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         /* anything else */
 263         } else {
 264                 return SLAP_CONF_UNKNOWN;
 265         }
 266
 267         return 0;
 268 }
 269
 270 static int
 271 ldap_back_exop_whoami(
 272                 Operation       *op,
 273                 SlapReply       *rs )
 274 {
 275         struct berval *bv = NULL;
 276
 277         if ( op->oq_extended.rs_reqdata != NULL ) {
 278                 /* no request data should be provided */
 279                 rs->sr_text = "no request data expected";
 280                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
 281         }
 282
 283         rs->sr_err = backend_check_restrictions( op, rs,
 284                         (struct berval *)&slap_EXOP_WHOAMI );
 285         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
 286
 287         /* if auth'd by back-ldap and request is proxied, forward it */
 288         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)) {
 289                 struct ldapconn *lc;
 290
 291                 LDAPControl c, *ctrls[2] = {NULL, NULL};
 292                 LDAPMessage *res;
 293                 Operation op2 = *op;
 294                 ber_int_t msgid;
 295                 int do_retry = 1;
 296
 297                 ctrls[0] = &c;
 298                 op2.o_ndn = op->o_conn->c_ndn;
 299                 lc = ldap_back_getconn(&op2, rs);
 300                 if (!lc || !ldap_back_dobind( lc, op, rs )) {
 301                         return -1;
 302                 }
 303                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 304                 c.ldctl_iscritical = 1;
 305                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
 306                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
 307                 strcpy(c.ldctl_value.bv_val, "dn:");
 308                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
 309
 310 retry:
 311                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
 312                 if (rs->sr_err == LDAP_SUCCESS) {
 313                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
 314                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
 315                                         &rs->sr_err);
 316                                 if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
 317                                         do_retry = 0;
 318                                         if ( ldap_back_retry( lc, op, rs ) )
 319                                                 goto retry;
 320                                 }
 321                                 ldap_back_freeconn( op, lc );
 322                                 lc = NULL;
 323
 324                         } else {
 325                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
 326                                 ldap_msgfree(res);
 327                         }
 328                 }
 329                 ch_free(c.ldctl_value.bv_val);
 330                 if (rs->sr_err != LDAP_SUCCESS) {
 331                         rs->sr_err = slap_map_api2result( rs );
 332                 }
 333         } else {
 334         /* else just do the same as before */
 335                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
 336                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
 337                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
 338                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
 339                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
 340                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
 341                                 op->o_dn.bv_len );
 342                         bv->bv_val[bv->bv_len] = '\0';
 343                 } else {
 344                         bv->bv_len = 0;
 345                         bv->bv_val = NULL;
 346                 }
 347         }
 348
 349         rs->sr_rspdata = bv;
 350         return rs->sr_err;
 351 }
 352
 353
 354 #ifdef LDAP_BACK_PROXY_AUTHZ
 355 static int
 356 parse_idassert(
 357     BackendDB   *be,
 358     const char  *fname,
 359     int         lineno,
 360     int         argc,
 361     char        **argv
 362 )
 363 {
 364         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 365
 366         /* identity assertion mode */
 367         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
 368                 if ( argc < 2 ) {
 369                         Debug( LDAP_DEBUG_ANY,
 370                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
 371                                 fname, lineno, argc );
 372                         return 1;
 373                 }
 374
 375                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
 376                         /* will proxyAuthz as client's identity only if bound */
 377                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 378
 379                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
 380                         /* will proxyAuthz as client's identity */
 381                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
 382
 383                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
 384                         /* will proxyAuthz as anonymous */
 385                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
 386
 387                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
 388                         /* will not proxyAuthz */
 389                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
 390
 391                 } else {
 392                         struct berval   id;
 393                         int             rc;
 394
 395                         /* will proxyAuthz as argv[1] */
 396                         ber_str2bv( argv[1], 0, 0, &id );
 397
 398                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
 399                                 /* force lowercase... */
 400                                 id.bv_val[0] = 'u';
 401                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 402                                 ber_dupbv( &li->idassert_authzID, &id );
 403
 404                         } else {
 405                                 struct berval   dn;
 406
 407                                 /* default is DN? */
 408                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 409                                         id.bv_val += STRLENOF( "dn:" );
 410                                         id.bv_len -= STRLENOF( "dn:" );
 411                                 }
 412
 413                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
 414                                 if ( rc != LDAP_SUCCESS ) {
 415                                         Debug( LDAP_DEBUG_ANY,
 416                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 417                                                 fname, lineno, argv[1] );
 418                                         return 1;
 419                                 }
 420
 421                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
 422                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 423                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 424                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
 425                                 ch_free( dn.bv_val );
 426
 427                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 428                         }
 429                 }
 430
 431                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
 432                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
 433                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 434
 435                         } else {
 436                                 Debug( LDAP_DEBUG_ANY,
 437                                         "%s: line %d: unknown flag \"%s\" "
 438                                         "in \"idassert-mode <args> "
 439                                         "[<flags>]\" line.\n",
 440                                         fname, lineno, argv[0] );
 441                                 return 1;
 442                         }
 443                 }
 444
 445         /* name to use for proxyAuthz propagation */
 446         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
 447                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
 448         {
 449                 struct berval   dn;
 450                 int             rc;
 451
 452                 /* FIXME: "proxyauthzdn" is no longer documented, and
 453                  * temporarily supported for backwards compatibility */
 454
 455                 if ( argc != 2 ) {
 456                         fprintf( stderr,
 457         "%s: line %d: missing name in \"%s <name>\" line\n",
 458                             fname, lineno, argv[0] );
 459                         return( 1 );
 460                 }
 461
 462                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 463                         fprintf( stderr, "%s: line %d: "
 464                                         "authcDN already defined; replacing...\n",
 465                                         fname, lineno );
 466                         ch_free( li->idassert_authcDN.bv_val );
 467                 }
 468
 469                 ber_str2bv( argv[1], 0, 0, &dn );
 470                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 471                 if ( rc != LDAP_SUCCESS ) {
 472                         Debug( LDAP_DEBUG_ANY,
 473                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 474                                 fname, lineno, argv[1] );
 475                         return 1;
 476                 }
 477
 478         /* password to use for proxyAuthz propagation */
 479         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
 480                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
 481         {
 482                 /* FIXME: "proxyauthzpw" is no longer documented, and
 483                  * temporarily supported for backwards compatibility */
 484
 485                 if ( argc != 2 ) {
 486                         fprintf( stderr,
 487         "%s: line %d: missing password in \"%s <password>\" line\n",
 488                             fname, lineno, argv[0] );
 489                         return( 1 );
 490                 }
 491
 492                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 493                         fprintf( stderr, "%s: line %d: "
 494                                         "passwd already defined; replacing...\n",
 495                                         fname, lineno );
 496                         ch_free( li->idassert_passwd.bv_val );
 497                 }
 498
 499                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
 500
 501         /* rules to accept identity assertion... */
 502         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
 503                 struct berval   rule;
 504
 505                 ber_str2bv( argv[1], 0, 1, &rule );
 506
 507                 ber_bvarray_add( &li->idassert_authz, &rule );
 508
 509         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
 510                 if ( argc < 2 ) {
 511                         fprintf( stderr,
 512         "%s: line %d: missing method in \"%s <method>\" line\n",
 513                             fname, lineno, argv[0] );
 514                         return( 1 );
 515                 }
 516
 517                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 518                         /* FIXME: is this useful? */
 519                         li->idassert_authmethod = LDAP_AUTH_NONE;
 520
 521                         if ( argc != 2 ) {
 522                                 fprintf( stderr,
 523         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 524                                         fname, lineno, argv[0], argv[1] );
 525                         }
 526
 527                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 528                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 529
 530                         if ( argc != 2 ) {
 531                                 fprintf( stderr,
 532         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 533                                         fname, lineno, argv[0], argv[1] );
 534                         }
 535
 536                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 537 #ifdef HAVE_CYRUS_SASL
 538                         int     arg;
 539
 540                         for ( arg = 2; arg < argc; arg++ ) {
 541                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 542                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 543
 544                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 545                                                 fprintf( stderr, "%s: line %d: "
 546                                                                 "SASL mech already defined; replacing...\n",
 547                                                                 fname, lineno );
 548                                                 ch_free( li->idassert_sasl_mech.bv_val );
 549                                         }
 550                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
 551
 552                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 553                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 554
 555                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 556                                                 fprintf( stderr, "%s: line %d: "
 557                                                                 "SASL realm already defined; replacing...\n",
 558                                                                 fname, lineno );
 559                                                 ch_free( li->idassert_sasl_realm.bv_val );
 560                                         }
 561                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
 562
 563                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 564                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 565                                         struct berval   dn;
 566                                         int             rc;
 567
 568                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 569                                                 fprintf( stderr, "%s: line %d: "
 570                                                                 "SASL authcDN already defined; replacing...\n",
 571                                                                 fname, lineno );
 572                                                 ch_free( li->idassert_authcDN.bv_val );
 573                                         }
 574                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 575                                                 val += STRLENOF( "dn:" );
 576                                         }
 577
 578                                         ber_str2bv( val, 0, 0, &dn );
 579                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 580                                         if ( rc != LDAP_SUCCESS ) {
 581                                                 Debug( LDAP_DEBUG_ANY,
 582                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 583                                                         fname, lineno, val );
 584                                                 return 1;
 585                                         }
 586
 587                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 588                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 589
 590                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 591                                                 fprintf( stderr, "%s: line %d: "
 592                                                                 "SASL authcID already defined; replacing...\n",
 593                                                                 fname, lineno );
 594                                                 ch_free( li->idassert_authcID.bv_val );
 595                                         }
 596                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 597                                                 val += STRLENOF( "u:" );
 598                                         }
 599                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
 600
 601                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 602                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 603
 604                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 605                                                 fprintf( stderr, "%s: line %d: "
 606                                                                 "SASL cred already defined; replacing...\n",
 607                                                                 fname, lineno );
 608                                                 ch_free( li->idassert_passwd.bv_val );
 609                                         }
 610                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
 611
 612                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 613                                         char    *val = argv[arg] + STRLENOF( "authz=" );
 614
 615                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
 616                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 617
 618                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
 619                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 620
 621                                         } else {
 622                                                 fprintf( stderr, "%s: line %s: "
 623                                                         "unknown authz mode \"%s\"\n",
 624                                                         fname, lineno, val );
 625                                                 return 1;
 626                                         }
 627
 628                                 } else {
 629                                         fprintf( stderr, "%s: line %d: "
 630                                                         "unknown SASL parameter %s\n",
 631                                                         fname, lineno, argv[arg] );
 632                                         return 1;
 633                                 }
 634                         }
 635
 636                         li->idassert_authmethod = LDAP_AUTH_SASL;
 637
 638 #else /* !HAVE_CYRUS_SASL */
 639                         fprintf( stderr, "%s: line %d: "
 640                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 641                                         fname, lineno );
 642                         return 1;
 643 #endif /* !HAVE_CYRUS_SASL */
 644
 645                 } else {
 646                         fprintf( stderr, "%s: line %d: "
 647                                         "unhandled idassert-method method %s\n",
 648                                         fname, lineno, argv[1] );
 649                         return 1;
 650                 }
 651
 652         } else {
 653                 return SLAP_CONF_UNKNOWN;
 654         }
 655
 656         return 0;
 657 }
 658 #endif /* LDAP_BACK_PROXY_AUTHZ */