git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/config.c

   1 /* config.c - ldap backend configuration file routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2006 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/ctype.h>
  30 #include <ac/socket.h>
  31
  32 #include "slap.h"
  33 #include "config.h"
  34 #include "back-ldap.h"
  35 #include "lutil.h"
  36 #include "ldif.h"
  37 #undef ldap_debug
  38 /* for advanced URL parsing */
  39 #include "../../../libraries/libldap/ldap-int.h"
  40
  41 static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
  42
  43 static ConfigDriver ldap_back_cf_gen;
  44
  45 enum {
  46         LDAP_BACK_CFG_URI = 1,
  47         LDAP_BACK_CFG_TLS,
  48         LDAP_BACK_CFG_ACL_AUTHCDN,
  49         LDAP_BACK_CFG_ACL_PASSWD,
  50         LDAP_BACK_CFG_ACL_METHOD,
  51         LDAP_BACK_CFG_ACL_BIND,
  52         LDAP_BACK_CFG_IDASSERT_MODE,
  53         LDAP_BACK_CFG_IDASSERT_AUTHCDN,
  54         LDAP_BACK_CFG_IDASSERT_PASSWD,
  55         LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
  56         LDAP_BACK_CFG_IDASSERT_METHOD,
  57         LDAP_BACK_CFG_IDASSERT_BIND,
  58         LDAP_BACK_CFG_REBIND,
  59         LDAP_BACK_CFG_CHASE,
  60         LDAP_BACK_CFG_T_F,
  61         LDAP_BACK_CFG_WHOAMI,
  62         LDAP_BACK_CFG_TIMEOUT,
  63         LDAP_BACK_CFG_IDLE_TIMEOUT,
  64         LDAP_BACK_CFG_CONN_TTL,
  65         LDAP_BACK_CFG_NETWORK_TIMEOUT,
  66         LDAP_BACK_CFG_REWRITE,
  67
  68         LDAP_BACK_CFG_LAST
  69 };
  70
  71 static ConfigTable ldapcfg[] = {
  72         { "uri", "uri", 2, 2, 0,
  73                 ARG_MAGIC|LDAP_BACK_CFG_URI,
  74                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  75                         "NAME 'olcDbURI' "
  76                         "DESC 'URI (list) for remote DSA' "
  77                         "SYNTAX OMsDirectoryString "
  78                         "SINGLE-VALUE )",
  79                 NULL, NULL },
  80         { "tls", "what", 2, 2, 0,
  81                 ARG_MAGIC|LDAP_BACK_CFG_TLS,
  82                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  83                         "NAME 'olcDbStartTLS' "
  84                         "DESC 'StartTLS' "
  85                         "SYNTAX OMsDirectoryString "
  86                         "SINGLE-VALUE )",
  87                 NULL, NULL },
  88         { "acl-authcDN", "DN", 2, 2, 0,
  89                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  90                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  91                         "NAME 'olcDbACLAuthcDn' "
  92                         "DESC 'Remote ACL administrative identity' "
  93                         "OBSOLETE "
  94                         "SYNTAX OMsDN "
  95                         "SINGLE-VALUE )",
  96                 NULL, NULL },
  97         /* deprecated, will be removed; aliases "acl-authcDN" */
  98         { "binddn", "DN", 2, 2, 0,
  99                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
 100                 ldap_back_cf_gen, NULL, NULL, NULL },
 101         { "acl-passwd", "cred", 2, 2, 0,
 102                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 103                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
 104                         "NAME 'olcDbACLPasswd' "
 105                         "DESC 'Remote ACL administrative identity credentials' "
 106                         "OBSOLETE "
 107                         "SYNTAX OMsDirectoryString "
 108                         "SINGLE-VALUE )",
 109                 NULL, NULL },
 110         /* deprecated, will be removed; aliases "acl-passwd" */
 111         { "bindpw", "cred", 2, 2, 0,
 112                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 113                 ldap_back_cf_gen, NULL, NULL, NULL },
 114         /* deprecated, will be removed; aliases "acl-bind" */
 115         { "acl-method", "args", 2, 0, 0,
 116                 ARG_MAGIC|LDAP_BACK_CFG_ACL_METHOD,
 117                 ldap_back_cf_gen, NULL, NULL, NULL },
 118         { "acl-bind", "args", 2, 0, 0,
 119                 ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 120                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 121                         "NAME 'olcDbACLBind' "
 122                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 123                         "SYNTAX OMsDirectoryString "
 124                         "SINGLE-VALUE )",
 125                 NULL, NULL },
 126         { "idassert-authcDN", "DN", 2, 2, 0,
 127                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 128                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 129                         "NAME 'olcDbIDAssertAuthcDn' "
 130                         "DESC 'Remote Identity Assertion administrative identity' "
 131                         "OBSOLETE "
 132                         "SYNTAX OMsDN "
 133                         "SINGLE-VALUE )",
 134                 NULL, NULL },
 135         /* deprecated, will be removed; partially aliases "idassert-authcDN" */
 136         { "proxyauthzdn", "DN", 2, 2, 0,
 137                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 138                 ldap_back_cf_gen, NULL, NULL, NULL },
 139         { "idassert-passwd", "cred", 2, 2, 0,
 140                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 141                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 142                         "NAME 'olcDbIDAssertPasswd' "
 143                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 144                         "OBSOLETE "
 145                         "SYNTAX OMsDirectoryString "
 146                         "SINGLE-VALUE )",
 147                 NULL, NULL },
 148         /* deprecated, will be removed; partially aliases "idassert-passwd" */
 149         { "proxyauthzpw", "cred", 2, 2, 0,
 150                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 151                 ldap_back_cf_gen, NULL, NULL, NULL },
 152         { "idassert-bind", "args", 2, 0, 0,
 153                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 154                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 155                         "NAME 'olcDbIDAssertBind' "
 156                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 157                         "SYNTAX OMsDirectoryString "
 158                         "SINGLE-VALUE )",
 159                 NULL, NULL },
 160         { "idassert-method", "args", 2, 0, 0,
 161                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 162                 ldap_back_cf_gen, NULL, NULL, NULL },
 163         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 164                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 165                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 166                         "NAME 'olcDbIDAssertMode' "
 167                         "DESC 'Remote Identity Assertion mode' "
 168                         "OBSOLETE "
 169                         "SYNTAX OMsDirectoryString "
 170                         "SINGLE-VALUE)",
 171                 NULL, NULL },
 172         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 173                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 174                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 175                         "NAME 'olcDbIDAssertAuthzFrom' "
 176                         "DESC 'Remote Identity Assertion authz rules' "
 177                         "SYNTAX OMsDirectoryString "
 178                         "X-ORDERED 'VALUES' )",
 179                 NULL, NULL },
 180         { "rebind-as-user", "NO|yes", 1, 2, 0,
 181                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
 182                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 183                         "NAME 'olcDbRebindAsUser' "
 184                         "DESC 'Rebind as user' "
 185                         "SYNTAX OMsBoolean "
 186                         "SINGLE-VALUE )",
 187                 NULL, NULL },
 188         { "chase-referrals", "YES|no", 2, 2, 0,
 189                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
 190                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 191                         "NAME 'olcDbChaseReferrals' "
 192                         "DESC 'Chase referrals' "
 193                         "SYNTAX OMsBoolean "
 194                         "SINGLE-VALUE )",
 195                 NULL, NULL },
 196         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 197                 ARG_MAGIC|LDAP_BACK_CFG_T_F,
 198                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 199                         "NAME 'olcDbTFSupport' "
 200                         "DESC 'Absolute filters support' "
 201                         "SYNTAX OMsDirectoryString "
 202                         "SINGLE-VALUE )",
 203                 NULL, NULL },
 204         { "proxy-whoami", "NO|yes", 1, 2, 0,
 205                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
 206                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 207                         "NAME 'olcDbProxyWhoAmI' "
 208                         "DESC 'Proxy whoAmI exop' "
 209                         "SYNTAX OMsBoolean "
 210                         "SINGLE-VALUE )",
 211                 NULL, NULL },
 212         { "timeout", "timeout(list)", 2, 0, 0,
 213                 ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
 214                 ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
 215                         "NAME 'olcDbTimeout' "
 216                         "DESC 'Per-operation timeouts' "
 217                         "SYNTAX OMsDirectoryString "
 218                         "SINGLE-VALUE )",
 219                 NULL, NULL },
 220         { "idle-timeout", "timeout", 2, 0, 0,
 221                 ARG_MAGIC|LDAP_BACK_CFG_IDLE_TIMEOUT,
 222                 ldap_back_cf_gen, "( OLcfgDbAt:3.15 "
 223                         "NAME 'olcDbIdleTimeout' "
 224                         "DESC 'connection idle timeout' "
 225                         "SYNTAX OMsDirectoryString "
 226                         "SINGLE-VALUE )",
 227                 NULL, NULL },
 228         { "conn-ttl", "ttl", 2, 0, 0,
 229                 ARG_MAGIC|LDAP_BACK_CFG_CONN_TTL,
 230                 ldap_back_cf_gen, "( OLcfgDbAt:3.16 "
 231                         "NAME 'olcDbConnTtl' "
 232                         "DESC 'connection ttl' "
 233                         "SYNTAX OMsDirectoryString "
 234                         "SINGLE-VALUE )",
 235                 NULL, NULL },
 236         { "network-timeout", "timeout", 2, 0, 0,
 237                 ARG_MAGIC|LDAP_BACK_CFG_NETWORK_TIMEOUT,
 238                 ldap_back_cf_gen, "( OLcfgDbAt:3.17 "
 239                         "NAME 'olcDbNetworkTimeout' "
 240                         "DESC 'connection network timeout' "
 241                         "SYNTAX OMsDirectoryString "
 242                         "SINGLE-VALUE )",
 243                 NULL, NULL },
 244         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 245                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 246                 ldap_back_cf_gen, NULL, NULL, NULL },
 247         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 248                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 249                 ldap_back_cf_gen, NULL, NULL, NULL },
 250         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 251                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 252                 ldap_back_cf_gen, NULL, NULL, NULL },
 253         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 254                 NULL, NULL, NULL, NULL }
 255 };
 256
 257 static ConfigOCs ldapocs[] = {
 258         { "( OLcfgDbOc:3.1 "
 259                 "NAME 'olcLDAPConfig' "
 260                 "DESC 'LDAP backend configuration' "
 261                 "SUP olcDatabaseConfig "
 262                 "MUST olcDbURI "
 263                 "MAY ( olcDbStartTLS "
 264                         "$ olcDbACLAuthcDn "
 265                         "$ olcDbACLPasswd "
 266                         "$ olcDbACLBind "
 267                         "$ olcDbIDAssertAuthcDn "
 268                         "$ olcDbIDAssertPasswd "
 269                         "$ olcDbIDAssertBind "
 270                         "$ olcDbIDAssertMode "
 271                         "$ olcDbIDAssertAuthzFrom "
 272                         "$ olcDbRebindAsUser "
 273                         "$ olcDbChaseReferrals "
 274                         "$ olcDbTFSupport "
 275                         "$ olcDbProxyWhoAmI "
 276                         "$ olcDbTimeout "
 277                         "$ olcDbIdleTimeout "
 278                 ") )",
 279                         Cft_Database, ldapcfg},
 280         { NULL, 0, NULL }
 281 };
 282
 283 static slap_verbmasks idassert_mode[] = {
 284         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 285         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 286         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 287         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 288         { BER_BVNULL,                   0 }
 289 };
 290
 291 static slap_verbmasks tls_mode[] = {
 292         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 293         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 294         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 295         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 296         { BER_BVC( "none" ),            LDAP_BACK_F_NONE },
 297         { BER_BVNULL,                   0 }
 298 };
 299
 300 static slap_verbmasks t_f_mode[] = {
 301         { BER_BVC( "yes" ),             LDAP_BACK_F_SUPPORT_T_F },
 302         { BER_BVC( "discover" ),        LDAP_BACK_F_SUPPORT_T_F_DISCOVER },
 303         { BER_BVC( "no" ),              LDAP_BACK_F_NONE },
 304         { BER_BVNULL,                   0 }
 305 };
 306
 307 static slap_cf_aux_table timeout_table[] = {
 308         { BER_BVC("add="), 0 * sizeof( time_t ), 'u', 0, NULL },
 309         { BER_BVC("delete="), 1 * sizeof( time_t ), 'u', 0, NULL },
 310         { BER_BVC("modify="), 2 * sizeof( time_t ), 'u', 0, NULL },
 311         { BER_BVC("modrdn="), 3 * sizeof( time_t ), 'u', 0, NULL },
 312         { BER_BVNULL, 0, 0, 0, NULL }
 313 };
 314
 315 static int
 316 ldap_back_cf_gen( ConfigArgs *c )
 317 {
 318         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 319         int             rc;
 320         int             i;
 321
 322         if ( c->op == SLAP_CONFIG_EMIT ) {
 323                 struct berval   bv = BER_BVNULL;
 324                 rc = 0;
 325
 326                 if ( li == NULL ) {
 327                         return 1;
 328                 }
 329
 330                 switch( c->type ) {
 331                 case LDAP_BACK_CFG_URI:
 332                         if ( li->li_uri != NULL ) {
 333                                 struct berval   bv;
 334
 335                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 336                                 value_add_one( &c->rvalue_vals, &bv );
 337
 338                         } else {
 339                                 rc = 1;
 340                         }
 341                         break;
 342
 343                 case LDAP_BACK_CFG_TLS:
 344                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 345                         assert( !BER_BVISNULL( &bv ) );
 346                         value_add_one( &c->rvalue_vals, &bv );
 347                         break;
 348
 349                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 350                 case LDAP_BACK_CFG_ACL_PASSWD:
 351                 case LDAP_BACK_CFG_ACL_METHOD:
 352                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 353                         rc = 1;
 354                         break;
 355
 356                 case LDAP_BACK_CFG_ACL_BIND: {
 357                         int     i;
 358
 359                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 360                                 return 1;
 361                         }
 362
 363                         bindconf_unparse( &li->li_acl, &bv );
 364
 365                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 366                                 /* count spaces */ ;
 367
 368                         if ( i ) {
 369                                 bv.bv_len -= i;
 370                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 371                                         bv.bv_len + 1 );
 372                         }
 373
 374                         ber_bvarray_add( &c->rvalue_vals, &bv );
 375                         break;
 376                 }
 377
 378                 case LDAP_BACK_CFG_IDASSERT_MODE:
 379                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 380                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 381                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 382                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 383                         rc = 1;
 384                         break;
 385
 386                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 387                         int             i;
 388
 389                         if ( li->li_idassert_authz == NULL ) {
 390                                 rc = 1;
 391                                 break;
 392                         }
 393
 394                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 395                         {
 396                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 397                         }
 398                         break;
 399                 }
 400
 401                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 402                         int             i;
 403                         struct berval   bc = BER_BVNULL;
 404                         char            *ptr;
 405
 406                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 407                                 return 1;
 408                         }
 409
 410                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 411                                 ber_len_t       len;
 412
 413                                 switch ( li->li_idassert_mode ) {
 414                                 case LDAP_BACK_IDASSERT_OTHERID:
 415                                 case LDAP_BACK_IDASSERT_OTHERDN:
 416                                         break;
 417
 418                                 default: {
 419                                         struct berval   mode = BER_BVNULL;
 420
 421                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 422                                         if ( BER_BVISNULL( &mode ) ) {
 423                                                 /* there's something wrong... */
 424                                                 assert( 0 );
 425                                                 rc = 1;
 426
 427                                         } else {
 428                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 429                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 430
 431                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 432                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 433                                         }
 434                                         break;
 435                                 }
 436                                 }
 437
 438                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 439                                         len = bv.bv_len + STRLENOF( "authz=native" );
 440
 441                                         if ( !BER_BVISEMPTY( &bv ) ) {
 442                                                 len += STRLENOF( " " );
 443                                         }
 444
 445                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 446
 447                                         ptr = &bv.bv_val[ bv.bv_len ];
 448
 449                                         if ( !BER_BVISEMPTY( &bv ) ) {
 450                                                 ptr = lutil_strcopy( ptr, " " );
 451                                         }
 452
 453                                         (void)lutil_strcopy( ptr, "authz=native" );
 454                                 }
 455
 456                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override" );
 457                                 /* flags */
 458                                 if ( !BER_BVISEMPTY( &bv ) ) {
 459                                         len += STRLENOF( " " );
 460                                 }
 461
 462                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 463
 464                                 ptr = &bv.bv_val[ bv.bv_len ];
 465
 466                                 if ( !BER_BVISEMPTY( &bv ) ) {
 467                                         ptr = lutil_strcopy( ptr, " " );
 468                                 }
 469
 470                                 ptr = lutil_strcopy( ptr, "flags=" );
 471
 472                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 473                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 474                                 } else {
 475                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 476                                 }
 477
 478                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 479                                         ptr = lutil_strcopy( ptr, ",override" );
 480                                 }
 481
 482                                 bv.bv_len = ( ptr - bv.bv_val );
 483                                 /* end-of-flags */
 484                         }
 485
 486                         bindconf_unparse( &li->li_idassert, &bc );
 487
 488                         if ( !BER_BVISNULL( &bv ) ) {
 489                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 490
 491                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 492
 493                                 assert( bc.bv_val[ 0 ] == ' ' );
 494
 495                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 496                                 free( bc.bv_val );
 497                                 bv.bv_len = ptr - bv.bv_val;
 498
 499                         } else {
 500                                 for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
 501                                         /* count spaces */ ;
 502
 503                                 if ( i ) {
 504                                         bc.bv_len -= i;
 505                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 506                                 }
 507
 508                                 bv = bc;
 509                         }
 510
 511                         ber_bvarray_add( &c->rvalue_vals, &bv );
 512
 513                         break;
 514                 }
 515
 516                 case LDAP_BACK_CFG_REBIND:
 517                         c->value_int = LDAP_BACK_SAVECRED( li );
 518                         break;
 519
 520                 case LDAP_BACK_CFG_CHASE:
 521                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 522                         break;
 523
 524                 case LDAP_BACK_CFG_T_F:
 525                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_SUPPORT_T_F_MASK), &bv );
 526                         if ( BER_BVISNULL( &bv ) ) {
 527                                 /* there's something wrong... */
 528                                 assert( 0 );
 529                                 rc = 1;
 530
 531                         } else {
 532                                 value_add_one( &c->rvalue_vals, &bv );
 533                         }
 534                         break;
 535
 536                 case LDAP_BACK_CFG_WHOAMI:
 537                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 538                         break;
 539
 540                 case LDAP_BACK_CFG_TIMEOUT:
 541                         BER_BVZERO( &bv );
 542
 543                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 544                                 if ( li->li_timeout[ i ] != 0 ) {
 545                                         break;
 546                                 }
 547                         }
 548
 549                         if ( i == LDAP_BACK_OP_LAST ) {
 550                                 return 1;
 551                         }
 552
 553                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 554
 555                         if ( BER_BVISNULL( &bv ) ) {
 556                                 return 1;
 557                         }
 558
 559                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 560                                 /* count spaces */ ;
 561
 562                         if ( i ) {
 563                                 bv.bv_len -= i;
 564                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 565                                         bv.bv_len + 1 );
 566                         }
 567
 568                         ber_bvarray_add( &c->rvalue_vals, &bv );
 569                         break;
 570
 571                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 572                         char    buf[ SLAP_TEXT_BUFLEN ];
 573
 574                         if ( li->li_idle_timeout == 0 ) {
 575                                 return 1;
 576                         }
 577
 578                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 579                         ber_str2bv( buf, 0, 0, &bv );
 580                         value_add_one( &c->rvalue_vals, &bv );
 581                         } break;
 582
 583                 case LDAP_BACK_CFG_CONN_TTL: {
 584                         char    buf[ SLAP_TEXT_BUFLEN ];
 585
 586                         if ( li->li_conn_ttl == 0 ) {
 587                                 return 1;
 588                         }
 589
 590                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 591                         ber_str2bv( buf, 0, 0, &bv );
 592                         value_add_one( &c->rvalue_vals, &bv );
 593                         } break;
 594
 595                 case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
 596                         char    buf[ SLAP_TEXT_BUFLEN ];
 597
 598                         if ( li->li_network_timeout == 0 ) {
 599                                 return 1;
 600                         }
 601
 602                         snprintf( buf, sizeof( buf ), "%ld",
 603                                 (long)li->li_network_timeout );
 604                         ber_str2bv( buf, 0, 0, &bv );
 605                         value_add_one( &c->rvalue_vals, &bv );
 606                         } break;
 607
 608                 default:
 609                         /* FIXME: we need to handle all... */
 610                         assert( 0 );
 611                         break;
 612                 }
 613                 return rc;
 614
 615         } else if ( c->op == LDAP_MOD_DELETE ) {
 616                 rc = 0;
 617                 switch( c->type ) {
 618                 case LDAP_BACK_CFG_URI:
 619                         if ( li->li_uri != NULL ) {
 620                                 ch_free( li->li_uri );
 621                                 li->li_uri = NULL;
 622
 623                                 assert( li->li_bvuri != NULL );
 624                                 ber_bvarray_free( li->li_bvuri );
 625                                 li->li_bvuri = NULL;
 626                         }
 627
 628                         /* better cleanup the cached connections... */
 629                         /* NOTE: don't worry about locking: if we got here,
 630                          * other threads are suspended. */
 631                         if ( li->li_conninfo.lai_tree != NULL ) {
 632                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 633                                 li->li_conninfo.lai_tree = NULL;
 634                         }
 635
 636                         break;
 637
 638                 case LDAP_BACK_CFG_TLS:
 639                         rc = 1;
 640                         break;
 641
 642                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 643                 case LDAP_BACK_CFG_ACL_PASSWD:
 644                 case LDAP_BACK_CFG_ACL_METHOD:
 645                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 646                         rc = 1;
 647                         break;
 648
 649                 case LDAP_BACK_CFG_ACL_BIND:
 650                         bindconf_free( &li->li_acl );
 651                         break;
 652
 653                 case LDAP_BACK_CFG_IDASSERT_MODE:
 654                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 655                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 656                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 657                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 658                         rc = 1;
 659                         break;
 660
 661                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 662                         if ( li->li_idassert_authz != NULL ) {
 663                                 ber_bvarray_free( li->li_idassert_authz );
 664                                 li->li_idassert_authz = NULL;
 665                         }
 666                         break;
 667
 668                 case LDAP_BACK_CFG_IDASSERT_BIND:
 669                         bindconf_free( &li->li_idassert );
 670                         break;
 671
 672                 case LDAP_BACK_CFG_REBIND:
 673                 case LDAP_BACK_CFG_CHASE:
 674                 case LDAP_BACK_CFG_T_F:
 675                 case LDAP_BACK_CFG_WHOAMI:
 676                         rc = 1;
 677                         break;
 678
 679                 case LDAP_BACK_CFG_TIMEOUT:
 680                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 681                                 li->li_timeout[ i ] = 0;
 682                         }
 683                         break;
 684
 685                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
 686                         li->li_idle_timeout = 0;
 687                         break;
 688
 689                 case LDAP_BACK_CFG_CONN_TTL:
 690                         li->li_conn_ttl = 0;
 691                         break;
 692
 693                 case LDAP_BACK_CFG_NETWORK_TIMEOUT:
 694                         li->li_network_timeout;
 695                         break;
 696
 697                 default:
 698                         /* FIXME: we need to handle all... */
 699                         assert( 0 );
 700                         break;
 701                 }
 702                 return rc;
 703
 704         }
 705
 706         switch( c->type ) {
 707         case LDAP_BACK_CFG_URI: {
 708                 LDAPURLDesc     *tmpludp, *lud;
 709                 char            **urllist = NULL;
 710                 int             urlrc = LDAP_URL_SUCCESS, i;
 711
 712                 if ( li->li_uri != NULL ) {
 713                         ch_free( li->li_uri );
 714                         li->li_uri = NULL;
 715
 716                         assert( li->li_bvuri != NULL );
 717                         ber_bvarray_free( li->li_bvuri );
 718                         li->li_bvuri = NULL;
 719                 }
 720
 721                 /* PARANOID: DN and more are not required nor allowed */
 722                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t" );
 723                 if ( urlrc != LDAP_URL_SUCCESS ) {
 724                         char    *why;
 725
 726                         switch ( urlrc ) {
 727                         case LDAP_URL_ERR_MEM:
 728                                 why = "no memory";
 729                                 break;
 730                         case LDAP_URL_ERR_PARAM:
 731                                 why = "parameter is bad";
 732                                 break;
 733                         case LDAP_URL_ERR_BADSCHEME:
 734                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 735                                 break;
 736                         case LDAP_URL_ERR_BADENCLOSURE:
 737                                 why = "URL is missing trailing \">\"";
 738                                 break;
 739                         case LDAP_URL_ERR_BADURL:
 740                                 why = "URL is bad";
 741                                 break;
 742                         case LDAP_URL_ERR_BADHOST:
 743                                 why = "host/port is bad";
 744                                 break;
 745                         case LDAP_URL_ERR_BADATTRS:
 746                                 why = "bad (or missing) attributes";
 747                                 break;
 748                         case LDAP_URL_ERR_BADSCOPE:
 749                                 why = "scope string is invalid (or missing)";
 750                                 break;
 751                         case LDAP_URL_ERR_BADFILTER:
 752                                 why = "bad or missing filter";
 753                                 break;
 754                         case LDAP_URL_ERR_BADEXTS:
 755                                 why = "bad or missing extensions";
 756                                 break;
 757                         default:
 758                                 why = "unknown reason";
 759                                 break;
 760                         }
 761                         snprintf( c->msg, sizeof( c->msg),
 762                                         "unable to parse uri \"%s\" "
 763                                         "in \"uri <uri>\" line: %s",
 764                                         c->value_string, why );
 765                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 766                         urlrc = 1;
 767                         goto done_url;
 768                 }
 769
 770                 for ( i = 0, tmpludp = lud;
 771                                 tmpludp;
 772                                 i++, tmpludp = tmpludp->lud_next )
 773                 {
 774                         if ( ( tmpludp->lud_dn != NULL
 775                                                 && tmpludp->lud_dn[0] != '\0' )
 776                                         || tmpludp->lud_attrs != NULL
 777                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 778                                         || tmpludp->lud_filter != NULL
 779                                         || tmpludp->lud_exts != NULL )
 780                         {
 781                                 snprintf( c->msg, sizeof( c->msg ),
 782                                                 "warning, only protocol, "
 783                                                 "host and port allowed "
 784                                                 "in \"uri <uri>\" statement "
 785                                                 "for uri #%d of \"%s\"",
 786                                                 i, c->value_string );
 787                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 788                         }
 789                 }
 790
 791                 for ( i = 0, tmpludp = lud;
 792                                 tmpludp;
 793                                 i++, tmpludp = tmpludp->lud_next )
 794                         /* just count */
 795                         ;
 796                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 797
 798                 for ( i = 0, tmpludp = lud;
 799                                 tmpludp;
 800                                 i++, tmpludp = tmpludp->lud_next )
 801                 {
 802                         LDAPURLDesc     tmplud;
 803
 804                         tmplud = *tmpludp;
 805                         tmplud.lud_dn = "";
 806                         tmplud.lud_attrs = NULL;
 807                         tmplud.lud_filter = NULL;
 808                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 809                                 tmplud.lud_exts = NULL;
 810                                 tmplud.lud_crit_exts = 0;
 811                         }
 812
 813                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 814
 815                         if ( urllist[ i ] == NULL ) {
 816                                 snprintf( c->msg, sizeof( c->msg),
 817                                         "unable to rebuild uri "
 818                                         "in \"uri <uri>\" statement "
 819                                         "for \"%s\"",
 820                                         c->argv[ 1 ] );
 821                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 822                                 urlrc = 1;
 823                                 goto done_url;
 824                         }
 825                 }
 826
 827                 li->li_uri = ldap_charray2str( urllist, " " );
 828                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 829                         struct berval   bv;
 830
 831                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 832                         ber_bvarray_add( &li->li_bvuri, &bv );
 833                         urllist[ i ] = NULL;
 834                 }
 835                 ldap_memfree( urllist );
 836                 urllist = NULL;
 837
 838 done_url:;
 839                 if ( urllist ) {
 840                         ldap_charray_free( urllist );
 841                 }
 842                 if ( lud ) {
 843                         ldap_free_urllist( lud );
 844                 }
 845                 if ( urlrc != LDAP_URL_SUCCESS ) {
 846                         return 1;
 847                 }
 848                 break;
 849         }
 850
 851         case LDAP_BACK_CFG_TLS:
 852                 i = verb_to_mask( c->argv[1], tls_mode );
 853                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 854                         return 1;
 855                 }
 856                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 857                 li->li_flags |= tls_mode[i].mask;
 858                 break;
 859
 860         case LDAP_BACK_CFG_ACL_AUTHCDN:
 861                 switch ( li->li_acl_authmethod ) {
 862                 case LDAP_AUTH_NONE:
 863                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 864                         break;
 865
 866                 case LDAP_AUTH_SIMPLE:
 867                         break;
 868
 869                 default:
 870                         snprintf( c->msg, sizeof( c->msg),
 871                                 "\"acl-authcDN <DN>\" incompatible "
 872                                 "with auth method %d",
 873                                 li->li_acl_authmethod );
 874                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 875                         return 1;
 876                 }
 877                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 878                         free( li->li_acl_authcDN.bv_val );
 879                 }
 880                 ber_memfree_x( c->value_dn.bv_val, NULL );
 881                 li->li_acl_authcDN = c->value_ndn;
 882                 BER_BVZERO( &c->value_dn );
 883                 BER_BVZERO( &c->value_ndn );
 884                 break;
 885
 886         case LDAP_BACK_CFG_ACL_PASSWD:
 887                 switch ( li->li_acl_authmethod ) {
 888                 case LDAP_AUTH_NONE:
 889                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 890                         break;
 891
 892                 case LDAP_AUTH_SIMPLE:
 893                         break;
 894
 895                 default:
 896                         snprintf( c->msg, sizeof( c->msg ),
 897                                 "\"acl-passwd <cred>\" incompatible "
 898                                 "with auth method %d",
 899                                 li->li_acl_authmethod );
 900                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 901                         return 1;
 902                 }
 903                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
 904                         free( li->li_acl_passwd.bv_val );
 905                 }
 906                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 907                 break;
 908
 909         case LDAP_BACK_CFG_ACL_METHOD:
 910         case LDAP_BACK_CFG_ACL_BIND:
 911                 for ( i = 1; i < c->argc; i++ ) {
 912                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 913                                 return 1;
 914                         }
 915                 }
 916                 break;
 917
 918         case LDAP_BACK_CFG_IDASSERT_MODE:
 919                 i = verb_to_mask( c->argv[1], idassert_mode );
 920                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 921                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 922                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 923                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
 924                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
 925
 926                         } else {
 927                                 struct berval   id, ndn;
 928
 929                                 ber_str2bv( c->argv[1], 0, 0, &id );
 930
 931                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 932                                         id.bv_val += STRLENOF( "dn:" );
 933                                         id.bv_len -= STRLENOF( "dn:" );
 934                                 }
 935
 936                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 937                                 if ( rc != LDAP_SUCCESS ) {
 938                                         Debug( LDAP_DEBUG_ANY,
 939                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 940                                                 c->fname, c->lineno, c->argv[1] );
 941                                         return 1;
 942                                 }
 943
 944                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 945                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
 946                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 947                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 948                                 ch_free( ndn.bv_val );
 949
 950                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 951                         }
 952
 953                 } else {
 954                         li->li_idassert_mode = idassert_mode[i].mask;
 955                 }
 956
 957                 if ( c->argc > 2 ) {
 958                         int     i;
 959
 960                         for ( i = 2; i < c->argc; i++ ) {
 961                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 962                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 963
 964                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 965                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 966
 967                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 968                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 969
 970                                 } else {
 971                                         Debug( LDAP_DEBUG_ANY,
 972                                                 "%s: line %d: unknown flag #%d "
 973                                                 "in \"idassert-mode <args> "
 974                                                 "[<flags>]\" line.\n",
 975                                                 c->fname, c->lineno, i - 2 );
 976                                         return 1;
 977                                 }
 978                         }
 979                 }
 980                 break;
 981
 982         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 983                 switch ( li->li_idassert_authmethod ) {
 984                 case LDAP_AUTH_NONE:
 985                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 986                         break;
 987
 988                 case LDAP_AUTH_SIMPLE:
 989                         break;
 990
 991                 default:
 992                         snprintf( c->msg, sizeof( c->msg ),
 993                                 "\"idassert-authcDN <DN>\" incompatible "
 994                                 "with auth method %d",
 995                                 li->li_idassert_authmethod );
 996                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 997                         return 1;
 998                 }
 999                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
1000                         free( li->li_idassert_authcDN.bv_val );
1001                 }
1002                 ber_memfree_x( c->value_dn.bv_val, NULL );
1003                 li->li_idassert_authcDN = c->value_ndn;
1004                 BER_BVZERO( &c->value_dn );
1005                 BER_BVZERO( &c->value_ndn );
1006                 break;
1007
1008         case LDAP_BACK_CFG_IDASSERT_PASSWD:
1009                 switch ( li->li_idassert_authmethod ) {
1010                 case LDAP_AUTH_NONE:
1011                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1012                         break;
1013
1014                 case LDAP_AUTH_SIMPLE:
1015                         break;
1016
1017                 default:
1018                         snprintf( c->msg, sizeof( c->msg ),
1019                                 "\"idassert-passwd <cred>\" incompatible "
1020                                 "with auth method %d",
1021                                 li->li_idassert_authmethod );
1022                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1023                         return 1;
1024                 }
1025                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
1026                         free( li->li_idassert_passwd.bv_val );
1027                 }
1028                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1029                 break;
1030
1031         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
1032                 struct berval   bv;
1033 #ifdef SLAP_AUTHZ_SYNTAX
1034                 struct berval   in;
1035                 int             rc;
1036
1037                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
1038                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
1039                 if ( rc != LDAP_SUCCESS ) {
1040                         snprintf( c->msg, sizeof( c->msg ),
1041                                 "\"idassert-authzFrom <authz>\": "
1042                                 "invalid syntax" );
1043                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1044                         return 1;
1045                 }
1046 #else /* !SLAP_AUTHZ_SYNTAX */
1047                 ber_str2bv( c->argv[ 1 ], 0, 1, &bv );
1048 #endif /* !SLAP_AUTHZ_SYNTAX */
1049                 ber_bvarray_add( &li->li_idassert_authz, &bv );
1050                 } break;
1051
1052         case LDAP_BACK_CFG_IDASSERT_METHOD:
1053                 /* no longer supported */
1054                 snprintf( c->msg, sizeof( c->msg ),
1055                         "\"idassert-method <args>\": "
1056                         "no longer supported; use \"idassert-bind\"" );
1057                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1058                 return 1;
1059
1060         case LDAP_BACK_CFG_IDASSERT_BIND:
1061                 for ( i = 1; i < c->argc; i++ ) {
1062                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
1063                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
1064                                 int     j;
1065
1066                                 j = verb_to_mask( argvi, idassert_mode );
1067                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
1068                                         snprintf( c->msg, sizeof( c->msg ),
1069                                                 "\"idassert-bind <args>\": "
1070                                                 "unknown mode \"%s\"",
1071                                                 argvi );
1072                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1073                                         return 1;
1074                                 }
1075
1076                                 li->li_idassert_mode = idassert_mode[ j ].mask;
1077
1078                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1079                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
1080
1081                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
1082                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
1083                                                 snprintf( c->msg, sizeof( c->msg ),
1084                                                         "\"idassert-bind <args>\": "
1085                                                         "authz=\"native\" incompatible "
1086                                                         "with auth method" );
1087                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1088                                                 return 1;
1089                                         }
1090                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1091
1092                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
1093                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1094
1095                                 } else {
1096                                         snprintf( c->msg, sizeof( c->msg ),
1097                                                 "\"idassert-bind <args>\": "
1098                                                 "unknown authz \"%s\"",
1099                                                 argvi );
1100                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1101                                         return 1;
1102                                 }
1103
1104                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1105                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1106                                 char    **flags = ldap_str2charray( argvi, "," );
1107                                 int     j;
1108
1109                                 if ( flags == NULL ) {
1110                                         snprintf( c->msg, sizeof( c->msg ),
1111                                                 "\"idassert-bind <args>\": "
1112                                                 "unable to parse flags \"%s\"",
1113                                                 argvi );
1114                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1115                                         return 1;
1116                                 }
1117
1118                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1119                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1120                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1121
1122                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1123                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1124
1125                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1126                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1127
1128                                         } else {
1129                                                 snprintf( c->msg, sizeof( c->msg ),
1130                                                         "\"idassert-bind <args>\": "
1131                                                         "unknown flag \"%s\"",
1132                                                         flags[ j ] );
1133                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1134                                                 ldap_charray_free( flags );
1135                                                 return 1;
1136                                         }
1137                                 }
1138
1139                                 ldap_charray_free( flags );
1140
1141                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1142                                 return 1;
1143                         }
1144                 }
1145                 break;
1146
1147         case LDAP_BACK_CFG_REBIND:
1148                 if ( c->argc == 1 || c->value_int ) {
1149                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1150
1151                 } else {
1152                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1153                 }
1154                 break;
1155
1156         case LDAP_BACK_CFG_CHASE:
1157                 if ( c->argc == 1 || c->value_int ) {
1158                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1159
1160                 } else {
1161                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1162                 }
1163                 break;
1164
1165         case LDAP_BACK_CFG_T_F:
1166                 i = verb_to_mask( c->argv[1], t_f_mode );
1167                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1168                         return 1;
1169                 }
1170                 li->li_flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1171                 li->li_flags |= t_f_mode[i].mask;
1172                 break;
1173
1174         case LDAP_BACK_CFG_WHOAMI:
1175                 if ( c->argc == 1 || c->value_int ) {
1176                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1177                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1178                                         0, ldap_back_exop_whoami );
1179
1180                 } else {
1181                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1182                 }
1183                 break;
1184
1185         case LDAP_BACK_CFG_TIMEOUT:
1186                 for ( i = 1; i < c->argc; i++ ) {
1187                         if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1188                                 int             j;
1189                                 unsigned        u;
1190
1191                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1192                                         return 1;
1193                                 }
1194
1195                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1196                                         li->li_timeout[ j ] = u;
1197                                 }
1198
1199                                 continue;
1200                         }
1201
1202                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1203                                 return 1;
1204                         }
1205                 }
1206                 break;
1207
1208         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1209                 unsigned long   t;
1210
1211                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1212                         snprintf( c->msg, sizeof( c->msg),
1213                                 "unable to parse idle timeout \"%s\"",
1214                                 c->argv[ 1 ] );
1215                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1216                         return 1;
1217                 }
1218                 li->li_idle_timeout = (time_t)t;
1219                 } break;
1220
1221         case LDAP_BACK_CFG_CONN_TTL: {
1222                 unsigned long   t;
1223
1224                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1225                         snprintf( c->msg, sizeof( c->msg),
1226                                 "unable to parse conn ttl\"%s\"",
1227                                 c->argv[ 1 ] );
1228                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1229                         return 1;
1230                 }
1231                 li->li_conn_ttl = (time_t)t;
1232                 } break;
1233
1234         case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1235                 unsigned long   t;
1236
1237                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1238                         snprintf( c->msg, sizeof( c->msg),
1239                                 "unable to parse network timeout \"%s\"",
1240                                 c->argv[ 1 ] );
1241                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1242                         return 1;
1243                 }
1244                 li->li_network_timeout = (time_t)t;
1245                 } break;
1246
1247         case LDAP_BACK_CFG_REWRITE:
1248                 snprintf( c->msg, sizeof( c->msg ),
1249                         "rewrite/remap capabilities have been moved "
1250                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1251                         "for details (hint: add \"overlay rwm\" "
1252                         "and prefix all directives with \"rwm-\")" );
1253                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1254                 return 1;
1255
1256         default:
1257                 /* FIXME: try to catch inconsistencies */
1258                 assert( 0 );
1259                 break;
1260         }
1261
1262         return 0;
1263 }
1264
1265 int
1266 ldap_back_init_cf( BackendInfo *bi )
1267 {
1268         int                     rc;
1269         AttributeDescription    *ad = NULL;
1270         const char              *text;
1271
1272         /* Make sure we don't exceed the bits reserved for userland */
1273         config_check_userland( LDAP_BACK_CFG_LAST );
1274
1275         bi->bi_cf_ocs = ldapocs;
1276
1277         rc = config_register_schema( ldapcfg, ldapocs );
1278         if ( rc ) {
1279                 return rc;
1280         }
1281
1282         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1283          * to be base64-encoded when written in LDIF form;
1284          * basically, we don't care if it fails */
1285         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1286         if ( rc ) {
1287                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1288                         "warning, unable to get \"olcDbACLPasswd\" "
1289                         "attribute description: %d: %s\n",
1290                         rc, text, 0 );
1291         } else {
1292                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1293                         ad->ad_type->sat_oid );
1294         }
1295
1296         ad = NULL;
1297         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1298         if ( rc ) {
1299                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1300                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1301                         "attribute description: %d: %s\n",
1302                         rc, text, 0 );
1303         } else {
1304                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1305                         ad->ad_type->sat_oid );
1306         }
1307
1308         return 0;
1309 }
1310
1311
1312 static int
1313 ldap_back_exop_whoami(
1314                 Operation       *op,
1315                 SlapReply       *rs )
1316 {
1317         struct berval *bv = NULL;
1318
1319         if ( op->oq_extended.rs_reqdata != NULL ) {
1320                 /* no request data should be provided */
1321                 rs->sr_text = "no request data expected";
1322                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1323         }
1324
1325         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1326             op->o_log_prefix, 0, 0, 0, 0 );
1327
1328         rs->sr_err = backend_check_restrictions( op, rs,
1329                         (struct berval *)&slap_EXOP_WHOAMI );
1330         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1331
1332         /* if auth'd by back-ldap and request is proxied, forward it */
1333         if ( op->o_conn->c_authz_backend
1334                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1335                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1336         {
1337                 ldapconn_t      *lc;
1338                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1339                 LDAPMessage *res;
1340                 Operation op2 = *op;
1341                 ber_int_t msgid;
1342                 int doretry = 1;
1343                 char *ptr;
1344
1345                 ctrls[0] = &c;
1346                 op2.o_ndn = op->o_conn->c_ndn;
1347                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1348                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1349                         return -1;
1350                 }
1351                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1352                 c.ldctl_iscritical = 1;
1353                 c.ldctl_value.bv_val = op->o_tmpalloc(
1354                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1355                         op->o_tmpmemctx );
1356                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1357                 ptr = c.ldctl_value.bv_val;
1358                 ptr = lutil_strcopy( ptr, "dn:" );
1359                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1360                 ptr[ 0 ] = '\0';
1361
1362 retry:
1363                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1364                 if ( rs->sr_err == LDAP_SUCCESS ) {
1365                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1366                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1367                                         &rs->sr_err );
1368                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1369                                         doretry = 0;
1370                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1371                                                 goto retry;
1372                                         }
1373                                 }
1374
1375                         } else {
1376                                 /* NOTE: are we sure "bv" will be malloc'ed
1377                                  * with the appropriate memory? */
1378                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1379                                 ldap_msgfree(res);
1380                         }
1381                 }
1382                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1383                 if ( rs->sr_err != LDAP_SUCCESS ) {
1384                         rs->sr_err = slap_map_api2result( rs );
1385                 }
1386
1387                 if ( lc != NULL ) {
1388                         ldap_back_release_conn( &op2, rs, lc );
1389                 }
1390
1391         } else {
1392                 /* else just do the same as before */
1393                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1394                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1395                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1396                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1397                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1398                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1399                                 op->o_dn.bv_len );
1400                         bv->bv_val[ bv->bv_len ] = '\0';
1401
1402                 } else {
1403                         bv->bv_len = 0;
1404                         bv->bv_val = NULL;
1405                 }
1406         }
1407
1408         rs->sr_rspdata = bv;
1409         return rs->sr_err;
1410 }
1411
1412