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_STRING|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", 0, 2, 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                                 c->value_string = ch_strdup( li->li_uri );
 302
 303                         } else {
 304                                 rc = 1;
 305                         }
 306                         break;
 307
 308                 case LDAP_BACK_CFG_TLS:
 309                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 310                         if ( BER_BVISNULL( &bv ) ) {
 311                                 /* there's something wrong... */
 312                                 assert( 0 );
 313                                 rc = 1;
 314
 315                         } else {
 316                                 value_add_one( &c->rvalue_vals, &bv );
 317                         }
 318                         break;
 319
 320                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 321                 case LDAP_BACK_CFG_ACL_PASSWD:
 322                 case LDAP_BACK_CFG_ACL_METHOD:
 323                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 324                         rc = 1;
 325                         break;
 326
 327                 case LDAP_BACK_CFG_ACL_BIND: {
 328                         int     i;
 329
 330                         bindconf_unparse( &li->li_acl, &bv );
 331
 332                         for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 333                                 /* count spaces */ ;
 334
 335                         if ( i ) {
 336                                 bv.bv_len -= i;
 337                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 338                                         bv.bv_len + 1 );
 339                         }
 340
 341                         ber_bvarray_add( &c->rvalue_vals, &bv );
 342                         break;
 343                 }
 344
 345                 case LDAP_BACK_CFG_IDASSERT_MODE:
 346                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 347                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 348                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 349                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 350                         rc = 1;
 351                         break;
 352
 353                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 354                         int             i;
 355
 356                         if ( li->li_idassert_authz == NULL ) {
 357                                 rc = 1;
 358                                 break;
 359                         }
 360
 361                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 362                         {
 363                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 364                         }
 365                         break;
 366                 }
 367
 368                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 369                         int             i;
 370                         struct berval   bc = BER_BVNULL;
 371                         char            *ptr;
 372
 373                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 374                                 ber_len_t       len;
 375
 376                                 switch ( li->li_idassert_mode ) {
 377                                 case LDAP_BACK_IDASSERT_OTHERID:
 378                                 case LDAP_BACK_IDASSERT_OTHERDN:
 379                                         break;
 380
 381                                 default: {
 382                                         struct berval   mode = BER_BVNULL;
 383
 384                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 385                                         if ( BER_BVISNULL( &mode ) ) {
 386                                                 /* there's something wrong... */
 387                                                 assert( 0 );
 388                                                 rc = 1;
 389
 390                                         } else {
 391                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 392                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 393
 394                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 395                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 396                                         }
 397                                         break;
 398                                 }
 399                                 }
 400
 401                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 402                                         len = bv.bv_len + STRLENOF( "authz=native" );
 403
 404                                         if ( !BER_BVISEMPTY( &bv ) ) {
 405                                                 len += STRLENOF( " " );
 406                                         }
 407
 408                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 409
 410                                         ptr = &bv.bv_val[ bv.bv_len ];
 411
 412                                         if ( !BER_BVISEMPTY( &bv ) ) {
 413                                                 ptr = lutil_strcopy( ptr, " " );
 414                                         }
 415
 416                                         (void)lutil_strcopy( ptr, "authz=native" );
 417                                 }
 418
 419                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override" );
 420                                 /* flags */
 421                                 if ( !BER_BVISEMPTY( &bv ) ) {
 422                                         len += STRLENOF( " " );
 423                                 }
 424
 425                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 426
 427                                 ptr = &bv.bv_val[ bv.bv_len ];
 428
 429                                 if ( !BER_BVISEMPTY( &bv ) ) {
 430                                         ptr = lutil_strcopy( ptr, " " );
 431                                 }
 432
 433                                 ptr = lutil_strcopy( ptr, "flags=" );
 434
 435                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 436                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 437                                 } else {
 438                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 439                                 }
 440
 441                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 442                                         ptr = lutil_strcopy( ptr, ",override" );
 443                                 }
 444
 445                                 bv.bv_len = ( ptr - bv.bv_val );
 446                                 /* end-of-flags */
 447                         }
 448
 449                         bindconf_unparse( &li->li_idassert, &bc );
 450
 451                         if ( !BER_BVISNULL( &bv ) ) {
 452                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 453
 454                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 455
 456                                 assert( bc.bv_val[ 0 ] == ' ' );
 457
 458                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 459                                 free( bc.bv_val );
 460                                 bv.bv_len = ptr - bv.bv_val;
 461
 462                         } else {
 463                                 for ( i = 0; isspace( bc.bv_val[ i ] ); i++ )
 464                                         /* count spaces */ ;
 465
 466                                 if ( i ) {
 467                                         bc.bv_len -= i;
 468                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 469                                 }
 470
 471                                 bv = bc;
 472                         }
 473
 474                         ber_bvarray_add( &c->rvalue_vals, &bv );
 475
 476                         break;
 477                 }
 478
 479                 case LDAP_BACK_CFG_REBIND:
 480                         c->value_int = LDAP_BACK_SAVECRED( li );
 481                         break;
 482
 483                 case LDAP_BACK_CFG_CHASE:
 484                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 485                         break;
 486
 487                 case LDAP_BACK_CFG_T_F:
 488                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_SUPPORT_T_F_MASK), &bv );
 489                         if ( BER_BVISNULL( &bv ) ) {
 490                                 /* there's something wrong... */
 491                                 assert( 0 );
 492                                 rc = 1;
 493
 494                         } else {
 495                                 value_add_one( &c->rvalue_vals, &bv );
 496                         }
 497                         break;
 498
 499                 case LDAP_BACK_CFG_WHOAMI:
 500                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 501                         break;
 502
 503                 case LDAP_BACK_CFG_TIMEOUT:
 504                         BER_BVZERO( &bv );
 505
 506                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 507
 508                         if ( !BER_BVISNULL( &bv ) ) {
 509                                 for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 510                                         /* count spaces */ ;
 511
 512                                 if ( i ) {
 513                                         bv.bv_len -= i;
 514                                         AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 515                                                 bv.bv_len + 1 );
 516                                 }
 517
 518                                 ber_bvarray_add( &c->rvalue_vals, &bv );
 519                         }
 520                         break;
 521
 522                 default:
 523                         /* FIXME: we need to handle all... */
 524                         assert( 0 );
 525                         break;
 526                 }
 527                 return rc;
 528
 529         } else if ( c->op == LDAP_MOD_DELETE ) {
 530                 rc = 0;
 531                 switch( c->type ) {
 532                 case LDAP_BACK_CFG_URI:
 533                         if ( li->li_uri != NULL ) {
 534                                 ch_free( li->li_uri );
 535                                 li->li_uri = NULL;
 536
 537                                 assert( li->li_bvuri != NULL );
 538                                 ber_bvarray_free( li->li_bvuri );
 539                                 li->li_bvuri = NULL;
 540                         }
 541
 542                         /* better cleanup the cached connections... */
 543                         /* NOTE: don't worry about locking: if we got here,
 544                          * other threads are suspended. */
 545                         if ( li->li_conninfo.lai_tree != NULL ) {
 546                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 547                                 li->li_conninfo.lai_tree = NULL;
 548                         }
 549
 550                         break;
 551
 552                 case LDAP_BACK_CFG_TLS:
 553                         rc = 1;
 554                         break;
 555
 556                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 557                 case LDAP_BACK_CFG_ACL_PASSWD:
 558                 case LDAP_BACK_CFG_ACL_METHOD:
 559                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 560                         rc = 1;
 561                         break;
 562
 563                 case LDAP_BACK_CFG_ACL_BIND:
 564                         bindconf_free( &li->li_acl );
 565                         break;
 566
 567                 case LDAP_BACK_CFG_IDASSERT_MODE:
 568                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 569                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 570                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 571                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 572                         rc = 1;
 573                         break;
 574
 575                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 576                         if ( li->li_idassert_authz != NULL ) {
 577                                 ber_bvarray_free( li->li_idassert_authz );
 578                                 li->li_idassert_authz = NULL;
 579                         }
 580                         break;
 581
 582                 case LDAP_BACK_CFG_IDASSERT_BIND:
 583                         bindconf_free( &li->li_idassert );
 584                         break;
 585
 586                 case LDAP_BACK_CFG_REBIND:
 587                 case LDAP_BACK_CFG_CHASE:
 588                 case LDAP_BACK_CFG_T_F:
 589                 case LDAP_BACK_CFG_WHOAMI:
 590                         rc = 1;
 591                         break;
 592
 593                 case LDAP_BACK_CFG_TIMEOUT:
 594                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 595                                 li->li_timeout[ i ] = 0;
 596                         }
 597                         break;
 598
 599                 default:
 600                         /* FIXME: we need to handle all... */
 601                         assert( 0 );
 602                         break;
 603                 }
 604                 return rc;
 605
 606         }
 607
 608         switch( c->type ) {
 609         case LDAP_BACK_CFG_URI: {
 610                 LDAPURLDesc     *tmpludp, *lud;
 611                 char            **urllist = NULL;
 612                 int             urlrc = LDAP_URL_SUCCESS, i;
 613
 614                 if ( c->argc != 2 ) {
 615                         fprintf( stderr, "%s: line %d: "
 616                                         "missing uri "
 617                                         "in \"uri <uri>\" line\n",
 618                                         c->fname, c->lineno );
 619                         return 1;
 620                 }
 621
 622                 if ( li->li_uri != NULL ) {
 623                         ch_free( li->li_uri );
 624                         li->li_uri = NULL;
 625
 626                         assert( li->li_bvuri != NULL );
 627                         ber_bvarray_free( li->li_bvuri );
 628                         li->li_bvuri = NULL;
 629                 }
 630
 631                 /* PARANOID: DN and more are not required nor allowed */
 632                 urlrc = ldap_url_parselist_ext( &lud, c->value_string, ", \t" );
 633                 if ( urlrc != LDAP_URL_SUCCESS ) {
 634                         char    *why;
 635
 636                         switch ( urlrc ) {
 637                         case LDAP_URL_ERR_MEM:
 638                                 why = "no memory";
 639                                 break;
 640                         case LDAP_URL_ERR_PARAM:
 641                                 why = "parameter is bad";
 642                                 break;
 643                         case LDAP_URL_ERR_BADSCHEME:
 644                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 645                                 break;
 646                         case LDAP_URL_ERR_BADENCLOSURE:
 647                                 why = "URL is missing trailing \">\"";
 648                                 break;
 649                         case LDAP_URL_ERR_BADURL:
 650                                 why = "URL is bad";
 651                                 break;
 652                         case LDAP_URL_ERR_BADHOST:
 653                                 why = "host/port is bad";
 654                                 break;
 655                         case LDAP_URL_ERR_BADATTRS:
 656                                 why = "bad (or missing) attributes";
 657                                 break;
 658                         case LDAP_URL_ERR_BADSCOPE:
 659                                 why = "scope string is invalid (or missing)";
 660                                 break;
 661                         case LDAP_URL_ERR_BADFILTER:
 662                                 why = "bad or missing filter";
 663                                 break;
 664                         case LDAP_URL_ERR_BADEXTS:
 665                                 why = "bad or missing extensions";
 666                                 break;
 667                         default:
 668                                 why = "unknown reason";
 669                                 break;
 670                         }
 671                         fprintf( stderr, "%s: line %d: "
 672                                         "unable to parse uri \"%s\" "
 673                                         "in \"uri <uri>\" line: %s\n",
 674                                         c->fname, c->lineno, c->value_string, why );
 675                         urlrc = 1;
 676                         goto done_url;
 677                 }
 678
 679                 for ( i = 0, tmpludp = lud;
 680                                 tmpludp;
 681                                 i++, tmpludp = tmpludp->lud_next )
 682                 {
 683                         if ( ( tmpludp->lud_dn != NULL
 684                                                 && tmpludp->lud_dn[0] != '\0' )
 685                                         || tmpludp->lud_attrs != NULL
 686                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 687                                         || tmpludp->lud_filter != NULL
 688                                         || tmpludp->lud_exts != NULL )
 689                         {
 690                                 fprintf( stderr, "%s: line %d: "
 691                                                 "warning, only protocol, "
 692                                                 "host and port allowed "
 693                                                 "in \"uri <uri>\" statement "
 694                                                 "for uri #%d of \"%s\"\n",
 695                                                 c->fname, c->lineno, i, c->value_string );
 696                         }
 697                 }
 698
 699                 for ( i = 0, tmpludp = lud;
 700                                 tmpludp;
 701                                 i++, tmpludp = tmpludp->lud_next )
 702                         /* just count */
 703                         ;
 704                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 705
 706                 for ( i = 0, tmpludp = lud;
 707                                 tmpludp;
 708                                 i++, tmpludp = tmpludp->lud_next )
 709                 {
 710                         LDAPURLDesc     tmplud;
 711
 712                         tmplud = *tmpludp;
 713                         tmplud.lud_dn = "";
 714                         tmplud.lud_attrs = NULL;
 715                         tmplud.lud_filter = NULL;
 716                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 717                                 tmplud.lud_exts = NULL;
 718                                 tmplud.lud_crit_exts = 0;
 719                         }
 720
 721                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 722
 723                         if ( urllist[ i ] == NULL ) {
 724                                 fprintf( stderr, "%s: line %d: "
 725                                         "unable to rebuild uri "
 726                                         "in \"uri <uri>\" statement "
 727                                         "for \"%s\"\n",
 728                                         c->fname, c->lineno, c->argv[ 1 ] );
 729                                 urlrc = 1;
 730                                 goto done_url;
 731                         }
 732                 }
 733
 734                 li->li_uri = ldap_charray2str( urllist, " " );
 735                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 736                         struct berval   bv;
 737
 738                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 739                         ber_bvarray_add( &li->li_bvuri, &bv );
 740                         urllist[ i ] = NULL;
 741                 }
 742                 ldap_memfree( urllist );
 743                 urllist = NULL;
 744
 745 done_url:;
 746                 if ( urllist ) {
 747                         ldap_charray_free( urllist );
 748                 }
 749                 if ( lud ) {
 750                         ldap_free_urllist( lud );
 751                 }
 752                 if ( urlrc != LDAP_URL_SUCCESS ) {
 753                         return 1;
 754                 }
 755                 break;
 756         }
 757
 758         case LDAP_BACK_CFG_TLS:
 759                 i = verb_to_mask( c->argv[1], tls_mode );
 760                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 761                         return 1;
 762                 }
 763                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 764                 li->li_flags |= tls_mode[i].mask;
 765                 break;
 766
 767         case LDAP_BACK_CFG_ACL_AUTHCDN:
 768                 switch ( li->li_acl_authmethod ) {
 769                 case LDAP_AUTH_NONE:
 770                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 771                         break;
 772
 773                 case LDAP_AUTH_SIMPLE:
 774                         break;
 775
 776                 default:
 777                         fprintf( stderr, "%s: line %d: "
 778                                 "\"acl-authcDN <DN>\" incompatible "
 779                                 "with auth method %d.",
 780                                 c->fname, c->lineno, li->li_acl_authmethod );
 781                         return 1;
 782                 }
 783                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 784                         free( li->li_acl_authcDN.bv_val );
 785                 }
 786                 ber_memfree_x( c->value_dn.bv_val, NULL );
 787                 li->li_acl_authcDN = c->value_ndn;
 788                 BER_BVZERO( &c->value_dn );
 789                 BER_BVZERO( &c->value_ndn );
 790                 break;
 791
 792         case LDAP_BACK_CFG_ACL_PASSWD:
 793                 switch ( li->li_acl_authmethod ) {
 794                 case LDAP_AUTH_NONE:
 795                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 796                         break;
 797
 798                 case LDAP_AUTH_SIMPLE:
 799                         break;
 800
 801                 default:
 802                         fprintf( stderr, "%s: line %d: "
 803                                 "\"acl-passwd <cred>\" incompatible "
 804                                 "with auth method %d.",
 805                                 c->fname, c->lineno, li->li_acl_authmethod );
 806                         return 1;
 807                 }
 808                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
 809                         free( li->li_acl_passwd.bv_val );
 810                 }
 811                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 812                 break;
 813
 814         case LDAP_BACK_CFG_ACL_METHOD:
 815         case LDAP_BACK_CFG_ACL_BIND:
 816                 for ( i = 1; i < c->argc; i++ ) {
 817                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 818                                 return 1;
 819                         }
 820                 }
 821                 break;
 822
 823         case LDAP_BACK_CFG_IDASSERT_MODE:
 824                 i = verb_to_mask( c->argv[1], idassert_mode );
 825                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 826                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 827                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 828                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
 829                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
 830
 831                         } else {
 832                                 struct berval   id, ndn;
 833
 834                                 ber_str2bv( c->argv[1], 0, 0, &id );
 835
 836                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 837                                         id.bv_val += STRLENOF( "dn:" );
 838                                         id.bv_len -= STRLENOF( "dn:" );
 839                                 }
 840
 841                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 842                                 if ( rc != LDAP_SUCCESS ) {
 843                                         Debug( LDAP_DEBUG_ANY,
 844                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 845                                                 c->fname, c->lineno, c->argv[1] );
 846                                         return 1;
 847                                 }
 848
 849                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 850                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
 851                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 852                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 853                                 ch_free( ndn.bv_val );
 854
 855                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 856                         }
 857
 858                 } else {
 859                         li->li_idassert_mode = idassert_mode[i].mask;
 860                 }
 861
 862                 if ( c->argc > 2 ) {
 863                         int     i;
 864
 865                         for ( i = 2; i < c->argc; i++ ) {
 866                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 867                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 868
 869                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 870                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 871
 872                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 873                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 874
 875                                 } else {
 876                                         Debug( LDAP_DEBUG_ANY,
 877                                                 "%s: line %d: unknown flag #%d "
 878                                                 "in \"idassert-mode <args> "
 879                                                 "[<flags>]\" line.\n",
 880                                                 c->fname, c->lineno, i - 2 );
 881                                         return 1;
 882                                 }
 883                         }
 884                 }
 885                 break;
 886
 887         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 888                 switch ( li->li_idassert_authmethod ) {
 889                 case LDAP_AUTH_NONE:
 890                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 891                         break;
 892
 893                 case LDAP_AUTH_SIMPLE:
 894                         break;
 895
 896                 default:
 897                         fprintf( stderr, "%s: line %d: "
 898                                 "\"idassert-authcDN <DN>\" incompatible "
 899                                 "with auth method %d.",
 900                                 c->fname, c->lineno, li->li_idassert_authmethod );
 901                         return 1;
 902                 }
 903                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
 904                         free( li->li_idassert_authcDN.bv_val );
 905                 }
 906                 ber_memfree_x( c->value_dn.bv_val, NULL );
 907                 li->li_idassert_authcDN = c->value_ndn;
 908                 BER_BVZERO( &c->value_dn );
 909                 BER_BVZERO( &c->value_ndn );
 910                 break;
 911
 912         case LDAP_BACK_CFG_IDASSERT_PASSWD:
 913                 switch ( li->li_idassert_authmethod ) {
 914                 case LDAP_AUTH_NONE:
 915                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 916                         break;
 917
 918                 case LDAP_AUTH_SIMPLE:
 919                         break;
 920
 921                 default:
 922                         fprintf( stderr, "%s: line %d: "
 923                                 "\"idassert-passwd <cred>\" incompatible "
 924                                 "with auth method %d.",
 925                                 c->fname, c->lineno, li->li_idassert_authmethod );
 926                         return 1;
 927                 }
 928                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
 929                         free( li->li_idassert_passwd.bv_val );
 930                 }
 931                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
 932                 break;
 933
 934         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 935                 struct berval   bv;
 936 #ifdef SLAP_AUTHZ_SYNTAX
 937                 struct berval   in;
 938                 int             rc;
 939
 940                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
 941                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
 942                 if ( rc != LDAP_SUCCESS ) {
 943                         fprintf( stderr, "%s: %d: "
 944                                 "\"idassert-authzFrom <authz>\": "
 945                                 "invalid syntax.\n",
 946                                 c->fname, c->lineno );
 947                         return 1;
 948                 }
 949 #else /* !SLAP_AUTHZ_SYNTAX */
 950                 ber_str2bv( c->argv[ 1 ], 0, 1, &bv );
 951 #endif /* !SLAP_AUTHZ_SYNTAX */
 952                 ber_bvarray_add( &li->li_idassert_authz, &bv );
 953                 } break;
 954
 955         case LDAP_BACK_CFG_IDASSERT_METHOD:
 956                 /* no longer supported */
 957                 fprintf( stderr, "%s: %d: "
 958                         "\"idassert-method <args>\": "
 959                         "no longer supported; use \"idassert-bind\".\n",
 960                         c->fname, c->lineno );
 961                 return 1;
 962
 963         case LDAP_BACK_CFG_IDASSERT_BIND:
 964                 for ( i = 1; i < c->argc; i++ ) {
 965                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
 966                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
 967                                 int     j;
 968
 969                                 j = verb_to_mask( argvi, idassert_mode );
 970                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
 971                                         fprintf( stderr, "%s: %d: "
 972                                                 "\"idassert-bind <args>\": "
 973                                                 "unknown mode \"%s\".\n",
 974                                                 c->fname, c->lineno, argvi );
 975                                         return 1;
 976                                 }
 977
 978                                 li->li_idassert_mode = idassert_mode[ j ].mask;
 979
 980                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 981                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
 982
 983                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
 984                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
 985                                                 fprintf( stderr, "%s: %d: "
 986                                                         "\"idassert-bind <args>\": "
 987                                                         "authz=\"native\" incompatible "
 988                                                         "with auth method.\n",
 989                                                         c->fname, c->lineno );
 990                                                 return 1;
 991                                         }
 992                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 993
 994                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
 995                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 996
 997                                 } else {
 998                                         fprintf( stderr, "%s: %d: "
 999                                                 "\"idassert-bind <args>\": "
1000                                                 "unknown authz \"%s\".\n",
1001                                                 c->fname, c->lineno, argvi );
1002                                         return 1;
1003                                 }
1004
1005                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1006                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1007                                 char    **flags = ldap_str2charray( argvi, "," );
1008                                 int     j;
1009
1010                                 if ( flags == NULL ) {
1011                                         fprintf( stderr, "%s: %d: "
1012                                                 "\"idassert-bind <args>\": "
1013                                                 "unable to parse flags \"%s\".\n",
1014                                                 c->fname, c->lineno, argvi );
1015                                         return 1;
1016                                 }
1017
1018                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1019                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1020                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1021
1022                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1023                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1024
1025                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1026                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1027
1028                                         } else {
1029                                                 fprintf( stderr, "%s: %d: "
1030                                                         "\"idassert-bind <args>\": "
1031                                                         "unknown flag \"%s\".\n",
1032                                                         c->fname, c->lineno, flags[ j ] );
1033                                                 return 1;
1034                                         }
1035                                 }
1036
1037                                 ldap_charray_free( flags );
1038
1039                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1040                                 return 1;
1041                         }
1042                 }
1043                 break;
1044
1045         case LDAP_BACK_CFG_REBIND:
1046                 if ( c->argc == 1 || c->value_int ) {
1047                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1048
1049                 } else {
1050                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1051                 }
1052                 break;
1053
1054         case LDAP_BACK_CFG_CHASE:
1055                 if ( c->argc == 1 || c->value_int ) {
1056                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1057
1058                 } else {
1059                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1060                 }
1061                 break;
1062
1063         case LDAP_BACK_CFG_T_F:
1064                 i = verb_to_mask( c->argv[1], t_f_mode );
1065                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1066                         return 1;
1067                 }
1068                 li->li_flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1069                 li->li_flags |= t_f_mode[i].mask;
1070                 break;
1071
1072         case LDAP_BACK_CFG_WHOAMI:
1073                 if ( c->argc == 1 || c->value_int ) {
1074                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1075                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1076                                         0, ldap_back_exop_whoami );
1077
1078                 } else {
1079                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1080                 }
1081                 break;
1082
1083         case LDAP_BACK_CFG_TIMEOUT:
1084                 if ( c->argc < 2 ) {
1085                         return 1;
1086                 }
1087
1088                 for ( i = 1; i < c->argc; i++ ) {
1089                         if ( isdigit( c->argv[ i ][ 0 ] ) ) {
1090                                 char            *next;
1091                                 int             j;
1092                                 unsigned        u;
1093
1094                                 u = strtoul( c->argv[ i ], &next, 0 );
1095                                 if ( next == c->argv[ i ] || next[ 0 ] != '\0' ) {
1096                                         return 1;
1097                                 }
1098
1099                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1100                                         li->li_timeout[ j ] = u;
1101                                 }
1102
1103                                 continue;
1104                         }
1105
1106                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1107                                 return 1;
1108                         }
1109                 }
1110                 break;
1111
1112         case LDAP_BACK_CFG_REWRITE:
1113                 fprintf( stderr, "%s: line %d: "
1114                         "rewrite/remap capabilities have been moved "
1115                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1116                         "for details (hint: add \"overlay rwm\" "
1117                         "and prefix all directives with \"rwm-\").\n",
1118                         c->fname, c->lineno );
1119                 return 1;
1120
1121         default:
1122                 /* FIXME: try to catch inconsistencies */
1123                 assert( 0 );
1124                 break;
1125         }
1126
1127         return 0;
1128 }
1129
1130 int
1131 ldap_back_init_cf( BackendInfo *bi )
1132 {
1133         int                     rc;
1134         AttributeDescription    *ad = NULL;
1135         const char              *text;
1136
1137         /* Make sure we don't exceed the bits reserved for userland */
1138         config_check_userland( LDAP_BACK_CFG_LAST );
1139
1140         bi->bi_cf_ocs = ldapocs;
1141
1142         rc = config_register_schema( ldapcfg, ldapocs );
1143         if ( rc ) {
1144                 return rc;
1145         }
1146
1147         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1148          * to be base64-encoded when written in LDIF form;
1149          * basically, we don't care if it fails */
1150         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1151         if ( rc ) {
1152                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1153                         "warning, unable to get \"olcDbACLPasswd\" "
1154                         "attribute description: %d: %s\n",
1155                         rc, text, 0 );
1156         } else {
1157                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1158                         ad->ad_type->sat_oid );
1159         }
1160
1161         ad = NULL;
1162         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1163         if ( rc ) {
1164                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1165                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1166                         "attribute description: %d: %s\n",
1167                         rc, text, 0 );
1168         } else {
1169                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1170                         ad->ad_type->sat_oid );
1171         }
1172
1173         return 0;
1174 }
1175
1176
1177 static int
1178 ldap_back_exop_whoami(
1179                 Operation       *op,
1180                 SlapReply       *rs )
1181 {
1182         struct berval *bv = NULL;
1183
1184         if ( op->oq_extended.rs_reqdata != NULL ) {
1185                 /* no request data should be provided */
1186                 rs->sr_text = "no request data expected";
1187                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1188         }
1189
1190         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1191             op->o_log_prefix, 0, 0, 0, 0 );
1192
1193         rs->sr_err = backend_check_restrictions( op, rs,
1194                         (struct berval *)&slap_EXOP_WHOAMI );
1195         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1196
1197         /* if auth'd by back-ldap and request is proxied, forward it */
1198         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)) {
1199                 ldapconn_t      *lc;
1200
1201                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1202                 LDAPMessage *res;
1203                 Operation op2 = *op;
1204                 ber_int_t msgid;
1205                 int doretry = 1;
1206
1207                 ctrls[0] = &c;
1208                 op2.o_ndn = op->o_conn->c_ndn;
1209                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1210                 if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) {
1211                         return -1;
1212                 }
1213                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1214                 c.ldctl_iscritical = 1;
1215                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
1216                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1217                 strcpy(c.ldctl_value.bv_val, "dn:");
1218                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
1219
1220 retry:
1221                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
1222                 if (rs->sr_err == LDAP_SUCCESS) {
1223                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
1224                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1225                                         &rs->sr_err);
1226                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1227                                         doretry = 0;
1228                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) )
1229                                                 goto retry;
1230                                 }
1231                                 ldap_back_freeconn( op, lc, 1 );
1232                                 lc = NULL;
1233
1234                         } else {
1235                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
1236                                 ldap_msgfree(res);
1237                         }
1238                 }
1239                 ch_free(c.ldctl_value.bv_val);
1240                 if (rs->sr_err != LDAP_SUCCESS) {
1241                         rs->sr_err = slap_map_api2result( rs );
1242                 }
1243
1244                 if ( lc != NULL ) {
1245                         ldap_back_release_conn( &op2, rs, lc );
1246                 }
1247
1248         } else {
1249         /* else just do the same as before */
1250                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
1251                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1252                         bv->bv_len = op->o_dn.bv_len + STRLENOF("dn:");
1253                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1254                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF("dn:") );
1255                         AC_MEMCPY( &bv->bv_val[STRLENOF("dn:")], op->o_dn.bv_val,
1256                                 op->o_dn.bv_len );
1257                         bv->bv_val[bv->bv_len] = '\0';
1258                 } else {
1259                         bv->bv_len = 0;
1260                         bv->bv_val = NULL;
1261                 }
1262         }
1263
1264         rs->sr_rspdata = bv;
1265         return rs->sr_err;
1266 }
1267
1268