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