1/* 2 Unix SMB/CIFS implementation. 3 LDAP protocol helper functions for SAMBA 4 Copyright (C) Jean Fran�ois Micouleau 1998 5 Copyright (C) Gerald Carter 2001-2003 6 Copyright (C) Shahms King 2001 7 Copyright (C) Andrew Bartlett 2002-2003 8 Copyright (C) Stefan (metze) Metzmacher 2002-2003 9 Copyright (C) Simo Sorce 2006 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24 25*/ 26 27/* TODO: 28* persistent connections: if using NSS LDAP, many connections are made 29* however, using only one within Samba would be nice 30* 31* Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK 32* 33* Other LDAP based login attributes: accountExpires, etc. 34* (should be the domain of Samba proper, but the sam_password/struct samu 35* structures don't have fields for some of these attributes) 36* 37* SSL is done, but can't get the certificate based authentication to work 38* against on my test platform (Linux 2.4, OpenLDAP 2.x) 39*/ 40 41/* NOTE: this will NOT work against an Active Directory server 42* due to the fact that the two password fields cannot be retrieved 43* from a server; recommend using security = domain in this situation 44* and/or winbind 45*/ 46 47#include "includes.h" 48 49#undef DBGC_CLASS 50#define DBGC_CLASS DBGC_PASSDB 51 52#include <lber.h> 53#include <ldap.h> 54 55/* 56 * Work around versions of the LDAP client libs that don't have the OIDs 57 * defined, or have them defined under the old name. 58 * This functionality is really a factor of the server, not the client 59 * 60 */ 61 62#if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD) 63#define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD 64#elif !defined(LDAP_EXOP_MODIFY_PASSWD) 65#define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1" 66#endif 67 68#if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID) 69#define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID 70#elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID) 71#define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U) 72#endif 73 74#if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW) 75#define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW 76#elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW) 77#define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U) 78#endif 79 80 81#include "smbldap.h" 82 83/********************************************************************** 84 Simple helper function to make stuff better readable 85 **********************************************************************/ 86 87static LDAP *priv2ld(struct ldapsam_privates *priv) 88{ 89 return priv->smbldap_state->ldap_struct; 90} 91 92/********************************************************************** 93 Get the attribute name given a user schame version. 94 **********************************************************************/ 95 96static const char* get_userattr_key2string( int schema_ver, int key ) 97{ 98 switch ( schema_ver ) { 99 case SCHEMAVER_SAMBAACCOUNT: 100 return get_attr_key2string( attrib_map_v22, key ); 101 102 case SCHEMAVER_SAMBASAMACCOUNT: 103 return get_attr_key2string( attrib_map_v30, key ); 104 105 default: 106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n")); 107 break; 108 } 109 return NULL; 110} 111 112/********************************************************************** 113 Return the list of attribute names given a user schema version. 114**********************************************************************/ 115 116const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver ) 117{ 118 switch ( schema_ver ) { 119 case SCHEMAVER_SAMBAACCOUNT: 120 return get_attr_list( mem_ctx, attrib_map_v22 ); 121 122 case SCHEMAVER_SAMBASAMACCOUNT: 123 return get_attr_list( mem_ctx, attrib_map_v30 ); 124 default: 125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n")); 126 break; 127 } 128 129 return NULL; 130} 131 132/************************************************************************** 133 Return the list of attribute names to delete given a user schema version. 134**************************************************************************/ 135 136static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx, 137 int schema_ver ) 138{ 139 switch ( schema_ver ) { 140 case SCHEMAVER_SAMBAACCOUNT: 141 return get_attr_list( mem_ctx, 142 attrib_map_to_delete_v22 ); 143 144 case SCHEMAVER_SAMBASAMACCOUNT: 145 return get_attr_list( mem_ctx, 146 attrib_map_to_delete_v30 ); 147 default: 148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n")); 149 break; 150 } 151 152 return NULL; 153} 154 155 156/******************************************************************* 157 Generate the LDAP search filter for the objectclass based on the 158 version of the schema we are using. 159******************************************************************/ 160 161static const char* get_objclass_filter( int schema_ver ) 162{ 163 static fstring objclass_filter; 164 165 switch( schema_ver ) { 166 case SCHEMAVER_SAMBAACCOUNT: 167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT ); 168 break; 169 case SCHEMAVER_SAMBASAMACCOUNT: 170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT ); 171 break; 172 default: 173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n")); 174 break; 175 } 176 177 return objclass_filter; 178} 179 180/***************************************************************** 181 Scan a sequence number off OpenLDAP's syncrepl contextCSN 182******************************************************************/ 183 184static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num) 185{ 186 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 187 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL; 188 LDAPMessage *msg = NULL; 189 LDAPMessage *entry = NULL; 190 TALLOC_CTX *mem_ctx; 191 char **values = NULL; 192 int rc, num_result, num_values, rid; 193 pstring suffix; 194 fstring tok; 195 const char *p; 196 const char **attrs; 197 198 /* Unfortunatly there is no proper way to detect syncrepl-support in 199 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication 200 * but do not show up in the root-DSE yet. Neither we can query the 201 * subschema-context for the syncProviderSubentry or syncConsumerSubentry 202 * objectclass. Currently we require lp_ldap_suffix() to show up as 203 * namingContext. - Guenther 204 */ 205 206 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) { 207 return ntstatus; 208 } 209 210 if (!seq_num) { 211 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n")); 212 return ntstatus; 213 } 214 215 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) { 216 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s " 217 "as top-level namingContext\n", lp_ldap_suffix())); 218 return ntstatus; 219 } 220 221 mem_ctx = talloc_init("ldapsam_get_seq_num"); 222 223 if (mem_ctx == NULL) 224 return NT_STATUS_NO_MEMORY; 225 226 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) { 227 ntstatus = NT_STATUS_NO_MEMORY; 228 goto done; 229 } 230 231 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */ 232 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1); 233 if (rid > 0) { 234 235 /* consumer syncreplCookie: */ 236 /* csn=20050126161620Z#0000001#00#00000 */ 237 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie"); 238 attrs[1] = NULL; 239 pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix()); 240 241 } else { 242 243 /* provider contextCSN */ 244 /* 20050126161620Z#000009#00#000000 */ 245 attrs[0] = talloc_strdup(mem_ctx, "contextCSN"); 246 attrs[1] = NULL; 247 pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix()); 248 249 } 250 251 rc = smbldap_search(ldap_state->smbldap_state, suffix, 252 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg); 253 254 if (rc != LDAP_SUCCESS) { 255 goto done; 256 } 257 258 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg); 259 if (num_result != 1) { 260 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result)); 261 goto done; 262 } 263 264 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg); 265 if (entry == NULL) { 266 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n")); 267 goto done; 268 } 269 270 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]); 271 if (values == NULL) { 272 DEBUG(3,("ldapsam_get_seq_num: no values\n")); 273 goto done; 274 } 275 276 num_values = ldap_count_values(values); 277 if (num_values == 0) { 278 DEBUG(3,("ldapsam_get_seq_num: not a single value\n")); 279 goto done; 280 } 281 282 p = values[0]; 283 if (!next_token(&p, tok, "#", sizeof(tok))) { 284 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n")); 285 goto done; 286 } 287 288 p = tok; 289 if (!strncmp(p, "csn=", strlen("csn="))) 290 p += strlen("csn="); 291 292 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p)); 293 294 *seq_num = generalized_to_unix_time(p); 295 296 /* very basic sanity check */ 297 if (*seq_num <= 0) { 298 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n", 299 (int)*seq_num)); 300 goto done; 301 } 302 303 ntstatus = NT_STATUS_OK; 304 305 done: 306 if (values != NULL) 307 ldap_value_free(values); 308 if (msg != NULL) 309 ldap_msgfree(msg); 310 if (mem_ctx) 311 talloc_destroy(mem_ctx); 312 313 return ntstatus; 314} 315 316/******************************************************************* 317 Run the search by name. 318******************************************************************/ 319 320int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state, 321 const char *user, 322 LDAPMessage ** result, 323 const char **attr) 324{ 325 pstring filter; 326 char *escape_user = escape_ldap_string_alloc(user); 327 328 if (!escape_user) { 329 return LDAP_NO_MEMORY; 330 } 331 332 /* 333 * in the filter expression, replace %u with the real name 334 * so in ldap filter, %u MUST exist :-) 335 */ 336 pstr_sprintf(filter, "(&%s%s)", "(uid=%u)", 337 get_objclass_filter(ldap_state->schema_ver)); 338 339 /* 340 * have to use this here because $ is filtered out 341 * in pstring_sub 342 */ 343 344 345 all_string_sub(filter, "%u", escape_user, sizeof(pstring)); 346 SAFE_FREE(escape_user); 347 348 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result); 349} 350 351/******************************************************************* 352 Run the search by rid. 353******************************************************************/ 354 355static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state, 356 uint32 rid, LDAPMessage ** result, 357 const char **attr) 358{ 359 pstring filter; 360 int rc; 361 362 pstr_sprintf(filter, "(&(rid=%i)%s)", rid, 363 get_objclass_filter(ldap_state->schema_ver)); 364 365 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result); 366 367 return rc; 368} 369 370/******************************************************************* 371 Run the search by SID. 372******************************************************************/ 373 374static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state, 375 const DOM_SID *sid, LDAPMessage ** result, 376 const char **attr) 377{ 378 pstring filter; 379 int rc; 380 fstring sid_string; 381 382 pstr_sprintf(filter, "(&(%s=%s)%s)", 383 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), 384 sid_to_string(sid_string, sid), 385 get_objclass_filter(ldap_state->schema_ver)); 386 387 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result); 388 389 return rc; 390} 391 392/******************************************************************* 393 Delete complete object or objectclass and attrs from 394 object found in search_result depending on lp_ldap_delete_dn 395******************************************************************/ 396 397static int ldapsam_delete_entry(struct ldapsam_privates *priv, 398 TALLOC_CTX *mem_ctx, 399 LDAPMessage *entry, 400 const char *objectclass, 401 const char **attrs) 402{ 403 LDAPMod **mods = NULL; 404 char *name; 405 const char *dn; 406 BerElement *ptr = NULL; 407 408 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry); 409 if (dn == NULL) { 410 return LDAP_NO_MEMORY; 411 } 412 413 if (lp_ldap_delete_dn()) { 414 return smbldap_delete(priv->smbldap_state, dn); 415 } 416 417 /* Ok, delete only the SAM attributes */ 418 419 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr); 420 name != NULL; 421 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) { 422 const char **attrib; 423 424 /* We are only allowed to delete the attributes that 425 really exist. */ 426 427 for (attrib = attrs; *attrib != NULL; attrib++) { 428 if (strequal(*attrib, name)) { 429 DEBUG(10, ("ldapsam_delete_entry: deleting " 430 "attribute %s\n", name)); 431 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name, 432 NULL); 433 } 434 } 435 ldap_memfree(name); 436 } 437 438 if (ptr != NULL) { 439 ber_free(ptr, 0); 440 } 441 442 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass); 443 talloc_autofree_ldapmod(mem_ctx, mods); 444 445 return smbldap_modify(priv->smbldap_state, dn, mods); 446} 447 448static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry) 449{ 450 pstring temp; 451 struct tm tm; 452 453 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 454 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP), 455 temp)) 456 return (time_t) 0; 457 458 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) { 459 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n", 460 (char*)temp)); 461 return (time_t) 0; 462 } 463 tzset(); 464 return timegm(&tm); 465} 466 467/********************************************************************** 468 Initialize struct samu from an LDAP query. 469 (Based on init_sam_from_buffer in pdb_tdb.c) 470*********************************************************************/ 471 472static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state, 473 struct samu * sampass, 474 LDAPMessage * entry) 475{ 476 time_t logon_time, 477 logoff_time, 478 kickoff_time, 479 pass_last_set_time, 480 pass_can_change_time, 481 pass_must_change_time, 482 ldap_entry_time, 483 bad_password_time; 484 pstring username, 485 domain, 486 nt_username, 487 fullname, 488 homedir, 489 dir_drive, 490 logon_script, 491 profile_path, 492 acct_desc, 493 workstations; 494 char munged_dial[2048]; 495 uint32 user_rid; 496 uint8 smblmpwd[LM_HASH_LEN], 497 smbntpwd[NT_HASH_LEN]; 498 BOOL use_samba_attrs = True; 499 uint32 acct_ctrl = 0; 500 uint16 logon_divs; 501 uint16 bad_password_count = 0, 502 logon_count = 0; 503 uint32 hours_len; 504 uint8 hours[MAX_HOURS_LEN]; 505 pstring temp; 506 LOGIN_CACHE *cache_entry = NULL; 507 uint32 pwHistLen; 508 pstring tmpstring; 509 BOOL expand_explicit = lp_passdb_expand_explicit(); 510 511 /* 512 * do a little initialization 513 */ 514 username[0] = '\0'; 515 domain[0] = '\0'; 516 nt_username[0] = '\0'; 517 fullname[0] = '\0'; 518 homedir[0] = '\0'; 519 dir_drive[0] = '\0'; 520 logon_script[0] = '\0'; 521 profile_path[0] = '\0'; 522 acct_desc[0] = '\0'; 523 munged_dial[0] = '\0'; 524 workstations[0] = '\0'; 525 526 527 if (sampass == NULL || ldap_state == NULL || entry == NULL) { 528 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n")); 529 return False; 530 } 531 532 if (priv2ld(ldap_state) == NULL) { 533 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->" 534 "ldap_struct is NULL!\n")); 535 return False; 536 } 537 538 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid", 539 username)) { 540 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for " 541 "this user!\n")); 542 return False; 543 } 544 545 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username)); 546 547 pstrcpy(nt_username, username); 548 549 pstrcpy(domain, ldap_state->domain_name); 550 551 pdb_set_username(sampass, username, PDB_SET); 552 553 pdb_set_domain(sampass, domain, PDB_DEFAULT); 554 pdb_set_nt_username(sampass, nt_username, PDB_SET); 555 556 /* deal with different attributes between the schema first */ 557 558 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) { 559 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 560 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) { 561 pdb_set_user_sid_from_string(sampass, temp, PDB_SET); 562 } 563 } else { 564 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 565 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) { 566 user_rid = (uint32)atol(temp); 567 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); 568 } 569 } 570 571 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) { 572 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n", 573 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), 574 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), 575 username)); 576 return False; 577 } 578 579 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 580 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) { 581 /* leave as default */ 582 } else { 583 pass_last_set_time = (time_t) atol(temp); 584 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET); 585 } 586 587 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 588 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) { 589 /* leave as default */ 590 } else { 591 logon_time = (time_t) atol(temp); 592 pdb_set_logon_time(sampass, logon_time, PDB_SET); 593 } 594 595 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 596 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) { 597 /* leave as default */ 598 } else { 599 logoff_time = (time_t) atol(temp); 600 pdb_set_logoff_time(sampass, logoff_time, PDB_SET); 601 } 602 603 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 604 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) { 605 /* leave as default */ 606 } else { 607 kickoff_time = (time_t) atol(temp); 608 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET); 609 } 610 611 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 612 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) { 613 /* leave as default */ 614 } else { 615 pass_can_change_time = (time_t) atol(temp); 616 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET); 617 } 618 619 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 620 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) { 621 /* leave as default */ 622 } else { 623 pass_must_change_time = (time_t) atol(temp); 624 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET); 625 } 626 627 /* recommend that 'gecos' and 'displayName' should refer to the same 628 * attribute OID. userFullName depreciated, only used by Samba 629 * primary rules of LDAP: don't make a new attribute when one is already defined 630 * that fits your needs; using cn then displayName rather than 'userFullName' 631 */ 632 633 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 634 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) { 635 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 636 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) { 637 /* leave as default */ 638 } else { 639 pdb_set_fullname(sampass, fullname, PDB_SET); 640 } 641 } else { 642 pdb_set_fullname(sampass, fullname, PDB_SET); 643 } 644 645 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 646 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive)) 647 { 648 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT ); 649 } else { 650 pdb_set_dir_drive(sampass, dir_drive, PDB_SET); 651 } 652 653 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 654 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir)) 655 { 656 pdb_set_homedir( sampass, 657 talloc_sub_basic(sampass, username, domain, 658 lp_logon_home()), 659 PDB_DEFAULT ); 660 } else { 661 pstrcpy( tmpstring, homedir ); 662 if (expand_explicit) { 663 standard_sub_basic( username, domain, tmpstring, 664 sizeof(tmpstring) ); 665 } 666 pdb_set_homedir(sampass, tmpstring, PDB_SET); 667 } 668 669 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 670 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script)) 671 { 672 pdb_set_logon_script( sampass, 673 talloc_sub_basic(sampass, username, domain, 674 lp_logon_script()), 675 PDB_DEFAULT ); 676 } else { 677 pstrcpy( tmpstring, logon_script ); 678 if (expand_explicit) { 679 standard_sub_basic( username, domain, tmpstring, 680 sizeof(tmpstring) ); 681 } 682 pdb_set_logon_script(sampass, tmpstring, PDB_SET); 683 } 684 685 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 686 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path)) 687 { 688 pdb_set_profile_path( sampass, 689 talloc_sub_basic( sampass, username, domain, 690 lp_logon_path()), 691 PDB_DEFAULT ); 692 } else { 693 pstrcpy( tmpstring, profile_path ); 694 if (expand_explicit) { 695 standard_sub_basic( username, domain, tmpstring, 696 sizeof(tmpstring) ); 697 } 698 pdb_set_profile_path(sampass, tmpstring, PDB_SET); 699 } 700 701 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 702 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc)) 703 { 704 /* leave as default */ 705 } else { 706 pdb_set_acct_desc(sampass, acct_desc, PDB_SET); 707 } 708 709 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 710 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) { 711 /* leave as default */; 712 } else { 713 pdb_set_workstations(sampass, workstations, PDB_SET); 714 } 715 716 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry, 717 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) { 718 /* leave as default */; 719 } else { 720 pdb_set_munged_dial(sampass, munged_dial, PDB_SET); 721 } 722 723 /* FIXME: hours stuff should be cleaner */ 724 725 logon_divs = 168; 726 hours_len = 21; 727 memset(hours, 0xff, hours_len); 728 729 if (ldap_state->is_nds_ldap) { 730 char *user_dn; 731 size_t pwd_len; 732 char clear_text_pw[512]; 733 734 /* Make call to Novell eDirectory ldap extension to get clear text password. 735 NOTE: This will only work if we have an SSL connection to eDirectory. */ 736 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry); 737 if (user_dn != NULL) { 738 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn)); 739 740 pwd_len = sizeof(clear_text_pw); 741 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) { 742 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd); 743 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) { 744 SAFE_FREE(user_dn); 745 return False; 746 } 747 ZERO_STRUCT(smblmpwd); 748 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) { 749 SAFE_FREE(user_dn); 750 return False; 751 } 752 ZERO_STRUCT(smbntpwd); 753 use_samba_attrs = False; 754 } 755 756 SAFE_FREE(user_dn); 757 758 } else { 759 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username)); 760 } 761 } 762 763 if (use_samba_attrs) { 764 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry, 765 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) { 766 /* leave as default */ 767 } else { 768 pdb_gethexpwd(temp, smblmpwd); 769 memset((char *)temp, '\0', strlen(temp)+1); 770 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) 771 return False; 772 ZERO_STRUCT(smblmpwd); 773 } 774 775 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry, 776 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) { 777 /* leave as default */ 778 } else { 779 pdb_gethexpwd(temp, smbntpwd); 780 memset((char *)temp, '\0', strlen(temp)+1); 781 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) 782 return False; 783 ZERO_STRUCT(smbntpwd); 784 } 785 } 786 787 pwHistLen = 0; 788 789 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen); 790 if (pwHistLen > 0){ 791 uint8 *pwhist = NULL; 792 int i; 793 char history_string[MAX_PW_HISTORY_LEN*64]; 794 795 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN); 796 797 if ((pwhist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){ 798 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n")); 799 return False; 800 } 801 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN); 802 803 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry, 804 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), 805 history_string, sizeof(history_string))) { 806 /* leave as default - zeros */ 807 } else { 808 BOOL hex_failed = False; 809 for (i = 0; i < pwHistLen; i++){ 810 /* Get the 16 byte salt. */ 811 if (!pdb_gethexpwd(&history_string[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) { 812 hex_failed = True; 813 break; 814 } 815 /* Get the 16 byte MD5 hash of salt+passwd. */ 816 if (!pdb_gethexpwd(&history_string[(i*64)+32], 817 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) { 818 hex_failed = True; 819 break; 820 } 821 } 822 if (hex_failed) { 823 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n", 824 username)); 825 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN); 826 } 827 } 828 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){ 829 SAFE_FREE(pwhist); 830 return False; 831 } 832 SAFE_FREE(pwhist); 833 } 834 835 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry, 836 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) { 837 acct_ctrl |= ACB_NORMAL; 838 } else { 839 acct_ctrl = pdb_decode_acct_ctrl(temp); 840 841 if (acct_ctrl == 0) 842 acct_ctrl |= ACB_NORMAL; 843 844 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET); 845 } 846 847 pdb_set_hours_len(sampass, hours_len, PDB_SET); 848 pdb_set_logon_divs(sampass, logon_divs, PDB_SET); 849 850 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 851 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) { 852 /* leave as default */ 853 } else { 854 bad_password_count = (uint32) atol(temp); 855 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET); 856 } 857 858 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 859 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) { 860 /* leave as default */ 861 } else { 862 bad_password_time = (time_t) atol(temp); 863 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET); 864 } 865 866 867 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 868 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) { 869 /* leave as default */ 870 } else { 871 logon_count = (uint32) atol(temp); 872 pdb_set_logon_count(sampass, logon_count, PDB_SET); 873 } 874 875 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */ 876 877 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 878 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) { 879 /* leave as default */ 880 } else { 881 pdb_gethexhours(temp, hours); 882 memset((char *)temp, '\0', strlen(temp) +1); 883 pdb_set_hours(sampass, hours, PDB_SET); 884 ZERO_STRUCT(hours); 885 } 886 887 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) { 888 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry, 889 "uidNumber", temp)) { 890 /* We've got a uid, feed the cache */ 891 uid_t uid = strtoul(temp, NULL, 10); 892 store_uid_sid_cache(pdb_get_user_sid(sampass), uid); 893 } 894 } 895 896 /* check the timestamp of the cache vs ldap entry */ 897 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state, 898 entry))) 899 return True; 900 901 /* see if we have newer updates */ 902 if (!(cache_entry = login_cache_read(sampass))) { 903 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n", 904 (unsigned int)pdb_get_bad_password_count(sampass), 905 (unsigned int)pdb_get_bad_password_time(sampass))); 906 return True; 907 } 908 909 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n", 910 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp, 911 (unsigned int)cache_entry->bad_password_time)); 912 913 if (ldap_entry_time > cache_entry->entry_timestamp) { 914 /* cache is older than directory , so 915 we need to delete the entry but allow the 916 fields to be written out */ 917 login_cache_delentry(sampass); 918 } else { 919 /* read cache in */ 920 pdb_set_acct_ctrl(sampass, 921 pdb_get_acct_ctrl(sampass) | 922 (cache_entry->acct_ctrl & ACB_AUTOLOCK), 923 PDB_SET); 924 pdb_set_bad_password_count(sampass, 925 cache_entry->bad_password_count, 926 PDB_SET); 927 pdb_set_bad_password_time(sampass, 928 cache_entry->bad_password_time, 929 PDB_SET); 930 } 931 932 SAFE_FREE(cache_entry); 933 return True; 934} 935 936/********************************************************************** 937 Initialize the ldap db from a struct samu. Called on update. 938 (Based on init_buffer_from_sam in pdb_tdb.c) 939*********************************************************************/ 940 941static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state, 942 LDAPMessage *existing, 943 LDAPMod *** mods, struct samu * sampass, 944 BOOL (*need_update)(const struct samu *, 945 enum pdb_elements)) 946{ 947 pstring temp; 948 uint32 rid; 949 950 if (mods == NULL || sampass == NULL) { 951 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n")); 952 return False; 953 } 954 955 *mods = NULL; 956 957 /* 958 * took out adding "objectclass: sambaAccount" 959 * do this on a per-mod basis 960 */ 961 if (need_update(sampass, PDB_USERNAME)) { 962 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 963 "uid", pdb_get_username(sampass)); 964 if (ldap_state->is_nds_ldap) { 965 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 966 "cn", pdb_get_username(sampass)); 967 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 968 "sn", pdb_get_username(sampass)); 969 } 970 } 971 972 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass))); 973 974 /* only update the RID if we actually need to */ 975 if (need_update(sampass, PDB_USERSID)) { 976 fstring sid_string; 977 const DOM_SID *user_sid = pdb_get_user_sid(sampass); 978 979 switch ( ldap_state->schema_ver ) { 980 case SCHEMAVER_SAMBAACCOUNT: 981 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) { 982 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n", 983 sid_string_static(user_sid), 984 sid_string_static(&ldap_state->domain_sid))); 985 return False; 986 } 987 slprintf(temp, sizeof(temp) - 1, "%i", rid); 988 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 989 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), 990 temp); 991 break; 992 993 case SCHEMAVER_SAMBASAMACCOUNT: 994 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 995 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), 996 sid_to_string(sid_string, user_sid)); 997 break; 998 999 default: 1000 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n")); 1001 break; 1002 } 1003 } 1004 1005 /* we don't need to store the primary group RID - so leaving it 1006 'free' to hang off the unix primary group makes life easier */ 1007 1008 if (need_update(sampass, PDB_GROUPSID)) { 1009 fstring sid_string; 1010 const DOM_SID *group_sid = pdb_get_group_sid(sampass); 1011 1012 switch ( ldap_state->schema_ver ) { 1013 case SCHEMAVER_SAMBAACCOUNT: 1014 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) { 1015 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n", 1016 sid_string_static(group_sid), 1017 sid_string_static(&ldap_state->domain_sid))); 1018 return False; 1019 } 1020 1021 slprintf(temp, sizeof(temp) - 1, "%i", rid); 1022 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1023 get_userattr_key2string(ldap_state->schema_ver, 1024 LDAP_ATTR_PRIMARY_GROUP_RID), temp); 1025 break; 1026 1027 case SCHEMAVER_SAMBASAMACCOUNT: 1028 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1029 get_userattr_key2string(ldap_state->schema_ver, 1030 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid)); 1031 break; 1032 1033 default: 1034 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n")); 1035 break; 1036 } 1037 1038 } 1039 1040 /* displayName, cn, and gecos should all be the same 1041 * most easily accomplished by giving them the same OID 1042 * gecos isn't set here b/c it should be handled by the 1043 * add-user script 1044 * We change displayName only and fall back to cn if 1045 * it does not exist. 1046 */ 1047 1048 if (need_update(sampass, PDB_FULLNAME)) 1049 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1050 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), 1051 pdb_get_fullname(sampass)); 1052 1053 if (need_update(sampass, PDB_ACCTDESC)) 1054 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1055 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), 1056 pdb_get_acct_desc(sampass)); 1057 1058 if (need_update(sampass, PDB_WORKSTATIONS)) 1059 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1060 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), 1061 pdb_get_workstations(sampass)); 1062 1063 if (need_update(sampass, PDB_MUNGEDDIAL)) 1064 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1065 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), 1066 pdb_get_munged_dial(sampass)); 1067 1068 if (need_update(sampass, PDB_SMBHOME)) 1069 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1070 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), 1071 pdb_get_homedir(sampass)); 1072 1073 if (need_update(sampass, PDB_DRIVE)) 1074 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1075 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), 1076 pdb_get_dir_drive(sampass)); 1077 1078 if (need_update(sampass, PDB_LOGONSCRIPT)) 1079 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1080 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), 1081 pdb_get_logon_script(sampass)); 1082 1083 if (need_update(sampass, PDB_PROFILE)) 1084 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1085 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), 1086 pdb_get_profile_path(sampass)); 1087 1088 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass)); 1089 if (need_update(sampass, PDB_LOGONTIME)) 1090 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1091 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp); 1092 1093 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass)); 1094 if (need_update(sampass, PDB_LOGOFFTIME)) 1095 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1096 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp); 1097 1098 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass)); 1099 if (need_update(sampass, PDB_KICKOFFTIME)) 1100 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1101 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp); 1102 1103 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time_noncalc(sampass)); 1104 if (need_update(sampass, PDB_CANCHANGETIME)) 1105 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1106 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp); 1107 1108 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass)); 1109 if (need_update(sampass, PDB_MUSTCHANGETIME)) 1110 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1111 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp); 1112 1113 1114 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) 1115 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) { 1116 1117 if (need_update(sampass, PDB_LMPASSWD)) { 1118 const uchar *lm_pw = pdb_get_lanman_passwd(sampass); 1119 if (lm_pw) { 1120 pdb_sethexpwd(temp, lm_pw, 1121 pdb_get_acct_ctrl(sampass)); 1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1123 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), 1124 temp); 1125 } else { 1126 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1127 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), 1128 NULL); 1129 } 1130 } 1131 if (need_update(sampass, PDB_NTPASSWD)) { 1132 const uchar *nt_pw = pdb_get_nt_passwd(sampass); 1133 if (nt_pw) { 1134 pdb_sethexpwd(temp, nt_pw, 1135 pdb_get_acct_ctrl(sampass)); 1136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1137 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), 1138 temp); 1139 } else { 1140 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1141 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), 1142 NULL); 1143 } 1144 } 1145 1146 if (need_update(sampass, PDB_PWHISTORY)) { 1147 uint32 pwHistLen = 0; 1148 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen); 1149 if (pwHistLen == 0) { 1150 /* Remove any password history from the LDAP store. */ 1151 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */ 1152 temp[64] = '\0'; 1153 } else { 1154 int i; 1155 uint32 currHistLen = 0; 1156 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen); 1157 if (pwhist != NULL) { 1158 /* We can only store (sizeof(pstring)-1)/64 password history entries. */ 1159 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64)); 1160 for (i=0; i< pwHistLen && i < currHistLen; i++) { 1161 /* Store the salt. */ 1162 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0); 1163 /* Followed by the md5 hash of salt + md4 hash */ 1164 pdb_sethexpwd(&temp[(i*64)+32], 1165 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0); 1166 DEBUG(100, ("temp=%s\n", temp)); 1167 } 1168 } 1169 } 1170 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1171 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), 1172 temp); 1173 } 1174 1175 if (need_update(sampass, PDB_PASSLASTSET)) { 1176 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass)); 1177 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1178 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), 1179 temp); 1180 } 1181 } 1182 1183 if (need_update(sampass, PDB_HOURS)) { 1184 const uint8 *hours = pdb_get_hours(sampass); 1185 if (hours) { 1186 pdb_sethexhours(temp, hours); 1187 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, 1188 existing, 1189 mods, 1190 get_userattr_key2string(ldap_state->schema_ver, 1191 LDAP_ATTR_LOGON_HOURS), 1192 temp); 1193 } 1194 } 1195 1196 if (need_update(sampass, PDB_ACCTCTRL)) 1197 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods, 1198 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), 1199 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN)); 1200 1201 /* password lockout cache: 1202 - If we are now autolocking or clearing, we write to ldap 1203 - If we are clearing, we delete the cache entry 1204 - If the count is > 0, we update the cache 1205 1206 This even means when autolocking, we cache, just in case the 1207 update doesn't work, and we have to cache the autolock flag */ 1208 1209 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* && 1210 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ { 1211 uint16 badcount = pdb_get_bad_password_count(sampass); 1212 time_t badtime = pdb_get_bad_password_time(sampass); 1213 uint32 pol; 1214 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol); 1215 1216 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n", 1217 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime)); 1218 1219 if ((badcount >= pol) || (badcount == 0)) { 1220 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n", 1221 (unsigned int)badcount, (unsigned int)badtime)); 1222 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount); 1223 smbldap_make_mod( 1224 ldap_state->smbldap_state->ldap_struct, 1225 existing, mods, 1226 get_userattr_key2string( 1227 ldap_state->schema_ver, 1228 LDAP_ATTR_BAD_PASSWORD_COUNT), 1229 temp); 1230 1231 slprintf (temp, sizeof (temp) - 1, "%li", badtime); 1232 smbldap_make_mod( 1233 ldap_state->smbldap_state->ldap_struct, 1234 existing, mods, 1235 get_userattr_key2string( 1236 ldap_state->schema_ver, 1237 LDAP_ATTR_BAD_PASSWORD_TIME), 1238 temp); 1239 } 1240 if (badcount == 0) { 1241 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass))); 1242 login_cache_delentry(sampass); 1243 } else { 1244 LOGIN_CACHE cache_entry; 1245 1246 cache_entry.entry_timestamp = time(NULL); 1247 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass); 1248 cache_entry.bad_password_count = badcount; 1249 cache_entry.bad_password_time = badtime; 1250 1251 DEBUG(7, ("Updating bad password count and time in login cache\n")); 1252 login_cache_write(sampass, cache_entry); 1253 } 1254 } 1255 1256 return True; 1257} 1258 1259/********************************************************************** 1260 Connect to LDAP server for password enumeration. 1261*********************************************************************/ 1262 1263static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask) 1264{ 1265 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 1266 int rc; 1267 pstring filter, suffix; 1268 const char **attr_list; 1269 BOOL machine_mask = False, user_mask = False; 1270 1271 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)", 1272 get_objclass_filter(ldap_state->schema_ver)); 1273 all_string_sub(filter, "%u", "*", sizeof(pstring)); 1274 1275 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))); 1276 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL)); 1277 1278 if (machine_mask) { 1279 pstrcpy(suffix, lp_ldap_machine_suffix()); 1280 } else if (user_mask) { 1281 pstrcpy(suffix, lp_ldap_user_suffix()); 1282 } else { 1283 pstrcpy(suffix, lp_ldap_suffix()); 1284 } 1285 1286 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n", 1287 acb_mask, suffix)); 1288 1289 attr_list = get_userattr_list(NULL, ldap_state->schema_ver); 1290 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter, 1291 attr_list, 0, &ldap_state->result); 1292 TALLOC_FREE( attr_list ); 1293 1294 if (rc != LDAP_SUCCESS) { 1295 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc))); 1296 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter)); 1297 ldap_msgfree(ldap_state->result); 1298 ldap_state->result = NULL; 1299 return NT_STATUS_UNSUCCESSFUL; 1300 } 1301 1302 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n", 1303 ldap_count_entries(ldap_state->smbldap_state->ldap_struct, 1304 ldap_state->result), suffix)); 1305 1306 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, 1307 ldap_state->result); 1308 ldap_state->index = 0; 1309 1310 return NT_STATUS_OK; 1311} 1312 1313/********************************************************************** 1314 End enumeration of the LDAP password list. 1315*********************************************************************/ 1316 1317static void ldapsam_endsampwent(struct pdb_methods *my_methods) 1318{ 1319 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 1320 if (ldap_state->result) { 1321 ldap_msgfree(ldap_state->result); 1322 ldap_state->result = NULL; 1323 } 1324} 1325 1326/********************************************************************** 1327Get the next entry in the LDAP password database. 1328*********************************************************************/ 1329 1330static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods, 1331 struct samu *user) 1332{ 1333 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; 1334 struct ldapsam_privates *ldap_state = 1335 (struct ldapsam_privates *)my_methods->private_data; 1336 BOOL bret = False; 1337 1338 while (!bret) { 1339 if (!ldap_state->entry) 1340 return ret; 1341 1342 ldap_state->index++; 1343 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry); 1344 1345 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state), 1346 ldap_state->entry); 1347 } 1348 1349 return NT_STATUS_OK; 1350} 1351 1352static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list, 1353 const char *new_attr) 1354{ 1355 int i; 1356 1357 if (new_attr == NULL) { 1358 return; 1359 } 1360 1361 for (i=0; (*attr_list)[i] != NULL; i++) { 1362 ; 1363 } 1364 1365 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list), 1366 const char *, i+2); 1367 SMB_ASSERT((*attr_list) != NULL); 1368 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr); 1369 (*attr_list)[i+1] = NULL; 1370} 1371 1372/********************************************************************** 1373Get struct samu entry from LDAP by username. 1374*********************************************************************/ 1375 1376static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname) 1377{ 1378 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; 1379 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 1380 LDAPMessage *result = NULL; 1381 LDAPMessage *entry = NULL; 1382 int count; 1383 const char ** attr_list; 1384 int rc; 1385 1386 attr_list = get_userattr_list( user, ldap_state->schema_ver ); 1387 append_attr(user, &attr_list, 1388 get_userattr_key2string(ldap_state->schema_ver, 1389 LDAP_ATTR_MOD_TIMESTAMP)); 1390 append_attr(user, &attr_list, "uidNumber"); 1391 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, 1392 attr_list); 1393 TALLOC_FREE( attr_list ); 1394 1395 if ( rc != LDAP_SUCCESS ) 1396 return NT_STATUS_NO_SUCH_USER; 1397 1398 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result); 1399 1400 if (count < 1) { 1401 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count)); 1402 ldap_msgfree(result); 1403 return NT_STATUS_NO_SUCH_USER; 1404 } else if (count > 1) { 1405 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count)); 1406 ldap_msgfree(result); 1407 return NT_STATUS_NO_SUCH_USER; 1408 } 1409 1410 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result); 1411 if (entry) { 1412 if (!init_sam_from_ldap(ldap_state, user, entry)) { 1413 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname)); 1414 ldap_msgfree(result); 1415 return NT_STATUS_NO_SUCH_USER; 1416 } 1417 pdb_set_backend_private_data(user, result, NULL, 1418 my_methods, PDB_CHANGED); 1419 talloc_autofree_ldapmsg(user, result); 1420 ret = NT_STATUS_OK; 1421 } else { 1422 ldap_msgfree(result); 1423 } 1424 return ret; 1425} 1426 1427static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state, 1428 const DOM_SID *sid, LDAPMessage **result) 1429{ 1430 int rc = -1; 1431 const char ** attr_list; 1432 uint32 rid; 1433 1434 switch ( ldap_state->schema_ver ) { 1435 case SCHEMAVER_SAMBASAMACCOUNT: { 1436 TALLOC_CTX *tmp_ctx = talloc_new(NULL); 1437 if (tmp_ctx == NULL) { 1438 return LDAP_NO_MEMORY; 1439 } 1440 1441 attr_list = get_userattr_list(tmp_ctx, 1442 ldap_state->schema_ver); 1443 append_attr(tmp_ctx, &attr_list, 1444 get_userattr_key2string( 1445 ldap_state->schema_ver, 1446 LDAP_ATTR_MOD_TIMESTAMP)); 1447 append_attr(tmp_ctx, &attr_list, "uidNumber"); 1448 rc = ldapsam_search_suffix_by_sid(ldap_state, sid, 1449 result, attr_list); 1450 TALLOC_FREE(tmp_ctx); 1451 1452 if ( rc != LDAP_SUCCESS ) 1453 return rc; 1454 break; 1455 } 1456 1457 case SCHEMAVER_SAMBAACCOUNT: 1458 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) { 1459 return rc; 1460 } 1461 1462 attr_list = get_userattr_list(NULL, 1463 ldap_state->schema_ver); 1464 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list ); 1465 TALLOC_FREE( attr_list ); 1466 1467 if ( rc != LDAP_SUCCESS ) 1468 return rc; 1469 break; 1470 } 1471 return rc; 1472} 1473 1474/********************************************************************** 1475 Get struct samu entry from LDAP by SID. 1476*********************************************************************/ 1477 1478static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid) 1479{ 1480 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 1481 LDAPMessage *result = NULL; 1482 LDAPMessage *entry = NULL; 1483 int count; 1484 int rc; 1485 fstring sid_string; 1486 1487 rc = ldapsam_get_ldap_user_by_sid(ldap_state, 1488 sid, &result); 1489 if (rc != LDAP_SUCCESS) 1490 return NT_STATUS_NO_SUCH_USER; 1491 1492 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result); 1493 1494 if (count < 1) { 1495 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid), 1496 count)); 1497 ldap_msgfree(result); 1498 return NT_STATUS_NO_SUCH_USER; 1499 } else if (count > 1) { 1500 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid), 1501 count)); 1502 ldap_msgfree(result); 1503 return NT_STATUS_NO_SUCH_USER; 1504 } 1505 1506 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result); 1507 if (!entry) { 1508 ldap_msgfree(result); 1509 return NT_STATUS_NO_SUCH_USER; 1510 } 1511 1512 if (!init_sam_from_ldap(ldap_state, user, entry)) { 1513 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n")); 1514 ldap_msgfree(result); 1515 return NT_STATUS_NO_SUCH_USER; 1516 } 1517 1518 pdb_set_backend_private_data(user, result, NULL, 1519 my_methods, PDB_CHANGED); 1520 talloc_autofree_ldapmsg(user, result); 1521 return NT_STATUS_OK; 1522} 1523 1524/******************************************************************** 1525 Do the actual modification - also change a plaintext passord if 1526 it it set. 1527**********************************************************************/ 1528 1529static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods, 1530 struct samu *newpwd, char *dn, 1531 LDAPMod **mods, int ldap_op, 1532 BOOL (*need_update)(const struct samu *, enum pdb_elements)) 1533{ 1534 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 1535 int rc; 1536 1537 if (!newpwd || !dn) { 1538 return NT_STATUS_INVALID_PARAMETER; 1539 } 1540 1541 if (!mods) { 1542 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n")); 1543 /* may be password change below however */ 1544 } else { 1545 switch(ldap_op) { 1546 case LDAP_MOD_ADD: 1547 if (ldap_state->is_nds_ldap) { 1548 smbldap_set_mod(&mods, LDAP_MOD_ADD, 1549 "objectclass", 1550 "inetOrgPerson"); 1551 } else { 1552 smbldap_set_mod(&mods, LDAP_MOD_ADD, 1553 "objectclass", 1554 LDAP_OBJ_ACCOUNT); 1555 } 1556 rc = smbldap_add(ldap_state->smbldap_state, 1557 dn, mods); 1558 break; 1559 case LDAP_MOD_REPLACE: 1560 rc = smbldap_modify(ldap_state->smbldap_state, 1561 dn ,mods); 1562 break; 1563 default: 1564 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n", 1565 ldap_op)); 1566 return NT_STATUS_INVALID_PARAMETER; 1567 } 1568 1569 if (rc!=LDAP_SUCCESS) { 1570 return NT_STATUS_UNSUCCESSFUL; 1571 } 1572 } 1573 1574 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) && 1575 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) && 1576 need_update(newpwd, PDB_PLAINTEXT_PW) && 1577 (pdb_get_plaintext_passwd(newpwd)!=NULL)) { 1578 BerElement *ber; 1579 struct berval *bv; 1580 char *retoid = NULL; 1581 struct berval *retdata = NULL; 1582 char *utf8_password; 1583 char *utf8_dn; 1584 1585 if (!ldap_state->is_nds_ldap) { 1586 1587 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct, 1588 LDAP_EXOP_MODIFY_PASSWD)) { 1589 DEBUG(2, ("ldap password change requested, but LDAP " 1590 "server does not support it -- ignoring\n")); 1591 return NT_STATUS_OK; 1592 } 1593 } 1594 1595 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) { 1596 return NT_STATUS_NO_MEMORY; 1597 } 1598 1599 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) { 1600 SAFE_FREE(utf8_password); 1601 return NT_STATUS_NO_MEMORY; 1602 } 1603 1604 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) { 1605 DEBUG(0,("ber_alloc_t returns NULL\n")); 1606 SAFE_FREE(utf8_password); 1607 SAFE_FREE(utf8_dn); 1608 return NT_STATUS_UNSUCCESSFUL; 1609 } 1610 1611 ber_printf (ber, "{"); 1612 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn); 1613 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password); 1614 ber_printf (ber, "N}"); 1615 1616 if ((rc = ber_flatten (ber, &bv))<0) { 1617 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n")); 1618 ber_free(ber,1); 1619 SAFE_FREE(utf8_dn); 1620 SAFE_FREE(utf8_password); 1621 return NT_STATUS_UNSUCCESSFUL; 1622 } 1623 1624 SAFE_FREE(utf8_dn); 1625 SAFE_FREE(utf8_password); 1626 ber_free(ber, 1); 1627 1628 if (!ldap_state->is_nds_ldap) { 1629 rc = smbldap_extended_operation(ldap_state->smbldap_state, 1630 LDAP_EXOP_MODIFY_PASSWD, 1631 bv, NULL, NULL, &retoid, 1632 &retdata); 1633 } else { 1634 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn, 1635 pdb_get_plaintext_passwd(newpwd)); 1636 } 1637 if (rc != LDAP_SUCCESS) { 1638 char *ld_error = NULL; 1639 1640 if (rc == LDAP_OBJECT_CLASS_VIOLATION) { 1641 DEBUG(3, ("Could not set userPassword " 1642 "attribute due to an objectClass " 1643 "violation -- ignoring\n")); 1644 ber_bvfree(bv); 1645 return NT_STATUS_OK; 1646 } 1647 1648 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, 1649 &ld_error); 1650 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n", 1651 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown")); 1652 SAFE_FREE(ld_error); 1653 ber_bvfree(bv); 1654 return NT_STATUS_UNSUCCESSFUL; 1655 } else { 1656 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd))); 1657#ifdef DEBUG_PASSWORD 1658 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd))); 1659#endif 1660 if (retdata) 1661 ber_bvfree(retdata); 1662 if (retoid) 1663 ldap_memfree(retoid); 1664 } 1665 ber_bvfree(bv); 1666 } 1667 return NT_STATUS_OK; 1668} 1669 1670/********************************************************************** 1671 Delete entry from LDAP for username. 1672*********************************************************************/ 1673 1674static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, 1675 struct samu * sam_acct) 1676{ 1677 struct ldapsam_privates *priv = 1678 (struct ldapsam_privates *)my_methods->private_data; 1679 const char *sname; 1680 int rc; 1681 LDAPMessage *msg, *entry; 1682 NTSTATUS result = NT_STATUS_NO_MEMORY; 1683 const char **attr_list; 1684 TALLOC_CTX *mem_ctx; 1685 1686 if (!sam_acct) { 1687 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n")); 1688 return NT_STATUS_INVALID_PARAMETER; 1689 } 1690 1691 sname = pdb_get_username(sam_acct); 1692 1693 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from " 1694 "LDAP.\n", sname)); 1695 1696 mem_ctx = talloc_new(NULL); 1697 if (mem_ctx == NULL) { 1698 DEBUG(0, ("talloc_new failed\n")); 1699 goto done; 1700 } 1701 1702 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver ); 1703 if (attr_list == NULL) { 1704 goto done; 1705 } 1706 1707 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list); 1708 1709 if ((rc != LDAP_SUCCESS) || 1710 (ldap_count_entries(priv2ld(priv), msg) != 1) || 1711 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) { 1712 DEBUG(5, ("Could not find user %s\n", sname)); 1713 result = NT_STATUS_NO_SUCH_USER; 1714 goto done; 1715 } 1716 1717 rc = ldapsam_delete_entry( 1718 priv, mem_ctx, entry, 1719 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ? 1720 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT, 1721 attr_list); 1722 1723 result = (rc == LDAP_SUCCESS) ? 1724 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED; 1725 1726 done: 1727 TALLOC_FREE(mem_ctx); 1728 return result; 1729} 1730 1731/********************************************************************** 1732 Helper function to determine for update_sam_account whether 1733 we need LDAP modification. 1734*********************************************************************/ 1735 1736static BOOL element_is_changed(const struct samu *sampass, 1737 enum pdb_elements element) 1738{ 1739 return IS_SAM_CHANGED(sampass, element); 1740} 1741 1742/********************************************************************** 1743 Update struct samu. 1744*********************************************************************/ 1745 1746static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd) 1747{ 1748 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; 1749 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 1750 int rc = 0; 1751 char *dn; 1752 LDAPMessage *result = NULL; 1753 LDAPMessage *entry = NULL; 1754 LDAPMod **mods = NULL; 1755 const char **attr_list; 1756 1757 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods); 1758 if (!result) { 1759 attr_list = get_userattr_list(NULL, ldap_state->schema_ver); 1760 if (pdb_get_username(newpwd) == NULL) { 1761 return NT_STATUS_INVALID_PARAMETER; 1762 } 1763 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list ); 1764 TALLOC_FREE( attr_list ); 1765 if (rc != LDAP_SUCCESS) { 1766 return NT_STATUS_UNSUCCESSFUL; 1767 } 1768 pdb_set_backend_private_data(newpwd, result, NULL, 1769 my_methods, PDB_CHANGED); 1770 talloc_autofree_ldapmsg(newpwd, result); 1771 } 1772 1773 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) { 1774 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n")); 1775 return NT_STATUS_UNSUCCESSFUL; 1776 } 1777 1778 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result); 1779 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry); 1780 if (!dn) { 1781 return NT_STATUS_UNSUCCESSFUL; 1782 } 1783 1784 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn)); 1785 1786 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd, 1787 element_is_changed)) { 1788 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n")); 1789 SAFE_FREE(dn); 1790 if (mods != NULL) 1791 ldap_mods_free(mods,True); 1792 return NT_STATUS_UNSUCCESSFUL; 1793 } 1794 1795 if (mods == NULL) { 1796 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n", 1797 pdb_get_username(newpwd))); 1798 SAFE_FREE(dn); 1799 return NT_STATUS_OK; 1800 } 1801 1802 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed); 1803 ldap_mods_free(mods,True); 1804 SAFE_FREE(dn); 1805 1806 /* 1807 * We need to set the backend private data to NULL here. For example 1808 * setuserinfo level 25 does a pdb_update_sam_account twice on the 1809 * same one, and with the explicit delete / add logic for attribute 1810 * values the second time we would use the wrong "old" value which 1811 * does not exist in LDAP anymore. Thus the LDAP server would refuse 1812 * the update. 1813 * The existing LDAPMessage is still being auto-freed by the 1814 * destructor. 1815 */ 1816 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods, 1817 PDB_CHANGED); 1818 1819 if (!NT_STATUS_IS_OK(ret)) { 1820 return ret; 1821 } 1822 1823 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n", 1824 pdb_get_username(newpwd))); 1825 return NT_STATUS_OK; 1826} 1827 1828/*************************************************************************** 1829 Renames a struct samu 1830 - The "rename user script" has full responsibility for changing everything 1831***************************************************************************/ 1832 1833static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods, 1834 struct samu *old_acct, 1835 const char *newname) 1836{ 1837 const char *oldname; 1838 int rc; 1839 pstring rename_script; 1840 fstring oldname_lower, newname_lower; 1841 1842 if (!old_acct) { 1843 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n")); 1844 return NT_STATUS_INVALID_PARAMETER; 1845 } 1846 if (!newname) { 1847 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n")); 1848 return NT_STATUS_INVALID_PARAMETER; 1849 } 1850 1851 oldname = pdb_get_username(old_acct); 1852 1853 /* rename the posix user */ 1854 pstrcpy(rename_script, lp_renameuser_script()); 1855 1856 if (!(*rename_script)) 1857 return NT_STATUS_ACCESS_DENIED; 1858 1859 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n", 1860 oldname, newname)); 1861 1862 /* We have to allow the account name to end with a '$'. 1863 Also, follow the semantics in _samr_create_user() and lower case the 1864 posix name but preserve the case in passdb */ 1865 1866 fstrcpy( oldname_lower, oldname ); 1867 strlower_m( oldname_lower ); 1868 fstrcpy( newname_lower, newname ); 1869 strlower_m( newname_lower ); 1870 string_sub2(rename_script, "%unew", newname_lower, sizeof(pstring), 1871 True, False, True); 1872 string_sub2(rename_script, "%uold", oldname_lower, sizeof(pstring), 1873 True, False, True); 1874 rc = smbrun(rename_script, NULL); 1875 1876 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n", 1877 rename_script, rc)); 1878 1879 if (rc == 0) { 1880 smb_nscd_flush_user_cache(); 1881 } 1882 1883 if (rc) 1884 return NT_STATUS_UNSUCCESSFUL; 1885 1886 return NT_STATUS_OK; 1887} 1888 1889/********************************************************************** 1890 Helper function to determine for update_sam_account whether 1891 we need LDAP modification. 1892 *********************************************************************/ 1893 1894static BOOL element_is_set_or_changed(const struct samu *sampass, 1895 enum pdb_elements element) 1896{ 1897 return (IS_SAM_SET(sampass, element) || 1898 IS_SAM_CHANGED(sampass, element)); 1899} 1900 1901/********************************************************************** 1902 Add struct samu to LDAP. 1903*********************************************************************/ 1904 1905static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd) 1906{ 1907 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; 1908 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 1909 int rc; 1910 LDAPMessage *result = NULL; 1911 LDAPMessage *entry = NULL; 1912 pstring dn; 1913 LDAPMod **mods = NULL; 1914 int ldap_op = LDAP_MOD_REPLACE; 1915 uint32 num_result; 1916 const char **attr_list; 1917 char *escape_user; 1918 const char *username = pdb_get_username(newpwd); 1919 const DOM_SID *sid = pdb_get_user_sid(newpwd); 1920 pstring filter; 1921 fstring sid_string; 1922 1923 if (!username || !*username) { 1924 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n")); 1925 return NT_STATUS_INVALID_PARAMETER; 1926 } 1927 1928 /* free this list after the second search or in case we exit on failure */ 1929 attr_list = get_userattr_list(NULL, ldap_state->schema_ver); 1930 1931 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list); 1932 1933 if (rc != LDAP_SUCCESS) { 1934 TALLOC_FREE( attr_list ); 1935 return NT_STATUS_UNSUCCESSFUL; 1936 } 1937 1938 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) { 1939 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n", 1940 username)); 1941 ldap_msgfree(result); 1942 TALLOC_FREE( attr_list ); 1943 return NT_STATUS_UNSUCCESSFUL; 1944 } 1945 ldap_msgfree(result); 1946 result = NULL; 1947 1948 if (element_is_set_or_changed(newpwd, PDB_USERSID)) { 1949 rc = ldapsam_get_ldap_user_by_sid(ldap_state, 1950 sid, &result); 1951 if (rc == LDAP_SUCCESS) { 1952 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) { 1953 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n", 1954 sid_to_string(sid_string, sid))); 1955 TALLOC_FREE( attr_list ); 1956 ldap_msgfree(result); 1957 return NT_STATUS_UNSUCCESSFUL; 1958 } 1959 ldap_msgfree(result); 1960 } 1961 } 1962 1963 /* does the entry already exist but without a samba attributes? 1964 we need to return the samba attributes here */ 1965 1966 escape_user = escape_ldap_string_alloc( username ); 1967 pstrcpy( filter, "(uid=%u)" ); 1968 all_string_sub( filter, "%u", escape_user, sizeof(filter) ); 1969 SAFE_FREE( escape_user ); 1970 1971 rc = smbldap_search_suffix(ldap_state->smbldap_state, 1972 filter, attr_list, &result); 1973 if ( rc != LDAP_SUCCESS ) { 1974 TALLOC_FREE( attr_list ); 1975 return NT_STATUS_UNSUCCESSFUL; 1976 } 1977 1978 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result); 1979 1980 if (num_result > 1) { 1981 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n")); 1982 TALLOC_FREE( attr_list ); 1983 ldap_msgfree(result); 1984 return NT_STATUS_UNSUCCESSFUL; 1985 } 1986 1987 /* Check if we need to update an existing entry */ 1988 if (num_result == 1) { 1989 char *tmp; 1990 1991 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n")); 1992 ldap_op = LDAP_MOD_REPLACE; 1993 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result); 1994 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry); 1995 if (!tmp) { 1996 TALLOC_FREE( attr_list ); 1997 ldap_msgfree(result); 1998 return NT_STATUS_UNSUCCESSFUL; 1999 } 2000 slprintf (dn, sizeof (dn) - 1, "%s", tmp); 2001 SAFE_FREE(tmp); 2002 2003 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) { 2004 2005 /* There might be a SID for this account already - say an idmap entry */ 2006 2007 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))", 2008 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), 2009 sid_to_string(sid_string, sid), 2010 LDAP_OBJ_IDMAP_ENTRY, 2011 LDAP_OBJ_SID_ENTRY); 2012 2013 /* free old result before doing a new search */ 2014 if (result != NULL) { 2015 ldap_msgfree(result); 2016 result = NULL; 2017 } 2018 rc = smbldap_search_suffix(ldap_state->smbldap_state, 2019 filter, attr_list, &result); 2020 2021 if ( rc != LDAP_SUCCESS ) { 2022 TALLOC_FREE( attr_list ); 2023 return NT_STATUS_UNSUCCESSFUL; 2024 } 2025 2026 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result); 2027 2028 if (num_result > 1) { 2029 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n")); 2030 TALLOC_FREE( attr_list ); 2031 ldap_msgfree(result); 2032 return NT_STATUS_UNSUCCESSFUL; 2033 } 2034 2035 /* Check if we need to update an existing entry */ 2036 if (num_result == 1) { 2037 char *tmp; 2038 2039 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n")); 2040 ldap_op = LDAP_MOD_REPLACE; 2041 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result); 2042 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry); 2043 if (!tmp) { 2044 TALLOC_FREE( attr_list ); 2045 ldap_msgfree(result); 2046 return NT_STATUS_UNSUCCESSFUL; 2047 } 2048 slprintf (dn, sizeof (dn) - 1, "%s", tmp); 2049 SAFE_FREE(tmp); 2050 } 2051 } 2052 2053 TALLOC_FREE( attr_list ); 2054 2055 if (num_result == 0) { 2056 char *escape_username; 2057 /* Check if we need to add an entry */ 2058 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n")); 2059 ldap_op = LDAP_MOD_ADD; 2060 2061 escape_username = escape_rdn_val_string_alloc(username); 2062 if (!escape_username) { 2063 DEBUG(0, ("Out of memory!\n")); 2064 ldap_msgfree(result); 2065 return NT_STATUS_NO_MEMORY; 2066 } 2067 2068 if (username[strlen(username)-1] == '$') { 2069 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", escape_username, lp_ldap_machine_suffix ()); 2070 } else { 2071 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", escape_username, lp_ldap_user_suffix ()); 2072 } 2073 2074 SAFE_FREE(escape_username); 2075 } 2076 2077 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd, 2078 element_is_set_or_changed)) { 2079 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n")); 2080 ldap_msgfree(result); 2081 if (mods != NULL) 2082 ldap_mods_free(mods,True); 2083 return NT_STATUS_UNSUCCESSFUL; 2084 } 2085 2086 ldap_msgfree(result); 2087 2088 if (mods == NULL) { 2089 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd))); 2090 return NT_STATUS_UNSUCCESSFUL; 2091 } 2092 switch ( ldap_state->schema_ver ) { 2093 case SCHEMAVER_SAMBAACCOUNT: 2094 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT); 2095 break; 2096 case SCHEMAVER_SAMBASAMACCOUNT: 2097 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT); 2098 break; 2099 default: 2100 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n")); 2101 break; 2102 } 2103 2104 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed); 2105 if (!NT_STATUS_IS_OK(ret)) { 2106 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n", 2107 pdb_get_username(newpwd),dn)); 2108 ldap_mods_free(mods, True); 2109 return ret; 2110 } 2111 2112 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd))); 2113 ldap_mods_free(mods, True); 2114 2115 return NT_STATUS_OK; 2116} 2117 2118/********************************************************************** 2119 *********************************************************************/ 2120 2121static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state, 2122 const char *filter, 2123 LDAPMessage ** result) 2124{ 2125 int scope = LDAP_SCOPE_SUBTREE; 2126 int rc; 2127 const char **attr_list; 2128 2129 attr_list = get_attr_list(NULL, groupmap_attr_list); 2130 rc = smbldap_search(ldap_state->smbldap_state, 2131 lp_ldap_group_suffix (), scope, 2132 filter, attr_list, 0, result); 2133 TALLOC_FREE(attr_list); 2134 2135 return rc; 2136} 2137 2138/********************************************************************** 2139 *********************************************************************/ 2140 2141static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state, 2142 GROUP_MAP *map, LDAPMessage *entry) 2143{ 2144 pstring temp; 2145 2146 if (ldap_state == NULL || map == NULL || entry == NULL || 2147 ldap_state->smbldap_state->ldap_struct == NULL) { 2148 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n")); 2149 return False; 2150 } 2151 2152 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 2153 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) { 2154 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n", 2155 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER))); 2156 return False; 2157 } 2158 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp)); 2159 2160 map->gid = (gid_t)atol(temp); 2161 2162 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 2163 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) { 2164 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n", 2165 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID))); 2166 return False; 2167 } 2168 2169 if (!string_to_sid(&map->sid, temp)) { 2170 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp)); 2171 return False; 2172 } 2173 2174 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 2175 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) { 2176 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n", 2177 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE))); 2178 return False; 2179 } 2180 map->sid_name_use = (enum lsa_SidType)atol(temp); 2181 2182 if ((map->sid_name_use < SID_NAME_USER) || 2183 (map->sid_name_use > SID_NAME_UNKNOWN)) { 2184 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use)); 2185 return False; 2186 } 2187 2188 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 2189 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) { 2190 temp[0] = '\0'; 2191 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 2192 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp)) 2193 { 2194 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \ 2195for gidNumber(%lu)\n",(unsigned long)map->gid)); 2196 return False; 2197 } 2198 } 2199 fstrcpy(map->nt_name, temp); 2200 2201 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, 2202 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) { 2203 temp[0] = '\0'; 2204 } 2205 fstrcpy(map->comment, temp); 2206 2207 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) { 2208 store_gid_sid_cache(&map->sid, map->gid); 2209 } 2210 2211 return True; 2212} 2213 2214/********************************************************************** 2215 *********************************************************************/ 2216 2217static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods, 2218 const char *filter, 2219 GROUP_MAP *map) 2220{ 2221 struct ldapsam_privates *ldap_state = 2222 (struct ldapsam_privates *)methods->private_data; 2223 LDAPMessage *result = NULL; 2224 LDAPMessage *entry = NULL; 2225 int count; 2226 2227 if (ldapsam_search_one_group(ldap_state, filter, &result) 2228 != LDAP_SUCCESS) { 2229 return NT_STATUS_NO_SUCH_GROUP; 2230 } 2231 2232 count = ldap_count_entries(priv2ld(ldap_state), result); 2233 2234 if (count < 1) { 2235 DEBUG(4, ("ldapsam_getgroup: Did not find group\n")); 2236 ldap_msgfree(result); 2237 return NT_STATUS_NO_SUCH_GROUP; 2238 } 2239 2240 if (count > 1) { 2241 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: " 2242 "count=%d\n", filter, count)); 2243 ldap_msgfree(result); 2244 return NT_STATUS_NO_SUCH_GROUP; 2245 } 2246 2247 entry = ldap_first_entry(priv2ld(ldap_state), result); 2248 2249 if (!entry) { 2250 ldap_msgfree(result); 2251 return NT_STATUS_UNSUCCESSFUL; 2252 } 2253 2254 if (!init_group_from_ldap(ldap_state, map, entry)) { 2255 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for " 2256 "group filter %s\n", filter)); 2257 ldap_msgfree(result); 2258 return NT_STATUS_NO_SUCH_GROUP; 2259 } 2260 2261 ldap_msgfree(result); 2262 return NT_STATUS_OK; 2263} 2264 2265/********************************************************************** 2266 *********************************************************************/ 2267 2268static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map, 2269 DOM_SID sid) 2270{ 2271 pstring filter; 2272 2273 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))", 2274 LDAP_OBJ_GROUPMAP, 2275 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID), 2276 sid_string_static(&sid)); 2277 2278 return ldapsam_getgroup(methods, filter, map); 2279} 2280 2281/********************************************************************** 2282 *********************************************************************/ 2283 2284static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map, 2285 gid_t gid) 2286{ 2287 pstring filter; 2288 2289 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))", 2290 LDAP_OBJ_GROUPMAP, 2291 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), 2292 (unsigned long)gid); 2293 2294 return ldapsam_getgroup(methods, filter, map); 2295} 2296 2297/********************************************************************** 2298 *********************************************************************/ 2299 2300static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map, 2301 const char *name) 2302{ 2303 pstring filter; 2304 char *escape_name = escape_ldap_string_alloc(name); 2305 2306 if (!escape_name) { 2307 return NT_STATUS_NO_MEMORY; 2308 } 2309 2310 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))", 2311 LDAP_OBJ_GROUPMAP, 2312 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name, 2313 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name); 2314 2315 SAFE_FREE(escape_name); 2316 2317 return ldapsam_getgroup(methods, filter, map); 2318} 2319 2320static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct, 2321 LDAPMessage *entry, 2322 const DOM_SID *domain_sid, 2323 uint32 *rid) 2324{ 2325 fstring str; 2326 DOM_SID sid; 2327 2328 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID", 2329 str, sizeof(str)-1)) { 2330 DEBUG(10, ("Could not find sambaSID attribute\n")); 2331 return False; 2332 } 2333 2334 if (!string_to_sid(&sid, str)) { 2335 DEBUG(10, ("Could not convert string %s to sid\n", str)); 2336 return False; 2337 } 2338 2339 if (sid_compare_domain(&sid, domain_sid) != 0) { 2340 DEBUG(10, ("SID %s is not in expected domain %s\n", 2341 str, sid_string_static(domain_sid))); 2342 return False; 2343 } 2344 2345 if (!sid_peek_rid(&sid, rid)) { 2346 DEBUG(10, ("Could not peek into RID\n")); 2347 return False; 2348 } 2349 2350 return True; 2351} 2352 2353static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods, 2354 TALLOC_CTX *mem_ctx, 2355 const DOM_SID *group, 2356 uint32 **pp_member_rids, 2357 size_t *p_num_members) 2358{ 2359 struct ldapsam_privates *ldap_state = 2360 (struct ldapsam_privates *)methods->private_data; 2361 struct smbldap_state *conn = ldap_state->smbldap_state; 2362 const char *id_attrs[] = { "memberUid", "gidNumber", NULL }; 2363 const char *sid_attrs[] = { "sambaSID", NULL }; 2364 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; 2365 LDAPMessage *result = NULL; 2366 LDAPMessage *entry; 2367 char *filter; 2368 char **values = NULL; 2369 char **memberuid; 2370 char *gidstr; 2371 int rc, count; 2372 2373 *pp_member_rids = NULL; 2374 *p_num_members = 0; 2375 2376 filter = talloc_asprintf(mem_ctx, 2377 "(&(objectClass=%s)" 2378 "(objectClass=%s)" 2379 "(sambaSID=%s))", 2380 LDAP_OBJ_POSIXGROUP, 2381 LDAP_OBJ_GROUPMAP, 2382 sid_string_static(group)); 2383 if (filter == NULL) { 2384 ret = NT_STATUS_NO_MEMORY; 2385 goto done; 2386 } 2387 2388 rc = smbldap_search(conn, lp_ldap_group_suffix(), 2389 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0, 2390 &result); 2391 2392 if (rc != LDAP_SUCCESS) 2393 goto done; 2394 2395 talloc_autofree_ldapmsg(mem_ctx, result); 2396 2397 count = ldap_count_entries(conn->ldap_struct, result); 2398 2399 if (count > 1) { 2400 DEBUG(1, ("Found more than one groupmap entry for %s\n", 2401 sid_string_static(group))); 2402 ret = NT_STATUS_INTERNAL_DB_CORRUPTION; 2403 goto done; 2404 } 2405 2406 if (count == 0) { 2407 ret = NT_STATUS_NO_SUCH_GROUP; 2408 goto done; 2409 } 2410 2411 entry = ldap_first_entry(conn->ldap_struct, result); 2412 if (entry == NULL) 2413 goto done; 2414 2415 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx); 2416 if (!gidstr) { 2417 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n")); 2418 ret = NT_STATUS_INTERNAL_DB_CORRUPTION; 2419 goto done; 2420 } 2421 2422 values = ldap_get_values(conn->ldap_struct, entry, "memberUid"); 2423 2424 if (values) { 2425 2426 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT); 2427 if (filter == NULL) { 2428 ret = NT_STATUS_NO_MEMORY; 2429 goto done; 2430 } 2431 2432 for (memberuid = values; *memberuid != NULL; memberuid += 1) { 2433 char *escape_memberuid; 2434 2435 escape_memberuid = escape_ldap_string_alloc(*memberuid); 2436 if (escape_memberuid == NULL) { 2437 ret = NT_STATUS_NO_MEMORY; 2438 goto done; 2439 } 2440 2441 filter = talloc_asprintf_append(filter, "(uid=%s)", escape_memberuid); 2442 if (filter == NULL) { 2443 SAFE_FREE(escape_memberuid); 2444 ret = NT_STATUS_NO_MEMORY; 2445 goto done; 2446 } 2447 2448 SAFE_FREE(escape_memberuid); 2449 } 2450 2451 filter = talloc_asprintf_append(filter, "))"); 2452 if (filter == NULL) { 2453 ret = NT_STATUS_NO_MEMORY; 2454 goto done; 2455 } 2456 2457 rc = smbldap_search(conn, lp_ldap_user_suffix(), 2458 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0, 2459 &result); 2460 2461 if (rc != LDAP_SUCCESS) 2462 goto done; 2463 2464 count = ldap_count_entries(conn->ldap_struct, result); 2465 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count)); 2466 2467 talloc_autofree_ldapmsg(mem_ctx, result); 2468 2469 for (entry = ldap_first_entry(conn->ldap_struct, result); 2470 entry != NULL; 2471 entry = ldap_next_entry(conn->ldap_struct, entry)) 2472 { 2473 char *sidstr; 2474 DOM_SID sid; 2475 uint32 rid; 2476 2477 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct, 2478 entry, "sambaSID", 2479 mem_ctx); 2480 if (!sidstr) { 2481 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss " 2482 "the sambaSID attribute\n")); 2483 ret = NT_STATUS_INTERNAL_DB_CORRUPTION; 2484 goto done; 2485 } 2486 2487 if (!string_to_sid(&sid, sidstr)) 2488 goto done; 2489 2490 if (!sid_check_is_in_our_domain(&sid)) { 2491 DEBUG(0, ("Inconsistent SAM -- group member uid not " 2492 "in our domain\n")); 2493 ret = NT_STATUS_INTERNAL_DB_CORRUPTION; 2494 goto done; 2495 } 2496 2497 sid_peek_rid(&sid, &rid); 2498 2499 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids, 2500 p_num_members)) { 2501 ret = NT_STATUS_NO_MEMORY; 2502 goto done; 2503 } 2504 } 2505 } 2506 2507 filter = talloc_asprintf(mem_ctx, 2508 "(&(objectClass=%s)" 2509 "(gidNumber=%s))", 2510 LDAP_OBJ_SAMBASAMACCOUNT, 2511 gidstr); 2512 2513 rc = smbldap_search(conn, lp_ldap_user_suffix(), 2514 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0, 2515 &result); 2516 2517 if (rc != LDAP_SUCCESS) 2518 goto done; 2519 2520 talloc_autofree_ldapmsg(mem_ctx, result); 2521 2522 for (entry = ldap_first_entry(conn->ldap_struct, result); 2523 entry != NULL; 2524 entry = ldap_next_entry(conn->ldap_struct, entry)) 2525 { 2526 uint32 rid; 2527 2528 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct, 2529 entry, 2530 get_global_sam_sid(), 2531 &rid)) { 2532 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss " 2533 "the sambaSID attribute\n")); 2534 ret = NT_STATUS_INTERNAL_DB_CORRUPTION; 2535 goto done; 2536 } 2537 2538 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids, 2539 p_num_members)) { 2540 ret = NT_STATUS_NO_MEMORY; 2541 goto done; 2542 } 2543 } 2544 2545 ret = NT_STATUS_OK; 2546 2547 done: 2548 2549 if (values) 2550 ldap_value_free(values); 2551 2552 return ret; 2553} 2554 2555static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods, 2556 TALLOC_CTX *mem_ctx, 2557 struct samu *user, 2558 DOM_SID **pp_sids, 2559 gid_t **pp_gids, 2560 size_t *p_num_groups) 2561{ 2562 struct ldapsam_privates *ldap_state = 2563 (struct ldapsam_privates *)methods->private_data; 2564 struct smbldap_state *conn = ldap_state->smbldap_state; 2565 char *filter; 2566 const char *attrs[] = { "gidNumber", "sambaSID", NULL }; 2567 char *escape_name; 2568 int rc, count; 2569 LDAPMessage *result = NULL; 2570 LDAPMessage *entry; 2571 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; 2572 size_t num_sids, num_gids; 2573 char *gidstr; 2574 gid_t primary_gid = -1; 2575 2576 *pp_sids = NULL; 2577 num_sids = 0; 2578 2579 if (pdb_get_username(user) == NULL) { 2580 return NT_STATUS_INVALID_PARAMETER; 2581 } 2582 2583 escape_name = escape_ldap_string_alloc(pdb_get_username(user)); 2584 if (escape_name == NULL) 2585 return NT_STATUS_NO_MEMORY; 2586 2587 /* retrieve the users primary gid */ 2588 filter = talloc_asprintf(mem_ctx, 2589 "(&(objectClass=%s)(uid=%s))", 2590 LDAP_OBJ_SAMBASAMACCOUNT, 2591 escape_name); 2592 if (filter == NULL) { 2593 ret = NT_STATUS_NO_MEMORY; 2594 goto done; 2595 } 2596 2597 rc = smbldap_search(conn, lp_ldap_user_suffix(), 2598 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result); 2599 2600 if (rc != LDAP_SUCCESS) 2601 goto done; 2602 2603 talloc_autofree_ldapmsg(mem_ctx, result); 2604 2605 count = ldap_count_entries(priv2ld(ldap_state), result); 2606 2607 switch (count) { 2608 case 0: 2609 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user))); 2610 ret = NT_STATUS_NO_SUCH_USER; 2611 goto done; 2612 case 1: 2613 entry = ldap_first_entry(priv2ld(ldap_state), result); 2614 2615 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx); 2616 if (!gidstr) { 2617 DEBUG (1, ("Unable to find the member's gid!\n")); 2618 ret = NT_STATUS_INTERNAL_DB_CORRUPTION; 2619 goto done; 2620 } 2621 primary_gid = strtoul(gidstr, NULL, 10); 2622 break; 2623 default: 2624 DEBUG(1, ("found more than one account with the same user name ?!\n")); 2625 ret = NT_STATUS_INTERNAL_DB_CORRUPTION; 2626 goto done; 2627 } 2628 2629 filter = talloc_asprintf(mem_ctx, 2630 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))", 2631 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid); 2632 if (filter == NULL) { 2633 ret = NT_STATUS_NO_MEMORY; 2634 goto done; 2635 } 2636 2637 rc = smbldap_search(conn, lp_ldap_group_suffix(), 2638 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result); 2639 2640 if (rc != LDAP_SUCCESS) 2641 goto done; 2642 2643 talloc_autofree_ldapmsg(mem_ctx, result); 2644 2645 num_gids = 0; 2646 *pp_gids = NULL; 2647 2648 num_sids = 0; 2649 *pp_sids = NULL; 2650 2651 /* We need to add the primary group as the first gid/sid */ 2652 2653 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) { 2654 ret = NT_STATUS_NO_MEMORY; 2655 goto done; 2656 } 2657 2658 /* This sid will be replaced later */ 2659 2660 if (!add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids)) { 2661 ret = NT_STATUS_NO_MEMORY; 2662 goto done; 2663 } 2664 2665 for (entry = ldap_first_entry(conn->ldap_struct, result); 2666 entry != NULL; 2667 entry = ldap_next_entry(conn->ldap_struct, entry)) 2668 { 2669 fstring str; 2670 DOM_SID sid; 2671 gid_t gid; 2672 char *end; 2673 2674 if (!smbldap_get_single_attribute(conn->ldap_struct, 2675 entry, "sambaSID", 2676 str, sizeof(str)-1)) 2677 continue; 2678 2679 if (!string_to_sid(&sid, str)) 2680 goto done; 2681 2682 if (!smbldap_get_single_attribute(conn->ldap_struct, 2683 entry, "gidNumber", 2684 str, sizeof(str)-1)) 2685 continue; 2686 2687 gid = strtoul(str, &end, 10); 2688 2689 if (PTR_DIFF(end, str) != strlen(str)) 2690 goto done; 2691 2692 if (gid == primary_gid) { 2693 sid_copy(&(*pp_sids)[0], &sid); 2694 } else { 2695 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids, 2696 &num_gids)) { 2697 ret = NT_STATUS_NO_MEMORY; 2698 goto done; 2699 } 2700 if (!add_sid_to_array_unique(mem_ctx, &sid, pp_sids, 2701 &num_sids)) { 2702 ret = NT_STATUS_NO_MEMORY; 2703 goto done; 2704 } 2705 } 2706 } 2707 2708 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) { 2709 DEBUG(3, ("primary group of [%s] not found\n", 2710 pdb_get_username(user))); 2711 goto done; 2712 } 2713 2714 *p_num_groups = num_sids; 2715 2716 ret = NT_STATUS_OK; 2717 2718 done: 2719 2720 SAFE_FREE(escape_name); 2721 return ret; 2722} 2723 2724/********************************************************************** 2725 * Augment a posixGroup object with a sambaGroupMapping domgroup 2726 *********************************************************************/ 2727 2728static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx, 2729 struct ldapsam_privates *ldap_state, 2730 GROUP_MAP *map) 2731{ 2732 const char *filter, *dn; 2733 LDAPMessage *msg, *entry; 2734 LDAPMod **mods; 2735 int rc; 2736 2737 filter = talloc_asprintf(mem_ctx, 2738 "(&(objectClass=posixGroup)(gidNumber=%u))", 2739 map->gid); 2740 if (filter == NULL) { 2741 return NT_STATUS_NO_MEMORY; 2742 } 2743 2744 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, 2745 get_attr_list(mem_ctx, groupmap_attr_list), 2746 &msg); 2747 talloc_autofree_ldapmsg(mem_ctx, msg); 2748 2749 if ((rc != LDAP_SUCCESS) || 2750 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) || 2751 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) { 2752 return NT_STATUS_NO_SUCH_GROUP; 2753 } 2754 2755 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry); 2756 if (dn == NULL) { 2757 return NT_STATUS_NO_MEMORY; 2758 } 2759 2760 mods = NULL; 2761 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", 2762 "sambaGroupMapping"); 2763 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid", 2764 sid_string_static(&map->sid)); 2765 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType", 2766 talloc_asprintf(mem_ctx, "%d", map->sid_name_use)); 2767 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName", 2768 map->nt_name); 2769 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description", 2770 map->comment); 2771 talloc_autofree_ldapmod(mem_ctx, mods); 2772 2773 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); 2774 if (rc != LDAP_SUCCESS) { 2775 return NT_STATUS_ACCESS_DENIED; 2776 } 2777 2778 return NT_STATUS_OK; 2779} 2780 2781static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods, 2782 GROUP_MAP *map) 2783{ 2784 struct ldapsam_privates *ldap_state = 2785 (struct ldapsam_privates *)methods->private_data; 2786 LDAPMessage *msg = NULL; 2787 LDAPMod **mods = NULL; 2788 const char *attrs[] = { NULL }; 2789 char *filter; 2790 2791 char *dn; 2792 TALLOC_CTX *mem_ctx; 2793 NTSTATUS result; 2794 2795 DOM_SID sid; 2796 2797 int rc; 2798 2799 mem_ctx = talloc_new(NULL); 2800 if (mem_ctx == NULL) { 2801 DEBUG(0, ("talloc_new failed\n")); 2802 return NT_STATUS_NO_MEMORY; 2803 } 2804 2805 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)", 2806 sid_string_static(&map->sid)); 2807 if (filter == NULL) { 2808 result = NT_STATUS_NO_MEMORY; 2809 goto done; 2810 } 2811 2812 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(), 2813 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg); 2814 talloc_autofree_ldapmsg(mem_ctx, msg); 2815 2816 if ((rc == LDAP_SUCCESS) && 2817 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) { 2818 2819 DEBUG(3, ("SID %s already present in LDAP, refusing to add " 2820 "group mapping entry\n", 2821 sid_string_static(&map->sid))); 2822 result = NT_STATUS_GROUP_EXISTS; 2823 goto done; 2824 } 2825 2826 switch (map->sid_name_use) { 2827 2828 case SID_NAME_DOM_GRP: 2829 /* To map a domain group we need to have a posix group 2830 to attach to. */ 2831 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map); 2832 goto done; 2833 break; 2834 2835 case SID_NAME_ALIAS: 2836 if (!sid_check_is_in_our_domain(&map->sid) 2837 && !sid_check_is_in_builtin(&map->sid) ) 2838 { 2839 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n", 2840 sid_string_static(&map->sid))); 2841 result = NT_STATUS_INVALID_PARAMETER; 2842 goto done; 2843 } 2844 break; 2845 2846 default: 2847 DEBUG(3, ("Got invalid use '%s' for mapping\n", 2848 sid_type_lookup(map->sid_name_use))); 2849 result = NT_STATUS_INVALID_PARAMETER; 2850 goto done; 2851 } 2852 2853 /* Domain groups have been mapped in a separate routine, we have to 2854 * create an alias now */ 2855 2856 if (map->gid == -1) { 2857 DEBUG(10, ("Refusing to map gid==-1\n")); 2858 result = NT_STATUS_INVALID_PARAMETER; 2859 goto done; 2860 } 2861 2862 if (pdb_gid_to_sid(map->gid, &sid)) { 2863 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to " 2864 "add\n", map->gid, sid_string_static(&sid))); 2865 result = NT_STATUS_GROUP_EXISTS; 2866 goto done; 2867 } 2868 2869 /* Ok, enough checks done. It's still racy to go ahead now, but that's 2870 * the best we can get out of LDAP. */ 2871 2872 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s", 2873 sid_string_static(&map->sid), 2874 lp_ldap_group_suffix()); 2875 if (dn == NULL) { 2876 result = NT_STATUS_NO_MEMORY; 2877 goto done; 2878 } 2879 2880 mods = NULL; 2881 2882 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass", 2883 "sambaSidEntry"); 2884 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass", 2885 "sambaGroupMapping"); 2886 2887 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid", 2888 sid_string_static(&map->sid)); 2889 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType", 2890 talloc_asprintf(mem_ctx, "%d", map->sid_name_use)); 2891 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName", 2892 map->nt_name); 2893 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description", 2894 map->comment); 2895 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber", 2896 talloc_asprintf(mem_ctx, "%u", map->gid)); 2897 talloc_autofree_ldapmod(mem_ctx, mods); 2898 2899 rc = smbldap_add(ldap_state->smbldap_state, dn, mods); 2900 2901 result = (rc == LDAP_SUCCESS) ? 2902 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED; 2903 2904 done: 2905 TALLOC_FREE(mem_ctx); 2906 return result; 2907} 2908 2909/********************************************************************** 2910 * Update a group mapping entry. We're quite strict about what can be changed: 2911 * Only the description and displayname may be changed. It simply does not 2912 * make any sense to change the SID, gid or the type in a mapping. 2913 *********************************************************************/ 2914 2915static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods, 2916 GROUP_MAP *map) 2917{ 2918 struct ldapsam_privates *ldap_state = 2919 (struct ldapsam_privates *)methods->private_data; 2920 int rc; 2921 const char *filter, *dn; 2922 LDAPMessage *msg = NULL; 2923 LDAPMessage *entry = NULL; 2924 LDAPMod **mods = NULL; 2925 TALLOC_CTX *mem_ctx; 2926 NTSTATUS result; 2927 2928 mem_ctx = talloc_new(NULL); 2929 if (mem_ctx == NULL) { 2930 DEBUG(0, ("talloc_new failed\n")); 2931 return NT_STATUS_NO_MEMORY; 2932 } 2933 2934 /* Make 100% sure that sid, gid and type are not changed by looking up 2935 * exactly the values we're given in LDAP. */ 2936 2937 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)" 2938 "(sambaSid=%s)(gidNumber=%u)" 2939 "(sambaGroupType=%d))", 2940 LDAP_OBJ_GROUPMAP, 2941 sid_string_static(&map->sid), map->gid, 2942 map->sid_name_use); 2943 if (filter == NULL) { 2944 result = NT_STATUS_NO_MEMORY; 2945 goto done; 2946 } 2947 2948 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, 2949 get_attr_list(mem_ctx, groupmap_attr_list), 2950 &msg); 2951 talloc_autofree_ldapmsg(mem_ctx, msg); 2952 2953 if ((rc != LDAP_SUCCESS) || 2954 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) || 2955 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) { 2956 result = NT_STATUS_NO_SUCH_GROUP; 2957 goto done; 2958 } 2959 2960 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry); 2961 2962 if (dn == NULL) { 2963 result = NT_STATUS_NO_MEMORY; 2964 goto done; 2965 } 2966 2967 mods = NULL; 2968 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName", 2969 map->nt_name); 2970 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description", 2971 map->comment); 2972 talloc_autofree_ldapmod(mem_ctx, mods); 2973 2974 if (mods == NULL) { 2975 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: " 2976 "nothing to do\n")); 2977 result = NT_STATUS_OK; 2978 goto done; 2979 } 2980 2981 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); 2982 2983 if (rc != LDAP_SUCCESS) { 2984 result = NT_STATUS_ACCESS_DENIED; 2985 goto done; 2986 } 2987 2988 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified " 2989 "group %lu in LDAP\n", (unsigned long)map->gid)); 2990 2991 result = NT_STATUS_OK; 2992 2993 done: 2994 TALLOC_FREE(mem_ctx); 2995 return result; 2996} 2997 2998/********************************************************************** 2999 *********************************************************************/ 3000 3001static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods, 3002 DOM_SID sid) 3003{ 3004 struct ldapsam_privates *priv = 3005 (struct ldapsam_privates *)methods->private_data; 3006 LDAPMessage *msg, *entry; 3007 int rc; 3008 NTSTATUS result; 3009 TALLOC_CTX *mem_ctx; 3010 char *filter; 3011 3012 mem_ctx = talloc_new(NULL); 3013 if (mem_ctx == NULL) { 3014 DEBUG(0, ("talloc_new failed\n")); 3015 return NT_STATUS_NO_MEMORY; 3016 } 3017 3018 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))", 3019 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID, 3020 sid_string_static(&sid)); 3021 if (filter == NULL) { 3022 result = NT_STATUS_NO_MEMORY; 3023 goto done; 3024 } 3025 rc = smbldap_search_suffix(priv->smbldap_state, filter, 3026 get_attr_list(mem_ctx, groupmap_attr_list), 3027 &msg); 3028 talloc_autofree_ldapmsg(mem_ctx, msg); 3029 3030 if ((rc != LDAP_SUCCESS) || 3031 (ldap_count_entries(priv2ld(priv), msg) != 1) || 3032 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) { 3033 result = NT_STATUS_NO_SUCH_GROUP; 3034 goto done; 3035 } 3036 3037 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP, 3038 get_attr_list(mem_ctx, 3039 groupmap_attr_list_to_delete)); 3040 3041 if ((rc == LDAP_NAMING_VIOLATION) || 3042 (rc == LDAP_OBJECT_CLASS_VIOLATION)) { 3043 const char *attrs[] = { "sambaGroupType", "description", 3044 "displayName", "sambaSIDList", 3045 NULL }; 3046 3047 /* Second try. Don't delete the sambaSID attribute, this is 3048 for "old" entries that are tacked on a winbind 3049 sambaIdmapEntry. */ 3050 3051 rc = ldapsam_delete_entry(priv, mem_ctx, entry, 3052 LDAP_OBJ_GROUPMAP, attrs); 3053 } 3054 3055 if ((rc == LDAP_NAMING_VIOLATION) || 3056 (rc == LDAP_OBJECT_CLASS_VIOLATION)) { 3057 const char *attrs[] = { "sambaGroupType", "description", 3058 "displayName", "sambaSIDList", 3059 "gidNumber", NULL }; 3060 3061 /* Third try. This is a post-3.0.21 alias (containing only 3062 * sambaSidEntry and sambaGroupMapping classes), we also have 3063 * to delete the gidNumber attribute, only the sambaSidEntry 3064 * remains */ 3065 3066 rc = ldapsam_delete_entry(priv, mem_ctx, entry, 3067 LDAP_OBJ_GROUPMAP, attrs); 3068 } 3069 3070 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; 3071 3072 done: 3073 TALLOC_FREE(mem_ctx); 3074 return result; 3075 } 3076 3077/********************************************************************** 3078 *********************************************************************/ 3079 3080static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods, 3081 BOOL update) 3082{ 3083 struct ldapsam_privates *ldap_state = 3084 (struct ldapsam_privates *)my_methods->private_data; 3085 fstring filter; 3086 int rc; 3087 const char **attr_list; 3088 3089 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP); 3090 attr_list = get_attr_list( NULL, groupmap_attr_list ); 3091 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(), 3092 LDAP_SCOPE_SUBTREE, filter, 3093 attr_list, 0, &ldap_state->result); 3094 TALLOC_FREE(attr_list); 3095 3096 if (rc != LDAP_SUCCESS) { 3097 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n", 3098 ldap_err2string(rc))); 3099 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n", 3100 lp_ldap_group_suffix(), filter)); 3101 ldap_msgfree(ldap_state->result); 3102 ldap_state->result = NULL; 3103 return NT_STATUS_UNSUCCESSFUL; 3104 } 3105 3106 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n", 3107 ldap_count_entries(ldap_state->smbldap_state->ldap_struct, 3108 ldap_state->result))); 3109 3110 ldap_state->entry = 3111 ldap_first_entry(ldap_state->smbldap_state->ldap_struct, 3112 ldap_state->result); 3113 ldap_state->index = 0; 3114 3115 return NT_STATUS_OK; 3116} 3117 3118/********************************************************************** 3119 *********************************************************************/ 3120 3121static void ldapsam_endsamgrent(struct pdb_methods *my_methods) 3122{ 3123 ldapsam_endsampwent(my_methods); 3124} 3125 3126/********************************************************************** 3127 *********************************************************************/ 3128 3129static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods, 3130 GROUP_MAP *map) 3131{ 3132 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; 3133 struct ldapsam_privates *ldap_state = 3134 (struct ldapsam_privates *)my_methods->private_data; 3135 BOOL bret = False; 3136 3137 while (!bret) { 3138 if (!ldap_state->entry) 3139 return ret; 3140 3141 ldap_state->index++; 3142 bret = init_group_from_ldap(ldap_state, map, 3143 ldap_state->entry); 3144 3145 ldap_state->entry = 3146 ldap_next_entry(ldap_state->smbldap_state->ldap_struct, 3147 ldap_state->entry); 3148 } 3149 3150 return NT_STATUS_OK; 3151} 3152 3153/********************************************************************** 3154 *********************************************************************/ 3155 3156static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods, 3157 const DOM_SID *domsid, enum lsa_SidType sid_name_use, 3158 GROUP_MAP **pp_rmap, 3159 size_t *p_num_entries, 3160 BOOL unix_only) 3161{ 3162 GROUP_MAP map; 3163 size_t entries = 0; 3164 3165 *p_num_entries = 0; 3166 *pp_rmap = NULL; 3167 3168 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) { 3169 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open " 3170 "passdb\n")); 3171 return NT_STATUS_ACCESS_DENIED; 3172 } 3173 3174 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) { 3175 if (sid_name_use != SID_NAME_UNKNOWN && 3176 sid_name_use != map.sid_name_use) { 3177 DEBUG(11,("ldapsam_enum_group_mapping: group %s is " 3178 "not of the requested type\n", map.nt_name)); 3179 continue; 3180 } 3181 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) { 3182 DEBUG(11,("ldapsam_enum_group_mapping: group %s is " 3183 "non mapped\n", map.nt_name)); 3184 continue; 3185 } 3186 3187 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1); 3188 if (!(*pp_rmap)) { 3189 DEBUG(0,("ldapsam_enum_group_mapping: Unable to " 3190 "enlarge group map!\n")); 3191 return NT_STATUS_UNSUCCESSFUL; 3192 } 3193 3194 (*pp_rmap)[entries] = map; 3195 3196 entries += 1; 3197 3198 } 3199 ldapsam_endsamgrent(methods); 3200 3201 *p_num_entries = entries; 3202 3203 return NT_STATUS_OK; 3204} 3205 3206static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods, 3207 const DOM_SID *alias, 3208 const DOM_SID *member, 3209 int modop) 3210{ 3211 struct ldapsam_privates *ldap_state = 3212 (struct ldapsam_privates *)methods->private_data; 3213 char *dn; 3214 LDAPMessage *result = NULL; 3215 LDAPMessage *entry = NULL; 3216 int count; 3217 LDAPMod **mods = NULL; 3218 int rc; 3219 enum lsa_SidType type = SID_NAME_USE_NONE; 3220 3221 pstring filter; 3222 3223 if (sid_check_is_in_builtin(alias)) { 3224 type = SID_NAME_ALIAS; 3225 } 3226 3227 if (sid_check_is_in_our_domain(alias)) { 3228 type = SID_NAME_ALIAS; 3229 } 3230 3231 if (type == SID_NAME_USE_NONE) { 3232 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n", 3233 sid_string_static(alias))); 3234 return NT_STATUS_NO_SUCH_ALIAS; 3235 } 3236 3237 pstr_sprintf(filter, 3238 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))", 3239 LDAP_OBJ_GROUPMAP, sid_string_static(alias), 3240 type); 3241 3242 if (ldapsam_search_one_group(ldap_state, filter, 3243 &result) != LDAP_SUCCESS) 3244 return NT_STATUS_NO_SUCH_ALIAS; 3245 3246 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, 3247 result); 3248 3249 if (count < 1) { 3250 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n")); 3251 ldap_msgfree(result); 3252 return NT_STATUS_NO_SUCH_ALIAS; 3253 } 3254 3255 if (count > 1) { 3256 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for " 3257 "filter %s: count=%d\n", filter, count)); 3258 ldap_msgfree(result); 3259 return NT_STATUS_NO_SUCH_ALIAS; 3260 } 3261 3262 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, 3263 result); 3264 3265 if (!entry) { 3266 ldap_msgfree(result); 3267 return NT_STATUS_UNSUCCESSFUL; 3268 } 3269 3270 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry); 3271 if (!dn) { 3272 ldap_msgfree(result); 3273 return NT_STATUS_UNSUCCESSFUL; 3274 } 3275 3276 smbldap_set_mod(&mods, modop, 3277 get_attr_key2string(groupmap_attr_list, 3278 LDAP_ATTR_SID_LIST), 3279 sid_string_static(member)); 3280 3281 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); 3282 3283 ldap_mods_free(mods, True); 3284 ldap_msgfree(result); 3285 SAFE_FREE(dn); 3286 3287 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) { 3288 return NT_STATUS_MEMBER_IN_ALIAS; 3289 } 3290 3291 if (rc == LDAP_NO_SUCH_ATTRIBUTE) { 3292 return NT_STATUS_MEMBER_NOT_IN_ALIAS; 3293 } 3294 3295 if (rc != LDAP_SUCCESS) { 3296 return NT_STATUS_UNSUCCESSFUL; 3297 } 3298 3299 return NT_STATUS_OK; 3300} 3301 3302static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods, 3303 const DOM_SID *alias, 3304 const DOM_SID *member) 3305{ 3306 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD); 3307} 3308 3309static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods, 3310 const DOM_SID *alias, 3311 const DOM_SID *member) 3312{ 3313 return ldapsam_modify_aliasmem(methods, alias, member, 3314 LDAP_MOD_DELETE); 3315} 3316 3317static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods, 3318 const DOM_SID *alias, 3319 DOM_SID **pp_members, 3320 size_t *p_num_members) 3321{ 3322 struct ldapsam_privates *ldap_state = 3323 (struct ldapsam_privates *)methods->private_data; 3324 LDAPMessage *result = NULL; 3325 LDAPMessage *entry = NULL; 3326 int count; 3327 char **values; 3328 int i; 3329 pstring filter; 3330 size_t num_members = 0; 3331 enum lsa_SidType type = SID_NAME_USE_NONE; 3332 3333 *pp_members = NULL; 3334 *p_num_members = 0; 3335 3336 if (sid_check_is_in_builtin(alias)) { 3337 type = SID_NAME_ALIAS; 3338 } 3339 3340 if (sid_check_is_in_our_domain(alias)) { 3341 type = SID_NAME_ALIAS; 3342 } 3343 3344 if (type == SID_NAME_USE_NONE) { 3345 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n", 3346 sid_string_static(alias))); 3347 return NT_STATUS_NO_SUCH_ALIAS; 3348 } 3349 3350 pstr_sprintf(filter, 3351 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))", 3352 LDAP_OBJ_GROUPMAP, sid_string_static(alias), 3353 type); 3354 3355 if (ldapsam_search_one_group(ldap_state, filter, 3356 &result) != LDAP_SUCCESS) 3357 return NT_STATUS_NO_SUCH_ALIAS; 3358 3359 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, 3360 result); 3361 3362 if (count < 1) { 3363 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n")); 3364 ldap_msgfree(result); 3365 return NT_STATUS_NO_SUCH_ALIAS; 3366 } 3367 3368 if (count > 1) { 3369 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for " 3370 "filter %s: count=%d\n", filter, count)); 3371 ldap_msgfree(result); 3372 return NT_STATUS_NO_SUCH_ALIAS; 3373 } 3374 3375 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, 3376 result); 3377 3378 if (!entry) { 3379 ldap_msgfree(result); 3380 return NT_STATUS_UNSUCCESSFUL; 3381 } 3382 3383 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, 3384 entry, 3385 get_attr_key2string(groupmap_attr_list, 3386 LDAP_ATTR_SID_LIST)); 3387 3388 if (values == NULL) { 3389 ldap_msgfree(result); 3390 return NT_STATUS_OK; 3391 } 3392 3393 count = ldap_count_values(values); 3394 3395 for (i=0; i<count; i++) { 3396 DOM_SID member; 3397 3398 if (!string_to_sid(&member, values[i])) 3399 continue; 3400 3401 if (!add_sid_to_array(NULL, &member, pp_members, &num_members)) { 3402 ldap_value_free(values); 3403 ldap_msgfree(result); 3404 return NT_STATUS_NO_MEMORY; 3405 } 3406 } 3407 3408 *p_num_members = num_members; 3409 ldap_value_free(values); 3410 ldap_msgfree(result); 3411 3412 return NT_STATUS_OK; 3413} 3414 3415static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods, 3416 TALLOC_CTX *mem_ctx, 3417 const DOM_SID *domain_sid, 3418 const DOM_SID *members, 3419 size_t num_members, 3420 uint32 **pp_alias_rids, 3421 size_t *p_num_alias_rids) 3422{ 3423 struct ldapsam_privates *ldap_state = 3424 (struct ldapsam_privates *)methods->private_data; 3425 LDAP *ldap_struct; 3426 3427 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL }; 3428 3429 LDAPMessage *result = NULL; 3430 LDAPMessage *entry = NULL; 3431 int i; 3432 int rc; 3433 char *filter; 3434 enum lsa_SidType type = SID_NAME_USE_NONE; 3435 3436 if (sid_check_is_builtin(domain_sid)) { 3437 type = SID_NAME_ALIAS; 3438 } 3439 3440 if (sid_check_is_domain(domain_sid)) { 3441 type = SID_NAME_ALIAS; 3442 } 3443 3444 if (type == SID_NAME_USE_NONE) { 3445 DEBUG(5, ("SID %s is neither builtin nor domain!\n", 3446 sid_string_static(domain_sid))); 3447 return NT_STATUS_UNSUCCESSFUL; 3448 } 3449 3450 filter = talloc_asprintf(mem_ctx, 3451 "(&(|(objectclass=%s)(sambaGroupType=%d))(|", 3452 LDAP_OBJ_GROUPMAP, type); 3453 3454 for (i=0; i<num_members; i++) 3455 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)", 3456 filter, 3457 sid_string_static(&members[i])); 3458 3459 filter = talloc_asprintf(mem_ctx, "%s))", filter); 3460 3461 if (filter == NULL) { 3462 return NT_STATUS_NO_MEMORY; 3463 } 3464 3465 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(), 3466 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result); 3467 3468 if (rc != LDAP_SUCCESS) 3469 return NT_STATUS_UNSUCCESSFUL; 3470 3471 ldap_struct = ldap_state->smbldap_state->ldap_struct; 3472 3473 for (entry = ldap_first_entry(ldap_struct, result); 3474 entry != NULL; 3475 entry = ldap_next_entry(ldap_struct, entry)) 3476 { 3477 fstring sid_str; 3478 DOM_SID sid; 3479 uint32 rid; 3480 3481 if (!smbldap_get_single_attribute(ldap_struct, entry, 3482 LDAP_ATTRIBUTE_SID, 3483 sid_str, 3484 sizeof(sid_str)-1)) 3485 continue; 3486 3487 if (!string_to_sid(&sid, sid_str)) 3488 continue; 3489 3490 if (!sid_peek_check_rid(domain_sid, &sid, &rid)) 3491 continue; 3492 3493 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids, 3494 p_num_alias_rids)) { 3495 ldap_msgfree(result); 3496 return NT_STATUS_NO_MEMORY; 3497 } 3498 } 3499 3500 ldap_msgfree(result); 3501 return NT_STATUS_OK; 3502} 3503 3504static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods, 3505 int policy_index, 3506 uint32 value) 3507{ 3508 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL; 3509 int rc; 3510 LDAPMod **mods = NULL; 3511 fstring value_string; 3512 const char *policy_attr = NULL; 3513 3514 struct ldapsam_privates *ldap_state = 3515 (struct ldapsam_privates *)methods->private_data; 3516 3517 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n")); 3518 3519 if (!ldap_state->domain_dn) { 3520 return NT_STATUS_INVALID_PARAMETER; 3521 } 3522 3523 policy_attr = get_account_policy_attr(policy_index); 3524 if (policy_attr == NULL) { 3525 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid " 3526 "policy\n")); 3527 return ntstatus; 3528 } 3529 3530 slprintf(value_string, sizeof(value_string) - 1, "%i", value); 3531 3532 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string); 3533 3534 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn, 3535 mods); 3536 3537 ldap_mods_free(mods, True); 3538 3539 if (rc != LDAP_SUCCESS) { 3540 return ntstatus; 3541 } 3542 3543 if (!cache_account_policy_set(policy_index, value)) { 3544 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to " 3545 "update local tdb cache\n")); 3546 return ntstatus; 3547 } 3548 3549 return NT_STATUS_OK; 3550} 3551 3552static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods, 3553 int policy_index, uint32 value) 3554{ 3555 return ldapsam_set_account_policy_in_ldap(methods, policy_index, 3556 value); 3557} 3558 3559static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods, 3560 int policy_index, 3561 uint32 *value) 3562{ 3563 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL; 3564 LDAPMessage *result = NULL; 3565 LDAPMessage *entry = NULL; 3566 int count; 3567 int rc; 3568 char **vals = NULL; 3569 const char *policy_attr = NULL; 3570 3571 struct ldapsam_privates *ldap_state = 3572 (struct ldapsam_privates *)methods->private_data; 3573 3574 const char *attrs[2]; 3575 3576 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n")); 3577 3578 if (!ldap_state->domain_dn) { 3579 return NT_STATUS_INVALID_PARAMETER; 3580 } 3581 3582 policy_attr = get_account_policy_attr(policy_index); 3583 if (!policy_attr) { 3584 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid " 3585 "policy index: %d\n", policy_index)); 3586 return ntstatus; 3587 } 3588 3589 attrs[0] = policy_attr; 3590 attrs[1] = NULL; 3591 3592 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn, 3593 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, 3594 &result); 3595 3596 if (rc != LDAP_SUCCESS) { 3597 return ntstatus; 3598 } 3599 3600 count = ldap_count_entries(priv2ld(ldap_state), result); 3601 if (count < 1) { 3602 goto out; 3603 } 3604 3605 entry = ldap_first_entry(priv2ld(ldap_state), result); 3606 if (entry == NULL) { 3607 goto out; 3608 } 3609 3610 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr); 3611 if (vals == NULL) { 3612 goto out; 3613 } 3614 3615 *value = (uint32)atol(vals[0]); 3616 3617 ntstatus = NT_STATUS_OK; 3618 3619out: 3620 if (vals) 3621 ldap_value_free(vals); 3622 ldap_msgfree(result); 3623 3624 return ntstatus; 3625} 3626 3627/* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache 3628 3629 - if user hasn't decided to use account policies inside LDAP just reuse the 3630 old tdb values 3631 3632 - if there is a valid cache entry, return that 3633 - if there is an LDAP entry, update cache and return 3634 - otherwise set to default, update cache and return 3635 3636 Guenther 3637*/ 3638static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods, 3639 int policy_index, uint32 *value) 3640{ 3641 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL; 3642 3643 if (cache_account_policy_get(policy_index, value)) { 3644 DEBUG(11,("ldapsam_get_account_policy: got valid value from " 3645 "cache\n")); 3646 return NT_STATUS_OK; 3647 } 3648 3649 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index, 3650 value); 3651 if (NT_STATUS_IS_OK(ntstatus)) { 3652 goto update_cache; 3653 } 3654 3655 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from " 3656 "ldap\n")); 3657 3658#if 0 3659 /* should we automagically migrate old tdb value here ? */ 3660 if (account_policy_get(policy_index, value)) 3661 goto update_ldap; 3662 3663 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying " 3664 "default\n", policy_index)); 3665#endif 3666 3667 if (!account_policy_get_default(policy_index, value)) { 3668 return ntstatus; 3669 } 3670 3671/* update_ldap: */ 3672 3673 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value); 3674 if (!NT_STATUS_IS_OK(ntstatus)) { 3675 return ntstatus; 3676 } 3677 3678 update_cache: 3679 3680 if (!cache_account_policy_set(policy_index, *value)) { 3681 DEBUG(0,("ldapsam_get_account_policy: failed to update local " 3682 "tdb as a cache\n")); 3683 return NT_STATUS_UNSUCCESSFUL; 3684 } 3685 3686 return NT_STATUS_OK; 3687} 3688 3689static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods, 3690 const DOM_SID *domain_sid, 3691 int num_rids, 3692 uint32 *rids, 3693 const char **names, 3694 enum lsa_SidType *attrs) 3695{ 3696 struct ldapsam_privates *ldap_state = 3697 (struct ldapsam_privates *)methods->private_data; 3698 LDAPMessage *msg = NULL; 3699 LDAPMessage *entry; 3700 char *allsids = NULL; 3701 int i, rc, num_mapped; 3702 NTSTATUS result = NT_STATUS_NO_MEMORY; 3703 TALLOC_CTX *mem_ctx; 3704 LDAP *ld; 3705 BOOL is_builtin; 3706 3707 mem_ctx = talloc_new(NULL); 3708 if (mem_ctx == NULL) { 3709 DEBUG(0, ("talloc_new failed\n")); 3710 goto done; 3711 } 3712 3713 if (!sid_check_is_builtin(domain_sid) && 3714 !sid_check_is_domain(domain_sid)) { 3715 result = NT_STATUS_INVALID_PARAMETER; 3716 goto done; 3717 } 3718 3719 for (i=0; i<num_rids; i++) 3720 attrs[i] = SID_NAME_UNKNOWN; 3721 3722 allsids = talloc_strdup(mem_ctx, ""); 3723 if (allsids == NULL) { 3724 goto done; 3725 } 3726 3727 for (i=0; i<num_rids; i++) { 3728 DOM_SID sid; 3729 sid_compose(&sid, domain_sid, rids[i]); 3730 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)", 3731 sid_string_static(&sid)); 3732 if (allsids == NULL) { 3733 goto done; 3734 } 3735 } 3736 3737 /* First look for users */ 3738 3739 { 3740 char *filter; 3741 const char *ldap_attrs[] = { "uid", "sambaSid", NULL }; 3742 3743 filter = talloc_asprintf( 3744 mem_ctx, ("(&(objectClass=%s)(|%s))"), 3745 LDAP_OBJ_SAMBASAMACCOUNT, allsids); 3746 3747 if (filter == NULL) { 3748 goto done; 3749 } 3750 3751 rc = smbldap_search(ldap_state->smbldap_state, 3752 lp_ldap_user_suffix(), 3753 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0, 3754 &msg); 3755 talloc_autofree_ldapmsg(mem_ctx, msg); 3756 } 3757 3758 if (rc != LDAP_SUCCESS) 3759 goto done; 3760 3761 ld = ldap_state->smbldap_state->ldap_struct; 3762 num_mapped = 0; 3763 3764 for (entry = ldap_first_entry(ld, msg); 3765 entry != NULL; 3766 entry = ldap_next_entry(ld, entry)) { 3767 uint32 rid; 3768 int rid_index; 3769 const char *name; 3770 3771 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid, 3772 &rid)) { 3773 DEBUG(2, ("Could not find sid from ldap entry\n")); 3774 continue; 3775 } 3776 3777 name = smbldap_talloc_single_attribute(ld, entry, "uid", 3778 names); 3779 if (name == NULL) { 3780 DEBUG(2, ("Could not retrieve uid attribute\n")); 3781 continue; 3782 } 3783 3784 for (rid_index = 0; rid_index < num_rids; rid_index++) { 3785 if (rid == rids[rid_index]) 3786 break; 3787 } 3788 3789 if (rid_index == num_rids) { 3790 DEBUG(2, ("Got a RID not asked for: %d\n", rid)); 3791 continue; 3792 } 3793 3794 attrs[rid_index] = SID_NAME_USER; 3795 names[rid_index] = name; 3796 num_mapped += 1; 3797 } 3798 3799 if (num_mapped == num_rids) { 3800 /* No need to look for groups anymore -- we're done */ 3801 result = NT_STATUS_OK; 3802 goto done; 3803 } 3804 3805 /* Same game for groups */ 3806 3807 { 3808 char *filter; 3809 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid", 3810 "sambaGroupType", NULL }; 3811 3812 filter = talloc_asprintf( 3813 mem_ctx, "(&(objectClass=%s)(|%s))", 3814 LDAP_OBJ_GROUPMAP, allsids); 3815 if (filter == NULL) { 3816 goto done; 3817 } 3818 3819 rc = smbldap_search(ldap_state->smbldap_state, 3820 lp_ldap_group_suffix(), 3821 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0, 3822 &msg); 3823 talloc_autofree_ldapmsg(mem_ctx, msg); 3824 } 3825 3826 if (rc != LDAP_SUCCESS) 3827 goto done; 3828 3829 /* ldap_struct might have changed due to a reconnect */ 3830 3831 ld = ldap_state->smbldap_state->ldap_struct; 3832 3833 /* For consistency checks, we already checked we're only domain or builtin */ 3834 3835 is_builtin = sid_check_is_builtin(domain_sid); 3836 3837 for (entry = ldap_first_entry(ld, msg); 3838 entry != NULL; 3839 entry = ldap_next_entry(ld, entry)) 3840 { 3841 uint32 rid; 3842 int rid_index; 3843 const char *attr; 3844 enum lsa_SidType type; 3845 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry); 3846 3847 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType", 3848 mem_ctx); 3849 if (attr == NULL) { 3850 DEBUG(2, ("Could not extract type from ldap entry %s\n", 3851 dn)); 3852 continue; 3853 } 3854 3855 type = (enum lsa_SidType)atol(attr); 3856 3857 /* Consistency checks */ 3858 if ((is_builtin && (type != SID_NAME_ALIAS)) || 3859 (!is_builtin && ((type != SID_NAME_ALIAS) && 3860 (type != SID_NAME_DOM_GRP)))) { 3861 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn)); 3862 } 3863 3864 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid, 3865 &rid)) { 3866 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn)); 3867 continue; 3868 } 3869 3870 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names); 3871 3872 if (attr == NULL) { 3873 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n", 3874 dn)); 3875 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names); 3876 } 3877 3878 if (attr == NULL) { 3879 DEBUG(2, ("Could not retrieve naming attribute from %s\n", 3880 dn)); 3881 continue; 3882 } 3883 3884 for (rid_index = 0; rid_index < num_rids; rid_index++) { 3885 if (rid == rids[rid_index]) 3886 break; 3887 } 3888 3889 if (rid_index == num_rids) { 3890 DEBUG(2, ("Got a RID not asked for: %d\n", rid)); 3891 continue; 3892 } 3893 3894 attrs[rid_index] = type; 3895 names[rid_index] = attr; 3896 num_mapped += 1; 3897 } 3898 3899 result = NT_STATUS_NONE_MAPPED; 3900 3901 if (num_mapped > 0) 3902 result = (num_mapped == num_rids) ? 3903 NT_STATUS_OK : STATUS_SOME_UNMAPPED; 3904 done: 3905 TALLOC_FREE(mem_ctx); 3906 return result; 3907} 3908 3909static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username) 3910{ 3911 char *filter = NULL; 3912 char *escaped = NULL; 3913 char *result = NULL; 3914 3915 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))", 3916 "(uid=%u)"); 3917 if (filter == NULL) goto done; 3918 3919 escaped = escape_ldap_string_alloc(username); 3920 if (escaped == NULL) goto done; 3921 3922 result = talloc_string_sub(mem_ctx, filter, "%u", username); 3923 3924 done: 3925 SAFE_FREE(filter); 3926 SAFE_FREE(escaped); 3927 3928 return result; 3929} 3930 3931const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...) 3932{ 3933 int i, num = 0; 3934 va_list ap; 3935 const char **result; 3936 3937 va_start(ap, mem_ctx); 3938 while (va_arg(ap, const char *) != NULL) 3939 num += 1; 3940 va_end(ap); 3941 3942 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) { 3943 return NULL; 3944 } 3945 3946 va_start(ap, mem_ctx); 3947 for (i=0; i<num; i++) { 3948 result[i] = talloc_strdup(result, va_arg(ap, const char*)); 3949 if (result[i] == NULL) { 3950 talloc_free(result); 3951 return NULL; 3952 } 3953 } 3954 va_end(ap); 3955 3956 result[num] = NULL; 3957 return result; 3958} 3959 3960struct ldap_search_state { 3961 struct smbldap_state *connection; 3962 3963 uint32 acct_flags; 3964 uint16 group_type; 3965 3966 const char *base; 3967 int scope; 3968 const char *filter; 3969 const char **attrs; 3970 int attrsonly; 3971 void *pagedresults_cookie; 3972 3973 LDAPMessage *entries, *current_entry; 3974 BOOL (*ldap2displayentry)(struct ldap_search_state *state, 3975 TALLOC_CTX *mem_ctx, 3976 LDAP *ld, LDAPMessage *entry, 3977 struct samr_displayentry *result); 3978}; 3979 3980static BOOL ldapsam_search_firstpage(struct pdb_search *search) 3981{ 3982 struct ldap_search_state *state = 3983 (struct ldap_search_state *)search->private_data; 3984 LDAP *ld; 3985 int rc = LDAP_OPERATIONS_ERROR; 3986 3987 state->entries = NULL; 3988 3989 if (state->connection->paged_results) { 3990 rc = smbldap_search_paged(state->connection, state->base, 3991 state->scope, state->filter, 3992 state->attrs, state->attrsonly, 3993 lp_ldap_page_size(), &state->entries, 3994 &state->pagedresults_cookie); 3995 } 3996 3997 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) { 3998 3999 if (state->entries != NULL) { 4000 /* Left over from unsuccessful paged attempt */ 4001 ldap_msgfree(state->entries); 4002 state->entries = NULL; 4003 } 4004 4005 rc = smbldap_search(state->connection, state->base, 4006 state->scope, state->filter, state->attrs, 4007 state->attrsonly, &state->entries); 4008 4009 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) 4010 return False; 4011 4012 /* Ok, the server was lying. It told us it could do paged 4013 * searches when it could not. */ 4014 state->connection->paged_results = False; 4015 } 4016 4017 ld = state->connection->ldap_struct; 4018 if ( ld == NULL) { 4019 DEBUG(5, ("Don't have an LDAP connection right after a " 4020 "search\n")); 4021 return False; 4022 } 4023 state->current_entry = ldap_first_entry(ld, state->entries); 4024 4025 if (state->current_entry == NULL) { 4026 ldap_msgfree(state->entries); 4027 state->entries = NULL; 4028 } 4029 4030 return True; 4031} 4032 4033static BOOL ldapsam_search_nextpage(struct pdb_search *search) 4034{ 4035 struct ldap_search_state *state = 4036 (struct ldap_search_state *)search->private_data; 4037 int rc; 4038 4039 if (!state->connection->paged_results) { 4040 /* There is no next page when there are no paged results */ 4041 return False; 4042 } 4043 4044 rc = smbldap_search_paged(state->connection, state->base, 4045 state->scope, state->filter, state->attrs, 4046 state->attrsonly, lp_ldap_page_size(), 4047 &state->entries, 4048 &state->pagedresults_cookie); 4049 4050 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) 4051 return False; 4052 4053 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries); 4054 4055 if (state->current_entry == NULL) { 4056 ldap_msgfree(state->entries); 4057 state->entries = NULL; 4058 } 4059 4060 return True; 4061} 4062 4063static BOOL ldapsam_search_next_entry(struct pdb_search *search, 4064 struct samr_displayentry *entry) 4065{ 4066 struct ldap_search_state *state = 4067 (struct ldap_search_state *)search->private_data; 4068 BOOL result; 4069 4070 retry: 4071 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL)) 4072 return False; 4073 4074 if ((state->entries == NULL) && 4075 !ldapsam_search_nextpage(search)) 4076 return False; 4077 4078 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct, 4079 state->current_entry, entry); 4080 4081 if (!result) { 4082 char *dn; 4083 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry); 4084 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>")); 4085 if (dn != NULL) ldap_memfree(dn); 4086 } 4087 4088 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry); 4089 4090 if (state->current_entry == NULL) { 4091 ldap_msgfree(state->entries); 4092 state->entries = NULL; 4093 } 4094 4095 if (!result) goto retry; 4096 4097 return True; 4098} 4099 4100static void ldapsam_search_end(struct pdb_search *search) 4101{ 4102 struct ldap_search_state *state = 4103 (struct ldap_search_state *)search->private_data; 4104 int rc; 4105 4106 if (state->pagedresults_cookie == NULL) 4107 return; 4108 4109 if (state->entries != NULL) 4110 ldap_msgfree(state->entries); 4111 4112 state->entries = NULL; 4113 state->current_entry = NULL; 4114 4115 if (!state->connection->paged_results) 4116 return; 4117 4118 /* Tell the LDAP server we're not interested in the rest anymore. */ 4119 4120 rc = smbldap_search_paged(state->connection, state->base, state->scope, 4121 state->filter, state->attrs, 4122 state->attrsonly, 0, &state->entries, 4123 &state->pagedresults_cookie); 4124 4125 if (rc != LDAP_SUCCESS) 4126 DEBUG(5, ("Could not end search properly\n")); 4127 4128 return; 4129} 4130 4131static BOOL ldapuser2displayentry(struct ldap_search_state *state, 4132 TALLOC_CTX *mem_ctx, 4133 LDAP *ld, LDAPMessage *entry, 4134 struct samr_displayentry *result) 4135{ 4136 char **vals; 4137 DOM_SID sid; 4138 uint32 acct_flags; 4139 4140 vals = ldap_get_values(ld, entry, "sambaAcctFlags"); 4141 if ((vals == NULL) || (vals[0] == NULL)) { 4142 DEBUG(5, ("\"sambaAcctFlags\" not found\n")); 4143 return False; 4144 } 4145 acct_flags = pdb_decode_acct_ctrl(vals[0]); 4146 ldap_value_free(vals); 4147 4148 if ((state->acct_flags != 0) && 4149 ((state->acct_flags & acct_flags) == 0)) 4150 return False; 4151 4152 result->acct_flags = acct_flags; 4153 result->account_name = ""; 4154 result->fullname = ""; 4155 result->description = ""; 4156 4157 vals = ldap_get_values(ld, entry, "uid"); 4158 if ((vals == NULL) || (vals[0] == NULL)) { 4159 DEBUG(5, ("\"uid\" not found\n")); 4160 return False; 4161 } 4162 pull_utf8_talloc(mem_ctx, 4163 CONST_DISCARD(char **, &result->account_name), 4164 vals[0]); 4165 ldap_value_free(vals); 4166 4167 vals = ldap_get_values(ld, entry, "displayName"); 4168 if ((vals == NULL) || (vals[0] == NULL)) 4169 DEBUG(8, ("\"displayName\" not found\n")); 4170 else 4171 pull_utf8_talloc(mem_ctx, 4172 CONST_DISCARD(char **, &result->fullname), 4173 vals[0]); 4174 ldap_value_free(vals); 4175 4176 vals = ldap_get_values(ld, entry, "description"); 4177 if ((vals == NULL) || (vals[0] == NULL)) 4178 DEBUG(8, ("\"description\" not found\n")); 4179 else 4180 pull_utf8_talloc(mem_ctx, 4181 CONST_DISCARD(char **, &result->description), 4182 vals[0]); 4183 ldap_value_free(vals); 4184 4185 if ((result->account_name == NULL) || 4186 (result->fullname == NULL) || 4187 (result->description == NULL)) { 4188 DEBUG(0, ("talloc failed\n")); 4189 return False; 4190 } 4191 4192 vals = ldap_get_values(ld, entry, "sambaSid"); 4193 if ((vals == NULL) || (vals[0] == NULL)) { 4194 DEBUG(0, ("\"objectSid\" not found\n")); 4195 return False; 4196 } 4197 4198 if (!string_to_sid(&sid, vals[0])) { 4199 DEBUG(0, ("Could not convert %s to SID\n", vals[0])); 4200 ldap_value_free(vals); 4201 return False; 4202 } 4203 ldap_value_free(vals); 4204 4205 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) { 4206 DEBUG(0, ("sid %s does not belong to our domain\n", 4207 sid_string_static(&sid))); 4208 return False; 4209 } 4210 4211 return True; 4212} 4213 4214 4215static BOOL ldapsam_search_users(struct pdb_methods *methods, 4216 struct pdb_search *search, 4217 uint32 acct_flags) 4218{ 4219 struct ldapsam_privates *ldap_state = 4220 (struct ldapsam_privates *)methods->private_data; 4221 struct ldap_search_state *state; 4222 4223 state = TALLOC_P(search->mem_ctx, struct ldap_search_state); 4224 if (state == NULL) { 4225 DEBUG(0, ("talloc failed\n")); 4226 return False; 4227 } 4228 4229 state->connection = ldap_state->smbldap_state; 4230 4231 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0)) 4232 state->base = lp_ldap_user_suffix(); 4233 else if ((acct_flags != 0) && 4234 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0)) 4235 state->base = lp_ldap_machine_suffix(); 4236 else 4237 state->base = lp_ldap_suffix(); 4238 4239 state->acct_flags = acct_flags; 4240 state->base = talloc_strdup(search->mem_ctx, state->base); 4241 state->scope = LDAP_SCOPE_SUBTREE; 4242 state->filter = get_ldap_filter(search->mem_ctx, "*"); 4243 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid", 4244 "displayName", "description", 4245 "sambaAcctFlags", NULL); 4246 state->attrsonly = 0; 4247 state->pagedresults_cookie = NULL; 4248 state->entries = NULL; 4249 state->ldap2displayentry = ldapuser2displayentry; 4250 4251 if ((state->filter == NULL) || (state->attrs == NULL)) { 4252 DEBUG(0, ("talloc failed\n")); 4253 return False; 4254 } 4255 4256 search->private_data = state; 4257 search->next_entry = ldapsam_search_next_entry; 4258 search->search_end = ldapsam_search_end; 4259 4260 return ldapsam_search_firstpage(search); 4261} 4262 4263static BOOL ldapgroup2displayentry(struct ldap_search_state *state, 4264 TALLOC_CTX *mem_ctx, 4265 LDAP *ld, LDAPMessage *entry, 4266 struct samr_displayentry *result) 4267{ 4268 char **vals; 4269 DOM_SID sid; 4270 uint16 group_type; 4271 4272 result->account_name = ""; 4273 result->fullname = ""; 4274 result->description = ""; 4275 4276 4277 vals = ldap_get_values(ld, entry, "sambaGroupType"); 4278 if ((vals == NULL) || (vals[0] == NULL)) { 4279 DEBUG(5, ("\"sambaGroupType\" not found\n")); 4280 if (vals != NULL) { 4281 ldap_value_free(vals); 4282 } 4283 return False; 4284 } 4285 4286 group_type = atoi(vals[0]); 4287 4288 if ((state->group_type != 0) && 4289 ((state->group_type != group_type))) { 4290 ldap_value_free(vals); 4291 return False; 4292 } 4293 4294 ldap_value_free(vals); 4295 4296 /* display name is the NT group name */ 4297 4298 vals = ldap_get_values(ld, entry, "displayName"); 4299 if ((vals == NULL) || (vals[0] == NULL)) { 4300 DEBUG(8, ("\"displayName\" not found\n")); 4301 4302 /* fallback to the 'cn' attribute */ 4303 vals = ldap_get_values(ld, entry, "cn"); 4304 if ((vals == NULL) || (vals[0] == NULL)) { 4305 DEBUG(5, ("\"cn\" not found\n")); 4306 return False; 4307 } 4308 pull_utf8_talloc(mem_ctx, 4309 CONST_DISCARD(char **, &result->account_name), 4310 vals[0]); 4311 } 4312 else { 4313 pull_utf8_talloc(mem_ctx, 4314 CONST_DISCARD(char **, &result->account_name), 4315 vals[0]); 4316 } 4317 4318 ldap_value_free(vals); 4319 4320 vals = ldap_get_values(ld, entry, "description"); 4321 if ((vals == NULL) || (vals[0] == NULL)) 4322 DEBUG(8, ("\"description\" not found\n")); 4323 else 4324 pull_utf8_talloc(mem_ctx, 4325 CONST_DISCARD(char **, &result->description), 4326 vals[0]); 4327 ldap_value_free(vals); 4328 4329 if ((result->account_name == NULL) || 4330 (result->fullname == NULL) || 4331 (result->description == NULL)) { 4332 DEBUG(0, ("talloc failed\n")); 4333 return False; 4334 } 4335 4336 vals = ldap_get_values(ld, entry, "sambaSid"); 4337 if ((vals == NULL) || (vals[0] == NULL)) { 4338 DEBUG(0, ("\"objectSid\" not found\n")); 4339 if (vals != NULL) { 4340 ldap_value_free(vals); 4341 } 4342 return False; 4343 } 4344 4345 if (!string_to_sid(&sid, vals[0])) { 4346 DEBUG(0, ("Could not convert %s to SID\n", vals[0])); 4347 return False; 4348 } 4349 4350 ldap_value_free(vals); 4351 4352 switch (group_type) { 4353 case SID_NAME_DOM_GRP: 4354 case SID_NAME_ALIAS: 4355 4356 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid) 4357 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid)) 4358 { 4359 DEBUG(0, ("%s is not in our domain\n", 4360 sid_string_static(&sid))); 4361 return False; 4362 } 4363 break; 4364 4365 default: 4366 DEBUG(0,("unkown group type: %d\n", group_type)); 4367 return False; 4368 } 4369 4370 return True; 4371} 4372 4373static BOOL ldapsam_search_grouptype(struct pdb_methods *methods, 4374 struct pdb_search *search, 4375 const DOM_SID *sid, 4376 enum lsa_SidType type) 4377{ 4378 struct ldapsam_privates *ldap_state = 4379 (struct ldapsam_privates *)methods->private_data; 4380 struct ldap_search_state *state; 4381 4382 state = TALLOC_P(search->mem_ctx, struct ldap_search_state); 4383 if (state == NULL) { 4384 DEBUG(0, ("talloc failed\n")); 4385 return False; 4386 } 4387 4388 state->connection = ldap_state->smbldap_state; 4389 4390 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix()); 4391 state->connection = ldap_state->smbldap_state; 4392 state->scope = LDAP_SCOPE_SUBTREE; 4393 state->filter = talloc_asprintf(search->mem_ctx, 4394 "(&(objectclass=sambaGroupMapping)" 4395 "(sambaGroupType=%d)(sambaSID=%s*))", 4396 type, sid_string_static(sid)); 4397 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid", 4398 "displayName", "description", 4399 "sambaGroupType", NULL); 4400 state->attrsonly = 0; 4401 state->pagedresults_cookie = NULL; 4402 state->entries = NULL; 4403 state->group_type = type; 4404 state->ldap2displayentry = ldapgroup2displayentry; 4405 4406 if ((state->filter == NULL) || (state->attrs == NULL)) { 4407 DEBUG(0, ("talloc failed\n")); 4408 return False; 4409 } 4410 4411 search->private_data = state; 4412 search->next_entry = ldapsam_search_next_entry; 4413 search->search_end = ldapsam_search_end; 4414 4415 return ldapsam_search_firstpage(search); 4416} 4417 4418static BOOL ldapsam_search_groups(struct pdb_methods *methods, 4419 struct pdb_search *search) 4420{ 4421 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP); 4422} 4423 4424static BOOL ldapsam_search_aliases(struct pdb_methods *methods, 4425 struct pdb_search *search, 4426 const DOM_SID *sid) 4427{ 4428 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS); 4429} 4430 4431static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods) 4432{ 4433 return False; 4434} 4435 4436static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv, 4437 uint32 *rid) 4438{ 4439 struct smbldap_state *smbldap_state = priv->smbldap_state; 4440 4441 LDAPMessage *result = NULL; 4442 LDAPMessage *entry = NULL; 4443 LDAPMod **mods = NULL; 4444 NTSTATUS status; 4445 char *value; 4446 int rc; 4447 uint32 nextRid = 0; 4448 const char *dn; 4449 4450 TALLOC_CTX *mem_ctx; 4451 4452 mem_ctx = talloc_new(NULL); 4453 if (mem_ctx == NULL) { 4454 DEBUG(0, ("talloc_new failed\n")); 4455 return NT_STATUS_NO_MEMORY; 4456 } 4457 4458 status = smbldap_search_domain_info(smbldap_state, &result, 4459 get_global_sam_name(), False); 4460 if (!NT_STATUS_IS_OK(status)) { 4461 DEBUG(3, ("Could not get domain info: %s\n", 4462 nt_errstr(status))); 4463 goto done; 4464 } 4465 4466 talloc_autofree_ldapmsg(mem_ctx, result); 4467 4468 entry = ldap_first_entry(priv2ld(priv), result); 4469 if (entry == NULL) { 4470 DEBUG(0, ("Could not get domain info entry\n")); 4471 status = NT_STATUS_INTERNAL_DB_CORRUPTION; 4472 goto done; 4473 } 4474 4475 /* Find the largest of the three attributes "sambaNextRid", 4476 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the 4477 concept of differentiating between user and group rids, and will 4478 use only "sambaNextRid" in the future. But for compatibility 4479 reasons I look if others have chosen different strategies -- VL */ 4480 4481 value = smbldap_talloc_single_attribute(priv2ld(priv), entry, 4482 "sambaNextRid", mem_ctx); 4483 if (value != NULL) { 4484 uint32 tmp = (uint32)strtoul(value, NULL, 10); 4485 nextRid = MAX(nextRid, tmp); 4486 } 4487 4488 value = smbldap_talloc_single_attribute(priv2ld(priv), entry, 4489 "sambaNextUserRid", mem_ctx); 4490 if (value != NULL) { 4491 uint32 tmp = (uint32)strtoul(value, NULL, 10); 4492 nextRid = MAX(nextRid, tmp); 4493 } 4494 4495 value = smbldap_talloc_single_attribute(priv2ld(priv), entry, 4496 "sambaNextGroupRid", mem_ctx); 4497 if (value != NULL) { 4498 uint32 tmp = (uint32)strtoul(value, NULL, 10); 4499 nextRid = MAX(nextRid, tmp); 4500 } 4501 4502 if (nextRid == 0) { 4503 nextRid = BASE_RID-1; 4504 } 4505 4506 nextRid += 1; 4507 4508 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid", 4509 talloc_asprintf(mem_ctx, "%d", nextRid)); 4510 talloc_autofree_ldapmod(mem_ctx, mods); 4511 4512 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) { 4513 status = NT_STATUS_NO_MEMORY; 4514 goto done; 4515 } 4516 4517 rc = smbldap_modify(smbldap_state, dn, mods); 4518 4519 /* ACCESS_DENIED is used as a placeholder for "the modify failed, 4520 * please retry" */ 4521 4522 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED; 4523 4524 done: 4525 if (NT_STATUS_IS_OK(status)) { 4526 *rid = nextRid; 4527 } 4528 4529 TALLOC_FREE(mem_ctx); 4530 return status; 4531} 4532 4533static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid) 4534{ 4535 int i; 4536 4537 for (i=0; i<10; i++) { 4538 NTSTATUS result = ldapsam_get_new_rid( 4539 (struct ldapsam_privates *)methods->private_data, rid); 4540 if (NT_STATUS_IS_OK(result)) { 4541 return result; 4542 } 4543 4544 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) { 4545 return result; 4546 } 4547 4548 /* The ldap update failed (maybe a race condition), retry */ 4549 } 4550 4551 /* Tried 10 times, fail. */ 4552 return NT_STATUS_ACCESS_DENIED; 4553} 4554 4555static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid) 4556{ 4557 NTSTATUS result = ldapsam_new_rid_internal(methods, rid); 4558 return NT_STATUS_IS_OK(result) ? True : False; 4559} 4560 4561static BOOL ldapsam_sid_to_id(struct pdb_methods *methods, 4562 const DOM_SID *sid, 4563 union unid_t *id, enum lsa_SidType *type) 4564{ 4565 struct ldapsam_privates *priv = 4566 (struct ldapsam_privates *)methods->private_data; 4567 char *filter; 4568 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber", 4569 NULL }; 4570 LDAPMessage *result = NULL; 4571 LDAPMessage *entry = NULL; 4572 BOOL ret = False; 4573 char *value; 4574 int rc; 4575 4576 TALLOC_CTX *mem_ctx; 4577 4578 mem_ctx = talloc_new(NULL); 4579 if (mem_ctx == NULL) { 4580 DEBUG(0, ("talloc_new failed\n")); 4581 return False; 4582 } 4583 4584 filter = talloc_asprintf(mem_ctx, 4585 "(&(sambaSid=%s)" 4586 "(|(objectClass=%s)(objectClass=%s)))", 4587 sid_string_static(sid), 4588 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT); 4589 if (filter == NULL) { 4590 DEBUG(5, ("talloc_asprintf failed\n")); 4591 goto done; 4592 } 4593 4594 rc = smbldap_search_suffix(priv->smbldap_state, filter, 4595 attrs, &result); 4596 if (rc != LDAP_SUCCESS) { 4597 goto done; 4598 } 4599 talloc_autofree_ldapmsg(mem_ctx, result); 4600 4601 if (ldap_count_entries(priv2ld(priv), result) != 1) { 4602 DEBUG(10, ("Got %d entries, expected one\n", 4603 ldap_count_entries(priv2ld(priv), result))); 4604 goto done; 4605 } 4606 4607 entry = ldap_first_entry(priv2ld(priv), result); 4608 4609 value = smbldap_talloc_single_attribute(priv2ld(priv), entry, 4610 "sambaGroupType", mem_ctx); 4611 4612 if (value != NULL) { 4613 const char *gid_str; 4614 /* It's a group */ 4615 4616 gid_str = smbldap_talloc_single_attribute( 4617 priv2ld(priv), entry, "gidNumber", mem_ctx); 4618 if (gid_str == NULL) { 4619 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n", 4620 smbldap_talloc_dn(mem_ctx, priv2ld(priv), 4621 entry))); 4622 goto done; 4623 } 4624 4625 id->gid = strtoul(gid_str, NULL, 10); 4626 *type = (enum lsa_SidType)strtoul(value, NULL, 10); 4627 ret = True; 4628 goto done; 4629 } 4630 4631 /* It must be a user */ 4632 4633 value = smbldap_talloc_single_attribute(priv2ld(priv), entry, 4634 "uidNumber", mem_ctx); 4635 if (value == NULL) { 4636 DEBUG(1, ("Could not find uidNumber in %s\n", 4637 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry))); 4638 goto done; 4639 } 4640 4641 id->uid = strtoul(value, NULL, 10); 4642 *type = SID_NAME_USER; 4643 4644 ret = True; 4645 done: 4646 TALLOC_FREE(mem_ctx); 4647 return ret; 4648} 4649 4650/* 4651 * The following functions is called only if 4652 * ldapsam:trusted and ldapsam:editposix are 4653 * set to true 4654 */ 4655 4656/* 4657 * ldapsam_create_user creates a new 4658 * posixAccount and sambaSamAccount object 4659 * in the ldap users subtree 4660 * 4661 * The uid is allocated by winbindd. 4662 */ 4663 4664static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods, 4665 TALLOC_CTX *tmp_ctx, const char *name, 4666 uint32 acb_info, uint32 *rid) 4667{ 4668 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 4669 LDAPMessage *entry = NULL; 4670 LDAPMessage *result = NULL; 4671 uint32 num_result; 4672 BOOL is_machine = False; 4673 BOOL add_posix = False; 4674 LDAPMod **mods = NULL; 4675 struct samu *user; 4676 char *filter; 4677 char *username; 4678 char *homedir; 4679 char *gidstr; 4680 char *uidstr; 4681 char *shell; 4682 const char *dn = NULL; 4683 DOM_SID group_sid; 4684 DOM_SID user_sid; 4685 gid_t gid = -1; 4686 uid_t uid = -1; 4687 NTSTATUS ret; 4688 int rc; 4689 4690 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') || 4691 acb_info & ACB_WSTRUST || 4692 acb_info & ACB_SVRTRUST || 4693 acb_info & ACB_DOMTRUST) { 4694 is_machine = True; 4695 } 4696 4697 username = escape_ldap_string_alloc(name); 4698 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))", 4699 username, LDAP_OBJ_POSIXACCOUNT); 4700 SAFE_FREE(username); 4701 4702 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 4703 if (rc != LDAP_SUCCESS) { 4704 DEBUG(0,("ldapsam_create_user: ldap search failed!\n")); 4705 return NT_STATUS_UNSUCCESSFUL; 4706 } 4707 talloc_autofree_ldapmsg(tmp_ctx, result); 4708 4709 num_result = ldap_count_entries(priv2ld(ldap_state), result); 4710 4711 if (num_result > 1) { 4712 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name)); 4713 return NT_STATUS_INTERNAL_DB_CORRUPTION; 4714 } 4715 4716 if (num_result == 1) { 4717 char *tmp; 4718 /* check if it is just a posix account. 4719 * or if there is a sid attached to this entry 4720 */ 4721 4722 entry = ldap_first_entry(priv2ld(ldap_state), result); 4723 if (!entry) { 4724 return NT_STATUS_UNSUCCESSFUL; 4725 } 4726 4727 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx); 4728 if (tmp) { 4729 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name)); 4730 return NT_STATUS_USER_EXISTS; 4731 } 4732 4733 /* it is just a posix account, retrieve the dn for later use */ 4734 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); 4735 if (!dn) { 4736 DEBUG(0,("ldapsam_create_user: Out of memory!\n")); 4737 return NT_STATUS_NO_MEMORY; 4738 } 4739 } 4740 4741 if (num_result == 0) { 4742 add_posix = True; 4743 } 4744 4745 /* Create the basic samu structure and generate the mods for the ldap commit */ 4746 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) { 4747 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n")); 4748 return ret; 4749 } 4750 4751 sid_compose(&user_sid, get_global_sam_sid(), *rid); 4752 4753 user = samu_new(tmp_ctx); 4754 if (!user) { 4755 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n")); 4756 return NT_STATUS_NO_MEMORY; 4757 } 4758 4759 if (!pdb_set_username(user, name, PDB_SET)) { 4760 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); 4761 return NT_STATUS_UNSUCCESSFUL; 4762 } 4763 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) { 4764 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); 4765 return NT_STATUS_UNSUCCESSFUL; 4766 } 4767 if (is_machine) { 4768 if (acb_info & ACB_NORMAL) { 4769 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) { 4770 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); 4771 return NT_STATUS_UNSUCCESSFUL; 4772 } 4773 } else { 4774 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) { 4775 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); 4776 return NT_STATUS_UNSUCCESSFUL; 4777 } 4778 } 4779 } else { 4780 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) { 4781 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); 4782 return NT_STATUS_UNSUCCESSFUL; 4783 } 4784 } 4785 4786 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) { 4787 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); 4788 return NT_STATUS_UNSUCCESSFUL; 4789 } 4790 4791 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) { 4792 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n")); 4793 return NT_STATUS_UNSUCCESSFUL; 4794 } 4795 4796 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) { 4797 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n")); 4798 } 4799 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT); 4800 4801 if (add_posix) { 4802 char *escape_name; 4803 4804 DEBUG(3,("ldapsam_create_user: Creating new posix user\n")); 4805 4806 /* retrieve the Domain Users group gid */ 4807 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) || 4808 !sid_to_gid(&group_sid, &gid)) { 4809 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n")); 4810 return NT_STATUS_INVALID_PRIMARY_GROUP; 4811 } 4812 4813 /* lets allocate a new userid for this user */ 4814 if (!winbind_allocate_uid(&uid)) { 4815 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n")); 4816 return NT_STATUS_UNSUCCESSFUL; 4817 } 4818 4819 4820 if (is_machine) { 4821 /* TODO: choose a more appropriate default for machines */ 4822 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid); 4823 shell = talloc_strdup(tmp_ctx, "/bin/false"); 4824 } else { 4825 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid); 4826 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid); 4827 } 4828 uidstr = talloc_asprintf(tmp_ctx, "%d", uid); 4829 gidstr = talloc_asprintf(tmp_ctx, "%d", gid); 4830 4831 escape_name = escape_rdn_val_string_alloc(name); 4832 if (!escape_name) { 4833 DEBUG (0, ("ldapsam_create_user: Out of memory!\n")); 4834 return NT_STATUS_NO_MEMORY; 4835 } 4836 4837 if (is_machine) { 4838 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ()); 4839 } else { 4840 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ()); 4841 } 4842 4843 SAFE_FREE(escape_name); 4844 4845 if (!homedir || !shell || !uidstr || !gidstr || !dn) { 4846 DEBUG (0, ("ldapsam_create_user: Out of memory!\n")); 4847 return NT_STATUS_NO_MEMORY; 4848 } 4849 4850 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT); 4851 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT); 4852 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name); 4853 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr); 4854 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr); 4855 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir); 4856 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell); 4857 } 4858 4859 talloc_autofree_ldapmod(tmp_ctx, mods); 4860 4861 if (add_posix) { 4862 rc = smbldap_add(ldap_state->smbldap_state, dn, mods); 4863 } else { 4864 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); 4865 } 4866 4867 if (rc != LDAP_SUCCESS) { 4868 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn)); 4869 return NT_STATUS_UNSUCCESSFUL; 4870 } 4871 4872 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name)); 4873 4874 flush_pwnam_cache(); 4875 4876 return NT_STATUS_OK; 4877} 4878 4879static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct) 4880{ 4881 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 4882 LDAPMessage *result = NULL; 4883 LDAPMessage *entry = NULL; 4884 int num_result; 4885 const char *dn; 4886 char *filter; 4887 int rc; 4888 4889 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct))); 4890 4891 filter = talloc_asprintf(tmp_ctx, 4892 "(&(uid=%s)" 4893 "(objectClass=%s)" 4894 "(objectClass=%s))", 4895 pdb_get_username(sam_acct), 4896 LDAP_OBJ_POSIXACCOUNT, 4897 LDAP_OBJ_SAMBASAMACCOUNT); 4898 if (filter == NULL) { 4899 return NT_STATUS_NO_MEMORY; 4900 } 4901 4902 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 4903 if (rc != LDAP_SUCCESS) { 4904 DEBUG(0,("ldapsam_delete_user: user search failed!\n")); 4905 return NT_STATUS_UNSUCCESSFUL; 4906 } 4907 talloc_autofree_ldapmsg(tmp_ctx, result); 4908 4909 num_result = ldap_count_entries(priv2ld(ldap_state), result); 4910 4911 if (num_result == 0) { 4912 DEBUG(0,("ldapsam_delete_user: user not found!\n")); 4913 return NT_STATUS_NO_SUCH_USER; 4914 } 4915 4916 if (num_result > 1) { 4917 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct))); 4918 return NT_STATUS_INTERNAL_DB_CORRUPTION; 4919 } 4920 4921 entry = ldap_first_entry(priv2ld(ldap_state), result); 4922 if (!entry) { 4923 return NT_STATUS_UNSUCCESSFUL; 4924 } 4925 4926 /* it is just a posix account, retrieve the dn for later use */ 4927 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); 4928 if (!dn) { 4929 DEBUG(0,("ldapsam_delete_user: Out of memory!\n")); 4930 return NT_STATUS_NO_MEMORY; 4931 } 4932 4933 rc = smbldap_delete(ldap_state->smbldap_state, dn); 4934 if (rc != LDAP_SUCCESS) { 4935 return NT_STATUS_UNSUCCESSFUL; 4936 } 4937 4938 flush_pwnam_cache(); 4939 4940 return NT_STATUS_OK; 4941} 4942 4943/* 4944 * ldapsam_create_group creates a new 4945 * posixGroup and sambaGroupMapping object 4946 * in the ldap groups subtree 4947 * 4948 * The gid is allocated by winbindd. 4949 */ 4950 4951static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods, 4952 TALLOC_CTX *tmp_ctx, 4953 const char *name, 4954 uint32 *rid) 4955{ 4956 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 4957 NTSTATUS ret; 4958 LDAPMessage *entry = NULL; 4959 LDAPMessage *result = NULL; 4960 uint32 num_result; 4961 BOOL is_new_entry = False; 4962 LDAPMod **mods = NULL; 4963 char *filter; 4964 char *groupsidstr; 4965 char *groupname; 4966 char *grouptype; 4967 char *gidstr; 4968 const char *dn = NULL; 4969 DOM_SID group_sid; 4970 gid_t gid = -1; 4971 int rc; 4972 4973 groupname = escape_ldap_string_alloc(name); 4974 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))", 4975 groupname, LDAP_OBJ_POSIXGROUP); 4976 SAFE_FREE(groupname); 4977 4978 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 4979 if (rc != LDAP_SUCCESS) { 4980 DEBUG(0,("ldapsam_create_group: ldap search failed!\n")); 4981 return NT_STATUS_UNSUCCESSFUL; 4982 } 4983 talloc_autofree_ldapmsg(tmp_ctx, result); 4984 4985 num_result = ldap_count_entries(priv2ld(ldap_state), result); 4986 4987 if (num_result > 1) { 4988 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name)); 4989 return NT_STATUS_INTERNAL_DB_CORRUPTION; 4990 } 4991 4992 if (num_result == 1) { 4993 char *tmp; 4994 /* check if it is just a posix group. 4995 * or if there is a sid attached to this entry 4996 */ 4997 4998 entry = ldap_first_entry(priv2ld(ldap_state), result); 4999 if (!entry) { 5000 return NT_STATUS_UNSUCCESSFUL; 5001 } 5002 5003 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx); 5004 if (tmp) { 5005 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name)); 5006 return NT_STATUS_GROUP_EXISTS; 5007 } 5008 5009 /* it is just a posix group, retrieve the gid and the dn for later use */ 5010 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx); 5011 if (!tmp) { 5012 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name)); 5013 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5014 } 5015 5016 gid = strtoul(tmp, NULL, 10); 5017 5018 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); 5019 if (!dn) { 5020 DEBUG(0,("ldapsam_create_group: Out of memory!\n")); 5021 return NT_STATUS_NO_MEMORY; 5022 } 5023 } 5024 5025 if (num_result == 0) { 5026 char *escape_name; 5027 5028 DEBUG(3,("ldapsam_create_user: Creating new posix group\n")); 5029 5030 is_new_entry = True; 5031 5032 /* lets allocate a new groupid for this group */ 5033 if (!winbind_allocate_gid(&gid)) { 5034 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n")); 5035 return NT_STATUS_UNSUCCESSFUL; 5036 } 5037 5038 gidstr = talloc_asprintf(tmp_ctx, "%d", gid); 5039 5040 escape_name = escape_rdn_val_string_alloc(name); 5041 if (!escape_name) { 5042 DEBUG (0, ("ldapsam_create_group: Out of memory!\n")); 5043 return NT_STATUS_NO_MEMORY; 5044 } 5045 5046 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix()); 5047 5048 SAFE_FREE(escape_name); 5049 5050 if (!gidstr || !dn) { 5051 DEBUG (0, ("ldapsam_create_group: Out of memory!\n")); 5052 return NT_STATUS_NO_MEMORY; 5053 } 5054 5055 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP); 5056 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name); 5057 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr); 5058 } 5059 5060 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) { 5061 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n")); 5062 return ret; 5063 } 5064 5065 sid_compose(&group_sid, get_global_sam_sid(), *rid); 5066 5067 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid)); 5068 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP); 5069 5070 if (!groupsidstr || !grouptype) { 5071 DEBUG(0,("ldapsam_create_group: Out of memory!\n")); 5072 return NT_STATUS_NO_MEMORY; 5073 } 5074 5075 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP); 5076 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr); 5077 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype); 5078 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name); 5079 talloc_autofree_ldapmod(tmp_ctx, mods); 5080 5081 if (is_new_entry) { 5082 rc = smbldap_add(ldap_state->smbldap_state, dn, mods); 5083#if 0 5084 if (rc == LDAP_OBJECT_CLASS_VIOLATION) { 5085 /* This call may fail with rfc2307bis schema */ 5086 /* Retry adding a structural class */ 5087 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????"); 5088 rc = smbldap_add(ldap_state->smbldap_state, dn, mods); 5089 } 5090#endif 5091 } else { 5092 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); 5093 } 5094 5095 if (rc != LDAP_SUCCESS) { 5096 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn)); 5097 return NT_STATUS_UNSUCCESSFUL; 5098 } 5099 5100 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name)); 5101 5102 return NT_STATUS_OK; 5103} 5104 5105static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid) 5106{ 5107 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 5108 LDAPMessage *result = NULL; 5109 LDAPMessage *entry = NULL; 5110 int num_result; 5111 const char *dn; 5112 char *gidstr; 5113 char *filter; 5114 DOM_SID group_sid; 5115 int rc; 5116 5117 /* get the group sid */ 5118 sid_compose(&group_sid, get_global_sam_sid(), rid); 5119 5120 filter = talloc_asprintf(tmp_ctx, 5121 "(&(sambaSID=%s)" 5122 "(objectClass=%s)" 5123 "(objectClass=%s))", 5124 sid_string_static(&group_sid), 5125 LDAP_OBJ_POSIXGROUP, 5126 LDAP_OBJ_GROUPMAP); 5127 if (filter == NULL) { 5128 return NT_STATUS_NO_MEMORY; 5129 } 5130 5131 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 5132 if (rc != LDAP_SUCCESS) { 5133 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n")); 5134 return NT_STATUS_UNSUCCESSFUL; 5135 } 5136 talloc_autofree_ldapmsg(tmp_ctx, result); 5137 5138 num_result = ldap_count_entries(priv2ld(ldap_state), result); 5139 5140 if (num_result == 0) { 5141 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n")); 5142 return NT_STATUS_NO_SUCH_GROUP; 5143 } 5144 5145 if (num_result > 1) { 5146 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n")); 5147 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5148 } 5149 5150 entry = ldap_first_entry(priv2ld(ldap_state), result); 5151 if (!entry) { 5152 return NT_STATUS_UNSUCCESSFUL; 5153 } 5154 5155 /* here it is, retrieve the dn for later use */ 5156 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); 5157 if (!dn) { 5158 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n")); 5159 return NT_STATUS_NO_MEMORY; 5160 } 5161 5162 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx); 5163 if (!gidstr) { 5164 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n")); 5165 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5166 } 5167 5168 /* check no user have this group marked as primary group */ 5169 filter = talloc_asprintf(tmp_ctx, 5170 "(&(gidNumber=%s)" 5171 "(objectClass=%s)" 5172 "(objectClass=%s))", 5173 gidstr, 5174 LDAP_OBJ_POSIXACCOUNT, 5175 LDAP_OBJ_SAMBASAMACCOUNT); 5176 5177 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 5178 if (rc != LDAP_SUCCESS) { 5179 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n")); 5180 return NT_STATUS_UNSUCCESSFUL; 5181 } 5182 talloc_autofree_ldapmsg(tmp_ctx, result); 5183 5184 num_result = ldap_count_entries(priv2ld(ldap_state), result); 5185 5186 if (num_result != 0) { 5187 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result)); 5188 return NT_STATUS_MEMBERS_PRIMARY_GROUP; 5189 } 5190 5191 rc = smbldap_delete(ldap_state->smbldap_state, dn); 5192 if (rc != LDAP_SUCCESS) { 5193 return NT_STATUS_UNSUCCESSFUL; 5194 } 5195 5196 return NT_STATUS_OK; 5197} 5198 5199static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods, 5200 TALLOC_CTX *tmp_ctx, 5201 uint32 group_rid, 5202 uint32 member_rid, 5203 int modop) 5204{ 5205 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 5206 LDAPMessage *entry = NULL; 5207 LDAPMessage *result = NULL; 5208 uint32 num_result; 5209 LDAPMod **mods = NULL; 5210 char *filter; 5211 char *uidstr; 5212 const char *dn = NULL; 5213 DOM_SID group_sid; 5214 DOM_SID member_sid; 5215 int rc; 5216 5217 switch (modop) { 5218 case LDAP_MOD_ADD: 5219 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid)); 5220 break; 5221 case LDAP_MOD_DELETE: 5222 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid)); 5223 break; 5224 default: 5225 return NT_STATUS_UNSUCCESSFUL; 5226 } 5227 5228 /* get member sid */ 5229 sid_compose(&member_sid, get_global_sam_sid(), member_rid); 5230 5231 /* get the group sid */ 5232 sid_compose(&group_sid, get_global_sam_sid(), group_rid); 5233 5234 filter = talloc_asprintf(tmp_ctx, 5235 "(&(sambaSID=%s)" 5236 "(objectClass=%s)" 5237 "(objectClass=%s))", 5238 sid_string_static(&member_sid), 5239 LDAP_OBJ_POSIXACCOUNT, 5240 LDAP_OBJ_SAMBASAMACCOUNT); 5241 if (filter == NULL) { 5242 return NT_STATUS_NO_MEMORY; 5243 } 5244 5245 /* get the member uid */ 5246 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 5247 if (rc != LDAP_SUCCESS) { 5248 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n")); 5249 return NT_STATUS_UNSUCCESSFUL; 5250 } 5251 talloc_autofree_ldapmsg(tmp_ctx, result); 5252 5253 num_result = ldap_count_entries(priv2ld(ldap_state), result); 5254 5255 if (num_result == 0) { 5256 DEBUG(1,("ldapsam_change_groupmem: member not found!\n")); 5257 return NT_STATUS_NO_SUCH_MEMBER; 5258 } 5259 5260 if (num_result > 1) { 5261 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n")); 5262 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5263 } 5264 5265 entry = ldap_first_entry(priv2ld(ldap_state), result); 5266 if (!entry) { 5267 return NT_STATUS_UNSUCCESSFUL; 5268 } 5269 5270 if (modop == LDAP_MOD_DELETE) { 5271 /* check if we are trying to remove the member from his primary group */ 5272 char *gidstr; 5273 gid_t user_gid, group_gid; 5274 5275 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx); 5276 if (!gidstr) { 5277 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n")); 5278 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5279 } 5280 5281 user_gid = strtoul(gidstr, NULL, 10); 5282 5283 if (!sid_to_gid(&group_sid, &group_gid)) { 5284 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n")); 5285 return NT_STATUS_UNSUCCESSFUL; 5286 } 5287 5288 if (user_gid == group_gid) { 5289 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n")); 5290 return NT_STATUS_MEMBERS_PRIMARY_GROUP; 5291 } 5292 } 5293 5294 /* here it is, retrieve the uid for later use */ 5295 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx); 5296 if (!uidstr) { 5297 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n")); 5298 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5299 } 5300 5301 filter = talloc_asprintf(tmp_ctx, 5302 "(&(sambaSID=%s)" 5303 "(objectClass=%s)" 5304 "(objectClass=%s))", 5305 sid_string_static(&group_sid), 5306 LDAP_OBJ_POSIXGROUP, 5307 LDAP_OBJ_GROUPMAP); 5308 5309 /* get the group */ 5310 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 5311 if (rc != LDAP_SUCCESS) { 5312 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n")); 5313 return NT_STATUS_UNSUCCESSFUL; 5314 } 5315 talloc_autofree_ldapmsg(tmp_ctx, result); 5316 5317 num_result = ldap_count_entries(priv2ld(ldap_state), result); 5318 5319 if (num_result == 0) { 5320 DEBUG(1,("ldapsam_change_groupmem: group not found!\n")); 5321 return NT_STATUS_NO_SUCH_GROUP; 5322 } 5323 5324 if (num_result > 1) { 5325 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n")); 5326 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5327 } 5328 5329 entry = ldap_first_entry(priv2ld(ldap_state), result); 5330 if (!entry) { 5331 return NT_STATUS_UNSUCCESSFUL; 5332 } 5333 5334 /* here it is, retrieve the dn for later use */ 5335 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry); 5336 if (!dn) { 5337 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n")); 5338 return NT_STATUS_NO_MEMORY; 5339 } 5340 5341 smbldap_set_mod(&mods, modop, "memberUid", uidstr); 5342 5343 talloc_autofree_ldapmod(tmp_ctx, mods); 5344 5345 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); 5346 if (rc != LDAP_SUCCESS) { 5347 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) { 5348 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n")); 5349 return NT_STATUS_MEMBER_IN_GROUP; 5350 } 5351 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) { 5352 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n")); 5353 return NT_STATUS_MEMBER_NOT_IN_GROUP; 5354 } 5355 return NT_STATUS_UNSUCCESSFUL; 5356 } 5357 5358 return NT_STATUS_OK; 5359} 5360 5361static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods, 5362 TALLOC_CTX *tmp_ctx, 5363 uint32 group_rid, 5364 uint32 member_rid) 5365{ 5366 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD); 5367} 5368static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods, 5369 TALLOC_CTX *tmp_ctx, 5370 uint32 group_rid, 5371 uint32 member_rid) 5372{ 5373 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE); 5374} 5375 5376static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods, 5377 TALLOC_CTX *mem_ctx, 5378 struct samu *sampass) 5379{ 5380 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; 5381 LDAPMessage *entry = NULL; 5382 LDAPMessage *result = NULL; 5383 uint32 num_result; 5384 LDAPMod **mods = NULL; 5385 char *filter; 5386 char *escape_username; 5387 char *gidstr; 5388 const char *dn = NULL; 5389 gid_t gid; 5390 int rc; 5391 5392 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass))); 5393 5394 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) { 5395 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n")); 5396 return NT_STATUS_UNSUCCESSFUL; 5397 } 5398 gidstr = talloc_asprintf(mem_ctx, "%d", gid); 5399 if (!gidstr) { 5400 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n")); 5401 return NT_STATUS_NO_MEMORY; 5402 } 5403 5404 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass)); 5405 if (escape_username== NULL) { 5406 return NT_STATUS_NO_MEMORY; 5407 } 5408 5409 filter = talloc_asprintf(mem_ctx, 5410 "(&(uid=%s)" 5411 "(objectClass=%s)" 5412 "(objectClass=%s))", 5413 escape_username, 5414 LDAP_OBJ_POSIXACCOUNT, 5415 LDAP_OBJ_SAMBASAMACCOUNT); 5416 5417 SAFE_FREE(escape_username); 5418 5419 if (filter == NULL) { 5420 return NT_STATUS_NO_MEMORY; 5421 } 5422 5423 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result); 5424 if (rc != LDAP_SUCCESS) { 5425 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n")); 5426 return NT_STATUS_UNSUCCESSFUL; 5427 } 5428 talloc_autofree_ldapmsg(mem_ctx, result); 5429 5430 num_result = ldap_count_entries(priv2ld(ldap_state), result); 5431 5432 if (num_result == 0) { 5433 DEBUG(0,("ldapsam_set_primary_group: user not found!\n")); 5434 return NT_STATUS_NO_SUCH_USER; 5435 } 5436 5437 if (num_result > 1) { 5438 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass))); 5439 return NT_STATUS_INTERNAL_DB_CORRUPTION; 5440 } 5441 5442 entry = ldap_first_entry(priv2ld(ldap_state), result); 5443 if (!entry) { 5444 return NT_STATUS_UNSUCCESSFUL; 5445 } 5446 5447 /* retrieve the dn for later use */ 5448 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry); 5449 if (!dn) { 5450 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n")); 5451 return NT_STATUS_NO_MEMORY; 5452 } 5453 5454 /* remove the old one, and add the new one, this way we do not risk races */ 5455 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr); 5456 5457 if (mods == NULL) { 5458 return NT_STATUS_OK; 5459 } 5460 5461 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods); 5462 5463 if (rc != LDAP_SUCCESS) { 5464 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n", 5465 pdb_get_username(sampass), gidstr)); 5466 return NT_STATUS_UNSUCCESSFUL; 5467 } 5468 5469 flush_pwnam_cache(); 5470 5471 return NT_STATUS_OK; 5472} 5473 5474/********************************************************************** 5475 Housekeeping 5476 *********************************************************************/ 5477 5478static void free_private_data(void **vp) 5479{ 5480 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp; 5481 5482 smbldap_free_struct(&(*ldap_state)->smbldap_state); 5483 5484 if ((*ldap_state)->result != NULL) { 5485 ldap_msgfree((*ldap_state)->result); 5486 (*ldap_state)->result = NULL; 5487 } 5488 if ((*ldap_state)->domain_dn != NULL) { 5489 SAFE_FREE((*ldap_state)->domain_dn); 5490 } 5491 5492 *ldap_state = NULL; 5493 5494 /* No need to free any further, as it is talloc()ed */ 5495} 5496 5497/********************************************************************* 5498 Intitalise the parts of the pdb_methods structure that are common to 5499 all pdb_ldap modes 5500*********************************************************************/ 5501 5502static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location) 5503{ 5504 NTSTATUS nt_status; 5505 struct ldapsam_privates *ldap_state; 5506 5507 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) { 5508 return nt_status; 5509 } 5510 5511 (*pdb_method)->name = "ldapsam"; 5512 5513 (*pdb_method)->setsampwent = ldapsam_setsampwent; 5514 (*pdb_method)->endsampwent = ldapsam_endsampwent; 5515 (*pdb_method)->getsampwent = ldapsam_getsampwent; 5516 (*pdb_method)->getsampwnam = ldapsam_getsampwnam; 5517 (*pdb_method)->getsampwsid = ldapsam_getsampwsid; 5518 (*pdb_method)->add_sam_account = ldapsam_add_sam_account; 5519 (*pdb_method)->update_sam_account = ldapsam_update_sam_account; 5520 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account; 5521 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account; 5522 5523 (*pdb_method)->getgrsid = ldapsam_getgrsid; 5524 (*pdb_method)->getgrgid = ldapsam_getgrgid; 5525 (*pdb_method)->getgrnam = ldapsam_getgrnam; 5526 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry; 5527 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry; 5528 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry; 5529 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping; 5530 5531 (*pdb_method)->get_account_policy = ldapsam_get_account_policy; 5532 (*pdb_method)->set_account_policy = ldapsam_set_account_policy; 5533 5534 (*pdb_method)->get_seq_num = ldapsam_get_seq_num; 5535 5536 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm; 5537 (*pdb_method)->new_rid = ldapsam_new_rid; 5538 5539 /* TODO: Setup private data and free */ 5540 5541 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) { 5542 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n")); 5543 return NT_STATUS_NO_MEMORY; 5544 } 5545 5546 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state); 5547 5548 if ( !NT_STATUS_IS_OK(nt_status) ) { 5549 return nt_status; 5550 } 5551 5552 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) { 5553 return NT_STATUS_NO_MEMORY; 5554 } 5555 5556 (*pdb_method)->private_data = ldap_state; 5557 5558 (*pdb_method)->free_private_data = free_private_data; 5559 5560 return NT_STATUS_OK; 5561} 5562 5563/********************************************************************** 5564 Initialise the 'compat' mode for pdb_ldap 5565 *********************************************************************/ 5566 5567NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location) 5568{ 5569 NTSTATUS nt_status; 5570 struct ldapsam_privates *ldap_state; 5571 char *uri = talloc_strdup( NULL, location ); 5572 5573 trim_char( uri, '\"', '\"' ); 5574 nt_status = pdb_init_ldapsam_common( pdb_method, uri ); 5575 if ( uri ) 5576 TALLOC_FREE( uri ); 5577 5578 if ( !NT_STATUS_IS_OK(nt_status) ) { 5579 return nt_status; 5580 } 5581 5582 (*pdb_method)->name = "ldapsam_compat"; 5583 5584 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data); 5585 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT; 5586 5587 sid_copy(&ldap_state->domain_sid, get_global_sam_sid()); 5588 5589 return NT_STATUS_OK; 5590} 5591 5592/********************************************************************** 5593 Initialise the normal mode for pdb_ldap 5594 *********************************************************************/ 5595 5596NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location) 5597{ 5598 NTSTATUS nt_status; 5599 struct ldapsam_privates *ldap_state; 5600 uint32 alg_rid_base; 5601 pstring alg_rid_base_string; 5602 LDAPMessage *result = NULL; 5603 LDAPMessage *entry = NULL; 5604 DOM_SID ldap_domain_sid; 5605 DOM_SID secrets_domain_sid; 5606 pstring domain_sid_string; 5607 char *dn; 5608 char *uri = talloc_strdup( NULL, location ); 5609 5610 trim_char( uri, '\"', '\"' ); 5611 nt_status = pdb_init_ldapsam_common(pdb_method, uri); 5612 if ( uri ) 5613 TALLOC_FREE( uri ); 5614 5615 if (!NT_STATUS_IS_OK(nt_status)) { 5616 return nt_status; 5617 } 5618 5619 (*pdb_method)->name = "ldapsam"; 5620 5621 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem; 5622 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem; 5623 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem; 5624 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships; 5625 (*pdb_method)->search_users = ldapsam_search_users; 5626 (*pdb_method)->search_groups = ldapsam_search_groups; 5627 (*pdb_method)->search_aliases = ldapsam_search_aliases; 5628 5629 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) { 5630 (*pdb_method)->enum_group_members = ldapsam_enum_group_members; 5631 (*pdb_method)->enum_group_memberships = 5632 ldapsam_enum_group_memberships; 5633 (*pdb_method)->lookup_rids = ldapsam_lookup_rids; 5634 (*pdb_method)->sid_to_id = ldapsam_sid_to_id; 5635 5636 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) { 5637 (*pdb_method)->create_user = ldapsam_create_user; 5638 (*pdb_method)->delete_user = ldapsam_delete_user; 5639 (*pdb_method)->create_dom_group = ldapsam_create_dom_group; 5640 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group; 5641 (*pdb_method)->add_groupmem = ldapsam_add_groupmem; 5642 (*pdb_method)->del_groupmem = ldapsam_del_groupmem; 5643 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group; 5644 } 5645 } 5646 5647 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data); 5648 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT; 5649 5650 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */ 5651 5652 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state, 5653 &result, 5654 ldap_state->domain_name, True); 5655 5656 if ( !NT_STATUS_IS_OK(nt_status) ) { 5657 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain " 5658 "info, nor add one to the domain\n")); 5659 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, " 5660 "will be unable to allocate new users/groups, " 5661 "and will risk BDCs having inconsistant SIDs\n")); 5662 sid_copy(&ldap_state->domain_sid, get_global_sam_sid()); 5663 return NT_STATUS_OK; 5664 } 5665 5666 /* Given that the above might fail, everything below this must be 5667 * optional */ 5668 5669 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, 5670 result); 5671 if (!entry) { 5672 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info " 5673 "entry\n")); 5674 ldap_msgfree(result); 5675 return NT_STATUS_UNSUCCESSFUL; 5676 } 5677 5678 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry); 5679 if (!dn) { 5680 ldap_msgfree(result); 5681 return NT_STATUS_UNSUCCESSFUL; 5682 } 5683 5684 ldap_state->domain_dn = smb_xstrdup(dn); 5685 ldap_memfree(dn); 5686 5687 if (smbldap_get_single_pstring( 5688 ldap_state->smbldap_state->ldap_struct, 5689 entry, 5690 get_userattr_key2string(ldap_state->schema_ver, 5691 LDAP_ATTR_USER_SID), 5692 domain_sid_string)) { 5693 BOOL found_sid; 5694 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) { 5695 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be " 5696 "read as a valid SID\n", domain_sid_string)); 5697 ldap_msgfree(result); 5698 return NT_STATUS_INVALID_PARAMETER; 5699 } 5700 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name, 5701 &secrets_domain_sid); 5702 if (!found_sid || !sid_equal(&secrets_domain_sid, 5703 &ldap_domain_sid)) { 5704 fstring new_sid_str, old_sid_str; 5705 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain " 5706 "%s based on pdb_ldap results %s -> %s\n", 5707 ldap_state->domain_name, 5708 sid_to_string(old_sid_str, 5709 &secrets_domain_sid), 5710 sid_to_string(new_sid_str, 5711 &ldap_domain_sid))); 5712 5713 /* reset secrets.tdb sid */ 5714 secrets_store_domain_sid(ldap_state->domain_name, 5715 &ldap_domain_sid); 5716 DEBUG(1, ("New global sam SID: %s\n", 5717 sid_to_string(new_sid_str, 5718 get_global_sam_sid()))); 5719 } 5720 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid); 5721 } 5722 5723 if (smbldap_get_single_pstring( 5724 ldap_state->smbldap_state->ldap_struct, 5725 entry, 5726 get_attr_key2string( dominfo_attr_list, 5727 LDAP_ATTR_ALGORITHMIC_RID_BASE ), 5728 alg_rid_base_string)) { 5729 alg_rid_base = (uint32)atol(alg_rid_base_string); 5730 if (alg_rid_base != algorithmic_rid_base()) { 5731 DEBUG(0, ("The value of 'algorithmic RID base' has " 5732 "changed since the LDAP\n" 5733 "database was initialised. Aborting. \n")); 5734 ldap_msgfree(result); 5735 return NT_STATUS_UNSUCCESSFUL; 5736 } 5737 } 5738 ldap_msgfree(result); 5739 5740 return NT_STATUS_OK; 5741} 5742 5743NTSTATUS pdb_ldap_init(void) 5744{ 5745 NTSTATUS nt_status; 5746 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam))) 5747 return nt_status; 5748 5749 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat))) 5750 return nt_status; 5751 5752 /* Let pdb_nds register backends */ 5753 pdb_nds_init(); 5754 5755 return NT_STATUS_OK; 5756} 5757