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/ctype.h>
  30 #include <ac/socket.h>
  31
  32 #include "slap.h"
  33 #include "config.h"
  34 #include "back-ldap.h"
  35 #include "lutil.h"
  36 #include "ldif.h"
  37 #undef ldap_debug
  38 /* for advanced URL parsing */
  39 #include "../../../libraries/libldap/ldap-int.h"
  40
  41 static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
  42
  43 static ConfigDriver ldap_back_cf_gen;
  44
  45 enum {
  46         LDAP_BACK_CFG_URI = 1,
  47         LDAP_BACK_CFG_TLS,
  48         LDAP_BACK_CFG_ACL_AUTHCDN,
  49         LDAP_BACK_CFG_ACL_PASSWD,
  50         LDAP_BACK_CFG_ACL_METHOD,
  51         LDAP_BACK_CFG_ACL_BIND,
  52         LDAP_BACK_CFG_IDASSERT_MODE,
  53         LDAP_BACK_CFG_IDASSERT_AUTHCDN,
  54         LDAP_BACK_CFG_IDASSERT_PASSWD,
  55         LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
  56         LDAP_BACK_CFG_IDASSERT_METHOD,
  57         LDAP_BACK_CFG_IDASSERT_BIND,
  58         LDAP_BACK_CFG_REBIND,
  59         LDAP_BACK_CFG_CHASE,
  60         LDAP_BACK_CFG_T_F,
  61         LDAP_BACK_CFG_WHOAMI,
  62         LDAP_BACK_CFG_REWRITE
  63 };
  64
  65 static ConfigTable ldapcfg[] = {
  66         { "uri", "uri", 2, 2, 0,
  67                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_URI,
  68                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  69                         "NAME 'olcDbURI' "
  70                         "DESC 'URI (list) for remote DSA' "
  71                         "SYNTAX OMsDirectoryString "
  72                         "SINGLE-VALUE )",
  73                 NULL, NULL },
  74         { "tls", "what", 2, 2, 0,
  75                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_TLS,
  76                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  77                         "NAME 'olcDbStartTLS' "
  78                         "DESC 'StartTLS' "
  79                         "SYNTAX OMsDirectoryString "
  80                         "SINGLE-VALUE )",
  81                 NULL, NULL },
  82         { "acl-authcDN", "DN", 2, 2, 0,
  83                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  84                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  85                         "NAME 'olcDbACLAuthcDn' "
  86                         "DESC 'Remote ACL administrative identity' "
  87                         "OBSOLETE "
  88                         "SYNTAX OMsDN "
  89                         "SINGLE-VALUE )",
  90                 NULL, NULL },
  91         /* deprecated; aliases "acl-authcDN" */
  92         { "binddn", "DN", 2, 2, 0,
  93                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  94                 ldap_back_cf_gen, NULL, NULL, NULL },
  95         { "acl-passwd", "cred", 2, 2, 0,
  96                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
  97                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
  98                         "NAME 'olcDbACLPasswd' "
  99                         "DESC 'Remote ACL administrative identity credentials' "
 100                         "OBSOLETE "
 101                         "SYNTAX OMsDirectoryString "
 102                         "SINGLE-VALUE )",
 103                 NULL, NULL },
 104         /* deprecated; aliases "acl-passwd" */
 105         { "bindpw", "cred", 2, 2, 0,
 106                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 107                 ldap_back_cf_gen, NULL, NULL, NULL },
 108         { "acl-bind", "args", 2, 0, 0,
 109                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 110                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 111                         "NAME 'olcDbACLBind' "
 112                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 113                         "SYNTAX OMsDirectoryString "
 114                         "SINGLE-VALUE )",
 115                 NULL, NULL },
 116         /* deprecated; aliases "acl-bind" */
 117         { "acl-method", "args", 2, 0, 0,
 118                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 119                 ldap_back_cf_gen, NULL, NULL, NULL },
 120         { "idassert-authcDN", "DN", 2, 2, 0,
 121                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 122                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 123                         "NAME 'olcDbIDAssertAuthcDn' "
 124                         "DESC 'Remote Identity Assertion administrative identity' "
 125                         "OBSOLETE "
 126                         "SYNTAX OMsDN "
 127                         "SINGLE-VALUE )",
 128                 NULL, NULL },
 129         /* deprecated; partially aliases "idassert-authcDN" */
 130         { "proxyauthzdn", "DN", 2, 2, 0,
 131                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 132                 ldap_back_cf_gen, NULL, NULL, NULL },
 133         { "idassert-passwd", "cred", 2, 2, 0,
 134                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 135                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 136                         "NAME 'olcDbIDAssertPasswd' "
 137                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 138                         "OBSOLETE "
 139                         "SYNTAX OMsDirectoryString "
 140                         "SINGLE-VALUE )",
 141                 NULL, NULL },
 142         /* deprecated; partially aliases "idassert-passwd" */
 143         { "proxyauthzpw", "cred", 2, 2, 0,
 144                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 145                 ldap_back_cf_gen, NULL, NULL, NULL },
 146         { "idassert-bind", "args", 2, 0, 0,
 147                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 148                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 149                         "NAME 'olcDbIDAssertBind' "
 150                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 151                         "SYNTAX OMsDirectoryString "
 152                         "SINGLE-VALUE )",
 153                 NULL, NULL },
 154         { "idassert-method", "args", 2, 0, 0,
 155                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 156                 ldap_back_cf_gen, NULL, NULL, NULL },
 157         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 158                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 159                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 160                         "NAME 'olcDbIDAssertMode' "
 161                         "DESC 'Remote Identity Assertion mode' "
 162                         "OBSOLETE "
 163                         "SYNTAX OMsDirectoryString "
 164                         "SINGLE-VALUE)",
 165                 NULL, NULL },
 166         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 167                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 168                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 169                         "NAME 'olcDbIDAssertAuthzFrom' "
 170                         "DESC 'Remote Identity Assertion authz rules' "
 171                         "SYNTAX OMsDirectoryString "
 172                         "X-ORDERED 'VALUES' )",
 173                 NULL, NULL },
 174         { "rebind-as-user", "NO|yes", 1, 2, 0,
 175                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_REBIND,
 176                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 177                         "NAME 'olcDbRebindAsUser' "
 178                         "DESC 'Rebind as user' "
 179                         "SYNTAX OMsDirectoryString "
 180                         "SINGLE-VALUE )",
 181                 NULL, NULL },
 182         { "chase-referrals", "YES|no", 2, 2, 0,
 183                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_CHASE,
 184                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 185                         "NAME 'olcDbChaseReferrals' "
 186                         "DESC 'Chase referrals' "
 187                         "SYNTAX OMsDirectoryString "
 188                         "SINGLE-VALUE )",
 189                 NULL, NULL },
 190         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 191                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_T_F,
 192                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 193                         "NAME 'olcDbTFSupport' "
 194                         "DESC 'Absolute filters support' "
 195                         "SYNTAX OMsDirectoryString "
 196                         "SINGLE-VALUE )",
 197                 NULL, NULL },
 198         { "proxy-whoami", "NO|yes", 1, 2, 0,
 199                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_WHOAMI,
 200                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 201                         "NAME 'olcDbProxyWhoAmI' "
 202                         "DESC 'Proxy whoAmI exop' "
 203                         "SYNTAX OMsDirectoryString "
 204                         "SINGLE-VALUE )",
 205                 NULL, NULL },
 206         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 207                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 208                 ldap_back_cf_gen, NULL, NULL, NULL },
 209         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 210                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 211                 ldap_back_cf_gen, NULL, NULL, NULL },
 212         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 213                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 214                 ldap_back_cf_gen, NULL, NULL, NULL },
 215         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 216                 NULL, NULL, NULL, NULL }
 217 };
 218
 219 static ConfigOCs ldapocs[] = {
 220         { "( OLcfgDbOc:3.1 "
 221                 "NAME 'olcLDAPConfig' "
 222                 "DESC 'LDAP backend configuration' "
 223                 "SUP olcDatabaseConfig "
 224                 "MUST olcDbURI "
 225                 "MAY ( olcDbStartTLS "
 226                         "$ olcDbACLAuthcDn "
 227                         "$ olcDbACLPasswd "
 228                         "$ olcDbACLBind "
 229                         "$ olcDbIDAssertAuthcDn "
 230                         "$ olcDbIDAssertPasswd "
 231                         "$ olcDbIDAssertBind "
 232                         "$ olcDbIDAssertMode "
 233                         "$ olcDbIDAssertAuthzFrom "
 234                         "$ olcDbRebindAsUser "
 235                         "$ olcDbChaseReferrals "
 236                         "$ olcDbTFSupport "
 237                         "$ olcDbProxyWhoAmI "
 238                 ") )",
 239                         Cft_Database, ldapcfg},
 240         { NULL, 0, NULL }
 241 };
 242
 243 #define LDAP_BACK_C_NO                  (0x0U)
 244 #define LDAP_BACK_C_YES                 (0x1U)
 245 static slap_verbmasks yn_mode[] = {
 246         { BER_BVC( "yes" ),             LDAP_BACK_C_YES},
 247         { BER_BVC( "no" ),              LDAP_BACK_C_NO },
 248         { BER_BVNULL,                   0 }
 249 };
 250
 251 static slap_verbmasks idassert_mode[] = {
 252         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 253         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 254         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 255         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 256         { BER_BVNULL,                   0 }
 257 };
 258
 259 static slap_verbmasks tls_mode[] = {
 260         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 261         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 262         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 263         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 264         { BER_BVC( "none" ),            LDAP_BACK_C_NO },
 265         { BER_BVNULL,                   0 }
 266 };
 267
 268 static slap_verbmasks t_f_mode[] = {
 269         { BER_BVC( "yes" ),             LDAP_BACK_F_SUPPORT_T_F },
 270         { BER_BVC( "discover" ),        LDAP_BACK_F_SUPPORT_T_F_DISCOVER },
 271         { BER_BVC( "no" ),              LDAP_BACK_C_NO },
 272         { BER_BVNULL,                   0 }
 273 };
 274
 275 static int
 276 ldap_back_cf_gen( ConfigArgs *c )
 277 {
 278         struct ldapinfo *li = ( struct ldapinfo * )c->be->be_private;
 279         int             rc;
 280         int             i;
 281
 282         if ( c->op == SLAP_CONFIG_EMIT ) {
 283                 struct berval   bv = BER_BVNULL;
 284                 rc = 0;
 285
 286                 switch( c->type ) {
 287                 case LDAP_BACK_CFG_URI:
 288                         if ( li->url != NULL ) {
 289                                 c->value_string = ch_strdup( li->url );
 290
 291                         } else {
 292                                 rc = 1;
 293                         }
 294                         break;
 295
 296                 case LDAP_BACK_CFG_TLS:
 297                         enum_to_verb( tls_mode, ( li->flags & LDAP_BACK_F_TLS_MASK ), &bv );
 298                         if ( BER_BVISNULL( &bv ) ) {
 299                                 /* there's something wrong... */
 300                                 assert( 0 );
 301                                 rc = 1;
 302
 303                         } else {
 304                                 c->value_bv = bv;
 305                         }
 306                         break;
 307
 308                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 309                 case LDAP_BACK_CFG_ACL_PASSWD:
 310                 case LDAP_BACK_CFG_ACL_METHOD:
 311                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 312                         rc = 1;
 313                         break;
 314
 315                 case LDAP_BACK_CFG_ACL_BIND: {
 316                         int     i;
 317
 318                         bindconf_unparse( &li->acl_sb, &bv );
 319
 320                         for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 321                                 /* count spaces */ ;
 322
 323                         if ( i ) {
 324                                 bv.bv_len -= i;
 325                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 326                                         bv.bv_len + 1 );
 327                         }
 328
 329                         c->value_string = bv.bv_val;
 330                         break;
 331                 }
 332
 333                 case LDAP_BACK_CFG_IDASSERT_MODE:
 334                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 335                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 336                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 337                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 338                         rc = 1;
 339                         break;
 340
 341                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 342                         int             i;
 343
 344                         if ( li->idassert_authz == NULL ) {
 345                                 rc = 1;
 346                                 break;
 347                         }
 348
 349                         for ( i = 0; !BER_BVISNULL( &li->idassert_authz[ i ] ); i++ )
 350                         {
 351                                 value_add_one( &c->rvalue_vals, &li->idassert_authz[ i ] );
 352                         }
 353                         break;
 354                 }
 355
 356                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 357                         int             i;
 358                         struct berval   bc = BER_BVNULL;
 359                         char            *ptr;
 360
 361                         if ( li->idassert_authmethod != LDAP_AUTH_NONE ) {
 362                                 ber_len_t       len;
 363
 364                                 switch ( li->idassert_mode ) {
 365                                 case LDAP_BACK_IDASSERT_OTHERID:
 366                                 case LDAP_BACK_IDASSERT_OTHERDN:
 367                                         break;
 368
 369                                 default: {
 370                                         struct berval   mode = BER_BVNULL;
 371
 372                                         enum_to_verb( idassert_mode, li->idassert_mode, &mode );
 373                                         if ( BER_BVISNULL( &mode ) ) {
 374                                                 /* there's something wrong... */
 375                                                 assert( 0 );
 376                                                 rc = 1;
 377
 378                                         } else {
 379                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 380                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 381
 382                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 383                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 384                                         }
 385                                         break;
 386                                 }
 387                                 }
 388
 389                                 if ( li->idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 390                                         len = bv.bv_len + STRLENOF( "authz=native" );
 391
 392                                         if ( !BER_BVISEMPTY( &bv ) ) {
 393                                                 len += STRLENOF( " " );
 394                                         }
 395
 396                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 397
 398                                         ptr = &bv.bv_val[ bv.bv_len ];
 399
 400                                         if ( !BER_BVISEMPTY( &bv ) ) {
 401                                                 ptr = lutil_strcopy( ptr, " " );
 402                                         }
 403
 404                                         (void)lutil_strcopy( ptr, "authz=native" );
 405                                 }
 406
 407                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override" );
 408                                 /* flags */
 409                                 if ( !BER_BVISEMPTY( &bv ) ) {
 410                                         len += STRLENOF( " " );
 411                                 }
 412
 413                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 414
 415                                 ptr = &bv.bv_val[ bv.bv_len ];
 416
 417                                 if ( !BER_BVISEMPTY( &bv ) ) {
 418                                         ptr = lutil_strcopy( ptr, " " );
 419                                 }
 420
 421                                 ptr = lutil_strcopy( ptr, "flags=" );
 422
 423                                 if ( li->idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 424                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 425                                 } else {
 426                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 427                                 }
 428
 429                                 if ( li->idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 430                                         ptr = lutil_strcopy( ptr, ",override" );
 431                                 }
 432
 433                                 bv.bv_len = ( ptr - bv.bv_val );
 434                                 /* end-of-flags */
 435                         }
 436
 437                         bindconf_unparse( &li->idassert_sb, &bc );
 438
 439                         if ( !BER_BVISNULL( &bv ) ) {
 440                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 441
 442                                 c->value_string = ch_realloc( bv.bv_val, len + 1 );
 443
 444                                 assert( bc.bv_val[ 0 ] == ' ' );
 445
 446                                 (void)lutil_strcopy( &c->value_string[ bv.bv_len ], bc.bv_val );
 447
 448                                 free( bc.bv_val );
 449
 450                         } else {
 451                                 for ( i = 0; isspace( bc.bv_val[ i ] ); i++ )
 452                                         /* count spaces */ ;
 453
 454                                 if ( i ) {
 455                                         bc.bv_len -= i;
 456                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 457                                 }
 458
 459                                 c->value_string = bv.bv_val;
 460                         }
 461
 462                         break;
 463                 }
 464
 465                 case LDAP_BACK_CFG_REBIND:
 466                         enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_SAVECRED ) == LDAP_BACK_F_SAVECRED ), &bv );
 467                         if ( BER_BVISNULL( &bv ) ) {
 468                                 /* there's something wrong... */
 469                                 assert( 0 );
 470                                 rc = 1;
 471
 472                         } else {
 473                                 c->value_bv = bv;
 474                         }
 475                         break;
 476
 477                 case LDAP_BACK_CFG_CHASE:
 478                         enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_CHASE_REFERRALS ) == LDAP_BACK_F_CHASE_REFERRALS ), &bv );
 479                         if ( BER_BVISNULL( &bv ) ) {
 480                                 /* there's something wrong... */
 481                                 assert( 0 );
 482                                 rc = 1;
 483
 484                         } else {
 485                                 c->value_bv = bv;
 486                         }
 487                         break;
 488
 489                 case LDAP_BACK_CFG_T_F:
 490                         enum_to_verb( t_f_mode, ( ( li->flags & LDAP_BACK_F_SUPPORT_T_F_MASK ) == LDAP_BACK_F_SUPPORT_T_F_MASK ), &bv );
 491                         if ( BER_BVISNULL( &bv ) ) {
 492                                 /* there's something wrong... */
 493                                 assert( 0 );
 494                                 rc = 1;
 495
 496                         } else {
 497                                 c->value_bv = bv;
 498                         }
 499                         break;
 500
 501                 case LDAP_BACK_CFG_WHOAMI:
 502                         enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_PROXY_WHOAMI ) == LDAP_BACK_F_PROXY_WHOAMI ), &bv );
 503                         if ( BER_BVISNULL( &bv ) ) {
 504                                 /* there's something wrong... */
 505                                 assert( 0 );
 506                                 rc = 1;
 507
 508                         } else {
 509                                 c->value_bv = bv;
 510                         }
 511                         break;
 512
 513                 default:
 514                         /* we need to handle all... */
 515                         assert( 0 );
 516                         break;
 517                 }
 518                 return rc;
 519
 520         } else if ( c->op == LDAP_MOD_DELETE ) {
 521                 rc = 0;
 522                 switch( c->type ) {
 523                 case LDAP_BACK_CFG_URI:
 524                         if ( li->url != NULL ) {
 525                                 ch_free( li->url );
 526                                 li->url = NULL;
 527                         }
 528
 529                         if ( li->lud != NULL ) {
 530                                 ldap_free_urllist( li->lud );
 531                                 li->lud = NULL;
 532                         }
 533
 534                         /* better cleanup the cached connections... */
 535                         /* NOTE: don't worry about locking: if we got here,
 536                          * other threads are suspended. */
 537                         avl_free( li->conntree, ldap_back_conn_free );
 538                         li->conntree = NULL;
 539
 540                         break;
 541
 542                 case LDAP_BACK_CFG_TLS:
 543                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 544                 case LDAP_BACK_CFG_ACL_PASSWD:
 545                 case LDAP_BACK_CFG_ACL_METHOD:
 546                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 547                         rc = 1;
 548                         break;
 549
 550                 case LDAP_BACK_CFG_ACL_BIND:
 551                         bindconf_free( &li->acl_sb );
 552                         break;
 553
 554                 case LDAP_BACK_CFG_IDASSERT_MODE:
 555                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 556                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 557                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 558                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 559                         rc = 1;
 560                         break;
 561
 562                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 563                         if ( li->idassert_authz != NULL ) {
 564                                 ber_bvarray_free( li->idassert_authz );
 565                                 li->idassert_authz = NULL;
 566                         }
 567                         break;
 568
 569                 case LDAP_BACK_CFG_IDASSERT_BIND:
 570                         bindconf_free( &li->idassert_sb );
 571                         break;
 572
 573                 case LDAP_BACK_CFG_REBIND:
 574                 case LDAP_BACK_CFG_CHASE:
 575                 case LDAP_BACK_CFG_T_F:
 576                 case LDAP_BACK_CFG_WHOAMI:
 577                         rc = 1;
 578                         break;
 579
 580                 default:
 581                         /* we need to handle all... */
 582                         assert( 0 );
 583                         break;
 584                 }
 585                 return rc;
 586
 587         }
 588
 589         switch( c->type ) {
 590         case LDAP_BACK_CFG_URI: {
 591                 LDAPURLDesc     *tmpludp;
 592 #if 0
 593                 char            **urllist;
 594 #endif
 595                 int             urlrc, i;
 596
 597                 if ( c->argc != 2 ) {
 598                         fprintf( stderr, "%s: line %d: "
 599                                         "missing uri "
 600                                         "in \"uri <uri>\" line\n",
 601                                         c->fname, c->lineno );
 602                         return 1;
 603                 }
 604
 605                 if ( li->url != NULL ) {
 606                         ch_free( li->url );
 607                 }
 608
 609                 if ( li->lud != NULL ) {
 610                         ldap_free_urllist( li->lud );
 611                 }
 612
 613 #if 0
 614                 /* PARANOID: DN and more are not required nor allowed */
 615                 urlrc = ldap_url_parselist_ext( &li->lud, c->value_string, "\t" );
 616 #else
 617                 urlrc = ldap_url_parselist( &li->lud, c->value_string );
 618 #endif
 619                 if ( urlrc != LDAP_URL_SUCCESS ) {
 620                         char    *why;
 621
 622                         switch ( urlrc ) {
 623                         case LDAP_URL_ERR_MEM:
 624                                 why = "no memory";
 625                                 break;
 626                         case LDAP_URL_ERR_PARAM:
 627                                 why = "parameter is bad";
 628                                 break;
 629                         case LDAP_URL_ERR_BADSCHEME:
 630                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 631                                 break;
 632                         case LDAP_URL_ERR_BADENCLOSURE:
 633                                 why = "URL is missing trailing \">\"";
 634                                 break;
 635                         case LDAP_URL_ERR_BADURL:
 636                                 why = "URL is bad";
 637                         case LDAP_URL_ERR_BADHOST:
 638                                 why = "host/port is bad";
 639                                 break;
 640                         case LDAP_URL_ERR_BADATTRS:
 641                                 why = "bad (or missing) attributes";
 642                                 break;
 643                         case LDAP_URL_ERR_BADSCOPE:
 644                                 why = "scope string is invalid (or missing)";
 645                                 break;
 646                         case LDAP_URL_ERR_BADFILTER:
 647                                 why = "bad or missing filter";
 648                                 break;
 649                         case LDAP_URL_ERR_BADEXTS:
 650                                 why = "bad or missing extensions";
 651                                 break;
 652                         default:
 653                                 why = "unknown reason";
 654                                 break;
 655                         }
 656                         fprintf( stderr, "%s: line %d: "
 657                                         "unable to parse uri \"%s\" "
 658                                         "in \"uri <uri>\" line: %s\n",
 659                                         c->fname, c->lineno, c->value_string, why );
 660                         return 1;
 661                 }
 662
 663                 for ( i = 0, tmpludp = li->lud;
 664                                 tmpludp;
 665                                 i++, tmpludp = tmpludp->lud_next )
 666                 {
 667                         if ( ( tmpludp->lud_dn != NULL
 668                                                 && tmpludp->lud_dn[0] != '\0' )
 669                                         || tmpludp->lud_attrs != NULL
 670                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 671                                         || tmpludp->lud_filter != NULL
 672                                         || tmpludp->lud_exts != NULL )
 673                         {
 674                                 fprintf( stderr, "%s: line %d: "
 675                                                 "warning, only protocol, "
 676                                                 "host and port allowed "
 677                                                 "in \"uri <uri>\" statement "
 678                                                 "for uri #%d of \"%s\"\n",
 679                                                 c->fname, c->lineno, i, c->value_string );
 680                         }
 681                 }
 682
 683 #if 0
 684                 for ( i = 0, tmpludp = li->lud;
 685                                 tmpludp;
 686                                 i++, tmpludp = tmpludp->lud_next )
 687                         /* just count */
 688                         ;
 689                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 690
 691                 for ( i = 0, tmpludp = li->lud;
 692                                 tmpludp;
 693                                 i++, tmpludp = tmpludp->lud_next )
 694                 {
 695                         LDAPURLDesc     tmplud;
 696                         ber_len_t       oldlen = 0, len;
 697
 698                         tmplud = *tmpludp;
 699                         tmplud.lud_dn = "";
 700                         tmplud.lud_attrs = NULL;
 701                         tmplud.lud_filter = NULL;
 702                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 703                                 tmplud.lud_exts = NULL;
 704                                 tmplud.lud_crit_exts = 0;
 705                         }
 706
 707                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 708
 709                         if ( urllist[ i ] == NULL ) {
 710                                 fprintf( stderr, "%s: line %d: "
 711                                         "unable to rebuild uri "
 712                                         "in \"uri <uri>\" statement "
 713                                         "for \"%s\"\n",
 714                                         c->fname, c->lineno, argv[ 1 ] );
 715                                 return 1;
 716                         }
 717                 }
 718
 719                 li->url = ldap_charray2str( urllist, " " );
 720                 ldap_charray_free( urllist );
 721 #else
 722                 li->url = ch_strdup( c->value_string );
 723 #endif
 724                 break;
 725         }
 726
 727         case LDAP_BACK_CFG_TLS:
 728                 i = verb_to_mask( c->argv[1], tls_mode );
 729                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 730                         return 1;
 731                 }
 732                 li->flags &= ~LDAP_BACK_F_TLS_MASK;
 733                 li->flags |= tls_mode[i].mask;
 734                 break;
 735
 736         case LDAP_BACK_CFG_ACL_AUTHCDN:
 737                 switch ( li->acl_authmethod ) {
 738                 case LDAP_AUTH_NONE:
 739                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
 740                         break;
 741
 742                 case LDAP_AUTH_SIMPLE:
 743                         break;
 744
 745                 default:
 746                         fprintf( stderr, "%s: line %d: "
 747                                 "\"acl-authcDN <DN>\" incompatible "
 748                                 "with auth method %d.",
 749                                 c->fname, c->lineno, li->acl_authmethod );
 750                         return 1;
 751                 }
 752                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 753                         free( li->acl_authcDN.bv_val );
 754                 }
 755                 li->acl_authcDN = c->value_ndn;
 756                 break;
 757
 758         case LDAP_BACK_CFG_ACL_PASSWD:
 759                 switch ( li->acl_authmethod ) {
 760                 case LDAP_AUTH_NONE:
 761                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
 762                         break;
 763
 764                 case LDAP_AUTH_SIMPLE:
 765                         break;
 766
 767                 default:
 768                         fprintf( stderr, "%s: line %d: "
 769                                 "\"acl-passwd <cred>\" incompatible "
 770                                 "with auth method %d.",
 771                                 c->fname, c->lineno, li->acl_authmethod );
 772                         return 1;
 773                 }
 774                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 775                         free( li->acl_passwd.bv_val );
 776                 }
 777                 li->acl_passwd = c->value_bv;
 778                 break;
 779
 780         case LDAP_BACK_CFG_ACL_METHOD:
 781         case LDAP_BACK_CFG_ACL_BIND:
 782                 for ( i = 1; i < c->argc; i++ ) {
 783                         if ( bindconf_parse( c->argv[ i ], &li->acl_sb ) ) {
 784                                 return 1;
 785                         }
 786                 }
 787                 break;
 788
 789         case LDAP_BACK_CFG_IDASSERT_MODE:
 790                 i = verb_to_mask( c->argv[1], idassert_mode );
 791                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 792                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 793                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 794                                 ber_str2bv( c->argv[1], 0, 1, &li->idassert_authzID );
 795                                 li->idassert_authzID.bv_val[ 0 ] = 'u';
 796
 797                         } else {
 798                                 struct berval   id, ndn;
 799
 800                                 ber_str2bv( c->argv[1], 0, 0, &id );
 801
 802                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 803                                         id.bv_val += STRLENOF( "dn:" );
 804                                         id.bv_len -= STRLENOF( "dn:" );
 805                                 }
 806
 807                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 808                                 if ( rc != LDAP_SUCCESS ) {
 809                                         Debug( LDAP_DEBUG_ANY,
 810                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 811                                                 c->fname, c->lineno, c->argv[1] );
 812                                         return 1;
 813                                 }
 814
 815                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 816                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 817                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 818                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 819                                 ch_free( ndn.bv_val );
 820
 821                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 822                         }
 823
 824                 } else {
 825                         li->idassert_mode = idassert_mode[i].mask;
 826                 }
 827
 828                 if ( c->argc > 2 ) {
 829                         int     i;
 830
 831                         for ( i = 2; i < c->argc; i++ ) {
 832                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 833                                         li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 834
 835                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 836                                         li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 837
 838                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 839                                         li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 840
 841                                 } else {
 842                                         Debug( LDAP_DEBUG_ANY,
 843                                                 "%s: line %d: unknown flag #%d "
 844                                                 "in \"idassert-mode <args> "
 845                                                 "[<flags>]\" line.\n",
 846                                                 c->fname, c->lineno, i - 2 );
 847                                         return 1;
 848                                 }
 849                         }
 850                 }
 851                 break;
 852
 853         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 854                 switch ( li->idassert_authmethod ) {
 855                 case LDAP_AUTH_NONE:
 856                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 857                         break;
 858
 859                 case LDAP_AUTH_SIMPLE:
 860                         break;
 861
 862                 default:
 863                         fprintf( stderr, "%s: line %d: "
 864                                 "\"idassert-authcDN <DN>\" incompatible "
 865                                 "with auth method %d.",
 866                                 c->fname, c->lineno, li->idassert_authmethod );
 867                         return 1;
 868                 }
 869                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 870                         free( li->idassert_authcDN.bv_val );
 871                 }
 872                 li->idassert_authcDN = c->value_ndn;
 873                 break;
 874
 875         case LDAP_BACK_CFG_IDASSERT_PASSWD:
 876                 switch ( li->idassert_authmethod ) {
 877                 case LDAP_AUTH_NONE:
 878                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 879                         break;
 880
 881                 case LDAP_AUTH_SIMPLE:
 882                         break;
 883
 884                 default:
 885                         fprintf( stderr, "%s: line %d: "
 886                                 "\"idassert-passwd <cred>\" incompatible "
 887                                 "with auth method %d.",
 888                                 c->fname, c->lineno, li->idassert_authmethod );
 889                         return 1;
 890                 }
 891                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 892                         free( li->idassert_passwd.bv_val );
 893                 }
 894                 li->idassert_passwd = c->value_bv;
 895                 break;
 896
 897         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 898                 ber_bvarray_add( &li->idassert_authz, &c->value_bv );
 899                 break;
 900
 901         case LDAP_BACK_CFG_IDASSERT_METHOD:
 902                 /* no longer supported */
 903                 fprintf( stderr, "%s: %d: "
 904                         "\"idassert-method <args>\": "
 905                         "no longer supported; use \"idassert-bind\".\n",
 906                         c->fname, c->lineno );
 907                 return 1;
 908
 909         case LDAP_BACK_CFG_IDASSERT_BIND:
 910                 for ( i = 1; i < c->argc; i++ ) {
 911                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
 912                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
 913                                 int     j;
 914
 915                                 j = verb_to_mask( argvi, idassert_mode );
 916                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
 917                                         fprintf( stderr, "%s: %d: "
 918                                                 "\"idassert-bind <args>\": "
 919                                                 "unknown mode \"%s\".\n",
 920                                                 c->fname, c->lineno, argvi );
 921                                         return 1;
 922                                 }
 923
 924                                 li->idassert_mode = idassert_mode[ j ].mask;
 925
 926                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 927                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
 928
 929                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
 930                                         if ( li->idassert_authmethod != LDAP_AUTH_SASL ) {
 931                                                 fprintf( stderr, "%s: %d: "
 932                                                         "\"idassert-bind <args>\": "
 933                                                         "authz=\"native\" incompatible "
 934                                                         "with auth method.\n",
 935                                                         c->fname, c->lineno );
 936                                                 return 1;
 937                                         }
 938                                         li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 939
 940                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
 941                                         li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 942
 943                                 } else {
 944                                         fprintf( stderr, "%s: %d: "
 945                                                 "\"idassert-bind <args>\": "
 946                                                 "unknown authz \"%s\".\n",
 947                                                 c->fname, c->lineno, argvi );
 948                                         return 1;
 949                                 }
 950
 951                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
 952                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
 953                                 char    **flags = ldap_str2charray( argvi, "," );
 954                                 int     j;
 955
 956                                 if ( flags == NULL ) {
 957                                         fprintf( stderr, "%s: %d: "
 958                                                 "\"idassert-bind <args>\": "
 959                                                 "unable to parse flags \"%s\".\n",
 960                                                 c->fname, c->lineno, argvi );
 961                                         return 1;
 962                                 }
 963
 964                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
 965                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
 966                                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 967
 968                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
 969                                                 li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 970
 971                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
 972                                                 li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 973
 974                                         } else {
 975                                                 fprintf( stderr, "%s: %d: "
 976                                                         "\"idassert-bind <args>\": "
 977                                                         "unknown flag \"%s\".\n",
 978                                                         c->fname, c->lineno, flags[ j ] );
 979                                                 return 1;
 980                                         }
 981                                 }
 982
 983                                 ldap_charray_free( flags );
 984
 985                         } else if ( bindconf_parse( c->argv[ i ], &li->idassert_sb ) ) {
 986                                 return 1;
 987                         }
 988                 }
 989                 break;
 990
 991         case LDAP_BACK_CFG_REBIND: {
 992                 int     dorebind = 0;
 993
 994                 if ( c->argc == 1 ) {
 995                         /* legacy */
 996                         dorebind = 1;
 997
 998                 } else {
 999                         i = verb_to_mask( c->argv[1], yn_mode );
1000                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1001                                 return 1;
1002                         }
1003                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1004                                 dorebind = 1;
1005                         }
1006                 }
1007
1008                 if ( dorebind ) {
1009                         li->flags |= LDAP_BACK_F_SAVECRED;
1010
1011                 } else {
1012                         li->flags &= ~LDAP_BACK_F_SAVECRED;
1013                 }
1014                 break;
1015         }
1016
1017         case LDAP_BACK_CFG_CHASE: {
1018                 int     dochase = 0;
1019
1020                 if ( c->argc == 1 ) {
1021                         /* legacy */
1022                         dochase = 1;
1023
1024                 } else {
1025                         i = verb_to_mask( c->argv[1], yn_mode );
1026                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1027                                 return 1;
1028                         }
1029                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1030                                 dochase = 1;
1031                         }
1032                 }
1033
1034                 if ( dochase ) {
1035                         li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
1036
1037                 } else {
1038                         li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1039                 }
1040                 break;
1041         }
1042
1043         case LDAP_BACK_CFG_T_F:
1044                 i = verb_to_mask( c->argv[1], t_f_mode );
1045                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1046                         return 1;
1047                 }
1048                 li->flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1049                 li->flags |= t_f_mode[i].mask;
1050                 break;
1051
1052         case LDAP_BACK_CFG_WHOAMI: {
1053                 int     dowhoami = 0;
1054
1055                 if ( c->argc == 1 ) {
1056                         /* legacy */
1057                         dowhoami = 1;
1058
1059                 } else {
1060                         i = verb_to_mask( c->argv[1], yn_mode );
1061                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1062                                 return 1;
1063                         }
1064                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1065                                 dowhoami = 1;
1066                         }
1067                 }
1068
1069                 if ( dowhoami ) {
1070                         li->flags |= LDAP_BACK_F_PROXY_WHOAMI;
1071
1072                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1073                                         0, ldap_back_exop_whoami );
1074
1075                 } else {
1076                         li->flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1077                 }
1078                 break;
1079         }
1080
1081         case LDAP_BACK_CFG_REWRITE:
1082                 fprintf( stderr, "%s: line %d: "
1083                         "rewrite/remap capabilities have been moved "
1084                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1085                         "for details (hint: add \"overlay rwm\" "
1086                         "and prefix all directives with \"rwm-\").\n",
1087                         c->fname, c->lineno );
1088                 return 1;
1089
1090         default:
1091                 assert( 0 );
1092         }
1093
1094         return 0;
1095 }
1096
1097 int
1098 ldap_back_init_cf( BackendInfo *bi )
1099 {
1100         int                     rc;
1101         AttributeDescription    *ad = NULL;
1102         const char              *text;
1103
1104         bi->bi_cf_ocs = ldapocs;
1105
1106         rc = config_register_schema( ldapcfg, ldapocs );
1107         if ( rc ) {
1108                 return rc;
1109         }
1110
1111         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1112          * to be base64-encoded when written in LDIF form;
1113          * basically, we don't care if it fails */
1114         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1115         if ( rc ) {
1116                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1117                         "warning, unable to get \"olcDbACLPasswd\" "
1118                         "attribute description: %d: %s\n",
1119                         rc, text, 0 );
1120         } else {
1121                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1122                         ad->ad_type->sat_oid );
1123         }
1124
1125         ad = NULL;
1126         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1127         if ( rc ) {
1128                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1129                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1130                         "attribute description: %d: %s\n",
1131                         rc, text, 0 );
1132         } else {
1133                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1134                         ad->ad_type->sat_oid );
1135         }
1136
1137         return 0;
1138 }
1139
1140
1141 static int
1142 parse_idassert( BackendDB *be, const char *fname, int lineno,
1143                 int argc, char **argv );
1144
1145 static int
1146 parse_acl_auth( BackendDB *be, const char *fname, int lineno,
1147                 int argc, char **argv );
1148
1149 int
1150 ldap_back_db_config(
1151                 BackendDB       *be,
1152                 const char      *fname,
1153                 int             lineno,
1154                 int             argc,
1155                 char            **argv )
1156 {
1157         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1158
1159         if ( li == NULL ) {
1160                 fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
1161                                 fname, lineno );
1162                 return 1;
1163         }
1164
1165         /* server address to query (no longer supported, use "uri" directive) */
1166         if ( strcasecmp( argv[0], "server" ) == 0 ) {
1167                 fprintf( stderr,
1168         "%s: line %d: \"server <address>\" directive is no longer supported.\n",
1169                                         fname, lineno );
1170                 return 1;
1171
1172         /* URI of server to query (obsoletes "server" directive) */
1173         } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
1174                 LDAPURLDesc     *tmpludp;
1175 #if 0
1176                 char            **urllist;
1177 #endif
1178                 int             urlrc, i;
1179
1180                 if ( argc != 2 ) {
1181                         fprintf( stderr, "%s: line %d: "
1182                                         "missing uri "
1183                                         "in \"uri <uri>\" line\n",
1184                                         fname, lineno );
1185                         return 1;
1186                 }
1187                 if ( li->url != NULL ) {
1188                         ch_free( li->url );
1189                 }
1190                 if ( li->lud != NULL ) {
1191                         ldap_free_urllist( li->lud );
1192                 }
1193
1194 #if 0
1195                 /* PARANOID: DN and more are not required nor allowed */
1196                 urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" );
1197 #else
1198                 urlrc = ldap_url_parselist( &li->lud, argv[ 1 ] );
1199 #endif
1200                 if ( urlrc != LDAP_URL_SUCCESS ) {
1201                         char    *why;
1202
1203                         switch ( urlrc ) {
1204                         case LDAP_URL_ERR_MEM:
1205                                 why = "no memory";
1206                                 break;
1207                         case LDAP_URL_ERR_PARAM:
1208                                 why = "parameter is bad";
1209                                 break;
1210                         case LDAP_URL_ERR_BADSCHEME:
1211                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
1212                                 break;
1213                         case LDAP_URL_ERR_BADENCLOSURE:
1214                                 why = "URL is missing trailing \">\"";
1215                                 break;
1216                         case LDAP_URL_ERR_BADURL:
1217                                 why = "URL is bad";
1218                         case LDAP_URL_ERR_BADHOST:
1219                                 why = "host/port is bad";
1220                                 break;
1221                         case LDAP_URL_ERR_BADATTRS:
1222                                 why = "bad (or missing) attributes";
1223                                 break;
1224                         case LDAP_URL_ERR_BADSCOPE:
1225                                 why = "scope string is invalid (or missing)";
1226                                 break;
1227                         case LDAP_URL_ERR_BADFILTER:
1228                                 why = "bad or missing filter";
1229                                 break;
1230                         case LDAP_URL_ERR_BADEXTS:
1231                                 why = "bad or missing extensions";
1232                                 break;
1233                         default:
1234                                 why = "unknown reason";
1235                                 break;
1236                         }
1237                         fprintf( stderr, "%s: line %d: "
1238                                         "unable to parse uri \"%s\" "
1239                                         "in \"uri <uri>\" line: %s\n",
1240                                         fname, lineno, argv[ 1 ], why );
1241                         return 1;
1242                 }
1243
1244                 for ( i = 0, tmpludp = li->lud;
1245                                 tmpludp;
1246                                 i++, tmpludp = tmpludp->lud_next )
1247                 {
1248                         if ( ( tmpludp->lud_dn != NULL
1249                                                 && tmpludp->lud_dn[0] != '\0' )
1250                                         || tmpludp->lud_attrs != NULL
1251                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
1252                                         || tmpludp->lud_filter != NULL
1253                                         || tmpludp->lud_exts != NULL )
1254                         {
1255                                 fprintf( stderr, "%s: line %d: "
1256                                                 "warning, only protocol, "
1257                                                 "host and port allowed "
1258                                                 "in \"uri <uri>\" statement "
1259                                                 "for uri #%d of \"%s\"\n",
1260                                                 fname, lineno, i, argv[1] );
1261                         }
1262                 }
1263
1264 #if 0
1265                 for ( i = 0, tmpludp = li->lud;
1266                                 tmpludp;
1267                                 i++, tmpludp = tmpludp->lud_next )
1268                         /* just count */
1269                         ;
1270                 urllist = ch_calloc( sizeof( char * ), i + 1 );
1271
1272                 for ( i = 0, tmpludp = li->lud;
1273                                 tmpludp;
1274                                 i++, tmpludp = tmpludp->lud_next )
1275                 {
1276                         LDAPURLDesc     tmplud;
1277                         ber_len_t       oldlen = 0, len;
1278
1279                         tmplud = *tmpludp;
1280                         tmplud.lud_dn = "";
1281                         tmplud.lud_attrs = NULL;
1282                         tmplud.lud_filter = NULL;
1283                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
1284                                 tmplud.lud_exts = NULL;
1285                                 tmplud.lud_crit_exts = 0;
1286                         }
1287
1288                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
1289
1290                         if ( urllist[ i ] == NULL ) {
1291                                 fprintf( stderr, "%s: line %d: "
1292                                         "unable to rebuild uri "
1293                                         "in \"uri <uri>\" statement "
1294                                         "for \"%s\"\n",
1295                                         fname, lineno, argv[ 1 ] );
1296                                 return 1;
1297                         }
1298                 }
1299
1300                 li->url = ldap_charray2str( urllist, " " );
1301                 ldap_charray_free( urllist );
1302 #else
1303                 li->url = ch_strdup( argv[ 1 ] );
1304 #endif
1305
1306         } else if ( strcasecmp( argv[0], "tls" ) == 0 ) {
1307                 if ( argc != 2 ) {
1308                         fprintf( stderr,
1309                 "%s: line %d: \"tls <what>\" needs 1 argument.\n",
1310                                         fname, lineno );
1311                         return( 1 );
1312                 }
1313
1314                 /* none */
1315                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
1316                         li->flags &= ~LDAP_BACK_F_TLS_MASK;
1317
1318                 /* try start tls */
1319                 } else if ( strcasecmp( argv[1], "start" ) == 0 ) {
1320                         li->flags |= LDAP_BACK_F_TLS_USE_MASK;
1321
1322                 /* try start tls */
1323                 } else if ( strcasecmp( argv[1], "try-start" ) == 0 ) {
1324                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
1325                         li->flags |= LDAP_BACK_F_USE_TLS;
1326
1327                 /* propagate start tls */
1328                 } else if ( strcasecmp( argv[1], "propagate" ) == 0 ) {
1329                         li->flags |= LDAP_BACK_F_TLS_PROPAGATE_MASK;
1330
1331                 /* try start tls */
1332                 } else if ( strcasecmp( argv[1], "try-propagate" ) == 0 ) {
1333                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
1334                         li->flags |= LDAP_BACK_F_PROPAGATE_TLS;
1335
1336                 } else {
1337                         fprintf( stderr,
1338                 "%s: line %d: \"tls <what>\": unknown argument \"%s\".\n",
1339                                         fname, lineno, argv[1] );
1340                         return( 1 );
1341                 }
1342
1343         /* remote ACL stuff... */
1344         } else if ( strncasecmp( argv[0], "acl-", STRLENOF( "acl-" ) ) == 0
1345                         || strncasecmp( argv[0], "bind", STRLENOF( "bind" ) ) == 0 )
1346         {
1347                 /* NOTE: "bind{DN,pw}" was initially used; it's now
1348                  * deprected and undocumented, it can be dropped at some
1349                  * point, since nobody should be really using it */
1350                 return parse_acl_auth( be, fname, lineno, argc, argv );
1351
1352         /* identity assertion stuff... */
1353         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
1354                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 )
1355         {
1356                 /* NOTE: "proxyauthz{DN,pw}" was initially used; it's now
1357                  * deprected and undocumented, it can be dropped at some
1358                  * point, since nobody should be really using it */
1359                 return parse_idassert( be, fname, lineno, argc, argv );
1360
1361         /* save bind creds for referral rebinds? */
1362         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
1363                 switch ( argc ) {
1364                 case 1:
1365                         fprintf( stderr,
1366         "%s: line %d: \"rebind-as-user {NO|yes}\": use without args is deprecated.\n",
1367                                 fname, lineno );
1368
1369                         li->flags |= LDAP_BACK_F_SAVECRED;
1370                         break;
1371
1372                 case 2:
1373                         if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1374                                 li->flags |= LDAP_BACK_F_SAVECRED;
1375
1376                         } else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1377                                 li->flags &= ~LDAP_BACK_F_SAVECRED;
1378
1379                         } else {
1380                                 fprintf( stderr,
1381         "%s: line %d: \"rebind-as-user {NO|yes}\": unknown argument \"%s\".\n",
1382                                         fname, lineno, argv[ 1 ] );
1383                                 return( 1 );
1384                         }
1385                         break;
1386
1387                 default:
1388                         fprintf( stderr,
1389         "%s: line %d: \"rebind-as-user {NO|yes}\" needs 1 argument.\n",
1390                                         fname, lineno );
1391                         return( 1 );
1392                 }
1393
1394         } else if ( strcasecmp( argv[0], "chase-referrals" ) == 0 ) {
1395                 if ( argc != 2 ) {
1396                         fprintf( stderr,
1397         "%s: line %d: \"chase-referrals {YES|no}\" needs 1 argument.\n",
1398                                         fname, lineno );
1399                         return( 1 );
1400                 }
1401
1402                 /* this is the default; we add it because the default might change... */
1403                 if ( strcasecmp( argv[1], "yes" ) == 0 ) {
1404                         li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
1405
1406                 } else if ( strcasecmp( argv[1], "no" ) == 0 ) {
1407                         li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1408
1409                 } else {
1410                         fprintf( stderr,
1411                 "%s: line %d: \"chase-referrals {YES|no}\": unknown argument \"%s\".\n",
1412                                         fname, lineno, argv[1] );
1413                         return( 1 );
1414                 }
1415
1416         } else if ( strcasecmp( argv[ 0 ], "t-f-support" ) == 0 ) {
1417                 if ( argc != 2 ) {
1418                         fprintf( stderr,
1419                 "%s: line %d: \"t-f-support {NO|yes|discover}\" needs 1 argument.\n",
1420                                         fname, lineno );
1421                         return( 1 );
1422                 }
1423
1424                 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1425                         li->flags &= ~(LDAP_BACK_F_SUPPORT_T_F|LDAP_BACK_F_SUPPORT_T_F_DISCOVER);
1426
1427                 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1428                         li->flags |= LDAP_BACK_F_SUPPORT_T_F;
1429
1430                 } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
1431                         li->flags |= LDAP_BACK_F_SUPPORT_T_F_DISCOVER;
1432
1433                 } else {
1434                         fprintf( stderr,
1435         "%s: line %d: \"t-f-support {NO|yes|discover}\": unknown argument \"%s\".\n",
1436                                 fname, lineno, argv[ 1 ] );
1437                         return 1;
1438                 }
1439
1440         /* intercept exop_who_am_i? */
1441         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
1442                 int     doload_extop = 0;
1443
1444                 switch ( argc ) {
1445                 case 1:
1446                         fprintf( stderr,
1447         "%s: line %d: \"proxy-whoami {NO|yes}\": use without args is deprecated.\n",
1448                                 fname, lineno );
1449
1450                         doload_extop = 1;
1451                         break;
1452
1453                 case 2:
1454                         if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1455                                 doload_extop = 1;
1456
1457                         } else if ( strcasecmp( argv[ 1 ], "no" ) != 0 ) {
1458                                 fprintf( stderr,
1459         "%s: line %d: \"proxy-whoami {NO|yes}\": unknown argument \"%s\".\n",
1460                                         fname, lineno, argv[ 1 ] );
1461                                 return( 1 );
1462                         }
1463                         break;
1464
1465                 default:
1466                         fprintf( stderr,
1467         "%s: line %d: \"proxy-whoami {NO|yes}\" needs 1 argument.\n",
1468                                         fname, lineno );
1469                         return( 1 );
1470                 }
1471
1472                 if ( doload_extop ) {
1473                         li->flags |= LDAP_BACK_F_PROXY_WHOAMI;
1474
1475                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1476                                         0, ldap_back_exop_whoami );
1477                 }
1478
1479         /* FIXME: legacy: intercept old rewrite/remap directives
1480          * and try to start the rwm overlay */
1481         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
1482                         || strcasecmp( argv[0], "map" ) == 0
1483                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
1484         {
1485 #if 0
1486                 fprintf( stderr, "%s: line %d: "
1487                         "rewrite/remap capabilities have been moved "
1488                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1489                         "for details.  I'm trying to do my best "
1490                         "to preserve backwards compatibility...\n",
1491                         fname, lineno );
1492
1493                 if ( li->rwm_started == 0 ) {
1494                         if ( overlay_config( be, "rwm" ) ) {
1495                                 fprintf( stderr, "%s: line %d: "
1496                                         "unable to configure the \"rwm\" "
1497                                         "overlay, required by directive "
1498                                         "\"%s\".\n",
1499                                         fname, lineno, argv[0] );
1500 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
1501                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
1502 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
1503                                 return( 1 );
1504                         }
1505
1506                         fprintf( stderr, "%s: line %d: back-ldap: "
1507                                 "automatically starting \"rwm\" overlay, "
1508                                 "triggered by \"%s\" directive.\n",
1509                                 fname, lineno, argv[ 0 ] );
1510
1511                 /* this is the default; we add it because the default might change... */
1512                         li->rwm_started = 1;
1513
1514                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
1515                 }
1516 #else
1517                 fprintf( stderr, "%s: line %d: "
1518                         "rewrite/remap capabilities have been moved "
1519                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1520                         "for details (hint: add \"overlay rwm\" "
1521                         "and prefix all directives with \"rwm-\").\n",
1522                         fname, lineno );
1523 #endif
1524
1525                 return 1;
1526
1527         /* anything else */
1528         } else {
1529                 return SLAP_CONF_UNKNOWN;
1530         }
1531
1532         return 0;
1533 }
1534
1535 static int
1536 ldap_back_exop_whoami(
1537                 Operation       *op,
1538                 SlapReply       *rs )
1539 {
1540         struct berval *bv = NULL;
1541
1542         if ( op->oq_extended.rs_reqdata != NULL ) {
1543                 /* no request data should be provided */
1544                 rs->sr_text = "no request data expected";
1545                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1546         }
1547
1548         rs->sr_err = backend_check_restrictions( op, rs,
1549                         (struct berval *)&slap_EXOP_WHOAMI );
1550         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1551
1552         /* if auth'd by back-ldap and request is proxied, forward it */
1553         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)) {
1554                 struct ldapconn *lc;
1555
1556                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1557                 LDAPMessage *res;
1558                 Operation op2 = *op;
1559                 ber_int_t msgid;
1560                 int doretry = 1;
1561
1562                 ctrls[0] = &c;
1563                 op2.o_ndn = op->o_conn->c_ndn;
1564                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1565                 if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) {
1566                         return -1;
1567                 }
1568                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1569                 c.ldctl_iscritical = 1;
1570                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
1571                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1572                 strcpy(c.ldctl_value.bv_val, "dn:");
1573                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
1574
1575 retry:
1576                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
1577                 if (rs->sr_err == LDAP_SUCCESS) {
1578                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
1579                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1580                                         &rs->sr_err);
1581                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1582                                         doretry = 0;
1583                                         if ( ldap_back_retry( lc, op, rs, LDAP_BACK_SENDERR ) )
1584                                                 goto retry;
1585                                 }
1586                                 ldap_back_freeconn( op, lc );
1587                                 lc = NULL;
1588
1589                         } else {
1590                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
1591                                 ldap_msgfree(res);
1592                         }
1593                 }
1594                 ch_free(c.ldctl_value.bv_val);
1595                 if (rs->sr_err != LDAP_SUCCESS) {
1596                         rs->sr_err = slap_map_api2result( rs );
1597                 }
1598
1599                 if ( lc != NULL ) {
1600                         ldap_back_release_conn( &op2, rs, lc );
1601                 }
1602
1603         } else {
1604         /* else just do the same as before */
1605                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
1606                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1607                         bv->bv_len = op->o_dn.bv_len + STRLENOF("dn:");
1608                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1609                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF("dn:") );
1610                         AC_MEMCPY( &bv->bv_val[STRLENOF("dn:")], op->o_dn.bv_val,
1611                                 op->o_dn.bv_len );
1612                         bv->bv_val[bv->bv_len] = '\0';
1613                 } else {
1614                         bv->bv_len = 0;
1615                         bv->bv_val = NULL;
1616                 }
1617         }
1618
1619         rs->sr_rspdata = bv;
1620         return rs->sr_err;
1621 }
1622
1623
1624 static int
1625 parse_idassert(
1626     BackendDB   *be,
1627     const char  *fname,
1628     int         lineno,
1629     int         argc,
1630     char        **argv
1631 )
1632 {
1633         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1634
1635         /* identity assertion mode */
1636         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
1637                 if ( argc < 2 ) {
1638                         Debug( LDAP_DEBUG_ANY,
1639                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
1640                                 fname, lineno, argc );
1641                         return 1;
1642                 }
1643
1644                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
1645                         /* will proxyAuthz as client's identity only if bound */
1646                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
1647
1648                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
1649                         /* will proxyAuthz as client's identity */
1650                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
1651
1652                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
1653                         /* will proxyAuthz as anonymous */
1654                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
1655
1656                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
1657                         /* will not proxyAuthz */
1658                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
1659
1660                 } else {
1661                         struct berval   id;
1662                         int             rc;
1663
1664                         /* will proxyAuthz as argv[1] */
1665                         ber_str2bv( argv[1], 0, 0, &id );
1666
1667                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
1668                                 /* force lowercase... */
1669                                 id.bv_val[0] = 'u';
1670                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
1671                                 ber_dupbv( &li->idassert_authzID, &id );
1672
1673                         } else {
1674                                 struct berval   dn;
1675
1676                                 /* default is DN? */
1677                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1678                                         id.bv_val += STRLENOF( "dn:" );
1679                                         id.bv_len -= STRLENOF( "dn:" );
1680                                 }
1681
1682                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
1683                                 if ( rc != LDAP_SUCCESS ) {
1684                                         Debug( LDAP_DEBUG_ANY,
1685                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1686                                                 fname, lineno, argv[1] );
1687                                         return 1;
1688                                 }
1689
1690                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
1691                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
1692                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1693                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
1694                                 ch_free( dn.bv_val );
1695
1696                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
1697                         }
1698                 }
1699
1700                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
1701                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
1702                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1703
1704                         } else {
1705                                 Debug( LDAP_DEBUG_ANY,
1706                                         "%s: line %d: unknown flag \"%s\" "
1707                                         "in \"idassert-mode <args> "
1708                                         "[<flags>]\" line.\n",
1709                                         fname, lineno, argv[0] );
1710                                 return 1;
1711                         }
1712                 }
1713
1714         /* name to use for proxyAuthz propagation */
1715         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
1716                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
1717         {
1718                 struct berval   dn;
1719                 int             rc;
1720
1721                 /* FIXME: "proxyauthzdn" is no longer documented, and
1722                  * temporarily supported for backwards compatibility */
1723
1724                 if ( argc != 2 ) {
1725                         fprintf( stderr,
1726         "%s: line %d: missing name in \"%s <name>\" line\n",
1727                             fname, lineno, argv[0] );
1728                         return( 1 );
1729                 }
1730
1731                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1732                         fprintf( stderr, "%s: line %d: "
1733                                         "authcDN already defined; replacing...\n",
1734                                         fname, lineno );
1735                         ch_free( li->idassert_authcDN.bv_val );
1736                 }
1737
1738                 ber_str2bv( argv[1], 0, 0, &dn );
1739                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1740                 if ( rc != LDAP_SUCCESS ) {
1741                         Debug( LDAP_DEBUG_ANY,
1742                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1743                                 fname, lineno, argv[1] );
1744                         return 1;
1745                 }
1746
1747         /* password to use for proxyAuthz propagation */
1748         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
1749                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
1750         {
1751                 /* FIXME: "proxyauthzpw" is no longer documented, and
1752                  * temporarily supported for backwards compatibility */
1753
1754                 if ( argc != 2 ) {
1755                         fprintf( stderr,
1756         "%s: line %d: missing password in \"%s <password>\" line\n",
1757                             fname, lineno, argv[0] );
1758                         return( 1 );
1759                 }
1760
1761                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1762                         fprintf( stderr, "%s: line %d: "
1763                                         "passwd already defined; replacing...\n",
1764                                         fname, lineno );
1765                         ch_free( li->idassert_passwd.bv_val );
1766                 }
1767
1768                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
1769
1770         /* rules to accept identity assertion... */
1771         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
1772                 struct berval   rule;
1773
1774                 ber_str2bv( argv[1], 0, 1, &rule );
1775
1776                 ber_bvarray_add( &li->idassert_authz, &rule );
1777
1778         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
1779                 char    *argv1;
1780
1781                 if ( argc < 2 ) {
1782                         fprintf( stderr,
1783         "%s: line %d: missing method in \"%s <method>\" line\n",
1784                             fname, lineno, argv[0] );
1785                         return( 1 );
1786                 }
1787
1788                 argv1 = argv[1];
1789                 if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) {
1790                         argv1 += STRLENOF( "bindmethod=" );
1791                 }
1792
1793                 if ( strcasecmp( argv1, "none" ) == 0 ) {
1794                         /* FIXME: is this at all useful? */
1795                         li->idassert_authmethod = LDAP_AUTH_NONE;
1796
1797                         if ( argc != 2 ) {
1798                                 fprintf( stderr,
1799         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
1800                                         fname, lineno, argv[0], argv[1] );
1801                         }
1802
1803                 } else if ( strcasecmp( argv1, "simple" ) == 0 ) {
1804                         int     arg;
1805
1806                         for ( arg = 2; arg < argc; arg++ ) {
1807                                 if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
1808                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
1809                                         struct berval   dn;
1810                                         int             rc;
1811
1812                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1813                                                 fprintf( stderr, "%s: line %d: "
1814                                                                 "SASL authcDN already defined; replacing...\n",
1815                                                                 fname, lineno );
1816                                                 ch_free( li->idassert_authcDN.bv_val );
1817                                         }
1818                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1819                                                 val += STRLENOF( "dn:" );
1820                                         }
1821
1822                                         ber_str2bv( val, 0, 0, &dn );
1823                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1824                                         if ( rc != LDAP_SUCCESS ) {
1825                                                 Debug( LDAP_DEBUG_ANY,
1826                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
1827                                                         fname, lineno, val );
1828                                                 return 1;
1829                                         }
1830
1831                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
1832                                         char    *val = argv[arg] + STRLENOF( "cred=" );
1833
1834                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1835                                                 fprintf( stderr, "%s: line %d: "
1836                                                                 "SASL cred already defined; replacing...\n",
1837                                                                 fname, lineno );
1838                                                 ch_free( li->idassert_passwd.bv_val );
1839                                         }
1840                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
1841
1842                                 } else {
1843                                         fprintf( stderr, "%s: line %d: "
1844                                                         "unknown parameter %s\n",
1845                                                         fname, lineno, argv[arg] );
1846                                         return 1;
1847                                 }
1848                         }
1849
1850                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
1851
1852                 } else if ( strcasecmp( argv1, "sasl" ) == 0 ) {
1853 #ifdef HAVE_CYRUS_SASL
1854                         int     arg;
1855
1856                         for ( arg = 2; arg < argc; arg++ ) {
1857                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
1858                                         char    *val = argv[arg] + STRLENOF( "mech=" );
1859
1860                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
1861                                                 fprintf( stderr, "%s: line %d: "
1862                                                                 "SASL mech already defined; replacing...\n",
1863                                                                 fname, lineno );
1864                                                 ch_free( li->idassert_sasl_mech.bv_val );
1865                                         }
1866                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
1867
1868                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
1869                                         char    *val = argv[arg] + STRLENOF( "realm=" );
1870
1871                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
1872                                                 fprintf( stderr, "%s: line %d: "
1873                                                                 "SASL realm already defined; replacing...\n",
1874                                                                 fname, lineno );
1875                                                 ch_free( li->idassert_sasl_realm.bv_val );
1876                                         }
1877                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
1878
1879                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
1880                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
1881                                         struct berval   dn;
1882                                         int             rc;
1883
1884                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1885                                                 fprintf( stderr, "%s: line %d: "
1886                                                                 "SASL authcDN already defined; replacing...\n",
1887                                                                 fname, lineno );
1888                                                 ch_free( li->idassert_authcDN.bv_val );
1889                                         }
1890                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1891                                                 val += STRLENOF( "dn:" );
1892                                         }
1893
1894                                         ber_str2bv( val, 0, 0, &dn );
1895                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1896                                         if ( rc != LDAP_SUCCESS ) {
1897                                                 Debug( LDAP_DEBUG_ANY,
1898                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
1899                                                         fname, lineno, val );
1900                                                 return 1;
1901                                         }
1902
1903                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
1904                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
1905
1906                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
1907                                                 fprintf( stderr, "%s: line %d: "
1908                                                                 "SASL authcID already defined; replacing...\n",
1909                                                                 fname, lineno );
1910                                                 ch_free( li->idassert_authcID.bv_val );
1911                                         }
1912                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
1913                                                 val += STRLENOF( "u:" );
1914                                         }
1915                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
1916
1917                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
1918                                         char    *val = argv[arg] + STRLENOF( "cred=" );
1919
1920                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1921                                                 fprintf( stderr, "%s: line %d: "
1922                                                                 "SASL cred already defined; replacing...\n",
1923                                                                 fname, lineno );
1924                                                 ch_free( li->idassert_passwd.bv_val );
1925                                         }
1926                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
1927
1928                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1929                                         char    *val = argv[arg] + STRLENOF( "authz=" );
1930
1931                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
1932                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1933
1934                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
1935                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1936
1937                                         } else {
1938                                                 fprintf( stderr, "%s: line %d: "
1939                                                         "unknown authz mode \"%s\"\n",
1940                                                         fname, lineno, val );
1941                                                 return 1;
1942                                         }
1943
1944                                 } else {
1945                                         fprintf( stderr, "%s: line %d: "
1946                                                         "unknown SASL parameter %s\n",
1947                                                         fname, lineno, argv[arg] );
1948                                         return 1;
1949                                 }
1950                         }
1951
1952                         li->idassert_authmethod = LDAP_AUTH_SASL;
1953
1954 #else /* !HAVE_CYRUS_SASL */
1955                         fprintf( stderr, "%s: line %d: "
1956                                         "compile --with-cyrus-sasl to enable SASL auth\n",
1957                                         fname, lineno );
1958                         return 1;
1959 #endif /* !HAVE_CYRUS_SASL */
1960
1961                 } else {
1962                         fprintf( stderr, "%s: line %d: "
1963                                         "unhandled idassert-method method %s\n",
1964                                         fname, lineno, argv[1] );
1965                         return 1;
1966                 }
1967
1968         } else {
1969                 return SLAP_CONF_UNKNOWN;
1970         }
1971
1972         return 0;
1973 }
1974
1975 static int
1976 parse_acl_auth(
1977     BackendDB   *be,
1978     const char  *fname,
1979     int         lineno,
1980     int         argc,
1981     char        **argv
1982 )
1983 {
1984         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1985
1986         /* name to use for remote ACL access */
1987         if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
1988                         || strcasecmp( argv[0], "binddn" ) == 0 )
1989         {
1990                 struct berval   dn;
1991                 int             rc;
1992
1993                 /* FIXME: "binddn" is no longer documented, and
1994                  * temporarily supported for backwards compatibility */
1995
1996                 if ( argc != 2 ) {
1997                         fprintf( stderr,
1998         "%s: line %d: missing name in \"%s <name>\" line\n",
1999                             fname, lineno, argv[0] );
2000                         return( 1 );
2001                 }
2002
2003                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
2004                         fprintf( stderr, "%s: line %d: "
2005                                         "authcDN already defined; replacing...\n",
2006                                         fname, lineno );
2007                         ch_free( li->acl_authcDN.bv_val );
2008                 }
2009
2010                 ber_str2bv( argv[1], 0, 0, &dn );
2011                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
2012                 if ( rc != LDAP_SUCCESS ) {
2013                         Debug( LDAP_DEBUG_ANY,
2014                                 "%s: line %d: acl ID \"%s\" is not a valid DN\n",
2015                                 fname, lineno, argv[1] );
2016                         return 1;
2017                 }
2018
2019         /* password to use for remote ACL access */
2020         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
2021                         || strcasecmp( argv[0], "bindpw" ) == 0 )
2022         {
2023                 /* FIXME: "bindpw" is no longer documented, and
2024                  * temporarily supported for backwards compatibility */
2025
2026                 if ( argc != 2 ) {
2027                         fprintf( stderr,
2028         "%s: line %d: missing password in \"%s <password>\" line\n",
2029                             fname, lineno, argv[0] );
2030                         return( 1 );
2031                 }
2032
2033                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
2034                         fprintf( stderr, "%s: line %d: "
2035                                         "passwd already defined; replacing...\n",
2036                                         fname, lineno );
2037                         ch_free( li->acl_passwd.bv_val );
2038                 }
2039
2040                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
2041
2042         } else if ( strcasecmp( argv[0], "acl-method" ) == 0 ) {
2043                 char    *argv1;
2044
2045                 if ( argc < 2 ) {
2046                         fprintf( stderr,
2047         "%s: line %d: missing method in \"%s <method>\" line\n",
2048                             fname, lineno, argv[0] );
2049                         return( 1 );
2050                 }
2051
2052                 argv1 = argv[1];
2053                 if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) {
2054                         argv1 += STRLENOF( "bindmethod=" );
2055                 }
2056
2057                 if ( strcasecmp( argv1, "none" ) == 0 ) {
2058                         /* FIXME: is this at all useful? */
2059                         li->acl_authmethod = LDAP_AUTH_NONE;
2060
2061                         if ( argc != 2 ) {
2062                                 fprintf( stderr,
2063         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
2064                                         fname, lineno, argv[0], argv[1] );
2065                         }
2066
2067                 } else if ( strcasecmp( argv1, "simple" ) == 0 ) {
2068                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
2069
2070                         if ( argc != 2 ) {
2071                                 fprintf( stderr,
2072         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
2073                                         fname, lineno, argv[0], argv[1] );
2074                         }
2075
2076                 } else if ( strcasecmp( argv1, "sasl" ) == 0 ) {
2077 #ifdef HAVE_CYRUS_SASL
2078                         int     arg;
2079
2080                         for ( arg = 2; arg < argc; arg++ ) {
2081                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
2082                                         char    *val = argv[arg] + STRLENOF( "mech=" );
2083
2084                                         if ( !BER_BVISNULL( &li->acl_sasl_mech ) ) {
2085                                                 fprintf( stderr, "%s: line %d: "
2086                                                                 "SASL mech already defined; replacing...\n",
2087                                                                 fname, lineno );
2088                                                 ch_free( li->acl_sasl_mech.bv_val );
2089                                         }
2090                                         ber_str2bv( val, 0, 1, &li->acl_sasl_mech );
2091
2092                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
2093                                         char    *val = argv[arg] + STRLENOF( "realm=" );
2094
2095                                         if ( !BER_BVISNULL( &li->acl_sasl_realm ) ) {
2096                                                 fprintf( stderr, "%s: line %d: "
2097                                                                 "SASL realm already defined; replacing...\n",
2098                                                                 fname, lineno );
2099                                                 ch_free( li->acl_sasl_realm.bv_val );
2100                                         }
2101                                         ber_str2bv( val, 0, 1, &li->acl_sasl_realm );
2102
2103                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
2104                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
2105                                         struct berval   dn;
2106                                         int             rc;
2107
2108                                         if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
2109                                                 fprintf( stderr, "%s: line %d: "
2110                                                                 "SASL authcDN already defined; replacing...\n",
2111                                                                 fname, lineno );
2112                                                 ch_free( li->acl_authcDN.bv_val );
2113                                         }
2114                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
2115                                                 val += STRLENOF( "dn:" );
2116                                         }
2117
2118                                         ber_str2bv( val, 0, 0, &dn );
2119                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
2120                                         if ( rc != LDAP_SUCCESS ) {
2121                                                 Debug( LDAP_DEBUG_ANY,
2122                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
2123                                                         fname, lineno, val );
2124                                                 return 1;
2125                                         }
2126
2127                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
2128                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
2129
2130                                         if ( !BER_BVISNULL( &li->acl_authcID ) ) {
2131                                                 fprintf( stderr, "%s: line %d: "
2132                                                                 "SASL authcID already defined; replacing...\n",
2133                                                                 fname, lineno );
2134                                                 ch_free( li->acl_authcID.bv_val );
2135                                         }
2136                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
2137                                                 val += STRLENOF( "u:" );
2138                                         }
2139                                         ber_str2bv( val, 0, 1, &li->acl_authcID );
2140
2141                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
2142                                         char    *val = argv[arg] + STRLENOF( "cred=" );
2143
2144                                         if ( !BER_BVISNULL( &li->acl_passwd ) ) {
2145                                                 fprintf( stderr, "%s: line %d: "
2146                                                                 "SASL cred already defined; replacing...\n",
2147                                                                 fname, lineno );
2148                                                 ch_free( li->acl_passwd.bv_val );
2149                                         }
2150                                         ber_str2bv( val, 0, 1, &li->acl_passwd );
2151
2152                                 } else {
2153                                         fprintf( stderr, "%s: line %d: "
2154                                                         "unknown SASL parameter %s\n",
2155                                                         fname, lineno, argv[arg] );
2156                                         return 1;
2157                                 }
2158                         }
2159
2160                         li->acl_authmethod = LDAP_AUTH_SASL;
2161
2162 #else /* !HAVE_CYRUS_SASL */
2163                         fprintf( stderr, "%s: line %d: "
2164                                         "compile --with-cyrus-sasl to enable SASL auth\n",
2165                                         fname, lineno );
2166                         return 1;
2167 #endif /* !HAVE_CYRUS_SASL */
2168
2169                 } else {
2170                         fprintf( stderr, "%s: line %d: "
2171                                         "unhandled acl-method method %s\n",
2172                                         fname, lineno, argv[1] );
2173                         return 1;
2174                 }
2175
2176         } else {
2177                 return SLAP_CONF_UNKNOWN;
2178         }
2179
2180         return 0;
2181 }
2182