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 static int
  45 parse_acl_auth( BackendDB *be, const char *fname, int lineno,
  46                 int argc, char **argv );
  47
  48 int
  49 ldap_back_db_config(
  50                 BackendDB       *be,
  51                 const char      *fname,
  52                 int             lineno,
  53                 int             argc,
  54                 char            **argv )
  55 {
  56         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
  57
  58         if ( li == NULL ) {
  59                 fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
  60                                 fname, lineno );
  61                 return 1;
  62         }
  63
  64         /* server address to query (depricated, use "uri" directive) */
  65         if ( strcasecmp( argv[0], "server" ) == 0 ) {
  66                 ber_len_t       l;
  67
  68                 fprintf( stderr,
  69         "%s: line %d: \"server <address>\" directive is deprecated\n",
  70                                         fname, lineno );
  71
  72                 if ( argc != 2 ) {
  73                         fprintf( stderr,
  74         "%s: line %d: missing address in \"server <address>\" line\n",
  75                                         fname, lineno );
  76                         return 1;
  77                 }
  78                 if ( li->url != NULL ) {
  79                         ch_free( li->url );
  80                 }
  81
  82                 l = strlen( argv[1] ) + STRLENOF( "ldap:///") + 1;
  83                 li->url = ch_calloc( l, sizeof( char ) );
  84                 if ( li->url == NULL ) {
  85                         fprintf( stderr, "%s: line %d: malloc failed\n" );
  86                         return 1;
  87                 }
  88
  89                 snprintf( li->url, l, "ldap://%s/", argv[1] );
  90
  91         /* URI of server to query (preferred over "server" directive) */
  92         } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
  93                 LDAPURLDesc     *tmpludp;
  94                 int             urlrc, i;
  95
  96                 if ( argc != 2 ) {
  97                         fprintf( stderr, "%s: line %d: "
  98                                         "missing uri "
  99                                         "in \"uri <uri>\" line\n",
 100                                         fname, lineno );
 101                         return 1;
 102                 }
 103                 if ( li->url != NULL ) {
 104                         ch_free( li->url );
 105                 }
 106                 if ( li->lud != NULL ) {
 107                         ldap_free_urllist( li->lud );
 108                 }
 109
 110 #if 0
 111                 /* PARANOID: DN and more are not required nor allowed */
 112                 urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" );
 113 #else
 114                 urlrc =  ldap_url_parselist( &li->lud, argv[ 1 ] );
 115 #endif
 116                 if ( urlrc != LDAP_URL_SUCCESS ) {
 117                         char    *why;
 118
 119                         switch ( urlrc ) {
 120                         case LDAP_URL_ERR_MEM:
 121                                 why = "no memory";
 122                                 break;
 123                         case LDAP_URL_ERR_PARAM:
 124                                 why = "parameter is bad";
 125                                 break;
 126                         case LDAP_URL_ERR_BADSCHEME:
 127                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 128                                 break;
 129                         case LDAP_URL_ERR_BADENCLOSURE:
 130                                 why = "URL is missing trailing \">\"";
 131                                 break;
 132                         case LDAP_URL_ERR_BADURL:
 133                                 why = "URL is bad";
 134                         case LDAP_URL_ERR_BADHOST:
 135                                 why = "host/port is bad";
 136                                 break;
 137                         case LDAP_URL_ERR_BADATTRS:
 138                                 why = "bad (or missing) attributes";
 139                                 break;
 140                         case LDAP_URL_ERR_BADSCOPE:
 141                                 why = "scope string is invalid (or missing)";
 142                                 break;
 143                         case LDAP_URL_ERR_BADFILTER:
 144                                 why = "bad or missing filter";
 145                                 break;
 146                         case LDAP_URL_ERR_BADEXTS:
 147                                 why = "bad or missing extensions";
 148                                 break;
 149                         default:
 150                                 why = "unknown reason";
 151                                 break;
 152                         }
 153                         fprintf( stderr, "%s: line %d: "
 154                                         "unable to parse uri \"%s\" "
 155                                         "in \"uri <uri>\" line: %s\n",
 156                                         fname, lineno, argv[ 1 ], why );
 157                         return 1;
 158                 }
 159
 160                 for ( i = 0, tmpludp = li->lud;
 161                                 tmpludp;
 162                                 i++, tmpludp = tmpludp->lud_next )
 163                 {
 164                         if ( ( tmpludp->lud_dn != NULL
 165                                                 && tmpludp->lud_dn[0] != '\0' )
 166                                         || tmpludp->lud_attrs != NULL
 167                                         || tmpludp->lud_filter != NULL
 168                                         || tmpludp->lud_exts != NULL )
 169                         {
 170                                 fprintf( stderr, "%s: line %d: "
 171                                                 "warning, only protocol, "
 172                                                 "host and port allowed "
 173                                                 "in \"uri <uri>\" statement "
 174                                                 "for uri #%d of \"%s\"\n",
 175                                                 fname, lineno, i, argv[1] );
 176                         }
 177                 }
 178
 179 #if 0
 180                 for ( tmpludp = li->lud; tmpludp; tmpludp = tmpludp->lud_next ) {
 181                         LDAPURLDesc     tmplud;
 182                         char            *tmpurl;
 183                         ber_len_t       oldlen = 0, len;
 184
 185                         tmplud = *tmpludp;
 186                         tmplud.lud_dn = "";
 187                         tmplud.lud_attrs = NULL;
 188                         tmplud.lud_filter = NULL;
 189                         if ( !ldap_is_ldapi_url( argv[ 1 ] ) ) {
 190                                 tmplud.lud_exts = NULL;
 191                                 tmplud.lud_crit_exts = 0;
 192                         }
 193
 194                         tmpurl = ldap_url_desc2str( &tmplud );
 195
 196                         if ( tmpurl == NULL ) {
 197                                 fprintf( stderr, "%s: line %d: "
 198                                         "unable to rebuild uri "
 199                                         "in \"uri <uri>\" statement "
 200                                         "for \"%s\"\n",
 201                                         fname, lineno, argv[ 1 ] );
 202                                 return 1;
 203                         }
 204
 205                         len = strlen( tmpurl );
 206                         if ( li->url ) {
 207                                 oldlen = strlen( li->url ) + STRLENOF( " " );
 208                         }
 209                         li->url = ch_realloc( li->url, oldlen + len + 1);
 210                         if ( oldlen ) {
 211                                 li->url[oldlen - 1] = " ";
 212                         }
 213                         AC_MEMCPY( &li->url[oldlen], tmpurl, len + 1 );
 214                         ch_free( tmpurl );
 215                 }
 216 #else
 217                 li->url = ch_strdup( argv[ 1 ] );
 218 #endif
 219
 220         } else if ( strncasecmp( argv[0], "tls-", STRLENOF( "tls-" ) ) == 0 ) {
 221
 222                 /* start tls */
 223                 if ( strcasecmp( argv[0], "tls-start" ) == 0 ) {
 224                         if ( argc != 1 ) {
 225                                 fprintf( stderr,
 226                 "%s: line %d: tls-start takes no arguments\n",
 227                                                 fname, lineno );
 228                                 return( 1 );
 229                         }
 230                         li->flags |= ( LDAP_BACK_F_USE_TLS | LDAP_BACK_F_TLS_CRITICAL );
 231
 232                 /* try start tls */
 233                 } else if ( strcasecmp( argv[0], "tls-try-start" ) == 0 ) {
 234                         if ( argc != 1 ) {
 235                                 fprintf( stderr,
 236                 "%s: line %d: tls-try-start takes no arguments\n",
 237                                                 fname, lineno );
 238                                 return( 1 );
 239                         }
 240                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
 241                         li->flags |= LDAP_BACK_F_USE_TLS;
 242
 243                 /* propagate start tls */
 244                 } else if ( strcasecmp( argv[0], "tls-propagate" ) == 0 ) {
 245                         if ( argc != 1 ) {
 246                                 fprintf( stderr,
 247                 "%s: line %d: tls-propagate takes no arguments\n",
 248                                                 fname, lineno );
 249                                 return( 1 );
 250                         }
 251                         li->flags |= ( LDAP_BACK_F_PROPAGATE_TLS | LDAP_BACK_F_TLS_CRITICAL );
 252
 253                 /* try start tls */
 254                 } else if ( strcasecmp( argv[0], "tls-try-propagate" ) == 0 ) {
 255                         if ( argc != 1 ) {
 256                                 fprintf( stderr,
 257                 "%s: line %d: tls-try-propagate takes no arguments\n",
 258                                                 fname, lineno );
 259                                 return( 1 );
 260                         }
 261                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
 262                         li->flags |= LDAP_BACK_F_PROPAGATE_TLS;
 263                 }
 264
 265         /* remote ACL stuff... */
 266         } else if ( strncasecmp( argv[0], "acl-", STRLENOF( "acl-" ) ) == 0
 267                         || strncasecmp( argv[0], "bind", STRLENOF( "bind" ) ) == 0 )
 268         {
 269                 /* NOTE: "bind{DN,pw}" was initially used; it's now
 270                  * deprected and undocumented, it can be dropped at some
 271                  * point, since nobody should be really using it */
 272                 return parse_acl_auth( be, fname, lineno, argc, argv );
 273
 274         /* identity assertion stuff... */
 275         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
 276                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 )
 277         {
 278                 /* NOTE: "proxyauthz{DN,pw}" was initially used; it's now
 279                  * deprected and undocumented, it can be dropped at some
 280                  * point, since nobody should be really using it */
 281                 return parse_idassert( be, fname, lineno, argc, argv );
 282
 283         /* save bind creds for referral rebinds? */
 284         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
 285                 if ( argc != 1 ) {
 286                         fprintf( stderr,
 287         "%s: line %d: \"rebind-as-user\" takes no arguments\n",
 288                                         fname, lineno );
 289                         return( 1 );
 290                 }
 291                 li->flags |= LDAP_BACK_F_SAVECRED;
 292
 293         } else if ( strcasecmp( argv[0], "chase-referrals" ) == 0 ) {
 294                 if ( argc != 1 ) {
 295                         fprintf( stderr,
 296         "%s: line %d: \"chase-referrals\" takes no arguments\n",
 297                                         fname, lineno );
 298                         return( 1 );
 299                 }
 300
 301                 li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
 302
 303         } else if ( strcasecmp( argv[0], "dont-chase-referrals" ) == 0 ) {
 304                 if ( argc != 1 ) {
 305                         fprintf( stderr,
 306         "%s: line %d: \"dont-chase-referrals\" takes no arguments\n",
 307                                         fname, lineno );
 308                         return( 1 );
 309                 }
 310
 311                 li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
 312
 313         /* intercept exop_who_am_i? */
 314         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
 315                 if ( argc != 1 ) {
 316                         fprintf( stderr,
 317         "%s: line %d: proxy-whoami takes no arguments\n",
 318                                         fname, lineno );
 319                         return( 1 );
 320                 }
 321                 load_extop( (struct berval *)&slap_EXOP_WHOAMI,
 322                                 0, ldap_back_exop_whoami );
 323
 324         /* FIXME: legacy: intercept old rewrite/remap directives
 325          * and try to start the rwm overlay */
 326         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
 327                         || strcasecmp( argv[0], "map" ) == 0
 328                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
 329         {
 330                 fprintf( stderr, "%s: line %d: "
 331                         "rewrite/remap capabilities have been moved "
 332                         "to the \"rwm\" overlay; see slapo-rwm(5) "
 333                         "for details.  I'm trying to do my best "
 334                         "to preserve backwards compatibility...\n",
 335                         fname, lineno );
 336
 337                 if ( li->rwm_started == 0 ) {
 338                         if ( overlay_config( be, "rwm" ) ) {
 339                                 fprintf( stderr, "%s: line %d: "
 340                                         "unable to configure the \"rwm\" "
 341                                         "overlay, required by directive "
 342                                         "\"%s\".\n",
 343                                         fname, lineno, argv[0] );
 344 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
 345                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
 346 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
 347                                 return( 1 );
 348                         }
 349
 350                         fprintf( stderr, "%s: line %d: back-ldap: "
 351                                 "automatically starting \"rwm\" overlay, "
 352                                 "triggered by \"%s\" directive.\n",
 353                                 fname, lineno, argv[ 0 ] );
 354
 355                         li->rwm_started = 1;
 356
 357                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
 358                 }
 359
 360                 return SLAP_CONF_UNKNOWN;
 361
 362         /* anything else */
 363         } else {
 364                 return SLAP_CONF_UNKNOWN;
 365         }
 366
 367         return 0;
 368 }
 369
 370 static int
 371 ldap_back_exop_whoami(
 372                 Operation       *op,
 373                 SlapReply       *rs )
 374 {
 375         struct berval *bv = NULL;
 376
 377         if ( op->oq_extended.rs_reqdata != NULL ) {
 378                 /* no request data should be provided */
 379                 rs->sr_text = "no request data expected";
 380                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
 381         }
 382
 383         rs->sr_err = backend_check_restrictions( op, rs,
 384                         (struct berval *)&slap_EXOP_WHOAMI );
 385         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
 386
 387         /* if auth'd by back-ldap and request is proxied, forward it */
 388         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)) {
 389                 struct ldapconn *lc;
 390
 391                 LDAPControl c, *ctrls[2] = {NULL, NULL};
 392                 LDAPMessage *res;
 393                 Operation op2 = *op;
 394                 ber_int_t msgid;
 395                 int do_retry = 1;
 396
 397                 ctrls[0] = &c;
 398                 op2.o_ndn = op->o_conn->c_ndn;
 399                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
 400                 if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) {
 401                         return -1;
 402                 }
 403                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
 404                 c.ldctl_iscritical = 1;
 405                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
 406                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
 407                 strcpy(c.ldctl_value.bv_val, "dn:");
 408                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
 409
 410 retry:
 411                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
 412                 if (rs->sr_err == LDAP_SUCCESS) {
 413                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
 414                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
 415                                         &rs->sr_err);
 416                                 if ( rs->sr_err == LDAP_SERVER_DOWN && do_retry ) {
 417                                         do_retry = 0;
 418                                         if ( ldap_back_retry( lc, op, rs, LDAP_BACK_SENDERR ) )
 419                                                 goto retry;
 420                                 }
 421                                 ldap_back_freeconn( op, lc );
 422                                 lc = NULL;
 423
 424                         } else {
 425                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
 426                                 ldap_msgfree(res);
 427                         }
 428                 }
 429                 ch_free(c.ldctl_value.bv_val);
 430                 if (rs->sr_err != LDAP_SUCCESS) {
 431                         rs->sr_err = slap_map_api2result( rs );
 432                 }
 433         } else {
 434         /* else just do the same as before */
 435                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
 436                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
 437                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
 438                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
 439                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
 440                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
 441                                 op->o_dn.bv_len );
 442                         bv->bv_val[bv->bv_len] = '\0';
 443                 } else {
 444                         bv->bv_len = 0;
 445                         bv->bv_val = NULL;
 446                 }
 447         }
 448
 449         rs->sr_rspdata = bv;
 450         return rs->sr_err;
 451 }
 452
 453
 454 static int
 455 parse_idassert(
 456     BackendDB   *be,
 457     const char  *fname,
 458     int         lineno,
 459     int         argc,
 460     char        **argv
 461 )
 462 {
 463         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 464
 465         /* identity assertion mode */
 466         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
 467                 if ( argc < 2 ) {
 468                         Debug( LDAP_DEBUG_ANY,
 469                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
 470                                 fname, lineno, argc );
 471                         return 1;
 472                 }
 473
 474                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
 475                         /* will proxyAuthz as client's identity only if bound */
 476                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 477
 478                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
 479                         /* will proxyAuthz as client's identity */
 480                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
 481
 482                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
 483                         /* will proxyAuthz as anonymous */
 484                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
 485
 486                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
 487                         /* will not proxyAuthz */
 488                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
 489
 490                 } else {
 491                         struct berval   id;
 492                         int             rc;
 493
 494                         /* will proxyAuthz as argv[1] */
 495                         ber_str2bv( argv[1], 0, 0, &id );
 496
 497                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
 498                                 /* force lowercase... */
 499                                 id.bv_val[0] = 'u';
 500                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 501                                 ber_dupbv( &li->idassert_authzID, &id );
 502
 503                         } else {
 504                                 struct berval   dn;
 505
 506                                 /* default is DN? */
 507                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 508                                         id.bv_val += STRLENOF( "dn:" );
 509                                         id.bv_len -= STRLENOF( "dn:" );
 510                                 }
 511
 512                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
 513                                 if ( rc != LDAP_SUCCESS ) {
 514                                         Debug( LDAP_DEBUG_ANY,
 515                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 516                                                 fname, lineno, argv[1] );
 517                                         return 1;
 518                                 }
 519
 520                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
 521                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 522                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 523                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
 524                                 ch_free( dn.bv_val );
 525
 526                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 527                         }
 528                 }
 529
 530                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
 531                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
 532                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 533
 534                         } else {
 535                                 Debug( LDAP_DEBUG_ANY,
 536                                         "%s: line %d: unknown flag \"%s\" "
 537                                         "in \"idassert-mode <args> "
 538                                         "[<flags>]\" line.\n",
 539                                         fname, lineno, argv[0] );
 540                                 return 1;
 541                         }
 542                 }
 543
 544         /* name to use for proxyAuthz propagation */
 545         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
 546                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
 547         {
 548                 struct berval   dn;
 549                 int             rc;
 550
 551                 /* FIXME: "proxyauthzdn" is no longer documented, and
 552                  * temporarily supported for backwards compatibility */
 553
 554                 if ( argc != 2 ) {
 555                         fprintf( stderr,
 556         "%s: line %d: missing name in \"%s <name>\" line\n",
 557                             fname, lineno, argv[0] );
 558                         return( 1 );
 559                 }
 560
 561                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 562                         fprintf( stderr, "%s: line %d: "
 563                                         "authcDN already defined; replacing...\n",
 564                                         fname, lineno );
 565                         ch_free( li->idassert_authcDN.bv_val );
 566                 }
 567
 568                 ber_str2bv( argv[1], 0, 0, &dn );
 569                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 570                 if ( rc != LDAP_SUCCESS ) {
 571                         Debug( LDAP_DEBUG_ANY,
 572                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 573                                 fname, lineno, argv[1] );
 574                         return 1;
 575                 }
 576
 577         /* password to use for proxyAuthz propagation */
 578         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
 579                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
 580         {
 581                 /* FIXME: "proxyauthzpw" is no longer documented, and
 582                  * temporarily supported for backwards compatibility */
 583
 584                 if ( argc != 2 ) {
 585                         fprintf( stderr,
 586         "%s: line %d: missing password in \"%s <password>\" line\n",
 587                             fname, lineno, argv[0] );
 588                         return( 1 );
 589                 }
 590
 591                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 592                         fprintf( stderr, "%s: line %d: "
 593                                         "passwd already defined; replacing...\n",
 594                                         fname, lineno );
 595                         ch_free( li->idassert_passwd.bv_val );
 596                 }
 597
 598                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
 599
 600         /* rules to accept identity assertion... */
 601         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
 602                 struct berval   rule;
 603
 604                 ber_str2bv( argv[1], 0, 1, &rule );
 605
 606                 ber_bvarray_add( &li->idassert_authz, &rule );
 607
 608         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
 609                 if ( argc < 2 ) {
 610                         fprintf( stderr,
 611         "%s: line %d: missing method in \"%s <method>\" line\n",
 612                             fname, lineno, argv[0] );
 613                         return( 1 );
 614                 }
 615
 616                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 617                         /* FIXME: is this at all useful? */
 618                         li->idassert_authmethod = LDAP_AUTH_NONE;
 619
 620                         if ( argc != 2 ) {
 621                                 fprintf( stderr,
 622         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 623                                         fname, lineno, argv[0], argv[1] );
 624                         }
 625
 626                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 627                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 628
 629                         if ( argc != 2 ) {
 630                                 fprintf( stderr,
 631         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 632                                         fname, lineno, argv[0], argv[1] );
 633                         }
 634
 635                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 636 #ifdef HAVE_CYRUS_SASL
 637                         int     arg;
 638
 639                         for ( arg = 2; arg < argc; arg++ ) {
 640                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 641                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 642
 643                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 644                                                 fprintf( stderr, "%s: line %d: "
 645                                                                 "SASL mech already defined; replacing...\n",
 646                                                                 fname, lineno );
 647                                                 ch_free( li->idassert_sasl_mech.bv_val );
 648                                         }
 649                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
 650
 651                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 652                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 653
 654                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 655                                                 fprintf( stderr, "%s: line %d: "
 656                                                                 "SASL realm already defined; replacing...\n",
 657                                                                 fname, lineno );
 658                                                 ch_free( li->idassert_sasl_realm.bv_val );
 659                                         }
 660                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
 661
 662                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 663                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 664                                         struct berval   dn;
 665                                         int             rc;
 666
 667                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 668                                                 fprintf( stderr, "%s: line %d: "
 669                                                                 "SASL authcDN already defined; replacing...\n",
 670                                                                 fname, lineno );
 671                                                 ch_free( li->idassert_authcDN.bv_val );
 672                                         }
 673                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 674                                                 val += STRLENOF( "dn:" );
 675                                         }
 676
 677                                         ber_str2bv( val, 0, 0, &dn );
 678                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
 679                                         if ( rc != LDAP_SUCCESS ) {
 680                                                 Debug( LDAP_DEBUG_ANY,
 681                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 682                                                         fname, lineno, val );
 683                                                 return 1;
 684                                         }
 685
 686                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 687                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 688
 689                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 690                                                 fprintf( stderr, "%s: line %d: "
 691                                                                 "SASL authcID already defined; replacing...\n",
 692                                                                 fname, lineno );
 693                                                 ch_free( li->idassert_authcID.bv_val );
 694                                         }
 695                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 696                                                 val += STRLENOF( "u:" );
 697                                         }
 698                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
 699
 700                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 701                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 702
 703                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 704                                                 fprintf( stderr, "%s: line %d: "
 705                                                                 "SASL cred already defined; replacing...\n",
 706                                                                 fname, lineno );
 707                                                 ch_free( li->idassert_passwd.bv_val );
 708                                         }
 709                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
 710
 711                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 712                                         char    *val = argv[arg] + STRLENOF( "authz=" );
 713
 714                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
 715                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 716
 717                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
 718                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 719
 720                                         } else {
 721                                                 fprintf( stderr, "%s: line %d: "
 722                                                         "unknown authz mode \"%s\"\n",
 723                                                         fname, lineno, val );
 724                                                 return 1;
 725                                         }
 726
 727                                 } else {
 728                                         fprintf( stderr, "%s: line %d: "
 729                                                         "unknown SASL parameter %s\n",
 730                                                         fname, lineno, argv[arg] );
 731                                         return 1;
 732                                 }
 733                         }
 734
 735                         li->idassert_authmethod = LDAP_AUTH_SASL;
 736
 737 #else /* !HAVE_CYRUS_SASL */
 738                         fprintf( stderr, "%s: line %d: "
 739                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 740                                         fname, lineno );
 741                         return 1;
 742 #endif /* !HAVE_CYRUS_SASL */
 743
 744                 } else {
 745                         fprintf( stderr, "%s: line %d: "
 746                                         "unhandled idassert-method method %s\n",
 747                                         fname, lineno, argv[1] );
 748                         return 1;
 749                 }
 750
 751         } else {
 752                 return SLAP_CONF_UNKNOWN;
 753         }
 754
 755         return 0;
 756 }
 757
 758 static int
 759 parse_acl_auth(
 760     BackendDB   *be,
 761     const char  *fname,
 762     int         lineno,
 763     int         argc,
 764     char        **argv
 765 )
 766 {
 767         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 768
 769         /* name to use for remote ACL access */
 770         if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
 771                         || strcasecmp( argv[0], "binddn" ) == 0 )
 772         {
 773                 struct berval   dn;
 774                 int             rc;
 775
 776                 /* FIXME: "binddn" is no longer documented, and
 777                  * temporarily supported for backwards compatibility */
 778
 779                 if ( argc != 2 ) {
 780                         fprintf( stderr,
 781         "%s: line %d: missing name in \"%s <name>\" line\n",
 782                             fname, lineno, argv[0] );
 783                         return( 1 );
 784                 }
 785
 786                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 787                         fprintf( stderr, "%s: line %d: "
 788                                         "authcDN already defined; replacing...\n",
 789                                         fname, lineno );
 790                         ch_free( li->acl_authcDN.bv_val );
 791                 }
 792
 793                 ber_str2bv( argv[1], 0, 0, &dn );
 794                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
 795                 if ( rc != LDAP_SUCCESS ) {
 796                         Debug( LDAP_DEBUG_ANY,
 797                                 "%s: line %d: acl ID \"%s\" is not a valid DN\n",
 798                                 fname, lineno, argv[1] );
 799                         return 1;
 800                 }
 801
 802         /* password to use for remote ACL access */
 803         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
 804                         || strcasecmp( argv[0], "bindpw" ) == 0 )
 805         {
 806                 /* FIXME: "bindpw" is no longer documented, and
 807                  * temporarily supported for backwards compatibility */
 808
 809                 if ( argc != 2 ) {
 810                         fprintf( stderr,
 811         "%s: line %d: missing password in \"%s <password>\" line\n",
 812                             fname, lineno, argv[0] );
 813                         return( 1 );
 814                 }
 815
 816                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 817                         fprintf( stderr, "%s: line %d: "
 818                                         "passwd already defined; replacing...\n",
 819                                         fname, lineno );
 820                         ch_free( li->acl_passwd.bv_val );
 821                 }
 822
 823                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
 824
 825         } else if ( strcasecmp( argv[0], "acl-method" ) == 0 ) {
 826                 if ( argc < 2 ) {
 827                         fprintf( stderr,
 828         "%s: line %d: missing method in \"%s <method>\" line\n",
 829                             fname, lineno, argv[0] );
 830                         return( 1 );
 831                 }
 832
 833                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
 834                         /* FIXME: is this at all useful? */
 835                         li->acl_authmethod = LDAP_AUTH_NONE;
 836
 837                         if ( argc != 2 ) {
 838                                 fprintf( stderr,
 839         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 840                                         fname, lineno, argv[0], argv[1] );
 841                         }
 842
 843                 } else if ( strcasecmp( argv[1], "simple" ) == 0 ) {
 844                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
 845
 846                         if ( argc != 2 ) {
 847                                 fprintf( stderr,
 848         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
 849                                         fname, lineno, argv[0], argv[1] );
 850                         }
 851
 852                 } else if ( strcasecmp( argv[1], "sasl" ) == 0 ) {
 853 #ifdef HAVE_CYRUS_SASL
 854                         int     arg;
 855
 856                         for ( arg = 2; arg < argc; arg++ ) {
 857                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
 858                                         char    *val = argv[arg] + STRLENOF( "mech=" );
 859
 860                                         if ( !BER_BVISNULL( &li->acl_sasl_mech ) ) {
 861                                                 fprintf( stderr, "%s: line %d: "
 862                                                                 "SASL mech already defined; replacing...\n",
 863                                                                 fname, lineno );
 864                                                 ch_free( li->acl_sasl_mech.bv_val );
 865                                         }
 866                                         ber_str2bv( val, 0, 1, &li->acl_sasl_mech );
 867
 868                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
 869                                         char    *val = argv[arg] + STRLENOF( "realm=" );
 870
 871                                         if ( !BER_BVISNULL( &li->acl_sasl_realm ) ) {
 872                                                 fprintf( stderr, "%s: line %d: "
 873                                                                 "SASL realm already defined; replacing...\n",
 874                                                                 fname, lineno );
 875                                                 ch_free( li->acl_sasl_realm.bv_val );
 876                                         }
 877                                         ber_str2bv( val, 0, 1, &li->acl_sasl_realm );
 878
 879                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
 880                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
 881                                         struct berval   dn;
 882                                         int             rc;
 883
 884                                         if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 885                                                 fprintf( stderr, "%s: line %d: "
 886                                                                 "SASL authcDN already defined; replacing...\n",
 887                                                                 fname, lineno );
 888                                                 ch_free( li->acl_authcDN.bv_val );
 889                                         }
 890                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 891                                                 val += STRLENOF( "dn:" );
 892                                         }
 893
 894                                         ber_str2bv( val, 0, 0, &dn );
 895                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
 896                                         if ( rc != LDAP_SUCCESS ) {
 897                                                 Debug( LDAP_DEBUG_ANY,
 898                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
 899                                                         fname, lineno, val );
 900                                                 return 1;
 901                                         }
 902
 903                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
 904                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
 905
 906                                         if ( !BER_BVISNULL( &li->acl_authcID ) ) {
 907                                                 fprintf( stderr, "%s: line %d: "
 908                                                                 "SASL authcID already defined; replacing...\n",
 909                                                                 fname, lineno );
 910                                                 ch_free( li->acl_authcID.bv_val );
 911                                         }
 912                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
 913                                                 val += STRLENOF( "u:" );
 914                                         }
 915                                         ber_str2bv( val, 0, 1, &li->acl_authcID );
 916
 917                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
 918                                         char    *val = argv[arg] + STRLENOF( "cred=" );
 919
 920                                         if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 921                                                 fprintf( stderr, "%s: line %d: "
 922                                                                 "SASL cred already defined; replacing...\n",
 923                                                                 fname, lineno );
 924                                                 ch_free( li->acl_passwd.bv_val );
 925                                         }
 926                                         ber_str2bv( val, 0, 1, &li->acl_passwd );
 927
 928                                 } else {
 929                                         fprintf( stderr, "%s: line %d: "
 930                                                         "unknown SASL parameter %s\n",
 931                                                         fname, lineno, argv[arg] );
 932                                         return 1;
 933                                 }
 934                         }
 935
 936                         li->acl_authmethod = LDAP_AUTH_SASL;
 937
 938 #else /* !HAVE_CYRUS_SASL */
 939                         fprintf( stderr, "%s: line %d: "
 940                                         "compile --with-cyrus-sasl to enable SASL auth\n",
 941                                         fname, lineno );
 942                         return 1;
 943 #endif /* !HAVE_CYRUS_SASL */
 944
 945                 } else {
 946                         fprintf( stderr, "%s: line %d: "
 947                                         "unhandled acl-method method %s\n",
 948                                         fname, lineno, argv[1] );
 949                         return 1;
 950                 }
 951
 952         } else {
 953                 return SLAP_CONF_UNKNOWN;
 954         }
 955
 956         return 0;
 957 }
 958