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,obsolete-encoding-workaround" );
 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                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 483                                         ptr = lutil_strcopy( ptr, ",obsolete-proxy-authz" );
 484
 485                                 } else if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 486                                         ptr = lutil_strcopy( ptr, ",obsolete-encoding-workaround" );
 487                                 }
 488
 489                                 bv.bv_len = ( ptr - bv.bv_val );
 490                                 /* end-of-flags */
 491                         }
 492
 493                         bindconf_unparse( &li->li_idassert, &bc );
 494
 495                         if ( !BER_BVISNULL( &bv ) ) {
 496                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 497
 498                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 499
 500                                 assert( bc.bv_val[ 0 ] == ' ' );
 501
 502                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 503                                 free( bc.bv_val );
 504                                 bv.bv_len = ptr - bv.bv_val;
 505
 506                         } else {
 507                                 for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
 508                                         /* count spaces */ ;
 509
 510                                 if ( i ) {
 511                                         bc.bv_len -= i;
 512                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 513                                 }
 514
 515                                 bv = bc;
 516                         }
 517
 518                         ber_bvarray_add( &c->rvalue_vals, &bv );
 519
 520                         break;
 521                 }
 522
 523                 case LDAP_BACK_CFG_REBIND:
 524                         c->value_int = LDAP_BACK_SAVECRED( li );
 525                         break;
 526
 527                 case LDAP_BACK_CFG_CHASE:
 528                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 529                         break;
 530
 531                 case LDAP_BACK_CFG_T_F:
 532                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_SUPPORT_T_F_MASK), &bv );
 533                         if ( BER_BVISNULL( &bv ) ) {
 534                                 /* there's something wrong... */
 535                                 assert( 0 );
 536                                 rc = 1;
 537
 538                         } else {
 539                                 value_add_one( &c->rvalue_vals, &bv );
 540                         }
 541                         break;
 542
 543                 case LDAP_BACK_CFG_WHOAMI:
 544                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 545                         break;
 546
 547                 case LDAP_BACK_CFG_TIMEOUT:
 548                         BER_BVZERO( &bv );
 549
 550                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 551                                 if ( li->li_timeout[ i ] != 0 ) {
 552                                         break;
 553                                 }
 554                         }
 555
 556                         if ( i == LDAP_BACK_OP_LAST ) {
 557                                 return 1;
 558                         }
 559
 560                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 561
 562                         if ( BER_BVISNULL( &bv ) ) {
 563                                 return 1;
 564                         }
 565
 566                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 567                                 /* count spaces */ ;
 568
 569                         if ( i ) {
 570                                 bv.bv_len -= i;
 571                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 572                                         bv.bv_len + 1 );
 573                         }
 574
 575                         ber_bvarray_add( &c->rvalue_vals, &bv );
 576                         break;
 577
 578                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 579                         char    buf[ SLAP_TEXT_BUFLEN ];
 580
 581                         if ( li->li_idle_timeout == 0 ) {
 582                                 return 1;
 583                         }
 584
 585                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 586                         ber_str2bv( buf, 0, 0, &bv );
 587                         value_add_one( &c->rvalue_vals, &bv );
 588                         } break;
 589
 590                 case LDAP_BACK_CFG_CONN_TTL: {
 591                         char    buf[ SLAP_TEXT_BUFLEN ];
 592
 593                         if ( li->li_conn_ttl == 0 ) {
 594                                 return 1;
 595                         }
 596
 597                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 598                         ber_str2bv( buf, 0, 0, &bv );
 599                         value_add_one( &c->rvalue_vals, &bv );
 600                         } break;
 601
 602                 case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
 603                         char    buf[ SLAP_TEXT_BUFLEN ];
 604
 605                         if ( li->li_network_timeout == 0 ) {
 606                                 return 1;
 607                         }
 608
 609                         snprintf( buf, sizeof( buf ), "%ld",
 610                                 (long)li->li_network_timeout );
 611                         ber_str2bv( buf, 0, 0, &bv );
 612                         value_add_one( &c->rvalue_vals, &bv );
 613                         } break;
 614
 615                 default:
 616                         /* FIXME: we need to handle all... */
 617                         assert( 0 );
 618                         break;
 619                 }
 620                 return rc;
 621
 622         } else if ( c->op == LDAP_MOD_DELETE ) {
 623                 rc = 0;
 624                 switch( c->type ) {
 625                 case LDAP_BACK_CFG_URI:
 626                         if ( li->li_uri != NULL ) {
 627                                 ch_free( li->li_uri );
 628                                 li->li_uri = NULL;
 629
 630                                 assert( li->li_bvuri != NULL );
 631                                 ber_bvarray_free( li->li_bvuri );
 632                                 li->li_bvuri = NULL;
 633                         }
 634
 635                         /* better cleanup the cached connections... */
 636                         /* NOTE: don't worry about locking: if we got here,
 637                          * other threads are suspended. */
 638                         if ( li->li_conninfo.lai_tree != NULL ) {
 639                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 640                                 li->li_conninfo.lai_tree = NULL;
 641                         }
 642
 643                         break;
 644
 645                 case LDAP_BACK_CFG_TLS:
 646                         rc = 1;
 647                         break;
 648
 649                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 650                 case LDAP_BACK_CFG_ACL_PASSWD:
 651                 case LDAP_BACK_CFG_ACL_METHOD:
 652                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 653                         rc = 1;
 654                         break;
 655
 656                 case LDAP_BACK_CFG_ACL_BIND:
 657                         bindconf_free( &li->li_acl );
 658                         break;
 659
 660                 case LDAP_BACK_CFG_IDASSERT_MODE:
 661                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 662                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 663                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 664                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 665                         rc = 1;
 666                         break;
 667
 668                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 669                         if ( li->li_idassert_authz != NULL ) {
 670                                 ber_bvarray_free( li->li_idassert_authz );
 671                                 li->li_idassert_authz = NULL;
 672                         }
 673                         break;
 674
 675                 case LDAP_BACK_CFG_IDASSERT_BIND:
 676                         bindconf_free( &li->li_idassert );
 677                         break;
 678
 679                 case LDAP_BACK_CFG_REBIND:
 680                 case LDAP_BACK_CFG_CHASE:
 681                 case LDAP_BACK_CFG_T_F:
 682                 case LDAP_BACK_CFG_WHOAMI:
 683                         rc = 1;
 684                         break;
 685
 686                 case LDAP_BACK_CFG_TIMEOUT:
 687                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 688                                 li->li_timeout[ i ] = 0;
 689                         }
 690                         break;
 691
 692                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
 693                         li->li_idle_timeout = 0;
 694                         break;
 695
 696                 case LDAP_BACK_CFG_CONN_TTL:
 697                         li->li_conn_ttl = 0;
 698                         break;
 699
 700                 case LDAP_BACK_CFG_NETWORK_TIMEOUT:
 701                         li->li_network_timeout;
 702                         break;
 703
 704                 default:
 705                         /* FIXME: we need to handle all... */
 706                         assert( 0 );
 707                         break;
 708                 }
 709                 return rc;
 710
 711         }
 712
 713         switch( c->type ) {
 714         case LDAP_BACK_CFG_URI: {
 715                 LDAPURLDesc     *tmpludp, *lud;
 716                 char            **urllist = NULL;
 717                 int             urlrc = LDAP_URL_SUCCESS, i;
 718
 719                 if ( li->li_uri != NULL ) {
 720                         ch_free( li->li_uri );
 721                         li->li_uri = NULL;
 722
 723                         assert( li->li_bvuri != NULL );
 724                         ber_bvarray_free( li->li_bvuri );
 725                         li->li_bvuri = NULL;
 726                 }
 727
 728                 /* PARANOID: DN and more are not required nor allowed */
 729                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t" );
 730                 if ( urlrc != LDAP_URL_SUCCESS ) {
 731                         char    *why;
 732
 733                         switch ( urlrc ) {
 734                         case LDAP_URL_ERR_MEM:
 735                                 why = "no memory";
 736                                 break;
 737                         case LDAP_URL_ERR_PARAM:
 738                                 why = "parameter is bad";
 739                                 break;
 740                         case LDAP_URL_ERR_BADSCHEME:
 741                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 742                                 break;
 743                         case LDAP_URL_ERR_BADENCLOSURE:
 744                                 why = "URL is missing trailing \">\"";
 745                                 break;
 746                         case LDAP_URL_ERR_BADURL:
 747                                 why = "URL is bad";
 748                                 break;
 749                         case LDAP_URL_ERR_BADHOST:
 750                                 why = "host/port is bad";
 751                                 break;
 752                         case LDAP_URL_ERR_BADATTRS:
 753                                 why = "bad (or missing) attributes";
 754                                 break;
 755                         case LDAP_URL_ERR_BADSCOPE:
 756                                 why = "scope string is invalid (or missing)";
 757                                 break;
 758                         case LDAP_URL_ERR_BADFILTER:
 759                                 why = "bad or missing filter";
 760                                 break;
 761                         case LDAP_URL_ERR_BADEXTS:
 762                                 why = "bad or missing extensions";
 763                                 break;
 764                         default:
 765                                 why = "unknown reason";
 766                                 break;
 767                         }
 768                         snprintf( c->msg, sizeof( c->msg),
 769                                         "unable to parse uri \"%s\" "
 770                                         "in \"uri <uri>\" line: %s",
 771                                         c->value_string, why );
 772                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 773                         urlrc = 1;
 774                         goto done_url;
 775                 }
 776
 777                 for ( i = 0, tmpludp = lud;
 778                                 tmpludp;
 779                                 i++, tmpludp = tmpludp->lud_next )
 780                 {
 781                         if ( ( tmpludp->lud_dn != NULL
 782                                                 && tmpludp->lud_dn[0] != '\0' )
 783                                         || tmpludp->lud_attrs != NULL
 784                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 785                                         || tmpludp->lud_filter != NULL
 786                                         || tmpludp->lud_exts != NULL )
 787                         {
 788                                 snprintf( c->msg, sizeof( c->msg ),
 789                                                 "warning, only protocol, "
 790                                                 "host and port allowed "
 791                                                 "in \"uri <uri>\" statement "
 792                                                 "for uri #%d of \"%s\"",
 793                                                 i, c->value_string );
 794                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 795                         }
 796                 }
 797
 798                 for ( i = 0, tmpludp = lud;
 799                                 tmpludp;
 800                                 i++, tmpludp = tmpludp->lud_next )
 801                         /* just count */
 802                         ;
 803                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 804
 805                 for ( i = 0, tmpludp = lud;
 806                                 tmpludp;
 807                                 i++, tmpludp = tmpludp->lud_next )
 808                 {
 809                         LDAPURLDesc     tmplud;
 810
 811                         tmplud = *tmpludp;
 812                         tmplud.lud_dn = "";
 813                         tmplud.lud_attrs = NULL;
 814                         tmplud.lud_filter = NULL;
 815                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 816                                 tmplud.lud_exts = NULL;
 817                                 tmplud.lud_crit_exts = 0;
 818                         }
 819
 820                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 821
 822                         if ( urllist[ i ] == NULL ) {
 823                                 snprintf( c->msg, sizeof( c->msg),
 824                                         "unable to rebuild uri "
 825                                         "in \"uri <uri>\" statement "
 826                                         "for \"%s\"",
 827                                         c->argv[ 1 ] );
 828                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 829                                 urlrc = 1;
 830                                 goto done_url;
 831                         }
 832                 }
 833
 834                 li->li_uri = ldap_charray2str( urllist, " " );
 835                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 836                         struct berval   bv;
 837
 838                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 839                         ber_bvarray_add( &li->li_bvuri, &bv );
 840                         urllist[ i ] = NULL;
 841                 }
 842                 ldap_memfree( urllist );
 843                 urllist = NULL;
 844
 845 done_url:;
 846                 if ( urllist ) {
 847                         ldap_charray_free( urllist );
 848                 }
 849                 if ( lud ) {
 850                         ldap_free_urllist( lud );
 851                 }
 852                 if ( urlrc != LDAP_URL_SUCCESS ) {
 853                         return 1;
 854                 }
 855                 break;
 856         }
 857
 858         case LDAP_BACK_CFG_TLS:
 859                 i = verb_to_mask( c->argv[1], tls_mode );
 860                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 861                         return 1;
 862                 }
 863                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 864                 li->li_flags |= tls_mode[i].mask;
 865                 break;
 866
 867         case LDAP_BACK_CFG_ACL_AUTHCDN:
 868                 switch ( li->li_acl_authmethod ) {
 869                 case LDAP_AUTH_NONE:
 870                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 871                         break;
 872
 873                 case LDAP_AUTH_SIMPLE:
 874                         break;
 875
 876                 default:
 877                         snprintf( c->msg, sizeof( c->msg),
 878                                 "\"acl-authcDN <DN>\" incompatible "
 879                                 "with auth method %d",
 880                                 li->li_acl_authmethod );
 881                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 882                         return 1;
 883                 }
 884                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 885                         free( li->li_acl_authcDN.bv_val );
 886                 }
 887                 ber_memfree_x( c->value_dn.bv_val, NULL );
 888                 li->li_acl_authcDN = c->value_ndn;
 889                 BER_BVZERO( &c->value_dn );
 890                 BER_BVZERO( &c->value_ndn );
 891                 break;
 892
 893         case LDAP_BACK_CFG_ACL_PASSWD:
 894                 switch ( li->li_acl_authmethod ) {
 895                 case LDAP_AUTH_NONE:
 896                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 897                         break;
 898
 899                 case LDAP_AUTH_SIMPLE:
 900                         break;
 901
 902                 default:
 903                         snprintf( c->msg, sizeof( c->msg ),
 904                                 "\"acl-passwd <cred>\" incompatible "
 905                                 "with auth method %d",
 906                                 li->li_acl_authmethod );
 907                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 908                         return 1;
 909                 }
 910                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
 911                         free( li->li_acl_passwd.bv_val );
 912                 }
 913                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 914                 break;
 915
 916         case LDAP_BACK_CFG_ACL_METHOD:
 917         case LDAP_BACK_CFG_ACL_BIND:
 918                 for ( i = 1; i < c->argc; i++ ) {
 919                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 920                                 return 1;
 921                         }
 922                 }
 923                 break;
 924
 925         case LDAP_BACK_CFG_IDASSERT_MODE:
 926                 i = verb_to_mask( c->argv[1], idassert_mode );
 927                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 928                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 929                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 930                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
 931                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
 932
 933                         } else {
 934                                 struct berval   id, ndn;
 935
 936                                 ber_str2bv( c->argv[1], 0, 0, &id );
 937
 938                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 939                                         id.bv_val += STRLENOF( "dn:" );
 940                                         id.bv_len -= STRLENOF( "dn:" );
 941                                 }
 942
 943                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 944                                 if ( rc != LDAP_SUCCESS ) {
 945                                         Debug( LDAP_DEBUG_ANY,
 946                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 947                                                 c->fname, c->lineno, c->argv[1] );
 948                                         return 1;
 949                                 }
 950
 951                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 952                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
 953                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 954                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 955                                 ch_free( ndn.bv_val );
 956
 957                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 958                         }
 959
 960                 } else {
 961                         li->li_idassert_mode = idassert_mode[i].mask;
 962                 }
 963
 964                 if ( c->argc > 2 ) {
 965                         int     i;
 966
 967                         for ( i = 2; i < c->argc; i++ ) {
 968                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 969                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 970
 971                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 972                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 973
 974                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 975                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 976
 977                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-proxy-authz" ) == 0 ) {
 978                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 979                                                 Debug( LDAP_DEBUG_ANY,
 980                                                         "%s: line %d: \"obsolete-proxy-authz\" flag "
 981                                                         "in \"idassert-mode <args>\" "
 982                                                         "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
 983                                                         c->fname, c->lineno, 0 );
 984                                                 return 1;
 985                                         }
 986                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
 987
 988                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-encoding-workaround" ) == 0 ) {
 989                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 990                                                 Debug( LDAP_DEBUG_ANY,
 991                                                         "%s: line %d: \"obsolete-encoding-workaround\" flag "
 992                                                         "in \"idassert-mode <args>\" "
 993                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
 994                                                         c->fname, c->lineno, 0 );
 995                                                 return 1;
 996                                         }
 997                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
 998
 999                                 } else {
1000                                         Debug( LDAP_DEBUG_ANY,
1001                                                 "%s: line %d: unknown flag #%d "
1002                                                 "in \"idassert-mode <args> "
1003                                                 "[<flags>]\" line.\n",
1004                                                 c->fname, c->lineno, i - 2 );
1005                                         return 1;
1006                                 }
1007                         }
1008                 }
1009                 break;
1010
1011         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1012                 switch ( li->li_idassert_authmethod ) {
1013                 case LDAP_AUTH_NONE:
1014                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1015                         break;
1016
1017                 case LDAP_AUTH_SIMPLE:
1018                         break;
1019
1020                 default:
1021                         snprintf( c->msg, sizeof( c->msg ),
1022                                 "\"idassert-authcDN <DN>\" incompatible "
1023                                 "with auth method %d",
1024                                 li->li_idassert_authmethod );
1025                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1026                         return 1;
1027                 }
1028                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
1029                         free( li->li_idassert_authcDN.bv_val );
1030                 }
1031                 ber_memfree_x( c->value_dn.bv_val, NULL );
1032                 li->li_idassert_authcDN = c->value_ndn;
1033                 BER_BVZERO( &c->value_dn );
1034                 BER_BVZERO( &c->value_ndn );
1035                 break;
1036
1037         case LDAP_BACK_CFG_IDASSERT_PASSWD:
1038                 switch ( li->li_idassert_authmethod ) {
1039                 case LDAP_AUTH_NONE:
1040                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1041                         break;
1042
1043                 case LDAP_AUTH_SIMPLE:
1044                         break;
1045
1046                 default:
1047                         snprintf( c->msg, sizeof( c->msg ),
1048                                 "\"idassert-passwd <cred>\" incompatible "
1049                                 "with auth method %d",
1050                                 li->li_idassert_authmethod );
1051                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1052                         return 1;
1053                 }
1054                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
1055                         free( li->li_idassert_passwd.bv_val );
1056                 }
1057                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1058                 break;
1059
1060         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
1061                 struct berval   bv;
1062 #ifdef SLAP_AUTHZ_SYNTAX
1063                 struct berval   in;
1064                 int             rc;
1065
1066                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
1067                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
1068                 if ( rc != LDAP_SUCCESS ) {
1069                         snprintf( c->msg, sizeof( c->msg ),
1070                                 "\"idassert-authzFrom <authz>\": "
1071                                 "invalid syntax" );
1072                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1073                         return 1;
1074                 }
1075 #else /* !SLAP_AUTHZ_SYNTAX */
1076                 ber_str2bv( c->argv[ 1 ], 0, 1, &bv );
1077 #endif /* !SLAP_AUTHZ_SYNTAX */
1078                 ber_bvarray_add( &li->li_idassert_authz, &bv );
1079                 } break;
1080
1081         case LDAP_BACK_CFG_IDASSERT_METHOD:
1082                 /* no longer supported */
1083                 snprintf( c->msg, sizeof( c->msg ),
1084                         "\"idassert-method <args>\": "
1085                         "no longer supported; use \"idassert-bind\"" );
1086                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1087                 return 1;
1088
1089         case LDAP_BACK_CFG_IDASSERT_BIND:
1090                 for ( i = 1; i < c->argc; i++ ) {
1091                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
1092                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
1093                                 int     j;
1094
1095                                 j = verb_to_mask( argvi, idassert_mode );
1096                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
1097                                         snprintf( c->msg, sizeof( c->msg ),
1098                                                 "\"idassert-bind <args>\": "
1099                                                 "unknown mode \"%s\"",
1100                                                 argvi );
1101                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1102                                         return 1;
1103                                 }
1104
1105                                 li->li_idassert_mode = idassert_mode[ j ].mask;
1106
1107                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1108                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
1109
1110                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
1111                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
1112                                                 snprintf( c->msg, sizeof( c->msg ),
1113                                                         "\"idassert-bind <args>\": "
1114                                                         "authz=\"native\" incompatible "
1115                                                         "with auth method" );
1116                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1117                                                 return 1;
1118                                         }
1119                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1120
1121                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
1122                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1123
1124                                 } else {
1125                                         snprintf( c->msg, sizeof( c->msg ),
1126                                                 "\"idassert-bind <args>\": "
1127                                                 "unknown authz \"%s\"",
1128                                                 argvi );
1129                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1130                                         return 1;
1131                                 }
1132
1133                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1134                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1135                                 char    **flags = ldap_str2charray( argvi, "," );
1136                                 int     j;
1137
1138                                 if ( flags == NULL ) {
1139                                         snprintf( c->msg, sizeof( c->msg ),
1140                                                 "\"idassert-bind <args>\": "
1141                                                 "unable to parse flags \"%s\"",
1142                                                 argvi );
1143                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1144                                         return 1;
1145                                 }
1146
1147                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1148                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1149                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1150
1151                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1152                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1153
1154                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1155                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1156
1157                                         } else if ( strcasecmp( flags[ j ], "obsolete-proxy-authz" ) == 0 ) {
1158                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1159                                                         Debug( LDAP_DEBUG_ANY,
1160                                                                 "%s: line %d: \"obsolete-proxy-authz\" flag "
1161                                                                 "in \"idassert-mode <args>\" "
1162                                                                 "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1163                                                                 c->fname, c->lineno, 0 );
1164                                                         return 1;
1165                                                 }
1166                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1167
1168                                         } else if ( strcasecmp( flags[ j ], "obsolete-encoding-workaround" ) == 0 ) {
1169                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1170                                                         Debug( LDAP_DEBUG_ANY,
1171                                                                 "%s: line %d: \"obsolete-encoding-workaround\" flag "
1172                                                                 "in \"idassert-mode <args>\" "
1173                                                                 "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1174                                                                 c->fname, c->lineno, 0 );
1175                                                         return 1;
1176                                                 }
1177                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1178
1179                                         } else {
1180                                                 snprintf( c->msg, sizeof( c->msg ),
1181                                                         "\"idassert-bind <args>\": "
1182                                                         "unknown flag \"%s\"",
1183                                                         flags[ j ] );
1184                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1185                                                 ldap_charray_free( flags );
1186                                                 return 1;
1187                                         }
1188                                 }
1189
1190                                 ldap_charray_free( flags );
1191
1192                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1193                                 return 1;
1194                         }
1195                 }
1196                 break;
1197
1198         case LDAP_BACK_CFG_REBIND:
1199                 if ( c->argc == 1 || c->value_int ) {
1200                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1201
1202                 } else {
1203                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1204                 }
1205                 break;
1206
1207         case LDAP_BACK_CFG_CHASE:
1208                 if ( c->argc == 1 || c->value_int ) {
1209                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1210
1211                 } else {
1212                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1213                 }
1214                 break;
1215
1216         case LDAP_BACK_CFG_T_F:
1217                 i = verb_to_mask( c->argv[1], t_f_mode );
1218                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1219                         return 1;
1220                 }
1221                 li->li_flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1222                 li->li_flags |= t_f_mode[i].mask;
1223                 break;
1224
1225         case LDAP_BACK_CFG_WHOAMI:
1226                 if ( c->argc == 1 || c->value_int ) {
1227                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1228                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1229                                         0, ldap_back_exop_whoami );
1230
1231                 } else {
1232                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1233                 }
1234                 break;
1235
1236         case LDAP_BACK_CFG_TIMEOUT:
1237                 for ( i = 1; i < c->argc; i++ ) {
1238                         if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1239                                 int             j;
1240                                 unsigned        u;
1241
1242                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1243                                         return 1;
1244                                 }
1245
1246                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1247                                         li->li_timeout[ j ] = u;
1248                                 }
1249
1250                                 continue;
1251                         }
1252
1253                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1254                                 return 1;
1255                         }
1256                 }
1257                 break;
1258
1259         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1260                 unsigned long   t;
1261
1262                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1263                         snprintf( c->msg, sizeof( c->msg),
1264                                 "unable to parse idle timeout \"%s\"",
1265                                 c->argv[ 1 ] );
1266                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1267                         return 1;
1268                 }
1269                 li->li_idle_timeout = (time_t)t;
1270                 } break;
1271
1272         case LDAP_BACK_CFG_CONN_TTL: {
1273                 unsigned long   t;
1274
1275                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1276                         snprintf( c->msg, sizeof( c->msg),
1277                                 "unable to parse conn ttl\"%s\"",
1278                                 c->argv[ 1 ] );
1279                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1280                         return 1;
1281                 }
1282                 li->li_conn_ttl = (time_t)t;
1283                 } break;
1284
1285         case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1286                 unsigned long   t;
1287
1288                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1289                         snprintf( c->msg, sizeof( c->msg),
1290                                 "unable to parse network timeout \"%s\"",
1291                                 c->argv[ 1 ] );
1292                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1293                         return 1;
1294                 }
1295                 li->li_network_timeout = (time_t)t;
1296                 } break;
1297
1298         case LDAP_BACK_CFG_REWRITE:
1299                 snprintf( c->msg, sizeof( c->msg ),
1300                         "rewrite/remap capabilities have been moved "
1301                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1302                         "for details (hint: add \"overlay rwm\" "
1303                         "and prefix all directives with \"rwm-\")" );
1304                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1305                 return 1;
1306
1307         default:
1308                 /* FIXME: try to catch inconsistencies */
1309                 assert( 0 );
1310                 break;
1311         }
1312
1313         return 0;
1314 }
1315
1316 int
1317 ldap_back_init_cf( BackendInfo *bi )
1318 {
1319         int                     rc;
1320         AttributeDescription    *ad = NULL;
1321         const char              *text;
1322
1323         /* Make sure we don't exceed the bits reserved for userland */
1324         config_check_userland( LDAP_BACK_CFG_LAST );
1325
1326         bi->bi_cf_ocs = ldapocs;
1327
1328         rc = config_register_schema( ldapcfg, ldapocs );
1329         if ( rc ) {
1330                 return rc;
1331         }
1332
1333         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1334          * to be base64-encoded when written in LDIF form;
1335          * basically, we don't care if it fails */
1336         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1337         if ( rc ) {
1338                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1339                         "warning, unable to get \"olcDbACLPasswd\" "
1340                         "attribute description: %d: %s\n",
1341                         rc, text, 0 );
1342         } else {
1343                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1344                         ad->ad_type->sat_oid );
1345         }
1346
1347         ad = NULL;
1348         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1349         if ( rc ) {
1350                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1351                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1352                         "attribute description: %d: %s\n",
1353                         rc, text, 0 );
1354         } else {
1355                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1356                         ad->ad_type->sat_oid );
1357         }
1358
1359         return 0;
1360 }
1361
1362
1363 static int
1364 ldap_back_exop_whoami(
1365                 Operation       *op,
1366                 SlapReply       *rs )
1367 {
1368         struct berval *bv = NULL;
1369
1370         if ( op->oq_extended.rs_reqdata != NULL ) {
1371                 /* no request data should be provided */
1372                 rs->sr_text = "no request data expected";
1373                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1374         }
1375
1376         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1377             op->o_log_prefix, 0, 0, 0, 0 );
1378
1379         rs->sr_err = backend_check_restrictions( op, rs,
1380                         (struct berval *)&slap_EXOP_WHOAMI );
1381         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1382
1383         /* if auth'd by back-ldap and request is proxied, forward it */
1384         if ( op->o_conn->c_authz_backend
1385                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1386                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1387         {
1388                 ldapconn_t      *lc;
1389                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1390                 LDAPMessage *res;
1391                 Operation op2 = *op;
1392                 ber_int_t msgid;
1393                 int doretry = 1;
1394                 char *ptr;
1395
1396                 ctrls[0] = &c;
1397                 op2.o_ndn = op->o_conn->c_ndn;
1398                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1399                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1400                         return -1;
1401                 }
1402                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1403                 c.ldctl_iscritical = 1;
1404                 c.ldctl_value.bv_val = op->o_tmpalloc(
1405                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1406                         op->o_tmpmemctx );
1407                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1408                 ptr = c.ldctl_value.bv_val;
1409                 ptr = lutil_strcopy( ptr, "dn:" );
1410                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1411                 ptr[ 0 ] = '\0';
1412
1413 retry:
1414                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1415                 if ( rs->sr_err == LDAP_SUCCESS ) {
1416                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1417                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1418                                         &rs->sr_err );
1419                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1420                                         doretry = 0;
1421                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1422                                                 goto retry;
1423                                         }
1424                                 }
1425
1426                         } else {
1427                                 /* NOTE: are we sure "bv" will be malloc'ed
1428                                  * with the appropriate memory? */
1429                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1430                                 ldap_msgfree(res);
1431                         }
1432                 }
1433                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1434                 if ( rs->sr_err != LDAP_SUCCESS ) {
1435                         rs->sr_err = slap_map_api2result( rs );
1436                 }
1437
1438                 if ( lc != NULL ) {
1439                         ldap_back_release_conn( &op2, rs, lc );
1440                 }
1441
1442         } else {
1443                 /* else just do the same as before */
1444                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1445                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1446                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1447                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1448                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1449                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1450                                 op->o_dn.bv_len );
1451                         bv->bv_val[ bv->bv_len ] = '\0';
1452
1453                 } else {
1454                         bv->bv_len = 0;
1455                         bv->bv_val = NULL;
1456                 }
1457         }
1458
1459         rs->sr_rspdata = bv;
1460         return rs->sr_err;
1461 }
1462
1463