nua_rid(struct ldapsam_privates *ldap_state) {
 931         LDAP *ldap_struct;
 932         uint32 next_nua_rid;
 933         uint32 top_nua_rid;
 934
 935         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
 936         {
 937                 return 0;
 938         }
 939         if (!ldapsam_connect_system(ldap_state, ldap_struct))
 940         {
 941                 ldap_unbind(ldap_struct);
 942                 return 0;
 943         }
 944
 945         top_nua_rid = search_top_nua_rid(ldap_state, ldap_struct);
 946
 947         next_nua_rid = check_nua_rid_is_avail(ldap_state,
 948                                               top_nua_rid, ldap_struct);
 949
 950         ldap_unbind(ldap_struct);
 951         return next_nua_rid;
 952 }
 953
 954 /**********************************************************************
 955 Connect to LDAP server for password enumeration
 956 *********************************************************************/
 957 static BOOL ldapsam_setsampwent(struct pdb_context *context, BOOL update)
 958 {
 959         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
 960         int rc;
 961         pstring filter;
 962
 963         if (!ldapsam_open_connection(ldap_state, &ldap_state->ldap_struct))
 964         {
 965                 return False;
 966         }
 967         if (!ldapsam_connect_system(ldap_state, ldap_state->ldap_struct))
 968         {
 969                 ldap_unbind(ldap_state->ldap_struct);
 970                 return False;
 971         }
 972
 973         pstrcpy(filter, lp_ldap_filter());
 974         all_string_sub(filter, "%u", "*", sizeof(pstring));
 975
 976         rc = ldap_search_s(ldap_state->ldap_struct, lp_ldap_suffix(),
 977                            LDAP_SCOPE_SUBTREE, filter, NULL, 0,
 978                            &ldap_state->result);
 979
 980         if (rc != LDAP_SUCCESS)
 981         {
 982                 DEBUG(0, ("LDAP search failed: %s\n", ldap_err2string(rc)));
 983                 DEBUG(3, ("Query was: %s, %s\n", lp_ldap_suffix(), filter));
 984                 ldap_msgfree(ldap_state->result);
 985                 ldap_unbind(ldap_state->ldap_struct);
 986                 ldap_state->ldap_struct = NULL;
 987                 ldap_state->result = NULL;
 988                 return False;
 989         }
 990
 991         DEBUG(2, ("ldapsam_setsampwent: %d entries in the base!\n",
 992                 ldap_count_entries(ldap_state->ldap_struct,
 993                 ldap_state->result)));
 994
 995         ldap_state->entry = ldap_first_entry(ldap_state->ldap_struct,
 996                                  ldap_state->result);
 997         ldap_state->index = 0;
 998
 999         return True;
1000 }
1001
1002 /**********************************************************************
1003 End enumeration of the LDAP password list
1004 *********************************************************************/
1005 static void ldapsam_endsampwent(struct pdb_context *context)
1006 {
1007         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
1008         if (ldap_state->ldap_struct && ldap_state->result)
1009         {
1010                 ldap_msgfree(ldap_state->result);
1011                 ldap_unbind(ldap_state->ldap_struct);
1012                 ldap_state->ldap_struct = NULL;
1013                 ldap_state->result = NULL;
1014         }
1015 }
1016
1017 /**********************************************************************
1018 Get the next entry in the LDAP password database
1019 *********************************************************************/
1020 static BOOL ldapsam_getsampwent(struct pdb_context *context, SAM_ACCOUNT * user)
1021 {
1022         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
1023         BOOL ret = False;
1024
1025         while (!ret) {
1026                 if (!ldap_state->entry)
1027                         return False;
1028
1029                 ldap_state->index++;
1030                 ret = init_sam_from_ldap(ldap_state, user, ldap_state->ldap_struct,
1031                                          ldap_state->entry);
1032
1033                 ldap_state->entry = ldap_next_entry(ldap_state->ldap_struct,
1034                                             ldap_state->entry);
1035
1036         }
1037
1038         return True;
1039 }
1040
1041 /**********************************************************************
1042 Get SAM_ACCOUNT entry from LDAP by username
1043 *********************************************************************/
1044 static BOOL ldapsam_getsampwnam(struct pdb_context *context, SAM_ACCOUNT * user, const char *sname)
1045 {
1046         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
1047         LDAP *ldap_struct;
1048         LDAPMessage *result;
1049         LDAPMessage *entry;
1050
1051         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
1052                 return False;
1053         if (!ldapsam_connect_system(ldap_state, ldap_struct))
1054         {
1055                 ldap_unbind(ldap_struct);
1056                 return False;
1057         }
1058         if (ldapsam_search_one_user_by_name(ldap_state, ldap_struct, sname, &result) != LDAP_SUCCESS)
1059         {
1060                 ldap_unbind(ldap_struct);
1061                 return False;
1062         }
1063         if (ldap_count_entries(ldap_struct, result) < 1)
1064         {
1065                 DEBUG(4,
1066                       ("We don't find this user [%s] count=%d\n", sname,
1067                        ldap_count_entries(ldap_struct, result)));
1068                 ldap_unbind(ldap_struct);
1069                 return False;
1070         }
1071         entry = ldap_first_entry(ldap_struct, result);
1072         if (entry)
1073         {
1074                 if (!init_sam_from_ldap(ldap_state, user, ldap_struct, entry)) {
1075                         DEBUG(0,("ldapsam_getsampwnam: init_sam_from_ldap failed!\n"));
1076                         ldap_msgfree(result);
1077                         ldap_unbind(ldap_struct);
1078                         return False;
1079                 }
1080                 ldap_msgfree(result);
1081                 ldap_unbind(ldap_struct);
1082                 return True;
1083         }
1084         else
1085         {
1086                 ldap_msgfree(result);
1087                 ldap_unbind(ldap_struct);
1088                 return False;
1089         }
1090 }
1091
1092 /**********************************************************************
1093 Get SAM_ACCOUNT entry from LDAP by rid
1094 *********************************************************************/
1095 static BOOL ldapsam_getsampwrid(struct pdb_context *context, SAM_ACCOUNT * user, uint32 rid)
1096 {
1097         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
1098         LDAP *ldap_struct;
1099         LDAPMessage *result;
1100         LDAPMessage *entry;
1101
1102         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
1103                 return False;
1104
1105         if (!ldapsam_connect_system(ldap_state, ldap_struct))
1106         {
1107                 ldap_unbind(ldap_struct);
1108                 return False;
1109         }
1110         if (ldapsam_search_one_user_by_rid(ldap_state, ldap_struct, rid, &result) !=
1111             LDAP_SUCCESS)
1112         {
1113                 ldap_unbind(ldap_struct);
1114                 return False;
1115         }
1116
1117         if (ldap_count_entries(ldap_struct, result) < 1)
1118         {
1119                 DEBUG(0,
1120                       ("We don't find this rid [%i] count=%d\n", rid,
1121                        ldap_count_entries(ldap_struct, result)));
1122                 ldap_unbind(ldap_struct);
1123                 return False;
1124         }
1125
1126         entry = ldap_first_entry(ldap_struct, result);
1127         if (entry)
1128         {
1129                 if (!init_sam_from_ldap(ldap_state, user, ldap_struct, entry)) {
1130                         DEBUG(0,("ldapsam_getsampwrid: init_sam_from_ldap failed!\n"));
1131                         ldap_msgfree(result);
1132                         ldap_unbind(ldap_struct);
1133                         return False;
1134                 }
1135                 ldap_msgfree(result);
1136                 ldap_unbind(ldap_struct);
1137                 return True;
1138         }
1139         else
1140         {
1141                 ldap_msgfree(result);
1142                 ldap_unbind(ldap_struct);
1143                 return False;
1144         }
1145 }
1146
1147 /**********************************************************************
1148 Delete entry from LDAP for username
1149 *********************************************************************/
1150 static BOOL ldapsam_delete_sam_account(struct pdb_context *context, const SAM_ACCOUNT * sam_acct)
1151 {
1152         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
1153         const char *sname;
1154         int rc;
1155         char *dn;
1156         LDAP *ldap_struct;
1157         LDAPMessage *entry;
1158         LDAPMessage *result;
1159
1160         if (!sam_acct) {
1161                 DEBUG(0, ("sam_acct was NULL!\n"));
1162                 return False;
1163         }
1164
1165         sname = pdb_get_username(sam_acct);
1166
1167         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
1168                 return False;
1169
1170         DEBUG (3, ("Deleting user %s from LDAP.\n", sname));
1171
1172         if (!ldapsam_connect_system(ldap_state, ldap_struct)) {
1173                 ldap_unbind (ldap_struct);
1174                 DEBUG(0, ("Failed to delete user %s from LDAP.\n", sname));
1175                 return False;
1176         }
1177
1178         rc = ldapsam_search_one_user_by_name(ldap_state, ldap_struct, sname, &result);
1179         if (ldap_count_entries (ldap_struct, result) == 0) {
1180                 DEBUG (0, ("User doesn't exit!\n"));
1181                 ldap_msgfree (result);
1182                 ldap_unbind (ldap_struct);
1183                 return False;
1184         }
1185
1186         entry = ldap_first_entry (ldap_struct, result);
1187         dn = ldap_get_dn (ldap_struct, entry);
1188
1189         rc = ldap_delete_s (ldap_struct, dn);
1190
1191         ldap_memfree (dn);
1192         if (rc != LDAP_SUCCESS) {
1193                 char *ld_error;
1194                 ldap_get_option (ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1195                 DEBUG (0,("failed to delete user with uid = %s with: %s\n\t%s\n",
1196                         sname, ldap_err2string (rc), ld_error));
1197                 free (ld_error);
1198                 ldap_unbind (ldap_struct);
1199                 return False;
1200         }
1201
1202         DEBUG (2,("successfully deleted uid = %s from the LDAP database\n", sname));
1203         ldap_unbind (ldap_struct);
1204         return True;
1205 }
1206
1207 /**********************************************************************
1208 Update SAM_ACCOUNT
1209 *********************************************************************/
1210 static BOOL ldapsam_update_sam_account(struct pdb_context *context, const SAM_ACCOUNT * newpwd)
1211 {
1212         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
1213         int rc;
1214         char *dn;
1215         LDAP *ldap_struct;
1216         LDAPMessage *result;
1217         LDAPMessage *entry;
1218         LDAPMod **mods;
1219
1220         if (!ldapsam_open_connection(ldap_state, &ldap_struct)) /* open a connection to the server */
1221                 return False;
1222
1223         if (!ldapsam_connect_system(ldap_state, ldap_struct))   /* connect as system account */
1224         {
1225                 ldap_unbind(ldap_struct);
1226                 return False;
1227         }
1228
1229         rc = ldapsam_search_one_user_by_name(ldap_state, ldap_struct,
1230                                              pdb_get_username(newpwd), &result);
1231
1232         if (ldap_count_entries(ldap_struct, result) == 0)
1233         {
1234                 DEBUG(0, ("No user to modify!\n"));
1235                 ldap_msgfree(result);
1236                 ldap_unbind(ldap_struct);
1237                 return False;
1238         }
1239
1240         if (!init_ldap_from_sam(ldap_state, &mods, LDAP_MOD_REPLACE, newpwd)) {
1241                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1242                 ldap_msgfree(result);
1243                 ldap_unbind(ldap_struct);
1244                 return False;
1245         }
1246
1247         entry = ldap_first_entry(ldap_struct, result);
1248         dn = ldap_get_dn(ldap_struct, entry);
1249
1250         rc = ldap_modify_s(ldap_struct, dn, mods);
1251
1252         if (rc != LDAP_SUCCESS)
1253         {
1254                 char *ld_error;
1255                 ldap_get_option(ldap_struct, LDAP_OPT_ERROR_STRING,
1256                                 &ld_error);
1257                 DEBUG(0,
1258                       ("failed to modify user with uid = %s with: %s\n\t%s\n",
1259                        pdb_get_username(newpwd), ldap_err2string(rc),
1260                        ld_error));
1261                 free(ld_error);
1262                 ldap_unbind(ldap_struct);
1263                 return False;
1264         }
1265
1266         DEBUG(2,
1267               ("successfully modified uid = %s in the LDAP database\n",
1268                pdb_get_username(newpwd)));
1269         ldap_mods_free(mods, 1);
1270         ldap_unbind(ldap_struct);
1271         return True;
1272 }
1273
1274 /**********************************************************************
1275 Add SAM_ACCOUNT to LDAP
1276 *********************************************************************/
1277 static BOOL ldapsam_add_sam_account(struct pdb_context *context, const SAM_ACCOUNT * newpwd)
1278 {
1279         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)context->pdb_selected->private_data;
1280         int rc;
1281         pstring filter;
1282         LDAP *ldap_struct = NULL;
1283         LDAPMessage *result = NULL;
1284         pstring dn;
1285         LDAPMod **mods = NULL;
1286         int             ldap_op;
1287         uint32          num_result;
1288
1289         if (!ldapsam_open_connection(ldap_state, &ldap_struct)) /* open a connection to the server */
1290         {
1291                 return False;
1292         }
1293
1294         if (!ldapsam_connect_system(ldap_state, ldap_struct))   /* connect as system account */
1295         {
1296                 ldap_unbind(ldap_struct);
1297                 return False;
1298         }
1299
1300         rc = ldapsam_search_one_user_by_name (ldap_state, ldap_struct, pdb_get_username(newpwd), &result);
1301
1302         if (ldap_count_entries(ldap_struct, result) != 0)
1303         {
1304                 DEBUG(0,("User already in the base, with samba properties\n"));
1305                 ldap_msgfree(result);
1306                 ldap_unbind(ldap_struct);
1307                 return False;
1308         }
1309         ldap_msgfree(result);
1310
1311         slprintf (filter, sizeof (filter) - 1, "uid=%s", pdb_get_username(newpwd));
1312         rc = ldapsam_search_one_user(ldap_state, ldap_struct, filter, &result);
1313         num_result = ldap_count_entries(ldap_struct, result);
1314
1315         if (num_result > 1) {
1316                 DEBUG (0, ("More than one user with that uid exists: bailing out!\n"));
1317                 return False;
1318         }
1319
1320         /* Check if we need to update an existing entry */
1321         if (num_result == 1) {
1322                 char *tmp;
1323                 LDAPMessage *entry;
1324
1325                 DEBUG(3,("User exists without samba properties: adding them\n"));
1326                 ldap_op = LDAP_MOD_REPLACE;
1327                 entry = ldap_first_entry (ldap_struct, result);
1328                 tmp = ldap_get_dn (ldap_struct, entry);
1329                 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1330                 ldap_memfree (tmp);
1331         }
1332         else {
1333                 /* Check if we need to add an entry */
1334                 DEBUG(3,("Adding new user\n"));
1335                 ldap_op = LDAP_MOD_ADD;
1336                 if ( pdb_get_acct_ctrl( newpwd ) & ACB_WSTRUST ) {
1337                         slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", pdb_get_username(newpwd), lp_ldap_machine_suffix ());
1338                 }
1339                 else {
1340                         slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", pdb_get_username(newpwd), lp_ldap_user_suffix ());
1341                 }
1342         }
1343
1344         ldap_msgfree(result);
1345
1346         if (!init_ldap_from_sam(ldap_state, &mods, ldap_op, newpwd)) {
1347                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
1348                 ldap_mods_free(mods, 1);
1349                 ldap_unbind(ldap_struct);
1350                 return False;
1351         }
1352         make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "sambaAccount");
1353
1354         if (ldap_op == LDAP_MOD_REPLACE) {
1355                 rc = ldap_modify_s(ldap_struct, dn, mods);
1356         }
1357         else {
1358                 rc = ldap_add_s(ldap_struct, dn, mods);
1359         }
1360
1361         if (rc != LDAP_SUCCESS)
1362         {
1363                 char *ld_error;
1364
1365                 ldap_get_option (ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1366                 DEBUG(0,("failed to modify/add user with uid = %s (dn = %s) with: %s\n\t%s\n",
1367                         pdb_get_username(newpwd), dn, ldap_err2string (rc), ld_error));
1368                 free(ld_error);
1369                 ldap_mods_free(mods, 1);
1370                 ldap_unbind(ldap_struct);
1371                 return False;
1372         }
1373
1374         DEBUG(2,("added: uid = %s in the LDAP database\n", pdb_get_username(newpwd)));
1375         ldap_mods_free(mods, 1);
1376         ldap_unbind(ldap_struct);
1377         return True;
1378 }
1379
1380 static void free_private_data(void **vp)
1381 {
1382         struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
1383
1384         if ((*ldap_state)->ldap_struct) {
1385                 ldap_unbind((*ldap_state)->ldap_struct);
1386         }
1387
1388         *ldap_state = NULL;
1389
1390         /* No need to free any further, as it is talloc()ed */
1391 }
1392
1393 NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1394 {
1395         NTSTATUS nt_status;
1396         struct ldapsam_privates *ldap_state;
1397
1398         if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
1399                 return nt_status;
1400         }
1401
1402         (*pdb_method)->name = "ldapsam";
1403
1404         (*pdb_method)->setsampwent = ldapsam_setsampwent;
1405         (*pdb_method)->endsampwent = ldapsam_endsampwent;
1406         (*pdb_method)->getsampwent = ldapsam_getsampwent;
1407         (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
1408         (*pdb_method)->getsampwrid = ldapsam_getsampwrid;
1409         (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
1410         (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
1411         (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
1412
1413         /* TODO: Setup private data and free */
1414
1415         ldap_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct ldapsam_privates));
1416
1417         if (!ldap_state) {
1418                 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1419                 return NT_STATUS_NO_MEMORY;
1420         }
1421
1422         if (location) {
1423                 ldap_state->uri = talloc_strdup(pdb_context->mem_ctx, location);
1424         } else {
1425                 ldap_state->uri = "ldap://localhost";
1426                 return NT_STATUS_INVALID_PARAMETER;
1427         }
1428
1429         (*pdb_method)->private_data = ldap_state;
1430
1431         (*pdb_method)->free_private_data = free_private_data;
1432
1433         return NT_STATUS_OK;
1434 }
1435
1436 NTSTATUS pdb_init_ldapsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1437 {
1438         NTSTATUS nt_status;
1439         struct ldapsam_privates *ldap_state;
1440         uint32 low_nua_uid, high_nua_uid;
1441
1442         if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam(pdb_context, pdb_method, location))) {
1443                 return nt_status;
1444         }
1445
1446         (*pdb_method)->name = "ldapsam_nua";
1447
1448         ldap_state = (*pdb_method)->private_data;
1449
1450         ldap_state->permit_non_unix_accounts = True;
1451
1452         if (!lp_non_unix_account_range(&low_nua_uid, &high_nua_uid)) {
1453                 DEBUG(0, ("cannot use ldapsam_nua without 'non unix account range' in smb.conf!\n"));
1454                 return NT_STATUS_UNSUCCESSFUL;
1455         }
1456
1457         ldap_state->low_nua_rid=pdb_uid_to_user_rid(low_nua_uid);
1458
1459         ldap_state->high_nua_rid=pdb_uid_to_user_rid(high_nua_uid);
1460
1461         return NT_STATUS_OK;
1462 }
1463
1464
1465 #else
1466
1467 NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1468 {
1469         DEBUG(0, ("ldapsam not compiled in!\n"));
1470         return NT_STATUS_UNSUCCESSFUL;
1471 }
1472
1473 NTSTATUS pdb_init_ldapsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1474 {
1475         DEBUG(0, ("ldapsam_nua not compiled in!\n"));
1476         return NT_STATUS_UNSUCCESSFUL;
1477 }
1478
1479
1480 #endif
1481