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         {
 220                 if ( argc != 2 ) {
 221                         fprintf( stderr,
 222         "%s: line %d: missing name in \"%s <name>\" line\n",
 223                                         fname, lineno, argv[0] );
 224                         return( 1 );
 225                 }
 226
 227                 if ( strcasecmp( argv[0], "binddn" ) == 0 ) {
 228                         fprintf( stderr, "%s: line %d: "
 229                                 "\"binddn\" statement is deprecated; "
 230                                 "use \"acl-authcDN\" instead\n",
 231                                 fname, lineno );
 232                         /* FIXME: some day we'll need to throw an error */
 233                 }
 234
 235                 ber_str2bv( argv[1], 0, 1, &li->acl_authcDN );
 236
 237         /* password to use for ldap_back_group */
 238         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
 239                         || strcasecmp( argv[0], "bindpw" ) == 0 )
 240         {
 241                 if ( argc != 2 ) {
 242                         fprintf( stderr,
 243         "%s: line %d: missing password in \"%s <password>\" line\n",
 244                                         fname, lineno, argv[0] );
 245                         return( 1 );
 246                 }
 247
 248                 if ( strcasecmp( argv[0], "bindpw" ) == 0 ) {
 249                         fprintf( stderr, "%s: line %d: "
 250                                 "\"bindpw\" statement is deprecated; "
 251                                 "use \"acl-passwd\" instead\n",
 252                                 fname, lineno );
 253                         /* FIXME: some day we'll need to throw an error */
 254                 }
 255
 256                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
 257
 258         /* identity assertion stuff... */
 259         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
 260                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 )
 261         {
 262                 /* NOTE: "proxyauthz{DN,pw}" was initially used; it's now
 263                  * deprected and undocumented, it can be dropped at some
 264                  * point, since nobody should be really using it */
 265                 return parse_idassert( be, fname, lineno, argc, argv );
 266
 267         /* save bind creds for referral rebinds? */
 268         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
 269                 if ( argc != 1 ) {
 270                         fprintf( stderr,
 271         "%s: line %d: rebind-as-user takes no arguments\n",
 272                                         fname, lineno );
 273                         return( 1 );
 274                 }
 275                 li->savecred = 1;
 276
 277         /* intercept exop_who_am_i? */
 278         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
 279                 if ( argc != 1 ) {
 280                         fprintf( stderr,
 281         "%s: line %d: proxy-whoami takes no arguments\n",
 282                                         fname, lineno );
 283                         return( 1 );
 284                 }
 285                 load_extop( (struct berval *)&slap_EXOP_WHOAMI,
 286                                 0, ldap_back_exop_whoami );
 287
 288         /* FIXME: legacy: intercept old rewrite/remap directives
 289          * and try to start the rwm overlay */
 290         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
 291                         || strcasecmp( argv[0], "map" ) == 0
 292                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
 293         {
 294                 fprintf( stderr, "%s: line %d: "
 295                         "rewrite/remap capabilities have been moved "
 296                         "to the \"rwm\" overlay; see slapo-rwm(5) "
 297                         "for details.  I'm trying to do my best "
 298                         "to preserve backwards compatibility...\n",
 299                         fname, lineno );
 300
 301                 if ( li->rwm_started == 0 ) {
 302                         if ( overlay_config( be, "rwm" ) ) {
 303                                 fprintf( stderr, "%s: line %d: "
 304                                         "unable to configure the \"rwm\" "
 305                                         "overlay, required by directive "
 306                                         "\"%s\".\n",
 307                                         fname, lineno, argv[0] );
 308 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
 309                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
 310 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
 311                                 return( 1 );
 312                         }
 313
 314                         fprintf( stderr, "%s: line %d: back-ldap: "
 315                                 "automatically starting \"rwm\" overlay, "
 316                                 "triggered by \"%s\" directive.\n",
 317                                 fname, lineno, argv[ 0 ] );
 318
 319                         li->rwm_started = 1;
 320
 321                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
 322                 }
 323
 324                 return SLAP_CONF_UNKNOWN;
 325
 326         /* anything else */
 327         } else {
 328                 return SLAP_CONF_UNKNOWN;
 329         }
 330
 331         return 0;
 332 }
 333
 334 static int
 335 ldap_back_exop_whoami(
 336                 Operation       *op,
 337                 SlapReply       *rs )
 338 {
 339         struct berval *bv = NULL;
 340
 341         if ( op->oq_extended.rs_reqdata != NULL ) {
 342                 /* no request data should be provided */
 343                 rs->sr_text = "no request data expected";
 344                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
 345         }
 346
 347         rs->sr_err = backend_check_restrictions( op, rs,
 348                         (struct berval *)&slap_EXOP_WHOAMI );
 349         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
 350
 351         /* if auth'd by back-ldap and request is proxied, forward it */
 352         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)) {
 353                 struct ldapconn *lc;
 354
 355                 LDAPControl c, *ctrls[2] = {NULL, NULL};
 356                 LDAPMessage *res;
 357                 Operation op2 = *op;
 358                 ber_int_t msgid;
 359                 int do_retry = 1;
 360
 361                 ctrls[0] = &c;
 362                 op2.o_ndn = op->o_conn->c_ndn;
 363                 lc = ldap_back_getconn(&op2, rs);
 364                 if (!lc || !ldap_back_dobind( lc, op, rs )) {
 365                         return -1;
 366                 }
 367                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 368                 c.ldctl_iscritical = 1;
 369                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
 370                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
 371                 strcpy(c.ldctl_value.bv_val, "dn:");
 372                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
 373
 374 retry:
 375                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
 376                 if (rs->sr_err == LDAP_SUCCESS) {
 377                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
 378                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
 379                                         &rs->sr_err);
 380                                 if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
 381                                         do_retry = 0;
 382                                         if ( ldap_back_retry( lc, op, rs ) )
 383                                                 goto retry;
 384                                 }
 385                                 ldap_back_freeconn( op, lc );
 386                                 lc = NULL;
 387
 388                         } else {
 389                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
 390                                 ldap_msgfree(res);
 391                         }
 392                 }
 393                 ch_free(c.ldctl_value.bv_val);
 394                 if (rs->sr_err != LDAP_SUCCESS) {
 395                         rs->sr_err = slap_map_api2result( rs );
 396                 }
 397         } else {
 398         /* else just do the same as before */
 399                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
 400                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
 401                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
 402                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
 403                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
 404                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
 405                                 op->o_dn.bv_len );
 406                         bv->bv_val[bv->bv_len] = '\0';
 407                 } else {
 408                         bv->bv_len = 0;
 409                         bv->bv_val = NULL;
 410                 }
 411         }
 412
 413         rs->sr_rspdata = bv;
 414         return rs->sr_err;
 415 }
 416
 417
 418 static int
 419 parse_idassert(
 420     BackendDB   *be,
 421     const char  *fname,
 422     int         lineno,
 423     int         argc,
 424     char        **argv
 425 )
 426 {
 427         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 428
 429         /* identity assertion mode */
 430         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
 431                 if ( argc < 2 ) {
 432                         Debug( LDAP_DEBUG_ANY,
 433                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
 434                                 fname, lineno, argc );
 435                         return 1;
 436                 }
 437
 438                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
 439                         /* will proxyAuthz as client's identity only if bound */
 440                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 441
 442                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
 443                         /* will proxyAuthz as client's identity */
 444                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
 445
 446                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
 447                         /* will proxyAuthz as anonymous */
 448                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
 449
 450                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
 451                         /* will not proxyAuthz */
 452                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
 453
 454                 } else {
 455                         struct berval   id;
 456                         int             rc;
 457
 458                         /* will proxyAuthz as argv[1] */
 459                         ber_str2bv( argv[1], 0, 0, &id );
 460
 461                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
 462                                 /* force lowercase... */
 463                                 id.bv_val[0] = 'u';
 464                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 465                                 ber_dupbv( &li->idassert_authzID, &id );
 466
 467                         } else {
 468                                 struct berval   dn;
 469
 470                                 /* default is DN? */
 471                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 472                                         id.bv_val += STRLENOF( "dn:" );
 473                                         id.bv_len -= STRLENOF( "dn:" );
 474                                 }
 475
 476                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
 477                                 if ( rc != LDAP_SUCCESS ) {
 478                                         Debug( LDAP_DEBUG_ANY,
 479                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 480                                                 fname, lineno, argv[1] );
 481                                         return 1;
 482                                 }
 483
 484                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
 485                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 486                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 487                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
 488                                 ch_free( dn.bv_val );
 489
 490                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 491                         }
 492                 }
 493
 494                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
 495                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
 496                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 497
 498                         } else {
 499                                 Debug( LDAP_DEBUG_ANY,
 500                                         "%s: line %d: unknown flag \"%s\" "
 501                                         "in \"idassert-mode <args> "
 502                                         "[<flags>]\" line.\n",
 503                                         fname, lineno, argv[0] );
 504                                 return 1;
 505                         }
 506                 }
 507
 508         /* name to use for proxyAuthz propagation */
 509         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
 510                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
 511         {
 512                 struct berval   dn;
 513                 int             rc;
 514
 515                 /* FIXME: "proxyauthzdn" is no longer documented, and
 516                  * temporarily supported for backwards compatibility */
 517
 518                 if ( argc != 2 ) {
 519                         fprintf( stderr,
 520         "%s: line %d: missing name in \"%s <name>\" line\n",
 521                             fname, lineno, argv[0] );
 522                         return( 1 );
 523                 }
 524
 525                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 526                         fprintf( stderr, "%s: line %d: "
 527                                         "authcDN already defined; replacing...\n",
 528                                         fname, lineno );
 529                         ch_free( li->idassert_authcDN.bv_val );
 530                 }
 531
 532                 ber_str2bv( argv[1], 0, 0, &dn );
 533                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 534                 if ( rc != LDAP_SUCCESS ) {
 535                         Debug( LDAP_DEBUG_ANY,
 536                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 537                                 fname, lineno, argv[1] );
 538                         return 1;
 539                 }
 540
 541         /* password to use for proxyAuthz propagation */
 542         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
 543                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
 544         {
 545                 /* FIXME: "proxyauthzpw" is no longer documented, and
 546                  * temporarily supported for backwards compatibility */
 547
 548                 if ( argc != 2 ) {
 549                         fprintf( stderr,
 550         "%s: line %d: missing password in \"%s <password>\" line\n",
 551                             fname, lineno, argv[0] );
 552                         return( 1 );
 553                 }
 554
 555                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 556                         fprintf( stderr, "%s: line %d: "
 557                                         "passwd already defined; replacing...\n",
 558                                         fname, lineno );
 559                         ch_free( li->idassert_passwd.bv_val );
 560                 }
 561
 562                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
 563
 564         /* rules to accept identity assertion... */
 565         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
 566                 struct berval   rule;
 567
 568                 ber_str2bv( argv[1], 0, 1, &rule );
 569
 570                 ber_bvarray_add( &li->idassert_authz, &rule );
 571
 572         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
 573                 if ( argc < 2 ) {
 574                         fprintf( stderr,
 575         "%s: line %d: missing method in \"%s <method>\" line\n",
 576                             fname, lineno, argv[0] );
 577                         return( 1 );
 578                 }
 579
 580                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 581                         /* FIXME: is this at all useful? */
 582                         li->idassert_authmethod = LDAP_AUTH_NONE;
 583
 584                         if ( argc != 2 ) {
 585                                 fprintf( stderr,
 586         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 587                                         fname, lineno, argv[0], argv[1] );
 588                         }
 589
 590                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 591                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 592
 593                         if ( argc != 2 ) {
 594                                 fprintf( stderr,
 595         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 596                                         fname, lineno, argv[0], argv[1] );
 597                         }
 598
 599                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 600 #ifdef HAVE_CYRUS_SASL
 601                         int     arg;
 602
 603                         for ( arg = 2; arg < argc; arg++ ) {
 604                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 605                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 606
 607                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 608                                                 fprintf( stderr, "%s: line %d: "
 609                                                                 "SASL mech already defined; replacing...\n",
 610                                                                 fname, lineno );
 611                                                 ch_free( li->idassert_sasl_mech.bv_val );
 612                                         }
 613                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
 614
 615                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 616                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 617
 618                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 619                                                 fprintf( stderr, "%s: line %d: "
 620                                                                 "SASL realm already defined; replacing...\n",
 621                                                                 fname, lineno );
 622                                                 ch_free( li->idassert_sasl_realm.bv_val );
 623                                         }
 624                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
 625
 626                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 627                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 628                                         struct berval   dn;
 629                                         int             rc;
 630
 631                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 632                                                 fprintf( stderr, "%s: line %d: "
 633                                                                 "SASL authcDN already defined; replacing...\n",
 634                                                                 fname, lineno );
 635                                                 ch_free( li->idassert_authcDN.bv_val );
 636                                         }
 637                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 638                                                 val += STRLENOF( "dn:" );
 639                                         }
 640
 641                                         ber_str2bv( val, 0, 0, &dn );
 642                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 643                                         if ( rc != LDAP_SUCCESS ) {
 644                                                 Debug( LDAP_DEBUG_ANY,
 645                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 646                                                         fname, lineno, val );
 647                                                 return 1;
 648                                         }
 649
 650                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 651                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 652
 653                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 654                                                 fprintf( stderr, "%s: line %d: "
 655                                                                 "SASL authcID already defined; replacing...\n",
 656                                                                 fname, lineno );
 657                                                 ch_free( li->idassert_authcID.bv_val );
 658                                         }
 659                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 660                                                 val += STRLENOF( "u:" );
 661                                         }
 662                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
 663
 664                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 665                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 666
 667                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 668                                                 fprintf( stderr, "%s: line %d: "
 669                                                                 "SASL cred already defined; replacing...\n",
 670                                                                 fname, lineno );
 671                                                 ch_free( li->idassert_passwd.bv_val );
 672                                         }
 673                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
 674
 675                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 676                                         char    *val = argv[arg] + STRLENOF( "authz=" );
 677
 678                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
 679                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 680
 681                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
 682                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 683
 684                                         } else {
 685                                                 fprintf( stderr, "%s: line %s: "
 686                                                         "unknown authz mode \"%s\"\n",
 687                                                         fname, lineno, val );
 688                                                 return 1;
 689                                         }
 690
 691                                 } else {
 692                                         fprintf( stderr, "%s: line %d: "
 693                                                         "unknown SASL parameter %s\n",
 694                                                         fname, lineno, argv[arg] );
 695                                         return 1;
 696                                 }
 697                         }
 698
 699                         li->idassert_authmethod = LDAP_AUTH_SASL;
 700
 701 #else /* !HAVE_CYRUS_SASL */
 702                         fprintf( stderr, "%s: line %d: "
 703                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 704                                         fname, lineno );
 705                         return 1;
 706 #endif /* !HAVE_CYRUS_SASL */
 707
 708                 } else {
 709                         fprintf( stderr, "%s: line %d: "
 710                                         "unhandled idassert-method method %s\n",
 711                                         fname, lineno, argv[1] );
 712                         return 1;
 713                 }
 714
 715         } else {
 716                 return SLAP_CONF_UNKNOWN;
 717         }
 718
 719         return 0;
 720 }