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_REWRITE
  63 };
  64
  65 static ConfigTable ldapcfg[] = {
  66         { "uri", "uri", 2, 2, 0,
  67                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_URI,
  68                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  69                         "NAME 'olcDbURI' "
  70                         "DESC 'URI (list) for remote DSA' "
  71                         "SYNTAX OMsDirectoryString "
  72                         "SINGLE-VALUE )",
  73                 NULL, NULL },
  74         { "tls", "what", 2, 2, 0,
  75                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_TLS,
  76                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  77                         "NAME 'olcDbStartTLS' "
  78                         "DESC 'StartTLS' "
  79                         "SYNTAX OMsDirectoryString "
  80                         "SINGLE-VALUE )",
  81                 NULL, NULL },
  82         { "acl-authcDN", "DN", 2, 2, 0,
  83                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  84                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  85                         "NAME 'olcDbACLAuthcDn' "
  86                         "DESC 'Remote ACL administrative identity' "
  87                         "OBSOLETE "
  88                         "SYNTAX OMsDN "
  89                         "SINGLE-VALUE )",
  90                 NULL, NULL },
  91         /* deprecated; aliases "acl-authcDN" */
  92         { "binddn", "DN", 2, 2, 0,
  93                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  94                 ldap_back_cf_gen, NULL, NULL, NULL },
  95         { "acl-passwd", "cred", 2, 2, 0,
  96                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
  97                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
  98                         "NAME 'olcDbACLPasswd' "
  99                         "DESC 'Remote ACL administrative identity credentials' "
 100                         "OBSOLETE "
 101                         "SYNTAX OMsDirectoryString "
 102                         "SINGLE-VALUE )",
 103                 NULL, NULL },
 104         /* deprecated; aliases "acl-passwd" */
 105         { "bindpw", "cred", 2, 2, 0,
 106                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 107                 ldap_back_cf_gen, NULL, NULL, NULL },
 108         { "acl-bind", "args", 2, 0, 0,
 109                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 110                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 111                         "NAME 'olcDbACLBind' "
 112                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 113                         "SYNTAX OMsDirectoryString "
 114                         "SINGLE-VALUE )",
 115                 NULL, NULL },
 116         /* deprecated; aliases "acl-bind" */
 117         { "acl-method", "args", 2, 0, 0,
 118                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 119                 ldap_back_cf_gen, NULL, NULL, NULL },
 120         { "idassert-authcDN", "DN", 2, 2, 0,
 121                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 122                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 123                         "NAME 'olcDbIDAssertAuthcDn' "
 124                         "DESC 'Remote Identity Assertion administrative identity' "
 125                         "OBSOLETE "
 126                         "SYNTAX OMsDN "
 127                         "SINGLE-VALUE )",
 128                 NULL, NULL },
 129         /* deprecated; partially aliases "idassert-authcDN" */
 130         { "proxyauthzdn", "DN", 2, 2, 0,
 131                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 132                 ldap_back_cf_gen, NULL, NULL, NULL },
 133         { "idassert-passwd", "cred", 2, 2, 0,
 134                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 135                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 136                         "NAME 'olcDbIDAssertPasswd' "
 137                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 138                         "OBSOLETE "
 139                         "SYNTAX OMsDirectoryString "
 140                         "SINGLE-VALUE )",
 141                 NULL, NULL },
 142         /* deprecated; partially aliases "idassert-passwd" */
 143         { "proxyauthzpw", "cred", 2, 2, 0,
 144                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 145                 ldap_back_cf_gen, NULL, NULL, NULL },
 146         { "idassert-bind", "args", 2, 0, 0,
 147                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 148                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 149                         "NAME 'olcDbIDAssertBind' "
 150                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 151                         "SYNTAX OMsDirectoryString "
 152                         "SINGLE-VALUE )",
 153                 NULL, NULL },
 154         { "idassert-method", "args", 2, 0, 0,
 155                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 156                 ldap_back_cf_gen, NULL, NULL, NULL },
 157         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 158                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 159                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 160                         "NAME 'olcDbIDAssertMode' "
 161                         "DESC 'Remote Identity Assertion mode' "
 162                         "OBSOLETE "
 163                         "SYNTAX OMsDirectoryString "
 164                         "SINGLE-VALUE)",
 165                 NULL, NULL },
 166         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 167                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 168                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 169                         "NAME 'olcDbIDAssertAuthzFrom' "
 170                         "DESC 'Remote Identity Assertion authz rules' "
 171                         "SYNTAX OMsDirectoryString "
 172                         "X-ORDERED 'VALUES' )",
 173                 NULL, NULL },
 174         { "rebind-as-user", "NO|yes", 1, 2, 0,
 175                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_REBIND,
 176                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 177                         "NAME 'olcDbRebindAsUser' "
 178                         "DESC 'Rebind as user' "
 179                         "SYNTAX OMsDirectoryString "
 180                         "SINGLE-VALUE )",
 181                 NULL, NULL },
 182         { "chase-referrals", "YES|no", 2, 2, 0,
 183                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_CHASE,
 184                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 185                         "NAME 'olcDbChaseReferrals' "
 186                         "DESC 'Chase referrals' "
 187                         "SYNTAX OMsDirectoryString "
 188                         "SINGLE-VALUE )",
 189                 NULL, NULL },
 190         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 191                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_T_F,
 192                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 193                         "NAME 'olcDbTFSupport' "
 194                         "DESC 'Absolute filters support' "
 195                         "SYNTAX OMsDirectoryString "
 196                         "SINGLE-VALUE )",
 197                 NULL, NULL },
 198         { "proxy-whoami", "NO|yes", 1, 2, 0,
 199                 ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_WHOAMI,
 200                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 201                         "NAME 'olcDbProxyWhoAmI' "
 202                         "DESC 'Proxy whoAmI exop' "
 203                         "SYNTAX OMsDirectoryString "
 204                         "SINGLE-VALUE )",
 205                 NULL, NULL },
 206         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 207                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 208                 ldap_back_cf_gen, NULL, NULL, NULL },
 209         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 210                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 211                 ldap_back_cf_gen, NULL, NULL, NULL },
 212         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 213                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 214                 ldap_back_cf_gen, NULL, NULL, NULL },
 215         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 216                 NULL, NULL, NULL, NULL }
 217 };
 218
 219 static ConfigOCs ldapocs[] = {
 220         { "( OLcfgDbOc:3.1 "
 221                 "NAME 'olcLDAPConfig' "
 222                 "DESC 'LDAP backend configuration' "
 223                 "SUP olcDatabaseConfig "
 224                 "MUST olcDbURI "
 225                 "MAY ( olcDbStartTLS "
 226                         "$ olcDbACLAuthcDn "
 227                         "$ olcDbACLPasswd "
 228                         "$ olcDbACLBind "
 229                         "$ olcDbIDAssertAuthcDn "
 230                         "$ olcDbIDAssertPasswd "
 231                         "$ olcDbIDAssertBind "
 232                         "$ olcDbIDAssertMode "
 233                         "$ olcDbIDAssertAuthzFrom "
 234                         "$ olcDbRebindAsUser "
 235                         "$ olcDbChaseReferrals "
 236                         "$ olcDbTFSupport "
 237                         "$ olcDbProxyWhoAmI "
 238                 ") )",
 239                         Cft_Database, ldapcfg},
 240         { NULL, 0, NULL }
 241 };
 242
 243 #define LDAP_BACK_C_NO                  (0x0U)
 244 #define LDAP_BACK_C_YES                 (0x1U)
 245 static slap_verbmasks yn_mode[] = {
 246         { BER_BVC( "yes" ),             LDAP_BACK_C_YES},
 247         { BER_BVC( "no" ),              LDAP_BACK_C_NO },
 248         { BER_BVNULL,                   0 }
 249 };
 250
 251 static slap_verbmasks idassert_mode[] = {
 252         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 253         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 254         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 255         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 256         { BER_BVNULL,                   0 }
 257 };
 258
 259 static slap_verbmasks tls_mode[] = {
 260         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 261         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 262         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 263         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 264         { BER_BVC( "none" ),            LDAP_BACK_C_NO },
 265         { BER_BVNULL,                   0 }
 266 };
 267
 268 static slap_verbmasks t_f_mode[] = {
 269         { BER_BVC( "yes" ),             LDAP_BACK_F_SUPPORT_T_F },
 270         { BER_BVC( "discover" ),        LDAP_BACK_F_SUPPORT_T_F_DISCOVER },
 271         { BER_BVC( "no" ),              LDAP_BACK_C_NO },
 272         { BER_BVNULL,                   0 }
 273 };
 274
 275 static int
 276 ldap_back_cf_gen( ConfigArgs *c )
 277 {
 278         struct ldapinfo *li = ( struct ldapinfo * )c->be->be_private;
 279         int             rc;
 280         int             i;
 281
 282         if ( c->op == SLAP_CONFIG_EMIT ) {
 283                 struct berval   bv = BER_BVNULL;
 284                 rc = 0;
 285
 286                 switch( c->type ) {
 287                 case LDAP_BACK_CFG_URI:
 288                         if ( li->url != NULL ) {
 289                                 c->value_string = ch_strdup( li->url );
 290
 291                         } else {
 292                                 rc = 1;
 293                         }
 294                         break;
 295
 296                 case LDAP_BACK_CFG_TLS:
 297                         enum_to_verb( tls_mode, ( li->flags & LDAP_BACK_F_TLS_MASK ), &bv );
 298                         if ( BER_BVISNULL( &bv ) ) {
 299                                 /* there's something wrong... */
 300                                 assert( 0 );
 301                                 rc = 1;
 302
 303                         } else {
 304                                 ber_dupbv( &c->value_bv, &bv );
 305                         }
 306                         break;
 307
 308                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 309                 case LDAP_BACK_CFG_ACL_PASSWD:
 310                 case LDAP_BACK_CFG_ACL_METHOD:
 311                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 312                         rc = 1;
 313                         break;
 314
 315                 case LDAP_BACK_CFG_ACL_BIND: {
 316                         int     i;
 317
 318                         bindconf_unparse( &li->acl_sb, &c->value_bv );
 319
 320                         for ( i = 0; isspace( c->value_bv.bv_val[ i ] ); i++ )
 321                                 /* count spaces */ ;
 322
 323                         if ( i ) {
 324                                 c->value_bv.bv_len -= i;
 325                                 AC_MEMCPY( c->value_bv.bv_val, &c->value_bv.bv_val[ i ],
 326                                                 c->value_bv.bv_len + 1 );
 327                         }
 328
 329                         break;
 330                 }
 331
 332                 case LDAP_BACK_CFG_IDASSERT_MODE:
 333                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 334                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 335                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 336                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 337                         rc = 1;
 338                         break;
 339
 340                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 341                         int             i;
 342
 343                         if ( li->idassert_authz == NULL ) {
 344                                 rc = 1;
 345                                 break;
 346                         }
 347
 348                         for ( i = 0; !BER_BVISNULL( &li->idassert_authz[ i ] ); i++ )
 349                         {
 350                                 struct berval   bv;
 351
 352                                 ber_dupbv( &bv, &li->idassert_authz[ i ] );
 353                                 ber_bvarray_add( &c->rvalue_vals, &bv );
 354                         }
 355                         break;
 356                 }
 357
 358                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 359                         int             i;
 360                         struct berval   bv = BER_BVNULL,
 361                                         bc = BER_BVNULL;
 362                         char            *ptr;
 363
 364                         if ( li->idassert_authmethod != LDAP_AUTH_NONE ) {
 365                                 ber_len_t       len;
 366
 367                                 switch ( li->idassert_mode ) {
 368                                 case LDAP_BACK_IDASSERT_OTHERID:
 369                                 case LDAP_BACK_IDASSERT_OTHERDN:
 370                                         break;
 371
 372                                 default: {
 373                                         struct berval   mode = BER_BVNULL;
 374
 375                                         enum_to_verb( idassert_mode, li->idassert_mode, &mode );
 376                                         if ( BER_BVISNULL( &mode ) ) {
 377                                                 /* there's something wrong... */
 378                                                 assert( 0 );
 379                                                 rc = 1;
 380
 381                                         } else {
 382                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 383                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 384
 385                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 386                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 387                                         }
 388                                         break;
 389                                 }
 390                                 }
 391
 392                                 if ( li->idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 393                                         len = bv.bv_len + STRLENOF( "authz=native" );
 394
 395                                         if ( !BER_BVISEMPTY( &bv ) ) {
 396                                                 len += STRLENOF( " " );
 397                                         }
 398
 399                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 400
 401                                         ptr = &bv.bv_val[ bv.bv_len ];
 402
 403                                         if ( !BER_BVISEMPTY( &bv ) ) {
 404                                                 ptr = lutil_strcopy( ptr, " " );
 405                                         }
 406
 407                                         (void)lutil_strcopy( ptr, "authz=native" );
 408                                 }
 409
 410                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override" );
 411                                 /* flags */
 412                                 if ( !BER_BVISEMPTY( &bv ) ) {
 413                                         len += STRLENOF( " " );
 414                                 }
 415
 416                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 417
 418                                 ptr = &bv.bv_val[ bv.bv_len ];
 419
 420                                 if ( !BER_BVISEMPTY( &bv ) ) {
 421                                         ptr = lutil_strcopy( ptr, " " );
 422                                 }
 423
 424                                 ptr = lutil_strcopy( ptr, "flags=" );
 425
 426                                 if ( li->idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 427                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 428                                 } else {
 429                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 430                                 }
 431
 432                                 if ( li->idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 433                                         ptr = lutil_strcopy( ptr, ",override" );
 434                                 }
 435
 436                                 bv.bv_len = ( ptr - bv.bv_val );
 437                                 /* end-of-flags */
 438                         }
 439
 440                         bindconf_unparse( &li->idassert_sb, &bc );
 441
 442                         if ( !BER_BVISNULL( &bv ) ) {
 443                                 c->value_bv.bv_len = bv.bv_len + bc.bv_len;
 444                                 c->value_bv.bv_val = ch_realloc( bv.bv_val, c->value_bv.bv_len + 1 );
 445
 446                                 assert( bc.bv_val[ 0 ] == ' ' );
 447
 448                                 (void)lutil_strcopy( &c->value_bv.bv_val[ bv.bv_len ], bc.bv_val );
 449
 450                                 free( bc.bv_val );
 451
 452                         } else {
 453                                 for ( i = 0; isspace( bc.bv_val[ i ] ); i++ )
 454                                         /* count spaces */ ;
 455
 456                                 if ( i ) {
 457                                         bc.bv_len -= i;
 458                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 459                                 }
 460
 461                                 c->value_bv = bv;
 462                         }
 463
 464                         break;
 465                 }
 466
 467                 case LDAP_BACK_CFG_REBIND:
 468                         enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_SAVECRED ) == LDAP_BACK_F_SAVECRED ), &bv );
 469                         if ( BER_BVISNULL( &bv ) ) {
 470                                 /* there's something wrong... */
 471                                 assert( 0 );
 472                                 rc = 1;
 473
 474                         } else {
 475                                 ber_dupbv( &c->value_bv, &bv );
 476                         }
 477                         break;
 478
 479                 case LDAP_BACK_CFG_CHASE:
 480                         enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_CHASE_REFERRALS ) == LDAP_BACK_F_CHASE_REFERRALS ), &bv );
 481                         if ( BER_BVISNULL( &bv ) ) {
 482                                 /* there's something wrong... */
 483                                 assert( 0 );
 484                                 rc = 1;
 485
 486                         } else {
 487                                 ber_dupbv( &c->value_bv, &bv );
 488                         }
 489                         break;
 490
 491                 case LDAP_BACK_CFG_T_F:
 492                         enum_to_verb( t_f_mode, ( ( li->flags & LDAP_BACK_F_SUPPORT_T_F_MASK ) == LDAP_BACK_F_SUPPORT_T_F_MASK ), &bv );
 493                         if ( BER_BVISNULL( &bv ) ) {
 494                                 /* there's something wrong... */
 495                                 assert( 0 );
 496                                 rc = 1;
 497
 498                         } else {
 499                                 ber_dupbv( &c->value_bv, &bv );
 500                         }
 501                         break;
 502
 503                 case LDAP_BACK_CFG_WHOAMI:
 504                         enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_PROXY_WHOAMI ) == LDAP_BACK_F_PROXY_WHOAMI ), &bv );
 505                         if ( BER_BVISNULL( &bv ) ) {
 506                                 /* there's something wrong... */
 507                                 assert( 0 );
 508                                 rc = 1;
 509
 510                         } else {
 511                                 ber_dupbv( &c->value_bv, &bv );
 512                         }
 513                         break;
 514
 515                 default:
 516                         /* we need to handle all... */
 517                         assert( 0 );
 518                         break;
 519                 }
 520                 return rc;
 521
 522         } else if ( c->op == LDAP_MOD_DELETE ) {
 523                 rc = 0;
 524                 switch( c->type ) {
 525                 case LDAP_BACK_CFG_URI:
 526                         if ( li->url != NULL ) {
 527                                 ch_free( li->url );
 528                                 li->url = NULL;
 529                         }
 530
 531                         if ( li->lud != NULL ) {
 532                                 ldap_free_urllist( li->lud );
 533                                 li->lud = NULL;
 534                         }
 535
 536                         /* better cleanup the cached connections... */
 537                         /* NOTE: don't worry about locking: if we got here,
 538                          * other threads are suspended. */
 539                         avl_free( li->conntree, ldap_back_conn_free );
 540                         li->conntree = NULL;
 541
 542                         break;
 543
 544                 case LDAP_BACK_CFG_TLS:
 545                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 546                 case LDAP_BACK_CFG_ACL_PASSWD:
 547                 case LDAP_BACK_CFG_ACL_METHOD:
 548                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 549                         rc = 1;
 550                         break;
 551
 552                 case LDAP_BACK_CFG_ACL_BIND:
 553                         bindconf_free( &li->acl_sb );
 554                         break;
 555
 556                 case LDAP_BACK_CFG_IDASSERT_MODE:
 557                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 558                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 559                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 560                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 561                         rc = 1;
 562                         break;
 563
 564                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 565                         if ( li->idassert_authz != NULL ) {
 566                                 ber_bvarray_free( li->idassert_authz );
 567                                 li->idassert_authz = NULL;
 568                         }
 569                         break;
 570
 571                 case LDAP_BACK_CFG_IDASSERT_BIND:
 572                         bindconf_free( &li->idassert_sb );
 573                         break;
 574
 575                 case LDAP_BACK_CFG_REBIND:
 576                 case LDAP_BACK_CFG_CHASE:
 577                 case LDAP_BACK_CFG_T_F:
 578                 case LDAP_BACK_CFG_WHOAMI:
 579                         rc = 1;
 580                         break;
 581
 582                 default:
 583                         /* we need to handle all... */
 584                         assert( 0 );
 585                         break;
 586                 }
 587                 return rc;
 588
 589         }
 590
 591         switch( c->type ) {
 592         case LDAP_BACK_CFG_URI: {
 593                 LDAPURLDesc     *tmpludp;
 594                 char            **urllist;
 595                 int             urlrc, i;
 596
 597                 if ( c->argc != 2 ) {
 598                         fprintf( stderr, "%s: line %d: "
 599                                         "missing uri "
 600                                         "in \"uri <uri>\" line\n",
 601                                         c->fname, c->lineno );
 602                         return 1;
 603                 }
 604
 605                 if ( li->url != NULL ) {
 606                         ch_free( li->url );
 607                 }
 608
 609                 if ( li->lud != NULL ) {
 610                         ldap_free_urllist( li->lud );
 611                 }
 612
 613 #if 0
 614                 /* PARANOID: DN and more are not required nor allowed */
 615                 urlrc = ldap_url_parselist_ext( &li->lud, c->value_string, "\t" );
 616 #else
 617                 urlrc = ldap_url_parselist( &li->lud, c->value_string );
 618 #endif
 619                 if ( urlrc != LDAP_URL_SUCCESS ) {
 620                         char    *why;
 621
 622                         switch ( urlrc ) {
 623                         case LDAP_URL_ERR_MEM:
 624                                 why = "no memory";
 625                                 break;
 626                         case LDAP_URL_ERR_PARAM:
 627                                 why = "parameter is bad";
 628                                 break;
 629                         case LDAP_URL_ERR_BADSCHEME:
 630                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 631                                 break;
 632                         case LDAP_URL_ERR_BADENCLOSURE:
 633                                 why = "URL is missing trailing \">\"";
 634                                 break;
 635                         case LDAP_URL_ERR_BADURL:
 636                                 why = "URL is bad";
 637                         case LDAP_URL_ERR_BADHOST:
 638                                 why = "host/port is bad";
 639                                 break;
 640                         case LDAP_URL_ERR_BADATTRS:
 641                                 why = "bad (or missing) attributes";
 642                                 break;
 643                         case LDAP_URL_ERR_BADSCOPE:
 644                                 why = "scope string is invalid (or missing)";
 645                                 break;
 646                         case LDAP_URL_ERR_BADFILTER:
 647                                 why = "bad or missing filter";
 648                                 break;
 649                         case LDAP_URL_ERR_BADEXTS:
 650                                 why = "bad or missing extensions";
 651                                 break;
 652                         default:
 653                                 why = "unknown reason";
 654                                 break;
 655                         }
 656                         fprintf( stderr, "%s: line %d: "
 657                                         "unable to parse uri \"%s\" "
 658                                         "in \"uri <uri>\" line: %s\n",
 659                                         c->fname, c->lineno, c->value_string, why );
 660                         return 1;
 661                 }
 662
 663                 for ( i = 0, tmpludp = li->lud;
 664                                 tmpludp;
 665                                 i++, tmpludp = tmpludp->lud_next )
 666                 {
 667                         if ( ( tmpludp->lud_dn != NULL
 668                                                 && tmpludp->lud_dn[0] != '\0' )
 669                                         || tmpludp->lud_attrs != NULL
 670                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 671                                         || tmpludp->lud_filter != NULL
 672                                         || tmpludp->lud_exts != NULL )
 673                         {
 674                                 fprintf( stderr, "%s: line %d: "
 675                                                 "warning, only protocol, "
 676                                                 "host and port allowed "
 677                                                 "in \"uri <uri>\" statement "
 678                                                 "for uri #%d of \"%s\"\n",
 679                                                 c->fname, c->lineno, i, c->value_string );
 680                         }
 681                 }
 682
 683 #if 0
 684                 for ( i = 0, tmpludp = li->lud;
 685                                 tmpludp;
 686                                 i++, tmpludp = tmpludp->lud_next )
 687                         /* just count */
 688
 689                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 690
 691                 for ( i = 0, tmpludp = li->lud;
 692                                 tmpludp;
 693                                 i++, tmpludp = tmpludp->lud_next )
 694                 {
 695                         LDAPURLDesc     tmplud;
 696                         ber_len_t       oldlen = 0, len;
 697
 698                         tmplud = *tmpludp;
 699                         tmplud.lud_dn = "";
 700                         tmplud.lud_attrs = NULL;
 701                         tmplud.lud_filter = NULL;
 702                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 703                                 tmplud.lud_exts = NULL;
 704                                 tmplud.lud_crit_exts = 0;
 705                         }
 706
 707                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 708
 709                         if ( urllist[ i ] == NULL ) {
 710                                 fprintf( stderr, "%s: line %d: "
 711                                         "unable to rebuild uri "
 712                                         "in \"uri <uri>\" statement "
 713                                         "for \"%s\"\n",
 714                                         c->fname, c->lineno, argv[ 1 ] );
 715                                 return 1;
 716                         }
 717                 }
 718
 719                 li->url = ldap_charray2str( urllist, " " );
 720                 ldap_charray_free( urllist );
 721 #else
 722                 li->url = ch_strdup( c->value_string );
 723 #endif
 724                 break;
 725         }
 726
 727         case LDAP_BACK_CFG_TLS:
 728                 i = verb_to_mask( c->argv[1], tls_mode );
 729                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 730                         return 1;
 731                 }
 732                 li->flags &= ~LDAP_BACK_F_TLS_MASK;
 733                 li->flags |= tls_mode[i].mask;
 734                 break;
 735
 736         case LDAP_BACK_CFG_ACL_AUTHCDN:
 737                 switch ( li->acl_authmethod ) {
 738                 case LDAP_AUTH_NONE:
 739                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
 740                         break;
 741
 742                 case LDAP_AUTH_SIMPLE:
 743                         break;
 744
 745                 default:
 746                         fprintf( stderr, "%s: line %d: "
 747                                 "\"acl-authcDN <DN>\" incompatible "
 748                                 "with auth method %d.",
 749                                 c->fname, c->lineno, li->acl_authmethod );
 750                         return 1;
 751                 }
 752                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 753                         free( li->acl_authcDN.bv_val );
 754                 }
 755                 li->acl_authcDN = c->value_ndn;
 756                 break;
 757
 758         case LDAP_BACK_CFG_ACL_PASSWD:
 759                 switch ( li->acl_authmethod ) {
 760                 case LDAP_AUTH_NONE:
 761                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
 762                         break;
 763
 764                 case LDAP_AUTH_SIMPLE:
 765                         break;
 766
 767                 default:
 768                         fprintf( stderr, "%s: line %d: "
 769                                 "\"acl-passwd <cred>\" incompatible "
 770                                 "with auth method %d.",
 771                                 c->fname, c->lineno, li->acl_authmethod );
 772                         return 1;
 773                 }
 774                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 775                         free( li->acl_passwd.bv_val );
 776                 }
 777                 li->acl_passwd = c->value_bv;
 778                 break;
 779
 780         case LDAP_BACK_CFG_ACL_METHOD:
 781         case LDAP_BACK_CFG_ACL_BIND:
 782                 for ( i = 1; i < c->argc; i++ ) {
 783                         if ( bindconf_parse( c->argv[ i ], &li->acl_sb ) ) {
 784                                 return 1;
 785                         }
 786                 }
 787                 break;
 788
 789         case LDAP_BACK_CFG_IDASSERT_MODE:
 790                 i = verb_to_mask( c->argv[1], idassert_mode );
 791                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 792                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 793                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 794                                 ber_str2bv( c->argv[1], 0, 1, &li->idassert_authzID );
 795                                 li->idassert_authzID.bv_val[ 0 ] = 'u';
 796
 797                         } else {
 798                                 struct berval   id, ndn;
 799
 800                                 ber_str2bv( c->argv[1], 0, 0, &id );
 801
 802                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 803                                         id.bv_val += STRLENOF( "dn:" );
 804                                         id.bv_len -= STRLENOF( "dn:" );
 805                                 }
 806
 807                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 808                                 if ( rc != LDAP_SUCCESS ) {
 809                                         Debug( LDAP_DEBUG_ANY,
 810                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 811                                                 c->fname, c->lineno, c->argv[1] );
 812                                         return 1;
 813                                 }
 814
 815                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 816                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
 817                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 818                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 819                                 ch_free( ndn.bv_val );
 820
 821                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 822                         }
 823
 824                 } else {
 825                         li->idassert_mode = idassert_mode[i].mask;
 826                 }
 827
 828                 if ( c->argc > 2 ) {
 829                         int     i;
 830
 831                         for ( i = 2; i < c->argc; i++ ) {
 832                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 833                                         li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 834
 835                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 836                                         li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 837
 838                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 839                                         li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 840
 841                                 } else {
 842                                         Debug( LDAP_DEBUG_ANY,
 843                                                 "%s: line %d: unknown flag #%d "
 844                                                 "in \"idassert-mode <args> "
 845                                                 "[<flags>]\" line.\n",
 846                                                 c->fname, c->lineno, i - 2 );
 847                                         return 1;
 848                                 }
 849                         }
 850                 }
 851                 break;
 852
 853         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 854                 switch ( li->idassert_authmethod ) {
 855                 case LDAP_AUTH_NONE:
 856                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 857                         break;
 858
 859                 case LDAP_AUTH_SIMPLE:
 860                         break;
 861
 862                 default:
 863                         fprintf( stderr, "%s: line %d: "
 864                                 "\"idassert-authcDN <DN>\" incompatible "
 865                                 "with auth method %d.",
 866                                 c->fname, c->lineno, li->idassert_authmethod );
 867                         return 1;
 868                 }
 869                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 870                         free( li->idassert_authcDN.bv_val );
 871                 }
 872                 li->idassert_authcDN = c->value_ndn;
 873                 break;
 874
 875         case LDAP_BACK_CFG_IDASSERT_PASSWD:
 876                 switch ( li->idassert_authmethod ) {
 877                 case LDAP_AUTH_NONE:
 878                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 879                         break;
 880
 881                 case LDAP_AUTH_SIMPLE:
 882                         break;
 883
 884                 default:
 885                         fprintf( stderr, "%s: line %d: "
 886                                 "\"idassert-passwd <cred>\" incompatible "
 887                                 "with auth method %d.",
 888                                 c->fname, c->lineno, li->idassert_authmethod );
 889                         return 1;
 890                 }
 891                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 892                         free( li->idassert_passwd.bv_val );
 893                 }
 894                 li->idassert_passwd = c->value_bv;
 895                 break;
 896
 897         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 898                 ber_bvarray_add( &li->idassert_authz, &c->value_bv );
 899                 break;
 900
 901         case LDAP_BACK_CFG_IDASSERT_METHOD:
 902                 /* no longer supported */
 903                 fprintf( stderr, "%s: %d: "
 904                         "\"idassert-method <args>\": "
 905                         "no longer supported; use \"idassert-bind\".\n",
 906                         c->fname, c->lineno );
 907                 return 1;
 908
 909         case LDAP_BACK_CFG_IDASSERT_BIND:
 910                 for ( i = 1; i < c->argc; i++ ) {
 911                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
 912                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
 913                                 int     j;
 914
 915                                 j = verb_to_mask( argvi, idassert_mode );
 916                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
 917                                         fprintf( stderr, "%s: %d: "
 918                                                 "\"idassert-bind <args>\": "
 919                                                 "unknown mode \"%s\".\n",
 920                                                 c->fname, c->lineno, argvi );
 921                                         return 1;
 922                                 }
 923
 924                                 li->idassert_mode = idassert_mode[ j ].mask;
 925
 926                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 927                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
 928
 929                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
 930                                         if ( li->idassert_authmethod != LDAP_AUTH_SASL ) {
 931                                                 fprintf( stderr, "%s: %d: "
 932                                                         "\"idassert-bind <args>\": "
 933                                                         "authz=\"native\" incompatible "
 934                                                         "with auth method.\n",
 935                                                         c->fname, c->lineno );
 936                                                 return 1;
 937                                         }
 938                                         li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 939
 940                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
 941                                         li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 942
 943                                 } else {
 944                                         fprintf( stderr, "%s: %d: "
 945                                                 "\"idassert-bind <args>\": "
 946                                                 "unknown authz \"%s\".\n",
 947                                                 c->fname, c->lineno, argvi );
 948                                         return 1;
 949                                 }
 950
 951                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
 952                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
 953                                 char    **flags = ldap_str2charray( argvi, "," );
 954                                 int     j;
 955
 956                                 if ( flags == NULL ) {
 957                                         fprintf( stderr, "%s: %d: "
 958                                                 "\"idassert-bind <args>\": "
 959                                                 "unable to parse flags \"%s\".\n",
 960                                                 c->fname, c->lineno, argvi );
 961                                         return 1;
 962                                 }
 963
 964                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
 965                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
 966                                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 967
 968                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
 969                                                 li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 970
 971                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
 972                                                 li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 973
 974                                         } else {
 975                                                 fprintf( stderr, "%s: %d: "
 976                                                         "\"idassert-bind <args>\": "
 977                                                         "unknown flag \"%s\".\n",
 978                                                         c->fname, c->lineno, flags[ j ] );
 979                                                 return 1;
 980                                         }
 981                                 }
 982
 983                                 ldap_charray_free( flags );
 984
 985                         } else if ( bindconf_parse( c->argv[ i ], &li->idassert_sb ) ) {
 986                                 return 1;
 987                         }
 988                 }
 989                 break;
 990
 991         case LDAP_BACK_CFG_REBIND: {
 992                 int     dorebind = 0;
 993
 994                 if ( c->argc == 1 ) {
 995                         /* legacy */
 996                         dorebind = 1;
 997
 998                 } else {
 999                         i = verb_to_mask( c->argv[1], yn_mode );
1000                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1001                                 return 1;
1002                         }
1003                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1004                                 dorebind = 1;
1005                         }
1006                 }
1007
1008                 if ( dorebind ) {
1009                         li->flags |= LDAP_BACK_F_SAVECRED;
1010
1011                 } else {
1012                         li->flags &= ~LDAP_BACK_F_SAVECRED;
1013                 }
1014                 break;
1015         }
1016
1017         case LDAP_BACK_CFG_CHASE: {
1018                 int     dochase = 0;
1019
1020                 if ( c->argc == 1 ) {
1021                         /* legacy */
1022                         dochase = 1;
1023
1024                 } else {
1025                         i = verb_to_mask( c->argv[1], yn_mode );
1026                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1027                                 return 1;
1028                         }
1029                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1030                                 dochase = 1;
1031                         }
1032                 }
1033
1034                 if ( dochase ) {
1035                         li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
1036
1037                 } else {
1038                         li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1039                 }
1040                 break;
1041         }
1042
1043         case LDAP_BACK_CFG_T_F:
1044                 i = verb_to_mask( c->argv[1], t_f_mode );
1045                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1046                         return 1;
1047                 }
1048                 li->flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1049                 li->flags |= t_f_mode[i].mask;
1050                 break;
1051
1052         case LDAP_BACK_CFG_WHOAMI: {
1053                 int     dowhoami = 0;
1054
1055                 if ( c->argc == 1 ) {
1056                         /* legacy */
1057                         dowhoami = 1;
1058
1059                 } else {
1060                         i = verb_to_mask( c->argv[1], yn_mode );
1061                         if ( BER_BVISNULL( &yn_mode[i].word ) ) {
1062                                 return 1;
1063                         }
1064                         if ( yn_mode[i].mask & LDAP_BACK_C_YES ) {
1065                                 dowhoami = 1;
1066                         }
1067                 }
1068
1069                 if ( dowhoami ) {
1070                         li->flags |= LDAP_BACK_F_PROXY_WHOAMI;
1071
1072                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1073                                         0, ldap_back_exop_whoami );
1074
1075                 } else {
1076                         li->flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1077                 }
1078                 break;
1079         }
1080
1081         case LDAP_BACK_CFG_REWRITE:
1082                 fprintf( stderr, "%s: line %d: "
1083                         "rewrite/remap capabilities have been moved "
1084                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1085                         "for details (hint: add \"overlay rwm\" "
1086                         "and prefix all directives with \"rwm-\").\n",
1087                         c->fname, c->lineno );
1088                 return 1;
1089
1090         default:
1091                 assert( 0 );
1092         }
1093
1094         return 0;
1095 }
1096
1097 int
1098 ldap_back_init_cf( BackendInfo *bi )
1099 {
1100         int                     rc;
1101         AttributeDescription    *ad = NULL;
1102         const char              *text;
1103
1104         bi->bi_cf_ocs = ldapocs;
1105
1106         rc = config_register_schema( ldapcfg, ldapocs );
1107         if ( rc ) {
1108                 return rc;
1109         }
1110
1111         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1112          * to be base64-encoded when written in LDIF form;
1113          * basically, we don't care if it fails */
1114         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1115         if ( rc ) {
1116                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1117                         "warning, unable to get \"olcDbACLPasswd\" "
1118                         "attribute description: %d: %s\n",
1119                         rc, text, 0 );
1120         } else {
1121                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1122                         ad->ad_type->sat_oid );
1123         }
1124
1125         ad = NULL;
1126         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1127         if ( rc ) {
1128                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1129                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1130                         "attribute description: %d: %s\n",
1131                         rc, text, 0 );
1132         } else {
1133                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1134                         ad->ad_type->sat_oid );
1135         }
1136
1137         return 0;
1138 }
1139
1140
1141 static int
1142 parse_idassert( BackendDB *be, const char *fname, int lineno,
1143                 int argc, char **argv );
1144
1145 static int
1146 parse_acl_auth( BackendDB *be, const char *fname, int lineno,
1147                 int argc, char **argv );
1148
1149 int
1150 ldap_back_db_config(
1151                 BackendDB       *be,
1152                 const char      *fname,
1153                 int             lineno,
1154                 int             argc,
1155                 char            **argv )
1156 {
1157         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1158
1159         if ( li == NULL ) {
1160                 fprintf( stderr, "%s: line %d: ldap backend info is null!\n",
1161                                 fname, lineno );
1162                 return 1;
1163         }
1164
1165         /* server address to query (no longer supported, use "uri" directive) */
1166         if ( strcasecmp( argv[0], "server" ) == 0 ) {
1167                 fprintf( stderr,
1168         "%s: line %d: \"server <address>\" directive is no longer supported.\n",
1169                                         fname, lineno );
1170                 return 1;
1171
1172         /* URI of server to query (obsoletes "server" directive) */
1173         } else if ( strcasecmp( argv[0], "uri" ) == 0 ) {
1174                 LDAPURLDesc     *tmpludp;
1175                 char            **urllist;
1176                 int             urlrc, i;
1177
1178                 if ( argc != 2 ) {
1179                         fprintf( stderr, "%s: line %d: "
1180                                         "missing uri "
1181                                         "in \"uri <uri>\" line\n",
1182                                         fname, lineno );
1183                         return 1;
1184                 }
1185                 if ( li->url != NULL ) {
1186                         ch_free( li->url );
1187                 }
1188                 if ( li->lud != NULL ) {
1189                         ldap_free_urllist( li->lud );
1190                 }
1191
1192 #if 0
1193                 /* PARANOID: DN and more are not required nor allowed */
1194                 urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" );
1195 #else
1196                 urlrc = ldap_url_parselist( &li->lud, argv[ 1 ] );
1197 #endif
1198                 if ( urlrc != LDAP_URL_SUCCESS ) {
1199                         char    *why;
1200
1201                         switch ( urlrc ) {
1202                         case LDAP_URL_ERR_MEM:
1203                                 why = "no memory";
1204                                 break;
1205                         case LDAP_URL_ERR_PARAM:
1206                                 why = "parameter is bad";
1207                                 break;
1208                         case LDAP_URL_ERR_BADSCHEME:
1209                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
1210                                 break;
1211                         case LDAP_URL_ERR_BADENCLOSURE:
1212                                 why = "URL is missing trailing \">\"";
1213                                 break;
1214                         case LDAP_URL_ERR_BADURL:
1215                                 why = "URL is bad";
1216                         case LDAP_URL_ERR_BADHOST:
1217                                 why = "host/port is bad";
1218                                 break;
1219                         case LDAP_URL_ERR_BADATTRS:
1220                                 why = "bad (or missing) attributes";
1221                                 break;
1222                         case LDAP_URL_ERR_BADSCOPE:
1223                                 why = "scope string is invalid (or missing)";
1224                                 break;
1225                         case LDAP_URL_ERR_BADFILTER:
1226                                 why = "bad or missing filter";
1227                                 break;
1228                         case LDAP_URL_ERR_BADEXTS:
1229                                 why = "bad or missing extensions";
1230                                 break;
1231                         default:
1232                                 why = "unknown reason";
1233                                 break;
1234                         }
1235                         fprintf( stderr, "%s: line %d: "
1236                                         "unable to parse uri \"%s\" "
1237                                         "in \"uri <uri>\" line: %s\n",
1238                                         fname, lineno, argv[ 1 ], why );
1239                         return 1;
1240                 }
1241
1242                 for ( i = 0, tmpludp = li->lud;
1243                                 tmpludp;
1244                                 i++, tmpludp = tmpludp->lud_next )
1245                 {
1246                         if ( ( tmpludp->lud_dn != NULL
1247                                                 && tmpludp->lud_dn[0] != '\0' )
1248                                         || tmpludp->lud_attrs != NULL
1249                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
1250                                         || tmpludp->lud_filter != NULL
1251                                         || tmpludp->lud_exts != NULL )
1252                         {
1253                                 fprintf( stderr, "%s: line %d: "
1254                                                 "warning, only protocol, "
1255                                                 "host and port allowed "
1256                                                 "in \"uri <uri>\" statement "
1257                                                 "for uri #%d of \"%s\"\n",
1258                                                 fname, lineno, i, argv[1] );
1259                         }
1260                 }
1261
1262 #if 0
1263                 for ( i = 0, tmpludp = li->lud;
1264                                 tmpludp;
1265                                 i++, tmpludp = tmpludp->lud_next )
1266                         /* just count */
1267
1268                 urllist = ch_calloc( sizeof( char * ), i + 1 );
1269
1270                 for ( i = 0, tmpludp = li->lud;
1271                                 tmpludp;
1272                                 i++, tmpludp = tmpludp->lud_next )
1273                 {
1274                         LDAPURLDesc     tmplud;
1275                         ber_len_t       oldlen = 0, len;
1276
1277                         tmplud = *tmpludp;
1278                         tmplud.lud_dn = "";
1279                         tmplud.lud_attrs = NULL;
1280                         tmplud.lud_filter = NULL;
1281                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
1282                                 tmplud.lud_exts = NULL;
1283                                 tmplud.lud_crit_exts = 0;
1284                         }
1285
1286                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
1287
1288                         if ( urllist[ i ] == NULL ) {
1289                                 fprintf( stderr, "%s: line %d: "
1290                                         "unable to rebuild uri "
1291                                         "in \"uri <uri>\" statement "
1292                                         "for \"%s\"\n",
1293                                         fname, lineno, argv[ 1 ] );
1294                                 return 1;
1295                         }
1296                 }
1297
1298                 li->url = ldap_charray2str( urllist, " " );
1299                 ldap_charray_free( urllist );
1300 #else
1301                 li->url = ch_strdup( argv[ 1 ] );
1302 #endif
1303
1304         } else if ( strcasecmp( argv[0], "tls" ) == 0 ) {
1305                 if ( argc != 2 ) {
1306                         fprintf( stderr,
1307                 "%s: line %d: \"tls <what>\" needs 1 argument.\n",
1308                                         fname, lineno );
1309                         return( 1 );
1310                 }
1311
1312                 /* none */
1313                 if ( strcasecmp( argv[1], "none" ) == 0 ) {
1314                         li->flags &= ~LDAP_BACK_F_TLS_MASK;
1315
1316                 /* try start tls */
1317                 } else if ( strcasecmp( argv[1], "start" ) == 0 ) {
1318                         li->flags |= LDAP_BACK_F_TLS_USE_MASK;
1319
1320                 /* try start tls */
1321                 } else if ( strcasecmp( argv[1], "try-start" ) == 0 ) {
1322                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
1323                         li->flags |= LDAP_BACK_F_USE_TLS;
1324
1325                 /* propagate start tls */
1326                 } else if ( strcasecmp( argv[1], "propagate" ) == 0 ) {
1327                         li->flags |= LDAP_BACK_F_TLS_PROPAGATE_MASK;
1328
1329                 /* try start tls */
1330                 } else if ( strcasecmp( argv[1], "try-propagate" ) == 0 ) {
1331                         li->flags &= ~LDAP_BACK_F_TLS_CRITICAL;
1332                         li->flags |= LDAP_BACK_F_PROPAGATE_TLS;
1333
1334                 } else {
1335                         fprintf( stderr,
1336                 "%s: line %d: \"tls <what>\": unknown argument \"%s\".\n",
1337                                         fname, lineno, argv[1] );
1338                         return( 1 );
1339                 }
1340
1341         /* remote ACL stuff... */
1342         } else if ( strncasecmp( argv[0], "acl-", STRLENOF( "acl-" ) ) == 0
1343                         || strncasecmp( argv[0], "bind", STRLENOF( "bind" ) ) == 0 )
1344         {
1345                 /* NOTE: "bind{DN,pw}" was initially used; it's now
1346                  * deprected and undocumented, it can be dropped at some
1347                  * point, since nobody should be really using it */
1348                 return parse_acl_auth( be, fname, lineno, argc, argv );
1349
1350         /* identity assertion stuff... */
1351         } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0
1352                         || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 )
1353         {
1354                 /* NOTE: "proxyauthz{DN,pw}" was initially used; it's now
1355                  * deprected and undocumented, it can be dropped at some
1356                  * point, since nobody should be really using it */
1357                 return parse_idassert( be, fname, lineno, argc, argv );
1358
1359         /* save bind creds for referral rebinds? */
1360         } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
1361                 switch ( argc ) {
1362                 case 1:
1363                         fprintf( stderr,
1364         "%s: line %d: \"rebind-as-user {NO|yes}\": use without args is deprecated.\n",
1365                                 fname, lineno );
1366
1367                         li->flags |= LDAP_BACK_F_SAVECRED;
1368                         break;
1369
1370                 case 2:
1371                         if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1372                                 li->flags |= LDAP_BACK_F_SAVECRED;
1373
1374                         } else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1375                                 li->flags &= ~LDAP_BACK_F_SAVECRED;
1376
1377                         } else {
1378                                 fprintf( stderr,
1379         "%s: line %d: \"rebind-as-user {NO|yes}\": unknown argument \"%s\".\n",
1380                                         fname, lineno, argv[ 1 ] );
1381                                 return( 1 );
1382                         }
1383                         break;
1384
1385                 default:
1386                         fprintf( stderr,
1387         "%s: line %d: \"rebind-as-user {NO|yes}\" needs 1 argument.\n",
1388                                         fname, lineno );
1389                         return( 1 );
1390                 }
1391
1392         } else if ( strcasecmp( argv[0], "chase-referrals" ) == 0 ) {
1393                 if ( argc != 2 ) {
1394                         fprintf( stderr,
1395         "%s: line %d: \"chase-referrals {YES|no}\" needs 1 argument.\n",
1396                                         fname, lineno );
1397                         return( 1 );
1398                 }
1399
1400                 /* this is the default; we add it because the default might change... */
1401                 if ( strcasecmp( argv[1], "yes" ) == 0 ) {
1402                         li->flags |= LDAP_BACK_F_CHASE_REFERRALS;
1403
1404                 } else if ( strcasecmp( argv[1], "no" ) == 0 ) {
1405                         li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1406
1407                 } else {
1408                         fprintf( stderr,
1409                 "%s: line %d: \"chase-referrals {YES|no}\": unknown argument \"%s\".\n",
1410                                         fname, lineno, argv[1] );
1411                         return( 1 );
1412                 }
1413
1414         } else if ( strcasecmp( argv[ 0 ], "t-f-support" ) == 0 ) {
1415                 if ( argc != 2 ) {
1416                         fprintf( stderr,
1417                 "%s: line %d: \"t-f-support {NO|yes|discover}\" needs 1 argument.\n",
1418                                         fname, lineno );
1419                         return( 1 );
1420                 }
1421
1422                 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1423                         li->flags &= ~(LDAP_BACK_F_SUPPORT_T_F|LDAP_BACK_F_SUPPORT_T_F_DISCOVER);
1424
1425                 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1426                         li->flags |= LDAP_BACK_F_SUPPORT_T_F;
1427
1428                 } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
1429                         li->flags |= LDAP_BACK_F_SUPPORT_T_F_DISCOVER;
1430
1431                 } else {
1432                         fprintf( stderr,
1433         "%s: line %d: \"t-f-support {NO|yes|discover}\": unknown argument \"%s\".\n",
1434                                 fname, lineno, argv[ 1 ] );
1435                         return 1;
1436                 }
1437
1438         /* intercept exop_who_am_i? */
1439         } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) {
1440                 int     doload_extop = 0;
1441
1442                 switch ( argc ) {
1443                 case 1:
1444                         fprintf( stderr,
1445         "%s: line %d: \"proxy-whoami {NO|yes}\": use without args is deprecated.\n",
1446                                 fname, lineno );
1447
1448                         doload_extop = 1;
1449                         break;
1450
1451                 case 2:
1452                         if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1453                                 doload_extop = 1;
1454
1455                         } else if ( strcasecmp( argv[ 1 ], "no" ) != 0 ) {
1456                                 fprintf( stderr,
1457         "%s: line %d: \"proxy-whoami {NO|yes}\": unknown argument \"%s\".\n",
1458                                         fname, lineno, argv[ 1 ] );
1459                                 return( 1 );
1460                         }
1461                         break;
1462
1463                 default:
1464                         fprintf( stderr,
1465         "%s: line %d: \"proxy-whoami {NO|yes}\" needs 1 argument.\n",
1466                                         fname, lineno );
1467                         return( 1 );
1468                 }
1469
1470                 if ( doload_extop ) {
1471                         li->flags |= LDAP_BACK_F_PROXY_WHOAMI;
1472
1473                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1474                                         0, ldap_back_exop_whoami );
1475                 }
1476
1477         /* FIXME: legacy: intercept old rewrite/remap directives
1478          * and try to start the rwm overlay */
1479         } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0
1480                         || strcasecmp( argv[0], "map" ) == 0
1481                         || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 )
1482         {
1483 #if 0
1484                 fprintf( stderr, "%s: line %d: "
1485                         "rewrite/remap capabilities have been moved "
1486                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1487                         "for details.  I'm trying to do my best "
1488                         "to preserve backwards compatibility...\n",
1489                         fname, lineno );
1490
1491                 if ( li->rwm_started == 0 ) {
1492                         if ( overlay_config( be, "rwm" ) ) {
1493                                 fprintf( stderr, "%s: line %d: "
1494                                         "unable to configure the \"rwm\" "
1495                                         "overlay, required by directive "
1496                                         "\"%s\".\n",
1497                                         fname, lineno, argv[0] );
1498 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
1499                                 fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" );
1500 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
1501                                 return( 1 );
1502                         }
1503
1504                         fprintf( stderr, "%s: line %d: back-ldap: "
1505                                 "automatically starting \"rwm\" overlay, "
1506                                 "triggered by \"%s\" directive.\n",
1507                                 fname, lineno, argv[ 0 ] );
1508
1509                 /* this is the default; we add it because the default might change... */
1510                         li->rwm_started = 1;
1511
1512                         return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv );
1513                 }
1514 #else
1515                 fprintf( stderr, "%s: line %d: "
1516                         "rewrite/remap capabilities have been moved "
1517                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1518                         "for details (hint: add \"overlay rwm\" "
1519                         "and prefix all directives with \"rwm-\").\n",
1520                         fname, lineno );
1521 #endif
1522
1523                 return 1;
1524
1525         /* anything else */
1526         } else {
1527                 return SLAP_CONF_UNKNOWN;
1528         }
1529
1530         return 0;
1531 }
1532
1533 static int
1534 ldap_back_exop_whoami(
1535                 Operation       *op,
1536                 SlapReply       *rs )
1537 {
1538         struct berval *bv = NULL;
1539
1540         if ( op->oq_extended.rs_reqdata != NULL ) {
1541                 /* no request data should be provided */
1542                 rs->sr_text = "no request data expected";
1543                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1544         }
1545
1546         rs->sr_err = backend_check_restrictions( op, rs,
1547                         (struct berval *)&slap_EXOP_WHOAMI );
1548         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1549
1550         /* if auth'd by back-ldap and request is proxied, forward it */
1551         if ( op->o_conn->c_authz_backend && !strcmp(op->o_conn->c_authz_backend->be_type, "ldap" ) && !dn_match(&op->o_ndn, &op->o_conn->c_ndn)) {
1552                 struct ldapconn *lc;
1553
1554                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1555                 LDAPMessage *res;
1556                 Operation op2 = *op;
1557                 ber_int_t msgid;
1558                 int doretry = 1;
1559
1560                 ctrls[0] = &c;
1561                 op2.o_ndn = op->o_conn->c_ndn;
1562                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1563                 if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) {
1564                         return -1;
1565                 }
1566                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1567                 c.ldctl_iscritical = 1;
1568                 c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4);
1569                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1570                 strcpy(c.ldctl_value.bv_val, "dn:");
1571                 strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val);
1572
1573 retry:
1574                 rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid);
1575                 if (rs->sr_err == LDAP_SUCCESS) {
1576                         if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) {
1577                                 ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1578                                         &rs->sr_err);
1579                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1580                                         doretry = 0;
1581                                         if ( ldap_back_retry( lc, op, rs, LDAP_BACK_SENDERR ) )
1582                                                 goto retry;
1583                                 }
1584                                 ldap_back_freeconn( op, lc );
1585                                 lc = NULL;
1586
1587                         } else {
1588                                 rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv);
1589                                 ldap_msgfree(res);
1590                         }
1591                 }
1592                 ch_free(c.ldctl_value.bv_val);
1593                 if (rs->sr_err != LDAP_SUCCESS) {
1594                         rs->sr_err = slap_map_api2result( rs );
1595                 }
1596
1597                 if ( lc != NULL ) {
1598                         ldap_back_release_conn( &op2, rs, lc );
1599                 }
1600
1601         } else {
1602         /* else just do the same as before */
1603                 bv = (struct berval *) ch_malloc( sizeof(struct berval) );
1604                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1605                         bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1;
1606                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1607                         AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 );
1608                         AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val,
1609                                 op->o_dn.bv_len );
1610                         bv->bv_val[bv->bv_len] = '\0';
1611                 } else {
1612                         bv->bv_len = 0;
1613                         bv->bv_val = NULL;
1614                 }
1615         }
1616
1617         rs->sr_rspdata = bv;
1618         return rs->sr_err;
1619 }
1620
1621
1622 static int
1623 parse_idassert(
1624     BackendDB   *be,
1625     const char  *fname,
1626     int         lineno,
1627     int         argc,
1628     char        **argv
1629 )
1630 {
1631         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1632
1633         /* identity assertion mode */
1634         if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) {
1635                 if ( argc < 2 ) {
1636                         Debug( LDAP_DEBUG_ANY,
1637                                 "%s: line %d: illegal args number %d in \"idassert-mode <args> [<flag> [...]]\" line.\n",
1638                                 fname, lineno, argc );
1639                         return 1;
1640                 }
1641
1642                 if ( strcasecmp( argv[1], "legacy" ) == 0 ) {
1643                         /* will proxyAuthz as client's identity only if bound */
1644                         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
1645
1646                 } else if ( strcasecmp( argv[1], "self" ) == 0 ) {
1647                         /* will proxyAuthz as client's identity */
1648                         li->idassert_mode = LDAP_BACK_IDASSERT_SELF;
1649
1650                 } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) {
1651                         /* will proxyAuthz as anonymous */
1652                         li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS;
1653
1654                 } else if ( strcasecmp( argv[1], "none" ) == 0 ) {
1655                         /* will not proxyAuthz */
1656                         li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT;
1657
1658                 } else {
1659                         struct berval   id;
1660                         int             rc;
1661
1662                         /* will proxyAuthz as argv[1] */
1663                         ber_str2bv( argv[1], 0, 0, &id );
1664
1665                         if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) {
1666                                 /* force lowercase... */
1667                                 id.bv_val[0] = 'u';
1668                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
1669                                 ber_dupbv( &li->idassert_authzID, &id );
1670
1671                         } else {
1672                                 struct berval   dn;
1673
1674                                 /* default is DN? */
1675                                 if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1676                                         id.bv_val += STRLENOF( "dn:" );
1677                                         id.bv_len -= STRLENOF( "dn:" );
1678                                 }
1679
1680                                 rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL );
1681                                 if ( rc != LDAP_SUCCESS ) {
1682                                         Debug( LDAP_DEBUG_ANY,
1683                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1684                                                 fname, lineno, argv[1] );
1685                                         return 1;
1686                                 }
1687
1688                                 li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len;
1689                                 li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 );
1690                                 AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1691                                 AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 );
1692                                 ch_free( dn.bv_val );
1693
1694                                 li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
1695                         }
1696                 }
1697
1698                 for ( argc -= 2, argv += 2; argc--; argv++ ) {
1699                         if ( strcasecmp( argv[0], "override" ) == 0 ) {
1700                                 li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1701
1702                         } else {
1703                                 Debug( LDAP_DEBUG_ANY,
1704                                         "%s: line %d: unknown flag \"%s\" "
1705                                         "in \"idassert-mode <args> "
1706                                         "[<flags>]\" line.\n",
1707                                         fname, lineno, argv[0] );
1708                                 return 1;
1709                         }
1710                 }
1711
1712         /* name to use for proxyAuthz propagation */
1713         } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0
1714                         || strcasecmp( argv[0], "proxyauthzdn" ) == 0 )
1715         {
1716                 struct berval   dn;
1717                 int             rc;
1718
1719                 /* FIXME: "proxyauthzdn" is no longer documented, and
1720                  * temporarily supported for backwards compatibility */
1721
1722                 if ( argc != 2 ) {
1723                         fprintf( stderr,
1724         "%s: line %d: missing name in \"%s <name>\" line\n",
1725                             fname, lineno, argv[0] );
1726                         return( 1 );
1727                 }
1728
1729                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1730                         fprintf( stderr, "%s: line %d: "
1731                                         "authcDN already defined; replacing...\n",
1732                                         fname, lineno );
1733                         ch_free( li->idassert_authcDN.bv_val );
1734                 }
1735
1736                 ber_str2bv( argv[1], 0, 0, &dn );
1737                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1738                 if ( rc != LDAP_SUCCESS ) {
1739                         Debug( LDAP_DEBUG_ANY,
1740                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1741                                 fname, lineno, argv[1] );
1742                         return 1;
1743                 }
1744
1745         /* password to use for proxyAuthz propagation */
1746         } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0
1747                         || strcasecmp( argv[0], "proxyauthzpw" ) == 0 )
1748         {
1749                 /* FIXME: "proxyauthzpw" is no longer documented, and
1750                  * temporarily supported for backwards compatibility */
1751
1752                 if ( argc != 2 ) {
1753                         fprintf( stderr,
1754         "%s: line %d: missing password in \"%s <password>\" line\n",
1755                             fname, lineno, argv[0] );
1756                         return( 1 );
1757                 }
1758
1759                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1760                         fprintf( stderr, "%s: line %d: "
1761                                         "passwd already defined; replacing...\n",
1762                                         fname, lineno );
1763                         ch_free( li->idassert_passwd.bv_val );
1764                 }
1765
1766                 ber_str2bv( argv[1], 0, 1, &li->idassert_passwd );
1767
1768         /* rules to accept identity assertion... */
1769         } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) {
1770                 struct berval   rule;
1771
1772                 ber_str2bv( argv[1], 0, 1, &rule );
1773
1774                 ber_bvarray_add( &li->idassert_authz, &rule );
1775
1776         } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) {
1777                 char    *argv1;
1778
1779                 if ( argc < 2 ) {
1780                         fprintf( stderr,
1781         "%s: line %d: missing method in \"%s <method>\" line\n",
1782                             fname, lineno, argv[0] );
1783                         return( 1 );
1784                 }
1785
1786                 argv1 = argv[1];
1787                 if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) {
1788                         argv1 += STRLENOF( "bindmethod=" );
1789                 }
1790
1791                 if ( strcasecmp( argv1, "none" ) == 0 ) {
1792                         /* FIXME: is this at all useful? */
1793                         li->idassert_authmethod = LDAP_AUTH_NONE;
1794
1795                         if ( argc != 2 ) {
1796                                 fprintf( stderr,
1797         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
1798                                         fname, lineno, argv[0], argv[1] );
1799                         }
1800
1801                 } else if ( strcasecmp( argv1, "simple" ) == 0 ) {
1802                         int     arg;
1803
1804                         for ( arg = 2; arg < argc; arg++ ) {
1805                                 if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
1806                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
1807                                         struct berval   dn;
1808                                         int             rc;
1809
1810                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1811                                                 fprintf( stderr, "%s: line %d: "
1812                                                                 "SASL authcDN already defined; replacing...\n",
1813                                                                 fname, lineno );
1814                                                 ch_free( li->idassert_authcDN.bv_val );
1815                                         }
1816                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1817                                                 val += STRLENOF( "dn:" );
1818                                         }
1819
1820                                         ber_str2bv( val, 0, 0, &dn );
1821                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1822                                         if ( rc != LDAP_SUCCESS ) {
1823                                                 Debug( LDAP_DEBUG_ANY,
1824                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
1825                                                         fname, lineno, val );
1826                                                 return 1;
1827                                         }
1828
1829                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
1830                                         char    *val = argv[arg] + STRLENOF( "cred=" );
1831
1832                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1833                                                 fprintf( stderr, "%s: line %d: "
1834                                                                 "SASL cred already defined; replacing...\n",
1835                                                                 fname, lineno );
1836                                                 ch_free( li->idassert_passwd.bv_val );
1837                                         }
1838                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
1839
1840                                 } else {
1841                                         fprintf( stderr, "%s: line %d: "
1842                                                         "unknown parameter %s\n",
1843                                                         fname, lineno, argv[arg] );
1844                                         return 1;
1845                                 }
1846                         }
1847
1848                         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
1849
1850                 } else if ( strcasecmp( argv1, "sasl" ) == 0 ) {
1851 #ifdef HAVE_CYRUS_SASL
1852                         int     arg;
1853
1854                         for ( arg = 2; arg < argc; arg++ ) {
1855                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
1856                                         char    *val = argv[arg] + STRLENOF( "mech=" );
1857
1858                                         if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
1859                                                 fprintf( stderr, "%s: line %d: "
1860                                                                 "SASL mech already defined; replacing...\n",
1861                                                                 fname, lineno );
1862                                                 ch_free( li->idassert_sasl_mech.bv_val );
1863                                         }
1864                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_mech );
1865
1866                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
1867                                         char    *val = argv[arg] + STRLENOF( "realm=" );
1868
1869                                         if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
1870                                                 fprintf( stderr, "%s: line %d: "
1871                                                                 "SASL realm already defined; replacing...\n",
1872                                                                 fname, lineno );
1873                                                 ch_free( li->idassert_sasl_realm.bv_val );
1874                                         }
1875                                         ber_str2bv( val, 0, 1, &li->idassert_sasl_realm );
1876
1877                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
1878                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
1879                                         struct berval   dn;
1880                                         int             rc;
1881
1882                                         if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
1883                                                 fprintf( stderr, "%s: line %d: "
1884                                                                 "SASL authcDN already defined; replacing...\n",
1885                                                                 fname, lineno );
1886                                                 ch_free( li->idassert_authcDN.bv_val );
1887                                         }
1888                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1889                                                 val += STRLENOF( "dn:" );
1890                                         }
1891
1892                                         ber_str2bv( val, 0, 0, &dn );
1893                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL );
1894                                         if ( rc != LDAP_SUCCESS ) {
1895                                                 Debug( LDAP_DEBUG_ANY,
1896                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
1897                                                         fname, lineno, val );
1898                                                 return 1;
1899                                         }
1900
1901                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
1902                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
1903
1904                                         if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
1905                                                 fprintf( stderr, "%s: line %d: "
1906                                                                 "SASL authcID already defined; replacing...\n",
1907                                                                 fname, lineno );
1908                                                 ch_free( li->idassert_authcID.bv_val );
1909                                         }
1910                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
1911                                                 val += STRLENOF( "u:" );
1912                                         }
1913                                         ber_str2bv( val, 0, 1, &li->idassert_authcID );
1914
1915                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
1916                                         char    *val = argv[arg] + STRLENOF( "cred=" );
1917
1918                                         if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
1919                                                 fprintf( stderr, "%s: line %d: "
1920                                                                 "SASL cred already defined; replacing...\n",
1921                                                                 fname, lineno );
1922                                                 ch_free( li->idassert_passwd.bv_val );
1923                                         }
1924                                         ber_str2bv( val, 0, 1, &li->idassert_passwd );
1925
1926                                 } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1927                                         char    *val = argv[arg] + STRLENOF( "authz=" );
1928
1929                                         if ( strcasecmp( val, "proxyauthz" ) == 0 ) {
1930                                                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1931
1932                                         } else if ( strcasecmp( val, "native" ) == 0 ) {
1933                                                 li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1934
1935                                         } else {
1936                                                 fprintf( stderr, "%s: line %d: "
1937                                                         "unknown authz mode \"%s\"\n",
1938                                                         fname, lineno, val );
1939                                                 return 1;
1940                                         }
1941
1942                                 } else {
1943                                         fprintf( stderr, "%s: line %d: "
1944                                                         "unknown SASL parameter %s\n",
1945                                                         fname, lineno, argv[arg] );
1946                                         return 1;
1947                                 }
1948                         }
1949
1950                         li->idassert_authmethod = LDAP_AUTH_SASL;
1951
1952 #else /* !HAVE_CYRUS_SASL */
1953                         fprintf( stderr, "%s: line %d: "
1954                                         "compile --with-cyrus-sasl to enable SASL auth\n",
1955                                         fname, lineno );
1956                         return 1;
1957 #endif /* !HAVE_CYRUS_SASL */
1958
1959                 } else {
1960                         fprintf( stderr, "%s: line %d: "
1961                                         "unhandled idassert-method method %s\n",
1962                                         fname, lineno, argv[1] );
1963                         return 1;
1964                 }
1965
1966         } else {
1967                 return SLAP_CONF_UNKNOWN;
1968         }
1969
1970         return 0;
1971 }
1972
1973 static int
1974 parse_acl_auth(
1975     BackendDB   *be,
1976     const char  *fname,
1977     int         lineno,
1978     int         argc,
1979     char        **argv
1980 )
1981 {
1982         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
1983
1984         /* name to use for remote ACL access */
1985         if ( strcasecmp( argv[0], "acl-authcdn" ) == 0
1986                         || strcasecmp( argv[0], "binddn" ) == 0 )
1987         {
1988                 struct berval   dn;
1989                 int             rc;
1990
1991                 /* FIXME: "binddn" is no longer documented, and
1992                  * temporarily supported for backwards compatibility */
1993
1994                 if ( argc != 2 ) {
1995                         fprintf( stderr,
1996         "%s: line %d: missing name in \"%s <name>\" line\n",
1997                             fname, lineno, argv[0] );
1998                         return( 1 );
1999                 }
2000
2001                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
2002                         fprintf( stderr, "%s: line %d: "
2003                                         "authcDN already defined; replacing...\n",
2004                                         fname, lineno );
2005                         ch_free( li->acl_authcDN.bv_val );
2006                 }
2007
2008                 ber_str2bv( argv[1], 0, 0, &dn );
2009                 rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
2010                 if ( rc != LDAP_SUCCESS ) {
2011                         Debug( LDAP_DEBUG_ANY,
2012                                 "%s: line %d: acl ID \"%s\" is not a valid DN\n",
2013                                 fname, lineno, argv[1] );
2014                         return 1;
2015                 }
2016
2017         /* password to use for remote ACL access */
2018         } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0
2019                         || strcasecmp( argv[0], "bindpw" ) == 0 )
2020         {
2021                 /* FIXME: "bindpw" is no longer documented, and
2022                  * temporarily supported for backwards compatibility */
2023
2024                 if ( argc != 2 ) {
2025                         fprintf( stderr,
2026         "%s: line %d: missing password in \"%s <password>\" line\n",
2027                             fname, lineno, argv[0] );
2028                         return( 1 );
2029                 }
2030
2031                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
2032                         fprintf( stderr, "%s: line %d: "
2033                                         "passwd already defined; replacing...\n",
2034                                         fname, lineno );
2035                         ch_free( li->acl_passwd.bv_val );
2036                 }
2037
2038                 ber_str2bv( argv[1], 0, 1, &li->acl_passwd );
2039
2040         } else if ( strcasecmp( argv[0], "acl-method" ) == 0 ) {
2041                 char    *argv1;
2042
2043                 if ( argc < 2 ) {
2044                         fprintf( stderr,
2045         "%s: line %d: missing method in \"%s <method>\" line\n",
2046                             fname, lineno, argv[0] );
2047                         return( 1 );
2048                 }
2049
2050                 argv1 = argv[1];
2051                 if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) {
2052                         argv1 += STRLENOF( "bindmethod=" );
2053                 }
2054
2055                 if ( strcasecmp( argv1, "none" ) == 0 ) {
2056                         /* FIXME: is this at all useful? */
2057                         li->acl_authmethod = LDAP_AUTH_NONE;
2058
2059                         if ( argc != 2 ) {
2060                                 fprintf( stderr,
2061         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
2062                                         fname, lineno, argv[0], argv[1] );
2063                         }
2064
2065                 } else if ( strcasecmp( argv1, "simple" ) == 0 ) {
2066                         li->acl_authmethod = LDAP_AUTH_SIMPLE;
2067
2068                         if ( argc != 2 ) {
2069                                 fprintf( stderr,
2070         "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n",
2071                                         fname, lineno, argv[0], argv[1] );
2072                         }
2073
2074                 } else if ( strcasecmp( argv1, "sasl" ) == 0 ) {
2075 #ifdef HAVE_CYRUS_SASL
2076                         int     arg;
2077
2078                         for ( arg = 2; arg < argc; arg++ ) {
2079                                 if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) {
2080                                         char    *val = argv[arg] + STRLENOF( "mech=" );
2081
2082                                         if ( !BER_BVISNULL( &li->acl_sasl_mech ) ) {
2083                                                 fprintf( stderr, "%s: line %d: "
2084                                                                 "SASL mech already defined; replacing...\n",
2085                                                                 fname, lineno );
2086                                                 ch_free( li->acl_sasl_mech.bv_val );
2087                                         }
2088                                         ber_str2bv( val, 0, 1, &li->acl_sasl_mech );
2089
2090                                 } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) {
2091                                         char    *val = argv[arg] + STRLENOF( "realm=" );
2092
2093                                         if ( !BER_BVISNULL( &li->acl_sasl_realm ) ) {
2094                                                 fprintf( stderr, "%s: line %d: "
2095                                                                 "SASL realm already defined; replacing...\n",
2096                                                                 fname, lineno );
2097                                                 ch_free( li->acl_sasl_realm.bv_val );
2098                                         }
2099                                         ber_str2bv( val, 0, 1, &li->acl_sasl_realm );
2100
2101                                 } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) {
2102                                         char            *val = argv[arg] + STRLENOF( "authcdn=" );
2103                                         struct berval   dn;
2104                                         int             rc;
2105
2106                                         if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
2107                                                 fprintf( stderr, "%s: line %d: "
2108                                                                 "SASL authcDN already defined; replacing...\n",
2109                                                                 fname, lineno );
2110                                                 ch_free( li->acl_authcDN.bv_val );
2111                                         }
2112                                         if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
2113                                                 val += STRLENOF( "dn:" );
2114                                         }
2115
2116                                         ber_str2bv( val, 0, 0, &dn );
2117                                         rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL );
2118                                         if ( rc != LDAP_SUCCESS ) {
2119                                                 Debug( LDAP_DEBUG_ANY,
2120                                                         "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n",
2121                                                         fname, lineno, val );
2122                                                 return 1;
2123                                         }
2124
2125                                 } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) {
2126                                         char    *val = argv[arg] + STRLENOF( "authcid=" );
2127
2128                                         if ( !BER_BVISNULL( &li->acl_authcID ) ) {
2129                                                 fprintf( stderr, "%s: line %d: "
2130                                                                 "SASL authcID already defined; replacing...\n",
2131                                                                 fname, lineno );
2132                                                 ch_free( li->acl_authcID.bv_val );
2133                                         }
2134                                         if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) {
2135                                                 val += STRLENOF( "u:" );
2136                                         }
2137                                         ber_str2bv( val, 0, 1, &li->acl_authcID );
2138
2139                                 } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) {
2140                                         char    *val = argv[arg] + STRLENOF( "cred=" );
2141
2142                                         if ( !BER_BVISNULL( &li->acl_passwd ) ) {
2143                                                 fprintf( stderr, "%s: line %d: "
2144                                                                 "SASL cred already defined; replacing...\n",
2145                                                                 fname, lineno );
2146                                                 ch_free( li->acl_passwd.bv_val );
2147                                         }
2148                                         ber_str2bv( val, 0, 1, &li->acl_passwd );
2149
2150                                 } else {
2151                                         fprintf( stderr, "%s: line %d: "
2152                                                         "unknown SASL parameter %s\n",
2153                                                         fname, lineno, argv[arg] );
2154                                         return 1;
2155                                 }
2156                         }
2157
2158                         li->acl_authmethod = LDAP_AUTH_SASL;
2159
2160 #else /* !HAVE_CYRUS_SASL */
2161                         fprintf( stderr, "%s: line %d: "
2162                                         "compile --with-cyrus-sasl to enable SASL auth\n",
2163                                         fname, lineno );
2164                         return 1;
2165 #endif /* !HAVE_CYRUS_SASL */
2166
2167                 } else {
2168                         fprintf( stderr, "%s: line %d: "
2169                                         "unhandled acl-method method %s\n",
2170                                         fname, lineno, argv[1] );
2171                         return 1;
2172                 }
2173
2174         } else {
2175                 return SLAP_CONF_UNKNOWN;
2176         }
2177
2178         return 0;
2179 }
2180