git.sur5r.net Git - openldap/blob - clients/tools/ldappasswd.c

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6
   7 #include "portable.h"
   8
   9 #include <stdio.h>
  10
  11 #include <ac/stdlib.h>
  12
  13 #include <ac/ctype.h>
  14 #include <ac/signal.h>
  15 #include <ac/socket.h>
  16 #include <ac/string.h>
  17 #include <ac/time.h>
  18 #include <ac/unistd.h>
  19
  20 #include <ldap.h>
  21
  22 #include "lutil_ldap.h"
  23 #include "ldap_defaults.h"
  24
  25 static int      verbose = 0;
  26
  27 static void
  28 usage(const char *s)
  29 {
  30         fprintf(stderr,
  31 "Change password of an LDAP user\n\n"
  32 "usage: %s [options] [user]\n"
  33 "  user: the autentication identity, commonly a DN\n"
  34 "Password change options:\n"
  35 "  -a secret  old password\n"
  36 "  -A         prompt for old password\n"
  37 "  -s secret  new password\n"
  38 "  -S         prompt for new password\n"
  39
  40 "Common options:\n"
  41 "  -d level   set LDAP debugging level to `level'\n"
  42 "  -D binddn  bind DN\n"
  43 "  -f file    read operations from `file'\n"
  44 "  -h host    LDAP server(s)\n"
  45 "  -H URI     LDAP Uniform Resource Indentifier(s)\n"
  46 "  -I         use SASL Interactive mode\n"
  47 "  -n         show what would be done but don't actually update\n"
  48 "  -O props   SASL security properties\n"
  49 "  -p port    port on LDAP server\n"
  50 "  -Q         use SASL Quiet mode\n"
  51 "  -R realm   SASL realm\n"
  52 "  -U authcid SASL authentication identity\n"
  53 "  -v         run in verbose mode (diagnostics to standard output)\n"
  54 "  -w passwd  bind passwd (for simple authentication)\n"
  55 "  -W         prompt for bind passwd\n"
  56 "  -x         Simple authentication\n"
  57 "  -X authzid SASL authorization identity (\"dn:<dn>\" or \"u:<user>\")\n"
  58 "  -Y mech    SASL mechanism\n"
  59 "  -Z         Start TLS request (-ZZ to require successful response)\n"
  60                 , s );
  61
  62         exit( EXIT_FAILURE );
  63 }
  64
  65 int
  66 main( int argc, char *argv[] )
  67 {
  68         int rc;
  69         char    *prog = NULL;
  70         char    *ldaphost = NULL;
  71         char    *ldapuri = NULL;
  72
  73         char    *user = NULL;
  74         char    *binddn = NULL;
  75
  76         struct berval passwd = { 0, NULL };
  77         char    *newpw = NULL;
  78         char    *oldpw = NULL;
  79
  80         int             want_bindpw = 0;
  81         int             want_newpw = 0;
  82         int             want_oldpw = 0;
  83
  84         int             not = 0;
  85         int             i;
  86         int             ldapport = 0;
  87         int             debug = 0;
  88         int             version = -1;
  89         int             authmethod = -1;
  90         int             manageDSAit = 0;
  91 #ifdef HAVE_CYRUS_SASL
  92         unsigned        sasl_flags = LDAP_SASL_AUTOMATIC;
  93         char            *sasl_realm = NULL;
  94         char            *sasl_authc_id = NULL;
  95         char            *sasl_authz_id = NULL;
  96         char            *sasl_mech = NULL;
  97         char            *sasl_secprops = NULL;
  98 #endif
  99         int             use_tls = 0;
 100         int             referrals = 0;
 101         LDAP           *ld = NULL;
 102         struct berval *bv = NULL;
 103
 104         int id, code;
 105         LDAPMessage *res;
 106         char *matcheddn = NULL, *text = NULL, **refs = NULL;
 107         char    *retoid = NULL;
 108         struct berval *retdata = NULL;
 109
 110     prog = (prog = strrchr(argv[0], *LDAP_DIRSEP)) == NULL ? argv[0] : prog + 1;
 111
 112         while( (i = getopt( argc, argv, "Aa:Ss:"
 113                 "Cd:D:h:H:InO:p:QR:U:vw:WxX:Y:Z" )) != EOF )
 114         {
 115                 switch (i) {
 116                 /* Password Options */
 117                 case 'A':       /* prompt for old password */
 118                         want_oldpw++;
 119                         break;
 120
 121                 case 'a':       /* old password (secret) */
 122                         oldpw = strdup (optarg);
 123
 124                         {
 125                                 char* p;
 126
 127                                 for( p = optarg; *p != '\0'; p++ ) {
 128                                         *p = '\0';
 129                                 }
 130                         }
 131                         break;
 132
 133                 case 'S':       /* prompt for user password */
 134                         want_newpw++;
 135                         break;
 136
 137                 case 's':       /* new password (secret) */
 138                         newpw = strdup (optarg);
 139                         {
 140                                 char* p;
 141
 142                                 for( p = optarg; *p != '\0'; p++ ) {
 143                                         *p = '\0';
 144                                 }
 145                         }
 146                         break;
 147
 148         /* Common Options (including options we don't use) */
 149         case 'C':
 150                 referrals++;
 151                 break;
 152         case 'd':
 153             debug |= atoi( optarg );
 154             break;
 155         case 'D':       /* bind DN */
 156                 if( binddn != NULL ) {
 157                         fprintf( stderr, "%s: -D previously specified\n", prog );
 158                         return EXIT_FAILURE;
 159                 }
 160             binddn = strdup( optarg );
 161             break;
 162         case 'h':       /* ldap host */
 163                 if( ldapuri != NULL ) {
 164                         fprintf( stderr, "%s: -h incompatible with -H\n", prog );
 165                         return EXIT_FAILURE;
 166                 }
 167                 if( ldaphost != NULL ) {
 168                         fprintf( stderr, "%s: -h previously specified\n", prog );
 169                         return EXIT_FAILURE;
 170                 }
 171             ldaphost = strdup( optarg );
 172             break;
 173         case 'H':       /* ldap URI */
 174                 if( ldaphost != NULL ) {
 175                         fprintf( stderr, "%s: -H incompatible with -h\n", prog );
 176                         return EXIT_FAILURE;
 177                 }
 178                 if( ldapport ) {
 179                         fprintf( stderr, "%s: -H incompatible with -p\n", prog );
 180                         return EXIT_FAILURE;
 181                 }
 182                 if( ldapuri != NULL ) {
 183                         fprintf( stderr, "%s: -H previously specified\n", prog );
 184                         return EXIT_FAILURE;
 185                 }
 186             ldapuri = strdup( optarg );
 187             break;
 188         case 'I':
 189 #ifdef HAVE_CYRUS_SASL
 190                 if( version == LDAP_VERSION2 ) {
 191                         fprintf( stderr, "%s: -I incompatible with version %d\n",
 192                                 prog, version );
 193                         return EXIT_FAILURE;
 194                 }
 195                 if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
 196                         fprintf( stderr, "%s: incompatible previous "
 197                                 "authentication choice\n",
 198                                 prog );
 199                         return EXIT_FAILURE;
 200                 }
 201                 authmethod = LDAP_AUTH_SASL;
 202                 version = LDAP_VERSION3;
 203                 sasl_flags = LDAP_SASL_INTERACTIVE;
 204                 break;
 205 #else
 206                 fprintf( stderr, "%s: was not compiled with SASL support\n",
 207                         prog );
 208                 return( EXIT_FAILURE );
 209 #endif
 210         case 'k':       /* kerberos bind */
 211 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 212                 if( version > LDAP_VERSION2 ) {
 213                         fprintf( stderr, "%s: -k incompatible with LDAPv%d\n",
 214                                 prog, version );
 215                         return EXIT_FAILURE;
 216                 }
 217
 218                 if( authmethod != -1 ) {
 219                         fprintf( stderr, "%s: -k incompatible with previous "
 220                                 "authentication choice\n", prog );
 221                         return EXIT_FAILURE;
 222                 }
 223
 224                 authmethod = LDAP_AUTH_KRBV4;
 225 #else
 226                 fprintf( stderr, "%s: not compiled with Kerberos support\n", prog );
 227                 return EXIT_FAILURE;
 228 #endif
 229             break;
 230         case 'K':       /* kerberos bind, part one only */
 231 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
 232                 if( version > LDAP_VERSION2 ) {
 233                         fprintf( stderr, "%s: -k incompatible with LDAPv%d\n",
 234                                 prog, version );
 235                         return EXIT_FAILURE;
 236                 }
 237                 if( authmethod != -1 ) {
 238                         fprintf( stderr, "%s: incompatible with previous "
 239                                 "authentication choice\n", prog );
 240                         return EXIT_FAILURE;
 241                 }
 242
 243                 authmethod = LDAP_AUTH_KRBV41;
 244 #else
 245                 fprintf( stderr, "%s: not compiled with Kerberos support\n", prog );
 246                 return( EXIT_FAILURE );
 247 #endif
 248             break;
 249         case 'M':
 250                 /* enable Manage DSA IT */
 251                 if( version == LDAP_VERSION2 ) {
 252                         fprintf( stderr, "%s: -M incompatible with LDAPv%d\n",
 253                                 prog, version );
 254                         return EXIT_FAILURE;
 255                 }
 256                 manageDSAit++;
 257                 version = LDAP_VERSION3;
 258                 break;
 259         case 'n':       /* print deletes, don't actually do them */
 260             ++not;
 261             break;
 262         case 'O':
 263 #ifdef HAVE_CYRUS_SASL
 264                 if( sasl_secprops != NULL ) {
 265                         fprintf( stderr, "%s: -O previously specified\n", prog );
 266                         return EXIT_FAILURE;
 267                 }
 268                 if( version == LDAP_VERSION2 ) {
 269                         fprintf( stderr, "%s: -O incompatible with LDAPv%d\n",
 270                                 prog, version );
 271                         return EXIT_FAILURE;
 272                 }
 273                 if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
 274                         fprintf( stderr, "%s: incompatible previous "
 275                                 "authentication choice\n", prog );
 276                         return EXIT_FAILURE;
 277                 }
 278                 authmethod = LDAP_AUTH_SASL;
 279                 version = LDAP_VERSION3;
 280                 sasl_secprops = strdup( optarg );
 281 #else
 282                 fprintf( stderr, "%s: not compiled with SASL support\n",
 283                         prog );
 284                 return( EXIT_FAILURE );
 285 #endif
 286                 break;
 287         case 'p':
 288                 if( ldapport ) {
 289                         fprintf( stderr, "%s: -p previously specified\n", prog );
 290                         return EXIT_FAILURE;
 291                 }
 292             ldapport = atoi( optarg );
 293             break;
 294         case 'P':
 295                 switch( atoi(optarg) ) {
 296                 case 2:
 297                         if( version == LDAP_VERSION3 ) {
 298                                 fprintf( stderr, "%s: -P 2 incompatible with version %d\n",
 299                                         prog, version );
 300                                 return EXIT_FAILURE;
 301                         }
 302                         version = LDAP_VERSION2;
 303                         break;
 304                 case 3:
 305                         if( version == LDAP_VERSION2 ) {
 306                                 fprintf( stderr, "%s: -P 2 incompatible with version %d\n",
 307                                         prog, version );
 308                                 return EXIT_FAILURE;
 309                         }
 310                         version = LDAP_VERSION3;
 311                         break;
 312                 default:
 313                         fprintf( stderr, "%s: protocol version should be 2 or 3\n",
 314                                 prog );
 315                         usage( prog );
 316                         return( EXIT_FAILURE );
 317                 } break;
 318         case 'Q':
 319 #ifdef HAVE_CYRUS_SASL
 320                 if( version == LDAP_VERSION2 ) {
 321                         fprintf( stderr, "%s: -Q incompatible with version %d\n",
 322                                 prog, version );
 323                         return EXIT_FAILURE;
 324                 }
 325                 if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
 326                         fprintf( stderr, "%s: incompatible previous "
 327                                 "authentication choice\n",
 328                                 prog );
 329                         return EXIT_FAILURE;
 330                 }
 331                 authmethod = LDAP_AUTH_SASL;
 332                 version = LDAP_VERSION3;
 333                 sasl_flags = LDAP_SASL_QUIET;
 334                 break;
 335 #else
 336                 fprintf( stderr, "%s: not compiled with SASL support\n",
 337                         prog );
 338                 return( EXIT_FAILURE );
 339 #endif
 340         case 'R':
 341 #ifdef HAVE_CYRUS_SASL
 342                 if( sasl_realm != NULL ) {
 343                         fprintf( stderr, "%s: -R previously specified\n", prog );
 344                         return EXIT_FAILURE;
 345                 }
 346                 if( version == LDAP_VERSION2 ) {
 347                         fprintf( stderr, "%s: -R incompatible with version %d\n",
 348                                 prog, version );
 349                         return EXIT_FAILURE;
 350                 }
 351                 if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
 352                         fprintf( stderr, "%s: incompatible previous "
 353                                 "authentication choice\n",
 354                                 prog );
 355                         return EXIT_FAILURE;
 356                 }
 357                 authmethod = LDAP_AUTH_SASL;
 358                 version = LDAP_VERSION3;
 359                 sasl_realm = strdup( optarg );
 360 #else
 361                 fprintf( stderr, "%s: not compiled with SASL support\n",
 362                         prog );
 363                 return( EXIT_FAILURE );
 364 #endif
 365                 break;
 366         case 'U':
 367 #ifdef HAVE_CYRUS_SASL
 368                 if( sasl_authc_id != NULL ) {
 369                         fprintf( stderr, "%s: -U previously specified\n", prog );
 370                         return EXIT_FAILURE;
 371                 }
 372                 if( version == LDAP_VERSION2 ) {
 373                         fprintf( stderr, "%s: -U incompatible with version %d\n",
 374                                 prog, version );
 375                         return EXIT_FAILURE;
 376                 }
 377                 if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
 378                         fprintf( stderr, "%s: incompatible previous "
 379                                 "authentication choice\n",
 380                                 prog );
 381                         return EXIT_FAILURE;
 382                 }
 383                 authmethod = LDAP_AUTH_SASL;
 384                 version = LDAP_VERSION3;
 385                 sasl_authc_id = strdup( optarg );
 386 #else
 387                 fprintf( stderr, "%s: not compiled with SASL support\n",
 388                         prog );
 389                 return( EXIT_FAILURE );
 390 #endif
 391                 break;
 392         case 'v':       /* verbose mode */
 393             verbose++;
 394             break;
 395         case 'w':       /* password */
 396             passwd.bv_val = strdup( optarg );
 397                 {
 398                         char* p;
 399
 400                         for( p = optarg; *p != '\0'; p++ ) {
 401                                 *p = '\0';
 402                         }
 403                 }
 404                 passwd.bv_len = strlen( passwd.bv_val );
 405             break;
 406         case 'W':
 407                 want_bindpw++;
 408                 break;
 409         case 'Y':
 410 #ifdef HAVE_CYRUS_SASL
 411                 if( sasl_mech != NULL ) {
 412                         fprintf( stderr, "%s: -Y previously specified\n", prog );
 413                         return EXIT_FAILURE;
 414                 }
 415                 if( version == LDAP_VERSION2 ) {
 416                         fprintf( stderr, "%s: -Y incompatible with version %d\n",
 417                                 prog, version );
 418                         return EXIT_FAILURE;
 419                 }
 420                 if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
 421                         fprintf( stderr, "%s: incompatible with authentication choice\n", prog );
 422                         return EXIT_FAILURE;
 423                 }
 424                 authmethod = LDAP_AUTH_SASL;
 425                 version = LDAP_VERSION3;
 426                 sasl_mech = strdup( optarg );
 427 #else
 428                 fprintf( stderr, "%s: not compiled with SASL support\n",
 429                         prog );
 430                 return( EXIT_FAILURE );
 431 #endif
 432                 break;
 433         case 'x':
 434                 if( authmethod != -1 && authmethod != LDAP_AUTH_SIMPLE ) {
 435                         fprintf( stderr, "%s: incompatible with previous "
 436                                 "authentication choice\n", prog );
 437                         return EXIT_FAILURE;
 438                 }
 439                 authmethod = LDAP_AUTH_SIMPLE;
 440                 break;
 441         case 'X':
 442 #ifdef HAVE_CYRUS_SASL
 443                 if( sasl_authz_id != NULL ) {
 444                         fprintf( stderr, "%s: -X previously specified\n", prog );
 445                         return EXIT_FAILURE;
 446                 }
 447                 if( version == LDAP_VERSION2 ) {
 448                         fprintf( stderr, "%s: -X incompatible with LDAPv%d\n",
 449                                 prog, version );
 450                         return EXIT_FAILURE;
 451                 }
 452                 if( authmethod != -1 && authmethod != LDAP_AUTH_SASL ) {
 453                         fprintf( stderr, "%s: -X incompatible with "
 454                                 "authentication choice\n", prog );
 455                         return EXIT_FAILURE;
 456                 }
 457                 authmethod = LDAP_AUTH_SASL;
 458                 version = LDAP_VERSION3;
 459                 sasl_authz_id = strdup( optarg );
 460 #else
 461                 fprintf( stderr, "%s: not compiled with SASL support\n",
 462                         prog );
 463                 return( EXIT_FAILURE );
 464 #endif
 465                 break;
 466         case 'Z':
 467 #ifdef HAVE_TLS
 468                 if( version == LDAP_VERSION2 ) {
 469                         fprintf( stderr, "%s: -Z incompatible with version %d\n",
 470                                 prog, version );
 471                         return EXIT_FAILURE;
 472                 }
 473                 version = LDAP_VERSION3;
 474                 use_tls++;
 475 #else
 476                 fprintf( stderr, "%s: not compiled with TLS support\n",
 477                         prog );
 478                 return( EXIT_FAILURE );
 479 #endif
 480                 break;
 481
 482
 483                 default:
 484                         fprintf( stderr, "%s: unrecognized option -%c\n",
 485                                 prog, optopt );
 486                         usage (prog);
 487                 }
 488         }
 489
 490         if (authmethod == -1) {
 491 #ifdef HAVE_CYRUS_SASL
 492                 authmethod = LDAP_AUTH_SASL;
 493 #else
 494                 authmethod = LDAP_AUTH_SIMPLE;
 495 #endif
 496         }
 497
 498         if( argc - optind > 1 ) {
 499                 usage( prog );
 500         } else if ( argc - optind == 1 ) {
 501                 user = strdup( argv[optind] );
 502         } else {
 503                 user = NULL;
 504         }
 505
 506         if( want_oldpw && oldpw == NULL ) {
 507                 /* prompt for old password */
 508                 char *ckoldpw;
 509                 oldpw = strdup(getpassphrase("Old password: "));
 510                 ckoldpw = getpassphrase("Re-enter old password: ");
 511
 512                 if( oldpw== NULL || ckoldpw == NULL ||
 513                         strcmp( oldpw, ckoldpw ))
 514                 {
 515                         fprintf( stderr, "passwords do not match\n" );
 516                         return EXIT_FAILURE;
 517                 }
 518         }
 519
 520         if( want_newpw && newpw == NULL ) {
 521                 /* prompt for new password */
 522                 char *cknewpw;
 523                 newpw = strdup(getpassphrase("New password: "));
 524                 cknewpw = getpassphrase("Re-enter new password: ");
 525
 526                 if( newpw== NULL || cknewpw == NULL ||
 527                         strcmp( newpw, cknewpw ))
 528                 {
 529                         fprintf( stderr, "passwords do not match\n" );
 530                         return EXIT_FAILURE;
 531                 }
 532         }
 533
 534         if (want_bindpw && passwd.bv_val == NULL ) {
 535                 /* handle bind password */
 536                 passwd.bv_val = strdup( getpassphrase("Enter bind password: "));
 537                 passwd.bv_len = passwd.bv_val ? strlen( passwd.bv_val ) : 0;
 538         }
 539
 540         if ( debug ) {
 541                 if( ber_set_option( NULL, LBER_OPT_DEBUG_LEVEL, &debug ) != LBER_OPT_SUCCESS ) {
 542                         fprintf( stderr, "Could not set LBER_OPT_DEBUG_LEVEL %d\n", debug );
 543                 }
 544                 if( ldap_set_option( NULL, LDAP_OPT_DEBUG_LEVEL, &debug ) != LDAP_OPT_SUCCESS ) {
 545                         fprintf( stderr, "Could not set LDAP_OPT_DEBUG_LEVEL %d\n", debug );
 546                 }
 547         }
 548
 549 #ifdef SIGPIPE
 550         (void) SIGNAL( SIGPIPE, SIG_IGN );
 551 #endif
 552
 553         /* connect to server */
 554         if( ( ldaphost != NULL || ldapport ) && ( ldapuri == NULL ) ) {
 555                 if ( verbose ) {
 556                         fprintf( stderr, "ldap_init( %s, %d )\n",
 557                                 ldaphost != NULL ? ldaphost : "<DEFAULT>",
 558                                 ldapport );
 559                 }
 560
 561                 ld = ldap_init( ldaphost, ldapport );
 562                 if( ld == NULL ) {
 563                         perror("ldapsearch: ldap_init");
 564                         return EXIT_FAILURE;
 565                 }
 566
 567         } else {
 568                 if ( verbose ) {
 569                         fprintf( stderr, "ldap_initialize( %s )\n",
 570                                 ldapuri != NULL ? ldapuri : "<DEFAULT>" );
 571                 }
 572
 573                 rc = ldap_initialize( &ld, ldapuri );
 574                 if( rc != LDAP_SUCCESS ) {
 575                         fprintf( stderr, "Could not create LDAP session handle (%d): %s\n",
 576                                 rc, ldap_err2string(rc) );
 577                         return EXIT_FAILURE;
 578                 }
 579         }
 580
 581         /* referrals */
 582         if (ldap_set_option( ld, LDAP_OPT_REFERRALS,
 583                 referrals ? LDAP_OPT_ON : LDAP_OPT_OFF ) != LDAP_OPT_SUCCESS )
 584         {
 585                 fprintf( stderr, "Could not set LDAP_OPT_REFERRALS %s\n",
 586                         referrals ? "on" : "off" );
 587                 return EXIT_FAILURE;
 588         }
 589
 590         /* LDAPv3 only */
 591         version = LDAP_VERSION3;
 592         rc = ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
 593
 594         if(rc != LDAP_OPT_SUCCESS ) {
 595                 fprintf( stderr, "Could not set LDAP_OPT_PROTOCOL_VERSION %d\n", version );
 596                 return EXIT_FAILURE;
 597         }
 598
 599         if ( use_tls && ( ldap_start_tls_s( ld, NULL, NULL ) != LDAP_SUCCESS )) {
 600                 ldap_perror( ld, "ldap_start_tls" );
 601                 if ( use_tls > 1 ) {
 602                         return( EXIT_FAILURE );
 603                 }
 604         }
 605
 606         if ( authmethod == LDAP_AUTH_SASL ) {
 607 #ifdef HAVE_CYRUS_SASL
 608                 void *defaults;
 609
 610                 if( sasl_secprops != NULL ) {
 611                         rc = ldap_set_option( ld, LDAP_OPT_X_SASL_SECPROPS,
 612                                 (void *) sasl_secprops );
 613
 614                         if( rc != LDAP_OPT_SUCCESS ) {
 615                                 fprintf( stderr,
 616                                         "Could not set LDAP_OPT_X_SASL_SECPROPS: %s\n",
 617                                         sasl_secprops );
 618                                 return( EXIT_FAILURE );
 619                         }
 620                 }
 621
 622                 defaults = lutil_sasl_defaults( ld,
 623                         sasl_mech,
 624                         sasl_realm,
 625                         sasl_authc_id,
 626                         passwd.bv_val,
 627                         sasl_authz_id );
 628
 629                 rc = ldap_sasl_interactive_bind_s( ld, binddn,
 630                         sasl_mech, NULL, NULL,
 631                         sasl_flags, lutil_sasl_interact, defaults );
 632
 633                 if( rc != LDAP_SUCCESS ) {
 634                         ldap_perror( ld, "ldap_sasl_interactive_bind_s" );
 635                         return( EXIT_FAILURE );
 636                 }
 637 #else
 638                 fprintf( stderr, "%s: not compiled with SASL support\n",
 639                         prog );
 640                 return( EXIT_FAILURE );
 641 #endif
 642         }
 643         else {
 644                 if ( ldap_bind_s( ld, binddn, passwd.bv_val, authmethod )
 645                                 != LDAP_SUCCESS ) {
 646                         ldap_perror( ld, "ldap_bind" );
 647                         return( EXIT_FAILURE );
 648                 }
 649         }
 650
 651         if( user != NULL || oldpw != NULL || newpw != NULL ) {
 652                 /* build change password control */
 653                 BerElement *ber = ber_alloc_t( LBER_USE_DER );
 654
 655                 if( ber == NULL ) {
 656                         perror( "ber_alloc_t" );
 657                         ldap_unbind( ld );
 658                         return EXIT_FAILURE;
 659                 }
 660
 661                 ber_printf( ber, "{" /*}*/ );
 662
 663                 if( user != NULL ) {
 664                         ber_printf( ber, "ts",
 665                                 LDAP_TAG_EXOP_MODIFY_PASSWD_ID, user );
 666                         free(user);
 667                 }
 668
 669                 if( oldpw != NULL ) {
 670                         ber_printf( ber, "ts",
 671                                 LDAP_TAG_EXOP_MODIFY_PASSWD_OLD, oldpw );
 672                         free(oldpw);
 673                 }
 674
 675                 if( newpw != NULL ) {
 676                         ber_printf( ber, "ts",
 677                                 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, newpw );
 678                         free(newpw);
 679                 }
 680
 681                 ber_printf( ber, /*{*/ "N}" );
 682
 683                 rc = ber_flatten( ber, &bv );
 684
 685                 if( rc < 0 ) {
 686                         perror( "ber_flatten" );
 687                         ldap_unbind( ld );
 688                         return EXIT_FAILURE;
 689                 }
 690
 691                 ber_free( ber, 1 );
 692         }
 693
 694         if ( not ) {
 695                 rc = LDAP_SUCCESS;
 696                 goto skip;
 697         }
 698
 699         rc = ldap_extended_operation( ld,
 700                 LDAP_EXOP_MODIFY_PASSWD, bv,
 701                 NULL, NULL, &id );
 702
 703         ber_bvfree( bv );
 704
 705         if( rc != LDAP_SUCCESS ) {
 706                 ldap_perror( ld, "ldap_extended_operation" );
 707                 ldap_unbind( ld );
 708                 return EXIT_FAILURE;
 709         }
 710
 711         rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ALL, NULL, &res );
 712         if ( rc < 0 ) {
 713                 ldap_perror( ld, "ldappasswd: ldap_result" );
 714                 return rc;
 715         }
 716
 717         rc = ldap_parse_result( ld, res, &code, &matcheddn, &text, &refs, NULL, 0 );
 718
 719         if( rc != LDAP_SUCCESS ) {
 720                 ldap_perror( ld, "ldap_parse_result" );
 721                 return rc;
 722         }
 723
 724         rc = ldap_parse_extended_result( ld, res, &retoid, &retdata, 1 );
 725
 726         if( rc != LDAP_SUCCESS ) {
 727                 ldap_perror( ld, "ldap_parse_result" );
 728                 return rc;
 729         }
 730
 731         if( retdata != NULL ) {
 732                 ber_tag_t tag;
 733                 char *s;
 734                 BerElement *ber = ber_init( retdata );
 735
 736                 if( ber == NULL ) {
 737                         perror( "ber_init" );
 738                         ldap_unbind( ld );
 739                         return EXIT_FAILURE;
 740                 }
 741
 742                 /* we should check the tag */
 743                 tag = ber_scanf( ber, "{a}", &s);
 744
 745                 if( tag == LBER_ERROR ) {
 746                         perror( "ber_scanf" );
 747                 } else {
 748                         printf("New password: %s\n", s);
 749                         free( s );
 750                 }
 751
 752                 ber_free( ber, 1 );
 753         }
 754
 755         if( verbose || code != LDAP_SUCCESS || matcheddn || text || refs ) {
 756                 printf( "Result: %s (%d)\n", ldap_err2string( code ), code );
 757
 758                 if( text && *text ) {
 759                         printf( "Additional info: %s\n", text );
 760                 }
 761
 762                 if( matcheddn && *matcheddn ) {
 763                         printf( "Matched DN: %s\n", matcheddn );
 764                 }
 765
 766                 if( refs ) {
 767                         int i;
 768                         for( i=0; refs[i]; i++ ) {
 769                                 printf("Referral: %s\n", refs[i] );
 770                         }
 771                 }
 772         }
 773
 774         ber_memfree( text );
 775         ber_memfree( matcheddn );
 776         ber_memvfree( (void **) refs );
 777         ber_memfree( retoid );
 778         ber_bvfree( retdata );
 779
 780 skip:
 781         /* disconnect from server */
 782         ldap_unbind (ld);
 783
 784         return EXIT_SUCCESS;
 785 }