1/* 2 Unix SMB/CIFS implementation. 3 Password and authentication handling 4 Copyright (C) Jeremy Allison 1996-2001 5 Copyright (C) Luke Kenneth Casson Leighton 1996-1998 6 Copyright (C) Gerald (Jerry) Carter 2000-2006 7 Copyright (C) Andrew Bartlett 2001-2002 8 Copyright (C) Simo Sorce 2003 9 Copyright (C) Volker Lendecke 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#include "includes.h" 27 28#undef DBGC_CLASS 29#define DBGC_CLASS DBGC_PASSDB 30 31/****************************************************************** 32 get the default domain/netbios name to be used when 33 testing authentication. For example, if you connect 34 to a Windows member server using a bogus domain name, the 35 Windows box will map the BOGUS\user to DOMAIN\user. A 36 standalone box will map to WKS\user. 37******************************************************************/ 38 39const char *my_sam_name(void) 40{ 41 /* standalone servers can only use the local netbios name */ 42 if ( lp_server_role() == ROLE_STANDALONE ) 43 return global_myname(); 44 45 /* Windows domain members default to the DOMAIN 46 name when not specified */ 47 return lp_workgroup(); 48} 49 50/********************************************************************** 51***********************************************************************/ 52 53static int samu_destroy(struct samu *user) 54{ 55 data_blob_clear_free( &user->lm_pw ); 56 data_blob_clear_free( &user->nt_pw ); 57 58 if ( user->plaintext_pw ) 59 memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) ); 60 61 return 0; 62} 63 64/********************************************************************** 65 generate a new struct samuser 66***********************************************************************/ 67 68struct samu *samu_new( TALLOC_CTX *ctx ) 69{ 70 struct samu *user; 71 72 if ( !(user = TALLOC_ZERO_P( ctx, struct samu )) ) { 73 DEBUG(0,("samuser_new: Talloc failed!\n")); 74 return NULL; 75 } 76 77 talloc_set_destructor( user, samu_destroy ); 78 79 /* no initial methods */ 80 81 user->methods = NULL; 82 83 /* Don't change these timestamp settings without a good reason. 84 They are important for NT member server compatibility. */ 85 86 user->logon_time = (time_t)0; 87 user->pass_last_set_time = (time_t)0; 88 user->pass_can_change_time = (time_t)0; 89 user->logoff_time = get_time_t_max(); 90 user->kickoff_time = get_time_t_max(); 91 user->pass_must_change_time = get_time_t_max(); 92 user->fields_present = 0x00ffffff; 93 user->logon_divs = 168; /* hours per week */ 94 user->hours_len = 21; /* 21 times 8 bits = 168 */ 95 memset(user->hours, 0xff, user->hours_len); /* available at all hours */ 96 user->bad_password_count = 0; 97 user->logon_count = 0; 98 user->unknown_6 = 0x000004ec; /* don't know */ 99 100 /* Some parts of samba strlen their pdb_get...() returns, 101 so this keeps the interface unchanged for now. */ 102 103 user->username = ""; 104 user->domain = ""; 105 user->nt_username = ""; 106 user->full_name = ""; 107 user->home_dir = ""; 108 user->logon_script = ""; 109 user->profile_path = ""; 110 user->acct_desc = ""; 111 user->workstations = ""; 112 user->comment = ""; 113 user->munged_dial = ""; 114 115 user->plaintext_pw = NULL; 116 117 /* Unless we know otherwise have a Account Control Bit 118 value of 'normal user'. This helps User Manager, which 119 asks for a filtered list of users. */ 120 121 user->acct_ctrl = ACB_NORMAL; 122 123 124 return user; 125} 126 127/********************************************************************* 128 Initialize a struct samu from a struct passwd including the user 129 and group SIDs. The *user structure is filled out with the Unix 130 attributes and a user SID. 131*********************************************************************/ 132 133static NTSTATUS samu_set_unix_internal(struct samu *user, const struct passwd *pwd, BOOL create) 134{ 135 const char *guest_account = lp_guestaccount(); 136 const char *domain = global_myname(); 137 uint32 urid; 138 139 if ( !pwd ) { 140 return NT_STATUS_NO_SUCH_USER; 141 } 142 143 /* Basic properties based upon the Unix account information */ 144 145 pdb_set_username(user, pwd->pw_name, PDB_SET); 146 pdb_set_fullname(user, pwd->pw_gecos, PDB_SET); 147 pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT); 148#if 0 149 /* This can lead to a primary group of S-1-22-2-XX which 150 will be rejected by other parts of the Samba code. 151 Rely on pdb_get_group_sid() to "Do The Right Thing" (TM) 152 --jerry */ 153 154 gid_to_sid(&group_sid, pwd->pw_gid); 155 pdb_set_group_sid(user, &group_sid, PDB_SET); 156#endif 157 158 /* save the password structure for later use */ 159 160 user->unix_pw = tcopy_passwd( user, pwd ); 161 162 /* Special case for the guest account which must have a RID of 501 */ 163 164 if ( strequal( pwd->pw_name, guest_account ) ) { 165 if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) { 166 return NT_STATUS_NO_SUCH_USER; 167 } 168 return NT_STATUS_OK; 169 } 170 171 /* Non-guest accounts...Check for a workstation or user account */ 172 173 if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') { 174 /* workstation */ 175 176 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) { 177 DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n", 178 pwd->pw_name)); 179 return NT_STATUS_INVALID_COMPUTER_NAME; 180 } 181 } 182 else { 183 /* user */ 184 185 if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) { 186 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n", 187 pwd->pw_name)); 188 return NT_STATUS_INVALID_ACCOUNT_NAME; 189 } 190 191 /* set some basic attributes */ 192 193 pdb_set_profile_path(user, talloc_sub_specified(user, 194 lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid), 195 PDB_DEFAULT); 196 pdb_set_homedir(user, talloc_sub_specified(user, 197 lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid), 198 PDB_DEFAULT); 199 pdb_set_dir_drive(user, talloc_sub_specified(user, 200 lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid), 201 PDB_DEFAULT); 202 pdb_set_logon_script(user, talloc_sub_specified(user, 203 lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid), 204 PDB_DEFAULT); 205 } 206 207 /* Now deal with the user SID. If we have a backend that can generate 208 RIDs, then do so. But sometimes the caller just wanted a structure 209 initialized and will fill in these fields later (such as from a 210 NET_USER_INFO_3 structure) */ 211 212 if ( create && !pdb_rid_algorithm() ) { 213 uint32 user_rid; 214 DOM_SID user_sid; 215 216 if ( !pdb_new_rid( &user_rid ) ) { 217 DEBUG(3, ("Could not allocate a new RID\n")); 218 return NT_STATUS_ACCESS_DENIED; 219 } 220 221 sid_copy( &user_sid, get_global_sam_sid() ); 222 sid_append_rid( &user_sid, user_rid ); 223 224 if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) { 225 DEBUG(3, ("pdb_set_user_sid failed\n")); 226 return NT_STATUS_INTERNAL_ERROR; 227 } 228 229 return NT_STATUS_OK; 230 } 231 232 /* generate a SID for the user with the RID algorithm */ 233 234 urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid ); 235 236 if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) { 237 return NT_STATUS_INTERNAL_ERROR; 238 } 239 240 return NT_STATUS_OK; 241} 242 243/******************************************************************** 244 Set the Unix user attributes 245********************************************************************/ 246 247NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd) 248{ 249 return samu_set_unix_internal( user, pwd, False ); 250} 251 252NTSTATUS samu_alloc_rid_unix(struct samu *user, const struct passwd *pwd) 253{ 254 return samu_set_unix_internal( user, pwd, True ); 255} 256 257/********************************************************** 258 Encode the account control bits into a string. 259 length = length of string to encode into (including terminating 260 null). length *MUST BE MORE THAN 2* ! 261 **********************************************************/ 262 263char *pdb_encode_acct_ctrl(uint32 acct_ctrl, size_t length) 264{ 265 static fstring acct_str; 266 267 size_t i = 0; 268 269 SMB_ASSERT(length <= sizeof(acct_str)); 270 271 acct_str[i++] = '['; 272 273 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N'; 274 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D'; 275 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H'; 276 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T'; 277 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U'; 278 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M'; 279 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W'; 280 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S'; 281 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L'; 282 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X'; 283 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I'; 284 285 for ( ; i < length - 2 ; i++ ) 286 acct_str[i] = ' '; 287 288 i = length - 2; 289 acct_str[i++] = ']'; 290 acct_str[i++] = '\0'; 291 292 return acct_str; 293} 294 295/********************************************************** 296 Decode the account control bits from a string. 297 **********************************************************/ 298 299uint32 pdb_decode_acct_ctrl(const char *p) 300{ 301 uint32 acct_ctrl = 0; 302 BOOL finished = False; 303 304 /* 305 * Check if the account type bits have been encoded after the 306 * NT password (in the form [NDHTUWSLXI]). 307 */ 308 309 if (*p != '[') 310 return 0; 311 312 for (p++; *p && !finished; p++) { 313 switch (*p) { 314 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ } 315 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ } 316 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ } 317 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ } 318 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ } 319 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ } 320 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ } 321 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ } 322 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ } 323 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ } 324 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ } 325 case ' ': { break; } 326 case ':': 327 case '\n': 328 case '\0': 329 case ']': 330 default: { finished = True; } 331 } 332 } 333 334 return acct_ctrl; 335} 336 337/************************************************************* 338 Routine to set 32 hex password characters from a 16 byte array. 339**************************************************************/ 340 341void pdb_sethexpwd(char *p, const unsigned char *pwd, uint32 acct_ctrl) 342{ 343 if (pwd != NULL) { 344 int i; 345 for (i = 0; i < 16; i++) 346 slprintf(&p[i*2], 3, "%02X", pwd[i]); 347 } else { 348 if (acct_ctrl & ACB_PWNOTREQ) 349 safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 32); 350 else 351 safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 32); 352 } 353} 354 355/************************************************************* 356 Routine to get the 32 hex characters and turn them 357 into a 16 byte array. 358**************************************************************/ 359 360BOOL pdb_gethexpwd(const char *p, unsigned char *pwd) 361{ 362 int i; 363 unsigned char lonybble, hinybble; 364 const char *hexchars = "0123456789ABCDEF"; 365 char *p1, *p2; 366 367 if (!p) 368 return (False); 369 370 for (i = 0; i < 32; i += 2) { 371 hinybble = toupper_ascii(p[i]); 372 lonybble = toupper_ascii(p[i + 1]); 373 374 p1 = strchr(hexchars, hinybble); 375 p2 = strchr(hexchars, lonybble); 376 377 if (!p1 || !p2) 378 return (False); 379 380 hinybble = PTR_DIFF(p1, hexchars); 381 lonybble = PTR_DIFF(p2, hexchars); 382 383 pwd[i / 2] = (hinybble << 4) | lonybble; 384 } 385 return (True); 386} 387 388/************************************************************* 389 Routine to set 42 hex hours characters from a 21 byte array. 390**************************************************************/ 391 392void pdb_sethexhours(char *p, const unsigned char *hours) 393{ 394 if (hours != NULL) { 395 int i; 396 for (i = 0; i < 21; i++) { 397 slprintf(&p[i*2], 3, "%02X", hours[i]); 398 } 399 } else { 400 safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43); 401 } 402} 403 404/************************************************************* 405 Routine to get the 42 hex characters and turn them 406 into a 21 byte array. 407**************************************************************/ 408 409BOOL pdb_gethexhours(const char *p, unsigned char *hours) 410{ 411 int i; 412 unsigned char lonybble, hinybble; 413 const char *hexchars = "0123456789ABCDEF"; 414 char *p1, *p2; 415 416 if (!p) { 417 return (False); 418 } 419 420 for (i = 0; i < 42; i += 2) { 421 hinybble = toupper_ascii(p[i]); 422 lonybble = toupper_ascii(p[i + 1]); 423 424 p1 = strchr(hexchars, hinybble); 425 p2 = strchr(hexchars, lonybble); 426 427 if (!p1 || !p2) { 428 return (False); 429 } 430 431 hinybble = PTR_DIFF(p1, hexchars); 432 lonybble = PTR_DIFF(p2, hexchars); 433 434 hours[i / 2] = (hinybble << 4) | lonybble; 435 } 436 return (True); 437} 438 439/******************************************************************** 440********************************************************************/ 441 442int algorithmic_rid_base(void) 443{ 444 static int rid_offset = 0; 445 446 if (rid_offset != 0) 447 return rid_offset; 448 449 rid_offset = lp_algorithmic_rid_base(); 450 451 if (rid_offset < BASE_RID) { 452 /* Try to prevent admin foot-shooting, we can't put algorithmic 453 rids below 1000, that's the 'well known RIDs' on NT */ 454 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID)); 455 rid_offset = BASE_RID; 456 } 457 if (rid_offset & 1) { 458 DEBUG(0, ("algorithmic rid base must be even\n")); 459 rid_offset += 1; 460 } 461 return rid_offset; 462} 463 464/******************************************************************* 465 Converts NT user RID to a UNIX uid. 466 ********************************************************************/ 467 468uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid) 469{ 470 int rid_offset = algorithmic_rid_base(); 471 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER); 472} 473 474uid_t max_algorithmic_uid(void) 475{ 476 return algorithmic_pdb_user_rid_to_uid(0xfffffffe); 477} 478 479/******************************************************************* 480 converts UNIX uid to an NT User RID. 481 ********************************************************************/ 482 483uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid) 484{ 485 int rid_offset = algorithmic_rid_base(); 486 return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE); 487} 488 489/******************************************************************* 490 Converts NT group RID to a UNIX gid. 491 ********************************************************************/ 492 493gid_t pdb_group_rid_to_gid(uint32 group_rid) 494{ 495 int rid_offset = algorithmic_rid_base(); 496 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER); 497} 498 499gid_t max_algorithmic_gid(void) 500{ 501 return pdb_group_rid_to_gid(0xffffffff); 502} 503 504/******************************************************************* 505 converts NT Group RID to a UNIX uid. 506 507 warning: you must not call that function only 508 you must do a call to the group mapping first. 509 there is not anymore a direct link between the gid and the rid. 510 ********************************************************************/ 511 512uint32 algorithmic_pdb_gid_to_group_rid(gid_t gid) 513{ 514 int rid_offset = algorithmic_rid_base(); 515 return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE); 516} 517 518/******************************************************************* 519 Decides if a RID is a well known RID. 520 ********************************************************************/ 521 522static BOOL rid_is_well_known(uint32 rid) 523{ 524 /* Not using rid_offset here, because this is the actual 525 NT fixed value (1000) */ 526 527 return (rid < BASE_RID); 528} 529 530/******************************************************************* 531 Decides if a RID is a user or group RID. 532 ********************************************************************/ 533 534BOOL algorithmic_pdb_rid_is_user(uint32 rid) 535{ 536 if ( rid_is_well_known(rid) ) { 537 /* 538 * The only well known user RIDs are DOMAIN_USER_RID_ADMIN 539 * and DOMAIN_USER_RID_GUEST. 540 */ 541 if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST) 542 return True; 543 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) { 544 return True; 545 } 546 return False; 547} 548 549/******************************************************************* 550 Convert a name into a SID. Used in the lookup name rpc. 551 ********************************************************************/ 552 553BOOL lookup_global_sam_name(const char *user, int flags, uint32_t *rid, 554 enum lsa_SidType *type) 555{ 556 GROUP_MAP map; 557 BOOL ret; 558 559 /* Windows treats "MACHINE\None" as a special name for 560 rid 513 on non-DCs. You cannot create a user or group 561 name "None" on Windows. You will get an error that 562 the group already exists. */ 563 564 if ( strequal( user, "None" ) ) { 565 *rid = DOMAIN_GROUP_RID_USERS; 566 *type = SID_NAME_DOM_GRP; 567 568 return True; 569 } 570 571 /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work 572 * correctly in the case where foo also exists as a user. If the flag 573 * is set, don't look for users at all. */ 574 575 if ((flags & LOOKUP_NAME_GROUP) == 0) { 576 struct samu *sam_account = NULL; 577 DOM_SID user_sid; 578 579 if ( !(sam_account = samu_new( NULL )) ) { 580 return False; 581 } 582 583 become_root(); 584 ret = pdb_getsampwnam(sam_account, user); 585 unbecome_root(); 586 587 if (ret) { 588 sid_copy(&user_sid, pdb_get_user_sid(sam_account)); 589 } 590 591 TALLOC_FREE(sam_account); 592 593 if (ret) { 594 if (!sid_check_is_in_our_domain(&user_sid)) { 595 DEBUG(0, ("User %s with invalid SID %s in passdb\n", 596 user, sid_string_static(&user_sid))); 597 return False; 598 } 599 600 sid_peek_rid(&user_sid, rid); 601 *type = SID_NAME_USER; 602 return True; 603 } 604 } 605 606 /* 607 * Maybe it is a group ? 608 */ 609 610 become_root(); 611 ret = pdb_getgrnam(&map, user); 612 unbecome_root(); 613 614 if (!ret) { 615 return False; 616 } 617 618 /* BUILTIN groups are looked up elsewhere */ 619 if (!sid_check_is_in_our_domain(&map.sid)) { 620 DEBUG(10, ("Found group %s (%s) not in our domain -- " 621 "ignoring.", user, 622 sid_string_static(&map.sid))); 623 return False; 624 } 625 626 /* yes it's a mapped group */ 627 sid_peek_rid(&map.sid, rid); 628 *type = map.sid_name_use; 629 return True; 630} 631 632/************************************************************* 633 Change a password entry in the local smbpasswd file. 634 *************************************************************/ 635 636NTSTATUS local_password_change(const char *user_name, int local_flags, 637 const char *new_passwd, 638 char *err_str, size_t err_str_len, 639 char *msg_str, size_t msg_str_len) 640{ 641 struct samu *sam_pass=NULL; 642 uint32 other_acb; 643 NTSTATUS result; 644 645 *err_str = '\0'; 646 *msg_str = '\0'; 647 648 /* Get the smb passwd entry for this user */ 649 650 if ( !(sam_pass = samu_new( NULL )) ) { 651 return NT_STATUS_NO_MEMORY; 652 } 653 654 become_root(); 655 if(!pdb_getsampwnam(sam_pass, user_name)) { 656 unbecome_root(); 657 TALLOC_FREE(sam_pass); 658 659 if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) { 660 int tmp_debug = DEBUGLEVEL; 661 struct passwd *pwd; 662 663 /* Might not exist in /etc/passwd. */ 664 665 if (tmp_debug < 1) { 666 DEBUGLEVEL = 1; 667 } 668 669 if ( !(pwd = getpwnam_alloc( NULL, user_name)) ) { 670 return NT_STATUS_NO_SUCH_USER; 671 } 672 673 /* create the struct samu and initialize the basic Unix properties */ 674 675 if ( !(sam_pass = samu_new( NULL )) ) { 676 return NT_STATUS_NO_MEMORY; 677 } 678 679 result = samu_set_unix( sam_pass, pwd ); 680 681 DEBUGLEVEL = tmp_debug; 682 683 TALLOC_FREE( pwd ); 684 685 if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) { 686 return result; 687 } 688 689 if (!NT_STATUS_IS_OK(result)) { 690 slprintf(err_str, err_str_len-1, "Failed to " "initialize account for user %s: %s\n", 691 user_name, nt_errstr(result)); 692 return result; 693 } 694 } else { 695 slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name); 696 return NT_STATUS_NO_SUCH_USER; 697 } 698 } else { 699 unbecome_root(); 700 /* the entry already existed */ 701 local_flags &= ~LOCAL_ADD_USER; 702 } 703 704 /* the 'other' acb bits not being changed here */ 705 other_acb = (pdb_get_acct_ctrl(sam_pass) & (~(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL))); 706 if (local_flags & LOCAL_TRUST_ACCOUNT) { 707 if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) { 708 slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name); 709 TALLOC_FREE(sam_pass); 710 return NT_STATUS_UNSUCCESSFUL; 711 } 712 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) { 713 if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) { 714 slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name); 715 TALLOC_FREE(sam_pass); 716 return NT_STATUS_UNSUCCESSFUL; 717 } 718 } else { 719 if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) { 720 slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name); 721 TALLOC_FREE(sam_pass); 722 return NT_STATUS_UNSUCCESSFUL; 723 } 724 } 725 726 /* 727 * We are root - just write the new password 728 * and the valid last change time. 729 */ 730 731 if (local_flags & LOCAL_DISABLE_USER) { 732 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) { 733 slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name); 734 TALLOC_FREE(sam_pass); 735 return NT_STATUS_UNSUCCESSFUL; 736 } 737 } else if (local_flags & LOCAL_ENABLE_USER) { 738 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) { 739 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name); 740 TALLOC_FREE(sam_pass); 741 return NT_STATUS_UNSUCCESSFUL; 742 } 743 } 744 745 if (local_flags & LOCAL_SET_NO_PASSWORD) { 746 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) { 747 slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name); 748 TALLOC_FREE(sam_pass); 749 return NT_STATUS_UNSUCCESSFUL; 750 } 751 } else if (local_flags & LOCAL_SET_PASSWORD) { 752 /* 753 * If we're dealing with setting a completely empty user account 754 * ie. One with a password of 'XXXX', but not set disabled (like 755 * an account created from scratch) then if the old password was 756 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag. 757 * We remove that as we're giving this user their first password 758 * and the decision hasn't really been made to disable them (ie. 759 * don't create them disabled). JRA. 760 */ 761 if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) { 762 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) { 763 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name); 764 TALLOC_FREE(sam_pass); 765 return NT_STATUS_UNSUCCESSFUL; 766 } 767 } 768 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) { 769 slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name); 770 TALLOC_FREE(sam_pass); 771 return NT_STATUS_UNSUCCESSFUL; 772 } 773 774 if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) { 775 slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name); 776 TALLOC_FREE(sam_pass); 777 return NT_STATUS_UNSUCCESSFUL; 778 } 779 } 780 781 if (local_flags & LOCAL_ADD_USER) { 782 if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) { 783 slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name); 784 TALLOC_FREE(sam_pass); 785 return NT_STATUS_OK; 786 } else { 787 slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name); 788 TALLOC_FREE(sam_pass); 789 return NT_STATUS_UNSUCCESSFUL; 790 } 791 } else if (local_flags & LOCAL_DELETE_USER) { 792 if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) { 793 slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name); 794 TALLOC_FREE(sam_pass); 795 return NT_STATUS_UNSUCCESSFUL; 796 } 797 slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name); 798 } else { 799 result = pdb_update_sam_account(sam_pass); 800 if(!NT_STATUS_IS_OK(result)) { 801 slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name); 802 TALLOC_FREE(sam_pass); 803 return result; 804 } 805 if(local_flags & LOCAL_DISABLE_USER) 806 slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name); 807 else if (local_flags & LOCAL_ENABLE_USER) 808 slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name); 809 else if (local_flags & LOCAL_SET_NO_PASSWORD) 810 slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name); 811 } 812 813 TALLOC_FREE(sam_pass); 814 return NT_STATUS_OK; 815} 816 817/********************************************************************** 818 Marshall/unmarshall struct samu structs. 819 *********************************************************************/ 820 821#define TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" 822 823/********************************************************************* 824*********************************************************************/ 825 826BOOL init_sam_from_buffer_v3(struct samu *sampass, uint8 *buf, uint32 buflen) 827{ 828 829 /* times are stored as 32bit integer 830 take care on system with 64bit wide time_t 831 --SSS */ 832 uint32 logon_time, 833 logoff_time, 834 kickoff_time, 835 bad_password_time, 836 pass_last_set_time, 837 pass_can_change_time, 838 pass_must_change_time; 839 char *username = NULL; 840 char *domain = NULL; 841 char *nt_username = NULL; 842 char *dir_drive = NULL; 843 char *unknown_str = NULL; 844 char *munged_dial = NULL; 845 char *fullname = NULL; 846 char *homedir = NULL; 847 char *logon_script = NULL; 848 char *profile_path = NULL; 849 char *acct_desc = NULL; 850 char *workstations = NULL; 851 uint32 username_len, domain_len, nt_username_len, 852 dir_drive_len, unknown_str_len, munged_dial_len, 853 fullname_len, homedir_len, logon_script_len, 854 profile_path_len, acct_desc_len, workstations_len; 855 856 uint32 user_rid, group_rid, hours_len, unknown_6, acct_ctrl; 857 uint16 logon_divs; 858 uint16 bad_password_count, logon_count; 859 uint8 *hours = NULL; 860 uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL; 861 uint32 len = 0; 862 uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen; 863 uint32 pwHistLen = 0; 864 BOOL ret = True; 865 fstring tmpstring; 866 BOOL expand_explicit = lp_passdb_expand_explicit(); 867 868 if(sampass == NULL || buf == NULL) { 869 DEBUG(0, ("init_sam_from_buffer_v3: NULL parameters found!\n")); 870 return False; 871 } 872 873/* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */ 874 875 /* unpack the buffer into variables */ 876 len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V3, 877 &logon_time, /* d */ 878 &logoff_time, /* d */ 879 &kickoff_time, /* d */ 880 &bad_password_time, /* d */ 881 &pass_last_set_time, /* d */ 882 &pass_can_change_time, /* d */ 883 &pass_must_change_time, /* d */ 884 &username_len, &username, /* B */ 885 &domain_len, &domain, /* B */ 886 &nt_username_len, &nt_username, /* B */ 887 &fullname_len, &fullname, /* B */ 888 &homedir_len, &homedir, /* B */ 889 &dir_drive_len, &dir_drive, /* B */ 890 &logon_script_len, &logon_script, /* B */ 891 &profile_path_len, &profile_path, /* B */ 892 &acct_desc_len, &acct_desc, /* B */ 893 &workstations_len, &workstations, /* B */ 894 &unknown_str_len, &unknown_str, /* B */ 895 &munged_dial_len, &munged_dial, /* B */ 896 &user_rid, /* d */ 897 &group_rid, /* d */ 898 &lm_pw_len, &lm_pw_ptr, /* B */ 899 &nt_pw_len, &nt_pw_ptr, /* B */ 900 /* Change from V1 is addition of password history field. */ 901 &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */ 902 /* Change from V2 is the uint32 acb_mask */ 903 &acct_ctrl, /* d */ 904 /* Also "remove_me" field was removed. */ 905 &logon_divs, /* w */ 906 &hours_len, /* d */ 907 &hourslen, &hours, /* B */ 908 &bad_password_count, /* w */ 909 &logon_count, /* w */ 910 &unknown_6); /* d */ 911 912 if (len == (uint32) -1) { 913 ret = False; 914 goto done; 915 } 916 917 pdb_set_logon_time(sampass, convert_uint32_to_time_t(logon_time), PDB_SET); 918 pdb_set_logoff_time(sampass, convert_uint32_to_time_t(logoff_time), PDB_SET); 919 pdb_set_kickoff_time(sampass, convert_uint32_to_time_t(kickoff_time), PDB_SET); 920 pdb_set_bad_password_time(sampass, convert_uint32_to_time_t(bad_password_time), PDB_SET); 921 pdb_set_pass_can_change_time(sampass, convert_uint32_to_time_t(pass_can_change_time), PDB_SET); 922 pdb_set_pass_must_change_time(sampass, convert_uint32_to_time_t(pass_must_change_time), PDB_SET); 923 pdb_set_pass_last_set_time(sampass, convert_uint32_to_time_t(pass_last_set_time), PDB_SET); 924 925 pdb_set_username(sampass, username, PDB_SET); 926 pdb_set_domain(sampass, domain, PDB_SET); 927 pdb_set_nt_username(sampass, nt_username, PDB_SET); 928 pdb_set_fullname(sampass, fullname, PDB_SET); 929 930 if (homedir) { 931 fstrcpy( tmpstring, homedir ); 932 if (expand_explicit) { 933 standard_sub_basic( username, domain, tmpstring, 934 sizeof(tmpstring) ); 935 } 936 pdb_set_homedir(sampass, tmpstring, PDB_SET); 937 } 938 else { 939 pdb_set_homedir(sampass, 940 talloc_sub_basic(sampass, username, domain, 941 lp_logon_home()), 942 PDB_DEFAULT); 943 } 944 945 if (dir_drive) 946 pdb_set_dir_drive(sampass, dir_drive, PDB_SET); 947 else 948 pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT ); 949 950 if (logon_script) { 951 fstrcpy( tmpstring, logon_script ); 952 if (expand_explicit) { 953 standard_sub_basic( username, domain, tmpstring, 954 sizeof(tmpstring) ); 955 } 956 pdb_set_logon_script(sampass, tmpstring, PDB_SET); 957 } 958 else { 959 pdb_set_logon_script(sampass, 960 talloc_sub_basic(sampass, username, domain, 961 lp_logon_script()), 962 PDB_DEFAULT); 963 } 964 965 if (profile_path) { 966 fstrcpy( tmpstring, profile_path ); 967 if (expand_explicit) { 968 standard_sub_basic( username, domain, tmpstring, 969 sizeof(tmpstring) ); 970 } 971 pdb_set_profile_path(sampass, tmpstring, PDB_SET); 972 } 973 else { 974 pdb_set_profile_path(sampass, 975 talloc_sub_basic(sampass, username, domain, lp_logon_path()), 976 PDB_DEFAULT); 977 } 978 979 pdb_set_acct_desc(sampass, acct_desc, PDB_SET); 980 pdb_set_workstations(sampass, workstations, PDB_SET); 981 pdb_set_munged_dial(sampass, munged_dial, PDB_SET); 982 983 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) { 984 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) { 985 ret = False; 986 goto done; 987 } 988 } 989 990 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) { 991 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) { 992 ret = False; 993 goto done; 994 } 995 } 996 997 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen); 998 if (pwHistLen) { 999 uint8 *pw_hist = (uint8 *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN); 1000 if (!pw_hist) { 1001 ret = False; 1002 goto done; 1003 } 1004 memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN); 1005 if (nt_pw_hist_ptr && nt_pw_hist_len) { 1006 int i; 1007 SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0); 1008 nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN; 1009 for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) { 1010 memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN], 1011 &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN], 1012 PW_HISTORY_ENTRY_LEN); 1013 } 1014 } 1015 if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) { 1016 SAFE_FREE(pw_hist); 1017 ret = False; 1018 goto done; 1019 } 1020 SAFE_FREE(pw_hist); 1021 } else { 1022 pdb_set_pw_history(sampass, NULL, 0, PDB_SET); 1023 } 1024 1025 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); 1026 pdb_set_hours_len(sampass, hours_len, PDB_SET); 1027 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET); 1028 pdb_set_logon_count(sampass, logon_count, PDB_SET); 1029 pdb_set_unknown_6(sampass, unknown_6, PDB_SET); 1030 /* Change from V2 is the uint32 acct_ctrl */ 1031 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET); 1032 pdb_set_logon_divs(sampass, logon_divs, PDB_SET); 1033 pdb_set_hours(sampass, hours, PDB_SET); 1034 1035done: 1036 1037 SAFE_FREE(username); 1038 SAFE_FREE(domain); 1039 SAFE_FREE(nt_username); 1040 SAFE_FREE(fullname); 1041 SAFE_FREE(homedir); 1042 SAFE_FREE(dir_drive); 1043 SAFE_FREE(logon_script); 1044 SAFE_FREE(profile_path); 1045 SAFE_FREE(acct_desc); 1046 SAFE_FREE(workstations); 1047 SAFE_FREE(munged_dial); 1048 SAFE_FREE(unknown_str); 1049 SAFE_FREE(lm_pw_ptr); 1050 SAFE_FREE(nt_pw_ptr); 1051 SAFE_FREE(nt_pw_hist_ptr); 1052 SAFE_FREE(hours); 1053 1054 return ret; 1055} 1056 1057/********************************************************************* 1058*********************************************************************/ 1059 1060uint32 init_buffer_from_sam_v3 (uint8 **buf, struct samu *sampass, BOOL size_only) 1061{ 1062 size_t len, buflen; 1063 1064 /* times are stored as 32bit integer 1065 take care on system with 64bit wide time_t 1066 --SSS */ 1067 uint32 logon_time, 1068 logoff_time, 1069 kickoff_time, 1070 bad_password_time, 1071 pass_last_set_time, 1072 pass_can_change_time, 1073 pass_must_change_time; 1074 1075 uint32 user_rid, group_rid; 1076 1077 const char *username; 1078 const char *domain; 1079 const char *nt_username; 1080 const char *dir_drive; 1081 const char *unknown_str; 1082 const char *munged_dial; 1083 const char *fullname; 1084 const char *homedir; 1085 const char *logon_script; 1086 const char *profile_path; 1087 const char *acct_desc; 1088 const char *workstations; 1089 uint32 username_len, domain_len, nt_username_len, 1090 dir_drive_len, unknown_str_len, munged_dial_len, 1091 fullname_len, homedir_len, logon_script_len, 1092 profile_path_len, acct_desc_len, workstations_len; 1093 1094 const uint8 *lm_pw; 1095 const uint8 *nt_pw; 1096 const uint8 *nt_pw_hist; 1097 uint32 lm_pw_len = 16; 1098 uint32 nt_pw_len = 16; 1099 uint32 nt_pw_hist_len; 1100 uint32 pwHistLen = 0; 1101 1102 *buf = NULL; 1103 buflen = 0; 1104 1105 logon_time = convert_time_t_to_uint32(pdb_get_logon_time(sampass)); 1106 logoff_time = convert_time_t_to_uint32(pdb_get_logoff_time(sampass)); 1107 kickoff_time = convert_time_t_to_uint32(pdb_get_kickoff_time(sampass)); 1108 bad_password_time = convert_time_t_to_uint32(pdb_get_bad_password_time(sampass)); 1109 pass_can_change_time = convert_time_t_to_uint32(pdb_get_pass_can_change_time_noncalc(sampass)); 1110 pass_must_change_time = convert_time_t_to_uint32(pdb_get_pass_must_change_time(sampass)); 1111 pass_last_set_time = convert_time_t_to_uint32(pdb_get_pass_last_set_time(sampass)); 1112 1113 user_rid = pdb_get_user_rid(sampass); 1114 group_rid = pdb_get_group_rid(sampass); 1115 1116 username = pdb_get_username(sampass); 1117 if (username) { 1118 username_len = strlen(username) +1; 1119 } else { 1120 username_len = 0; 1121 } 1122 1123 domain = pdb_get_domain(sampass); 1124 if (domain) { 1125 domain_len = strlen(domain) +1; 1126 } else { 1127 domain_len = 0; 1128 } 1129 1130 nt_username = pdb_get_nt_username(sampass); 1131 if (nt_username) { 1132 nt_username_len = strlen(nt_username) +1; 1133 } else { 1134 nt_username_len = 0; 1135 } 1136 1137 fullname = pdb_get_fullname(sampass); 1138 if (fullname) { 1139 fullname_len = strlen(fullname) +1; 1140 } else { 1141 fullname_len = 0; 1142 } 1143 1144 /* 1145 * Only updates fields which have been set (not defaults from smb.conf) 1146 */ 1147 1148 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) { 1149 dir_drive = pdb_get_dir_drive(sampass); 1150 } else { 1151 dir_drive = NULL; 1152 } 1153 if (dir_drive) { 1154 dir_drive_len = strlen(dir_drive) +1; 1155 } else { 1156 dir_drive_len = 0; 1157 } 1158 1159 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) { 1160 homedir = pdb_get_homedir(sampass); 1161 } else { 1162 homedir = NULL; 1163 } 1164 if (homedir) { 1165 homedir_len = strlen(homedir) +1; 1166 } else { 1167 homedir_len = 0; 1168 } 1169 1170 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) { 1171 logon_script = pdb_get_logon_script(sampass); 1172 } else { 1173 logon_script = NULL; 1174 } 1175 if (logon_script) { 1176 logon_script_len = strlen(logon_script) +1; 1177 } else { 1178 logon_script_len = 0; 1179 } 1180 1181 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) { 1182 profile_path = pdb_get_profile_path(sampass); 1183 } else { 1184 profile_path = NULL; 1185 } 1186 if (profile_path) { 1187 profile_path_len = strlen(profile_path) +1; 1188 } else { 1189 profile_path_len = 0; 1190 } 1191 1192 lm_pw = pdb_get_lanman_passwd(sampass); 1193 if (!lm_pw) { 1194 lm_pw_len = 0; 1195 } 1196 1197 nt_pw = pdb_get_nt_passwd(sampass); 1198 if (!nt_pw) { 1199 nt_pw_len = 0; 1200 } 1201 1202 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen); 1203 nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len); 1204 if (pwHistLen && nt_pw_hist && nt_pw_hist_len) { 1205 nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN; 1206 } else { 1207 nt_pw_hist_len = 0; 1208 } 1209 1210 acct_desc = pdb_get_acct_desc(sampass); 1211 if (acct_desc) { 1212 acct_desc_len = strlen(acct_desc) +1; 1213 } else { 1214 acct_desc_len = 0; 1215 } 1216 1217 workstations = pdb_get_workstations(sampass); 1218 if (workstations) { 1219 workstations_len = strlen(workstations) +1; 1220 } else { 1221 workstations_len = 0; 1222 } 1223 1224 unknown_str = NULL; 1225 unknown_str_len = 0; 1226 1227 munged_dial = pdb_get_munged_dial(sampass); 1228 if (munged_dial) { 1229 munged_dial_len = strlen(munged_dial) +1; 1230 } else { 1231 munged_dial_len = 0; 1232 } 1233 1234/* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */ 1235 1236 /* one time to get the size needed */ 1237 len = tdb_pack(NULL, 0, TDB_FORMAT_STRING_V3, 1238 logon_time, /* d */ 1239 logoff_time, /* d */ 1240 kickoff_time, /* d */ 1241 bad_password_time, /* d */ 1242 pass_last_set_time, /* d */ 1243 pass_can_change_time, /* d */ 1244 pass_must_change_time, /* d */ 1245 username_len, username, /* B */ 1246 domain_len, domain, /* B */ 1247 nt_username_len, nt_username, /* B */ 1248 fullname_len, fullname, /* B */ 1249 homedir_len, homedir, /* B */ 1250 dir_drive_len, dir_drive, /* B */ 1251 logon_script_len, logon_script, /* B */ 1252 profile_path_len, profile_path, /* B */ 1253 acct_desc_len, acct_desc, /* B */ 1254 workstations_len, workstations, /* B */ 1255 unknown_str_len, unknown_str, /* B */ 1256 munged_dial_len, munged_dial, /* B */ 1257 user_rid, /* d */ 1258 group_rid, /* d */ 1259 lm_pw_len, lm_pw, /* B */ 1260 nt_pw_len, nt_pw, /* B */ 1261 nt_pw_hist_len, nt_pw_hist, /* B */ 1262 pdb_get_acct_ctrl(sampass), /* d */ 1263 pdb_get_logon_divs(sampass), /* w */ 1264 pdb_get_hours_len(sampass), /* d */ 1265 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */ 1266 pdb_get_bad_password_count(sampass), /* w */ 1267 pdb_get_logon_count(sampass), /* w */ 1268 pdb_get_unknown_6(sampass)); /* d */ 1269 1270 if (size_only) { 1271 return buflen; 1272 } 1273 1274 /* malloc the space needed */ 1275 if ( (*buf=(uint8*)SMB_MALLOC(len)) == NULL) { 1276 DEBUG(0,("init_buffer_from_sam_v3: Unable to malloc() memory for buffer!\n")); 1277 return (-1); 1278 } 1279 1280 /* now for the real call to tdb_pack() */ 1281 buflen = tdb_pack((char *)*buf, len, TDB_FORMAT_STRING_V3, 1282 logon_time, /* d */ 1283 logoff_time, /* d */ 1284 kickoff_time, /* d */ 1285 bad_password_time, /* d */ 1286 pass_last_set_time, /* d */ 1287 pass_can_change_time, /* d */ 1288 pass_must_change_time, /* d */ 1289 username_len, username, /* B */ 1290 domain_len, domain, /* B */ 1291 nt_username_len, nt_username, /* B */ 1292 fullname_len, fullname, /* B */ 1293 homedir_len, homedir, /* B */ 1294 dir_drive_len, dir_drive, /* B */ 1295 logon_script_len, logon_script, /* B */ 1296 profile_path_len, profile_path, /* B */ 1297 acct_desc_len, acct_desc, /* B */ 1298 workstations_len, workstations, /* B */ 1299 unknown_str_len, unknown_str, /* B */ 1300 munged_dial_len, munged_dial, /* B */ 1301 user_rid, /* d */ 1302 group_rid, /* d */ 1303 lm_pw_len, lm_pw, /* B */ 1304 nt_pw_len, nt_pw, /* B */ 1305 nt_pw_hist_len, nt_pw_hist, /* B */ 1306 pdb_get_acct_ctrl(sampass), /* d */ 1307 pdb_get_logon_divs(sampass), /* w */ 1308 pdb_get_hours_len(sampass), /* d */ 1309 MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */ 1310 pdb_get_bad_password_count(sampass), /* w */ 1311 pdb_get_logon_count(sampass), /* w */ 1312 pdb_get_unknown_6(sampass)); /* d */ 1313 1314 /* check to make sure we got it correct */ 1315 if (buflen != len) { 1316 DEBUG(0, ("init_buffer_from_sam_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n", 1317 (unsigned long)buflen, (unsigned long)len)); 1318 /* error */ 1319 SAFE_FREE (*buf); 1320 return (-1); 1321 } 1322 1323 return (buflen); 1324} 1325 1326 1327/********************************************************************* 1328*********************************************************************/ 1329 1330BOOL pdb_copy_sam_account(struct samu *dst, struct samu *src ) 1331{ 1332 uint8 *buf = NULL; 1333 int len; 1334 1335 len = init_buffer_from_sam_v3(&buf, src, False); 1336 if (len == -1 || !buf) { 1337 SAFE_FREE(buf); 1338 return False; 1339 } 1340 1341 if (!init_sam_from_buffer_v3( dst, buf, len )) { 1342 free(buf); 1343 return False; 1344 } 1345 1346 dst->methods = src->methods; 1347 1348 if ( src->unix_pw ) { 1349 dst->unix_pw = tcopy_passwd( dst, src->unix_pw ); 1350 if (!dst->unix_pw) { 1351 free(buf); 1352 return False; 1353 } 1354 } 1355 1356 free(buf); 1357 return True; 1358} 1359 1360/********************************************************************* 1361 Update the bad password count checking the AP_RESET_COUNT_TIME 1362*********************************************************************/ 1363 1364BOOL pdb_update_bad_password_count(struct samu *sampass, BOOL *updated) 1365{ 1366 time_t LastBadPassword; 1367 uint16 BadPasswordCount; 1368 uint32 resettime; 1369 BOOL res; 1370 1371 BadPasswordCount = pdb_get_bad_password_count(sampass); 1372 if (!BadPasswordCount) { 1373 DEBUG(9, ("No bad password attempts.\n")); 1374 return True; 1375 } 1376 1377 become_root(); 1378 res = pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime); 1379 unbecome_root(); 1380 1381 if (!res) { 1382 DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n")); 1383 return False; 1384 } 1385 1386 /* First, check if there is a reset time to compare */ 1387 if ((resettime == (uint32) -1) || (resettime == 0)) { 1388 DEBUG(9, ("No reset time, can't reset bad pw count\n")); 1389 return True; 1390 } 1391 1392 LastBadPassword = pdb_get_bad_password_time(sampass); 1393 DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n", 1394 (uint32) LastBadPassword, resettime, (uint32)time(NULL))); 1395 if (time(NULL) > (LastBadPassword + convert_uint32_to_time_t(resettime)*60)){ 1396 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED); 1397 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED); 1398 if (updated) { 1399 *updated = True; 1400 } 1401 } 1402 1403 return True; 1404} 1405 1406/********************************************************************* 1407 Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION 1408*********************************************************************/ 1409 1410BOOL pdb_update_autolock_flag(struct samu *sampass, BOOL *updated) 1411{ 1412 uint32 duration; 1413 time_t LastBadPassword; 1414 BOOL res; 1415 1416 if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) { 1417 DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n", 1418 pdb_get_username(sampass))); 1419 return True; 1420 } 1421 1422 become_root(); 1423 res = pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration); 1424 unbecome_root(); 1425 1426 if (!res) { 1427 DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n")); 1428 return False; 1429 } 1430 1431 /* First, check if there is a duration to compare */ 1432 if ((duration == (uint32) -1) || (duration == 0)) { 1433 DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n")); 1434 return True; 1435 } 1436 1437 LastBadPassword = pdb_get_bad_password_time(sampass); 1438 DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n", 1439 pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL))); 1440 1441 if (LastBadPassword == (time_t)0) { 1442 DEBUG(1,("pdb_update_autolock_flag: Account %s administratively locked out with no \ 1443bad password time. Leaving locked out.\n", 1444 pdb_get_username(sampass) )); 1445 return True; 1446 } 1447 1448 if ((time(NULL) > (LastBadPassword + convert_uint32_to_time_t(duration) * 60))) { 1449 pdb_set_acct_ctrl(sampass, 1450 pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK, 1451 PDB_CHANGED); 1452 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED); 1453 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED); 1454 if (updated) { 1455 *updated = True; 1456 } 1457 } 1458 1459 return True; 1460} 1461 1462/********************************************************************* 1463 Increment the bad_password_count 1464*********************************************************************/ 1465 1466BOOL pdb_increment_bad_password_count(struct samu *sampass) 1467{ 1468 uint32 account_policy_lockout; 1469 BOOL autolock_updated = False, badpw_updated = False; 1470 BOOL ret; 1471 1472 /* Retrieve the account lockout policy */ 1473 become_root(); 1474 ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout); 1475 unbecome_root(); 1476 if ( !ret ) { 1477 DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n")); 1478 return False; 1479 } 1480 1481 /* If there is no policy, we don't need to continue checking */ 1482 if (!account_policy_lockout) { 1483 DEBUG(9, ("No lockout policy, don't track bad passwords\n")); 1484 return True; 1485 } 1486 1487 /* Check if the autolock needs to be cleared */ 1488 if (!pdb_update_autolock_flag(sampass, &autolock_updated)) 1489 return False; 1490 1491 /* Check if the badpw count needs to be reset */ 1492 if (!pdb_update_bad_password_count(sampass, &badpw_updated)) 1493 return False; 1494 1495 /* 1496 Ok, now we can assume that any resetting that needs to be 1497 done has been done, and just get on with incrementing 1498 and autolocking if necessary 1499 */ 1500 1501 pdb_set_bad_password_count(sampass, 1502 pdb_get_bad_password_count(sampass)+1, 1503 PDB_CHANGED); 1504 pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED); 1505 1506 1507 if (pdb_get_bad_password_count(sampass) < account_policy_lockout) 1508 return True; 1509 1510 if (!pdb_set_acct_ctrl(sampass, 1511 pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK, 1512 PDB_CHANGED)) { 1513 DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n")); 1514 return False; 1515 } 1516 1517 return True; 1518} 1519