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         /* start tls */
 217         } else if ( strcasecmp( argv[0], "start-tls" ) == 0 ) {
 218                 if ( argc != 1 ) {
 219                         fprintf( stderr,
 220         "%s: line %d: start-tls takes no arguments\n",
 221                                         fname, lineno );
 222                         return( 1 );
 223                 }
 224                 li->flags |= LDAP_BACK_F_TLS_CRITICAL;
 225
 226         /* try start tls */
 227         } else if ( strcasecmp( argv[0], "try-start-tls" ) == 0 ) {
 228                 if ( argc != 1 ) {
 229                         fprintf( stderr,
 230         "%s: line %d: try-start-tls takes no arguments\n",
 231                                         fname, lineno );
 232                         return( 1 );
 233                 }
 234                 li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
 235                 li->flags |= LDAP_BACK_F_USE_TLS;
 236
 237         /* name to use for ldap_back_group */
 238         } else if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
 239                         || strcasecmp( argv[0], "binddn" ) == 0 )
 240         {
 241                 if ( argc != 2 ) {
 242                         fprintf( stderr,
 243         "%s: line %d: missing name in \"%s <name>\" line\n",
 244                                         fname, lineno, argv[0] );
 245                         return( 1 );
 246                 }
 247
 248                 if ( strcasecmp( argv[0], "binddn" ) == 0 ) {
 249                         fprintf( stderr, "%s: line %d: "
 250                                 "\"binddn\" statement is deprecated; "
 251                                 "use \"acl-authcDN\" 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_authcDN );
 257
 258         /* password to use for ldap_back_group */
 259         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
 260                         || strcasecmp( argv[0], "bindpw" ) == 0 )
 261         {
 262                 if ( argc != 2 ) {
 263                         fprintf( stderr,
 264         "%s: line %d: missing password in \"%s <password>\" line\n",
 265                                         fname, lineno, argv[0] );
 266                         return( 1 );
 267                 }
 268
 269                 if ( strcasecmp( argv[0], "bindpw" ) == 0 ) {
 270                         fprintf( stderr, "%s: line %d: "
 271                                 "\"bindpw\" statement is deprecated; "
 272                                 "use \"acl-passwd\" instead\n",
 273                                 fname, lineno );
 274                         /* FIXME: some day we'll need to throw an error */
 275                 }
 276
 277                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
 278
 279         /* identity assertion stuff... */
 280         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
 281                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 )
 282         {
 283                 /* NOTE: "proxyauthz{DN,pw}" was initially used; it's now
 284                  * deprected and undocumented, it can be dropped at some
 285                  * point, since nobody should be really using it */
 286                 return parse_idassert( be, fname, lineno, argc, argv );
 287
 288         /* save bind creds for referral rebinds? */
 289         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
 290                 if ( argc != 1 ) {
 291                         fprintf( stderr,
 292         "%s: line %d: \"rebind-as-user\" takes no arguments\n",
 293                                         fname, lineno );
 294                         return( 1 );
 295                 }
 296                 li->flags |= LDAP_BACK_F_SAVECRED;
 297
 298         } else if ( strcasecmp( argv[0], "chase-referrals" ) == 0 ) {
 299                 if ( argc != 1 ) {
 300                         fprintf( stderr,
 301         "%s: line %d: \"chase-referrals\" takes no arguments\n",
 302                                         fname, lineno );
 303                         return( 1 );
 304                 }
 305
 306                 li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
 307
 308         } else if ( strcasecmp( argv[0], "dont-chase-referrals" ) == 0 ) {
 309                 if ( argc != 1 ) {
 310                         fprintf( stderr,
 311         "%s: line %d: \"dont-chase-referrals\" takes no arguments\n",
 312                                         fname, lineno );
 313                         return( 1 );
 314                 }
 315
 316                 li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
 317
 318         /* intercept exop_who_am_i? */
 319         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
 320                 if ( argc != 1 ) {
 321                         fprintf( stderr,
 322         "%s: line %d: proxy-whoami takes no arguments\n",
 323                                         fname, lineno );
 324                         return( 1 );
 325                 }
 326                 load_extop( (struct berval *)&slap_EXOP_WHOAMI,
 327                                 0, ldap_back_exop_whoami );
 328
 329         /* FIXME: legacy: intercept old rewrite/remap directives
 330          * and try to start the rwm overlay */
 331         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
 332                         || strcasecmp( argv[0], "map" ) == 0
 333                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
 334         {
 335                 fprintf( stderr, "%s: line %d: "
 336                         "rewrite/remap capabilities have been moved "
 337                         "to the \"rwm\" overlay; see slapo-rwm(5) "
 338                         "for details.  I'm trying to do my best "
 339                         "to preserve backwards compatibility...\n",
 340                         fname, lineno );
 341
 342                 if ( li->rwm_started == 0 ) {
 343                         if ( overlay_config( be, "rwm" ) ) {
 344                                 fprintf( stderr, "%s: line %d: "
 345                                         "unable to configure the \"rwm\" "
 346                                         "overlay, required by directive "
 347                                         "\"%s\".\n",
 348                                         fname, lineno, argv[0] );
 349 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
 350                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
 351 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
 352                                 return( 1 );
 353                         }
 354
 355                         fprintf( stderr, "%s: line %d: back-ldap: "
 356                                 "automatically starting \"rwm\" overlay, "
 357                                 "triggered by \"%s\" directive.\n",
 358                                 fname, lineno, argv[ 0 ] );
 359
 360                         li->rwm_started = 1;
 361
 362                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
 363                 }
 364
 365                 return SLAP_CONF_UNKNOWN;
 366
 367         /* anything else */
 368         } else {
 369                 return SLAP_CONF_UNKNOWN;
 370         }
 371
 372         return 0;
 373 }
 374
 375 static int
 376 ldap_back_exop_whoami(
 377                 Operation       *op,
 378                 SlapReply       *rs )
 379 {
 380         struct berval *bv = NULL;
 381
 382         if ( op->oq_extended.rs_reqdata != NULL ) {
 383                 /* no request data should be provided */
 384                 rs->sr_text = "no request data expected";
 385                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
 386         }
 387
 388         rs->sr_err = backend_check_restrictions( op, rs,
 389                         (struct berval *)&slap_EXOP_WHOAMI );
 390         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
 391
 392         /* if auth'd by back-ldap and request is proxied, forward it */
 393         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)) {
 394                 struct ldapconn *lc;
 395
 396                 LDAPControl c, *ctrls[2] = {NULL, NULL};
 397                 LDAPMessage *res;
 398                 Operation op2 = *op;
 399                 ber_int_t msgid;
 400                 int do_retry = 1;
 401
 402                 ctrls[0] = &c;
 403                 op2.o_ndn = op->o_conn->c_ndn;
 404                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
 405                 if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) {
 406                         return -1;
 407                 }
 408                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 409                 c.ldctl_iscritical = 1;
 410                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
 411                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
 412                 strcpy(c.ldctl_value.bv_val, "dn:");
 413                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
 414
 415 retry:
 416                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
 417                 if (rs->sr_err == LDAP_SUCCESS) {
 418                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
 419                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
 420                                         &rs->sr_err);
 421                                 if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
 422                                         do_retry = 0;
 423                                         if ( ldap_back_retry( lc, op, rs, LDAP_BACK_SENDERR ) )
 424                                                 goto retry;
 425                                 }
 426                                 ldap_back_freeconn( op, lc );
 427                                 lc = NULL;
 428
 429                         } else {
 430                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
 431                                 ldap_msgfree(res);
 432                         }
 433                 }
 434                 ch_free(c.ldctl_value.bv_val);
 435                 if (rs->sr_err != LDAP_SUCCESS) {
 436                         rs->sr_err = slap_map_api2result( rs );
 437                 }
 438         } else {
 439         /* else just do the same as before */
 440                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
 441                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
 442                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
 443                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
 444                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
 445                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
 446                                 op->o_dn.bv_len );
 447                         bv->bv_val[bv->bv_len] = '\0';
 448                 } else {
 449                         bv->bv_len = 0;
 450                         bv->bv_val = NULL;
 451                 }
 452         }
 453
 454         rs->sr_rspdata = bv;
 455         return rs->sr_err;
 456 }
 457
 458
 459 static int
 460 parse_idassert(
 461     BackendDB   *be,
 462     const char  *fname,
 463     int         lineno,
 464     int         argc,
 465     char        **argv
 466 )
 467 {
 468         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 469
 470         /* identity assertion mode */
 471         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
 472                 if ( argc < 2 ) {
 473                         Debug( LDAP_DEBUG_ANY,
 474                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
 475                                 fname, lineno, argc );
 476                         return 1;
 477                 }
 478
 479                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
 480                         /* will proxyAuthz as client's identity only if bound */
 481                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 482
 483                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
 484                         /* will proxyAuthz as client's identity */
 485                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
 486
 487                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
 488                         /* will proxyAuthz as anonymous */
 489                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
 490
 491                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
 492                         /* will not proxyAuthz */
 493                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
 494
 495                 } else {
 496                         struct berval   id;
 497                         int             rc;
 498
 499                         /* will proxyAuthz as argv[1] */
 500                         ber_str2bv( argv[1], 0, 0, &id );
 501
 502                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
 503                                 /* force lowercase... */
 504                                 id.bv_val[0] = 'u';
 505                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 506                                 ber_dupbv( &li->idassert_authzID, &id );
 507
 508                         } else {
 509                                 struct berval   dn;
 510
 511                                 /* default is DN? */
 512                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 513                                         id.bv_val += STRLENOF( "dn:" );
 514                                         id.bv_len -= STRLENOF( "dn:" );
 515                                 }
 516
 517                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
 518                                 if ( rc != LDAP_SUCCESS ) {
 519                                         Debug( LDAP_DEBUG_ANY,
 520                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 521                                                 fname, lineno, argv[1] );
 522                                         return 1;
 523                                 }
 524
 525                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
 526                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 527                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 528                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
 529                                 ch_free( dn.bv_val );
 530
 531                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 532                         }
 533                 }
 534
 535                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
 536                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
 537                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 538
 539                         } else {
 540                                 Debug( LDAP_DEBUG_ANY,
 541                                         "%s: line %d: unknown flag \"%s\" "
 542                                         "in \"idassert-mode <args> "
 543                                         "[<flags>]\" line.\n",
 544                                         fname, lineno, argv[0] );
 545                                 return 1;
 546                         }
 547                 }
 548
 549         /* name to use for proxyAuthz propagation */
 550         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
 551                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
 552         {
 553                 struct berval   dn;
 554                 int             rc;
 555
 556                 /* FIXME: "proxyauthzdn" is no longer documented, and
 557                  * temporarily supported for backwards compatibility */
 558
 559                 if ( argc != 2 ) {
 560                         fprintf( stderr,
 561         "%s: line %d: missing name in \"%s <name>\" line\n",
 562                             fname, lineno, argv[0] );
 563                         return( 1 );
 564                 }
 565
 566                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 567                         fprintf( stderr, "%s: line %d: "
 568                                         "authcDN already defined; replacing...\n",
 569                                         fname, lineno );
 570                         ch_free( li->idassert_authcDN.bv_val );
 571                 }
 572
 573                 ber_str2bv( argv[1], 0, 0, &dn );
 574                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 575                 if ( rc != LDAP_SUCCESS ) {
 576                         Debug( LDAP_DEBUG_ANY,
 577                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 578                                 fname, lineno, argv[1] );
 579                         return 1;
 580                 }
 581
 582         /* password to use for proxyAuthz propagation */
 583         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
 584                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
 585         {
 586                 /* FIXME: "proxyauthzpw" is no longer documented, and
 587                  * temporarily supported for backwards compatibility */
 588
 589                 if ( argc != 2 ) {
 590                         fprintf( stderr,
 591         "%s: line %d: missing password in \"%s <password>\" line\n",
 592                             fname, lineno, argv[0] );
 593                         return( 1 );
 594                 }
 595
 596                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 597                         fprintf( stderr, "%s: line %d: "
 598                                         "passwd already defined; replacing...\n",
 599                                         fname, lineno );
 600                         ch_free( li->idassert_passwd.bv_val );
 601                 }
 602
 603                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
 604
 605         /* rules to accept identity assertion... */
 606         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
 607                 struct berval   rule;
 608
 609                 ber_str2bv( argv[1], 0, 1, &rule );
 610
 611                 ber_bvarray_add( &li->idassert_authz, &rule );
 612
 613         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
 614                 if ( argc < 2 ) {
 615                         fprintf( stderr,
 616         "%s: line %d: missing method in \"%s <method>\" line\n",
 617                             fname, lineno, argv[0] );
 618                         return( 1 );
 619                 }
 620
 621                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 622                         /* FIXME: is this at all useful? */
 623                         li->idassert_authmethod = LDAP_AUTH_NONE;
 624
 625                         if ( argc != 2 ) {
 626                                 fprintf( stderr,
 627         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 628                                         fname, lineno, argv[0], argv[1] );
 629                         }
 630
 631                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 632                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 633
 634                         if ( argc != 2 ) {
 635                                 fprintf( stderr,
 636         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 637                                         fname, lineno, argv[0], argv[1] );
 638                         }
 639
 640                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 641 #ifdef HAVE_CYRUS_SASL
 642                         int     arg;
 643
 644                         for ( arg = 2; arg < argc; arg++ ) {
 645                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 646                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 647
 648                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 649                                                 fprintf( stderr, "%s: line %d: "
 650                                                                 "SASL mech already defined; replacing...\n",
 651                                                                 fname, lineno );
 652                                                 ch_free( li->idassert_sasl_mech.bv_val );
 653                                         }
 654                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
 655
 656                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 657                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 658
 659                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 660                                                 fprintf( stderr, "%s: line %d: "
 661                                                                 "SASL realm already defined; replacing...\n",
 662                                                                 fname, lineno );
 663                                                 ch_free( li->idassert_sasl_realm.bv_val );
 664                                         }
 665                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
 666
 667                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 668                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 669                                         struct berval   dn;
 670                                         int             rc;
 671
 672                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 673                                                 fprintf( stderr, "%s: line %d: "
 674                                                                 "SASL authcDN already defined; replacing...\n",
 675                                                                 fname, lineno );
 676                                                 ch_free( li->idassert_authcDN.bv_val );
 677                                         }
 678                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 679                                                 val += STRLENOF( "dn:" );
 680                                         }
 681
 682                                         ber_str2bv( val, 0, 0, &dn );
 683                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 684                                         if ( rc != LDAP_SUCCESS ) {
 685                                                 Debug( LDAP_DEBUG_ANY,
 686                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 687                                                         fname, lineno, val );
 688                                                 return 1;
 689                                         }
 690
 691                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 692                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 693
 694                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 695                                                 fprintf( stderr, "%s: line %d: "
 696                                                                 "SASL authcID already defined; replacing...\n",
 697                                                                 fname, lineno );
 698                                                 ch_free( li->idassert_authcID.bv_val );
 699                                         }
 700                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 701                                                 val += STRLENOF( "u:" );
 702                                         }
 703                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
 704
 705                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 706                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 707
 708                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 709                                                 fprintf( stderr, "%s: line %d: "
 710                                                                 "SASL cred already defined; replacing...\n",
 711                                                                 fname, lineno );
 712                                                 ch_free( li->idassert_passwd.bv_val );
 713                                         }
 714                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
 715
 716                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 717                                         char    *val = argv[arg] + STRLENOF( "authz=" );
 718
 719                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
 720                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 721
 722                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
 723                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 724
 725                                         } else {
 726                                                 fprintf( stderr, "%s: line %s: "
 727                                                         "unknown authz mode \"%s\"\n",
 728                                                         fname, lineno, val );
 729                                                 return 1;
 730                                         }
 731
 732                                 } else {
 733                                         fprintf( stderr, "%s: line %d: "
 734                                                         "unknown SASL parameter %s\n",
 735                                                         fname, lineno, argv[arg] );
 736                                         return 1;
 737                                 }
 738                         }
 739
 740                         li->idassert_authmethod = LDAP_AUTH_SASL;
 741
 742 #else /* !HAVE_CYRUS_SASL */
 743                         fprintf( stderr, "%s: line %d: "
 744                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 745                                         fname, lineno );
 746                         return 1;
 747 #endif /* !HAVE_CYRUS_SASL */
 748
 749                 } else {
 750                         fprintf( stderr, "%s: line %d: "
 751                                         "unhandled idassert-method method %s\n",
 752                                         fname, lineno, argv[1] );
 753                         return 1;
 754                 }
 755
 756         } else {
 757                 return SLAP_CONF_UNKNOWN;
 758         }
 759
 760         return 0;
 761 }