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                 char            **urllist;
 593                 int             urlrc, i;
 594
 595                 if ( c->argc != 2 ) {
 596                         fprintf( stderr, "%s: line %d: "
 597                                         "missing uri "
 598                                         "in \"uri <uri>\" line\n",
 599                                         c->fname, c->lineno );
 600                         return 1;
 601                 }
 602
 603                 if ( li->url != NULL ) {
 604                         ch_free( li->url );
 605                 }
 606
 607                 if ( li->lud != NULL ) {
 608                         ldap_free_urllist( li->lud );
 609                 }
 610
 611 #if 0
 612                 /* PARANOID: DN and more are not required nor allowed */
 613                 urlrc = ldap_url_parselist_ext( &li->lud, c->value_string, "\t" );
 614 #else
 615                 urlrc = ldap_url_parselist( &li->lud, c->value_string );
 616 #endif
 617                 if ( urlrc != LDAP_URL_SUCCESS ) {
 618                         char    *why;
 619
 620                         switch ( urlrc ) {
 621                         case LDAP_URL_ERR_MEM:
 622                                 why = "no memory";
 623                                 break;
 624                         case LDAP_URL_ERR_PARAM:
 625                                 why = "parameter is bad";
 626                                 break;
 627                         case LDAP_URL_ERR_BADSCHEME:
 628                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 629                                 break;
 630                         case LDAP_URL_ERR_BADENCLOSURE:
 631                                 why = "URL is missing trailing \">\"";
 632                                 break;
 633                         case LDAP_URL_ERR_BADURL:
 634                                 why = "URL is bad";
 635                         case LDAP_URL_ERR_BADHOST:
 636                                 why = "host/port is bad";
 637                                 break;
 638                         case LDAP_URL_ERR_BADATTRS:
 639                                 why = "bad (or missing) attributes";
 640                                 break;
 641                         case LDAP_URL_ERR_BADSCOPE:
 642                                 why = "scope string is invalid (or missing)";
 643                                 break;
 644                         case LDAP_URL_ERR_BADFILTER:
 645                                 why = "bad or missing filter";
 646                                 break;
 647                         case LDAP_URL_ERR_BADEXTS:
 648                                 why = "bad or missing extensions";
 649                                 break;
 650                         default:
 651                                 why = "unknown reason";
 652                                 break;
 653                         }
 654                         fprintf( stderr, "%s: line %d: "
 655                                         "unable to parse uri \"%s\" "
 656                                         "in \"uri <uri>\" line: %s\n",
 657                                         c->fname, c->lineno, c->value_string, why );
 658                         return 1;
 659                 }
 660
 661                 for ( i = 0, tmpludp = li->lud;
 662                                 tmpludp;
 663                                 i++, tmpludp = tmpludp->lud_next )
 664                 {
 665                         if ( ( tmpludp->lud_dn != NULL
 666                                                 && tmpludp->lud_dn[0] != '\0' )
 667                                         || tmpludp->lud_attrs != NULL
 668                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 669                                         || tmpludp->lud_filter != NULL
 670                                         || tmpludp->lud_exts != NULL )
 671                         {
 672                                 fprintf( stderr, "%s: line %d: "
 673                                                 "warning, only protocol, "
 674                                                 "host and port allowed "
 675                                                 "in \"uri <uri>\" statement "
 676                                                 "for uri #%d of \"%s\"\n",
 677                                                 c->fname, c->lineno, i, c->value_string );
 678                         }
 679                 }
 680
 681 #if 0
 682                 for ( i = 0, tmpludp = li->lud;
 683                                 tmpludp;
 684                                 i++, tmpludp = tmpludp->lud_next )
 685                         /* just count */
 686
 687                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 688
 689                 for ( i = 0, tmpludp = li->lud;
 690                                 tmpludp;
 691                                 i++, tmpludp = tmpludp->lud_next )
 692                 {
 693                         LDAPURLDesc     tmplud;
 694                         ber_len_t       oldlen = 0, len;
 695
 696                         tmplud = *tmpludp;
 697                         tmplud.lud_dn = "";
 698                         tmplud.lud_attrs = NULL;
 699                         tmplud.lud_filter = NULL;
 700                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 701                                 tmplud.lud_exts = NULL;
 702                                 tmplud.lud_crit_exts = 0;
 703                         }
 704
 705                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 706
 707                         if ( urllist[ i ] == NULL ) {
 708                                 fprintf( stderr, "%s: line %d: "
 709                                         "unable to rebuild uri "
 710                                         "in \"uri <uri>\" statement "
 711                                         "for \"%s\"\n",
 712                                         c->fname, c->lineno, argv[ 1 ] );
 713                                 return 1;
 714                         }
 715                 }
 716
 717                 li->url = ldap_charray2str( urllist, " " );
 718                 ldap_charray_free( urllist );
 719 #else
 720                 li->url = ch_strdup( c->value_string );
 721 #endif
 722                 break;
 723         }
 724
 725         case LDAP_BACK_CFG_TLS:
 726                 i = verb_to_mask( c->argv[1], tls_mode );
 727                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 728                         return 1;
 729                 }
 730                 li->flags &= ~LDAP_BACK_F_TLS_MASK;
 731                 li->flags |= tls_mode[i].mask;
 732                 break;
 733
 734         case LDAP_BACK_CFG_ACL_AUTHCDN:
 735                 switch ( li->acl_authmethod ) {
 736                 case LDAP_AUTH_NONE:
 737                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
 738                         break;
 739
 740                 case LDAP_AUTH_SIMPLE:
 741                         break;
 742
 743                 default:
 744                         fprintf( stderr, "%s: line %d: "
 745                                 "\"acl-authcDN <DN>\" incompatible "
 746                                 "with auth method %d.",
 747                                 c->fname, c->lineno, li->acl_authmethod );
 748                         return 1;
 749                 }
 750                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 751                         free( li->acl_authcDN.bv_val );
 752                 }
 753                 li->acl_authcDN = c->value_ndn;
 754                 break;
 755
 756         case LDAP_BACK_CFG_ACL_PASSWD:
 757                 switch ( li->acl_authmethod ) {
 758                 case LDAP_AUTH_NONE:
 759                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
 760                         break;
 761
 762                 case LDAP_AUTH_SIMPLE:
 763                         break;
 764
 765                 default:
 766                         fprintf( stderr, "%s: line %d: "
 767                                 "\"acl-passwd <cred>\" incompatible "
 768                                 "with auth method %d.",
 769                                 c->fname, c->lineno, li->acl_authmethod );
 770                         return 1;
 771                 }
 772                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 773                         free( li->acl_passwd.bv_val );
 774                 }
 775                 li->acl_passwd = c->value_bv;
 776                 break;
 777
 778         case LDAP_BACK_CFG_ACL_METHOD:
 779         case LDAP_BACK_CFG_ACL_BIND:
 780                 for ( i = 1; i < c->argc; i++ ) {
 781                         if ( bindconf_parse( c->argv[ i ], &li->acl_sb ) ) {
 782                                 return 1;
 783                         }
 784                 }
 785                 break;
 786
 787         case LDAP_BACK_CFG_IDASSERT_MODE:
 788                 i = verb_to_mask( c->argv[1], idassert_mode );
 789                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 790                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 791                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 792                                 ber_str2bv( c->argv[1], 0, 1, &li->idassert_authzID );
 793                                 li->idassert_authzID.bv_val[ 0 ] = 'u';
 794
 795                         } else {
 796                                 struct berval   id, ndn;
 797
 798                                 ber_str2bv( c->argv[1], 0, 0, &id );
 799
 800                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 801                                         id.bv_val += STRLENOF( "dn:" );
 802                                         id.bv_len -= STRLENOF( "dn:" );
 803                                 }
 804
 805                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 806                                 if ( rc != LDAP_SUCCESS ) {
 807                                         Debug( LDAP_DEBUG_ANY,
 808                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 809                                                 c->fname, c->lineno, c->argv[1] );
 810                                         return 1;
 811                                 }
 812
 813                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 814                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 815                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 816                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 817                                 ch_free( ndn.bv_val );
 818
 819                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 820                         }
 821
 822                 } else {
 823                         li->idassert_mode = idassert_mode[i].mask;
 824                 }
 825
 826                 if ( c->argc > 2 ) {
 827                         int     i;
 828
 829                         for ( i = 2; i < c->argc; i++ ) {
 830                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 831                                         li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 832
 833                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 834                                         li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 835
 836                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 837                                         li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 838
 839                                 } else {
 840                                         Debug( LDAP_DEBUG_ANY,
 841                                                 "%s: line %d: unknown flag #%d "
 842                                                 "in \"idassert-mode <args> "
 843                                                 "[<flags>]\" line.\n",
 844                                                 c->fname, c->lineno, i - 2 );
 845                                         return 1;
 846                                 }
 847                         }
 848                 }
 849                 break;
 850
 851         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 852                 switch ( li->idassert_authmethod ) {
 853                 case LDAP_AUTH_NONE:
 854                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 855                         break;
 856
 857                 case LDAP_AUTH_SIMPLE:
 858                         break;
 859
 860                 default:
 861                         fprintf( stderr, "%s: line %d: "
 862                                 "\"idassert-authcDN <DN>\" incompatible "
 863                                 "with auth method %d.",
 864                                 c->fname, c->lineno, li->idassert_authmethod );
 865                         return 1;
 866                 }
 867                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 868                         free( li->idassert_authcDN.bv_val );
 869                 }
 870                 li->idassert_authcDN = c->value_ndn;
 871                 break;
 872
 873         case LDAP_BACK_CFG_IDASSERT_PASSWD:
 874                 switch ( li->idassert_authmethod ) {
 875                 case LDAP_AUTH_NONE:
 876                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 877                         break;
 878
 879                 case LDAP_AUTH_SIMPLE:
 880                         break;
 881
 882                 default:
 883                         fprintf( stderr, "%s: line %d: "
 884                                 "\"idassert-passwd <cred>\" incompatible "
 885                                 "with auth method %d.",
 886                                 c->fname, c->lineno, li->idassert_authmethod );
 887                         return 1;
 888                 }
 889                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 890                         free( li->idassert_passwd.bv_val );
 891                 }
 892                 li->idassert_passwd = c->value_bv;
 893                 break;
 894
 895         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 896                 ber_bvarray_add( &li->idassert_authz, &c->value_bv );
 897                 break;
 898
 899         case LDAP_BACK_CFG_IDASSERT_METHOD:
 900                 /* no longer supported */
 901                 fprintf( stderr, "%s: %d: "
 902                         "\"idassert-method <args>\": "
 903                         "no longer supported; use \"idassert-bind\".\n",
 904                         c->fname, c->lineno );
 905                 return 1;
 906
 907         case LDAP_BACK_CFG_IDASSERT_BIND:
 908                 for ( i = 1; i < c->argc; i++ ) {
 909                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
 910                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
 911                                 int     j;
 912
 913                                 j = verb_to_mask( argvi, idassert_mode );
 914                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
 915                                         fprintf( stderr, "%s: %d: "
 916                                                 "\"idassert-bind <args>\": "
 917                                                 "unknown mode \"%s\".\n",
 918                                                 c->fname, c->lineno, argvi );
 919                                         return 1;
 920                                 }
 921
 922                                 li->idassert_mode = idassert_mode[ j ].mask;
 923
 924                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 925                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
 926
 927                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
 928                                         if ( li->idassert_authmethod != LDAP_AUTH_SASL ) {
 929                                                 fprintf( stderr, "%s: %d: "
 930                                                         "\"idassert-bind <args>\": "
 931                                                         "authz=\"native\" incompatible "
 932                                                         "with auth method.\n",
 933                                                         c->fname, c->lineno );
 934                                                 return 1;
 935                                         }
 936                                         li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 937
 938                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
 939                                         li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 940
 941                                 } else {
 942                                         fprintf( stderr, "%s: %d: "
 943                                                 "\"idassert-bind <args>\": "
 944                                                 "unknown authz \"%s\".\n",
 945                                                 c->fname, c->lineno, argvi );
 946                                         return 1;
 947                                 }
 948
 949                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
 950                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
 951                                 char    **flags = ldap_str2charray( argvi, "," );
 952                                 int     j;
 953
 954                                 if ( flags == NULL ) {
 955                                         fprintf( stderr, "%s: %d: "
 956                                                 "\"idassert-bind <args>\": "
 957                                                 "unable to parse flags \"%s\".\n",
 958                                                 c->fname, c->lineno, argvi );
 959                                         return 1;
 960                                 }
 961
 962                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
 963                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
 964                                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 965
 966                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
 967                                                 li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 968
 969                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
 970                                                 li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 971
 972                                         } else {
 973                                                 fprintf( stderr, "%s: %d: "
 974                                                         "\"idassert-bind <args>\": "
 975                                                         "unknown flag \"%s\".\n",
 976                                                         c->fname, c->lineno, flags[ j ] );
 977                                                 return 1;
 978                                         }
 979                                 }
 980
 981                                 ldap_charray_free( flags );
 982
 983                         } else if ( bindconf_parse( c->argv[ i ], &li->idassert_sb ) ) {
 984                                 return 1;
 985                         }
 986                 }
 987                 break;
 988
 989         case LDAP_BACK_CFG_REBIND: {
 990                 int     dorebind = 0;
 991
 992                 if ( c->argc == 1 ) {
 993                         /* legacy */
 994                         dorebind = 1;
 995
 996                 } else {
 997                         i = verb_to_mask( c->argv[1], yn_mode );
 998                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
 999                                 return 1;
1000                         }
1001                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1002                                 dorebind = 1;
1003                         }
1004                 }
1005
1006                 if ( dorebind ) {
1007                         li->flags |= LDAP_BACK_F_SAVECRED;
1008
1009                 } else {
1010                         li->flags &= ~LDAP_BACK_F_SAVECRED;
1011                 }
1012                 break;
1013         }
1014
1015         case LDAP_BACK_CFG_CHASE: {
1016                 int     dochase = 0;
1017
1018                 if ( c->argc == 1 ) {
1019                         /* legacy */
1020                         dochase = 1;
1021
1022                 } else {
1023                         i = verb_to_mask( c->argv[1], yn_mode );
1024                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1025                                 return 1;
1026                         }
1027                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1028                                 dochase = 1;
1029                         }
1030                 }
1031
1032                 if ( dochase ) {
1033                         li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
1034
1035                 } else {
1036                         li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1037                 }
1038                 break;
1039         }
1040
1041         case LDAP_BACK_CFG_T_F:
1042                 i = verb_to_mask( c->argv[1], t_f_mode );
1043                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1044                         return 1;
1045                 }
1046                 li->flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1047                 li->flags |= t_f_mode[i].mask;
1048                 break;
1049
1050         case LDAP_BACK_CFG_WHOAMI: {
1051                 int     dowhoami = 0;
1052
1053                 if ( c->argc == 1 ) {
1054                         /* legacy */
1055                         dowhoami = 1;
1056
1057                 } else {
1058                         i = verb_to_mask( c->argv[1], yn_mode );
1059                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1060                                 return 1;
1061                         }
1062                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1063                                 dowhoami = 1;
1064                         }
1065                 }
1066
1067                 if ( dowhoami ) {
1068                         li->flags |= LDAP_BACK_F_PROXY_WHOAMI;
1069
1070                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1071                                         0, ldap_back_exop_whoami );
1072
1073                 } else {
1074                         li->flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1075                 }
1076                 break;
1077         }
1078
1079         case LDAP_BACK_CFG_REWRITE:
1080                 fprintf( stderr, "%s: line %d: "
1081                         "rewrite/remap capabilities have been moved "
1082                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1083                         "for details (hint: add \"overlay rwm\" "
1084                         "and prefix all directives with \"rwm-\").\n",
1085                         c->fname, c->lineno );
1086                 return 1;
1087
1088         default:
1089                 assert( 0 );
1090         }
1091
1092         return 0;
1093 }
1094
1095 int
1096 ldap_back_init_cf( BackendInfo *bi )
1097 {
1098         int                     rc;
1099         AttributeDescription    *ad = NULL;
1100         const char              *text;
1101
1102         bi->bi_cf_ocs = ldapocs;
1103
1104         rc = config_register_schema( ldapcfg, ldapocs );
1105         if ( rc ) {
1106                 return rc;
1107         }
1108
1109         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1110          * to be base64-encoded when written in LDIF form;
1111          * basically, we don't care if it fails */
1112         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1113         if ( rc ) {
1114                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1115                         "warning, unable to get \"olcDbACLPasswd\" "
1116                         "attribute description: %d: %s\n",
1117                         rc, text, 0 );
1118         } else {
1119                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1120                         ad->ad_type->sat_oid );
1121         }
1122
1123         ad = NULL;
1124         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1125         if ( rc ) {
1126                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1127                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1128                         "attribute description: %d: %s\n",
1129                         rc, text, 0 );
1130         } else {
1131                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1132                         ad->ad_type->sat_oid );
1133         }
1134
1135         return 0;
1136 }
1137
1138
1139 static int
1140 parse_idassert( BackendDB *be, const char *fname, int lineno,
1141                 int argc, char **argv );
1142
1143 static int
1144 parse_acl_auth( BackendDB *be, const char *fname, int lineno,
1145                 int argc, char **argv );
1146
1147 int
1148 ldap_back_db_config(
1149                 BackendDB       *be,
1150                 const char      *fname,
1151                 int             lineno,
1152                 int             argc,
1153                 char            **argv )
1154 {
1155         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1156
1157         if ( li == NULL ) {
1158                 fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
1159                                 fname, lineno );
1160                 return 1;
1161         }
1162
1163         /* server address to query (no longer supported, use "uri" directive) */
1164         if ( strcasecmp( argv[0], "server" ) == 0 ) {
1165                 fprintf( stderr,
1166         "%s: line %d: \"server <address>\" directive is no longer supported.\n",
1167                                         fname, lineno );
1168                 return 1;
1169
1170         /* URI of server to query (obsoletes "server" directive) */
1171         } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
1172                 LDAPURLDesc     *tmpludp;
1173                 char            **urllist;
1174                 int             urlrc, i;
1175
1176                 if ( argc != 2 ) {
1177                         fprintf( stderr, "%s: line %d: "
1178                                         "missing uri "
1179                                         "in \"uri <uri>\" line\n",
1180                                         fname, lineno );
1181                         return 1;
1182                 }
1183                 if ( li->url != NULL ) {
1184                         ch_free( li->url );
1185                 }
1186                 if ( li->lud != NULL ) {
1187                         ldap_free_urllist( li->lud );
1188                 }
1189
1190 #if 0
1191                 /* PARANOID: DN and more are not required nor allowed */
1192                 urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" );
1193 #else
1194                 urlrc = ldap_url_parselist( &li->lud, argv[ 1 ] );
1195 #endif
1196                 if ( urlrc != LDAP_URL_SUCCESS ) {
1197                         char    *why;
1198
1199                         switch ( urlrc ) {
1200                         case LDAP_URL_ERR_MEM:
1201                                 why = "no memory";
1202                                 break;
1203                         case LDAP_URL_ERR_PARAM:
1204                                 why = "parameter is bad";
1205                                 break;
1206                         case LDAP_URL_ERR_BADSCHEME:
1207                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
1208                                 break;
1209                         case LDAP_URL_ERR_BADENCLOSURE:
1210                                 why = "URL is missing trailing \">\"";
1211                                 break;
1212                         case LDAP_URL_ERR_BADURL:
1213                                 why = "URL is bad";
1214                         case LDAP_URL_ERR_BADHOST:
1215                                 why = "host/port is bad";
1216                                 break;
1217                         case LDAP_URL_ERR_BADATTRS:
1218                                 why = "bad (or missing) attributes";
1219                                 break;
1220                         case LDAP_URL_ERR_BADSCOPE:
1221                                 why = "scope string is invalid (or missing)";
1222                                 break;
1223                         case LDAP_URL_ERR_BADFILTER:
1224                                 why = "bad or missing filter";
1225                                 break;
1226                         case LDAP_URL_ERR_BADEXTS:
1227                                 why = "bad or missing extensions";
1228                                 break;
1229                         default:
1230                                 why = "unknown reason";
1231                                 break;
1232                         }
1233                         fprintf( stderr, "%s: line %d: "
1234                                         "unable to parse uri \"%s\" "
1235                                         "in \"uri <uri>\" line: %s\n",
1236                                         fname, lineno, argv[ 1 ], why );
1237                         return 1;
1238                 }
1239
1240                 for ( i = 0, tmpludp = li->lud;
1241                                 tmpludp;
1242                                 i++, tmpludp = tmpludp->lud_next )
1243                 {
1244                         if ( ( tmpludp->lud_dn != NULL
1245                                                 && tmpludp->lud_dn[0] != '\0' )
1246                                         || tmpludp->lud_attrs != NULL
1247                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
1248                                         || tmpludp->lud_filter != NULL
1249                                         || tmpludp->lud_exts != NULL )
1250                         {
1251                                 fprintf( stderr, "%s: line %d: "
1252                                                 "warning, only protocol, "
1253                                                 "host and port allowed "
1254                                                 "in \"uri <uri>\" statement "
1255                                                 "for uri #%d of \"%s\"\n",
1256                                                 fname, lineno, i, argv[1] );
1257                         }
1258                 }
1259
1260 #if 0
1261                 for ( i = 0, tmpludp = li->lud;
1262                                 tmpludp;
1263                                 i++, tmpludp = tmpludp->lud_next )
1264                         /* just count */
1265
1266                 urllist = ch_calloc( sizeof( char * ), i + 1 );
1267
1268                 for ( i = 0, tmpludp = li->lud;
1269                                 tmpludp;
1270                                 i++, tmpludp = tmpludp->lud_next )
1271                 {
1272                         LDAPURLDesc     tmplud;
1273                         ber_len_t       oldlen = 0, len;
1274
1275                         tmplud = *tmpludp;
1276                         tmplud.lud_dn = "";
1277                         tmplud.lud_attrs = NULL;
1278                         tmplud.lud_filter = NULL;
1279                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
1280                                 tmplud.lud_exts = NULL;
1281                                 tmplud.lud_crit_exts = 0;
1282                         }
1283
1284                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
1285
1286                         if ( urllist[ i ] == NULL ) {
1287                                 fprintf( stderr, "%s: line %d: "
1288                                         "unable to rebuild uri "
1289                                         "in \"uri <uri>\" statement "
1290                                         "for \"%s\"\n",
1291                                         fname, lineno, argv[ 1 ] );
1292                                 return 1;
1293                         }
1294                 }
1295
1296                 li->url = ldap_charray2str( urllist, " " );
1297                 ldap_charray_free( urllist );
1298 #else
1299                 li->url = ch_strdup( argv[ 1 ] );
1300 #endif
1301
1302         } else if ( strcasecmp( argv[0], "tls" ) == 0 ) {
1303                 if ( argc != 2 ) {
1304                         fprintf( stderr,
1305                 "%s: line %d: \"tls <what>\" needs 1 argument.\n",
1306                                         fname, lineno );
1307                         return( 1 );
1308                 }
1309
1310                 /* none */
1311                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
1312                         li->flags &= ~LDAP_BACK_F_TLS_MASK;
1313
1314                 /* try start tls */
1315                 } else if ( strcasecmp( argv[1], "start" ) == 0 ) {
1316                         li->flags |= LDAP_BACK_F_TLS_USE_MASK;
1317
1318                 /* try start tls */
1319                 } else if ( strcasecmp( argv[1], "try-start" ) == 0 ) {
1320                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
1321                         li->flags |= LDAP_BACK_F_USE_TLS;
1322
1323                 /* propagate start tls */
1324                 } else if ( strcasecmp( argv[1], "propagate" ) == 0 ) {
1325                         li->flags |= LDAP_BACK_F_TLS_PROPAGATE_MASK;
1326
1327                 /* try start tls */
1328                 } else if ( strcasecmp( argv[1], "try-propagate" ) == 0 ) {
1329                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
1330                         li->flags |= LDAP_BACK_F_PROPAGATE_TLS;
1331
1332                 } else {
1333                         fprintf( stderr,
1334                 "%s: line %d: \"tls <what>\": unknown argument \"%s\".\n",
1335                                         fname, lineno, argv[1] );
1336                         return( 1 );
1337                 }
1338
1339         /* remote ACL stuff... */
1340         } else if ( strncasecmp( argv[0], "acl-", STRLENOF( "acl-" ) ) == 0
1341                         || strncasecmp( argv[0], "bind", STRLENOF( "bind" ) ) == 0 )
1342         {
1343                 /* NOTE: "bind{DN,pw}" was initially used; it's now
1344                  * deprected and undocumented, it can be dropped at some
1345                  * point, since nobody should be really using it */
1346                 return parse_acl_auth( be, fname, lineno, argc, argv );
1347
1348         /* identity assertion stuff... */
1349         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
1350                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 )
1351         {
1352                 /* NOTE: "proxyauthz{DN,pw}" was initially used; it's now
1353                  * deprected and undocumented, it can be dropped at some
1354                  * point, since nobody should be really using it */
1355                 return parse_idassert( be, fname, lineno, argc, argv );
1356
1357         /* save bind creds for referral rebinds? */
1358         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
1359                 switch ( argc ) {
1360                 case 1:
1361                         fprintf( stderr,
1362         "%s: line %d: \"rebind-as-user {NO|yes}\": use without args is deprecated.\n",
1363                                 fname, lineno );
1364
1365                         li->flags |= LDAP_BACK_F_SAVECRED;
1366                         break;
1367
1368                 case 2:
1369                         if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1370                                 li->flags |= LDAP_BACK_F_SAVECRED;
1371
1372                         } else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1373                                 li->flags &= ~LDAP_BACK_F_SAVECRED;
1374
1375                         } else {
1376                                 fprintf( stderr,
1377         "%s: line %d: \"rebind-as-user {NO|yes}\": unknown argument \"%s\".\n",
1378                                         fname, lineno, argv[ 1 ] );
1379                                 return( 1 );
1380                         }
1381                         break;
1382
1383                 default:
1384                         fprintf( stderr,
1385         "%s: line %d: \"rebind-as-user {NO|yes}\" needs 1 argument.\n",
1386                                         fname, lineno );
1387                         return( 1 );
1388                 }
1389
1390         } else if ( strcasecmp( argv[0], "chase-referrals" ) == 0 ) {
1391                 if ( argc != 2 ) {
1392                         fprintf( stderr,
1393         "%s: line %d: \"chase-referrals {YES|no}\" needs 1 argument.\n",
1394                                         fname, lineno );
1395                         return( 1 );
1396                 }
1397
1398                 /* this is the default; we add it because the default might change... */
1399                 if ( strcasecmp( argv[1], "yes" ) == 0 ) {
1400                         li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
1401
1402                 } else if ( strcasecmp( argv[1], "no" ) == 0 ) {
1403                         li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1404
1405                 } else {
1406                         fprintf( stderr,
1407                 "%s: line %d: \"chase-referrals {YES|no}\": unknown argument \"%s\".\n",
1408                                         fname, lineno, argv[1] );
1409                         return( 1 );
1410                 }
1411
1412         } else if ( strcasecmp( argv[ 0 ], "t-f-support" ) == 0 ) {
1413                 if ( argc != 2 ) {
1414                         fprintf( stderr,
1415                 "%s: line %d: \"t-f-support {NO|yes|discover}\" needs 1 argument.\n",
1416                                         fname, lineno );
1417                         return( 1 );
1418                 }
1419
1420                 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1421                         li->flags &= ~(LDAP_BACK_F_SUPPORT_T_F|LDAP_BACK_F_SUPPORT_T_F_DISCOVER);
1422
1423                 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1424                         li->flags |= LDAP_BACK_F_SUPPORT_T_F;
1425
1426                 } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
1427                         li->flags |= LDAP_BACK_F_SUPPORT_T_F_DISCOVER;
1428
1429                 } else {
1430                         fprintf( stderr,
1431         "%s: line %d: \"t-f-support {NO|yes|discover}\": unknown argument \"%s\".\n",
1432                                 fname, lineno, argv[ 1 ] );
1433                         return 1;
1434                 }
1435
1436         /* intercept exop_who_am_i? */
1437         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
1438                 int     doload_extop = 0;
1439
1440                 switch ( argc ) {
1441                 case 1:
1442                         fprintf( stderr,
1443         "%s: line %d: \"proxy-whoami {NO|yes}\": use without args is deprecated.\n",
1444                                 fname, lineno );
1445
1446                         doload_extop = 1;
1447                         break;
1448
1449                 case 2:
1450                         if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1451                                 doload_extop = 1;
1452
1453                         } else if ( strcasecmp( argv[ 1 ], "no" ) != 0 ) {
1454                                 fprintf( stderr,
1455         "%s: line %d: \"proxy-whoami {NO|yes}\": unknown argument \"%s\".\n",
1456                                         fname, lineno, argv[ 1 ] );
1457                                 return( 1 );
1458                         }
1459                         break;
1460
1461                 default:
1462                         fprintf( stderr,
1463         "%s: line %d: \"proxy-whoami {NO|yes}\" needs 1 argument.\n",
1464                                         fname, lineno );
1465                         return( 1 );
1466                 }
1467
1468                 if ( doload_extop ) {
1469                         li->flags |= LDAP_BACK_F_PROXY_WHOAMI;
1470
1471                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1472                                         0, ldap_back_exop_whoami );
1473                 }
1474
1475         /* FIXME: legacy: intercept old rewrite/remap directives
1476          * and try to start the rwm overlay */
1477         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
1478                         || strcasecmp( argv[0], "map" ) == 0
1479                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
1480         {
1481 #if 0
1482                 fprintf( stderr, "%s: line %d: "
1483                         "rewrite/remap capabilities have been moved "
1484                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1485                         "for details.  I'm trying to do my best "
1486                         "to preserve backwards compatibility...\n",
1487                         fname, lineno );
1488
1489                 if ( li->rwm_started == 0 ) {
1490                         if ( overlay_config( be, "rwm" ) ) {
1491                                 fprintf( stderr, "%s: line %d: "
1492                                         "unable to configure the \"rwm\" "
1493                                         "overlay, required by directive "
1494                                         "\"%s\".\n",
1495                                         fname, lineno, argv[0] );
1496 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
1497                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
1498 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
1499                                 return( 1 );
1500                         }
1501
1502                         fprintf( stderr, "%s: line %d: back-ldap: "
1503                                 "automatically starting \"rwm\" overlay, "
1504                                 "triggered by \"%s\" directive.\n",
1505                                 fname, lineno, argv[ 0 ] );
1506
1507                 /* this is the default; we add it because the default might change... */
1508                         li->rwm_started = 1;
1509
1510                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
1511                 }
1512 #else
1513                 fprintf( stderr, "%s: line %d: "
1514                         "rewrite/remap capabilities have been moved "
1515                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1516                         "for details (hint: add \"overlay rwm\" "
1517                         "and prefix all directives with \"rwm-\").\n",
1518                         fname, lineno );
1519 #endif
1520
1521                 return 1;
1522
1523         /* anything else */
1524         } else {
1525                 return SLAP_CONF_UNKNOWN;
1526         }
1527
1528         return 0;
1529 }
1530
1531 static int
1532 ldap_back_exop_whoami(
1533                 Operation       *op,
1534                 SlapReply       *rs )
1535 {
1536         struct berval *bv = NULL;
1537
1538         if ( op->oq_extended.rs_reqdata != NULL ) {
1539                 /* no request data should be provided */
1540                 rs->sr_text = "no request data expected";
1541                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1542         }
1543
1544         rs->sr_err = backend_check_restrictions( op, rs,
1545                         (struct berval *)&slap_EXOP_WHOAMI );
1546         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1547
1548         /* if auth'd by back-ldap and request is proxied, forward it */
1549         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)) {
1550                 struct ldapconn *lc;
1551
1552                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1553                 LDAPMessage *res;
1554                 Operation op2 = *op;
1555                 ber_int_t msgid;
1556                 int doretry = 1;
1557
1558                 ctrls[0] = &c;
1559                 op2.o_ndn = op->o_conn->c_ndn;
1560                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1561                 if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) {
1562                         return -1;
1563                 }
1564                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1565                 c.ldctl_iscritical = 1;
1566                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
1567                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1568                 strcpy(c.ldctl_value.bv_val, "dn:");
1569                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
1570
1571 retry:
1572                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
1573                 if (rs->sr_err == LDAP_SUCCESS) {
1574                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
1575                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1576                                         &rs->sr_err);
1577                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1578                                         doretry = 0;
1579                                         if ( ldap_back_retry( lc, op, rs, LDAP_BACK_SENDERR ) )
1580                                                 goto retry;
1581                                 }
1582                                 ldap_back_freeconn( op, lc );
1583                                 lc = NULL;
1584
1585                         } else {
1586                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
1587                                 ldap_msgfree(res);
1588                         }
1589                 }
1590                 ch_free(c.ldctl_value.bv_val);
1591                 if (rs->sr_err != LDAP_SUCCESS) {
1592                         rs->sr_err = slap_map_api2result( rs );
1593                 }
1594
1595                 if ( lc != NULL ) {
1596                         ldap_back_release_conn( &op2, rs, lc );
1597                 }
1598
1599         } else {
1600         /* else just do the same as before */
1601                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
1602                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1603                         bv->bv_len = op->o_dn.bv_len + STRLENOF("dn:");
1604                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1605                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF("dn:") );
1606                         AC_MEMCPY( &bv->bv_val[STRLENOF("dn:")], op->o_dn.bv_val,
1607                                 op->o_dn.bv_len );
1608                         bv->bv_val[bv->bv_len] = '\0';
1609                 } else {
1610                         bv->bv_len = 0;
1611                         bv->bv_val = NULL;
1612                 }
1613         }
1614
1615         rs->sr_rspdata = bv;
1616         return rs->sr_err;
1617 }
1618
1619
1620 static int
1621 parse_idassert(
1622     BackendDB   *be,
1623     const char  *fname,
1624     int         lineno,
1625     int         argc,
1626     char        **argv
1627 )
1628 {
1629         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1630
1631         /* identity assertion mode */
1632         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
1633                 if ( argc < 2 ) {
1634                         Debug( LDAP_DEBUG_ANY,
1635                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
1636                                 fname, lineno, argc );
1637                         return 1;
1638                 }
1639
1640                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
1641                         /* will proxyAuthz as client's identity only if bound */
1642                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
1643
1644                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
1645                         /* will proxyAuthz as client's identity */
1646                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
1647
1648                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
1649                         /* will proxyAuthz as anonymous */
1650                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
1651
1652                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
1653                         /* will not proxyAuthz */
1654                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
1655
1656                 } else {
1657                         struct berval   id;
1658                         int             rc;
1659
1660                         /* will proxyAuthz as argv[1] */
1661                         ber_str2bv( argv[1], 0, 0, &id );
1662
1663                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
1664                                 /* force lowercase... */
1665                                 id.bv_val[0] = 'u';
1666                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
1667                                 ber_dupbv( &li->idassert_authzID, &id );
1668
1669                         } else {
1670                                 struct berval   dn;
1671
1672                                 /* default is DN? */
1673                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1674                                         id.bv_val += STRLENOF( "dn:" );
1675                                         id.bv_len -= STRLENOF( "dn:" );
1676                                 }
1677
1678                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
1679                                 if ( rc != LDAP_SUCCESS ) {
1680                                         Debug( LDAP_DEBUG_ANY,
1681                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1682                                                 fname, lineno, argv[1] );
1683                                         return 1;
1684                                 }
1685
1686                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
1687                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
1688                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1689                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
1690                                 ch_free( dn.bv_val );
1691
1692                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
1693                         }
1694                 }
1695
1696                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
1697                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
1698                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1699
1700                         } else {
1701                                 Debug( LDAP_DEBUG_ANY,
1702                                         "%s: line %d: unknown flag \"%s\" "
1703                                         "in \"idassert-mode <args> "
1704                                         "[<flags>]\" line.\n",
1705                                         fname, lineno, argv[0] );
1706                                 return 1;
1707                         }
1708                 }
1709
1710         /* name to use for proxyAuthz propagation */
1711         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
1712                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
1713         {
1714                 struct berval   dn;
1715                 int             rc;
1716
1717                 /* FIXME: "proxyauthzdn" is no longer documented, and
1718                  * temporarily supported for backwards compatibility */
1719
1720                 if ( argc != 2 ) {
1721                         fprintf( stderr,
1722         "%s: line %d: missing name in \"%s <name>\" line\n",
1723                             fname, lineno, argv[0] );
1724                         return( 1 );
1725                 }
1726
1727                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1728                         fprintf( stderr, "%s: line %d: "
1729                                         "authcDN already defined; replacing...\n",
1730                                         fname, lineno );
1731                         ch_free( li->idassert_authcDN.bv_val );
1732                 }
1733
1734                 ber_str2bv( argv[1], 0, 0, &dn );
1735                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1736                 if ( rc != LDAP_SUCCESS ) {
1737                         Debug( LDAP_DEBUG_ANY,
1738                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1739                                 fname, lineno, argv[1] );
1740                         return 1;
1741                 }
1742
1743         /* password to use for proxyAuthz propagation */
1744         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
1745                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
1746         {
1747                 /* FIXME: "proxyauthzpw" is no longer documented, and
1748                  * temporarily supported for backwards compatibility */
1749
1750                 if ( argc != 2 ) {
1751                         fprintf( stderr,
1752         "%s: line %d: missing password in \"%s <password>\" line\n",
1753                             fname, lineno, argv[0] );
1754                         return( 1 );
1755                 }
1756
1757                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1758                         fprintf( stderr, "%s: line %d: "
1759                                         "passwd already defined; replacing...\n",
1760                                         fname, lineno );
1761                         ch_free( li->idassert_passwd.bv_val );
1762                 }
1763
1764                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
1765
1766         /* rules to accept identity assertion... */
1767         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
1768                 struct berval   rule;
1769
1770                 ber_str2bv( argv[1], 0, 1, &rule );
1771
1772                 ber_bvarray_add( &li->idassert_authz, &rule );
1773
1774         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
1775                 char    *argv1;
1776
1777                 if ( argc < 2 ) {
1778                         fprintf( stderr,
1779         "%s: line %d: missing method in \"%s <method>\" line\n",
1780                             fname, lineno, argv[0] );
1781                         return( 1 );
1782                 }
1783
1784                 argv1 = argv[1];
1785                 if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) {
1786                         argv1 += STRLENOF( "bindmethod=" );
1787                 }
1788
1789                 if ( strcasecmp( argv1, "none" ) == 0 ) {
1790                         /* FIXME: is this at all useful? */
1791                         li->idassert_authmethod = LDAP_AUTH_NONE;
1792
1793                         if ( argc != 2 ) {
1794                                 fprintf( stderr,
1795         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
1796                                         fname, lineno, argv[0], argv[1] );
1797                         }
1798
1799                 } else if ( strcasecmp( argv1, "simple" ) == 0 ) {
1800                         int     arg;
1801
1802                         for ( arg = 2; arg < argc; arg++ ) {
1803                                 if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
1804                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
1805                                         struct berval   dn;
1806                                         int             rc;
1807
1808                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1809                                                 fprintf( stderr, "%s: line %d: "
1810                                                                 "SASL authcDN already defined; replacing...\n",
1811                                                                 fname, lineno );
1812                                                 ch_free( li->idassert_authcDN.bv_val );
1813                                         }
1814                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1815                                                 val += STRLENOF( "dn:" );
1816                                         }
1817
1818                                         ber_str2bv( val, 0, 0, &dn );
1819                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1820                                         if ( rc != LDAP_SUCCESS ) {
1821                                                 Debug( LDAP_DEBUG_ANY,
1822                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
1823                                                         fname, lineno, val );
1824                                                 return 1;
1825                                         }
1826
1827                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
1828                                         char    *val = argv[arg] + STRLENOF( "cred=" );
1829
1830                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1831                                                 fprintf( stderr, "%s: line %d: "
1832                                                                 "SASL cred already defined; replacing...\n",
1833                                                                 fname, lineno );
1834                                                 ch_free( li->idassert_passwd.bv_val );
1835                                         }
1836                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
1837
1838                                 } else {
1839                                         fprintf( stderr, "%s: line %d: "
1840                                                         "unknown parameter %s\n",
1841                                                         fname, lineno, argv[arg] );
1842                                         return 1;
1843                                 }
1844                         }
1845
1846                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
1847
1848                 } else if ( strcasecmp( argv1, "sasl" ) == 0 ) {
1849 #ifdef HAVE_CYRUS_SASL
1850                         int     arg;
1851
1852                         for ( arg = 2; arg < argc; arg++ ) {
1853                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
1854                                         char    *val = argv[arg] + STRLENOF( "mech=" );
1855
1856                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
1857                                                 fprintf( stderr, "%s: line %d: "
1858                                                                 "SASL mech already defined; replacing...\n",
1859                                                                 fname, lineno );
1860                                                 ch_free( li->idassert_sasl_mech.bv_val );
1861                                         }
1862                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
1863
1864                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
1865                                         char    *val = argv[arg] + STRLENOF( "realm=" );
1866
1867                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
1868                                                 fprintf( stderr, "%s: line %d: "
1869                                                                 "SASL realm already defined; replacing...\n",
1870                                                                 fname, lineno );
1871                                                 ch_free( li->idassert_sasl_realm.bv_val );
1872                                         }
1873                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
1874
1875                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
1876                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
1877                                         struct berval   dn;
1878                                         int             rc;
1879
1880                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1881                                                 fprintf( stderr, "%s: line %d: "
1882                                                                 "SASL authcDN already defined; replacing...\n",
1883                                                                 fname, lineno );
1884                                                 ch_free( li->idassert_authcDN.bv_val );
1885                                         }
1886                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1887                                                 val += STRLENOF( "dn:" );
1888                                         }
1889
1890                                         ber_str2bv( val, 0, 0, &dn );
1891                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1892                                         if ( rc != LDAP_SUCCESS ) {
1893                                                 Debug( LDAP_DEBUG_ANY,
1894                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
1895                                                         fname, lineno, val );
1896                                                 return 1;
1897                                         }
1898
1899                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
1900                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
1901
1902                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
1903                                                 fprintf( stderr, "%s: line %d: "
1904                                                                 "SASL authcID already defined; replacing...\n",
1905                                                                 fname, lineno );
1906                                                 ch_free( li->idassert_authcID.bv_val );
1907                                         }
1908                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
1909                                                 val += STRLENOF( "u:" );
1910                                         }
1911                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
1912
1913                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
1914                                         char    *val = argv[arg] + STRLENOF( "cred=" );
1915
1916                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1917                                                 fprintf( stderr, "%s: line %d: "
1918                                                                 "SASL cred already defined; replacing...\n",
1919                                                                 fname, lineno );
1920                                                 ch_free( li->idassert_passwd.bv_val );
1921                                         }
1922                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
1923
1924                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1925                                         char    *val = argv[arg] + STRLENOF( "authz=" );
1926
1927                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
1928                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1929
1930                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
1931                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1932
1933                                         } else {
1934                                                 fprintf( stderr, "%s: line %d: "
1935                                                         "unknown authz mode \"%s\"\n",
1936                                                         fname, lineno, val );
1937                                                 return 1;
1938                                         }
1939
1940                                 } else {
1941                                         fprintf( stderr, "%s: line %d: "
1942                                                         "unknown SASL parameter %s\n",
1943                                                         fname, lineno, argv[arg] );
1944                                         return 1;
1945                                 }
1946                         }
1947
1948                         li->idassert_authmethod = LDAP_AUTH_SASL;
1949
1950 #else /* !HAVE_CYRUS_SASL */
1951                         fprintf( stderr, "%s: line %d: "
1952                                         "compile --with-cyrus-sasl to enable SASL auth\n",
1953                                         fname, lineno );
1954                         return 1;
1955 #endif /* !HAVE_CYRUS_SASL */
1956
1957                 } else {
1958                         fprintf( stderr, "%s: line %d: "
1959                                         "unhandled idassert-method method %s\n",
1960                                         fname, lineno, argv[1] );
1961                         return 1;
1962                 }
1963
1964         } else {
1965                 return SLAP_CONF_UNKNOWN;
1966         }
1967
1968         return 0;
1969 }
1970
1971 static int
1972 parse_acl_auth(
1973     BackendDB   *be,
1974     const char  *fname,
1975     int         lineno,
1976     int         argc,
1977     char        **argv
1978 )
1979 {
1980         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1981
1982         /* name to use for remote ACL access */
1983         if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
1984                         || strcasecmp( argv[0], "binddn" ) == 0 )
1985         {
1986                 struct berval   dn;
1987                 int             rc;
1988
1989                 /* FIXME: "binddn" is no longer documented, and
1990                  * temporarily supported for backwards compatibility */
1991
1992                 if ( argc != 2 ) {
1993                         fprintf( stderr,
1994         "%s: line %d: missing name in \"%s <name>\" line\n",
1995                             fname, lineno, argv[0] );
1996                         return( 1 );
1997                 }
1998
1999                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
2000                         fprintf( stderr, "%s: line %d: "
2001                                         "authcDN already defined; replacing...\n",
2002                                         fname, lineno );
2003                         ch_free( li->acl_authcDN.bv_val );
2004                 }
2005
2006                 ber_str2bv( argv[1], 0, 0, &dn );
2007                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
2008                 if ( rc != LDAP_SUCCESS ) {
2009                         Debug( LDAP_DEBUG_ANY,
2010                                 "%s: line %d: acl ID \"%s\" is not a valid DN\n",
2011                                 fname, lineno, argv[1] );
2012                         return 1;
2013                 }
2014
2015         /* password to use for remote ACL access */
2016         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
2017                         || strcasecmp( argv[0], "bindpw" ) == 0 )
2018         {
2019                 /* FIXME: "bindpw" is no longer documented, and
2020                  * temporarily supported for backwards compatibility */
2021
2022                 if ( argc != 2 ) {
2023                         fprintf( stderr,
2024         "%s: line %d: missing password in \"%s <password>\" line\n",
2025                             fname, lineno, argv[0] );
2026                         return( 1 );
2027                 }
2028
2029                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
2030                         fprintf( stderr, "%s: line %d: "
2031                                         "passwd already defined; replacing...\n",
2032                                         fname, lineno );
2033                         ch_free( li->acl_passwd.bv_val );
2034                 }
2035
2036                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
2037
2038         } else if ( strcasecmp( argv[0], "acl-method" ) == 0 ) {
2039                 char    *argv1;
2040
2041                 if ( argc < 2 ) {
2042                         fprintf( stderr,
2043         "%s: line %d: missing method in \"%s <method>\" line\n",
2044                             fname, lineno, argv[0] );
2045                         return( 1 );
2046                 }
2047
2048                 argv1 = argv[1];
2049                 if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) {
2050                         argv1 += STRLENOF( "bindmethod=" );
2051                 }
2052
2053                 if ( strcasecmp( argv1, "none" ) == 0 ) {
2054                         /* FIXME: is this at all useful? */
2055                         li->acl_authmethod = LDAP_AUTH_NONE;
2056
2057                         if ( argc != 2 ) {
2058                                 fprintf( stderr,
2059         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
2060                                         fname, lineno, argv[0], argv[1] );
2061                         }
2062
2063                 } else if ( strcasecmp( argv1, "simple" ) == 0 ) {
2064                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
2065
2066                         if ( argc != 2 ) {
2067                                 fprintf( stderr,
2068         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
2069                                         fname, lineno, argv[0], argv[1] );
2070                         }
2071
2072                 } else if ( strcasecmp( argv1, "sasl" ) == 0 ) {
2073 #ifdef HAVE_CYRUS_SASL
2074                         int     arg;
2075
2076                         for ( arg = 2; arg < argc; arg++ ) {
2077                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
2078                                         char    *val = argv[arg] + STRLENOF( "mech=" );
2079
2080                                         if ( !BER_BVISNULL( &li->acl_sasl_mech ) ) {
2081                                                 fprintf( stderr, "%s: line %d: "
2082                                                                 "SASL mech already defined; replacing...\n",
2083                                                                 fname, lineno );
2084                                                 ch_free( li->acl_sasl_mech.bv_val );
2085                                         }
2086                                         ber_str2bv( val, 0, 1, &li->acl_sasl_mech );
2087
2088                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
2089                                         char    *val = argv[arg] + STRLENOF( "realm=" );
2090
2091                                         if ( !BER_BVISNULL( &li->acl_sasl_realm ) ) {
2092                                                 fprintf( stderr, "%s: line %d: "
2093                                                                 "SASL realm already defined; replacing...\n",
2094                                                                 fname, lineno );
2095                                                 ch_free( li->acl_sasl_realm.bv_val );
2096                                         }
2097                                         ber_str2bv( val, 0, 1, &li->acl_sasl_realm );
2098
2099                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
2100                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
2101                                         struct berval   dn;
2102                                         int             rc;
2103
2104                                         if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
2105                                                 fprintf( stderr, "%s: line %d: "
2106                                                                 "SASL authcDN already defined; replacing...\n",
2107                                                                 fname, lineno );
2108                                                 ch_free( li->acl_authcDN.bv_val );
2109                                         }
2110                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
2111                                                 val += STRLENOF( "dn:" );
2112                                         }
2113
2114                                         ber_str2bv( val, 0, 0, &dn );
2115                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
2116                                         if ( rc != LDAP_SUCCESS ) {
2117                                                 Debug( LDAP_DEBUG_ANY,
2118                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
2119                                                         fname, lineno, val );
2120                                                 return 1;
2121                                         }
2122
2123                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
2124                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
2125
2126                                         if ( !BER_BVISNULL( &li->acl_authcID ) ) {
2127                                                 fprintf( stderr, "%s: line %d: "
2128                                                                 "SASL authcID already defined; replacing...\n",
2129                                                                 fname, lineno );
2130                                                 ch_free( li->acl_authcID.bv_val );
2131                                         }
2132                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
2133                                                 val += STRLENOF( "u:" );
2134                                         }
2135                                         ber_str2bv( val, 0, 1, &li->acl_authcID );
2136
2137                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
2138                                         char    *val = argv[arg] + STRLENOF( "cred=" );
2139
2140                                         if ( !BER_BVISNULL( &li->acl_passwd ) ) {
2141                                                 fprintf( stderr, "%s: line %d: "
2142                                                                 "SASL cred already defined; replacing...\n",
2143                                                                 fname, lineno );
2144                                                 ch_free( li->acl_passwd.bv_val );
2145                                         }
2146                                         ber_str2bv( val, 0, 1, &li->acl_passwd );
2147
2148                                 } else {
2149                                         fprintf( stderr, "%s: line %d: "
2150                                                         "unknown SASL parameter %s\n",
2151                                                         fname, lineno, argv[arg] );
2152                                         return 1;
2153                                 }
2154                         }
2155
2156                         li->acl_authmethod = LDAP_AUTH_SASL;
2157
2158 #else /* !HAVE_CYRUS_SASL */
2159                         fprintf( stderr, "%s: line %d: "
2160                                         "compile --with-cyrus-sasl to enable SASL auth\n",
2161                                         fname, lineno );
2162                         return 1;
2163 #endif /* !HAVE_CYRUS_SASL */
2164
2165                 } else {
2166                         fprintf( stderr, "%s: line %d: "
2167                                         "unhandled acl-method method %s\n",
2168                                         fname, lineno, argv[1] );
2169                         return 1;
2170                 }
2171
2172         } else {
2173                 return SLAP_CONF_UNKNOWN;
2174         }
2175
2176         return 0;
2177 }
2178