source3/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 HAVE_LDAP
  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: successful 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                                                     fallback_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, pstring 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                 pdb_set_unix_homedir(sampass, pw->pw_dir);
 531
 532                 passwd_free(&pw);
 533
 534                 pdb_set_uid(sampass, uid);
 535                 pdb_set_gid(sampass, gid);
 536
 537                 if (group_rid == 0) {
 538                         GROUP_MAP map;
 539                         /* call the mapping code here */
 540                         if(get_group_map_from_gid(gid, &map, MAPPING_WITHOUT_PRIV)) {
 541                                 sid_peek_rid(&map.sid, &group_rid);
 542                         }
 543                         else {
 544                                 group_rid=pdb_gid_to_group_rid(gid);
 545                         }
 546                 }
 547         }
 548
 549         if (!get_single_attribute(ldap_struct, entry, "pwdLastSet", temp)) {
 550                 /* leave as default */
 551         } else {
 552                 pass_last_set_time = (time_t) atol(temp);
 553                 pdb_set_pass_last_set_time(sampass, pass_last_set_time);
 554         }
 555
 556         if (!get_single_attribute(ldap_struct, entry, "logonTime", temp)) {
 557                 /* leave as default */
 558         } else {
 559                 logon_time = (time_t) atol(temp);
 560                 pdb_set_logon_time(sampass, logon_time, True);
 561         }
 562
 563         if (!get_single_attribute(ldap_struct, entry, "logoffTime", temp)) {
 564                 /* leave as default */
 565         } else {
 566                 logoff_time = (time_t) atol(temp);
 567                 pdb_set_logoff_time(sampass, logoff_time, True);
 568         }
 569
 570         if (!get_single_attribute(ldap_struct, entry, "kickoffTime", temp)) {
 571                 /* leave as default */
 572         } else {
 573                 kickoff_time = (time_t) atol(temp);
 574                 pdb_set_kickoff_time(sampass, kickoff_time, True);
 575         }
 576
 577         if (!get_single_attribute(ldap_struct, entry, "pwdCanChange", temp)) {
 578                 /* leave as default */
 579         } else {
 580                 pass_can_change_time = (time_t) atol(temp);
 581                 pdb_set_pass_can_change_time(sampass, pass_can_change_time, True);
 582         }
 583
 584         if (!get_single_attribute(ldap_struct, entry, "pwdMustChange", temp)) {
 585                 /* leave as default */
 586         } else {
 587                 pass_must_change_time = (time_t) atol(temp);
 588                 pdb_set_pass_must_change_time(sampass, pass_must_change_time, True);
 589         }
 590
 591         /* recommend that 'gecos' and 'displayName' should refer to the same
 592          * attribute OID.  userFullName depreciated, only used by Samba
 593          * primary rules of LDAP: don't make a new attribute when one is already defined
 594          * that fits your needs; using cn then displayName rather than 'userFullName'
 595          */
 596
 597         if (!get_single_attribute(ldap_struct, entry, "cn", fullname)) {
 598                 if (!get_single_attribute(ldap_struct, entry, "displayName", fullname)) {
 599                         /* leave as default */
 600                 } else {
 601                         pdb_set_fullname(sampass, fullname);
 602                 }
 603         } else {
 604                 pdb_set_fullname(sampass, fullname);
 605         }
 606
 607         if (!get_single_attribute(ldap_struct, entry, "homeDrive", dir_drive)) {
 608                 pdb_set_dir_drive(sampass, standard_sub_specified(sampass->mem_ctx,
 609                                                                   lp_logon_path(),
 610                                                                   username, domain,
 611                                                                   uid, gid),
 612                                   False);
 613         } else {
 614                 pdb_set_dir_drive(sampass, dir_drive, True);
 615         }
 616
 617         if (!get_single_attribute(ldap_struct, entry, "smbHome", homedir)) {
 618                 pdb_set_dir_drive(sampass, standard_sub_specified(sampass->mem_ctx,
 619                                                                   lp_logon_home(),
 620                                                                   username, domain,
 621                                                                   uid, gid),
 622                                   False);
 623         } else {
 624                 pdb_set_homedir(sampass, homedir, True);
 625         }
 626
 627         if (!get_single_attribute(ldap_struct, entry, "scriptPath", logon_script)) {
 628                 pdb_set_logon_script(sampass, standard_sub_specified(sampass->mem_ctx,
 629                                                                      lp_logon_script(),
 630                                                                      username, domain,
 631                                                                      uid, gid),
 632                                      False);
 633         } else {
 634                 pdb_set_logon_script(sampass, logon_script, True);
 635         }
 636
 637         if (!get_single_attribute(ldap_struct, entry, "profilePath", profile_path)) {
 638                 pdb_set_profile_path(sampass, standard_sub_specified(sampass->mem_ctx,
 639                                                                      lp_logon_path(),
 640                                                                      username, domain,
 641                                                                      uid, gid),
 642                                      False);
 643         } else {
 644                 pdb_set_profile_path(sampass, profile_path, True);
 645         }
 646
 647         if (!get_single_attribute(ldap_struct, entry, "description", acct_desc)) {
 648                 /* leave as default */
 649         } else {
 650                 pdb_set_acct_desc(sampass, acct_desc);
 651         }
 652
 653         if (!get_single_attribute(ldap_struct, entry, "userWorkstations", workstations)) {
 654                 /* leave as default */;
 655         } else {
 656                 pdb_set_workstations(sampass, workstations);
 657         }
 658
 659         /* FIXME: hours stuff should be cleaner */
 660
 661         logon_divs = 168;
 662         hours_len = 21;
 663         memset(hours, 0xff, hours_len);
 664
 665         if (!get_single_attribute (ldap_struct, entry, "lmPassword", temp)) {
 666                 /* leave as default */
 667         } else {
 668                 pdb_gethexpwd(temp, smblmpwd);
 669                 memset((char *)temp, '\0', sizeof(temp));
 670                 if (!pdb_set_lanman_passwd(sampass, smblmpwd))
 671                         return False;
 672         }
 673
 674         if (!get_single_attribute (ldap_struct, entry, "ntPassword", temp)) {
 675                 /* leave as default */
 676         } else {
 677                 pdb_gethexpwd(temp, smbntpwd);
 678                 memset((char *)temp, '\0', sizeof(temp));
 679                 if (!pdb_set_nt_passwd(sampass, smbntpwd))
 680                         return False;
 681         }
 682
 683         if (!get_single_attribute (ldap_struct, entry, "acctFlags", temp)) {
 684                 acct_ctrl |= ACB_NORMAL;
 685         } else {
 686                 acct_ctrl = pdb_decode_acct_ctrl(temp);
 687
 688                 if (acct_ctrl == 0)
 689                         acct_ctrl |= ACB_NORMAL;
 690
 691                 pdb_set_acct_ctrl(sampass, acct_ctrl);
 692         }
 693
 694         pdb_set_hours_len(sampass, hours_len);
 695         pdb_set_logon_divs(sampass, logon_divs);
 696
 697         pdb_set_user_rid(sampass, user_rid);
 698         pdb_set_group_rid(sampass, group_rid);
 699
 700         pdb_set_username(sampass, username);
 701
 702         pdb_set_domain(sampass, domain);
 703         pdb_set_nt_username(sampass, nt_username);
 704
 705         pdb_set_munged_dial(sampass, munged_dial);
 706
 707         /* pdb_set_unknown_3(sampass, unknown3); */
 708         /* pdb_set_unknown_5(sampass, unknown5); */
 709         /* pdb_set_unknown_6(sampass, unknown6); */
 710
 711         pdb_set_hours(sampass, hours);
 712
 713         return True;
 714 }
 715
 716 /**********************************************************************
 717 Initialize SAM_ACCOUNT from an LDAP query
 718 (Based on init_buffer_from_sam in pdb_tdb.c)
 719 *********************************************************************/
 720 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
 721                                 LDAPMod *** mods, int ldap_op,
 722                                 const SAM_ACCOUNT * sampass)
 723 {
 724         pstring temp;
 725         uint32 rid;
 726
 727         if (mods == NULL || sampass == NULL) {
 728                 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
 729                 return False;
 730         }
 731
 732         *mods = NULL;
 733
 734         /*
 735          * took out adding "objectclass: sambaAccount"
 736          * do this on a per-mod basis
 737          */
 738
 739         make_a_mod(mods, ldap_op, "uid", pdb_get_username(sampass));
 740         DEBUG(2, ("Setting entry for user: %s\n", pdb_get_username(sampass)));
 741
 742         if ( pdb_get_user_rid(sampass) ) {
 743                 rid = pdb_get_user_rid(sampass);
 744         } else if (IS_SAM_SET(sampass, FLAG_SAM_UID)) {
 745                 rid = fallback_pdb_uid_to_user_rid(pdb_get_uid(sampass));
 746         } else if (ldap_state->permit_non_unix_accounts) {
 747                 rid = ldapsam_get_next_available_nua_rid(ldap_state);
 748                 if (rid == 0) {
 749                         DEBUG(0, ("NO user RID specified on account %s, and findining next available NUA RID failed, cannot store!\n", pdb_get_username(sampass)));
 750                         return False;
 751                 }
 752         } else {
 753                 DEBUG(0, ("NO user RID specified on account %s, cannot store!\n", pdb_get_username(sampass)));
 754                 return False;
 755         }
 756
 757         slprintf(temp, sizeof(temp) - 1, "%i", rid);
 758         make_a_mod(mods, ldap_op, "rid", temp);
 759
 760         if ( pdb_get_group_rid(sampass) ) {
 761                 rid = pdb_get_group_rid(sampass);
 762         } else if (IS_SAM_SET(sampass, FLAG_SAM_GID)) {
 763                 rid = pdb_gid_to_group_rid(pdb_get_gid(sampass));
 764         } else if (ldap_state->permit_non_unix_accounts) {
 765                 rid = DOMAIN_GROUP_RID_USERS;
 766         } else {
 767                 DEBUG(0, ("NO group RID specified on account %s, cannot store!\n", pdb_get_username(sampass)));
 768                 return False;
 769         }
 770
 771         slprintf(temp, sizeof(temp) - 1, "%i", rid);
 772         make_a_mod(mods, ldap_op, "primaryGroupID", temp);
 773
 774         slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
 775         make_a_mod(mods, ldap_op, "pwdLastSet", temp);
 776
 777         /* displayName, cn, and gecos should all be the same
 778            *  most easily accomplished by giving them the same OID
 779            *  gecos isn't set here b/c it should be handled by the
 780            *  add-user script
 781          */
 782
 783         make_a_mod(mods, ldap_op, "displayName", pdb_get_fullname(sampass));
 784         make_a_mod(mods, ldap_op, "cn", pdb_get_fullname(sampass));
 785         make_a_mod(mods, ldap_op, "description", pdb_get_acct_desc(sampass));
 786         make_a_mod(mods, ldap_op, "userWorkstations", pdb_get_workstations(sampass));
 787
 788         /*
 789          * Only updates fields which have been set (not defaults from smb.conf)
 790          */
 791
 792         if (IS_SAM_SET(sampass, FLAG_SAM_SMBHOME))
 793                 make_a_mod(mods, ldap_op, "smbHome", pdb_get_homedir(sampass));
 794
 795         if (IS_SAM_SET(sampass, FLAG_SAM_DRIVE))
 796                 make_a_mod(mods, ldap_op, "homeDrive", pdb_get_dirdrive(sampass));
 797
 798         if (IS_SAM_SET(sampass, FLAG_SAM_LOGONSCRIPT))
 799                 make_a_mod(mods, ldap_op, "scriptPath", pdb_get_logon_script(sampass));
 800
 801         if (IS_SAM_SET(sampass, FLAG_SAM_PROFILE))
 802                 make_a_mod(mods, ldap_op, "profilePath", pdb_get_profile_path(sampass));
 803
 804         if (IS_SAM_SET(sampass, FLAG_SAM_LOGONTIME)) {
 805                 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
 806                 make_a_mod(mods, ldap_op, "logonTime", temp);
 807         }
 808
 809         if (IS_SAM_SET(sampass, FLAG_SAM_LOGOFFTIME)) {
 810                 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
 811                 make_a_mod(mods, ldap_op, "logoffTime", temp);
 812         }
 813
 814         if (IS_SAM_SET(sampass, FLAG_SAM_KICKOFFTIME)) {
 815                 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
 816                 make_a_mod(mods, ldap_op, "kickoffTime", temp);
 817         }
 818
 819         if (IS_SAM_SET(sampass, FLAG_SAM_CANCHANGETIME)) {
 820                 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
 821                 make_a_mod(mods, ldap_op, "pwdCanChange", temp);
 822         }
 823
 824         if (IS_SAM_SET(sampass, FLAG_SAM_MUSTCHANGETIME)) {
 825                 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
 826                 make_a_mod(mods, ldap_op, "pwdMustChange", temp);
 827         }
 828
 829         /* FIXME: Hours stuff goes in LDAP  */
 830         pdb_sethexpwd (temp, pdb_get_lanman_passwd(sampass), pdb_get_acct_ctrl(sampass));
 831         make_a_mod (mods, ldap_op, "lmPassword", temp);
 832
 833         pdb_sethexpwd (temp, pdb_get_nt_passwd(sampass), pdb_get_acct_ctrl(sampass));
 834         make_a_mod (mods, ldap_op, "ntPassword", temp);
 835
 836         make_a_mod (mods, ldap_op, "acctFlags", pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass),
 837                 NEW_PW_FORMAT_SPACE_PADDED_LEN));
 838
 839         return True;
 840 }
 841
 842
 843 /**********************************************************************
 844 Connect to LDAP server and find the next available RID.
 845 *********************************************************************/
 846 static uint32 check_nua_rid_is_avail(struct ldapsam_privates *ldap_state, uint32 top_rid, LDAP *ldap_struct)
 847 {
 848         LDAPMessage *result;
 849         uint32 final_rid = (top_rid & (~USER_RID_TYPE)) + RID_MULTIPLIER;
 850         if (top_rid == 0) {
 851                 return 0;
 852         }
 853
 854         if (final_rid < ldap_state->low_nua_rid || final_rid > ldap_state->high_nua_rid) {
 855                 return 0;
 856         }
 857
 858         if (ldapsam_search_one_user_by_rid(ldap_state, ldap_struct, final_rid, &result) != LDAP_SUCCESS) {
 859                 DEBUG(0, ("Cannot allocate NUA RID %d (0x%x), as the confirmation search failed!\n", final_rid, final_rid));
 860                 final_rid = 0;
 861                 ldap_msgfree(result);
 862         }
 863
 864         if (ldap_count_entries(ldap_struct, result) != 0)
 865         {
 866                 DEBUG(0, ("Cannot allocate NUA RID %d (0x%x), as the RID is already in use!!\n", final_rid, final_rid));
 867                 final_rid = 0;
 868                 ldap_msgfree(result);
 869         }
 870
 871         DEBUG(5, ("NUA RID %d (0x%x), declared valid\n", final_rid, final_rid));
 872         return final_rid;
 873 }
 874
 875 /**********************************************************************
 876 Extract the RID from an LDAP entry
 877 *********************************************************************/
 878 static uint32 entry_to_user_rid(struct ldapsam_privates *ldap_state, LDAPMessage *entry, LDAP *ldap_struct) {
 879         uint32 rid;
 880         SAM_ACCOUNT *user = NULL;
 881         if (!NT_STATUS_IS_OK(pdb_init_sam(&user))) {
 882                 return 0;
 883         }
 884
 885         if (init_sam_from_ldap(ldap_state, user, ldap_struct, entry)) {
 886                 rid = pdb_get_user_rid(user);
 887         } else {
 888                 rid =0;
 889         }
 890         pdb_free_sam(&user);
 891         if (rid >= ldap_state->low_nua_rid && rid <= ldap_state->high_nua_rid) {
 892                 return rid;
 893         }
 894         return 0;
 895 }
 896
 897
 898 /**********************************************************************
 899 Connect to LDAP server and find the next available RID.
 900 *********************************************************************/
 901 static uint32 search_top_nua_rid(struct ldapsam_privates *ldap_state, LDAP *ldap_struct)
 902 {
 903         int rc;
 904         pstring filter;
 905         LDAPMessage *result;
 906         LDAPMessage *entry;
 907         char *final_filter = NULL;
 908         uint32 top_rid = 0;
 909         uint32 count;
 910         uint32 rid;
 911
 912         pstrcpy(filter, lp_ldap_filter());
 913         all_string_sub(filter, "%u", "*", sizeof(pstring));
 914
 915 #if 0
 916         asprintf(&final_filter, "(&(%s)(&(rid>=%d)(rid<=%d)))", filter, ldap_state->low_nua_rid, ldap_state->high_nua_rid);
 917 #else
 918         final_filter = strdup(filter);
 919 #endif
 920         DEBUG(2, ("ldapsam_get_next_available_nua_rid: searching for:[%s]\n", final_filter));
 921
 922         rc = ldap_search_s(ldap_struct, lp_ldap_suffix(),
 923                            LDAP_SCOPE_SUBTREE, final_filter, NULL, 0,
 924                            &result);
 925
 926         if (rc != LDAP_SUCCESS)
 927         {
 928
 929                 DEBUG(3, ("LDAP search failed! cannot find base for NUA RIDs: %s\n", ldap_err2string(rc)));
 930                 DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), final_filter));
 931
 932                 free(final_filter);
 933                 ldap_msgfree(result);
 934                 result = NULL;
 935                 return 0;
 936         }
 937
 938         count = ldap_count_entries(ldap_struct, result);
 939         DEBUG(2, ("search_top_nua_rid: %d entries in the base!\n", count));
 940
 941         if (count == 0) {
 942                 DEBUG(3, ("LDAP search returned no records, assuming no non-unix-accounts present!: %s\n", ldap_err2string(rc)));
 943                 DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), final_filter));
 944                 free(final_filter);
 945                 ldap_msgfree(result);
 946                 result = NULL;
 947                 return ldap_state->low_nua_rid;
 948         }
 949
 950         free(final_filter);
 951         entry = ldap_first_entry(ldap_struct,result);
 952
 953         top_rid = entry_to_user_rid(ldap_state, entry, ldap_struct);
 954
 955         while ((entry = ldap_next_entry(ldap_struct, entry))) {
 956
 957                 rid = entry_to_user_rid(ldap_state, entry, ldap_struct);
 958                 if (rid > top_rid) {
 959                         top_rid = rid;
 960                 }
 961         }
 962
 963         ldap_msgfree(result);
 964         return top_rid;
 965 }
 966
 967 /**********************************************************************
 968 Connect to LDAP server and find the next available RID.
 969 *********************************************************************/
 970 static uint32 ldapsam_get_next_available_nua_rid(struct ldapsam_privates *ldap_state) {
 971         LDAP *ldap_struct;
 972         uint32 next_nua_rid;
 973         uint32 top_nua_rid;
 974
 975         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
 976         {
 977                 return 0;
 978         }
 979         if (!ldapsam_connect_system(ldap_state, ldap_struct))
 980         {
 981                 ldap_unbind(ldap_struct);
 982                 return 0;
 983         }
 984
 985         top_nua_rid = search_top_nua_rid(ldap_state, ldap_struct);
 986
 987         next_nua_rid = check_nua_rid_is_avail(ldap_state,
 988                                               top_nua_rid, ldap_struct);
 989
 990         ldap_unbind(ldap_struct);
 991         return next_nua_rid;
 992 }
 993
 994 /**********************************************************************
 995 Connect to LDAP server for password enumeration
 996 *********************************************************************/
 997 static BOOL ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update)
 998 {
 999         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1000         int rc;
1001         pstring filter;
1002
1003         if (!ldapsam_open_connection(ldap_state, &ldap_state->ldap_struct))
1004         {
1005                 return False;
1006         }
1007         if (!ldapsam_connect_system(ldap_state, ldap_state->ldap_struct))
1008         {
1009                 ldap_unbind(ldap_state->ldap_struct);
1010                 return False;
1011         }
1012
1013         pstrcpy(filter, lp_ldap_filter());
1014         all_string_sub(filter, "%u", "*", sizeof(pstring));
1015
1016         rc = ldap_search_s(ldap_state->ldap_struct, lp_ldap_suffix(),
1017                            LDAP_SCOPE_SUBTREE, filter, NULL, 0,
1018                            &ldap_state->result);
1019
1020         if (rc != LDAP_SUCCESS)
1021         {
1022                 DEBUG(0, ("LDAP search failed: %s\n", ldap_err2string(rc)));
1023                 DEBUG(3, ("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1024                 ldap_msgfree(ldap_state->result);
1025                 ldap_unbind(ldap_state->ldap_struct);
1026                 ldap_state->ldap_struct = NULL;
1027                 ldap_state->result = NULL;
1028                 return False;
1029         }
1030
1031         DEBUG(2, ("ldapsam_setsampwent: %d entries in the base!\n",
1032                 ldap_count_entries(ldap_state->ldap_struct,
1033                 ldap_state->result)));
1034
1035         ldap_state->entry = ldap_first_entry(ldap_state->ldap_struct,
1036                                  ldap_state->result);
1037         ldap_state->index = 0;
1038
1039         return True;
1040 }
1041
1042 /**********************************************************************
1043 End enumeration of the LDAP password list
1044 *********************************************************************/
1045 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1046 {
1047         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1048         if (ldap_state->ldap_struct && ldap_state->result)
1049         {
1050                 ldap_msgfree(ldap_state->result);
1051                 ldap_unbind(ldap_state->ldap_struct);
1052                 ldap_state->ldap_struct = NULL;
1053                 ldap_state->result = NULL;
1054         }
1055 }
1056
1057 /**********************************************************************
1058 Get the next entry in the LDAP password database
1059 *********************************************************************/
1060 static BOOL ldapsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT * user)
1061 {
1062         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1063         BOOL ret = False;
1064
1065         while (!ret) {
1066                 if (!ldap_state->entry)
1067                         return False;
1068
1069                 ldap_state->index++;
1070                 ret = init_sam_from_ldap(ldap_state, user, ldap_state->ldap_struct,
1071                                          ldap_state->entry);
1072
1073                 ldap_state->entry = ldap_next_entry(ldap_state->ldap_struct,
1074                                             ldap_state->entry);
1075
1076         }
1077
1078         return True;
1079 }
1080
1081 /**********************************************************************
1082 Get SAM_ACCOUNT entry from LDAP by username
1083 *********************************************************************/
1084 static BOOL ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const char *sname)
1085 {
1086         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1087         LDAP *ldap_struct;
1088         LDAPMessage *result;
1089         LDAPMessage *entry;
1090
1091         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
1092                 return False;
1093         if (!ldapsam_connect_system(ldap_state, ldap_struct))
1094         {
1095                 ldap_unbind(ldap_struct);
1096                 return False;
1097         }
1098         if (ldapsam_search_one_user_by_name(ldap_state, ldap_struct, sname, &result) != LDAP_SUCCESS)
1099         {
1100                 ldap_unbind(ldap_struct);
1101                 return False;
1102         }
1103         if (ldap_count_entries(ldap_struct, result) < 1)
1104         {
1105                 DEBUG(4,
1106                       ("We don't find this user [%s] count=%d\n", sname,
1107                        ldap_count_entries(ldap_struct, result)));
1108                 ldap_unbind(ldap_struct);
1109                 return False;
1110         }
1111         entry = ldap_first_entry(ldap_struct, result);
1112         if (entry)
1113         {
1114                 if (!init_sam_from_ldap(ldap_state, user, ldap_struct, entry)) {
1115                         DEBUG(0,("ldapsam_getsampwnam: init_sam_from_ldap failed!\n"));
1116                         ldap_msgfree(result);
1117                         ldap_unbind(ldap_struct);
1118                         return False;
1119                 }
1120                 ldap_msgfree(result);
1121                 ldap_unbind(ldap_struct);
1122                 return True;
1123         }
1124         else
1125         {
1126                 ldap_msgfree(result);
1127                 ldap_unbind(ldap_struct);
1128                 return False;
1129         }
1130 }
1131
1132 /**********************************************************************
1133 Get SAM_ACCOUNT entry from LDAP by rid
1134 *********************************************************************/
1135 static BOOL ldapsam_getsampwrid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, uint32 rid)
1136 {
1137         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1138         LDAP *ldap_struct;
1139         LDAPMessage *result;
1140         LDAPMessage *entry;
1141
1142         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
1143                 return False;
1144
1145         if (!ldapsam_connect_system(ldap_state, ldap_struct))
1146         {
1147                 ldap_unbind(ldap_struct);
1148                 return False;
1149         }
1150         if (ldapsam_search_one_user_by_rid(ldap_state, ldap_struct, rid, &result) !=
1151             LDAP_SUCCESS)
1152         {
1153                 ldap_unbind(ldap_struct);
1154                 return False;
1155         }
1156
1157         if (ldap_count_entries(ldap_struct, result) < 1)
1158         {
1159                 DEBUG(0,
1160                       ("We don't find this rid [%i] count=%d\n", rid,
1161                        ldap_count_entries(ldap_struct, result)));
1162                 ldap_unbind(ldap_struct);
1163                 return False;
1164         }
1165
1166         entry = ldap_first_entry(ldap_struct, result);
1167         if (entry)
1168         {
1169                 if (!init_sam_from_ldap(ldap_state, user, ldap_struct, entry)) {
1170                         DEBUG(0,("ldapsam_getsampwrid: init_sam_from_ldap failed!\n"));
1171                         ldap_msgfree(result);
1172                         ldap_unbind(ldap_struct);
1173                         return False;
1174                 }
1175                 ldap_msgfree(result);
1176                 ldap_unbind(ldap_struct);
1177                 return True;
1178         }
1179         else
1180         {
1181                 ldap_msgfree(result);
1182                 ldap_unbind(ldap_struct);
1183                 return False;
1184         }
1185 }
1186
1187 /**********************************************************************
1188 Delete entry from LDAP for username
1189 *********************************************************************/
1190 static BOOL ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * sam_acct)
1191 {
1192         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1193         const char *sname;
1194         int rc;
1195         char *dn;
1196         LDAP *ldap_struct;
1197         LDAPMessage *entry;
1198         LDAPMessage *result;
1199
1200         if (!sam_acct) {
1201                 DEBUG(0, ("sam_acct was NULL!\n"));
1202                 return False;
1203         }
1204
1205         sname = pdb_get_username(sam_acct);
1206
1207         if (!ldapsam_open_connection(ldap_state, &ldap_struct))
1208                 return False;
1209
1210         DEBUG (3, ("Deleting user %s from LDAP.\n", sname));
1211
1212         if (!ldapsam_connect_system(ldap_state, ldap_struct)) {
1213                 ldap_unbind (ldap_struct);
1214                 DEBUG(0, ("Failed to delete user %s from LDAP.\n", sname));
1215                 return False;
1216         }
1217
1218         rc = ldapsam_search_one_user_by_name(ldap_state, ldap_struct, sname, &result);
1219         if (ldap_count_entries (ldap_struct, result) == 0) {
1220                 DEBUG (0, ("User doesn't exit!\n"));
1221                 ldap_msgfree (result);
1222                 ldap_unbind (ldap_struct);
1223                 return False;
1224         }
1225
1226         entry = ldap_first_entry (ldap_struct, result);
1227         dn = ldap_get_dn (ldap_struct, entry);
1228
1229         rc = ldap_delete_s (ldap_struct, dn);
1230
1231         ldap_memfree (dn);
1232         if (rc != LDAP_SUCCESS) {
1233                 char *ld_error;
1234                 ldap_get_option (ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1235                 DEBUG (0,("failed to delete user with uid = %s with: %s\n\t%s\n",
1236                         sname, ldap_err2string (rc), ld_error));
1237                 free (ld_error);
1238                 ldap_unbind (ldap_struct);
1239                 return False;
1240         }
1241
1242         DEBUG (2,("successfully deleted uid = %s from the LDAP database\n", sname));
1243         ldap_unbind (ldap_struct);
1244         return True;
1245 }
1246
1247 /**********************************************************************
1248 Update SAM_ACCOUNT
1249 *********************************************************************/
1250 static BOOL ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1251 {
1252         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1253         int rc;
1254         char *dn;
1255         LDAP *ldap_struct;
1256         LDAPMessage *result;
1257         LDAPMessage *entry;
1258         LDAPMod **mods;
1259
1260         if (!ldapsam_open_connection(ldap_state, &ldap_struct)) /* open a connection to the server */
1261                 return False;
1262
1263         if (!ldapsam_connect_system(ldap_state, ldap_struct))   /* connect as system account */
1264         {
1265                 ldap_unbind(ldap_struct);
1266                 return False;
1267         }
1268
1269         rc = ldapsam_search_one_user_by_name(ldap_state, ldap_struct,
1270                                              pdb_get_username(newpwd), &result);
1271
1272         if (ldap_count_entries(ldap_struct, result) == 0)
1273         {
1274                 DEBUG(0, ("No user to modify!\n"));
1275                 ldap_msgfree(result);
1276                 ldap_unbind(ldap_struct);
1277                 return False;
1278         }
1279
1280         if (!init_ldap_from_sam(ldap_state, &mods, LDAP_MOD_REPLACE, newpwd)) {
1281                 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1282                 ldap_msgfree(result);
1283                 ldap_unbind(ldap_struct);
1284                 return False;
1285         }
1286
1287         entry = ldap_first_entry(ldap_struct, result);
1288         dn = ldap_get_dn(ldap_struct, entry);
1289
1290         rc = ldap_modify_s(ldap_struct, dn, mods);
1291
1292         if (rc != LDAP_SUCCESS)
1293         {
1294                 char *ld_error;
1295                 ldap_get_option(ldap_struct, LDAP_OPT_ERROR_STRING,
1296                                 &ld_error);
1297                 DEBUG(0,
1298                       ("failed to modify user with uid = %s with: %s\n\t%s\n",
1299                        pdb_get_username(newpwd), ldap_err2string(rc),
1300                        ld_error));
1301                 free(ld_error);
1302                 ldap_unbind(ldap_struct);
1303                 return False;
1304         }
1305
1306         DEBUG(2,
1307               ("successfully modified uid = %s in the LDAP database\n",
1308                pdb_get_username(newpwd)));
1309         ldap_mods_free(mods, 1);
1310         ldap_unbind(ldap_struct);
1311         return True;
1312 }
1313
1314 /**********************************************************************
1315 Add SAM_ACCOUNT to LDAP
1316 *********************************************************************/
1317 static BOOL ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1318 {
1319         struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1320         int rc;
1321         pstring filter;
1322         LDAP *ldap_struct = NULL;
1323         LDAPMessage *result = NULL;
1324         pstring dn;
1325         LDAPMod **mods = NULL;
1326         int             ldap_op;
1327         uint32          num_result;
1328
1329         const char *username = pdb_get_username(newpwd);
1330         if (!username || !*username) {
1331                 DEBUG(0, ("Cannot add user without a username!\n"));
1332                 return False;
1333         }
1334
1335         if (!ldapsam_open_connection(ldap_state, &ldap_struct)) /* open a connection to the server */
1336         {
1337                 return False;
1338         }
1339
1340         if (!ldapsam_connect_system(ldap_state, ldap_struct))   /* connect as system account */
1341         {
1342                 ldap_unbind(ldap_struct);
1343                 return False;
1344         }
1345
1346         rc = ldapsam_search_one_user_by_name (ldap_state, ldap_struct, username, &result);
1347
1348         if (ldap_count_entries(ldap_struct, result) != 0)
1349         {
1350                 DEBUG(0,("User already in the base, with samba properties\n"));
1351                 ldap_msgfree(result);
1352                 ldap_unbind(ldap_struct);
1353                 return False;
1354         }
1355         ldap_msgfree(result);
1356
1357         slprintf (filter, sizeof (filter) - 1, "uid=%s", username);
1358         rc = ldapsam_search_one_user(ldap_state, ldap_struct, filter, &result);
1359         num_result = ldap_count_entries(ldap_struct, result);
1360
1361         if (num_result > 1) {
1362                 DEBUG (0, ("More than one user with that uid exists: bailing out!\n"));
1363                 ldap_msgfree(result);
1364                 return False;
1365         }
1366
1367         /* Check if we need to update an existing entry */
1368         if (num_result == 1) {
1369                 char *tmp;
1370                 LDAPMessage *entry;
1371
1372                 DEBUG(3,("User exists without samba properties: adding them\n"));
1373                 ldap_op = LDAP_MOD_REPLACE;
1374                 entry = ldap_first_entry (ldap_struct, result);
1375                 tmp = ldap_get_dn (ldap_struct, entry);
1376                 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1377                 ldap_memfree (tmp);
1378         }
1379         else {
1380                 /* Check if we need to add an entry */
1381                 DEBUG(3,("Adding new user\n"));
1382                 ldap_op = LDAP_MOD_ADD;
1383                 if (username[strlen(username)-1] == '$') {
1384                         slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
1385                 } else {
1386                         slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
1387                 }
1388         }
1389
1390         ldap_msgfree(result);
1391
1392         if (!init_ldap_from_sam(ldap_state, &mods, ldap_op, newpwd)) {
1393                 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
1394                 ldap_mods_free(mods, 1);
1395                 ldap_unbind(ldap_struct);
1396                 return False;
1397         }
1398         make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "sambaAccount");
1399
1400         if (ldap_op == LDAP_MOD_REPLACE) {
1401                 rc = ldap_modify_s(ldap_struct, dn, mods);
1402         }
1403         else {
1404                 rc = ldap_add_s(ldap_struct, dn, mods);
1405         }
1406
1407         if (rc != LDAP_SUCCESS)
1408         {
1409                 char *ld_error;
1410
1411                 ldap_get_option (ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1412                 DEBUG(0,("failed to modify/add user with uid = %s (dn = %s) with: %s\n\t%s\n",
1413                         pdb_get_username(newpwd), dn, ldap_err2string (rc), ld_error));
1414                 free(ld_error);
1415                 ldap_mods_free(mods, 1);
1416                 ldap_unbind(ldap_struct);
1417                 return False;
1418         }
1419
1420         DEBUG(2,("added: uid = %s in the LDAP database\n", pdb_get_username(newpwd)));
1421         ldap_mods_free(mods, 1);
1422         ldap_unbind(ldap_struct);
1423         return True;
1424 }
1425
1426 static void free_private_data(void **vp)
1427 {
1428         struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
1429
1430         if ((*ldap_state)->ldap_struct) {
1431                 ldap_unbind((*ldap_state)->ldap_struct);
1432         }
1433
1434         *ldap_state = NULL;
1435
1436         /* No need to free any further, as it is talloc()ed */
1437 }
1438
1439 NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1440 {
1441         NTSTATUS nt_status;
1442         struct ldapsam_privates *ldap_state;
1443
1444         if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
1445                 return nt_status;
1446         }
1447
1448         (*pdb_method)->name = "ldapsam";
1449
1450         (*pdb_method)->setsampwent = ldapsam_setsampwent;
1451         (*pdb_method)->endsampwent = ldapsam_endsampwent;
1452         (*pdb_method)->getsampwent = ldapsam_getsampwent;
1453         (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
1454         (*pdb_method)->getsampwrid = ldapsam_getsampwrid;
1455         (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
1456         (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
1457         (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
1458
1459         /* TODO: Setup private data and free */
1460
1461         ldap_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct ldapsam_privates));
1462
1463         if (!ldap_state) {
1464                 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1465                 return NT_STATUS_NO_MEMORY;
1466         }
1467
1468         if (location) {
1469                 ldap_state->uri = talloc_strdup(pdb_context->mem_ctx, location);
1470         } else {
1471                 ldap_state->uri = "ldap://localhost";
1472         }
1473
1474         (*pdb_method)->private_data = ldap_state;
1475
1476         (*pdb_method)->free_private_data = free_private_data;
1477
1478         return NT_STATUS_OK;
1479 }
1480
1481 NTSTATUS pdb_init_ldapsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1482 {
1483         NTSTATUS nt_status;
1484         struct ldapsam_privates *ldap_state;
1485         uint32 low_nua_uid, high_nua_uid;
1486
1487         if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam(pdb_context, pdb_method, location))) {
1488                 return nt_status;
1489         }
1490
1491         (*pdb_method)->name = "ldapsam_nua";
1492
1493         ldap_state = (*pdb_method)->private_data;
1494
1495         ldap_state->permit_non_unix_accounts = True;
1496
1497         if (!lp_non_unix_account_range(&low_nua_uid, &high_nua_uid)) {
1498                 DEBUG(0, ("cannot use ldapsam_nua without 'non unix account range' in smb.conf!\n"));
1499                 return NT_STATUS_UNSUCCESSFUL;
1500         }
1501
1502         ldap_state->low_nua_rid=fallback_pdb_uid_to_user_rid(low_nua_uid);
1503
1504         ldap_state->high_nua_rid=fallback_pdb_uid_to_user_rid(high_nua_uid);
1505
1506         return NT_STATUS_OK;
1507 }
1508
1509
1510 #else
1511
1512 NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1513 {
1514         DEBUG(0, ("ldap not detected at configure time, ldapsam not availalble!\n"));
1515         return NT_STATUS_UNSUCCESSFUL;
1516 }
1517
1518 NTSTATUS pdb_init_ldapsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
1519 {
1520         DEBUG(0, ("ldap not dectected at configure time, ldapsam_nua not available!\n"));
1521         return NT_STATUS_UNSUCCESSFUL;
1522 }
1523
1524
1525 #endif