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                 if ( li == NULL ) {
 318                         return 1;
 319                 }
 320
 321                 switch( c->type ) {
 322                 case LDAP_BACK_CFG_URI:
 323                         if ( li->li_uri != NULL ) {
 324                                 struct berval   bv;
 325
 326                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 327                                 value_add_one( &c->rvalue_vals, &bv );
 328
 329                         } else {
 330                                 rc = 1;
 331                         }
 332                         break;
 333
 334                 case LDAP_BACK_CFG_TLS:
 335                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 336                         assert( !BER_BVISNULL( &bv ) );
 337                         value_add_one( &c->rvalue_vals, &bv );
 338                         break;
 339
 340                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 341                 case LDAP_BACK_CFG_ACL_PASSWD:
 342                 case LDAP_BACK_CFG_ACL_METHOD:
 343                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 344                         rc = 1;
 345                         break;
 346
 347                 case LDAP_BACK_CFG_ACL_BIND: {
 348                         int     i;
 349
 350                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 351                                 return 1;
 352                         }
 353
 354                         bindconf_unparse( &li->li_acl, &bv );
 355
 356                         for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 357                                 /* count spaces */ ;
 358
 359                         if ( i ) {
 360                                 bv.bv_len -= i;
 361                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 362                                         bv.bv_len + 1 );
 363                         }
 364
 365                         ber_bvarray_add( &c->rvalue_vals, &bv );
 366                         break;
 367                 }
 368
 369                 case LDAP_BACK_CFG_IDASSERT_MODE:
 370                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 371                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 372                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 373                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 374                         rc = 1;
 375                         break;
 376
 377                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 378                         int             i;
 379
 380                         if ( li->li_idassert_authz == NULL ) {
 381                                 rc = 1;
 382                                 break;
 383                         }
 384
 385                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 386                         {
 387                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 388                         }
 389                         break;
 390                 }
 391
 392                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 393                         int             i;
 394                         struct berval   bc = BER_BVNULL;
 395                         char            *ptr;
 396
 397                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 398                                 return 1;
 399                         }
 400
 401                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 402                                 ber_len_t       len;
 403
 404                                 switch ( li->li_idassert_mode ) {
 405                                 case LDAP_BACK_IDASSERT_OTHERID:
 406                                 case LDAP_BACK_IDASSERT_OTHERDN:
 407                                         break;
 408
 409                                 default: {
 410                                         struct berval   mode = BER_BVNULL;
 411
 412                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 413                                         if ( BER_BVISNULL( &mode ) ) {
 414                                                 /* there's something wrong... */
 415                                                 assert( 0 );
 416                                                 rc = 1;
 417
 418                                         } else {
 419                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 420                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 421
 422                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 423                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 424                                         }
 425                                         break;
 426                                 }
 427                                 }
 428
 429                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 430                                         len = bv.bv_len + STRLENOF( "authz=native" );
 431
 432                                         if ( !BER_BVISEMPTY( &bv ) ) {
 433                                                 len += STRLENOF( " " );
 434                                         }
 435
 436                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 437
 438                                         ptr = &bv.bv_val[ bv.bv_len ];
 439
 440                                         if ( !BER_BVISEMPTY( &bv ) ) {
 441                                                 ptr = lutil_strcopy( ptr, " " );
 442                                         }
 443
 444                                         (void)lutil_strcopy( ptr, "authz=native" );
 445                                 }
 446
 447                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override" );
 448                                 /* flags */
 449                                 if ( !BER_BVISEMPTY( &bv ) ) {
 450                                         len += STRLENOF( " " );
 451                                 }
 452
 453                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 454
 455                                 ptr = &bv.bv_val[ bv.bv_len ];
 456
 457                                 if ( !BER_BVISEMPTY( &bv ) ) {
 458                                         ptr = lutil_strcopy( ptr, " " );
 459                                 }
 460
 461                                 ptr = lutil_strcopy( ptr, "flags=" );
 462
 463                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 464                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 465                                 } else {
 466                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 467                                 }
 468
 469                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 470                                         ptr = lutil_strcopy( ptr, ",override" );
 471                                 }
 472
 473                                 bv.bv_len = ( ptr - bv.bv_val );
 474                                 /* end-of-flags */
 475                         }
 476
 477                         bindconf_unparse( &li->li_idassert, &bc );
 478
 479                         if ( !BER_BVISNULL( &bv ) ) {
 480                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 481
 482                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 483
 484                                 assert( bc.bv_val[ 0 ] == ' ' );
 485
 486                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 487                                 free( bc.bv_val );
 488                                 bv.bv_len = ptr - bv.bv_val;
 489
 490                         } else {
 491                                 for ( i = 0; isspace( bc.bv_val[ i ] ); i++ )
 492                                         /* count spaces */ ;
 493
 494                                 if ( i ) {
 495                                         bc.bv_len -= i;
 496                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 497                                 }
 498
 499                                 bv = bc;
 500                         }
 501
 502                         ber_bvarray_add( &c->rvalue_vals, &bv );
 503
 504                         break;
 505                 }
 506
 507                 case LDAP_BACK_CFG_REBIND:
 508                         c->value_int = LDAP_BACK_SAVECRED( li );
 509                         break;
 510
 511                 case LDAP_BACK_CFG_CHASE:
 512                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 513                         break;
 514
 515                 case LDAP_BACK_CFG_T_F:
 516                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_SUPPORT_T_F_MASK), &bv );
 517                         if ( BER_BVISNULL( &bv ) ) {
 518                                 /* there's something wrong... */
 519                                 assert( 0 );
 520                                 rc = 1;
 521
 522                         } else {
 523                                 value_add_one( &c->rvalue_vals, &bv );
 524                         }
 525                         break;
 526
 527                 case LDAP_BACK_CFG_WHOAMI:
 528                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 529                         break;
 530
 531                 case LDAP_BACK_CFG_TIMEOUT:
 532                         BER_BVZERO( &bv );
 533
 534                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 535                                 if ( li->li_timeout[ i ] != 0 ) {
 536                                         break;
 537                                 }
 538                         }
 539
 540                         if ( i == LDAP_BACK_OP_LAST ) {
 541                                 return 1;
 542                         }
 543
 544                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 545
 546                         if ( BER_BVISNULL( &bv ) ) {
 547                                 return 1;
 548                         }
 549
 550                         for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 551                                 /* count spaces */ ;
 552
 553                         if ( i ) {
 554                                 bv.bv_len -= i;
 555                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 556                                         bv.bv_len + 1 );
 557                         }
 558
 559                         ber_bvarray_add( &c->rvalue_vals, &bv );
 560                         break;
 561
 562                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 563                         char    buf[ SLAP_TEXT_BUFLEN ];
 564
 565                         if ( li->li_idle_timeout == 0 ) {
 566                                 return 1;
 567                         }
 568
 569                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 570                         ber_str2bv( buf, 0, 0, &bv );
 571                         value_add_one( &c->rvalue_vals, &bv );
 572                         } break;
 573
 574                 case LDAP_BACK_CFG_CONN_TTL: {
 575                         char    buf[ SLAP_TEXT_BUFLEN ];
 576
 577                         if ( li->li_conn_ttl == 0 ) {
 578                                 return 1;
 579                         }
 580
 581                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 582                         ber_str2bv( buf, 0, 0, &bv );
 583                         value_add_one( &c->rvalue_vals, &bv );
 584                         } break;
 585
 586                 default:
 587                         /* FIXME: we need to handle all... */
 588                         assert( 0 );
 589                         break;
 590                 }
 591                 return rc;
 592
 593         } else if ( c->op == LDAP_MOD_DELETE ) {
 594                 rc = 0;
 595                 switch( c->type ) {
 596                 case LDAP_BACK_CFG_URI:
 597                         if ( li->li_uri != NULL ) {
 598                                 ch_free( li->li_uri );
 599                                 li->li_uri = NULL;
 600
 601                                 assert( li->li_bvuri != NULL );
 602                                 ber_bvarray_free( li->li_bvuri );
 603                                 li->li_bvuri = NULL;
 604                         }
 605
 606                         /* better cleanup the cached connections... */
 607                         /* NOTE: don't worry about locking: if we got here,
 608                          * other threads are suspended. */
 609                         if ( li->li_conninfo.lai_tree != NULL ) {
 610                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 611                                 li->li_conninfo.lai_tree = NULL;
 612                         }
 613
 614                         break;
 615
 616                 case LDAP_BACK_CFG_TLS:
 617                         rc = 1;
 618                         break;
 619
 620                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 621                 case LDAP_BACK_CFG_ACL_PASSWD:
 622                 case LDAP_BACK_CFG_ACL_METHOD:
 623                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 624                         rc = 1;
 625                         break;
 626
 627                 case LDAP_BACK_CFG_ACL_BIND:
 628                         bindconf_free( &li->li_acl );
 629                         break;
 630
 631                 case LDAP_BACK_CFG_IDASSERT_MODE:
 632                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 633                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 634                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 635                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 636                         rc = 1;
 637                         break;
 638
 639                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 640                         if ( li->li_idassert_authz != NULL ) {
 641                                 ber_bvarray_free( li->li_idassert_authz );
 642                                 li->li_idassert_authz = NULL;
 643                         }
 644                         break;
 645
 646                 case LDAP_BACK_CFG_IDASSERT_BIND:
 647                         bindconf_free( &li->li_idassert );
 648                         break;
 649
 650                 case LDAP_BACK_CFG_REBIND:
 651                 case LDAP_BACK_CFG_CHASE:
 652                 case LDAP_BACK_CFG_T_F:
 653                 case LDAP_BACK_CFG_WHOAMI:
 654                         rc = 1;
 655                         break;
 656
 657                 case LDAP_BACK_CFG_TIMEOUT:
 658                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 659                                 li->li_timeout[ i ] = 0;
 660                         }
 661                         break;
 662
 663                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
 664                         li->li_idle_timeout = 0;
 665                         break;
 666
 667                 case LDAP_BACK_CFG_CONN_TTL:
 668                         li->li_conn_ttl = 0;
 669                         break;
 670
 671                 default:
 672                         /* FIXME: we need to handle all... */
 673                         assert( 0 );
 674                         break;
 675                 }
 676                 return rc;
 677
 678         }
 679
 680         switch( c->type ) {
 681         case LDAP_BACK_CFG_URI: {
 682                 LDAPURLDesc     *tmpludp, *lud;
 683                 char            **urllist = NULL;
 684                 int             urlrc = LDAP_URL_SUCCESS, i;
 685
 686                 if ( li->li_uri != NULL ) {
 687                         ch_free( li->li_uri );
 688                         li->li_uri = NULL;
 689
 690                         assert( li->li_bvuri != NULL );
 691                         ber_bvarray_free( li->li_bvuri );
 692                         li->li_bvuri = NULL;
 693                 }
 694
 695                 /* PARANOID: DN and more are not required nor allowed */
 696                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t" );
 697                 if ( urlrc != LDAP_URL_SUCCESS ) {
 698                         char    *why;
 699
 700                         switch ( urlrc ) {
 701                         case LDAP_URL_ERR_MEM:
 702                                 why = "no memory";
 703                                 break;
 704                         case LDAP_URL_ERR_PARAM:
 705                                 why = "parameter is bad";
 706                                 break;
 707                         case LDAP_URL_ERR_BADSCHEME:
 708                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 709                                 break;
 710                         case LDAP_URL_ERR_BADENCLOSURE:
 711                                 why = "URL is missing trailing \">\"";
 712                                 break;
 713                         case LDAP_URL_ERR_BADURL:
 714                                 why = "URL is bad";
 715                                 break;
 716                         case LDAP_URL_ERR_BADHOST:
 717                                 why = "host/port is bad";
 718                                 break;
 719                         case LDAP_URL_ERR_BADATTRS:
 720                                 why = "bad (or missing) attributes";
 721                                 break;
 722                         case LDAP_URL_ERR_BADSCOPE:
 723                                 why = "scope string is invalid (or missing)";
 724                                 break;
 725                         case LDAP_URL_ERR_BADFILTER:
 726                                 why = "bad or missing filter";
 727                                 break;
 728                         case LDAP_URL_ERR_BADEXTS:
 729                                 why = "bad or missing extensions";
 730                                 break;
 731                         default:
 732                                 why = "unknown reason";
 733                                 break;
 734                         }
 735                         snprintf( c->msg, sizeof( c->msg),
 736                                         "unable to parse uri \"%s\" "
 737                                         "in \"uri <uri>\" line: %s",
 738                                         c->value_string, why );
 739                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 740                         urlrc = 1;
 741                         goto done_url;
 742                 }
 743
 744                 for ( i = 0, tmpludp = lud;
 745                                 tmpludp;
 746                                 i++, tmpludp = tmpludp->lud_next )
 747                 {
 748                         if ( ( tmpludp->lud_dn != NULL
 749                                                 && tmpludp->lud_dn[0] != '\0' )
 750                                         || tmpludp->lud_attrs != NULL
 751                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 752                                         || tmpludp->lud_filter != NULL
 753                                         || tmpludp->lud_exts != NULL )
 754                         {
 755                                 snprintf( c->msg, sizeof( c->msg ),
 756                                                 "warning, only protocol, "
 757                                                 "host and port allowed "
 758                                                 "in \"uri <uri>\" statement "
 759                                                 "for uri #%d of \"%s\"",
 760                                                 i, c->value_string );
 761                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 762                         }
 763                 }
 764
 765                 for ( i = 0, tmpludp = lud;
 766                                 tmpludp;
 767                                 i++, tmpludp = tmpludp->lud_next )
 768                         /* just count */
 769                         ;
 770                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 771
 772                 for ( i = 0, tmpludp = lud;
 773                                 tmpludp;
 774                                 i++, tmpludp = tmpludp->lud_next )
 775                 {
 776                         LDAPURLDesc     tmplud;
 777
 778                         tmplud = *tmpludp;
 779                         tmplud.lud_dn = "";
 780                         tmplud.lud_attrs = NULL;
 781                         tmplud.lud_filter = NULL;
 782                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 783                                 tmplud.lud_exts = NULL;
 784                                 tmplud.lud_crit_exts = 0;
 785                         }
 786
 787                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 788
 789                         if ( urllist[ i ] == NULL ) {
 790                                 snprintf( c->msg, sizeof( c->msg),
 791                                         "unable to rebuild uri "
 792                                         "in \"uri <uri>\" statement "
 793                                         "for \"%s\"",
 794                                         c->argv[ 1 ] );
 795                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 796                                 urlrc = 1;
 797                                 goto done_url;
 798                         }
 799                 }
 800
 801                 li->li_uri = ldap_charray2str( urllist, " " );
 802                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 803                         struct berval   bv;
 804
 805                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 806                         ber_bvarray_add( &li->li_bvuri, &bv );
 807                         urllist[ i ] = NULL;
 808                 }
 809                 ldap_memfree( urllist );
 810                 urllist = NULL;
 811
 812 done_url:;
 813                 if ( urllist ) {
 814                         ldap_charray_free( urllist );
 815                 }
 816                 if ( lud ) {
 817                         ldap_free_urllist( lud );
 818                 }
 819                 if ( urlrc != LDAP_URL_SUCCESS ) {
 820                         return 1;
 821                 }
 822                 break;
 823         }
 824
 825         case LDAP_BACK_CFG_TLS:
 826                 i = verb_to_mask( c->argv[1], tls_mode );
 827                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 828                         return 1;
 829                 }
 830                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 831                 li->li_flags |= tls_mode[i].mask;
 832                 break;
 833
 834         case LDAP_BACK_CFG_ACL_AUTHCDN:
 835                 switch ( li->li_acl_authmethod ) {
 836                 case LDAP_AUTH_NONE:
 837                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 838                         break;
 839
 840                 case LDAP_AUTH_SIMPLE:
 841                         break;
 842
 843                 default:
 844                         snprintf( c->msg, sizeof( c->msg),
 845                                 "\"acl-authcDN <DN>\" incompatible "
 846                                 "with auth method %d",
 847                                 li->li_acl_authmethod );
 848                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 849                         return 1;
 850                 }
 851                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 852                         free( li->li_acl_authcDN.bv_val );
 853                 }
 854                 ber_memfree_x( c->value_dn.bv_val, NULL );
 855                 li->li_acl_authcDN = c->value_ndn;
 856                 BER_BVZERO( &c->value_dn );
 857                 BER_BVZERO( &c->value_ndn );
 858                 break;
 859
 860         case LDAP_BACK_CFG_ACL_PASSWD:
 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-passwd <cred>\" 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_passwd ) ) {
 878                         free( li->li_acl_passwd.bv_val );
 879                 }
 880                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 881                 break;
 882
 883         case LDAP_BACK_CFG_ACL_METHOD:
 884         case LDAP_BACK_CFG_ACL_BIND:
 885                 for ( i = 1; i < c->argc; i++ ) {
 886                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 887                                 return 1;
 888                         }
 889                 }
 890                 break;
 891
 892         case LDAP_BACK_CFG_IDASSERT_MODE:
 893                 i = verb_to_mask( c->argv[1], idassert_mode );
 894                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 895                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 896                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 897                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
 898                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
 899
 900                         } else {
 901                                 struct berval   id, ndn;
 902
 903                                 ber_str2bv( c->argv[1], 0, 0, &id );
 904
 905                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 906                                         id.bv_val += STRLENOF( "dn:" );
 907                                         id.bv_len -= STRLENOF( "dn:" );
 908                                 }
 909
 910                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 911                                 if ( rc != LDAP_SUCCESS ) {
 912                                         Debug( LDAP_DEBUG_ANY,
 913                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 914                                                 c->fname, c->lineno, c->argv[1] );
 915                                         return 1;
 916                                 }
 917
 918                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 919                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
 920                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 921                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 922                                 ch_free( ndn.bv_val );
 923
 924                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 925                         }
 926
 927                 } else {
 928                         li->li_idassert_mode = idassert_mode[i].mask;
 929                 }
 930
 931                 if ( c->argc > 2 ) {
 932                         int     i;
 933
 934                         for ( i = 2; i < c->argc; i++ ) {
 935                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 936                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 937
 938                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 939                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 940
 941                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 942                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 943
 944                                 } else {
 945                                         Debug( LDAP_DEBUG_ANY,
 946                                                 "%s: line %d: unknown flag #%d "
 947                                                 "in \"idassert-mode <args> "
 948                                                 "[<flags>]\" line.\n",
 949                                                 c->fname, c->lineno, i - 2 );
 950                                         return 1;
 951                                 }
 952                         }
 953                 }
 954                 break;
 955
 956         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 957                 switch ( li->li_idassert_authmethod ) {
 958                 case LDAP_AUTH_NONE:
 959                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 960                         break;
 961
 962                 case LDAP_AUTH_SIMPLE:
 963                         break;
 964
 965                 default:
 966                         snprintf( c->msg, sizeof( c->msg ),
 967                                 "\"idassert-authcDN <DN>\" incompatible "
 968                                 "with auth method %d",
 969                                 li->li_idassert_authmethod );
 970                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 971                         return 1;
 972                 }
 973                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
 974                         free( li->li_idassert_authcDN.bv_val );
 975                 }
 976                 ber_memfree_x( c->value_dn.bv_val, NULL );
 977                 li->li_idassert_authcDN = c->value_ndn;
 978                 BER_BVZERO( &c->value_dn );
 979                 BER_BVZERO( &c->value_ndn );
 980                 break;
 981
 982         case LDAP_BACK_CFG_IDASSERT_PASSWD:
 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-passwd <cred>\" 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_passwd ) ) {
1000                         free( li->li_idassert_passwd.bv_val );
1001                 }
1002                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1003                 break;
1004
1005         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
1006                 struct berval   bv;
1007 #ifdef SLAP_AUTHZ_SYNTAX
1008                 struct berval   in;
1009                 int             rc;
1010
1011                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
1012                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
1013                 if ( rc != LDAP_SUCCESS ) {
1014                         snprintf( c->msg, sizeof( c->msg ),
1015                                 "\"idassert-authzFrom <authz>\": "
1016                                 "invalid syntax" );
1017                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1018                         return 1;
1019                 }
1020 #else /* !SLAP_AUTHZ_SYNTAX */
1021                 ber_str2bv( c->argv[ 1 ], 0, 1, &bv );
1022 #endif /* !SLAP_AUTHZ_SYNTAX */
1023                 ber_bvarray_add( &li->li_idassert_authz, &bv );
1024                 } break;
1025
1026         case LDAP_BACK_CFG_IDASSERT_METHOD:
1027                 /* no longer supported */
1028                 snprintf( c->msg, sizeof( c->msg ),
1029                         "\"idassert-method <args>\": "
1030                         "no longer supported; use \"idassert-bind\"" );
1031                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1032                 return 1;
1033
1034         case LDAP_BACK_CFG_IDASSERT_BIND:
1035                 for ( i = 1; i < c->argc; i++ ) {
1036                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
1037                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
1038                                 int     j;
1039
1040                                 j = verb_to_mask( argvi, idassert_mode );
1041                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
1042                                         snprintf( c->msg, sizeof( c->msg ),
1043                                                 "\"idassert-bind <args>\": "
1044                                                 "unknown mode \"%s\"",
1045                                                 argvi );
1046                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1047                                         return 1;
1048                                 }
1049
1050                                 li->li_idassert_mode = idassert_mode[ j ].mask;
1051
1052                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1053                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
1054
1055                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
1056                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
1057                                                 snprintf( c->msg, sizeof( c->msg ),
1058                                                         "\"idassert-bind <args>\": "
1059                                                         "authz=\"native\" incompatible "
1060                                                         "with auth method" );
1061                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1062                                                 return 1;
1063                                         }
1064                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1065
1066                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
1067                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1068
1069                                 } else {
1070                                         snprintf( c->msg, sizeof( c->msg ),
1071                                                 "\"idassert-bind <args>\": "
1072                                                 "unknown authz \"%s\"",
1073                                                 argvi );
1074                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1075                                         return 1;
1076                                 }
1077
1078                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1079                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1080                                 char    **flags = ldap_str2charray( argvi, "," );
1081                                 int     j;
1082
1083                                 if ( flags == NULL ) {
1084                                         snprintf( c->msg, sizeof( c->msg ),
1085                                                 "\"idassert-bind <args>\": "
1086                                                 "unable to parse flags \"%s\"",
1087                                                 argvi );
1088                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1089                                         return 1;
1090                                 }
1091
1092                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1093                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1094                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1095
1096                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1097                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1098
1099                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1100                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1101
1102                                         } else {
1103                                                 snprintf( c->msg, sizeof( c->msg ),
1104                                                         "\"idassert-bind <args>\": "
1105                                                         "unknown flag \"%s\"",
1106                                                         flags[ j ] );
1107                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1108                                                 return 1;
1109                                         }
1110                                 }
1111
1112                                 ldap_charray_free( flags );
1113
1114                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1115                                 return 1;
1116                         }
1117                 }
1118                 break;
1119
1120         case LDAP_BACK_CFG_REBIND:
1121                 if ( c->argc == 1 || c->value_int ) {
1122                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1123
1124                 } else {
1125                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1126                 }
1127                 break;
1128
1129         case LDAP_BACK_CFG_CHASE:
1130                 if ( c->argc == 1 || c->value_int ) {
1131                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1132
1133                 } else {
1134                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1135                 }
1136                 break;
1137
1138         case LDAP_BACK_CFG_T_F:
1139                 i = verb_to_mask( c->argv[1], t_f_mode );
1140                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1141                         return 1;
1142                 }
1143                 li->li_flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1144                 li->li_flags |= t_f_mode[i].mask;
1145                 break;
1146
1147         case LDAP_BACK_CFG_WHOAMI:
1148                 if ( c->argc == 1 || c->value_int ) {
1149                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1150                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1151                                         0, ldap_back_exop_whoami );
1152
1153                 } else {
1154                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1155                 }
1156                 break;
1157
1158         case LDAP_BACK_CFG_TIMEOUT:
1159                 for ( i = 1; i < c->argc; i++ ) {
1160                         if ( isdigit( c->argv[ i ][ 0 ] ) ) {
1161                                 int             j;
1162                                 unsigned        u;
1163
1164                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1165                                         return 1;
1166                                 }
1167
1168                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1169                                         li->li_timeout[ j ] = u;
1170                                 }
1171
1172                                 continue;
1173                         }
1174
1175                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1176                                 return 1;
1177                         }
1178                 }
1179                 break;
1180
1181         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1182                 unsigned long   t;
1183
1184                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1185                         snprintf( c->msg, sizeof( c->msg),
1186                                 "unable to parse idle timeout \"%s\"",
1187                                 c->argv[ 1 ] );
1188                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1189                         return 1;
1190                 }
1191                 li->li_idle_timeout = (time_t)t;
1192                 } break;
1193
1194         case LDAP_BACK_CFG_CONN_TTL: {
1195                 unsigned long   t;
1196
1197                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1198                         snprintf( c->msg, sizeof( c->msg),
1199                                 "unable to parse conn ttl\"%s\"",
1200                                 c->argv[ 1 ] );
1201                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1202                         return 1;
1203                 }
1204                 li->li_conn_ttl = (time_t)t;
1205                 } break;
1206
1207         case LDAP_BACK_CFG_REWRITE:
1208                 snprintf( c->msg, sizeof( c->msg ),
1209                         "rewrite/remap capabilities have been moved "
1210                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1211                         "for details (hint: add \"overlay rwm\" "
1212                         "and prefix all directives with \"rwm-\")" );
1213                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1214                 return 1;
1215
1216         default:
1217                 /* FIXME: try to catch inconsistencies */
1218                 assert( 0 );
1219                 break;
1220         }
1221
1222         return 0;
1223 }
1224
1225 int
1226 ldap_back_init_cf( BackendInfo *bi )
1227 {
1228         int                     rc;
1229         AttributeDescription    *ad = NULL;
1230         const char              *text;
1231
1232         /* Make sure we don't exceed the bits reserved for userland */
1233         config_check_userland( LDAP_BACK_CFG_LAST );
1234
1235         bi->bi_cf_ocs = ldapocs;
1236
1237         rc = config_register_schema( ldapcfg, ldapocs );
1238         if ( rc ) {
1239                 return rc;
1240         }
1241
1242         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1243          * to be base64-encoded when written in LDIF form;
1244          * basically, we don't care if it fails */
1245         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1246         if ( rc ) {
1247                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1248                         "warning, unable to get \"olcDbACLPasswd\" "
1249                         "attribute description: %d: %s\n",
1250                         rc, text, 0 );
1251         } else {
1252                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1253                         ad->ad_type->sat_oid );
1254         }
1255
1256         ad = NULL;
1257         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1258         if ( rc ) {
1259                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1260                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1261                         "attribute description: %d: %s\n",
1262                         rc, text, 0 );
1263         } else {
1264                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1265                         ad->ad_type->sat_oid );
1266         }
1267
1268         return 0;
1269 }
1270
1271
1272 static int
1273 ldap_back_exop_whoami(
1274                 Operation       *op,
1275                 SlapReply       *rs )
1276 {
1277         struct berval *bv = NULL;
1278
1279         if ( op->oq_extended.rs_reqdata != NULL ) {
1280                 /* no request data should be provided */
1281                 rs->sr_text = "no request data expected";
1282                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1283         }
1284
1285         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1286             op->o_log_prefix, 0, 0, 0, 0 );
1287
1288         rs->sr_err = backend_check_restrictions( op, rs,
1289                         (struct berval *)&slap_EXOP_WHOAMI );
1290         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1291
1292         /* if auth'd by back-ldap and request is proxied, forward it */
1293         if ( op->o_conn->c_authz_backend
1294                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1295                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1296         {
1297                 ldapconn_t      *lc;
1298                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1299                 LDAPMessage *res;
1300                 Operation op2 = *op;
1301                 ber_int_t msgid;
1302                 int doretry = 1;
1303                 char *ptr;
1304
1305                 ctrls[0] = &c;
1306                 op2.o_ndn = op->o_conn->c_ndn;
1307                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1308                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1309                         return -1;
1310                 }
1311                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1312                 c.ldctl_iscritical = 1;
1313                 c.ldctl_value.bv_val = op->o_tmpalloc(
1314                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1315                         op->o_tmpmemctx );
1316                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1317                 ptr = c.ldctl_value.bv_val;
1318                 ptr = lutil_strcopy( ptr, "dn:" );
1319                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1320                 ptr[ 0 ] = '\0';
1321
1322 retry:
1323                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1324                 if ( rs->sr_err == LDAP_SUCCESS ) {
1325                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1326                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1327                                         &rs->sr_err );
1328                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1329                                         doretry = 0;
1330                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1331                                                 goto retry;
1332                                         }
1333                                 }
1334
1335                         } else {
1336                                 /* NOTE: are we sure "bv" will be malloc'ed
1337                                  * with the appropriate memory? */
1338                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1339                                 ldap_msgfree(res);
1340                         }
1341                 }
1342                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1343                 if ( rs->sr_err != LDAP_SUCCESS ) {
1344                         rs->sr_err = slap_map_api2result( rs );
1345                 }
1346
1347                 if ( lc != NULL ) {
1348                         ldap_back_release_conn( &op2, rs, lc );
1349                 }
1350
1351         } else {
1352                 /* else just do the same as before */
1353                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1354                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1355                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1356                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1357                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1358                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1359                                 op->o_dn.bv_len );
1360                         bv->bv_val[ bv->bv_len ] = '\0';
1361
1362                 } else {
1363                         bv->bv_len = 0;
1364                         bv->bv_val = NULL;
1365                 }
1366         }
1367
1368         rs->sr_rspdata = bv;
1369         return rs->sr_err;
1370 }
1371
1372