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, i;
  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 ( i = 0, tmpludp = li->lud;
 156                                 tmpludp;
 157                                 i++, tmpludp = tmpludp->lud_next )
 158                 {
 159                         if ( ( tmpludp->lud_dn != NULL
 160                                                 && tmpludp->lud_dn[0] != '\0' )
 161                                         || tmpludp->lud_attrs != NULL
 162                                         || tmpludp->lud_filter != NULL
 163                                         || tmpludp->lud_exts != NULL )
 164                         {
 165                                 fprintf( stderr, "%s: line %d: "
 166                                                 "warning, only protocol, "
 167                                                 "host and port allowed "
 168                                                 "in \"uri <uri>\" statement "
 169                                                 "for uri #%d of \"%s\"\n",
 170                                                 fname, lineno, i, argv[1] );
 171                         }
 172                 }
 173
 174 #if 0
 175                 for ( tmpludp = li->lud; tmpludp; tmpludp = tmpludp->lud_next ) {
 176                         LDAPURLDesc     tmplud;
 177                         char            *tmpurl;
 178                         ber_len_t       oldlen = 0, len;
 179
 180                         tmplud = *tmpludp;
 181                         tmplud.lud_dn = "";
 182                         tmplud.lud_attrs = NULL;
 183                         tmplud.lud_filter = NULL;
 184                         if ( !ldap_is_ldapi_url( argv[ 1 ] ) ) {
 185                                 tmplud.lud_exts = NULL;
 186                                 tmplud.lud_crit_exts = 0;
 187                         }
 188
 189                         tmpurl = ldap_url_desc2str( &tmplud );
 190
 191                         if ( tmpurl == NULL ) {
 192                                 fprintf( stderr, "%s: line %d: "
 193                                         "unable to rebuild uri "
 194                                         "in \"uri <uri>\" statement "
 195                                         "for \"%s\"\n",
 196                                         fname, lineno, argv[ 1 ] );
 197                                 return 1;
 198                         }
 199
 200                         len = strlen( tmpurl );
 201                         if ( li->url ) {
 202                                 oldlen = strlen( li->url ) + STRLENOF( " " );
 203                         }
 204                         li->url = ch_realloc( li->url, oldlen + len + 1);
 205                         if ( oldlen ) {
 206                                 li->url[oldlen - 1] = " ";
 207                         }
 208                         AC_MEMCPY( &li->url[oldlen], tmpurl, len + 1 );
 209                         ch_free( tmpurl );
 210                 }
 211 #else
 212                 li->url = ch_strdup( argv[ 1 ] );
 213 #endif
 214
 215         /* name to use for ldap_back_group */
 216         } else if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
 217                         || strcasecmp( argv[0], "binddn" ) == 0 ) {
 218                 if ( argc != 2 ) {
 219                         fprintf( stderr,
 220         "%s: line %d: missing name in \"%s <name>\" line\n",
 221                                         fname, lineno, argv[0] );
 222                         return( 1 );
 223                 }
 224                 ber_str2bv( argv[1], 0, 1, &li->acl_authcDN );
 225
 226         /* password to use for ldap_back_group */
 227         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
 228                         || strcasecmp( argv[0], "bindpw" ) == 0 ) {
 229                 if ( argc != 2 ) {
 230                         fprintf( stderr,
 231         "%s: line %d: missing password in \"%s <password>\" line\n",
 232                                         fname, lineno, argv[0] );
 233                         return( 1 );
 234                 }
 235                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
 236
 237 #ifdef LDAP_BACK_PROXY_AUTHZ
 238         /* identity assertion stuff... */
 239         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
 240                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 ) {
 241                 return parse_idassert( be, fname, lineno, argc, argv );
 242 #endif /* LDAP_BACK_PROXY_AUTHZ */
 243
 244         /* save bind creds for referral rebinds? */
 245         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
 246                 if ( argc != 1 ) {
 247                         fprintf( stderr,
 248         "%s: line %d: rebind-as-user takes no arguments\n",
 249                                         fname, lineno );
 250                         return( 1 );
 251                 }
 252                 li->savecred = 1;
 253
 254         /* intercept exop_who_am_i? */
 255         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
 256                 if ( argc != 1 ) {
 257                         fprintf( stderr,
 258         "%s: line %d: proxy-whoami takes no arguments\n",
 259                                         fname, lineno );
 260                         return( 1 );
 261                 }
 262                 load_extop( (struct berval *)&slap_EXOP_WHOAMI,
 263                                 0, ldap_back_exop_whoami );
 264
 265         /* FIXME: legacy: intercept old rewrite/remap directives
 266          * and try to start the rwm overlay */
 267         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
 268                         || strcasecmp( argv[0], "map" ) == 0
 269                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
 270         {
 271                 if ( li->rwm_started == 0 ) {
 272                         if ( overlay_config( be, "rwm" ) ) {
 273                                 fprintf( stderr, "%s: line %d: "
 274                                         "unable to configure the \"rwm\" "
 275                                         "overlay, required by directive "
 276                                         "\"%s\".\n",
 277                                         fname, lineno, argv[0] );
 278 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
 279                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
 280 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
 281                                 return( 1 );
 282                         }
 283
 284                         fprintf( stderr, "%s: line %d: back-ldap: "
 285                                 "automatically starting \"rwm\" overlay, "
 286                                 "triggered by \"%s\" directive.\n",
 287                                 fname, lineno, argv[ 0 ] );
 288
 289                         li->rwm_started = 1;
 290
 291                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
 292                 }
 293
 294                 return SLAP_CONF_UNKNOWN;
 295
 296         /* anything else */
 297         } else {
 298                 return SLAP_CONF_UNKNOWN;
 299         }
 300
 301         return 0;
 302 }
 303
 304 static int
 305 ldap_back_exop_whoami(
 306                 Operation       *op,
 307                 SlapReply       *rs )
 308 {
 309         struct berval *bv = NULL;
 310
 311         if ( op->oq_extended.rs_reqdata != NULL ) {
 312                 /* no request data should be provided */
 313                 rs->sr_text = "no request data expected";
 314                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
 315         }
 316
 317         rs->sr_err = backend_check_restrictions( op, rs,
 318                         (struct berval *)&slap_EXOP_WHOAMI );
 319         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
 320
 321         /* if auth'd by back-ldap and request is proxied, forward it */
 322         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)) {
 323                 struct ldapconn *lc;
 324
 325                 LDAPControl c, *ctrls[2] = {NULL, NULL};
 326                 LDAPMessage *res;
 327                 Operation op2 = *op;
 328                 ber_int_t msgid;
 329                 int do_retry = 1;
 330
 331                 ctrls[0] = &c;
 332                 op2.o_ndn = op->o_conn->c_ndn;
 333                 lc = ldap_back_getconn(&op2, rs);
 334                 if (!lc || !ldap_back_dobind( lc, op, rs )) {
 335                         return -1;
 336                 }
 337                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 338                 c.ldctl_iscritical = 1;
 339                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
 340                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
 341                 strcpy(c.ldctl_value.bv_val, "dn:");
 342                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
 343
 344 retry:
 345                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
 346                 if (rs->sr_err == LDAP_SUCCESS) {
 347                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
 348                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
 349                                         &rs->sr_err);
 350                                 if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
 351                                         do_retry = 0;
 352                                         if ( ldap_back_retry( lc, op, rs ) )
 353                                                 goto retry;
 354                                 }
 355                                 ldap_back_freeconn( op, lc );
 356                                 lc = NULL;
 357
 358                         } else {
 359                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
 360                                 ldap_msgfree(res);
 361                         }
 362                 }
 363                 ch_free(c.ldctl_value.bv_val);
 364                 if (rs->sr_err != LDAP_SUCCESS) {
 365                         rs->sr_err = slap_map_api2result( rs );
 366                 }
 367         } else {
 368         /* else just do the same as before */
 369                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
 370                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
 371                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
 372                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
 373                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
 374                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
 375                                 op->o_dn.bv_len );
 376                         bv->bv_val[bv->bv_len] = '\0';
 377                 } else {
 378                         bv->bv_len = 0;
 379                         bv->bv_val = NULL;
 380                 }
 381         }
 382
 383         rs->sr_rspdata = bv;
 384         return rs->sr_err;
 385 }
 386
 387
 388 #ifdef LDAP_BACK_PROXY_AUTHZ
 389 static int
 390 parse_idassert(
 391     BackendDB   *be,
 392     const char  *fname,
 393     int         lineno,
 394     int         argc,
 395     char        **argv
 396 )
 397 {
 398         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 399
 400         /* identity assertion mode */
 401         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
 402                 if ( argc < 2 ) {
 403                         Debug( LDAP_DEBUG_ANY,
 404                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
 405                                 fname, lineno, argc );
 406                         return 1;
 407                 }
 408
 409                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
 410                         /* will proxyAuthz as client's identity only if bound */
 411                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 412
 413                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
 414                         /* will proxyAuthz as client's identity */
 415                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
 416
 417                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
 418                         /* will proxyAuthz as anonymous */
 419                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
 420
 421                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
 422                         /* will not proxyAuthz */
 423                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
 424
 425                 } else {
 426                         struct berval   id;
 427                         int             rc;
 428
 429                         /* will proxyAuthz as argv[1] */
 430                         ber_str2bv( argv[1], 0, 0, &id );
 431
 432                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
 433                                 /* force lowercase... */
 434                                 id.bv_val[0] = 'u';
 435                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 436                                 ber_dupbv( &li->idassert_authzID, &id );
 437
 438                         } else {
 439                                 struct berval   dn;
 440
 441                                 /* default is DN? */
 442                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 443                                         id.bv_val += STRLENOF( "dn:" );
 444                                         id.bv_len -= STRLENOF( "dn:" );
 445                                 }
 446
 447                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
 448                                 if ( rc != LDAP_SUCCESS ) {
 449                                         Debug( LDAP_DEBUG_ANY,
 450                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 451                                                 fname, lineno, argv[1] );
 452                                         return 1;
 453                                 }
 454
 455                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
 456                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 457                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 458                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
 459                                 ch_free( dn.bv_val );
 460
 461                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 462                         }
 463                 }
 464
 465                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
 466                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
 467                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 468
 469                         } else {
 470                                 Debug( LDAP_DEBUG_ANY,
 471                                         "%s: line %d: unknown flag \"%s\" "
 472                                         "in \"idassert-mode <args> "
 473                                         "[<flags>]\" line.\n",
 474                                         fname, lineno, argv[0] );
 475                                 return 1;
 476                         }
 477                 }
 478
 479         /* name to use for proxyAuthz propagation */
 480         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
 481                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
 482         {
 483                 struct berval   dn;
 484                 int             rc;
 485
 486                 /* FIXME: "proxyauthzdn" is no longer documented, and
 487                  * temporarily supported for backwards compatibility */
 488
 489                 if ( argc != 2 ) {
 490                         fprintf( stderr,
 491         "%s: line %d: missing name in \"%s <name>\" line\n",
 492                             fname, lineno, argv[0] );
 493                         return( 1 );
 494                 }
 495
 496                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 497                         fprintf( stderr, "%s: line %d: "
 498                                         "authcDN already defined; replacing...\n",
 499                                         fname, lineno );
 500                         ch_free( li->idassert_authcDN.bv_val );
 501                 }
 502
 503                 ber_str2bv( argv[1], 0, 0, &dn );
 504                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 505                 if ( rc != LDAP_SUCCESS ) {
 506                         Debug( LDAP_DEBUG_ANY,
 507                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 508                                 fname, lineno, argv[1] );
 509                         return 1;
 510                 }
 511
 512         /* password to use for proxyAuthz propagation */
 513         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
 514                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
 515         {
 516                 /* FIXME: "proxyauthzpw" is no longer documented, and
 517                  * temporarily supported for backwards compatibility */
 518
 519                 if ( argc != 2 ) {
 520                         fprintf( stderr,
 521         "%s: line %d: missing password in \"%s <password>\" line\n",
 522                             fname, lineno, argv[0] );
 523                         return( 1 );
 524                 }
 525
 526                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 527                         fprintf( stderr, "%s: line %d: "
 528                                         "passwd already defined; replacing...\n",
 529                                         fname, lineno );
 530                         ch_free( li->idassert_passwd.bv_val );
 531                 }
 532
 533                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
 534
 535         /* rules to accept identity assertion... */
 536         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
 537                 struct berval   rule;
 538
 539                 ber_str2bv( argv[1], 0, 1, &rule );
 540
 541                 ber_bvarray_add( &li->idassert_authz, &rule );
 542
 543         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
 544                 if ( argc < 2 ) {
 545                         fprintf( stderr,
 546         "%s: line %d: missing method in \"%s <method>\" line\n",
 547                             fname, lineno, argv[0] );
 548                         return( 1 );
 549                 }
 550
 551                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 552                         /* FIXME: is this useful? */
 553                         li->idassert_authmethod = LDAP_AUTH_NONE;
 554
 555                         if ( argc != 2 ) {
 556                                 fprintf( stderr,
 557         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 558                                         fname, lineno, argv[0], argv[1] );
 559                         }
 560
 561                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 562                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 563
 564                         if ( argc != 2 ) {
 565                                 fprintf( stderr,
 566         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 567                                         fname, lineno, argv[0], argv[1] );
 568                         }
 569
 570                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 571 #ifdef HAVE_CYRUS_SASL
 572                         int     arg;
 573
 574                         for ( arg = 2; arg < argc; arg++ ) {
 575                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 576                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 577
 578                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 579                                                 fprintf( stderr, "%s: line %d: "
 580                                                                 "SASL mech already defined; replacing...\n",
 581                                                                 fname, lineno );
 582                                                 ch_free( li->idassert_sasl_mech.bv_val );
 583                                         }
 584                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
 585
 586                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 587                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 588
 589                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 590                                                 fprintf( stderr, "%s: line %d: "
 591                                                                 "SASL realm already defined; replacing...\n",
 592                                                                 fname, lineno );
 593                                                 ch_free( li->idassert_sasl_realm.bv_val );
 594                                         }
 595                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
 596
 597                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 598                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 599                                         struct berval   dn;
 600                                         int             rc;
 601
 602                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 603                                                 fprintf( stderr, "%s: line %d: "
 604                                                                 "SASL authcDN already defined; replacing...\n",
 605                                                                 fname, lineno );
 606                                                 ch_free( li->idassert_authcDN.bv_val );
 607                                         }
 608                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 609                                                 val += STRLENOF( "dn:" );
 610                                         }
 611
 612                                         ber_str2bv( val, 0, 0, &dn );
 613                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 614                                         if ( rc != LDAP_SUCCESS ) {
 615                                                 Debug( LDAP_DEBUG_ANY,
 616                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 617                                                         fname, lineno, val );
 618                                                 return 1;
 619                                         }
 620
 621                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 622                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 623
 624                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 625                                                 fprintf( stderr, "%s: line %d: "
 626                                                                 "SASL authcID already defined; replacing...\n",
 627                                                                 fname, lineno );
 628                                                 ch_free( li->idassert_authcID.bv_val );
 629                                         }
 630                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 631                                                 val += STRLENOF( "u:" );
 632                                         }
 633                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
 634
 635                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 636                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 637
 638                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 639                                                 fprintf( stderr, "%s: line %d: "
 640                                                                 "SASL cred already defined; replacing...\n",
 641                                                                 fname, lineno );
 642                                                 ch_free( li->idassert_passwd.bv_val );
 643                                         }
 644                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
 645
 646                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 647                                         char    *val = argv[arg] + STRLENOF( "authz=" );
 648
 649                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
 650                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 651
 652                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
 653                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 654
 655                                         } else {
 656                                                 fprintf( stderr, "%s: line %s: "
 657                                                         "unknown authz mode \"%s\"\n",
 658                                                         fname, lineno, val );
 659                                                 return 1;
 660                                         }
 661
 662                                 } else {
 663                                         fprintf( stderr, "%s: line %d: "
 664                                                         "unknown SASL parameter %s\n",
 665                                                         fname, lineno, argv[arg] );
 666                                         return 1;
 667                                 }
 668                         }
 669
 670                         li->idassert_authmethod = LDAP_AUTH_SASL;
 671
 672 #else /* !HAVE_CYRUS_SASL */
 673                         fprintf( stderr, "%s: line %d: "
 674                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 675                                         fname, lineno );
 676                         return 1;
 677 #endif /* !HAVE_CYRUS_SASL */
 678
 679                 } else {
 680                         fprintf( stderr, "%s: line %d: "
 681                                         "unhandled idassert-method method %s\n",
 682                                         fname, lineno, argv[1] );
 683                         return 1;
 684                 }
 685
 686         } else {
 687                 return SLAP_CONF_UNKNOWN;
 688         }
 689
 690         return 0;
 691 }
 692 #endif /* LDAP_BACK_PROXY_AUTHZ */