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_TIMEOUT,
  63         LDAP_BACK_CFG_REWRITE,
  64
  65         LDAP_BACK_CFG_LAST
  66 };
  67
  68 static ConfigTable ldapcfg[] = {
  69         { "uri", "uri", 2, 2, 0,
  70                 ARG_MAGIC|LDAP_BACK_CFG_URI,
  71                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  72                         "NAME 'olcDbURI' "
  73                         "DESC 'URI (list) for remote DSA' "
  74                         "SYNTAX OMsDirectoryString "
  75                         "SINGLE-VALUE )",
  76                 NULL, NULL },
  77         { "tls", "what", 2, 2, 0,
  78                 ARG_MAGIC|LDAP_BACK_CFG_TLS,
  79                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  80                         "NAME 'olcDbStartTLS' "
  81                         "DESC 'StartTLS' "
  82                         "SYNTAX OMsDirectoryString "
  83                         "SINGLE-VALUE )",
  84                 NULL, NULL },
  85         { "acl-authcDN", "DN", 2, 2, 0,
  86                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  87                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  88                         "NAME 'olcDbACLAuthcDn' "
  89                         "DESC 'Remote ACL administrative identity' "
  90                         "OBSOLETE "
  91                         "SYNTAX OMsDN "
  92                         "SINGLE-VALUE )",
  93                 NULL, NULL },
  94         /* deprecated, will be removed; aliases "acl-authcDN" */
  95         { "binddn", "DN", 2, 2, 0,
  96                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  97                 ldap_back_cf_gen, NULL, NULL, NULL },
  98         { "acl-passwd", "cred", 2, 2, 0,
  99                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 100                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
 101                         "NAME 'olcDbACLPasswd' "
 102                         "DESC 'Remote ACL administrative identity credentials' "
 103                         "OBSOLETE "
 104                         "SYNTAX OMsDirectoryString "
 105                         "SINGLE-VALUE )",
 106                 NULL, NULL },
 107         /* deprecated, will be removed; aliases "acl-passwd" */
 108         { "bindpw", "cred", 2, 2, 0,
 109                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 110                 ldap_back_cf_gen, NULL, NULL, NULL },
 111         /* deprecated, will be removed; aliases "acl-bind" */
 112         { "acl-method", "args", 2, 0, 0,
 113                 ARG_MAGIC|LDAP_BACK_CFG_ACL_METHOD,
 114                 ldap_back_cf_gen, NULL, NULL, NULL },
 115         { "acl-bind", "args", 2, 0, 0,
 116                 ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 117                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 118                         "NAME 'olcDbACLBind' "
 119                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 120                         "SYNTAX OMsDirectoryString "
 121                         "SINGLE-VALUE )",
 122                 NULL, NULL },
 123         { "idassert-authcDN", "DN", 2, 2, 0,
 124                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 125                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 126                         "NAME 'olcDbIDAssertAuthcDn' "
 127                         "DESC 'Remote Identity Assertion administrative identity' "
 128                         "OBSOLETE "
 129                         "SYNTAX OMsDN "
 130                         "SINGLE-VALUE )",
 131                 NULL, NULL },
 132         /* deprecated, will be removed; partially aliases "idassert-authcDN" */
 133         { "proxyauthzdn", "DN", 2, 2, 0,
 134                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 135                 ldap_back_cf_gen, NULL, NULL, NULL },
 136         { "idassert-passwd", "cred", 2, 2, 0,
 137                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 138                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 139                         "NAME 'olcDbIDAssertPasswd' "
 140                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 141                         "OBSOLETE "
 142                         "SYNTAX OMsDirectoryString "
 143                         "SINGLE-VALUE )",
 144                 NULL, NULL },
 145         /* deprecated, will be removed; partially aliases "idassert-passwd" */
 146         { "proxyauthzpw", "cred", 2, 2, 0,
 147                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 148                 ldap_back_cf_gen, NULL, NULL, NULL },
 149         { "idassert-bind", "args", 2, 0, 0,
 150                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 151                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 152                         "NAME 'olcDbIDAssertBind' "
 153                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 154                         "SYNTAX OMsDirectoryString "
 155                         "SINGLE-VALUE )",
 156                 NULL, NULL },
 157         { "idassert-method", "args", 2, 0, 0,
 158                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 159                 ldap_back_cf_gen, NULL, NULL, NULL },
 160         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 161                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 162                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 163                         "NAME 'olcDbIDAssertMode' "
 164                         "DESC 'Remote Identity Assertion mode' "
 165                         "OBSOLETE "
 166                         "SYNTAX OMsDirectoryString "
 167                         "SINGLE-VALUE)",
 168                 NULL, NULL },
 169         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 170                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 171                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 172                         "NAME 'olcDbIDAssertAuthzFrom' "
 173                         "DESC 'Remote Identity Assertion authz rules' "
 174                         "SYNTAX OMsDirectoryString "
 175                         "X-ORDERED 'VALUES' )",
 176                 NULL, NULL },
 177         { "rebind-as-user", "NO|yes", 1, 2, 0,
 178                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
 179                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 180                         "NAME 'olcDbRebindAsUser' "
 181                         "DESC 'Rebind as user' "
 182                         "SYNTAX OMsBoolean "
 183                         "SINGLE-VALUE )",
 184                 NULL, NULL },
 185         { "chase-referrals", "YES|no", 2, 2, 0,
 186                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
 187                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 188                         "NAME 'olcDbChaseReferrals' "
 189                         "DESC 'Chase referrals' "
 190                         "SYNTAX OMsBoolean "
 191                         "SINGLE-VALUE )",
 192                 NULL, NULL },
 193         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 194                 ARG_MAGIC|LDAP_BACK_CFG_T_F,
 195                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 196                         "NAME 'olcDbTFSupport' "
 197                         "DESC 'Absolute filters support' "
 198                         "SYNTAX OMsDirectoryString "
 199                         "SINGLE-VALUE )",
 200                 NULL, NULL },
 201         { "proxy-whoami", "NO|yes", 1, 2, 0,
 202                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
 203                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 204                         "NAME 'olcDbProxyWhoAmI' "
 205                         "DESC 'Proxy whoAmI exop' "
 206                         "SYNTAX OMsBoolean "
 207                         "SINGLE-VALUE )",
 208                 NULL, NULL },
 209         { "timeout", "timeout(list)", 2, 0, 0,
 210                 ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
 211                 ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
 212                         "NAME 'olcDbTimeout' "
 213                         "DESC 'Per-operation timeouts' "
 214                         "SYNTAX OMsDirectoryString "
 215                         "SINGLE-VALUE )",
 216                 NULL, NULL },
 217         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 218                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 219                 ldap_back_cf_gen, NULL, NULL, NULL },
 220         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 221                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 222                 ldap_back_cf_gen, NULL, NULL, NULL },
 223         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 224                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 225                 ldap_back_cf_gen, NULL, NULL, NULL },
 226         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 227                 NULL, NULL, NULL, NULL }
 228 };
 229
 230 static ConfigOCs ldapocs[] = {
 231         { "( OLcfgDbOc:3.1 "
 232                 "NAME 'olcLDAPConfig' "
 233                 "DESC 'LDAP backend configuration' "
 234                 "SUP olcDatabaseConfig "
 235                 "MUST olcDbURI "
 236                 "MAY ( olcDbStartTLS "
 237                         "$ olcDbACLAuthcDn "
 238                         "$ olcDbACLPasswd "
 239                         "$ olcDbACLBind "
 240                         "$ olcDbIDAssertAuthcDn "
 241                         "$ olcDbIDAssertPasswd "
 242                         "$ olcDbIDAssertBind "
 243                         "$ olcDbIDAssertMode "
 244                         "$ olcDbIDAssertAuthzFrom "
 245                         "$ olcDbRebindAsUser "
 246                         "$ olcDbChaseReferrals "
 247                         "$ olcDbTFSupport "
 248                         "$ olcDbProxyWhoAmI "
 249                         "$ olcDbTimeout "
 250                 ") )",
 251                         Cft_Database, ldapcfg},
 252         { NULL, 0, NULL }
 253 };
 254
 255 static slap_verbmasks idassert_mode[] = {
 256         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 257         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 258         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 259         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 260         { BER_BVNULL,                   0 }
 261 };
 262
 263 static slap_verbmasks tls_mode[] = {
 264         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 265         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 266         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 267         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 268         { BER_BVC( "none" ),            LDAP_BACK_F_NONE },
 269         { BER_BVNULL,                   0 }
 270 };
 271
 272 static slap_verbmasks t_f_mode[] = {
 273         { BER_BVC( "yes" ),             LDAP_BACK_F_SUPPORT_T_F },
 274         { BER_BVC( "discover" ),        LDAP_BACK_F_SUPPORT_T_F_DISCOVER },
 275         { BER_BVC( "no" ),              LDAP_BACK_F_NONE },
 276         { BER_BVNULL,                   0 }
 277 };
 278
 279 static slap_cf_aux_table timeout_table[] = {
 280         { BER_BVC("add="), 0 * sizeof( time_t ), 'u', 0, NULL },
 281         { BER_BVC("delete="), 1 * sizeof( time_t ), 'u', 0, NULL },
 282         { BER_BVC("modify="), 2 * sizeof( time_t ), 'u', 0, NULL },
 283         { BER_BVC("modrdn="), 3 * sizeof( time_t ), 'u', 0, NULL },
 284         { BER_BVNULL, 0, 0, 0, NULL }
 285 };
 286
 287 static int
 288 ldap_back_cf_gen( ConfigArgs *c )
 289 {
 290         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 291         int             rc;
 292         int             i;
 293
 294         if ( c->op == SLAP_CONFIG_EMIT ) {
 295                 struct berval   bv = BER_BVNULL;
 296                 rc = 0;
 297
 298                 switch( c->type ) {
 299                 case LDAP_BACK_CFG_URI:
 300                         if ( li->li_uri != NULL ) {
 301                                 struct berval   bv;
 302
 303                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 304                                 value_add_one( &c->rvalue_vals, &bv );
 305
 306                         } else {
 307                                 rc = 1;
 308                         }
 309                         break;
 310
 311                 case LDAP_BACK_CFG_TLS:
 312                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 313                         if ( BER_BVISNULL( &bv ) ) {
 314                                 /* there's something wrong... */
 315                                 assert( 0 );
 316                                 rc = 1;
 317
 318                         } else {
 319                                 value_add_one( &c->rvalue_vals, &bv );
 320                         }
 321                         break;
 322
 323                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 324                 case LDAP_BACK_CFG_ACL_PASSWD:
 325                 case LDAP_BACK_CFG_ACL_METHOD:
 326                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 327                         rc = 1;
 328                         break;
 329
 330                 case LDAP_BACK_CFG_ACL_BIND: {
 331                         int     i;
 332
 333                         bindconf_unparse( &li->li_acl, &bv );
 334
 335                         for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 336                                 /* count spaces */ ;
 337
 338                         if ( i ) {
 339                                 bv.bv_len -= i;
 340                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 341                                         bv.bv_len + 1 );
 342                         }
 343
 344                         ber_bvarray_add( &c->rvalue_vals, &bv );
 345                         break;
 346                 }
 347
 348                 case LDAP_BACK_CFG_IDASSERT_MODE:
 349                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 350                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 351                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 352                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 353                         rc = 1;
 354                         break;
 355
 356                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 357                         int             i;
 358
 359                         if ( li->li_idassert_authz == NULL ) {
 360                                 rc = 1;
 361                                 break;
 362                         }
 363
 364                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 365                         {
 366                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 367                         }
 368                         break;
 369                 }
 370
 371                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 372                         int             i;
 373                         struct berval   bc = BER_BVNULL;
 374                         char            *ptr;
 375
 376                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 377                                 ber_len_t       len;
 378
 379                                 switch ( li->li_idassert_mode ) {
 380                                 case LDAP_BACK_IDASSERT_OTHERID:
 381                                 case LDAP_BACK_IDASSERT_OTHERDN:
 382                                         break;
 383
 384                                 default: {
 385                                         struct berval   mode = BER_BVNULL;
 386
 387                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 388                                         if ( BER_BVISNULL( &mode ) ) {
 389                                                 /* there's something wrong... */
 390                                                 assert( 0 );
 391                                                 rc = 1;
 392
 393                                         } else {
 394                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 395                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 396
 397                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 398                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 399                                         }
 400                                         break;
 401                                 }
 402                                 }
 403
 404                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 405                                         len = bv.bv_len + STRLENOF( "authz=native" );
 406
 407                                         if ( !BER_BVISEMPTY( &bv ) ) {
 408                                                 len += STRLENOF( " " );
 409                                         }
 410
 411                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 412
 413                                         ptr = &bv.bv_val[ bv.bv_len ];
 414
 415                                         if ( !BER_BVISEMPTY( &bv ) ) {
 416                                                 ptr = lutil_strcopy( ptr, " " );
 417                                         }
 418
 419                                         (void)lutil_strcopy( ptr, "authz=native" );
 420                                 }
 421
 422                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override" );
 423                                 /* flags */
 424                                 if ( !BER_BVISEMPTY( &bv ) ) {
 425                                         len += STRLENOF( " " );
 426                                 }
 427
 428                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 429
 430                                 ptr = &bv.bv_val[ bv.bv_len ];
 431
 432                                 if ( !BER_BVISEMPTY( &bv ) ) {
 433                                         ptr = lutil_strcopy( ptr, " " );
 434                                 }
 435
 436                                 ptr = lutil_strcopy( ptr, "flags=" );
 437
 438                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 439                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 440                                 } else {
 441                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 442                                 }
 443
 444                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 445                                         ptr = lutil_strcopy( ptr, ",override" );
 446                                 }
 447
 448                                 bv.bv_len = ( ptr - bv.bv_val );
 449                                 /* end-of-flags */
 450                         }
 451
 452                         bindconf_unparse( &li->li_idassert, &bc );
 453
 454                         if ( !BER_BVISNULL( &bv ) ) {
 455                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 456
 457                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 458
 459                                 assert( bc.bv_val[ 0 ] == ' ' );
 460
 461                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 462                                 free( bc.bv_val );
 463                                 bv.bv_len = ptr - bv.bv_val;
 464
 465                         } else {
 466                                 for ( i = 0; isspace( bc.bv_val[ i ] ); i++ )
 467                                         /* count spaces */ ;
 468
 469                                 if ( i ) {
 470                                         bc.bv_len -= i;
 471                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 472                                 }
 473
 474                                 bv = bc;
 475                         }
 476
 477                         ber_bvarray_add( &c->rvalue_vals, &bv );
 478
 479                         break;
 480                 }
 481
 482                 case LDAP_BACK_CFG_REBIND:
 483                         c->value_int = LDAP_BACK_SAVECRED( li );
 484                         break;
 485
 486                 case LDAP_BACK_CFG_CHASE:
 487                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 488                         break;
 489
 490                 case LDAP_BACK_CFG_T_F:
 491                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_SUPPORT_T_F_MASK), &bv );
 492                         if ( BER_BVISNULL( &bv ) ) {
 493                                 /* there's something wrong... */
 494                                 assert( 0 );
 495                                 rc = 1;
 496
 497                         } else {
 498                                 value_add_one( &c->rvalue_vals, &bv );
 499                         }
 500                         break;
 501
 502                 case LDAP_BACK_CFG_WHOAMI:
 503                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 504                         break;
 505
 506                 case LDAP_BACK_CFG_TIMEOUT:
 507                         BER_BVZERO( &bv );
 508
 509                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 510
 511                         if ( !BER_BVISNULL( &bv ) ) {
 512                                 for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 513                                         /* count spaces */ ;
 514
 515                                 if ( i ) {
 516                                         bv.bv_len -= i;
 517                                         AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 518                                                 bv.bv_len + 1 );
 519                                 }
 520
 521                                 ber_bvarray_add( &c->rvalue_vals, &bv );
 522                         }
 523                         break;
 524
 525                 default:
 526                         /* FIXME: we need to handle all... */
 527                         assert( 0 );
 528                         break;
 529                 }
 530                 return rc;
 531
 532         } else if ( c->op == LDAP_MOD_DELETE ) {
 533                 rc = 0;
 534                 switch( c->type ) {
 535                 case LDAP_BACK_CFG_URI:
 536                         if ( li->li_uri != NULL ) {
 537                                 ch_free( li->li_uri );
 538                                 li->li_uri = NULL;
 539
 540                                 assert( li->li_bvuri != NULL );
 541                                 ber_bvarray_free( li->li_bvuri );
 542                                 li->li_bvuri = NULL;
 543                         }
 544
 545                         /* better cleanup the cached connections... */
 546                         /* NOTE: don't worry about locking: if we got here,
 547                          * other threads are suspended. */
 548                         if ( li->li_conninfo.lai_tree != NULL ) {
 549                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 550                                 li->li_conninfo.lai_tree = NULL;
 551                         }
 552
 553                         break;
 554
 555                 case LDAP_BACK_CFG_TLS:
 556                         rc = 1;
 557                         break;
 558
 559                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 560                 case LDAP_BACK_CFG_ACL_PASSWD:
 561                 case LDAP_BACK_CFG_ACL_METHOD:
 562                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 563                         rc = 1;
 564                         break;
 565
 566                 case LDAP_BACK_CFG_ACL_BIND:
 567                         bindconf_free( &li->li_acl );
 568                         break;
 569
 570                 case LDAP_BACK_CFG_IDASSERT_MODE:
 571                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 572                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 573                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 574                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 575                         rc = 1;
 576                         break;
 577
 578                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 579                         if ( li->li_idassert_authz != NULL ) {
 580                                 ber_bvarray_free( li->li_idassert_authz );
 581                                 li->li_idassert_authz = NULL;
 582                         }
 583                         break;
 584
 585                 case LDAP_BACK_CFG_IDASSERT_BIND:
 586                         bindconf_free( &li->li_idassert );
 587                         break;
 588
 589                 case LDAP_BACK_CFG_REBIND:
 590                 case LDAP_BACK_CFG_CHASE:
 591                 case LDAP_BACK_CFG_T_F:
 592                 case LDAP_BACK_CFG_WHOAMI:
 593                         rc = 1;
 594                         break;
 595
 596                 case LDAP_BACK_CFG_TIMEOUT:
 597                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 598                                 li->li_timeout[ i ] = 0;
 599                         }
 600                         break;
 601
 602                 default:
 603                         /* FIXME: we need to handle all... */
 604                         assert( 0 );
 605                         break;
 606                 }
 607                 return rc;
 608
 609         }
 610
 611         switch( c->type ) {
 612         case LDAP_BACK_CFG_URI: {
 613                 LDAPURLDesc     *tmpludp, *lud;
 614                 char            **urllist = NULL;
 615                 int             urlrc = LDAP_URL_SUCCESS, i;
 616
 617                 if ( c->argc != 2 ) {
 618                         fprintf( stderr, "%s: line %d: "
 619                                         "missing uri "
 620                                         "in \"uri <uri>\" line\n",
 621                                         c->fname, c->lineno );
 622                         return 1;
 623                 }
 624
 625                 if ( li->li_uri != NULL ) {
 626                         ch_free( li->li_uri );
 627                         li->li_uri = NULL;
 628
 629                         assert( li->li_bvuri != NULL );
 630                         ber_bvarray_free( li->li_bvuri );
 631                         li->li_bvuri = NULL;
 632                 }
 633
 634                 /* PARANOID: DN and more are not required nor allowed */
 635                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t" );
 636                 if ( urlrc != LDAP_URL_SUCCESS ) {
 637                         char    *why;
 638
 639                         switch ( urlrc ) {
 640                         case LDAP_URL_ERR_MEM:
 641                                 why = "no memory";
 642                                 break;
 643                         case LDAP_URL_ERR_PARAM:
 644                                 why = "parameter is bad";
 645                                 break;
 646                         case LDAP_URL_ERR_BADSCHEME:
 647                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 648                                 break;
 649                         case LDAP_URL_ERR_BADENCLOSURE:
 650                                 why = "URL is missing trailing \">\"";
 651                                 break;
 652                         case LDAP_URL_ERR_BADURL:
 653                                 why = "URL is bad";
 654                                 break;
 655                         case LDAP_URL_ERR_BADHOST:
 656                                 why = "host/port is bad";
 657                                 break;
 658                         case LDAP_URL_ERR_BADATTRS:
 659                                 why = "bad (or missing) attributes";
 660                                 break;
 661                         case LDAP_URL_ERR_BADSCOPE:
 662                                 why = "scope string is invalid (or missing)";
 663                                 break;
 664                         case LDAP_URL_ERR_BADFILTER:
 665                                 why = "bad or missing filter";
 666                                 break;
 667                         case LDAP_URL_ERR_BADEXTS:
 668                                 why = "bad or missing extensions";
 669                                 break;
 670                         default:
 671                                 why = "unknown reason";
 672                                 break;
 673                         }
 674                         fprintf( stderr, "%s: line %d: "
 675                                         "unable to parse uri \"%s\" "
 676                                         "in \"uri <uri>\" line: %s\n",
 677                                         c->fname, c->lineno, c->value_string, why );
 678                         urlrc = 1;
 679                         goto done_url;
 680                 }
 681
 682                 for ( i = 0, tmpludp = lud;
 683                                 tmpludp;
 684                                 i++, tmpludp = tmpludp->lud_next )
 685                 {
 686                         if ( ( tmpludp->lud_dn != NULL
 687                                                 && tmpludp->lud_dn[0] != '\0' )
 688                                         || tmpludp->lud_attrs != NULL
 689                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 690                                         || tmpludp->lud_filter != NULL
 691                                         || tmpludp->lud_exts != NULL )
 692                         {
 693                                 fprintf( stderr, "%s: line %d: "
 694                                                 "warning, only protocol, "
 695                                                 "host and port allowed "
 696                                                 "in \"uri <uri>\" statement "
 697                                                 "for uri #%d of \"%s\"\n",
 698                                                 c->fname, c->lineno, i, c->value_string );
 699                         }
 700                 }
 701
 702                 for ( i = 0, tmpludp = lud;
 703                                 tmpludp;
 704                                 i++, tmpludp = tmpludp->lud_next )
 705                         /* just count */
 706                         ;
 707                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 708
 709                 for ( i = 0, tmpludp = lud;
 710                                 tmpludp;
 711                                 i++, tmpludp = tmpludp->lud_next )
 712                 {
 713                         LDAPURLDesc     tmplud;
 714
 715                         tmplud = *tmpludp;
 716                         tmplud.lud_dn = "";
 717                         tmplud.lud_attrs = NULL;
 718                         tmplud.lud_filter = NULL;
 719                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 720                                 tmplud.lud_exts = NULL;
 721                                 tmplud.lud_crit_exts = 0;
 722                         }
 723
 724                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 725
 726                         if ( urllist[ i ] == NULL ) {
 727                                 fprintf( stderr, "%s: line %d: "
 728                                         "unable to rebuild uri "
 729                                         "in \"uri <uri>\" statement "
 730                                         "for \"%s\"\n",
 731                                         c->fname, c->lineno, c->argv[ 1 ] );
 732                                 urlrc = 1;
 733                                 goto done_url;
 734                         }
 735                 }
 736
 737                 li->li_uri = ldap_charray2str( urllist, " " );
 738                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 739                         struct berval   bv;
 740
 741                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 742                         ber_bvarray_add( &li->li_bvuri, &bv );
 743                         urllist[ i ] = NULL;
 744                 }
 745                 ldap_memfree( urllist );
 746                 urllist = NULL;
 747
 748 done_url:;
 749                 if ( urllist ) {
 750                         ldap_charray_free( urllist );
 751                 }
 752                 if ( lud ) {
 753                         ldap_free_urllist( lud );
 754                 }
 755                 if ( urlrc != LDAP_URL_SUCCESS ) {
 756                         return 1;
 757                 }
 758                 break;
 759         }
 760
 761         case LDAP_BACK_CFG_TLS:
 762                 i = verb_to_mask( c->argv[1], tls_mode );
 763                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 764                         return 1;
 765                 }
 766                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 767                 li->li_flags |= tls_mode[i].mask;
 768                 break;
 769
 770         case LDAP_BACK_CFG_ACL_AUTHCDN:
 771                 switch ( li->li_acl_authmethod ) {
 772                 case LDAP_AUTH_NONE:
 773                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 774                         break;
 775
 776                 case LDAP_AUTH_SIMPLE:
 777                         break;
 778
 779                 default:
 780                         fprintf( stderr, "%s: line %d: "
 781                                 "\"acl-authcDN <DN>\" incompatible "
 782                                 "with auth method %d.",
 783                                 c->fname, c->lineno, li->li_acl_authmethod );
 784                         return 1;
 785                 }
 786                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 787                         free( li->li_acl_authcDN.bv_val );
 788                 }
 789                 ber_memfree_x( c->value_dn.bv_val, NULL );
 790                 li->li_acl_authcDN = c->value_ndn;
 791                 BER_BVZERO( &c->value_dn );
 792                 BER_BVZERO( &c->value_ndn );
 793                 break;
 794
 795         case LDAP_BACK_CFG_ACL_PASSWD:
 796                 switch ( li->li_acl_authmethod ) {
 797                 case LDAP_AUTH_NONE:
 798                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 799                         break;
 800
 801                 case LDAP_AUTH_SIMPLE:
 802                         break;
 803
 804                 default:
 805                         fprintf( stderr, "%s: line %d: "
 806                                 "\"acl-passwd <cred>\" incompatible "
 807                                 "with auth method %d.",
 808                                 c->fname, c->lineno, li->li_acl_authmethod );
 809                         return 1;
 810                 }
 811                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
 812                         free( li->li_acl_passwd.bv_val );
 813                 }
 814                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 815                 break;
 816
 817         case LDAP_BACK_CFG_ACL_METHOD:
 818         case LDAP_BACK_CFG_ACL_BIND:
 819                 for ( i = 1; i < c->argc; i++ ) {
 820                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 821                                 return 1;
 822                         }
 823                 }
 824                 break;
 825
 826         case LDAP_BACK_CFG_IDASSERT_MODE:
 827                 i = verb_to_mask( c->argv[1], idassert_mode );
 828                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 829                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 830                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 831                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
 832                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
 833
 834                         } else {
 835                                 struct berval   id, ndn;
 836
 837                                 ber_str2bv( c->argv[1], 0, 0, &id );
 838
 839                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 840                                         id.bv_val += STRLENOF( "dn:" );
 841                                         id.bv_len -= STRLENOF( "dn:" );
 842                                 }
 843
 844                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 845                                 if ( rc != LDAP_SUCCESS ) {
 846                                         Debug( LDAP_DEBUG_ANY,
 847                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 848                                                 c->fname, c->lineno, c->argv[1] );
 849                                         return 1;
 850                                 }
 851
 852                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 853                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
 854                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 855                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 856                                 ch_free( ndn.bv_val );
 857
 858                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 859                         }
 860
 861                 } else {
 862                         li->li_idassert_mode = idassert_mode[i].mask;
 863                 }
 864
 865                 if ( c->argc > 2 ) {
 866                         int     i;
 867
 868                         for ( i = 2; i < c->argc; i++ ) {
 869                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 870                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 871
 872                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 873                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 874
 875                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 876                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 877
 878                                 } else {
 879                                         Debug( LDAP_DEBUG_ANY,
 880                                                 "%s: line %d: unknown flag #%d "
 881                                                 "in \"idassert-mode <args> "
 882                                                 "[<flags>]\" line.\n",
 883                                                 c->fname, c->lineno, i - 2 );
 884                                         return 1;
 885                                 }
 886                         }
 887                 }
 888                 break;
 889
 890         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 891                 switch ( li->li_idassert_authmethod ) {
 892                 case LDAP_AUTH_NONE:
 893                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 894                         break;
 895
 896                 case LDAP_AUTH_SIMPLE:
 897                         break;
 898
 899                 default:
 900                         fprintf( stderr, "%s: line %d: "
 901                                 "\"idassert-authcDN <DN>\" incompatible "
 902                                 "with auth method %d.",
 903                                 c->fname, c->lineno, li->li_idassert_authmethod );
 904                         return 1;
 905                 }
 906                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
 907                         free( li->li_idassert_authcDN.bv_val );
 908                 }
 909                 ber_memfree_x( c->value_dn.bv_val, NULL );
 910                 li->li_idassert_authcDN = c->value_ndn;
 911                 BER_BVZERO( &c->value_dn );
 912                 BER_BVZERO( &c->value_ndn );
 913                 break;
 914
 915         case LDAP_BACK_CFG_IDASSERT_PASSWD:
 916                 switch ( li->li_idassert_authmethod ) {
 917                 case LDAP_AUTH_NONE:
 918                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 919                         break;
 920
 921                 case LDAP_AUTH_SIMPLE:
 922                         break;
 923
 924                 default:
 925                         fprintf( stderr, "%s: line %d: "
 926                                 "\"idassert-passwd <cred>\" incompatible "
 927                                 "with auth method %d.",
 928                                 c->fname, c->lineno, li->li_idassert_authmethod );
 929                         return 1;
 930                 }
 931                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
 932                         free( li->li_idassert_passwd.bv_val );
 933                 }
 934                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
 935                 break;
 936
 937         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 938                 struct berval   bv;
 939 #ifdef SLAP_AUTHZ_SYNTAX
 940                 struct berval   in;
 941                 int             rc;
 942
 943                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
 944                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
 945                 if ( rc != LDAP_SUCCESS ) {
 946                         fprintf( stderr, "%s: %d: "
 947                                 "\"idassert-authzFrom <authz>\": "
 948                                 "invalid syntax.\n",
 949                                 c->fname, c->lineno );
 950                         return 1;
 951                 }
 952 #else /* !SLAP_AUTHZ_SYNTAX */
 953                 ber_str2bv( c->argv[ 1 ], 0, 1, &bv );
 954 #endif /* !SLAP_AUTHZ_SYNTAX */
 955                 ber_bvarray_add( &li->li_idassert_authz, &bv );
 956                 } break;
 957
 958         case LDAP_BACK_CFG_IDASSERT_METHOD:
 959                 /* no longer supported */
 960                 fprintf( stderr, "%s: %d: "
 961                         "\"idassert-method <args>\": "
 962                         "no longer supported; use \"idassert-bind\".\n",
 963                         c->fname, c->lineno );
 964                 return 1;
 965
 966         case LDAP_BACK_CFG_IDASSERT_BIND:
 967                 for ( i = 1; i < c->argc; i++ ) {
 968                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
 969                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
 970                                 int     j;
 971
 972                                 j = verb_to_mask( argvi, idassert_mode );
 973                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
 974                                         fprintf( stderr, "%s: %d: "
 975                                                 "\"idassert-bind <args>\": "
 976                                                 "unknown mode \"%s\".\n",
 977                                                 c->fname, c->lineno, argvi );
 978                                         return 1;
 979                                 }
 980
 981                                 li->li_idassert_mode = idassert_mode[ j ].mask;
 982
 983                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 984                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
 985
 986                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
 987                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
 988                                                 fprintf( stderr, "%s: %d: "
 989                                                         "\"idassert-bind <args>\": "
 990                                                         "authz=\"native\" incompatible "
 991                                                         "with auth method.\n",
 992                                                         c->fname, c->lineno );
 993                                                 return 1;
 994                                         }
 995                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 996
 997                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
 998                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 999
1000                                 } else {
1001                                         fprintf( stderr, "%s: %d: "
1002                                                 "\"idassert-bind <args>\": "
1003                                                 "unknown authz \"%s\".\n",
1004                                                 c->fname, c->lineno, argvi );
1005                                         return 1;
1006                                 }
1007
1008                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1009                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1010                                 char    **flags = ldap_str2charray( argvi, "," );
1011                                 int     j;
1012
1013                                 if ( flags == NULL ) {
1014                                         fprintf( stderr, "%s: %d: "
1015                                                 "\"idassert-bind <args>\": "
1016                                                 "unable to parse flags \"%s\".\n",
1017                                                 c->fname, c->lineno, argvi );
1018                                         return 1;
1019                                 }
1020
1021                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1022                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1023                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1024
1025                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1026                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1027
1028                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1029                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1030
1031                                         } else {
1032                                                 fprintf( stderr, "%s: %d: "
1033                                                         "\"idassert-bind <args>\": "
1034                                                         "unknown flag \"%s\".\n",
1035                                                         c->fname, c->lineno, flags[ j ] );
1036                                                 return 1;
1037                                         }
1038                                 }
1039
1040                                 ldap_charray_free( flags );
1041
1042                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1043                                 return 1;
1044                         }
1045                 }
1046                 break;
1047
1048         case LDAP_BACK_CFG_REBIND:
1049                 if ( c->argc == 1 || c->value_int ) {
1050                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1051
1052                 } else {
1053                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1054                 }
1055                 break;
1056
1057         case LDAP_BACK_CFG_CHASE:
1058                 if ( c->argc == 1 || c->value_int ) {
1059                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1060
1061                 } else {
1062                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1063                 }
1064                 break;
1065
1066         case LDAP_BACK_CFG_T_F:
1067                 i = verb_to_mask( c->argv[1], t_f_mode );
1068                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1069                         return 1;
1070                 }
1071                 li->li_flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1072                 li->li_flags |= t_f_mode[i].mask;
1073                 break;
1074
1075         case LDAP_BACK_CFG_WHOAMI:
1076                 if ( c->argc == 1 || c->value_int ) {
1077                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1078                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1079                                         0, ldap_back_exop_whoami );
1080
1081                 } else {
1082                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1083                 }
1084                 break;
1085
1086         case LDAP_BACK_CFG_TIMEOUT:
1087                 if ( c->argc < 2 ) {
1088                         return 1;
1089                 }
1090
1091                 for ( i = 1; i < c->argc; i++ ) {
1092                         if ( isdigit( c->argv[ i ][ 0 ] ) ) {
1093                                 char            *next;
1094                                 int             j;
1095                                 unsigned        u;
1096
1097                                 u = strtoul( c->argv[ i ], &next, 0 );
1098                                 if ( next == c->argv[ i ] || next[ 0 ] != '\0' ) {
1099                                         return 1;
1100                                 }
1101
1102                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1103                                         li->li_timeout[ j ] = u;
1104                                 }
1105
1106                                 continue;
1107                         }
1108
1109                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1110                                 return 1;
1111                         }
1112                 }
1113                 break;
1114
1115         case LDAP_BACK_CFG_REWRITE:
1116                 fprintf( stderr, "%s: line %d: "
1117                         "rewrite/remap capabilities have been moved "
1118                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1119                         "for details (hint: add \"overlay rwm\" "
1120                         "and prefix all directives with \"rwm-\").\n",
1121                         c->fname, c->lineno );
1122                 return 1;
1123
1124         default:
1125                 /* FIXME: try to catch inconsistencies */
1126                 assert( 0 );
1127                 break;
1128         }
1129
1130         return 0;
1131 }
1132
1133 int
1134 ldap_back_init_cf( BackendInfo *bi )
1135 {
1136         int                     rc;
1137         AttributeDescription    *ad = NULL;
1138         const char              *text;
1139
1140         /* Make sure we don't exceed the bits reserved for userland */
1141         config_check_userland( LDAP_BACK_CFG_LAST );
1142
1143         bi->bi_cf_ocs = ldapocs;
1144
1145         rc = config_register_schema( ldapcfg, ldapocs );
1146         if ( rc ) {
1147                 return rc;
1148         }
1149
1150         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1151          * to be base64-encoded when written in LDIF form;
1152          * basically, we don't care if it fails */
1153         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1154         if ( rc ) {
1155                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1156                         "warning, unable to get \"olcDbACLPasswd\" "
1157                         "attribute description: %d: %s\n",
1158                         rc, text, 0 );
1159         } else {
1160                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1161                         ad->ad_type->sat_oid );
1162         }
1163
1164         ad = NULL;
1165         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1166         if ( rc ) {
1167                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1168                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1169                         "attribute description: %d: %s\n",
1170                         rc, text, 0 );
1171         } else {
1172                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1173                         ad->ad_type->sat_oid );
1174         }
1175
1176         return 0;
1177 }
1178
1179
1180 static int
1181 ldap_back_exop_whoami(
1182                 Operation       *op,
1183                 SlapReply       *rs )
1184 {
1185         struct berval *bv = NULL;
1186
1187         if ( op->oq_extended.rs_reqdata != NULL ) {
1188                 /* no request data should be provided */
1189                 rs->sr_text = "no request data expected";
1190                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1191         }
1192
1193         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1194             op->o_log_prefix, 0, 0, 0, 0 );
1195
1196         rs->sr_err = backend_check_restrictions( op, rs,
1197                         (struct berval *)&slap_EXOP_WHOAMI );
1198         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1199
1200         /* if auth'd by back-ldap and request is proxied, forward it */
1201         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)) {
1202                 ldapconn_t      *lc;
1203
1204                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1205                 LDAPMessage *res;
1206                 Operation op2 = *op;
1207                 ber_int_t msgid;
1208                 int doretry = 1;
1209
1210                 ctrls[0] = &c;
1211                 op2.o_ndn = op->o_conn->c_ndn;
1212                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1213                 if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) {
1214                         return -1;
1215                 }
1216                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1217                 c.ldctl_iscritical = 1;
1218                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
1219                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1220                 strcpy(c.ldctl_value.bv_val, "dn:");
1221                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
1222
1223 retry:
1224                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
1225                 if (rs->sr_err == LDAP_SUCCESS) {
1226                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
1227                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1228                                         &rs->sr_err);
1229                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1230                                         doretry = 0;
1231                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) )
1232                                                 goto retry;
1233                                 }
1234                                 ldap_back_freeconn( op, lc, 1 );
1235                                 lc = NULL;
1236
1237                         } else {
1238                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
1239                                 ldap_msgfree(res);
1240                         }
1241                 }
1242                 ch_free(c.ldctl_value.bv_val);
1243                 if (rs->sr_err != LDAP_SUCCESS) {
1244                         rs->sr_err = slap_map_api2result( rs );
1245                 }
1246
1247                 if ( lc != NULL ) {
1248                         ldap_back_release_conn( &op2, rs, lc );
1249                 }
1250
1251         } else {
1252         /* else just do the same as before */
1253                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
1254                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1255                         bv->bv_len = op->o_dn.bv_len + STRLENOF("dn:");
1256                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1257                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF("dn:") );
1258                         AC_MEMCPY( &bv->bv_val[STRLENOF("dn:")], op->o_dn.bv_val,
1259                                 op->o_dn.bv_len );
1260                         bv->bv_val[bv->bv_len] = '\0';
1261                 } else {
1262                         bv->bv_len = 0;
1263                         bv->bv_val = NULL;
1264                 }
1265         }
1266
1267         rs->sr_rspdata = bv;
1268         return rs->sr_err;
1269 }
1270
1271