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

   1 /* config.c - ldap backend configuration file routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2005 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/ctype.h>
  30 #include <ac/socket.h>
  31
  32 #include "slap.h"
  33 #include "config.h"
  34 #include "back-ldap.h"
  35 #include "lutil.h"
  36 #include "ldif.h"
  37 #undef ldap_debug
  38 /* for advanced URL parsing */
  39 #include "../../../libraries/libldap/ldap-int.h"
  40
  41 static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
  42
  43 static ConfigDriver ldap_back_cf_gen;
  44
  45 enum {
  46         LDAP_BACK_CFG_URI = 1,
  47         LDAP_BACK_CFG_TLS,
  48         LDAP_BACK_CFG_ACL_AUTHCDN,
  49         LDAP_BACK_CFG_ACL_PASSWD,
  50         LDAP_BACK_CFG_ACL_METHOD,
  51         LDAP_BACK_CFG_ACL_BIND,
  52         LDAP_BACK_CFG_IDASSERT_MODE,
  53         LDAP_BACK_CFG_IDASSERT_AUTHCDN,
  54         LDAP_BACK_CFG_IDASSERT_PASSWD,
  55         LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
  56         LDAP_BACK_CFG_IDASSERT_METHOD,
  57         LDAP_BACK_CFG_IDASSERT_BIND,
  58         LDAP_BACK_CFG_REBIND,
  59         LDAP_BACK_CFG_CHASE,
  60         LDAP_BACK_CFG_T_F,
  61         LDAP_BACK_CFG_WHOAMI,
  62         LDAP_BACK_CFG_TIMEOUT,
  63         LDAP_BACK_CFG_IDLE_TIMEOUT,
  64         LDAP_BACK_CFG_REWRITE,
  65
  66         LDAP_BACK_CFG_LAST
  67 };
  68
  69 static ConfigTable ldapcfg[] = {
  70         { "uri", "uri", 2, 2, 0,
  71                 ARG_MAGIC|LDAP_BACK_CFG_URI,
  72                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  73                         "NAME 'olcDbURI' "
  74                         "DESC 'URI (list) for remote DSA' "
  75                         "SYNTAX OMsDirectoryString "
  76                         "SINGLE-VALUE )",
  77                 NULL, NULL },
  78         { "tls", "what", 2, 2, 0,
  79                 ARG_MAGIC|LDAP_BACK_CFG_TLS,
  80                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  81                         "NAME 'olcDbStartTLS' "
  82                         "DESC 'StartTLS' "
  83                         "SYNTAX OMsDirectoryString "
  84                         "SINGLE-VALUE )",
  85                 NULL, NULL },
  86         { "acl-authcDN", "DN", 2, 2, 0,
  87                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  88                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  89                         "NAME 'olcDbACLAuthcDn' "
  90                         "DESC 'Remote ACL administrative identity' "
  91                         "OBSOLETE "
  92                         "SYNTAX OMsDN "
  93                         "SINGLE-VALUE )",
  94                 NULL, NULL },
  95         /* deprecated, will be removed; aliases "acl-authcDN" */
  96         { "binddn", "DN", 2, 2, 0,
  97                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  98                 ldap_back_cf_gen, NULL, NULL, NULL },
  99         { "acl-passwd", "cred", 2, 2, 0,
 100                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 101                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
 102                         "NAME 'olcDbACLPasswd' "
 103                         "DESC 'Remote ACL administrative identity credentials' "
 104                         "OBSOLETE "
 105                         "SYNTAX OMsDirectoryString "
 106                         "SINGLE-VALUE )",
 107                 NULL, NULL },
 108         /* deprecated, will be removed; aliases "acl-passwd" */
 109         { "bindpw", "cred", 2, 2, 0,
 110                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 111                 ldap_back_cf_gen, NULL, NULL, NULL },
 112         /* deprecated, will be removed; aliases "acl-bind" */
 113         { "acl-method", "args", 2, 0, 0,
 114                 ARG_MAGIC|LDAP_BACK_CFG_ACL_METHOD,
 115                 ldap_back_cf_gen, NULL, NULL, NULL },
 116         { "acl-bind", "args", 2, 0, 0,
 117                 ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 118                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 119                         "NAME 'olcDbACLBind' "
 120                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 121                         "SYNTAX OMsDirectoryString "
 122                         "SINGLE-VALUE )",
 123                 NULL, NULL },
 124         { "idassert-authcDN", "DN", 2, 2, 0,
 125                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 126                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 127                         "NAME 'olcDbIDAssertAuthcDn' "
 128                         "DESC 'Remote Identity Assertion administrative identity' "
 129                         "OBSOLETE "
 130                         "SYNTAX OMsDN "
 131                         "SINGLE-VALUE )",
 132                 NULL, NULL },
 133         /* deprecated, will be removed; partially aliases "idassert-authcDN" */
 134         { "proxyauthzdn", "DN", 2, 2, 0,
 135                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 136                 ldap_back_cf_gen, NULL, NULL, NULL },
 137         { "idassert-passwd", "cred", 2, 2, 0,
 138                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 139                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 140                         "NAME 'olcDbIDAssertPasswd' "
 141                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 142                         "OBSOLETE "
 143                         "SYNTAX OMsDirectoryString "
 144                         "SINGLE-VALUE )",
 145                 NULL, NULL },
 146         /* deprecated, will be removed; partially aliases "idassert-passwd" */
 147         { "proxyauthzpw", "cred", 2, 2, 0,
 148                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 149                 ldap_back_cf_gen, NULL, NULL, NULL },
 150         { "idassert-bind", "args", 2, 0, 0,
 151                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 152                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 153                         "NAME 'olcDbIDAssertBind' "
 154                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 155                         "SYNTAX OMsDirectoryString "
 156                         "SINGLE-VALUE )",
 157                 NULL, NULL },
 158         { "idassert-method", "args", 2, 0, 0,
 159                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 160                 ldap_back_cf_gen, NULL, NULL, NULL },
 161         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 162                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 163                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 164                         "NAME 'olcDbIDAssertMode' "
 165                         "DESC 'Remote Identity Assertion mode' "
 166                         "OBSOLETE "
 167                         "SYNTAX OMsDirectoryString "
 168                         "SINGLE-VALUE)",
 169                 NULL, NULL },
 170         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 171                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 172                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 173                         "NAME 'olcDbIDAssertAuthzFrom' "
 174                         "DESC 'Remote Identity Assertion authz rules' "
 175                         "SYNTAX OMsDirectoryString "
 176                         "X-ORDERED 'VALUES' )",
 177                 NULL, NULL },
 178         { "rebind-as-user", "NO|yes", 1, 2, 0,
 179                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
 180                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 181                         "NAME 'olcDbRebindAsUser' "
 182                         "DESC 'Rebind as user' "
 183                         "SYNTAX OMsBoolean "
 184                         "SINGLE-VALUE )",
 185                 NULL, NULL },
 186         { "chase-referrals", "YES|no", 2, 2, 0,
 187                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
 188                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 189                         "NAME 'olcDbChaseReferrals' "
 190                         "DESC 'Chase referrals' "
 191                         "SYNTAX OMsBoolean "
 192                         "SINGLE-VALUE )",
 193                 NULL, NULL },
 194         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 195                 ARG_MAGIC|LDAP_BACK_CFG_T_F,
 196                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 197                         "NAME 'olcDbTFSupport' "
 198                         "DESC 'Absolute filters support' "
 199                         "SYNTAX OMsDirectoryString "
 200                         "SINGLE-VALUE )",
 201                 NULL, NULL },
 202         { "proxy-whoami", "NO|yes", 1, 2, 0,
 203                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
 204                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 205                         "NAME 'olcDbProxyWhoAmI' "
 206                         "DESC 'Proxy whoAmI exop' "
 207                         "SYNTAX OMsBoolean "
 208                         "SINGLE-VALUE )",
 209                 NULL, NULL },
 210         { "timeout", "timeout(list)", 2, 0, 0,
 211                 ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
 212                 ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
 213                         "NAME 'olcDbTimeout' "
 214                         "DESC 'Per-operation timeouts' "
 215                         "SYNTAX OMsDirectoryString "
 216                         "SINGLE-VALUE )",
 217                 NULL, NULL },
 218         { "idle-timeout", "timeout", 2, 0, 0,
 219                 ARG_MAGIC|LDAP_BACK_CFG_IDLE_TIMEOUT,
 220                 ldap_back_cf_gen, "( OLcfgDbAt:3.15 "
 221                         "NAME 'olcDbIdleTimeout' "
 222                         "DESC 'connection idle timeout' "
 223                         "SYNTAX OMsDirectoryString "
 224                         "SINGLE-VALUE )",
 225                 NULL, NULL },
 226         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 227                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 228                 ldap_back_cf_gen, NULL, NULL, NULL },
 229         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 230                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 231                 ldap_back_cf_gen, NULL, NULL, NULL },
 232         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 233                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 234                 ldap_back_cf_gen, NULL, NULL, NULL },
 235         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 236                 NULL, NULL, NULL, NULL }
 237 };
 238
 239 static ConfigOCs ldapocs[] = {
 240         { "( OLcfgDbOc:3.1 "
 241                 "NAME 'olcLDAPConfig' "
 242                 "DESC 'LDAP backend configuration' "
 243                 "SUP olcDatabaseConfig "
 244                 "MUST olcDbURI "
 245                 "MAY ( olcDbStartTLS "
 246                         "$ olcDbACLAuthcDn "
 247                         "$ olcDbACLPasswd "
 248                         "$ olcDbACLBind "
 249                         "$ olcDbIDAssertAuthcDn "
 250                         "$ olcDbIDAssertPasswd "
 251                         "$ olcDbIDAssertBind "
 252                         "$ olcDbIDAssertMode "
 253                         "$ olcDbIDAssertAuthzFrom "
 254                         "$ olcDbRebindAsUser "
 255                         "$ olcDbChaseReferrals "
 256                         "$ olcDbTFSupport "
 257                         "$ olcDbProxyWhoAmI "
 258                         "$ olcDbTimeout "
 259                         "$ olcDbIdleTimeout "
 260                 ") )",
 261                         Cft_Database, ldapcfg},
 262         { NULL, 0, NULL }
 263 };
 264
 265 static slap_verbmasks idassert_mode[] = {
 266         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 267         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 268         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 269         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 270         { BER_BVNULL,                   0 }
 271 };
 272
 273 static slap_verbmasks tls_mode[] = {
 274         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 275         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 276         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 277         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 278         { BER_BVC( "none" ),            LDAP_BACK_F_NONE },
 279         { BER_BVNULL,                   0 }
 280 };
 281
 282 static slap_verbmasks t_f_mode[] = {
 283         { BER_BVC( "yes" ),             LDAP_BACK_F_SUPPORT_T_F },
 284         { BER_BVC( "discover" ),        LDAP_BACK_F_SUPPORT_T_F_DISCOVER },
 285         { BER_BVC( "no" ),              LDAP_BACK_F_NONE },
 286         { BER_BVNULL,                   0 }
 287 };
 288
 289 static slap_cf_aux_table timeout_table[] = {
 290         { BER_BVC("add="), 0 * sizeof( time_t ), 'u', 0, NULL },
 291         { BER_BVC("delete="), 1 * sizeof( time_t ), 'u', 0, NULL },
 292         { BER_BVC("modify="), 2 * sizeof( time_t ), 'u', 0, NULL },
 293         { BER_BVC("modrdn="), 3 * sizeof( time_t ), 'u', 0, NULL },
 294         { BER_BVNULL, 0, 0, 0, NULL }
 295 };
 296
 297 static int
 298 ldap_back_cf_gen( ConfigArgs *c )
 299 {
 300         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 301         int             rc;
 302         int             i;
 303
 304         if ( c->op == SLAP_CONFIG_EMIT ) {
 305                 struct berval   bv = BER_BVNULL;
 306                 rc = 0;
 307
 308                 switch( c->type ) {
 309                 case LDAP_BACK_CFG_URI:
 310                         if ( li->li_uri != NULL ) {
 311                                 struct berval   bv;
 312
 313                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 314                                 value_add_one( &c->rvalue_vals, &bv );
 315
 316                         } else {
 317                                 rc = 1;
 318                         }
 319                         break;
 320
 321                 case LDAP_BACK_CFG_TLS:
 322                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 323                         assert( !BER_BVISNULL( &bv ) );
 324                         value_add_one( &c->rvalue_vals, &bv );
 325                         break;
 326
 327                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 328                 case LDAP_BACK_CFG_ACL_PASSWD:
 329                 case LDAP_BACK_CFG_ACL_METHOD:
 330                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 331                         rc = 1;
 332                         break;
 333
 334                 case LDAP_BACK_CFG_ACL_BIND: {
 335                         int     i;
 336
 337                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 338                                 return 1;
 339                         }
 340
 341                         bindconf_unparse( &li->li_acl, &bv );
 342
 343                         for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 344                                 /* count spaces */ ;
 345
 346                         if ( i ) {
 347                                 bv.bv_len -= i;
 348                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 349                                         bv.bv_len + 1 );
 350                         }
 351
 352                         ber_bvarray_add( &c->rvalue_vals, &bv );
 353                         break;
 354                 }
 355
 356                 case LDAP_BACK_CFG_IDASSERT_MODE:
 357                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 358                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 359                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 360                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 361                         rc = 1;
 362                         break;
 363
 364                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 365                         int             i;
 366
 367                         if ( li->li_idassert_authz == NULL ) {
 368                                 rc = 1;
 369                                 break;
 370                         }
 371
 372                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 373                         {
 374                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 375                         }
 376                         break;
 377                 }
 378
 379                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 380                         int             i;
 381                         struct berval   bc = BER_BVNULL;
 382                         char            *ptr;
 383
 384                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 385                                 return 1;
 386                         }
 387
 388                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 389                                 ber_len_t       len;
 390
 391                                 switch ( li->li_idassert_mode ) {
 392                                 case LDAP_BACK_IDASSERT_OTHERID:
 393                                 case LDAP_BACK_IDASSERT_OTHERDN:
 394                                         break;
 395
 396                                 default: {
 397                                         struct berval   mode = BER_BVNULL;
 398
 399                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 400                                         if ( BER_BVISNULL( &mode ) ) {
 401                                                 /* there's something wrong... */
 402                                                 assert( 0 );
 403                                                 rc = 1;
 404
 405                                         } else {
 406                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 407                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 408
 409                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 410                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 411                                         }
 412                                         break;
 413                                 }
 414                                 }
 415
 416                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 417                                         len = bv.bv_len + STRLENOF( "authz=native" );
 418
 419                                         if ( !BER_BVISEMPTY( &bv ) ) {
 420                                                 len += STRLENOF( " " );
 421                                         }
 422
 423                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 424
 425                                         ptr = &bv.bv_val[ bv.bv_len ];
 426
 427                                         if ( !BER_BVISEMPTY( &bv ) ) {
 428                                                 ptr = lutil_strcopy( ptr, " " );
 429                                         }
 430
 431                                         (void)lutil_strcopy( ptr, "authz=native" );
 432                                 }
 433
 434                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override" );
 435                                 /* flags */
 436                                 if ( !BER_BVISEMPTY( &bv ) ) {
 437                                         len += STRLENOF( " " );
 438                                 }
 439
 440                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 441
 442                                 ptr = &bv.bv_val[ bv.bv_len ];
 443
 444                                 if ( !BER_BVISEMPTY( &bv ) ) {
 445                                         ptr = lutil_strcopy( ptr, " " );
 446                                 }
 447
 448                                 ptr = lutil_strcopy( ptr, "flags=" );
 449
 450                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 451                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 452                                 } else {
 453                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 454                                 }
 455
 456                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 457                                         ptr = lutil_strcopy( ptr, ",override" );
 458                                 }
 459
 460                                 bv.bv_len = ( ptr - bv.bv_val );
 461                                 /* end-of-flags */
 462                         }
 463
 464                         bindconf_unparse( &li->li_idassert, &bc );
 465
 466                         if ( !BER_BVISNULL( &bv ) ) {
 467                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 468
 469                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 470
 471                                 assert( bc.bv_val[ 0 ] == ' ' );
 472
 473                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 474                                 free( bc.bv_val );
 475                                 bv.bv_len = ptr - bv.bv_val;
 476
 477                         } else {
 478                                 for ( i = 0; isspace( bc.bv_val[ i ] ); i++ )
 479                                         /* count spaces */ ;
 480
 481                                 if ( i ) {
 482                                         bc.bv_len -= i;
 483                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 484                                 }
 485
 486                                 bv = bc;
 487                         }
 488
 489                         ber_bvarray_add( &c->rvalue_vals, &bv );
 490
 491                         break;
 492                 }
 493
 494                 case LDAP_BACK_CFG_REBIND:
 495                         c->value_int = LDAP_BACK_SAVECRED( li );
 496                         break;
 497
 498                 case LDAP_BACK_CFG_CHASE:
 499                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 500                         break;
 501
 502                 case LDAP_BACK_CFG_T_F:
 503                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_SUPPORT_T_F_MASK), &bv );
 504                         if ( BER_BVISNULL( &bv ) ) {
 505                                 /* there's something wrong... */
 506                                 assert( 0 );
 507                                 rc = 1;
 508
 509                         } else {
 510                                 value_add_one( &c->rvalue_vals, &bv );
 511                         }
 512                         break;
 513
 514                 case LDAP_BACK_CFG_WHOAMI:
 515                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 516                         break;
 517
 518                 case LDAP_BACK_CFG_TIMEOUT:
 519                         BER_BVZERO( &bv );
 520
 521                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 522                                 if ( li->li_timeout[ i ] != 0 ) {
 523                                         break;
 524                                 }
 525                         }
 526
 527                         if ( i == LDAP_BACK_OP_LAST ) {
 528                                 return 1;
 529                         }
 530
 531                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 532
 533                         if ( BER_BVISNULL( &bv ) ) {
 534                                 return 1;
 535                         }
 536
 537                         for ( i = 0; isspace( bv.bv_val[ i ] ); i++ )
 538                                 /* count spaces */ ;
 539
 540                         if ( i ) {
 541                                 bv.bv_len -= i;
 542                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 543                                         bv.bv_len + 1 );
 544                         }
 545
 546                         ber_bvarray_add( &c->rvalue_vals, &bv );
 547                         break;
 548
 549                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 550                         char    buf[ SLAP_TEXT_BUFLEN ];
 551
 552                         if ( li->li_idle_timeout == 0 ) {
 553                                 return 1;
 554                         }
 555
 556                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 557                         ber_str2bv( buf, 0, 0, &bv );
 558                         value_add_one( &c->rvalue_vals, &bv );
 559                         } break;
 560
 561                 default:
 562                         /* FIXME: we need to handle all... */
 563                         assert( 0 );
 564                         break;
 565                 }
 566                 return rc;
 567
 568         } else if ( c->op == LDAP_MOD_DELETE ) {
 569                 rc = 0;
 570                 switch( c->type ) {
 571                 case LDAP_BACK_CFG_URI:
 572                         if ( li->li_uri != NULL ) {
 573                                 ch_free( li->li_uri );
 574                                 li->li_uri = NULL;
 575
 576                                 assert( li->li_bvuri != NULL );
 577                                 ber_bvarray_free( li->li_bvuri );
 578                                 li->li_bvuri = NULL;
 579                         }
 580
 581                         /* better cleanup the cached connections... */
 582                         /* NOTE: don't worry about locking: if we got here,
 583                          * other threads are suspended. */
 584                         if ( li->li_conninfo.lai_tree != NULL ) {
 585                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 586                                 li->li_conninfo.lai_tree = NULL;
 587                         }
 588
 589                         break;
 590
 591                 case LDAP_BACK_CFG_TLS:
 592                         rc = 1;
 593                         break;
 594
 595                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 596                 case LDAP_BACK_CFG_ACL_PASSWD:
 597                 case LDAP_BACK_CFG_ACL_METHOD:
 598                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 599                         rc = 1;
 600                         break;
 601
 602                 case LDAP_BACK_CFG_ACL_BIND:
 603                         bindconf_free( &li->li_acl );
 604                         break;
 605
 606                 case LDAP_BACK_CFG_IDASSERT_MODE:
 607                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 608                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 609                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 610                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 611                         rc = 1;
 612                         break;
 613
 614                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 615                         if ( li->li_idassert_authz != NULL ) {
 616                                 ber_bvarray_free( li->li_idassert_authz );
 617                                 li->li_idassert_authz = NULL;
 618                         }
 619                         break;
 620
 621                 case LDAP_BACK_CFG_IDASSERT_BIND:
 622                         bindconf_free( &li->li_idassert );
 623                         break;
 624
 625                 case LDAP_BACK_CFG_REBIND:
 626                 case LDAP_BACK_CFG_CHASE:
 627                 case LDAP_BACK_CFG_T_F:
 628                 case LDAP_BACK_CFG_WHOAMI:
 629                         rc = 1;
 630                         break;
 631
 632                 case LDAP_BACK_CFG_TIMEOUT:
 633                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 634                                 li->li_timeout[ i ] = 0;
 635                         }
 636                         break;
 637
 638                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
 639                         li->li_idle_timeout = 0;
 640                         break;
 641
 642                 default:
 643                         /* FIXME: we need to handle all... */
 644                         assert( 0 );
 645                         break;
 646                 }
 647                 return rc;
 648
 649         }
 650
 651         switch( c->type ) {
 652         case LDAP_BACK_CFG_URI: {
 653                 LDAPURLDesc     *tmpludp, *lud;
 654                 char            **urllist = NULL;
 655                 int             urlrc = LDAP_URL_SUCCESS, i;
 656
 657                 if ( li->li_uri != NULL ) {
 658                         ch_free( li->li_uri );
 659                         li->li_uri = NULL;
 660
 661                         assert( li->li_bvuri != NULL );
 662                         ber_bvarray_free( li->li_bvuri );
 663                         li->li_bvuri = NULL;
 664                 }
 665
 666                 /* PARANOID: DN and more are not required nor allowed */
 667                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t" );
 668                 if ( urlrc != LDAP_URL_SUCCESS ) {
 669                         char    *why;
 670
 671                         switch ( urlrc ) {
 672                         case LDAP_URL_ERR_MEM:
 673                                 why = "no memory";
 674                                 break;
 675                         case LDAP_URL_ERR_PARAM:
 676                                 why = "parameter is bad";
 677                                 break;
 678                         case LDAP_URL_ERR_BADSCHEME:
 679                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 680                                 break;
 681                         case LDAP_URL_ERR_BADENCLOSURE:
 682                                 why = "URL is missing trailing \">\"";
 683                                 break;
 684                         case LDAP_URL_ERR_BADURL:
 685                                 why = "URL is bad";
 686                                 break;
 687                         case LDAP_URL_ERR_BADHOST:
 688                                 why = "host/port is bad";
 689                                 break;
 690                         case LDAP_URL_ERR_BADATTRS:
 691                                 why = "bad (or missing) attributes";
 692                                 break;
 693                         case LDAP_URL_ERR_BADSCOPE:
 694                                 why = "scope string is invalid (or missing)";
 695                                 break;
 696                         case LDAP_URL_ERR_BADFILTER:
 697                                 why = "bad or missing filter";
 698                                 break;
 699                         case LDAP_URL_ERR_BADEXTS:
 700                                 why = "bad or missing extensions";
 701                                 break;
 702                         default:
 703                                 why = "unknown reason";
 704                                 break;
 705                         }
 706                         snprintf( c->msg, sizeof( c->msg),
 707                                         "unable to parse uri \"%s\" "
 708                                         "in \"uri <uri>\" line: %s",
 709                                         c->value_string, why );
 710                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 711                         urlrc = 1;
 712                         goto done_url;
 713                 }
 714
 715                 for ( i = 0, tmpludp = lud;
 716                                 tmpludp;
 717                                 i++, tmpludp = tmpludp->lud_next )
 718                 {
 719                         if ( ( tmpludp->lud_dn != NULL
 720                                                 && tmpludp->lud_dn[0] != '\0' )
 721                                         || tmpludp->lud_attrs != NULL
 722                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 723                                         || tmpludp->lud_filter != NULL
 724                                         || tmpludp->lud_exts != NULL )
 725                         {
 726                                 snprintf( c->msg, sizeof( c->msg ),
 727                                                 "warning, only protocol, "
 728                                                 "host and port allowed "
 729                                                 "in \"uri <uri>\" statement "
 730                                                 "for uri #%d of \"%s\"",
 731                                                 i, c->value_string );
 732                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 733                         }
 734                 }
 735
 736                 for ( i = 0, tmpludp = lud;
 737                                 tmpludp;
 738                                 i++, tmpludp = tmpludp->lud_next )
 739                         /* just count */
 740                         ;
 741                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 742
 743                 for ( i = 0, tmpludp = lud;
 744                                 tmpludp;
 745                                 i++, tmpludp = tmpludp->lud_next )
 746                 {
 747                         LDAPURLDesc     tmplud;
 748
 749                         tmplud = *tmpludp;
 750                         tmplud.lud_dn = "";
 751                         tmplud.lud_attrs = NULL;
 752                         tmplud.lud_filter = NULL;
 753                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 754                                 tmplud.lud_exts = NULL;
 755                                 tmplud.lud_crit_exts = 0;
 756                         }
 757
 758                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 759
 760                         if ( urllist[ i ] == NULL ) {
 761                                 snprintf( c->msg, sizeof( c->msg),
 762                                         "unable to rebuild uri "
 763                                         "in \"uri <uri>\" statement "
 764                                         "for \"%s\"",
 765                                         c->argv[ 1 ] );
 766                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 767                                 urlrc = 1;
 768                                 goto done_url;
 769                         }
 770                 }
 771
 772                 li->li_uri = ldap_charray2str( urllist, " " );
 773                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 774                         struct berval   bv;
 775
 776                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 777                         ber_bvarray_add( &li->li_bvuri, &bv );
 778                         urllist[ i ] = NULL;
 779                 }
 780                 ldap_memfree( urllist );
 781                 urllist = NULL;
 782
 783 done_url:;
 784                 if ( urllist ) {
 785                         ldap_charray_free( urllist );
 786                 }
 787                 if ( lud ) {
 788                         ldap_free_urllist( lud );
 789                 }
 790                 if ( urlrc != LDAP_URL_SUCCESS ) {
 791                         return 1;
 792                 }
 793                 break;
 794         }
 795
 796         case LDAP_BACK_CFG_TLS:
 797                 i = verb_to_mask( c->argv[1], tls_mode );
 798                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 799                         return 1;
 800                 }
 801                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 802                 li->li_flags |= tls_mode[i].mask;
 803                 break;
 804
 805         case LDAP_BACK_CFG_ACL_AUTHCDN:
 806                 switch ( li->li_acl_authmethod ) {
 807                 case LDAP_AUTH_NONE:
 808                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 809                         break;
 810
 811                 case LDAP_AUTH_SIMPLE:
 812                         break;
 813
 814                 default:
 815                         snprintf( c->msg, sizeof( c->msg),
 816                                 "\"acl-authcDN <DN>\" incompatible "
 817                                 "with auth method %d",
 818                                 li->li_acl_authmethod );
 819                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 820                         return 1;
 821                 }
 822                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 823                         free( li->li_acl_authcDN.bv_val );
 824                 }
 825                 ber_memfree_x( c->value_dn.bv_val, NULL );
 826                 li->li_acl_authcDN = c->value_ndn;
 827                 BER_BVZERO( &c->value_dn );
 828                 BER_BVZERO( &c->value_ndn );
 829                 break;
 830
 831         case LDAP_BACK_CFG_ACL_PASSWD:
 832                 switch ( li->li_acl_authmethod ) {
 833                 case LDAP_AUTH_NONE:
 834                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 835                         break;
 836
 837                 case LDAP_AUTH_SIMPLE:
 838                         break;
 839
 840                 default:
 841                         snprintf( c->msg, sizeof( c->msg ),
 842                                 "\"acl-passwd <cred>\" incompatible "
 843                                 "with auth method %d",
 844                                 li->li_acl_authmethod );
 845                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 846                         return 1;
 847                 }
 848                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
 849                         free( li->li_acl_passwd.bv_val );
 850                 }
 851                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 852                 break;
 853
 854         case LDAP_BACK_CFG_ACL_METHOD:
 855         case LDAP_BACK_CFG_ACL_BIND:
 856                 for ( i = 1; i < c->argc; i++ ) {
 857                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 858                                 return 1;
 859                         }
 860                 }
 861                 break;
 862
 863         case LDAP_BACK_CFG_IDASSERT_MODE:
 864                 i = verb_to_mask( c->argv[1], idassert_mode );
 865                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 866                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 867                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 868                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
 869                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
 870
 871                         } else {
 872                                 struct berval   id, ndn;
 873
 874                                 ber_str2bv( c->argv[1], 0, 0, &id );
 875
 876                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 877                                         id.bv_val += STRLENOF( "dn:" );
 878                                         id.bv_len -= STRLENOF( "dn:" );
 879                                 }
 880
 881                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 882                                 if ( rc != LDAP_SUCCESS ) {
 883                                         Debug( LDAP_DEBUG_ANY,
 884                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 885                                                 c->fname, c->lineno, c->argv[1] );
 886                                         return 1;
 887                                 }
 888
 889                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 890                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
 891                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 892                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 893                                 ch_free( ndn.bv_val );
 894
 895                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 896                         }
 897
 898                 } else {
 899                         li->li_idassert_mode = idassert_mode[i].mask;
 900                 }
 901
 902                 if ( c->argc > 2 ) {
 903                         int     i;
 904
 905                         for ( i = 2; i < c->argc; i++ ) {
 906                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 907                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 908
 909                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 910                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 911
 912                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 913                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 914
 915                                 } else {
 916                                         Debug( LDAP_DEBUG_ANY,
 917                                                 "%s: line %d: unknown flag #%d "
 918                                                 "in \"idassert-mode <args> "
 919                                                 "[<flags>]\" line.\n",
 920                                                 c->fname, c->lineno, i - 2 );
 921                                         return 1;
 922                                 }
 923                         }
 924                 }
 925                 break;
 926
 927         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 928                 switch ( li->li_idassert_authmethod ) {
 929                 case LDAP_AUTH_NONE:
 930                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 931                         break;
 932
 933                 case LDAP_AUTH_SIMPLE:
 934                         break;
 935
 936                 default:
 937                         snprintf( c->msg, sizeof( c->msg ),
 938                                 "\"idassert-authcDN <DN>\" incompatible "
 939                                 "with auth method %d",
 940                                 li->li_idassert_authmethod );
 941                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 942                         return 1;
 943                 }
 944                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
 945                         free( li->li_idassert_authcDN.bv_val );
 946                 }
 947                 ber_memfree_x( c->value_dn.bv_val, NULL );
 948                 li->li_idassert_authcDN = c->value_ndn;
 949                 BER_BVZERO( &c->value_dn );
 950                 BER_BVZERO( &c->value_ndn );
 951                 break;
 952
 953         case LDAP_BACK_CFG_IDASSERT_PASSWD:
 954                 switch ( li->li_idassert_authmethod ) {
 955                 case LDAP_AUTH_NONE:
 956                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
 957                         break;
 958
 959                 case LDAP_AUTH_SIMPLE:
 960                         break;
 961
 962                 default:
 963                         snprintf( c->msg, sizeof( c->msg ),
 964                                 "\"idassert-passwd <cred>\" incompatible "
 965                                 "with auth method %d",
 966                                 li->li_idassert_authmethod );
 967                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 968                         return 1;
 969                 }
 970                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
 971                         free( li->li_idassert_passwd.bv_val );
 972                 }
 973                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
 974                 break;
 975
 976         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 977                 struct berval   bv;
 978 #ifdef SLAP_AUTHZ_SYNTAX
 979                 struct berval   in;
 980                 int             rc;
 981
 982                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
 983                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
 984                 if ( rc != LDAP_SUCCESS ) {
 985                         snprintf( c->msg, sizeof( c->msg ),
 986                                 "\"idassert-authzFrom <authz>\": "
 987                                 "invalid syntax" );
 988                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 989                         return 1;
 990                 }
 991 #else /* !SLAP_AUTHZ_SYNTAX */
 992                 ber_str2bv( c->argv[ 1 ], 0, 1, &bv );
 993 #endif /* !SLAP_AUTHZ_SYNTAX */
 994                 ber_bvarray_add( &li->li_idassert_authz, &bv );
 995                 } break;
 996
 997         case LDAP_BACK_CFG_IDASSERT_METHOD:
 998                 /* no longer supported */
 999                 snprintf( c->msg, sizeof( c->msg ),
1000                         "\"idassert-method <args>\": "
1001                         "no longer supported; use \"idassert-bind\"" );
1002                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1003                 return 1;
1004
1005         case LDAP_BACK_CFG_IDASSERT_BIND:
1006                 for ( i = 1; i < c->argc; i++ ) {
1007                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
1008                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
1009                                 int     j;
1010
1011                                 j = verb_to_mask( argvi, idassert_mode );
1012                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
1013                                         snprintf( c->msg, sizeof( c->msg ),
1014                                                 "\"idassert-bind <args>\": "
1015                                                 "unknown mode \"%s\"",
1016                                                 argvi );
1017                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1018                                         return 1;
1019                                 }
1020
1021                                 li->li_idassert_mode = idassert_mode[ j ].mask;
1022
1023                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1024                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
1025
1026                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
1027                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
1028                                                 snprintf( c->msg, sizeof( c->msg ),
1029                                                         "\"idassert-bind <args>\": "
1030                                                         "authz=\"native\" incompatible "
1031                                                         "with auth method" );
1032                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1033                                                 return 1;
1034                                         }
1035                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1036
1037                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
1038                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1039
1040                                 } else {
1041                                         snprintf( c->msg, sizeof( c->msg ),
1042                                                 "\"idassert-bind <args>\": "
1043                                                 "unknown authz \"%s\"",
1044                                                 argvi );
1045                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1046                                         return 1;
1047                                 }
1048
1049                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1050                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1051                                 char    **flags = ldap_str2charray( argvi, "," );
1052                                 int     j;
1053
1054                                 if ( flags == NULL ) {
1055                                         snprintf( c->msg, sizeof( c->msg ),
1056                                                 "\"idassert-bind <args>\": "
1057                                                 "unable to parse flags \"%s\"",
1058                                                 argvi );
1059                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1060                                         return 1;
1061                                 }
1062
1063                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1064                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1065                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1066
1067                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1068                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1069
1070                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1071                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1072
1073                                         } else {
1074                                                 snprintf( c->msg, sizeof( c->msg ),
1075                                                         "\"idassert-bind <args>\": "
1076                                                         "unknown flag \"%s\"",
1077                                                         c->fname, c->lineno, flags[ j ] );
1078                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1079                                                 return 1;
1080                                         }
1081                                 }
1082
1083                                 ldap_charray_free( flags );
1084
1085                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1086                                 return 1;
1087                         }
1088                 }
1089                 break;
1090
1091         case LDAP_BACK_CFG_REBIND:
1092                 if ( c->argc == 1 || c->value_int ) {
1093                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1094
1095                 } else {
1096                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1097                 }
1098                 break;
1099
1100         case LDAP_BACK_CFG_CHASE:
1101                 if ( c->argc == 1 || c->value_int ) {
1102                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1103
1104                 } else {
1105                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1106                 }
1107                 break;
1108
1109         case LDAP_BACK_CFG_T_F:
1110                 i = verb_to_mask( c->argv[1], t_f_mode );
1111                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1112                         return 1;
1113                 }
1114                 li->li_flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1115                 li->li_flags |= t_f_mode[i].mask;
1116                 break;
1117
1118         case LDAP_BACK_CFG_WHOAMI:
1119                 if ( c->argc == 1 || c->value_int ) {
1120                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1121                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1122                                         0, ldap_back_exop_whoami );
1123
1124                 } else {
1125                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1126                 }
1127                 break;
1128
1129         case LDAP_BACK_CFG_TIMEOUT:
1130                 for ( i = 1; i < c->argc; i++ ) {
1131                         if ( isdigit( c->argv[ i ][ 0 ] ) ) {
1132                                 int             j;
1133                                 unsigned        u;
1134
1135                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1136                                         return 1;
1137                                 }
1138
1139                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1140                                         li->li_timeout[ j ] = u;
1141                                 }
1142
1143                                 continue;
1144                         }
1145
1146                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1147                                 return 1;
1148                         }
1149                 }
1150                 break;
1151
1152         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1153                 unsigned long   t;
1154
1155                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1156                         snprintf( c->msg, sizeof( c->msg),
1157                                 "unable to parse idle timeout \"%s\"",
1158                                 c->argv[ 1 ] );
1159                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1160                         return 1;
1161                 }
1162                 li->li_idle_timeout = (time_t)t;
1163                 } break;
1164
1165         case LDAP_BACK_CFG_REWRITE:
1166                 snprintf( c->msg, sizeof( c->msg ),
1167                         "rewrite/remap capabilities have been moved "
1168                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1169                         "for details (hint: add \"overlay rwm\" "
1170                         "and prefix all directives with \"rwm-\")" );
1171                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1172                 return 1;
1173
1174         default:
1175                 /* FIXME: try to catch inconsistencies */
1176                 assert( 0 );
1177                 break;
1178         }
1179
1180         return 0;
1181 }
1182
1183 int
1184 ldap_back_init_cf( BackendInfo *bi )
1185 {
1186         int                     rc;
1187         AttributeDescription    *ad = NULL;
1188         const char              *text;
1189
1190         /* Make sure we don't exceed the bits reserved for userland */
1191         config_check_userland( LDAP_BACK_CFG_LAST );
1192
1193         bi->bi_cf_ocs = ldapocs;
1194
1195         rc = config_register_schema( ldapcfg, ldapocs );
1196         if ( rc ) {
1197                 return rc;
1198         }
1199
1200         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1201          * to be base64-encoded when written in LDIF form;
1202          * basically, we don't care if it fails */
1203         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1204         if ( rc ) {
1205                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1206                         "warning, unable to get \"olcDbACLPasswd\" "
1207                         "attribute description: %d: %s\n",
1208                         rc, text, 0 );
1209         } else {
1210                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1211                         ad->ad_type->sat_oid );
1212         }
1213
1214         ad = NULL;
1215         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1216         if ( rc ) {
1217                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1218                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1219                         "attribute description: %d: %s\n",
1220                         rc, text, 0 );
1221         } else {
1222                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1223                         ad->ad_type->sat_oid );
1224         }
1225
1226         return 0;
1227 }
1228
1229
1230 static int
1231 ldap_back_exop_whoami(
1232                 Operation       *op,
1233                 SlapReply       *rs )
1234 {
1235         struct berval *bv = NULL;
1236
1237         if ( op->oq_extended.rs_reqdata != NULL ) {
1238                 /* no request data should be provided */
1239                 rs->sr_text = "no request data expected";
1240                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1241         }
1242
1243         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1244             op->o_log_prefix, 0, 0, 0, 0 );
1245
1246         rs->sr_err = backend_check_restrictions( op, rs,
1247                         (struct berval *)&slap_EXOP_WHOAMI );
1248         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1249
1250         /* if auth'd by back-ldap and request is proxied, forward it */
1251         if ( op->o_conn->c_authz_backend
1252                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1253                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1254         {
1255                 ldapconn_t      *lc;
1256                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1257                 LDAPMessage *res;
1258                 Operation op2 = *op;
1259                 ber_int_t msgid;
1260                 int doretry = 1;
1261                 char *ptr;
1262
1263                 ctrls[0] = &c;
1264                 op2.o_ndn = op->o_conn->c_ndn;
1265                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1266                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1267                         return -1;
1268                 }
1269                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1270                 c.ldctl_iscritical = 1;
1271                 c.ldctl_value.bv_val = op->o_tmpalloc(
1272                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1273                         op->o_tmpmemctx );
1274                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1275                 ptr = c.ldctl_value.bv_val;
1276                 ptr = lutil_strcopy( ptr, "dn:" );
1277                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1278                 ptr[ 0 ] = '\0';
1279
1280 retry:
1281                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1282                 if ( rs->sr_err == LDAP_SUCCESS ) {
1283                         if ( ldap_result( lc->lc_ld, msgid, 1, NULL, &res ) == -1 ) {
1284                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1285                                         &rs->sr_err );
1286                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1287                                         doretry = 0;
1288                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1289                                                 goto retry;
1290                                         }
1291                                 }
1292
1293                         } else {
1294                                 /* NOTE: are we sure "bv" will be malloc'ed
1295                                  * with the appropriate memory? */
1296                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1297                                 ldap_msgfree(res);
1298                         }
1299                 }
1300                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1301                 if ( rs->sr_err != LDAP_SUCCESS ) {
1302                         rs->sr_err = slap_map_api2result( rs );
1303                 }
1304
1305                 if ( lc != NULL ) {
1306                         ldap_back_release_conn( &op2, rs, lc );
1307                 }
1308
1309         } else {
1310                 /* else just do the same as before */
1311                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1312                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1313                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1314                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1315                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1316                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1317                                 op->o_dn.bv_len );
1318                         bv->bv_val[ bv->bv_len ] = '\0';
1319
1320                 } else {
1321                         bv->bv_len = 0;
1322                         bv->bv_val = NULL;
1323                 }
1324         }
1325
1326         rs->sr_rspdata = bv;
1327         return rs->sr_err;
1328 }
1329
1330