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