git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/config.c

   1 /* config.c - ldap backend configuration file routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/socket.h>
  30
  31 #include "slap.h"
  32 #include "back-ldap.h"
  33 #include "lutil.h"
  34 #undef ldap_debug
  35 /* for advanced URL parsing */
  36 #include "../../../libraries/libldap/ldap-int.h"
  37
  38 static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
  39
  40 static int
  41 parse_idassert( BackendDB *be, const char *fname, int lineno,
  42                 int argc, char **argv );
  43
  44 int
  45 ldap_back_db_config(
  46                 BackendDB       *be,
  47                 const char      *fname,
  48                 int             lineno,
  49                 int             argc,
  50                 char            **argv )
  51 {
  52         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
  53
  54         if ( li == NULL ) {
  55                 fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
  56                                 fname, lineno );
  57                 return 1;
  58         }
  59
  60         /* server address to query (depricated, use "uri" directive) */
  61         if ( strcasecmp( argv[0], "server" ) == 0 ) {
  62                 ber_len_t       l;
  63
  64                 fprintf( stderr,
  65         "%s: line %d: \"server <address>\" directive is deprecated\n",
  66                                         fname, lineno );
  67
  68                 if ( argc != 2 ) {
  69                         fprintf( stderr,
  70         "%s: line %d: missing address in \"server <address>\" line\n",
  71                                         fname, lineno );
  72                         return 1;
  73                 }
  74                 if ( li->url != NULL ) {
  75                         ch_free( li->url );
  76                 }
  77                 l = strlen( argv[1] ) + STRLENOF( "ldap:///") + 1;
  78                 li->url = ch_calloc( l, sizeof( char ) );
  79                 if ( li->url == NULL ) {
  80                         fprintf( stderr, "%s: line %d: malloc failed\n" );
  81                         return 1;
  82                 }
  83
  84                 snprintf( li->url, l, "ldap://%s/", argv[1] );
  85
  86         /* URI of server to query (preferred over "server" directive) */
  87         } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
  88                 LDAPURLDesc     *tmpludp;
  89                 int             urlrc;
  90
  91                 if ( argc != 2 ) {
  92                         fprintf( stderr, "%s: line %d: "
  93                                         "missing uri "
  94                                         "in \"uri <uri>\" line\n",
  95                                         fname, lineno );
  96                         return 1;
  97                 }
  98                 if ( li->url != NULL ) {
  99                         ch_free( li->url );
 100                 }
 101                 if ( li->lud != NULL ) {
 102                         ldap_free_urllist( li->lud );
 103                 }
 104
 105 #if 0
 106                 /* PARANOID: DN and more are not required nor allowed */
 107                 urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" );
 108 #else
 109                 urlrc =  ldap_url_parselist( &li->lud, argv[ 1 ] );
 110 #endif
 111                 if ( urlrc != LDAP_URL_SUCCESS ) {
 112                         char    *why;
 113
 114                         switch ( urlrc ) {
 115                         case LDAP_URL_ERR_MEM:
 116                                 why = "no memory";
 117                                 break;
 118                         case LDAP_URL_ERR_PARAM:
 119                                 why = "parameter is bad";
 120                                 break;
 121                         case LDAP_URL_ERR_BADSCHEME:
 122                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 123                                 break;
 124                         case LDAP_URL_ERR_BADENCLOSURE:
 125                                 why = "URL is missing trailing \">\"";
 126                                 break;
 127                         case LDAP_URL_ERR_BADURL:
 128                                 why = "URL is bad";
 129                         case LDAP_URL_ERR_BADHOST:
 130                                 why = "host/port is bad";
 131                                 break;
 132                         case LDAP_URL_ERR_BADATTRS:
 133                                 why = "bad (or missing) attributes";
 134                                 break;
 135                         case LDAP_URL_ERR_BADSCOPE:
 136                                 why = "scope string is invalid (or missing)";
 137                                 break;
 138                         case LDAP_URL_ERR_BADFILTER:
 139                                 why = "bad or missing filter";
 140                                 break;
 141                         case LDAP_URL_ERR_BADEXTS:
 142                                 why = "bad or missing extensions";
 143                                 break;
 144                         default:
 145                                 why = "unknown reason";
 146                                 break;
 147                         }
 148                         fprintf( stderr, "%s: line %d: "
 149                                         "unable to parse uri \"%s\" "
 150                                         "in \"uri <uri>\" line: %s\n",
 151                                         fname, lineno, argv[ 1 ], why );
 152                         return 1;
 153                 }
 154
 155                 for ( tmpludp = li->lud; tmpludp; tmpludp = tmpludp->lud_next ) {
 156                         if ( ( tmpludp->lud_dn != NULL
 157                                                 && tmpludp->lud_dn[0] != '\0' )
 158                                         || tmpludp->lud_attrs != NULL
 159                                         || tmpludp->lud_filter != NULL
 160                                         || tmpludp->lud_exts != NULL )
 161                         {
 162                                 fprintf( stderr, "%s: line %d: "
 163                                                 "warning, only protocol, "
 164                                                 "host and port allowed "
 165                                                 "in \"uri <uri>\" statement "
 166                                                 "for \"%s\"\n",
 167                                                 fname, lineno, argv[1] );
 168                         }
 169                 }
 170
 171 #if 0
 172                 for ( tmpludp = li->lud; tmpludp; tmpludp = tmpludp->lud_next ) {
 173                         LDAPURLDesc     tmplud;
 174                         char            *tmpurl;
 175                         ber_len_t       oldlen = 0, len;
 176
 177                         tmplud = *tmpludp;
 178                         tmplud.lud_dn = "";
 179                         tmplud.lud_attrs = NULL;
 180                         tmplud.lud_filter = NULL;
 181                         if ( !ldap_is_ldapi_url( argv[ 1 ] ) ) {
 182                                 tmplud.lud_exts = NULL;
 183                                 tmplud.lud_crit_exts = 0;
 184                         }
 185
 186                         tmpurl = ldap_url_desc2str( &tmplud );
 187
 188                         if ( tmpurl == NULL ) {
 189                                 fprintf( stderr, "%s: line %d: "
 190                                         "unable to rebuild uri "
 191                                         "in \"uri <uri>\" statement "
 192                                         "for \"%s\"\n",
 193                                         fname, lineno, argv[ 1 ] );
 194                                 return 1;
 195                         }
 196
 197                         len = strlen( tmpurl );
 198                         if ( li->url ) {
 199                                 oldlen = strlen( li->url ) + STRLENOF( " " );
 200                         }
 201                         li->url = ch_realloc( li->url, oldlen + len + 1);
 202                         if ( oldlen ) {
 203                                 li->url[oldlen - 1] = " ";
 204                         }
 205                         AC_MEMCPY( &li->url[oldlen], tmpurl, len + 1 );
 206                         ch_free( tmpurl );
 207                 }
 208 #else
 209                 li->url = ch_strdup( argv[ 1 ] );
 210 #endif
 211
 212         /* name to use for ldap_back_group */
 213         } else if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
 214                         || strcasecmp( argv[0], "binddn" ) == 0 ) {
 215                 if ( argc != 2 ) {
 216                         fprintf( stderr,
 217         "%s: line %d: missing name in \"%s <name>\" line\n",
 218                                         fname, lineno, argv[0] );
 219                         return( 1 );
 220                 }
 221                 ber_str2bv( argv[1], 0, 1, &li->acl_authcDN );
 222
 223         /* password to use for ldap_back_group */
 224         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
 225                         || strcasecmp( argv[0], "bindpw" ) == 0 ) {
 226                 if ( argc != 2 ) {
 227                         fprintf( stderr,
 228         "%s: line %d: missing password in \"%s <password>\" line\n",
 229                                         fname, lineno, argv[0] );
 230                         return( 1 );
 231                 }
 232                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
 233
 234 #ifdef LDAP_BACK_PROXY_AUTHZ
 235         /* identity assertion stuff... */
 236         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
 237                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 ) {
 238                 return parse_idassert( be, fname, lineno, argc, argv );
 239 #endif /* LDAP_BACK_PROXY_AUTHZ */
 240
 241         /* save bind creds for referral rebinds? */
 242         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
 243                 if ( argc != 1 ) {
 244                         fprintf( stderr,
 245         "%s: line %d: rebind-as-user takes no arguments\n",
 246                                         fname, lineno );
 247                         return( 1 );
 248                 }
 249                 li->savecred = 1;
 250
 251         /* intercept exop_who_am_i? */
 252         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
 253                 if ( argc != 1 ) {
 254                         fprintf( stderr,
 255         "%s: line %d: proxy-whoami takes no arguments\n",
 256                                         fname, lineno );
 257                         return( 1 );
 258                 }
 259                 load_extop( (struct berval *)&slap_EXOP_WHOAMI,
 260                                 0, ldap_back_exop_whoami );
 261
 262         /* FIXME: legacy: intercept old rewrite/remap directives
 263          * and try to start the rwm overlay */
 264         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
 265                         || strcasecmp( argv[0], "map" ) == 0
 266                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
 267         {
 268                 if ( li->rwm_started == 0 && !overlay_is_inst( be, "rwm" ) ) {
 269                         if ( overlay_config( be, "rwm" ) ) {
 270                                 fprintf( stderr, "%s: line %d: "
 271                                         "unable to configure the \"rwm\" "
 272                                         "overlay, required by directive "
 273                                         "\"%s\".\n",
 274                                         fname, lineno, argv[0] );
 275 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
 276                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
 277 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
 278                                 return( 1 );
 279                         }
 280
 281                         fprintf( stderr, "%s: line %d: back-ldap: "
 282                                 "automatically starting \"rwm\" overlay, "
 283                                 "triggered by \"%s\" directive.\n",
 284                                 fname, lineno, argv[ 0 ] );
 285
 286                         li->rwm_started = 1;
 287
 288                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
 289                 }
 290
 291                 return SLAP_CONF_UNKNOWN;
 292
 293         /* anything else */
 294         } else {
 295                 return SLAP_CONF_UNKNOWN;
 296         }
 297
 298         return 0;
 299 }
 300
 301 static int
 302 ldap_back_exop_whoami(
 303                 Operation       *op,
 304                 SlapReply       *rs )
 305 {
 306         struct berval *bv = NULL;
 307
 308         if ( op->oq_extended.rs_reqdata != NULL ) {
 309                 /* no request data should be provided */
 310                 rs->sr_text = "no request data expected";
 311                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
 312         }
 313
 314         rs->sr_err = backend_check_restrictions( op, rs,
 315                         (struct berval *)&slap_EXOP_WHOAMI );
 316         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
 317
 318         /* if auth'd by back-ldap and request is proxied, forward it */
 319         if ( op->o_conn->c_authz_backend && !strcmp(op->o_conn->c_authz_backend->be_type, "ldap" ) && !dn_match(&op->o_ndn, &op->o_conn->c_ndn)) {
 320                 struct ldapconn *lc;
 321
 322                 LDAPControl c, *ctrls[2] = {NULL, NULL};
 323                 LDAPMessage *res;
 324                 Operation op2 = *op;
 325                 ber_int_t msgid;
 326                 int do_retry = 1;
 327
 328                 ctrls[0] = &c;
 329                 op2.o_ndn = op->o_conn->c_ndn;
 330                 lc = ldap_back_getconn(&op2, rs);
 331                 if (!lc || !ldap_back_dobind( lc, op, rs )) {
 332                         return -1;
 333                 }
 334                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 335                 c.ldctl_iscritical = 1;
 336                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
 337                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
 338                 strcpy(c.ldctl_value.bv_val, "dn:");
 339                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
 340
 341 retry:
 342                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
 343                 if (rs->sr_err == LDAP_SUCCESS) {
 344                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
 345                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
 346                                         &rs->sr_err);
 347                                 if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
 348                                         do_retry = 0;
 349                                         if ( ldap_back_retry( lc, op, rs ) )
 350                                                 goto retry;
 351                                 }
 352                                 ldap_back_freeconn( op, lc );
 353                                 lc = NULL;
 354
 355                         } else {
 356                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
 357                                 ldap_msgfree(res);
 358                         }
 359                 }
 360                 ch_free(c.ldctl_value.bv_val);
 361                 if (rs->sr_err != LDAP_SUCCESS) {
 362                         rs->sr_err = slap_map_api2result( rs );
 363                 }
 364         } else {
 365         /* else just do the same as before */
 366                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
 367                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
 368                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
 369                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
 370                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
 371                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
 372                                 op->o_dn.bv_len );
 373                         bv->bv_val[bv->bv_len] = '\0';
 374                 } else {
 375                         bv->bv_len = 0;
 376                         bv->bv_val = NULL;
 377                 }
 378         }
 379
 380         rs->sr_rspdata = bv;
 381         return rs->sr_err;
 382 }
 383
 384
 385 #ifdef LDAP_BACK_PROXY_AUTHZ
 386 static int
 387 parse_idassert(
 388     BackendDB   *be,
 389     const char  *fname,
 390     int         lineno,
 391     int         argc,
 392     char        **argv
 393 )
 394 {
 395         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 396
 397         /* identity assertion mode */
 398         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
 399                 if ( argc < 2 ) {
 400                         Debug( LDAP_DEBUG_ANY,
 401                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
 402                                 fname, lineno, argc );
 403                         return 1;
 404                 }
 405
 406                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
 407                         /* will proxyAuthz as client's identity only if bound */
 408                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 409
 410                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
 411                         /* will proxyAuthz as client's identity */
 412                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
 413
 414                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
 415                         /* will proxyAuthz as anonymous */
 416                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
 417
 418                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
 419                         /* will not proxyAuthz */
 420                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
 421
 422                 } else {
 423                         struct berval   id;
 424                         int             rc;
 425
 426                         /* will proxyAuthz as argv[1] */
 427                         ber_str2bv( argv[1], 0, 0, &id );
 428
 429                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
 430                                 /* force lowercase... */
 431                                 id.bv_val[0] = 'u';
 432                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 433                                 ber_dupbv( &li->idassert_authzID, &id );
 434
 435                         } else {
 436                                 struct berval   dn;
 437
 438                                 /* default is DN? */
 439                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 440                                         id.bv_val += STRLENOF( "dn:" );
 441                                         id.bv_len -= STRLENOF( "dn:" );
 442                                 }
 443
 444                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
 445                                 if ( rc != LDAP_SUCCESS ) {
 446                                         Debug( LDAP_DEBUG_ANY,
 447                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 448                                                 fname, lineno, argv[1] );
 449                                         return 1;
 450                                 }
 451
 452                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
 453                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 454                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 455                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
 456                                 ch_free( dn.bv_val );
 457
 458                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 459                         }
 460                 }
 461
 462                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
 463                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
 464                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 465
 466                         } else {
 467                                 Debug( LDAP_DEBUG_ANY,
 468                                         "%s: line %d: unknown flag \"%s\" "
 469                                         "in \"idassert-mode <args> "
 470                                         "[<flags>]\" line.\n",
 471                                         fname, lineno, argv[0] );
 472                                 return 1;
 473                         }
 474                 }
 475
 476         /* name to use for proxyAuthz propagation */
 477         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
 478                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
 479         {
 480                 struct berval   dn;
 481                 int             rc;
 482
 483                 /* FIXME: "proxyauthzdn" is no longer documented, and
 484                  * temporarily supported for backwards compatibility */
 485
 486                 if ( argc != 2 ) {
 487                         fprintf( stderr,
 488         "%s: line %d: missing name in \"%s <name>\" line\n",
 489                             fname, lineno, argv[0] );
 490                         return( 1 );
 491                 }
 492
 493                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 494                         fprintf( stderr, "%s: line %d: "
 495                                         "authcDN already defined; replacing...\n",
 496                                         fname, lineno );
 497                         ch_free( li->idassert_authcDN.bv_val );
 498                 }
 499
 500                 ber_str2bv( argv[1], 0, 0, &dn );
 501                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 502                 if ( rc != LDAP_SUCCESS ) {
 503                         Debug( LDAP_DEBUG_ANY,
 504                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 505                                 fname, lineno, argv[1] );
 506                         return 1;
 507                 }
 508
 509         /* password to use for proxyAuthz propagation */
 510         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
 511                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
 512         {
 513                 /* FIXME: "proxyauthzpw" is no longer documented, and
 514                  * temporarily supported for backwards compatibility */
 515
 516                 if ( argc != 2 ) {
 517                         fprintf( stderr,
 518         "%s: line %d: missing password in \"%s <password>\" line\n",
 519                             fname, lineno, argv[0] );
 520                         return( 1 );
 521                 }
 522
 523                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 524                         fprintf( stderr, "%s: line %d: "
 525                                         "passwd already defined; replacing...\n",
 526                                         fname, lineno );
 527                         ch_free( li->idassert_passwd.bv_val );
 528                 }
 529
 530                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
 531
 532         /* rules to accept identity assertion... */
 533         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
 534                 struct berval   rule;
 535
 536                 ber_str2bv( argv[1], 0, 1, &rule );
 537
 538                 ber_bvarray_add( &li->idassert_authz, &rule );
 539
 540         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
 541                 if ( argc < 2 ) {
 542                         fprintf( stderr,
 543         "%s: line %d: missing method in \"%s <method>\" line\n",
 544                             fname, lineno, argv[0] );
 545                         return( 1 );
 546                 }
 547
 548                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 549                         /* FIXME: is this useful? */
 550                         li->idassert_authmethod = LDAP_AUTH_NONE;
 551
 552                         if ( argc != 2 ) {
 553                                 fprintf( stderr,
 554         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 555                                         fname, lineno, argv[0], argv[1] );
 556                         }
 557
 558                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 559                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 560
 561                         if ( argc != 2 ) {
 562                                 fprintf( stderr,
 563         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 564                                         fname, lineno, argv[0], argv[1] );
 565                         }
 566
 567                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 568 #ifdef HAVE_CYRUS_SASL
 569                         int     arg;
 570
 571                         for ( arg = 2; arg < argc; arg++ ) {
 572                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 573                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 574
 575                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 576                                                 fprintf( stderr, "%s: line %d: "
 577                                                                 "SASL mech already defined; replacing...\n",
 578                                                                 fname, lineno );
 579                                                 ch_free( li->idassert_sasl_mech.bv_val );
 580                                         }
 581                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
 582
 583                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 584                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 585
 586                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 587                                                 fprintf( stderr, "%s: line %d: "
 588                                                                 "SASL realm already defined; replacing...\n",
 589                                                                 fname, lineno );
 590                                                 ch_free( li->idassert_sasl_realm.bv_val );
 591                                         }
 592                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
 593
 594                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 595                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 596                                         struct berval   dn;
 597                                         int             rc;
 598
 599                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 600                                                 fprintf( stderr, "%s: line %d: "
 601                                                                 "SASL authcDN already defined; replacing...\n",
 602                                                                 fname, lineno );
 603                                                 ch_free( li->idassert_authcDN.bv_val );
 604                                         }
 605                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 606                                                 val += STRLENOF( "dn:" );
 607                                         }
 608
 609                                         ber_str2bv( val, 0, 0, &dn );
 610                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 611                                         if ( rc != LDAP_SUCCESS ) {
 612                                                 Debug( LDAP_DEBUG_ANY,
 613                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 614                                                         fname, lineno, val );
 615                                                 return 1;
 616                                         }
 617
 618                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 619                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 620
 621                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 622                                                 fprintf( stderr, "%s: line %d: "
 623                                                                 "SASL authcID already defined; replacing...\n",
 624                                                                 fname, lineno );
 625                                                 ch_free( li->idassert_authcID.bv_val );
 626                                         }
 627                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 628                                                 val += STRLENOF( "u:" );
 629                                         }
 630                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
 631
 632                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 633                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 634
 635                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 636                                                 fprintf( stderr, "%s: line %d: "
 637                                                                 "SASL cred already defined; replacing...\n",
 638                                                                 fname, lineno );
 639                                                 ch_free( li->idassert_passwd.bv_val );
 640                                         }
 641                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
 642
 643                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 644                                         char    *val = argv[arg] + STRLENOF( "authz=" );
 645
 646                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
 647                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 648
 649                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
 650                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 651
 652                                         } else {
 653                                                 fprintf( stderr, "%s: line %s: "
 654                                                         "unknown authz mode \"%s\"\n",
 655                                                         fname, lineno, val );
 656                                                 return 1;
 657                                         }
 658
 659                                 } else {
 660                                         fprintf( stderr, "%s: line %d: "
 661                                                         "unknown SASL parameter %s\n",
 662                                                         fname, lineno, argv[arg] );
 663                                         return 1;
 664                                 }
 665                         }
 666
 667                         li->idassert_authmethod = LDAP_AUTH_SASL;
 668
 669 #else /* !HAVE_CYRUS_SASL */
 670                         fprintf( stderr, "%s: line %d: "
 671                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 672                                         fname, lineno );
 673                         return 1;
 674 #endif /* !HAVE_CYRUS_SASL */
 675
 676                 } else {
 677                         fprintf( stderr, "%s: line %d: "
 678                                         "unhandled idassert-method method %s\n",
 679                                         fname, lineno, argv[1] );
 680                         return 1;
 681                 }
 682
 683         } else {
 684                 return SLAP_CONF_UNKNOWN;
 685         }
 686
 687         return 0;
 688 }
 689 #endif /* LDAP_BACK_PROXY_AUTHZ */