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 2003-2005 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
  78                 l = strlen( argv[1] ) + STRLENOF( "ldap:///") + 1;
  79                 li->url = ch_calloc( l, sizeof( char ) );
  80                 if ( li->url == NULL ) {
  81                         fprintf( stderr, "%s: line %d: malloc failed\n" );
  82                         return 1;
  83                 }
  84
  85                 snprintf( li->url, l, "ldap://%s/", argv[1] );
  86
  87         /* URI of server to query (preferred over "server" directive) */
  88         } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
  89                 LDAPURLDesc     *tmpludp;
  90                 int             urlrc, i;
  91
  92                 if ( argc != 2 ) {
  93                         fprintf( stderr, "%s: line %d: "
  94                                         "missing uri "
  95                                         "in \"uri <uri>\" line\n",
  96                                         fname, lineno );
  97                         return 1;
  98                 }
  99                 if ( li->url != NULL ) {
 100                         ch_free( li->url );
 101                 }
 102                 if ( li->lud != NULL ) {
 103                         ldap_free_urllist( li->lud );
 104                 }
 105
 106 #if 0
 107                 /* PARANOID: DN and more are not required nor allowed */
 108                 urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" );
 109 #else
 110                 urlrc =  ldap_url_parselist( &li->lud, argv[ 1 ] );
 111 #endif
 112                 if ( urlrc != LDAP_URL_SUCCESS ) {
 113                         char    *why;
 114
 115                         switch ( urlrc ) {
 116                         case LDAP_URL_ERR_MEM:
 117                                 why = "no memory";
 118                                 break;
 119                         case LDAP_URL_ERR_PARAM:
 120                                 why = "parameter is bad";
 121                                 break;
 122                         case LDAP_URL_ERR_BADSCHEME:
 123                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 124                                 break;
 125                         case LDAP_URL_ERR_BADENCLOSURE:
 126                                 why = "URL is missing trailing \">\"";
 127                                 break;
 128                         case LDAP_URL_ERR_BADURL:
 129                                 why = "URL is bad";
 130                         case LDAP_URL_ERR_BADHOST:
 131                                 why = "host/port is bad";
 132                                 break;
 133                         case LDAP_URL_ERR_BADATTRS:
 134                                 why = "bad (or missing) attributes";
 135                                 break;
 136                         case LDAP_URL_ERR_BADSCOPE:
 137                                 why = "scope string is invalid (or missing)";
 138                                 break;
 139                         case LDAP_URL_ERR_BADFILTER:
 140                                 why = "bad or missing filter";
 141                                 break;
 142                         case LDAP_URL_ERR_BADEXTS:
 143                                 why = "bad or missing extensions";
 144                                 break;
 145                         default:
 146                                 why = "unknown reason";
 147                                 break;
 148                         }
 149                         fprintf( stderr, "%s: line %d: "
 150                                         "unable to parse uri \"%s\" "
 151                                         "in \"uri <uri>\" line: %s\n",
 152                                         fname, lineno, argv[ 1 ], why );
 153                         return 1;
 154                 }
 155
 156                 for ( i = 0, tmpludp = li->lud;
 157                                 tmpludp;
 158                                 i++, tmpludp = tmpludp->lud_next )
 159                 {
 160                         if ( ( tmpludp->lud_dn != NULL
 161                                                 && tmpludp->lud_dn[0] != '\0' )
 162                                         || tmpludp->lud_attrs != NULL
 163                                         || tmpludp->lud_filter != NULL
 164                                         || tmpludp->lud_exts != NULL )
 165                         {
 166                                 fprintf( stderr, "%s: line %d: "
 167                                                 "warning, only protocol, "
 168                                                 "host and port allowed "
 169                                                 "in \"uri <uri>\" statement "
 170                                                 "for uri #%d of \"%s\"\n",
 171                                                 fname, lineno, i, argv[1] );
 172                         }
 173                 }
 174
 175 #if 0
 176                 for ( tmpludp = li->lud; tmpludp; tmpludp = tmpludp->lud_next ) {
 177                         LDAPURLDesc     tmplud;
 178                         char            *tmpurl;
 179                         ber_len_t       oldlen = 0, len;
 180
 181                         tmplud = *tmpludp;
 182                         tmplud.lud_dn = "";
 183                         tmplud.lud_attrs = NULL;
 184                         tmplud.lud_filter = NULL;
 185                         if ( !ldap_is_ldapi_url( argv[ 1 ] ) ) {
 186                                 tmplud.lud_exts = NULL;
 187                                 tmplud.lud_crit_exts = 0;
 188                         }
 189
 190                         tmpurl = ldap_url_desc2str( &tmplud );
 191
 192                         if ( tmpurl == NULL ) {
 193                                 fprintf( stderr, "%s: line %d: "
 194                                         "unable to rebuild uri "
 195                                         "in \"uri <uri>\" statement "
 196                                         "for \"%s\"\n",
 197                                         fname, lineno, argv[ 1 ] );
 198                                 return 1;
 199                         }
 200
 201                         len = strlen( tmpurl );
 202                         if ( li->url ) {
 203                                 oldlen = strlen( li->url ) + STRLENOF( " " );
 204                         }
 205                         li->url = ch_realloc( li->url, oldlen + len + 1);
 206                         if ( oldlen ) {
 207                                 li->url[oldlen - 1] = " ";
 208                         }
 209                         AC_MEMCPY( &li->url[oldlen], tmpurl, len + 1 );
 210                         ch_free( tmpurl );
 211                 }
 212 #else
 213                 li->url = ch_strdup( argv[ 1 ] );
 214 #endif
 215
 216         /* name to use for ldap_back_group */
 217         } else if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
 218                         || strcasecmp( argv[0], "binddn" ) == 0 ) {
 219                 if ( argc != 2 ) {
 220                         fprintf( stderr,
 221         "%s: line %d: missing name in \"%s <name>\" line\n",
 222                                         fname, lineno, argv[0] );
 223                         return( 1 );
 224                 }
 225                 ber_str2bv( argv[1], 0, 1, &li->acl_authcDN );
 226
 227         /* password to use for ldap_back_group */
 228         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
 229                         || strcasecmp( argv[0], "bindpw" ) == 0 ) {
 230                 if ( argc != 2 ) {
 231                         fprintf( stderr,
 232         "%s: line %d: missing password in \"%s <password>\" line\n",
 233                                         fname, lineno, argv[0] );
 234                         return( 1 );
 235                 }
 236                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
 237
 238 #ifdef LDAP_BACK_PROXY_AUTHZ
 239         /* identity assertion stuff... */
 240         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
 241                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 ) {
 242                 return parse_idassert( be, fname, lineno, argc, argv );
 243 #endif /* LDAP_BACK_PROXY_AUTHZ */
 244
 245         /* save bind creds for referral rebinds? */
 246         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
 247                 if ( argc != 1 ) {
 248                         fprintf( stderr,
 249         "%s: line %d: rebind-as-user takes no arguments\n",
 250                                         fname, lineno );
 251                         return( 1 );
 252                 }
 253                 li->savecred = 1;
 254
 255         /* intercept exop_who_am_i? */
 256         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
 257                 if ( argc != 1 ) {
 258                         fprintf( stderr,
 259         "%s: line %d: proxy-whoami takes no arguments\n",
 260                                         fname, lineno );
 261                         return( 1 );
 262                 }
 263                 load_extop( (struct berval *)&slap_EXOP_WHOAMI,
 264                                 0, ldap_back_exop_whoami );
 265
 266         /* FIXME: legacy: intercept old rewrite/remap directives
 267          * and try to start the rwm overlay */
 268         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
 269                         || strcasecmp( argv[0], "map" ) == 0
 270                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
 271         {
 272                 fprintf( stderr, "%s: line %d: "
 273                         "rewrite/remap capabilities have been moved "
 274                         "to the \"rwm\" overlay; see slapo-rwm(5) "
 275                         "for details.  I'm trying to do my best "
 276                         "to preserve backwards compatibility...\n",
 277                         fname, lineno );
 278
 279                 if ( li->rwm_started == 0 ) {
 280                         if ( overlay_config( be, "rwm" ) ) {
 281                                 fprintf( stderr, "%s: line %d: "
 282                                         "unable to configure the \"rwm\" "
 283                                         "overlay, required by directive "
 284                                         "\"%s\".\n",
 285                                         fname, lineno, argv[0] );
 286 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
 287                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
 288 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
 289                                 return( 1 );
 290                         }
 291
 292                         fprintf( stderr, "%s: line %d: back-ldap: "
 293                                 "automatically starting \"rwm\" overlay, "
 294                                 "triggered by \"%s\" directive.\n",
 295                                 fname, lineno, argv[ 0 ] );
 296
 297                         li->rwm_started = 1;
 298
 299                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
 300                 }
 301
 302                 return SLAP_CONF_UNKNOWN;
 303
 304         /* anything else */
 305         } else {
 306                 return SLAP_CONF_UNKNOWN;
 307         }
 308
 309         return 0;
 310 }
 311
 312 static int
 313 ldap_back_exop_whoami(
 314                 Operation       *op,
 315                 SlapReply       *rs )
 316 {
 317         struct berval *bv = NULL;
 318
 319         if ( op->oq_extended.rs_reqdata != NULL ) {
 320                 /* no request data should be provided */
 321                 rs->sr_text = "no request data expected";
 322                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
 323         }
 324
 325         rs->sr_err = backend_check_restrictions( op, rs,
 326                         (struct berval *)&slap_EXOP_WHOAMI );
 327         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
 328
 329         /* if auth'd by back-ldap and request is proxied, forward it */
 330         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)) {
 331                 struct ldapconn *lc;
 332
 333                 LDAPControl c, *ctrls[2] = {NULL, NULL};
 334                 LDAPMessage *res;
 335                 Operation op2 = *op;
 336                 ber_int_t msgid;
 337                 int do_retry = 1;
 338
 339                 ctrls[0] = &c;
 340                 op2.o_ndn = op->o_conn->c_ndn;
 341                 lc = ldap_back_getconn(&op2, rs);
 342                 if (!lc || !ldap_back_dobind( lc, op, rs )) {
 343                         return -1;
 344                 }
 345                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 346                 c.ldctl_iscritical = 1;
 347                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
 348                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
 349                 strcpy(c.ldctl_value.bv_val, "dn:");
 350                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
 351
 352 retry:
 353                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
 354                 if (rs->sr_err == LDAP_SUCCESS) {
 355                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
 356                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
 357                                         &rs->sr_err);
 358                                 if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
 359                                         do_retry = 0;
 360                                         if ( ldap_back_retry( lc, op, rs ) )
 361                                                 goto retry;
 362                                 }
 363                                 ldap_back_freeconn( op, lc );
 364                                 lc = NULL;
 365
 366                         } else {
 367                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
 368                                 ldap_msgfree(res);
 369                         }
 370                 }
 371                 ch_free(c.ldctl_value.bv_val);
 372                 if (rs->sr_err != LDAP_SUCCESS) {
 373                         rs->sr_err = slap_map_api2result( rs );
 374                 }
 375         } else {
 376         /* else just do the same as before */
 377                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
 378                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
 379                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
 380                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
 381                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
 382                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
 383                                 op->o_dn.bv_len );
 384                         bv->bv_val[bv->bv_len] = '\0';
 385                 } else {
 386                         bv->bv_len = 0;
 387                         bv->bv_val = NULL;
 388                 }
 389         }
 390
 391         rs->sr_rspdata = bv;
 392         return rs->sr_err;
 393 }
 394
 395
 396 #ifdef LDAP_BACK_PROXY_AUTHZ
 397 static int
 398 parse_idassert(
 399     BackendDB   *be,
 400     const char  *fname,
 401     int         lineno,
 402     int         argc,
 403     char        **argv
 404 )
 405 {
 406         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 407
 408         /* identity assertion mode */
 409         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
 410                 if ( argc < 2 ) {
 411                         Debug( LDAP_DEBUG_ANY,
 412                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
 413                                 fname, lineno, argc );
 414                         return 1;
 415                 }
 416
 417                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
 418                         /* will proxyAuthz as client's identity only if bound */
 419                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 420
 421                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
 422                         /* will proxyAuthz as client's identity */
 423                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
 424
 425                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
 426                         /* will proxyAuthz as anonymous */
 427                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
 428
 429                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
 430                         /* will not proxyAuthz */
 431                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
 432
 433                 } else {
 434                         struct berval   id;
 435                         int             rc;
 436
 437                         /* will proxyAuthz as argv[1] */
 438                         ber_str2bv( argv[1], 0, 0, &id );
 439
 440                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
 441                                 /* force lowercase... */
 442                                 id.bv_val[0] = 'u';
 443                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 444                                 ber_dupbv( &li->idassert_authzID, &id );
 445
 446                         } else {
 447                                 struct berval   dn;
 448
 449                                 /* default is DN? */
 450                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 451                                         id.bv_val += STRLENOF( "dn:" );
 452                                         id.bv_len -= STRLENOF( "dn:" );
 453                                 }
 454
 455                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
 456                                 if ( rc != LDAP_SUCCESS ) {
 457                                         Debug( LDAP_DEBUG_ANY,
 458                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 459                                                 fname, lineno, argv[1] );
 460                                         return 1;
 461                                 }
 462
 463                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
 464                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 465                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 466                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
 467                                 ch_free( dn.bv_val );
 468
 469                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 470                         }
 471                 }
 472
 473                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
 474                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
 475                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 476
 477                         } else {
 478                                 Debug( LDAP_DEBUG_ANY,
 479                                         "%s: line %d: unknown flag \"%s\" "
 480                                         "in \"idassert-mode <args> "
 481                                         "[<flags>]\" line.\n",
 482                                         fname, lineno, argv[0] );
 483                                 return 1;
 484                         }
 485                 }
 486
 487         /* name to use for proxyAuthz propagation */
 488         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
 489                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
 490         {
 491                 struct berval   dn;
 492                 int             rc;
 493
 494                 /* FIXME: "proxyauthzdn" is no longer documented, and
 495                  * temporarily supported for backwards compatibility */
 496
 497                 if ( argc != 2 ) {
 498                         fprintf( stderr,
 499         "%s: line %d: missing name in \"%s <name>\" line\n",
 500                             fname, lineno, argv[0] );
 501                         return( 1 );
 502                 }
 503
 504                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 505                         fprintf( stderr, "%s: line %d: "
 506                                         "authcDN already defined; replacing...\n",
 507                                         fname, lineno );
 508                         ch_free( li->idassert_authcDN.bv_val );
 509                 }
 510
 511                 ber_str2bv( argv[1], 0, 0, &dn );
 512                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 513                 if ( rc != LDAP_SUCCESS ) {
 514                         Debug( LDAP_DEBUG_ANY,
 515                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 516                                 fname, lineno, argv[1] );
 517                         return 1;
 518                 }
 519
 520         /* password to use for proxyAuthz propagation */
 521         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
 522                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
 523         {
 524                 /* FIXME: "proxyauthzpw" is no longer documented, and
 525                  * temporarily supported for backwards compatibility */
 526
 527                 if ( argc != 2 ) {
 528                         fprintf( stderr,
 529         "%s: line %d: missing password in \"%s <password>\" line\n",
 530                             fname, lineno, argv[0] );
 531                         return( 1 );
 532                 }
 533
 534                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 535                         fprintf( stderr, "%s: line %d: "
 536                                         "passwd already defined; replacing...\n",
 537                                         fname, lineno );
 538                         ch_free( li->idassert_passwd.bv_val );
 539                 }
 540
 541                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
 542
 543         /* rules to accept identity assertion... */
 544         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
 545                 struct berval   rule;
 546
 547                 ber_str2bv( argv[1], 0, 1, &rule );
 548
 549                 ber_bvarray_add( &li->idassert_authz, &rule );
 550
 551         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
 552                 if ( argc < 2 ) {
 553                         fprintf( stderr,
 554         "%s: line %d: missing method in \"%s <method>\" line\n",
 555                             fname, lineno, argv[0] );
 556                         return( 1 );
 557                 }
 558
 559                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 560                         /* FIXME: is this useful? */
 561                         li->idassert_authmethod = LDAP_AUTH_NONE;
 562
 563                         if ( argc != 2 ) {
 564                                 fprintf( stderr,
 565         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 566                                         fname, lineno, argv[0], argv[1] );
 567                         }
 568
 569                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 570                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 571
 572                         if ( argc != 2 ) {
 573                                 fprintf( stderr,
 574         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 575                                         fname, lineno, argv[0], argv[1] );
 576                         }
 577
 578                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 579 #ifdef HAVE_CYRUS_SASL
 580                         int     arg;
 581
 582                         for ( arg = 2; arg < argc; arg++ ) {
 583                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 584                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 585
 586                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 587                                                 fprintf( stderr, "%s: line %d: "
 588                                                                 "SASL mech already defined; replacing...\n",
 589                                                                 fname, lineno );
 590                                                 ch_free( li->idassert_sasl_mech.bv_val );
 591                                         }
 592                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
 593
 594                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 595                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 596
 597                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 598                                                 fprintf( stderr, "%s: line %d: "
 599                                                                 "SASL realm already defined; replacing...\n",
 600                                                                 fname, lineno );
 601                                                 ch_free( li->idassert_sasl_realm.bv_val );
 602                                         }
 603                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
 604
 605                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 606                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 607                                         struct berval   dn;
 608                                         int             rc;
 609
 610                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 611                                                 fprintf( stderr, "%s: line %d: "
 612                                                                 "SASL authcDN already defined; replacing...\n",
 613                                                                 fname, lineno );
 614                                                 ch_free( li->idassert_authcDN.bv_val );
 615                                         }
 616                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 617                                                 val += STRLENOF( "dn:" );
 618                                         }
 619
 620                                         ber_str2bv( val, 0, 0, &dn );
 621                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 622                                         if ( rc != LDAP_SUCCESS ) {
 623                                                 Debug( LDAP_DEBUG_ANY,
 624                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 625                                                         fname, lineno, val );
 626                                                 return 1;
 627                                         }
 628
 629                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 630                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 631
 632                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 633                                                 fprintf( stderr, "%s: line %d: "
 634                                                                 "SASL authcID already defined; replacing...\n",
 635                                                                 fname, lineno );
 636                                                 ch_free( li->idassert_authcID.bv_val );
 637                                         }
 638                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 639                                                 val += STRLENOF( "u:" );
 640                                         }
 641                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
 642
 643                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 644                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 645
 646                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 647                                                 fprintf( stderr, "%s: line %d: "
 648                                                                 "SASL cred already defined; replacing...\n",
 649                                                                 fname, lineno );
 650                                                 ch_free( li->idassert_passwd.bv_val );
 651                                         }
 652                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
 653
 654                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 655                                         char    *val = argv[arg] + STRLENOF( "authz=" );
 656
 657                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
 658                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 659
 660                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
 661                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 662
 663                                         } else {
 664                                                 fprintf( stderr, "%s: line %s: "
 665                                                         "unknown authz mode \"%s\"\n",
 666                                                         fname, lineno, val );
 667                                                 return 1;
 668                                         }
 669
 670                                 } else {
 671                                         fprintf( stderr, "%s: line %d: "
 672                                                         "unknown SASL parameter %s\n",
 673                                                         fname, lineno, argv[arg] );
 674                                         return 1;
 675                                 }
 676                         }
 677
 678                         li->idassert_authmethod = LDAP_AUTH_SASL;
 679
 680 #else /* !HAVE_CYRUS_SASL */
 681                         fprintf( stderr, "%s: line %d: "
 682                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 683                                         fname, lineno );
 684                         return 1;
 685 #endif /* !HAVE_CYRUS_SASL */
 686
 687                 } else {
 688                         fprintf( stderr, "%s: line %d: "
 689                                         "unhandled idassert-method method %s\n",
 690                                         fname, lineno, argv[1] );
 691                         return 1;
 692                 }
 693
 694         } else {
 695                 return SLAP_CONF_UNKNOWN;
 696         }
 697
 698         return 0;
 699 }
 700 #endif /* LDAP_BACK_PROXY_AUTHZ */