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 2003-2006 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_IDLE_TIMEOUT,
  64         LDAP_BACK_CFG_CONN_TTL,
  65         LDAP_BACK_CFG_NETWORK_TIMEOUT,
  66         LDAP_BACK_CFG_VERSION,
  67         LDAP_BACK_CFG_SINGLECONN,
  68         LDAP_BACK_CFG_CANCEL,
  69         LDAP_BACK_CFG_REWRITE,
  70
  71         LDAP_BACK_CFG_LAST
  72 };
  73
  74 static ConfigTable ldapcfg[] = {
  75         { "uri", "uri", 2, 2, 0,
  76                 ARG_MAGIC|LDAP_BACK_CFG_URI,
  77                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  78                         "NAME 'olcDbURI' "
  79                         "DESC 'URI (list) for remote DSA' "
  80                         "SYNTAX OMsDirectoryString "
  81                         "SINGLE-VALUE )",
  82                 NULL, NULL },
  83         { "tls", "what", 2, 2, 0,
  84                 ARG_MAGIC|LDAP_BACK_CFG_TLS,
  85                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  86                         "NAME 'olcDbStartTLS' "
  87                         "DESC 'StartTLS' "
  88                         "SYNTAX OMsDirectoryString "
  89                         "SINGLE-VALUE )",
  90                 NULL, NULL },
  91         { "acl-authcDN", "DN", 2, 2, 0,
  92                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  93                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  94                         "NAME 'olcDbACLAuthcDn' "
  95                         "DESC 'Remote ACL administrative identity' "
  96                         "OBSOLETE "
  97                         "SYNTAX OMsDN "
  98                         "SINGLE-VALUE )",
  99                 NULL, NULL },
 100         /* deprecated, will be removed; aliases "acl-authcDN" */
 101         { "binddn", "DN", 2, 2, 0,
 102                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
 103                 ldap_back_cf_gen, NULL, NULL, NULL },
 104         { "acl-passwd", "cred", 2, 2, 0,
 105                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 106                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
 107                         "NAME 'olcDbACLPasswd' "
 108                         "DESC 'Remote ACL administrative identity credentials' "
 109                         "OBSOLETE "
 110                         "SYNTAX OMsDirectoryString "
 111                         "SINGLE-VALUE )",
 112                 NULL, NULL },
 113         /* deprecated, will be removed; aliases "acl-passwd" */
 114         { "bindpw", "cred", 2, 2, 0,
 115                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 116                 ldap_back_cf_gen, NULL, NULL, NULL },
 117         /* deprecated, will be removed; aliases "acl-bind" */
 118         { "acl-method", "args", 2, 0, 0,
 119                 ARG_MAGIC|LDAP_BACK_CFG_ACL_METHOD,
 120                 ldap_back_cf_gen, NULL, NULL, NULL },
 121         { "acl-bind", "args", 2, 0, 0,
 122                 ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 123                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 124                         "NAME 'olcDbACLBind' "
 125                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 126                         "SYNTAX OMsDirectoryString "
 127                         "SINGLE-VALUE )",
 128                 NULL, NULL },
 129         { "idassert-authcDN", "DN", 2, 2, 0,
 130                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 131                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 132                         "NAME 'olcDbIDAssertAuthcDn' "
 133                         "DESC 'Remote Identity Assertion administrative identity' "
 134                         "OBSOLETE "
 135                         "SYNTAX OMsDN "
 136                         "SINGLE-VALUE )",
 137                 NULL, NULL },
 138         /* deprecated, will be removed; partially aliases "idassert-authcDN" */
 139         { "proxyauthzdn", "DN", 2, 2, 0,
 140                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 141                 ldap_back_cf_gen, NULL, NULL, NULL },
 142         { "idassert-passwd", "cred", 2, 2, 0,
 143                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 144                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 145                         "NAME 'olcDbIDAssertPasswd' "
 146                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 147                         "OBSOLETE "
 148                         "SYNTAX OMsDirectoryString "
 149                         "SINGLE-VALUE )",
 150                 NULL, NULL },
 151         /* deprecated, will be removed; partially aliases "idassert-passwd" */
 152         { "proxyauthzpw", "cred", 2, 2, 0,
 153                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 154                 ldap_back_cf_gen, NULL, NULL, NULL },
 155         { "idassert-bind", "args", 2, 0, 0,
 156                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 157                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 158                         "NAME 'olcDbIDAssertBind' "
 159                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 160                         "SYNTAX OMsDirectoryString "
 161                         "SINGLE-VALUE )",
 162                 NULL, NULL },
 163         { "idassert-method", "args", 2, 0, 0,
 164                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 165                 ldap_back_cf_gen, NULL, NULL, NULL },
 166         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 167                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 168                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 169                         "NAME 'olcDbIDAssertMode' "
 170                         "DESC 'Remote Identity Assertion mode' "
 171                         "OBSOLETE "
 172                         "SYNTAX OMsDirectoryString "
 173                         "SINGLE-VALUE)",
 174                 NULL, NULL },
 175         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 176                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 177                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 178                         "NAME 'olcDbIDAssertAuthzFrom' "
 179                         "DESC 'Remote Identity Assertion authz rules' "
 180                         "SYNTAX OMsDirectoryString "
 181                         "X-ORDERED 'VALUES' )",
 182                 NULL, NULL },
 183         { "rebind-as-user", "NO|yes", 1, 2, 0,
 184                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
 185                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 186                         "NAME 'olcDbRebindAsUser' "
 187                         "DESC 'Rebind as user' "
 188                         "SYNTAX OMsBoolean "
 189                         "SINGLE-VALUE )",
 190                 NULL, NULL },
 191         { "chase-referrals", "YES|no", 2, 2, 0,
 192                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
 193                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 194                         "NAME 'olcDbChaseReferrals' "
 195                         "DESC 'Chase referrals' "
 196                         "SYNTAX OMsBoolean "
 197                         "SINGLE-VALUE )",
 198                 NULL, NULL },
 199         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 200                 ARG_MAGIC|LDAP_BACK_CFG_T_F,
 201                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 202                         "NAME 'olcDbTFSupport' "
 203                         "DESC 'Absolute filters support' "
 204                         "SYNTAX OMsDirectoryString "
 205                         "SINGLE-VALUE )",
 206                 NULL, NULL },
 207         { "proxy-whoami", "NO|yes", 1, 2, 0,
 208                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
 209                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 210                         "NAME 'olcDbProxyWhoAmI' "
 211                         "DESC 'Proxy whoAmI exop' "
 212                         "SYNTAX OMsBoolean "
 213                         "SINGLE-VALUE )",
 214                 NULL, NULL },
 215         { "timeout", "timeout(list)", 2, 0, 0,
 216                 ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
 217                 ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
 218                         "NAME 'olcDbTimeout' "
 219                         "DESC 'Per-operation timeouts' "
 220                         "SYNTAX OMsDirectoryString "
 221                         "SINGLE-VALUE )",
 222                 NULL, NULL },
 223         { "idle-timeout", "timeout", 2, 0, 0,
 224                 ARG_MAGIC|LDAP_BACK_CFG_IDLE_TIMEOUT,
 225                 ldap_back_cf_gen, "( OLcfgDbAt:3.15 "
 226                         "NAME 'olcDbIdleTimeout' "
 227                         "DESC 'connection idle timeout' "
 228                         "SYNTAX OMsDirectoryString "
 229                         "SINGLE-VALUE )",
 230                 NULL, NULL },
 231         { "conn-ttl", "ttl", 2, 0, 0,
 232                 ARG_MAGIC|LDAP_BACK_CFG_CONN_TTL,
 233                 ldap_back_cf_gen, "( OLcfgDbAt:3.16 "
 234                         "NAME 'olcDbConnTtl' "
 235                         "DESC 'connection ttl' "
 236                         "SYNTAX OMsDirectoryString "
 237                         "SINGLE-VALUE )",
 238                 NULL, NULL },
 239         { "network-timeout", "timeout", 2, 0, 0,
 240                 ARG_MAGIC|LDAP_BACK_CFG_NETWORK_TIMEOUT,
 241                 ldap_back_cf_gen, "( OLcfgDbAt:3.17 "
 242                         "NAME 'olcDbNetworkTimeout' "
 243                         "DESC 'connection network timeout' "
 244                         "SYNTAX OMsDirectoryString "
 245                         "SINGLE-VALUE )",
 246                 NULL, NULL },
 247         { "protocol-version", "version", 2, 0, 0,
 248                 ARG_MAGIC|ARG_INT|LDAP_BACK_CFG_VERSION,
 249                 ldap_back_cf_gen, "( OLcfgDbAt:3.18 "
 250                         "NAME 'olcDbProtocolVersion' "
 251                         "DESC 'protocol version' "
 252                         "SYNTAX OMsInteger "
 253                         "SINGLE-VALUE )",
 254                 NULL, NULL },
 255         { "single-conn", "TRUE/FALSE", 2, 0, 0,
 256                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_SINGLECONN,
 257                 ldap_back_cf_gen, "( OLcfgDbAt:3.19 "
 258                         "NAME 'olcDbSingleConn' "
 259                         "DESC 'cache a single connection per identity' "
 260                         "SYNTAX OMsBoolean "
 261                         "SINGLE-VALUE )",
 262                 NULL, NULL },
 263         { "cancel", "ABANDON|ignore|exop", 2, 0, 0,
 264                 ARG_MAGIC|LDAP_BACK_CFG_CANCEL,
 265                 ldap_back_cf_gen, "( OLcfgDbAt:3.20 "
 266                         "NAME 'olcDbCancel' "
 267                         "DESC 'abandon/ignore/exop operations when appropriate' "
 268                         "SYNTAX OMsDirectoryString "
 269                         "SINGLE-VALUE )",
 270                 NULL, NULL },
 271         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 272                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 273                 ldap_back_cf_gen, NULL, NULL, NULL },
 274         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 275                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 276                 ldap_back_cf_gen, NULL, NULL, NULL },
 277         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 278                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 279                 ldap_back_cf_gen, NULL, NULL, NULL },
 280         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 281                 NULL, NULL, NULL, NULL }
 282 };
 283
 284 static ConfigOCs ldapocs[] = {
 285         { "( OLcfgDbOc:3.1 "
 286                 "NAME 'olcLDAPConfig' "
 287                 "DESC 'LDAP backend configuration' "
 288                 "SUP olcDatabaseConfig "
 289                 "MUST olcDbURI "
 290                 "MAY ( olcDbStartTLS "
 291                         "$ olcDbACLAuthcDn "
 292                         "$ olcDbACLPasswd "
 293                         "$ olcDbACLBind "
 294                         "$ olcDbIDAssertAuthcDn "
 295                         "$ olcDbIDAssertPasswd "
 296                         "$ olcDbIDAssertBind "
 297                         "$ olcDbIDAssertMode "
 298                         "$ olcDbIDAssertAuthzFrom "
 299                         "$ olcDbRebindAsUser "
 300                         "$ olcDbChaseReferrals "
 301                         "$ olcDbTFSupport "
 302                         "$ olcDbProxyWhoAmI "
 303                         "$ olcDbTimeout "
 304                         "$ olcDbIdleTimeout "
 305                         "$ olcDbSingleConn "
 306                         "$ olcDbCancel "
 307                 ") )",
 308                         Cft_Database, ldapcfg},
 309         { NULL, 0, NULL }
 310 };
 311
 312 static slap_verbmasks idassert_mode[] = {
 313         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 314         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 315         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 316         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 317         { BER_BVNULL,                   0 }
 318 };
 319
 320 static slap_verbmasks tls_mode[] = {
 321         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 322         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 323         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 324         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 325         { BER_BVC( "none" ),            LDAP_BACK_F_NONE },
 326         { BER_BVNULL,                   0 }
 327 };
 328
 329 static slap_verbmasks t_f_mode[] = {
 330         { BER_BVC( "yes" ),             LDAP_BACK_F_T_F },
 331         { BER_BVC( "discover" ),        LDAP_BACK_F_T_F_DISCOVER },
 332         { BER_BVC( "no" ),              LDAP_BACK_F_NONE },
 333         { BER_BVNULL,                   0 }
 334 };
 335
 336 static slap_verbmasks cancel_mode[] = {
 337         { BER_BVC( "ignore" ),          LDAP_BACK_F_CANCEL_IGNORE },
 338         { BER_BVC( "exop" ),            LDAP_BACK_F_CANCEL_EXOP },
 339         { BER_BVC( "exop-discover" ),   LDAP_BACK_F_CANCEL_EXOP_DISCOVER },
 340         { BER_BVC( "abandon" ),         LDAP_BACK_F_CANCEL_ABANDON },
 341         { BER_BVNULL,                   0 }
 342 };
 343
 344 static slap_cf_aux_table timeout_table[] = {
 345         { BER_BVC("add="), 0 * sizeof( time_t ), 'u', 0, NULL },
 346         { BER_BVC("delete="), 1 * sizeof( time_t ), 'u', 0, NULL },
 347         { BER_BVC("modify="), 2 * sizeof( time_t ), 'u', 0, NULL },
 348         { BER_BVC("modrdn="), 3 * sizeof( time_t ), 'u', 0, NULL },
 349         { BER_BVNULL, 0, 0, 0, NULL }
 350 };
 351
 352 static int
 353 ldap_back_cf_gen( ConfigArgs *c )
 354 {
 355         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 356         int             rc;
 357         int             i;
 358
 359         if ( c->op == SLAP_CONFIG_EMIT ) {
 360                 struct berval   bv = BER_BVNULL;
 361                 rc = 0;
 362
 363                 if ( li == NULL ) {
 364                         return 1;
 365                 }
 366
 367                 switch( c->type ) {
 368                 case LDAP_BACK_CFG_URI:
 369                         if ( li->li_uri != NULL ) {
 370                                 struct berval   bv;
 371
 372                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 373                                 value_add_one( &c->rvalue_vals, &bv );
 374
 375                         } else {
 376                                 rc = 1;
 377                         }
 378                         break;
 379
 380                 case LDAP_BACK_CFG_TLS:
 381                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 382                         assert( !BER_BVISNULL( &bv ) );
 383                         value_add_one( &c->rvalue_vals, &bv );
 384                         break;
 385
 386                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 387                 case LDAP_BACK_CFG_ACL_PASSWD:
 388                 case LDAP_BACK_CFG_ACL_METHOD:
 389                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 390                         rc = 1;
 391                         break;
 392
 393                 case LDAP_BACK_CFG_ACL_BIND: {
 394                         int     i;
 395
 396                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 397                                 return 1;
 398                         }
 399
 400                         bindconf_unparse( &li->li_acl, &bv );
 401
 402                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 403                                 /* count spaces */ ;
 404
 405                         if ( i ) {
 406                                 bv.bv_len -= i;
 407                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 408                                         bv.bv_len + 1 );
 409                         }
 410
 411                         ber_bvarray_add( &c->rvalue_vals, &bv );
 412                         break;
 413                 }
 414
 415                 case LDAP_BACK_CFG_IDASSERT_MODE:
 416                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 417                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 418                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 419                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 420                         rc = 1;
 421                         break;
 422
 423                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 424                         int             i;
 425
 426                         if ( li->li_idassert_authz == NULL ) {
 427                                 rc = 1;
 428                                 break;
 429                         }
 430
 431                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 432                         {
 433                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 434                         }
 435                         break;
 436                 }
 437
 438                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 439                         int             i;
 440                         struct berval   bc = BER_BVNULL;
 441                         char            *ptr;
 442
 443                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 444                                 return 1;
 445                         }
 446
 447                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 448                                 ber_len_t       len;
 449
 450                                 switch ( li->li_idassert_mode ) {
 451                                 case LDAP_BACK_IDASSERT_OTHERID:
 452                                 case LDAP_BACK_IDASSERT_OTHERDN:
 453                                         break;
 454
 455                                 default: {
 456                                         struct berval   mode = BER_BVNULL;
 457
 458                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 459                                         if ( BER_BVISNULL( &mode ) ) {
 460                                                 /* there's something wrong... */
 461                                                 assert( 0 );
 462                                                 rc = 1;
 463
 464                                         } else {
 465                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 466                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 467
 468                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 469                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 470                                         }
 471                                         break;
 472                                 }
 473                                 }
 474
 475                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 476                                         len = bv.bv_len + STRLENOF( "authz=native" );
 477
 478                                         if ( !BER_BVISEMPTY( &bv ) ) {
 479                                                 len += STRLENOF( " " );
 480                                         }
 481
 482                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 483
 484                                         ptr = &bv.bv_val[ bv.bv_len ];
 485
 486                                         if ( !BER_BVISEMPTY( &bv ) ) {
 487                                                 ptr = lutil_strcopy( ptr, " " );
 488                                         }
 489
 490                                         (void)lutil_strcopy( ptr, "authz=native" );
 491                                 }
 492
 493                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override,obsolete-encoding-workaround" );
 494                                 /* flags */
 495                                 if ( !BER_BVISEMPTY( &bv ) ) {
 496                                         len += STRLENOF( " " );
 497                                 }
 498
 499                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 500
 501                                 ptr = &bv.bv_val[ bv.bv_len ];
 502
 503                                 if ( !BER_BVISEMPTY( &bv ) ) {
 504                                         ptr = lutil_strcopy( ptr, " " );
 505                                 }
 506
 507                                 ptr = lutil_strcopy( ptr, "flags=" );
 508
 509                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 510                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 511                                 } else {
 512                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 513                                 }
 514
 515                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 516                                         ptr = lutil_strcopy( ptr, ",override" );
 517                                 }
 518
 519                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 520                                         ptr = lutil_strcopy( ptr, ",obsolete-proxy-authz" );
 521
 522                                 } else if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 523                                         ptr = lutil_strcopy( ptr, ",obsolete-encoding-workaround" );
 524                                 }
 525
 526                                 bv.bv_len = ( ptr - bv.bv_val );
 527                                 /* end-of-flags */
 528                         }
 529
 530                         bindconf_unparse( &li->li_idassert, &bc );
 531
 532                         if ( !BER_BVISNULL( &bv ) ) {
 533                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 534
 535                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 536
 537                                 assert( bc.bv_val[ 0 ] == ' ' );
 538
 539                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 540                                 free( bc.bv_val );
 541                                 bv.bv_len = ptr - bv.bv_val;
 542
 543                         } else {
 544                                 for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
 545                                         /* count spaces */ ;
 546
 547                                 if ( i ) {
 548                                         bc.bv_len -= i;
 549                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 550                                 }
 551
 552                                 bv = bc;
 553                         }
 554
 555                         ber_bvarray_add( &c->rvalue_vals, &bv );
 556
 557                         break;
 558                 }
 559
 560                 case LDAP_BACK_CFG_REBIND:
 561                         c->value_int = LDAP_BACK_SAVECRED( li );
 562                         break;
 563
 564                 case LDAP_BACK_CFG_CHASE:
 565                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 566                         break;
 567
 568                 case LDAP_BACK_CFG_T_F:
 569                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_T_F_MASK2), &bv );
 570                         if ( BER_BVISNULL( &bv ) ) {
 571                                 /* there's something wrong... */
 572                                 assert( 0 );
 573                                 rc = 1;
 574
 575                         } else {
 576                                 value_add_one( &c->rvalue_vals, &bv );
 577                         }
 578                         break;
 579
 580                 case LDAP_BACK_CFG_WHOAMI:
 581                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 582                         break;
 583
 584                 case LDAP_BACK_CFG_TIMEOUT:
 585                         BER_BVZERO( &bv );
 586
 587                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 588                                 if ( li->li_timeout[ i ] != 0 ) {
 589                                         break;
 590                                 }
 591                         }
 592
 593                         if ( i == LDAP_BACK_OP_LAST ) {
 594                                 return 1;
 595                         }
 596
 597                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 598
 599                         if ( BER_BVISNULL( &bv ) ) {
 600                                 return 1;
 601                         }
 602
 603                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 604                                 /* count spaces */ ;
 605
 606                         if ( i ) {
 607                                 bv.bv_len -= i;
 608                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 609                                         bv.bv_len + 1 );
 610                         }
 611
 612                         ber_bvarray_add( &c->rvalue_vals, &bv );
 613                         break;
 614
 615                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 616                         char    buf[ SLAP_TEXT_BUFLEN ];
 617
 618                         if ( li->li_idle_timeout == 0 ) {
 619                                 return 1;
 620                         }
 621
 622                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 623                         ber_str2bv( buf, 0, 0, &bv );
 624                         value_add_one( &c->rvalue_vals, &bv );
 625                         } break;
 626
 627                 case LDAP_BACK_CFG_CONN_TTL: {
 628                         char    buf[ SLAP_TEXT_BUFLEN ];
 629
 630                         if ( li->li_conn_ttl == 0 ) {
 631                                 return 1;
 632                         }
 633
 634                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 635                         ber_str2bv( buf, 0, 0, &bv );
 636                         value_add_one( &c->rvalue_vals, &bv );
 637                         } break;
 638
 639                 case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
 640                         char    buf[ SLAP_TEXT_BUFLEN ];
 641
 642                         if ( li->li_network_timeout == 0 ) {
 643                                 return 1;
 644                         }
 645
 646                         snprintf( buf, sizeof( buf ), "%ld",
 647                                 (long)li->li_network_timeout );
 648                         ber_str2bv( buf, 0, 0, &bv );
 649                         value_add_one( &c->rvalue_vals, &bv );
 650                         } break;
 651
 652                 case LDAP_BACK_CFG_VERSION:
 653                         if ( li->li_version == 0 ) {
 654                                 return 1;
 655                         }
 656
 657                         c->value_int = li->li_version;
 658                         break;
 659
 660                 case LDAP_BACK_CFG_SINGLECONN:
 661                         c->value_int = LDAP_BACK_SINGLECONN( li );
 662                         break;
 663
 664                 case LDAP_BACK_CFG_CANCEL: {
 665                         slap_mask_t     mask = LDAP_BACK_F_CANCEL_MASK2;
 666
 667                         if ( LDAP_BACK_CANCEL_DISCOVER( li ) ) {
 668                                 mask &= ~LDAP_BACK_F_CANCEL_EXOP;
 669                         }
 670                         enum_to_verb( cancel_mode, (li->li_flags & mask), &bv );
 671                         if ( BER_BVISNULL( &bv ) ) {
 672                                 /* there's something wrong... */
 673                                 assert( 0 );
 674                                 rc = 1;
 675
 676                         } else {
 677                                 value_add_one( &c->rvalue_vals, &bv );
 678                         }
 679                         } break;
 680
 681                 default:
 682                         /* FIXME: we need to handle all... */
 683                         assert( 0 );
 684                         break;
 685                 }
 686                 return rc;
 687
 688         } else if ( c->op == LDAP_MOD_DELETE ) {
 689                 rc = 0;
 690                 switch( c->type ) {
 691                 case LDAP_BACK_CFG_URI:
 692                         if ( li->li_uri != NULL ) {
 693                                 ch_free( li->li_uri );
 694                                 li->li_uri = NULL;
 695
 696                                 assert( li->li_bvuri != NULL );
 697                                 ber_bvarray_free( li->li_bvuri );
 698                                 li->li_bvuri = NULL;
 699                         }
 700
 701                         /* better cleanup the cached connections... */
 702                         /* NOTE: don't worry about locking: if we got here,
 703                          * other threads are suspended. */
 704                         if ( li->li_conninfo.lai_tree != NULL ) {
 705                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 706                                 li->li_conninfo.lai_tree = NULL;
 707                         }
 708
 709                         break;
 710
 711                 case LDAP_BACK_CFG_TLS:
 712                         rc = 1;
 713                         break;
 714
 715                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 716                 case LDAP_BACK_CFG_ACL_PASSWD:
 717                 case LDAP_BACK_CFG_ACL_METHOD:
 718                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 719                         rc = 1;
 720                         break;
 721
 722                 case LDAP_BACK_CFG_ACL_BIND:
 723                         bindconf_free( &li->li_acl );
 724                         break;
 725
 726                 case LDAP_BACK_CFG_IDASSERT_MODE:
 727                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 728                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 729                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 730                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 731                         rc = 1;
 732                         break;
 733
 734                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 735                         if ( li->li_idassert_authz != NULL ) {
 736                                 ber_bvarray_free( li->li_idassert_authz );
 737                                 li->li_idassert_authz = NULL;
 738                         }
 739                         break;
 740
 741                 case LDAP_BACK_CFG_IDASSERT_BIND:
 742                         bindconf_free( &li->li_idassert );
 743                         break;
 744
 745                 case LDAP_BACK_CFG_REBIND:
 746                 case LDAP_BACK_CFG_CHASE:
 747                 case LDAP_BACK_CFG_T_F:
 748                 case LDAP_BACK_CFG_WHOAMI:
 749                 case LDAP_BACK_CFG_CANCEL:
 750                         rc = 1;
 751                         break;
 752
 753                 case LDAP_BACK_CFG_TIMEOUT:
 754                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 755                                 li->li_timeout[ i ] = 0;
 756                         }
 757                         break;
 758
 759                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
 760                         li->li_idle_timeout = 0;
 761                         break;
 762
 763                 case LDAP_BACK_CFG_CONN_TTL:
 764                         li->li_conn_ttl = 0;
 765                         break;
 766
 767                 case LDAP_BACK_CFG_NETWORK_TIMEOUT:
 768                         li->li_network_timeout = 0;
 769                         break;
 770
 771                 case LDAP_BACK_CFG_VERSION:
 772                         li->li_version = 0;
 773                         break;
 774
 775                 case LDAP_BACK_CFG_SINGLECONN:
 776                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
 777                         break;
 778
 779                 default:
 780                         /* FIXME: we need to handle all... */
 781                         assert( 0 );
 782                         break;
 783                 }
 784                 return rc;
 785
 786         }
 787
 788         switch( c->type ) {
 789         case LDAP_BACK_CFG_URI: {
 790                 LDAPURLDesc     *tmpludp, *lud;
 791                 char            **urllist = NULL;
 792                 int             urlrc = LDAP_URL_SUCCESS, i;
 793
 794                 if ( li->li_uri != NULL ) {
 795                         ch_free( li->li_uri );
 796                         li->li_uri = NULL;
 797
 798                         assert( li->li_bvuri != NULL );
 799                         ber_bvarray_free( li->li_bvuri );
 800                         li->li_bvuri = NULL;
 801                 }
 802
 803                 /* PARANOID: DN and more are not required nor allowed */
 804                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t", LDAP_PVT_URL_PARSE_NONE );
 805                 if ( urlrc != LDAP_URL_SUCCESS ) {
 806                         char    *why;
 807
 808                         switch ( urlrc ) {
 809                         case LDAP_URL_ERR_MEM:
 810                                 why = "no memory";
 811                                 break;
 812                         case LDAP_URL_ERR_PARAM:
 813                                 why = "parameter is bad";
 814                                 break;
 815                         case LDAP_URL_ERR_BADSCHEME:
 816                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 817                                 break;
 818                         case LDAP_URL_ERR_BADENCLOSURE:
 819                                 why = "URL is missing trailing \">\"";
 820                                 break;
 821                         case LDAP_URL_ERR_BADURL:
 822                                 why = "URL is bad";
 823                                 break;
 824                         case LDAP_URL_ERR_BADHOST:
 825                                 why = "host/port is bad";
 826                                 break;
 827                         case LDAP_URL_ERR_BADATTRS:
 828                                 why = "bad (or missing) attributes";
 829                                 break;
 830                         case LDAP_URL_ERR_BADSCOPE:
 831                                 why = "scope string is invalid (or missing)";
 832                                 break;
 833                         case LDAP_URL_ERR_BADFILTER:
 834                                 why = "bad or missing filter";
 835                                 break;
 836                         case LDAP_URL_ERR_BADEXTS:
 837                                 why = "bad or missing extensions";
 838                                 break;
 839                         default:
 840                                 why = "unknown reason";
 841                                 break;
 842                         }
 843                         snprintf( c->msg, sizeof( c->msg),
 844                                         "unable to parse uri \"%s\" "
 845                                         "in \"uri <uri>\" line: %s",
 846                                         c->value_string, why );
 847                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 848                         urlrc = 1;
 849                         goto done_url;
 850                 }
 851
 852                 for ( i = 0, tmpludp = lud;
 853                                 tmpludp;
 854                                 i++, tmpludp = tmpludp->lud_next )
 855                 {
 856                         if ( ( tmpludp->lud_dn != NULL
 857                                                 && tmpludp->lud_dn[0] != '\0' )
 858                                         || tmpludp->lud_attrs != NULL
 859                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 860                                         || tmpludp->lud_filter != NULL
 861                                         || tmpludp->lud_exts != NULL )
 862                         {
 863                                 snprintf( c->msg, sizeof( c->msg ),
 864                                                 "warning, only protocol, "
 865                                                 "host and port allowed "
 866                                                 "in \"uri <uri>\" statement "
 867                                                 "for uri #%d of \"%s\"",
 868                                                 i, c->argv[ 1 ] );
 869                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 870                         }
 871                 }
 872
 873                 for ( i = 0, tmpludp = lud;
 874                                 tmpludp;
 875                                 i++, tmpludp = tmpludp->lud_next )
 876                         /* just count */
 877                         ;
 878                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 879
 880                 for ( i = 0, tmpludp = lud;
 881                                 tmpludp;
 882                                 i++, tmpludp = tmpludp->lud_next )
 883                 {
 884                         LDAPURLDesc     tmplud;
 885
 886                         tmplud = *tmpludp;
 887                         tmplud.lud_dn = "";
 888                         tmplud.lud_attrs = NULL;
 889                         tmplud.lud_filter = NULL;
 890                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 891                                 tmplud.lud_exts = NULL;
 892                                 tmplud.lud_crit_exts = 0;
 893                         }
 894
 895                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 896
 897                         if ( urllist[ i ] == NULL ) {
 898                                 snprintf( c->msg, sizeof( c->msg),
 899                                         "unable to rebuild uri "
 900                                         "in \"uri <uri>\" statement "
 901                                         "for \"%s\"",
 902                                         c->argv[ 1 ] );
 903                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 904                                 urlrc = 1;
 905                                 goto done_url;
 906                         }
 907                 }
 908
 909                 li->li_uri = ldap_charray2str( urllist, " " );
 910                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 911                         struct berval   bv;
 912
 913                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 914                         ber_bvarray_add( &li->li_bvuri, &bv );
 915                         urllist[ i ] = NULL;
 916                 }
 917                 ldap_memfree( urllist );
 918                 urllist = NULL;
 919
 920 done_url:;
 921                 if ( urllist ) {
 922                         ldap_charray_free( urllist );
 923                 }
 924                 if ( lud ) {
 925                         ldap_free_urllist( lud );
 926                 }
 927                 if ( urlrc != LDAP_URL_SUCCESS ) {
 928                         return 1;
 929                 }
 930                 break;
 931         }
 932
 933         case LDAP_BACK_CFG_TLS:
 934                 i = verb_to_mask( c->argv[1], tls_mode );
 935                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 936                         return 1;
 937                 }
 938                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 939                 li->li_flags |= tls_mode[i].mask;
 940                 break;
 941
 942         case LDAP_BACK_CFG_ACL_AUTHCDN:
 943                 switch ( li->li_acl_authmethod ) {
 944                 case LDAP_AUTH_NONE:
 945                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 946                         break;
 947
 948                 case LDAP_AUTH_SIMPLE:
 949                         break;
 950
 951                 default:
 952                         snprintf( c->msg, sizeof( c->msg),
 953                                 "\"acl-authcDN <DN>\" incompatible "
 954                                 "with auth method %d",
 955                                 li->li_acl_authmethod );
 956                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 957                         return 1;
 958                 }
 959                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 960                         free( li->li_acl_authcDN.bv_val );
 961                 }
 962                 ber_memfree_x( c->value_dn.bv_val, NULL );
 963                 li->li_acl_authcDN = c->value_ndn;
 964                 BER_BVZERO( &c->value_dn );
 965                 BER_BVZERO( &c->value_ndn );
 966                 break;
 967
 968         case LDAP_BACK_CFG_ACL_PASSWD:
 969                 switch ( li->li_acl_authmethod ) {
 970                 case LDAP_AUTH_NONE:
 971                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 972                         break;
 973
 974                 case LDAP_AUTH_SIMPLE:
 975                         break;
 976
 977                 default:
 978                         snprintf( c->msg, sizeof( c->msg ),
 979                                 "\"acl-passwd <cred>\" incompatible "
 980                                 "with auth method %d",
 981                                 li->li_acl_authmethod );
 982                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 983                         return 1;
 984                 }
 985                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
 986                         free( li->li_acl_passwd.bv_val );
 987                 }
 988                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 989                 break;
 990
 991         case LDAP_BACK_CFG_ACL_METHOD:
 992         case LDAP_BACK_CFG_ACL_BIND:
 993                 for ( i = 1; i < c->argc; i++ ) {
 994                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 995                                 return 1;
 996                         }
 997                 }
 998                 break;
 999
1000         case LDAP_BACK_CFG_IDASSERT_MODE:
1001                 i = verb_to_mask( c->argv[1], idassert_mode );
1002                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
1003                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
1004                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
1005                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
1006                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
1007
1008                         } else {
1009                                 struct berval   id, ndn;
1010
1011                                 ber_str2bv( c->argv[1], 0, 0, &id );
1012
1013                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1014                                         id.bv_val += STRLENOF( "dn:" );
1015                                         id.bv_len -= STRLENOF( "dn:" );
1016                                 }
1017
1018                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
1019                                 if ( rc != LDAP_SUCCESS ) {
1020                                         Debug( LDAP_DEBUG_ANY,
1021                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1022                                                 c->fname, c->lineno, c->argv[1] );
1023                                         return 1;
1024                                 }
1025
1026                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1027                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
1028                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1029                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
1030                                 ch_free( ndn.bv_val );
1031
1032                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
1033                         }
1034
1035                 } else {
1036                         li->li_idassert_mode = idassert_mode[i].mask;
1037                 }
1038
1039                 if ( c->argc > 2 ) {
1040                         int     i;
1041
1042                         for ( i = 2; i < c->argc; i++ ) {
1043                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
1044                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1045
1046                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
1047                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1048
1049                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
1050                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1051
1052                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-proxy-authz" ) == 0 ) {
1053                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1054                                                 Debug( LDAP_DEBUG_ANY,
1055                                                         "%s: line %d: \"obsolete-proxy-authz\" flag "
1056                                                         "in \"idassert-mode <args>\" "
1057                                                         "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1058                                                         c->fname, c->lineno, 0 );
1059                                                 return 1;
1060                                         }
1061                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1062
1063                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-encoding-workaround" ) == 0 ) {
1064                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1065                                                 Debug( LDAP_DEBUG_ANY,
1066                                                         "%s: line %d: \"obsolete-encoding-workaround\" flag "
1067                                                         "in \"idassert-mode <args>\" "
1068                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1069                                                         c->fname, c->lineno, 0 );
1070                                                 return 1;
1071                                         }
1072                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1073
1074                                 } else {
1075                                         Debug( LDAP_DEBUG_ANY,
1076                                                 "%s: line %d: unknown flag #%d "
1077                                                 "in \"idassert-mode <args> "
1078                                                 "[<flags>]\" line.\n",
1079                                                 c->fname, c->lineno, i - 2 );
1080                                         return 1;
1081                                 }
1082                         }
1083                 }
1084                 break;
1085
1086         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1087                 switch ( li->li_idassert_authmethod ) {
1088                 case LDAP_AUTH_NONE:
1089                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1090                         break;
1091
1092                 case LDAP_AUTH_SIMPLE:
1093                         break;
1094
1095                 default:
1096                         snprintf( c->msg, sizeof( c->msg ),
1097                                 "\"idassert-authcDN <DN>\" incompatible "
1098                                 "with auth method %d",
1099                                 li->li_idassert_authmethod );
1100                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1101                         return 1;
1102                 }
1103                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
1104                         free( li->li_idassert_authcDN.bv_val );
1105                 }
1106                 ber_memfree_x( c->value_dn.bv_val, NULL );
1107                 li->li_idassert_authcDN = c->value_ndn;
1108                 BER_BVZERO( &c->value_dn );
1109                 BER_BVZERO( &c->value_ndn );
1110                 break;
1111
1112         case LDAP_BACK_CFG_IDASSERT_PASSWD:
1113                 switch ( li->li_idassert_authmethod ) {
1114                 case LDAP_AUTH_NONE:
1115                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1116                         break;
1117
1118                 case LDAP_AUTH_SIMPLE:
1119                         break;
1120
1121                 default:
1122                         snprintf( c->msg, sizeof( c->msg ),
1123                                 "\"idassert-passwd <cred>\" incompatible "
1124                                 "with auth method %d",
1125                                 li->li_idassert_authmethod );
1126                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1127                         return 1;
1128                 }
1129                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
1130                         free( li->li_idassert_passwd.bv_val );
1131                 }
1132                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1133                 break;
1134
1135         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
1136                 struct berval   bv;
1137                 struct berval   in;
1138                 int             rc;
1139
1140                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
1141                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
1142                 if ( rc != LDAP_SUCCESS ) {
1143                         snprintf( c->msg, sizeof( c->msg ),
1144                                 "\"idassert-authzFrom <authz>\": "
1145                                 "invalid syntax" );
1146                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1147                         return 1;
1148                 }
1149                 ber_bvarray_add( &li->li_idassert_authz, &bv );
1150                 } break;
1151
1152         case LDAP_BACK_CFG_IDASSERT_METHOD:
1153                 /* no longer supported */
1154                 snprintf( c->msg, sizeof( c->msg ),
1155                         "\"idassert-method <args>\": "
1156                         "no longer supported; use \"idassert-bind\"" );
1157                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1158                 return 1;
1159
1160         case LDAP_BACK_CFG_IDASSERT_BIND:
1161                 for ( i = 1; i < c->argc; i++ ) {
1162                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
1163                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
1164                                 int     j;
1165
1166                                 j = verb_to_mask( argvi, idassert_mode );
1167                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
1168                                         snprintf( c->msg, sizeof( c->msg ),
1169                                                 "\"idassert-bind <args>\": "
1170                                                 "unknown mode \"%s\"",
1171                                                 argvi );
1172                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1173                                         return 1;
1174                                 }
1175
1176                                 li->li_idassert_mode = idassert_mode[ j ].mask;
1177
1178                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1179                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
1180
1181                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
1182                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
1183                                                 snprintf( c->msg, sizeof( c->msg ),
1184                                                         "\"idassert-bind <args>\": "
1185                                                         "authz=\"native\" incompatible "
1186                                                         "with auth method" );
1187                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1188                                                 return 1;
1189                                         }
1190                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1191
1192                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
1193                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1194
1195                                 } else {
1196                                         snprintf( c->msg, sizeof( c->msg ),
1197                                                 "\"idassert-bind <args>\": "
1198                                                 "unknown authz \"%s\"",
1199                                                 argvi );
1200                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1201                                         return 1;
1202                                 }
1203
1204                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1205                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1206                                 char    **flags = ldap_str2charray( argvi, "," );
1207                                 int     j, err = 0;
1208
1209                                 if ( flags == NULL ) {
1210                                         snprintf( c->msg, sizeof( c->msg ),
1211                                                 "\"idassert-bind <args>\": "
1212                                                 "unable to parse flags \"%s\"",
1213                                                 argvi );
1214                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1215                                         return 1;
1216                                 }
1217
1218                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1219
1220                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1221                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1222
1223                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1224                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1225
1226                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1227                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1228
1229                                         } else if ( strcasecmp( flags[ j ], "obsolete-proxy-authz" ) == 0 ) {
1230                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1231                                                         Debug( LDAP_DEBUG_ANY,
1232                                                                 "%s: line %d: \"obsolete-proxy-authz\" flag "
1233                                                                 "in \"idassert-mode <args>\" "
1234                                                                 "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1235                                                                 c->fname, c->lineno, 0 );
1236                                                         err = 1;
1237                                                         break;
1238
1239                                                 } else {
1240                                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1241                                                 }
1242
1243                                         } else if ( strcasecmp( flags[ j ], "obsolete-encoding-workaround" ) == 0 ) {
1244                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1245                                                         Debug( LDAP_DEBUG_ANY,
1246                                                                 "%s: line %d: \"obsolete-encoding-workaround\" flag "
1247                                                                 "in \"idassert-mode <args>\" "
1248                                                                 "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1249                                                                 c->fname, c->lineno, 0 );
1250                                                         err = 1;
1251                                                         break;
1252
1253                                                 } else {
1254                                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1255                                                 }
1256
1257                                         } else {
1258                                                 snprintf( c->msg, sizeof( c->msg ),
1259                                                         "\"idassert-bind <args>\": "
1260                                                         "unknown flag \"%s\"",
1261                                                         flags[ j ] );
1262                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1263                                                 err = 1;
1264                                                 break;
1265                                         }
1266                                 }
1267
1268                                 ldap_charray_free( flags );
1269                                 if ( err ) {
1270                                         return 1;
1271                                 }
1272
1273                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1274                                 return 1;
1275                         }
1276                 }
1277                 break;
1278
1279         case LDAP_BACK_CFG_REBIND:
1280                 if ( c->argc == 1 || c->value_int ) {
1281                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1282
1283                 } else {
1284                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1285                 }
1286                 break;
1287
1288         case LDAP_BACK_CFG_CHASE:
1289                 if ( c->argc == 1 || c->value_int ) {
1290                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1291
1292                 } else {
1293                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1294                 }
1295                 break;
1296
1297         case LDAP_BACK_CFG_T_F: {
1298                 slap_mask_t             mask;
1299
1300                 i = verb_to_mask( c->argv[1], t_f_mode );
1301                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1302                         return 1;
1303                 }
1304
1305                 mask = t_f_mode[i].mask;
1306
1307                 if ( LDAP_BACK_ISOPEN( li )
1308                         && mask == LDAP_BACK_F_T_F_DISCOVER
1309                         && !LDAP_BACK_T_F( li ) )
1310                 {
1311                         int             rc;
1312
1313                         if ( li->li_uri == NULL ) {
1314                                 snprintf( c->msg, sizeof( c->msg ),
1315                                         "need URI to discover \"cancel\" support "
1316                                         "in \"cancel exop-discover\"" );
1317                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1318                                 return 1;
1319                         }
1320
1321                         rc = slap_discover_feature( li->li_uri, li->li_version,
1322                                         slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
1323                                         LDAP_FEATURE_ABSOLUTE_FILTERS );
1324                         if ( rc == LDAP_COMPARE_TRUE ) {
1325                                 mask |= LDAP_BACK_F_T_F;
1326                         }
1327                 }
1328
1329                 li->li_flags &= ~LDAP_BACK_F_T_F_MASK2;
1330                 li->li_flags |= mask;
1331                 } break;
1332
1333         case LDAP_BACK_CFG_WHOAMI:
1334                 if ( c->argc == 1 || c->value_int ) {
1335                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1336                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1337                                         0, ldap_back_exop_whoami );
1338
1339                 } else {
1340                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1341                 }
1342                 break;
1343
1344         case LDAP_BACK_CFG_TIMEOUT:
1345                 for ( i = 1; i < c->argc; i++ ) {
1346                         if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1347                                 int             j;
1348                                 unsigned        u;
1349
1350                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1351                                         return 1;
1352                                 }
1353
1354                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1355                                         li->li_timeout[ j ] = u;
1356                                 }
1357
1358                                 continue;
1359                         }
1360
1361                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1362                                 return 1;
1363                         }
1364                 }
1365                 break;
1366
1367         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1368                 unsigned long   t;
1369
1370                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1371                         snprintf( c->msg, sizeof( c->msg),
1372                                 "unable to parse idle timeout \"%s\"",
1373                                 c->argv[ 1 ] );
1374                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1375                         return 1;
1376                 }
1377                 li->li_idle_timeout = (time_t)t;
1378                 } break;
1379
1380         case LDAP_BACK_CFG_CONN_TTL: {
1381                 unsigned long   t;
1382
1383                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1384                         snprintf( c->msg, sizeof( c->msg),
1385                                 "unable to parse conn ttl\"%s\"",
1386                                 c->argv[ 1 ] );
1387                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1388                         return 1;
1389                 }
1390                 li->li_conn_ttl = (time_t)t;
1391                 } break;
1392
1393         case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1394                 unsigned long   t;
1395
1396                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1397                         snprintf( c->msg, sizeof( c->msg),
1398                                 "unable to parse network timeout \"%s\"",
1399                                 c->argv[ 1 ] );
1400                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1401                         return 1;
1402                 }
1403                 li->li_network_timeout = (time_t)t;
1404                 } break;
1405
1406         case LDAP_BACK_CFG_VERSION:
1407                 if ( c->value_int != 0 && ( c->value_int < LDAP_VERSION_MIN || c->value_int > LDAP_VERSION_MAX ) ) {
1408                         snprintf( c->msg, sizeof( c->msg ),
1409                                 "unsupported version \"%s\" "
1410                                 "in \"protocol-version <version>\"",
1411                                 c->argv[ 1 ] );
1412                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1413                         return 1;
1414                 }
1415
1416                 li->li_version = c->value_int;
1417                 break;
1418
1419         case LDAP_BACK_CFG_SINGLECONN:
1420                 if ( c->value_int ) {
1421                         li->li_flags |= LDAP_BACK_F_SINGLECONN;
1422
1423                 } else {
1424                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1425                 }
1426                 break;
1427
1428         case LDAP_BACK_CFG_CANCEL: {
1429                 slap_mask_t             mask;
1430
1431                 i = verb_to_mask( c->argv[1], cancel_mode );
1432                 if ( BER_BVISNULL( &cancel_mode[i].word ) ) {
1433                         return 1;
1434                 }
1435
1436                 mask = cancel_mode[i].mask;
1437
1438                 if ( LDAP_BACK_ISOPEN( li )
1439                         && mask == LDAP_BACK_F_CANCEL_EXOP_DISCOVER
1440                         && !LDAP_BACK_CANCEL( li ) )
1441                 {
1442                         int             rc;
1443
1444                         if ( li->li_uri == NULL ) {
1445                                 snprintf( c->msg, sizeof( c->msg ),
1446                                         "need URI to discover \"cancel\" support "
1447                                         "in \"cancel exop-discover\"" );
1448                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1449                                 return 1;
1450                         }
1451
1452                         rc = slap_discover_feature( li->li_uri, li->li_version,
1453                                         slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
1454                                         LDAP_EXOP_CANCEL );
1455                         if ( rc == LDAP_COMPARE_TRUE ) {
1456                                 mask |= LDAP_BACK_F_CANCEL_EXOP;
1457                         }
1458                 }
1459
1460                 li->li_flags &= ~LDAP_BACK_F_CANCEL_MASK2;
1461                 li->li_flags |= mask;
1462                 } break;
1463
1464         case LDAP_BACK_CFG_REWRITE:
1465                 snprintf( c->msg, sizeof( c->msg ),
1466                         "rewrite/remap capabilities have been moved "
1467                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1468                         "for details (hint: add \"overlay rwm\" "
1469                         "and prefix all directives with \"rwm-\")" );
1470                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1471                 return 1;
1472
1473         default:
1474                 /* FIXME: try to catch inconsistencies */
1475                 assert( 0 );
1476                 break;
1477         }
1478
1479         return 0;
1480 }
1481
1482 int
1483 ldap_back_init_cf( BackendInfo *bi )
1484 {
1485         int                     rc;
1486         AttributeDescription    *ad = NULL;
1487         const char              *text;
1488
1489         /* Make sure we don't exceed the bits reserved for userland */
1490         config_check_userland( LDAP_BACK_CFG_LAST );
1491
1492         bi->bi_cf_ocs = ldapocs;
1493
1494         rc = config_register_schema( ldapcfg, ldapocs );
1495         if ( rc ) {
1496                 return rc;
1497         }
1498
1499         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1500          * to be base64-encoded when written in LDIF form;
1501          * basically, we don't care if it fails */
1502         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1503         if ( rc ) {
1504                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1505                         "warning, unable to get \"olcDbACLPasswd\" "
1506                         "attribute description: %d: %s\n",
1507                         rc, text, 0 );
1508         } else {
1509                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1510                         ad->ad_type->sat_oid );
1511         }
1512
1513         ad = NULL;
1514         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1515         if ( rc ) {
1516                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1517                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1518                         "attribute description: %d: %s\n",
1519                         rc, text, 0 );
1520         } else {
1521                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1522                         ad->ad_type->sat_oid );
1523         }
1524
1525         return 0;
1526 }
1527
1528
1529 static int
1530 ldap_back_exop_whoami(
1531                 Operation       *op,
1532                 SlapReply       *rs )
1533 {
1534         struct berval *bv = NULL;
1535
1536         if ( op->oq_extended.rs_reqdata != NULL ) {
1537                 /* no request data should be provided */
1538                 rs->sr_text = "no request data expected";
1539                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1540         }
1541
1542         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1543             op->o_log_prefix, 0, 0, 0, 0 );
1544
1545         rs->sr_err = backend_check_restrictions( op, rs,
1546                         (struct berval *)&slap_EXOP_WHOAMI );
1547         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1548
1549         /* if auth'd by back-ldap and request is proxied, forward it */
1550         if ( op->o_conn->c_authz_backend
1551                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1552                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1553         {
1554                 ldapconn_t      *lc;
1555                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1556                 LDAPMessage *res;
1557                 Operation op2 = *op;
1558                 ber_int_t msgid;
1559                 int doretry = 1;
1560                 char *ptr;
1561
1562                 ctrls[0] = &c;
1563                 op2.o_ndn = op->o_conn->c_ndn;
1564                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1565                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1566                         return -1;
1567                 }
1568                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1569                 c.ldctl_iscritical = 1;
1570                 c.ldctl_value.bv_val = op->o_tmpalloc(
1571                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1572                         op->o_tmpmemctx );
1573                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1574                 ptr = c.ldctl_value.bv_val;
1575                 ptr = lutil_strcopy( ptr, "dn:" );
1576                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1577                 ptr[ 0 ] = '\0';
1578
1579 retry:
1580                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1581                 if ( rs->sr_err == LDAP_SUCCESS ) {
1582                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1583                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1584                                         &rs->sr_err );
1585                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1586                                         doretry = 0;
1587                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1588                                                 goto retry;
1589                                         }
1590                                 }
1591
1592                         } else {
1593                                 /* NOTE: are we sure "bv" will be malloc'ed
1594                                  * with the appropriate memory? */
1595                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1596                                 ldap_msgfree(res);
1597                         }
1598                 }
1599                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1600                 if ( rs->sr_err != LDAP_SUCCESS ) {
1601                         rs->sr_err = slap_map_api2result( rs );
1602                 }
1603
1604                 if ( lc != NULL ) {
1605                         ldap_back_release_conn( &op2, rs, lc );
1606                 }
1607
1608         } else {
1609                 /* else just do the same as before */
1610                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1611                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1612                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1613                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1614                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1615                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1616                                 op->o_dn.bv_len );
1617                         bv->bv_val[ bv->bv_len ] = '\0';
1618
1619                 } else {
1620                         bv->bv_len = 0;
1621                         bv->bv_val = NULL;
1622                 }
1623         }
1624
1625         rs->sr_rspdata = bv;
1626         return rs->sr_err;
1627 }
1628
1629