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

   1 /* config.c - ldap backend configuration file routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2006 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/ctype.h>
  30 #include <ac/socket.h>
  31
  32 #include "slap.h"
  33 #include "config.h"
  34 #include "back-ldap.h"
  35 #include "lutil.h"
  36 #include "ldif.h"
  37 #undef ldap_debug
  38 /* for advanced URL parsing */
  39 #include "../../../libraries/libldap/ldap-int.h"
  40
  41 static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
  42
  43 static ConfigDriver ldap_back_cf_gen;
  44
  45 enum {
  46         LDAP_BACK_CFG_URI = 1,
  47         LDAP_BACK_CFG_TLS,
  48         LDAP_BACK_CFG_ACL_AUTHCDN,
  49         LDAP_BACK_CFG_ACL_PASSWD,
  50         LDAP_BACK_CFG_ACL_METHOD,
  51         LDAP_BACK_CFG_ACL_BIND,
  52         LDAP_BACK_CFG_IDASSERT_MODE,
  53         LDAP_BACK_CFG_IDASSERT_AUTHCDN,
  54         LDAP_BACK_CFG_IDASSERT_PASSWD,
  55         LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
  56         LDAP_BACK_CFG_IDASSERT_METHOD,
  57         LDAP_BACK_CFG_IDASSERT_BIND,
  58         LDAP_BACK_CFG_REBIND,
  59         LDAP_BACK_CFG_CHASE,
  60         LDAP_BACK_CFG_T_F,
  61         LDAP_BACK_CFG_WHOAMI,
  62         LDAP_BACK_CFG_TIMEOUT,
  63         LDAP_BACK_CFG_IDLE_TIMEOUT,
  64         LDAP_BACK_CFG_CONN_TTL,
  65         LDAP_BACK_CFG_NETWORK_TIMEOUT,
  66         LDAP_BACK_CFG_VERSION,
  67         LDAP_BACK_CFG_REWRITE,
  68
  69         LDAP_BACK_CFG_LAST
  70 };
  71
  72 static ConfigTable ldapcfg[] = {
  73         { "uri", "uri", 2, 2, 0,
  74                 ARG_MAGIC|LDAP_BACK_CFG_URI,
  75                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  76                         "NAME 'olcDbURI' "
  77                         "DESC 'URI (list) for remote DSA' "
  78                         "SYNTAX OMsDirectoryString "
  79                         "SINGLE-VALUE )",
  80                 NULL, NULL },
  81         { "tls", "what", 2, 2, 0,
  82                 ARG_MAGIC|LDAP_BACK_CFG_TLS,
  83                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  84                         "NAME 'olcDbStartTLS' "
  85                         "DESC 'StartTLS' "
  86                         "SYNTAX OMsDirectoryString "
  87                         "SINGLE-VALUE )",
  88                 NULL, NULL },
  89         { "acl-authcDN", "DN", 2, 2, 0,
  90                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  91                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  92                         "NAME 'olcDbACLAuthcDn' "
  93                         "DESC 'Remote ACL administrative identity' "
  94                         "OBSOLETE "
  95                         "SYNTAX OMsDN "
  96                         "SINGLE-VALUE )",
  97                 NULL, NULL },
  98         /* deprecated, will be removed; aliases "acl-authcDN" */
  99         { "binddn", "DN", 2, 2, 0,
 100                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
 101                 ldap_back_cf_gen, NULL, NULL, NULL },
 102         { "acl-passwd", "cred", 2, 2, 0,
 103                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 104                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
 105                         "NAME 'olcDbACLPasswd' "
 106                         "DESC 'Remote ACL administrative identity credentials' "
 107                         "OBSOLETE "
 108                         "SYNTAX OMsDirectoryString "
 109                         "SINGLE-VALUE )",
 110                 NULL, NULL },
 111         /* deprecated, will be removed; aliases "acl-passwd" */
 112         { "bindpw", "cred", 2, 2, 0,
 113                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 114                 ldap_back_cf_gen, NULL, NULL, NULL },
 115         /* deprecated, will be removed; aliases "acl-bind" */
 116         { "acl-method", "args", 2, 0, 0,
 117                 ARG_MAGIC|LDAP_BACK_CFG_ACL_METHOD,
 118                 ldap_back_cf_gen, NULL, NULL, NULL },
 119         { "acl-bind", "args", 2, 0, 0,
 120                 ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 121                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 122                         "NAME 'olcDbACLBind' "
 123                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 124                         "SYNTAX OMsDirectoryString "
 125                         "SINGLE-VALUE )",
 126                 NULL, NULL },
 127         { "idassert-authcDN", "DN", 2, 2, 0,
 128                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 129                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 130                         "NAME 'olcDbIDAssertAuthcDn' "
 131                         "DESC 'Remote Identity Assertion administrative identity' "
 132                         "OBSOLETE "
 133                         "SYNTAX OMsDN "
 134                         "SINGLE-VALUE )",
 135                 NULL, NULL },
 136         /* deprecated, will be removed; partially aliases "idassert-authcDN" */
 137         { "proxyauthzdn", "DN", 2, 2, 0,
 138                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 139                 ldap_back_cf_gen, NULL, NULL, NULL },
 140         { "idassert-passwd", "cred", 2, 2, 0,
 141                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 142                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 143                         "NAME 'olcDbIDAssertPasswd' "
 144                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 145                         "OBSOLETE "
 146                         "SYNTAX OMsDirectoryString "
 147                         "SINGLE-VALUE )",
 148                 NULL, NULL },
 149         /* deprecated, will be removed; partially aliases "idassert-passwd" */
 150         { "proxyauthzpw", "cred", 2, 2, 0,
 151                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 152                 ldap_back_cf_gen, NULL, NULL, NULL },
 153         { "idassert-bind", "args", 2, 0, 0,
 154                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 155                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 156                         "NAME 'olcDbIDAssertBind' "
 157                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 158                         "SYNTAX OMsDirectoryString "
 159                         "SINGLE-VALUE )",
 160                 NULL, NULL },
 161         { "idassert-method", "args", 2, 0, 0,
 162                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 163                 ldap_back_cf_gen, NULL, NULL, NULL },
 164         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 165                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 166                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 167                         "NAME 'olcDbIDAssertMode' "
 168                         "DESC 'Remote Identity Assertion mode' "
 169                         "OBSOLETE "
 170                         "SYNTAX OMsDirectoryString "
 171                         "SINGLE-VALUE)",
 172                 NULL, NULL },
 173         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 174                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 175                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 176                         "NAME 'olcDbIDAssertAuthzFrom' "
 177                         "DESC 'Remote Identity Assertion authz rules' "
 178                         "SYNTAX OMsDirectoryString "
 179                         "X-ORDERED 'VALUES' )",
 180                 NULL, NULL },
 181         { "rebind-as-user", "NO|yes", 1, 2, 0,
 182                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
 183                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 184                         "NAME 'olcDbRebindAsUser' "
 185                         "DESC 'Rebind as user' "
 186                         "SYNTAX OMsBoolean "
 187                         "SINGLE-VALUE )",
 188                 NULL, NULL },
 189         { "chase-referrals", "YES|no", 2, 2, 0,
 190                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
 191                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 192                         "NAME 'olcDbChaseReferrals' "
 193                         "DESC 'Chase referrals' "
 194                         "SYNTAX OMsBoolean "
 195                         "SINGLE-VALUE )",
 196                 NULL, NULL },
 197         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 198                 ARG_MAGIC|LDAP_BACK_CFG_T_F,
 199                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 200                         "NAME 'olcDbTFSupport' "
 201                         "DESC 'Absolute filters support' "
 202                         "SYNTAX OMsDirectoryString "
 203                         "SINGLE-VALUE )",
 204                 NULL, NULL },
 205         { "proxy-whoami", "NO|yes", 1, 2, 0,
 206                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
 207                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 208                         "NAME 'olcDbProxyWhoAmI' "
 209                         "DESC 'Proxy whoAmI exop' "
 210                         "SYNTAX OMsBoolean "
 211                         "SINGLE-VALUE )",
 212                 NULL, NULL },
 213         { "timeout", "timeout(list)", 2, 0, 0,
 214                 ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
 215                 ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
 216                         "NAME 'olcDbTimeout' "
 217                         "DESC 'Per-operation timeouts' "
 218                         "SYNTAX OMsDirectoryString "
 219                         "SINGLE-VALUE )",
 220                 NULL, NULL },
 221         { "idle-timeout", "timeout", 2, 0, 0,
 222                 ARG_MAGIC|LDAP_BACK_CFG_IDLE_TIMEOUT,
 223                 ldap_back_cf_gen, "( OLcfgDbAt:3.15 "
 224                         "NAME 'olcDbIdleTimeout' "
 225                         "DESC 'connection idle timeout' "
 226                         "SYNTAX OMsDirectoryString "
 227                         "SINGLE-VALUE )",
 228                 NULL, NULL },
 229         { "conn-ttl", "ttl", 2, 0, 0,
 230                 ARG_MAGIC|LDAP_BACK_CFG_CONN_TTL,
 231                 ldap_back_cf_gen, "( OLcfgDbAt:3.16 "
 232                         "NAME 'olcDbConnTtl' "
 233                         "DESC 'connection ttl' "
 234                         "SYNTAX OMsDirectoryString "
 235                         "SINGLE-VALUE )",
 236                 NULL, NULL },
 237         { "network-timeout", "timeout", 2, 0, 0,
 238                 ARG_MAGIC|LDAP_BACK_CFG_NETWORK_TIMEOUT,
 239                 ldap_back_cf_gen, "( OLcfgDbAt:3.17 "
 240                         "NAME 'olcDbNetworkTimeout' "
 241                         "DESC 'connection network timeout' "
 242                         "SYNTAX OMsDirectoryString "
 243                         "SINGLE-VALUE )",
 244                 NULL, NULL },
 245         { "protocol-version", "version", 2, 0, 0,
 246                 ARG_MAGIC|ARG_INT|LDAP_BACK_CFG_VERSION,
 247                 ldap_back_cf_gen, "( OLcfgDbAt:3.18 "
 248                         "NAME 'olcDbProtocolVersion' "
 249                         "DESC 'protocol version' "
 250                         "SYNTAX OMsInteger "
 251                         "SINGLE-VALUE )",
 252                 NULL, NULL },
 253         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 254                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 255                 ldap_back_cf_gen, NULL, NULL, NULL },
 256         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 257                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 258                 ldap_back_cf_gen, NULL, NULL, NULL },
 259         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 260                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 261                 ldap_back_cf_gen, NULL, NULL, NULL },
 262         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 263                 NULL, NULL, NULL, NULL }
 264 };
 265
 266 static ConfigOCs ldapocs[] = {
 267         { "( OLcfgDbOc:3.1 "
 268                 "NAME 'olcLDAPConfig' "
 269                 "DESC 'LDAP backend configuration' "
 270                 "SUP olcDatabaseConfig "
 271                 "MUST olcDbURI "
 272                 "MAY ( olcDbStartTLS "
 273                         "$ olcDbACLAuthcDn "
 274                         "$ olcDbACLPasswd "
 275                         "$ olcDbACLBind "
 276                         "$ olcDbIDAssertAuthcDn "
 277                         "$ olcDbIDAssertPasswd "
 278                         "$ olcDbIDAssertBind "
 279                         "$ olcDbIDAssertMode "
 280                         "$ olcDbIDAssertAuthzFrom "
 281                         "$ olcDbRebindAsUser "
 282                         "$ olcDbChaseReferrals "
 283                         "$ olcDbTFSupport "
 284                         "$ olcDbProxyWhoAmI "
 285                         "$ olcDbTimeout "
 286                         "$ olcDbIdleTimeout "
 287                 ") )",
 288                         Cft_Database, ldapcfg},
 289         { NULL, 0, NULL }
 290 };
 291
 292 static slap_verbmasks idassert_mode[] = {
 293         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 294         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 295         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 296         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 297         { BER_BVNULL,                   0 }
 298 };
 299
 300 static slap_verbmasks tls_mode[] = {
 301         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 302         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 303         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 304         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 305         { BER_BVC( "none" ),            LDAP_BACK_F_NONE },
 306         { BER_BVNULL,                   0 }
 307 };
 308
 309 static slap_verbmasks t_f_mode[] = {
 310         { BER_BVC( "yes" ),             LDAP_BACK_F_SUPPORT_T_F },
 311         { BER_BVC( "discover" ),        LDAP_BACK_F_SUPPORT_T_F_DISCOVER },
 312         { BER_BVC( "no" ),              LDAP_BACK_F_NONE },
 313         { BER_BVNULL,                   0 }
 314 };
 315
 316 static slap_cf_aux_table timeout_table[] = {
 317         { BER_BVC("add="), 0 * sizeof( time_t ), 'u', 0, NULL },
 318         { BER_BVC("delete="), 1 * sizeof( time_t ), 'u', 0, NULL },
 319         { BER_BVC("modify="), 2 * sizeof( time_t ), 'u', 0, NULL },
 320         { BER_BVC("modrdn="), 3 * sizeof( time_t ), 'u', 0, NULL },
 321         { BER_BVNULL, 0, 0, 0, NULL }
 322 };
 323
 324 static int
 325 ldap_back_cf_gen( ConfigArgs *c )
 326 {
 327         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 328         int             rc;
 329         int             i;
 330
 331         if ( c->op == SLAP_CONFIG_EMIT ) {
 332                 struct berval   bv = BER_BVNULL;
 333                 rc = 0;
 334
 335                 if ( li == NULL ) {
 336                         return 1;
 337                 }
 338
 339                 switch( c->type ) {
 340                 case LDAP_BACK_CFG_URI:
 341                         if ( li->li_uri != NULL ) {
 342                                 struct berval   bv;
 343
 344                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 345                                 value_add_one( &c->rvalue_vals, &bv );
 346
 347                         } else {
 348                                 rc = 1;
 349                         }
 350                         break;
 351
 352                 case LDAP_BACK_CFG_TLS:
 353                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 354                         assert( !BER_BVISNULL( &bv ) );
 355                         value_add_one( &c->rvalue_vals, &bv );
 356                         break;
 357
 358                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 359                 case LDAP_BACK_CFG_ACL_PASSWD:
 360                 case LDAP_BACK_CFG_ACL_METHOD:
 361                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 362                         rc = 1;
 363                         break;
 364
 365                 case LDAP_BACK_CFG_ACL_BIND: {
 366                         int     i;
 367
 368                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 369                                 return 1;
 370                         }
 371
 372                         bindconf_unparse( &li->li_acl, &bv );
 373
 374                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 375                                 /* count spaces */ ;
 376
 377                         if ( i ) {
 378                                 bv.bv_len -= i;
 379                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 380                                         bv.bv_len + 1 );
 381                         }
 382
 383                         ber_bvarray_add( &c->rvalue_vals, &bv );
 384                         break;
 385                 }
 386
 387                 case LDAP_BACK_CFG_IDASSERT_MODE:
 388                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 389                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 390                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 391                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 392                         rc = 1;
 393                         break;
 394
 395                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 396                         int             i;
 397
 398                         if ( li->li_idassert_authz == NULL ) {
 399                                 rc = 1;
 400                                 break;
 401                         }
 402
 403                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 404                         {
 405                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 406                         }
 407                         break;
 408                 }
 409
 410                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 411                         int             i;
 412                         struct berval   bc = BER_BVNULL;
 413                         char            *ptr;
 414
 415                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 416                                 return 1;
 417                         }
 418
 419                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 420                                 ber_len_t       len;
 421
 422                                 switch ( li->li_idassert_mode ) {
 423                                 case LDAP_BACK_IDASSERT_OTHERID:
 424                                 case LDAP_BACK_IDASSERT_OTHERDN:
 425                                         break;
 426
 427                                 default: {
 428                                         struct berval   mode = BER_BVNULL;
 429
 430                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 431                                         if ( BER_BVISNULL( &mode ) ) {
 432                                                 /* there's something wrong... */
 433                                                 assert( 0 );
 434                                                 rc = 1;
 435
 436                                         } else {
 437                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 438                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 439
 440                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 441                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 442                                         }
 443                                         break;
 444                                 }
 445                                 }
 446
 447                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 448                                         len = bv.bv_len + STRLENOF( "authz=native" );
 449
 450                                         if ( !BER_BVISEMPTY( &bv ) ) {
 451                                                 len += STRLENOF( " " );
 452                                         }
 453
 454                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 455
 456                                         ptr = &bv.bv_val[ bv.bv_len ];
 457
 458                                         if ( !BER_BVISEMPTY( &bv ) ) {
 459                                                 ptr = lutil_strcopy( ptr, " " );
 460                                         }
 461
 462                                         (void)lutil_strcopy( ptr, "authz=native" );
 463                                 }
 464
 465                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override,obsolete-encoding-workaround" );
 466                                 /* flags */
 467                                 if ( !BER_BVISEMPTY( &bv ) ) {
 468                                         len += STRLENOF( " " );
 469                                 }
 470
 471                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 472
 473                                 ptr = &bv.bv_val[ bv.bv_len ];
 474
 475                                 if ( !BER_BVISEMPTY( &bv ) ) {
 476                                         ptr = lutil_strcopy( ptr, " " );
 477                                 }
 478
 479                                 ptr = lutil_strcopy( ptr, "flags=" );
 480
 481                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 482                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 483                                 } else {
 484                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 485                                 }
 486
 487                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 488                                         ptr = lutil_strcopy( ptr, ",override" );
 489                                 }
 490
 491                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 492                                         ptr = lutil_strcopy( ptr, ",obsolete-proxy-authz" );
 493
 494                                 } else if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 495                                         ptr = lutil_strcopy( ptr, ",obsolete-encoding-workaround" );
 496                                 }
 497
 498                                 bv.bv_len = ( ptr - bv.bv_val );
 499                                 /* end-of-flags */
 500                         }
 501
 502                         bindconf_unparse( &li->li_idassert, &bc );
 503
 504                         if ( !BER_BVISNULL( &bv ) ) {
 505                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 506
 507                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 508
 509                                 assert( bc.bv_val[ 0 ] == ' ' );
 510
 511                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 512                                 free( bc.bv_val );
 513                                 bv.bv_len = ptr - bv.bv_val;
 514
 515                         } else {
 516                                 for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
 517                                         /* count spaces */ ;
 518
 519                                 if ( i ) {
 520                                         bc.bv_len -= i;
 521                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 522                                 }
 523
 524                                 bv = bc;
 525                         }
 526
 527                         ber_bvarray_add( &c->rvalue_vals, &bv );
 528
 529                         break;
 530                 }
 531
 532                 case LDAP_BACK_CFG_REBIND:
 533                         c->value_int = LDAP_BACK_SAVECRED( li );
 534                         break;
 535
 536                 case LDAP_BACK_CFG_CHASE:
 537                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 538                         break;
 539
 540                 case LDAP_BACK_CFG_T_F:
 541                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_SUPPORT_T_F_MASK), &bv );
 542                         if ( BER_BVISNULL( &bv ) ) {
 543                                 /* there's something wrong... */
 544                                 assert( 0 );
 545                                 rc = 1;
 546
 547                         } else {
 548                                 value_add_one( &c->rvalue_vals, &bv );
 549                         }
 550                         break;
 551
 552                 case LDAP_BACK_CFG_WHOAMI:
 553                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 554                         break;
 555
 556                 case LDAP_BACK_CFG_TIMEOUT:
 557                         BER_BVZERO( &bv );
 558
 559                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 560                                 if ( li->li_timeout[ i ] != 0 ) {
 561                                         break;
 562                                 }
 563                         }
 564
 565                         if ( i == LDAP_BACK_OP_LAST ) {
 566                                 return 1;
 567                         }
 568
 569                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 570
 571                         if ( BER_BVISNULL( &bv ) ) {
 572                                 return 1;
 573                         }
 574
 575                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 576                                 /* count spaces */ ;
 577
 578                         if ( i ) {
 579                                 bv.bv_len -= i;
 580                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 581                                         bv.bv_len + 1 );
 582                         }
 583
 584                         ber_bvarray_add( &c->rvalue_vals, &bv );
 585                         break;
 586
 587                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 588                         char    buf[ SLAP_TEXT_BUFLEN ];
 589
 590                         if ( li->li_idle_timeout == 0 ) {
 591                                 return 1;
 592                         }
 593
 594                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 595                         ber_str2bv( buf, 0, 0, &bv );
 596                         value_add_one( &c->rvalue_vals, &bv );
 597                         } break;
 598
 599                 case LDAP_BACK_CFG_CONN_TTL: {
 600                         char    buf[ SLAP_TEXT_BUFLEN ];
 601
 602                         if ( li->li_conn_ttl == 0 ) {
 603                                 return 1;
 604                         }
 605
 606                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 607                         ber_str2bv( buf, 0, 0, &bv );
 608                         value_add_one( &c->rvalue_vals, &bv );
 609                         } break;
 610
 611                 case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
 612                         char    buf[ SLAP_TEXT_BUFLEN ];
 613
 614                         if ( li->li_network_timeout == 0 ) {
 615                                 return 1;
 616                         }
 617
 618                         snprintf( buf, sizeof( buf ), "%ld",
 619                                 (long)li->li_network_timeout );
 620                         ber_str2bv( buf, 0, 0, &bv );
 621                         value_add_one( &c->rvalue_vals, &bv );
 622                         } break;
 623
 624                 case LDAP_BACK_CFG_VERSION:
 625                         if ( li->li_version == 0 ) {
 626                                 return 1;
 627                         }
 628
 629                         c->value_int = li->li_version;
 630                         break;
 631
 632                 default:
 633                         /* FIXME: we need to handle all... */
 634                         assert( 0 );
 635                         break;
 636                 }
 637                 return rc;
 638
 639         } else if ( c->op == LDAP_MOD_DELETE ) {
 640                 rc = 0;
 641                 switch( c->type ) {
 642                 case LDAP_BACK_CFG_URI:
 643                         if ( li->li_uri != NULL ) {
 644                                 ch_free( li->li_uri );
 645                                 li->li_uri = NULL;
 646
 647                                 assert( li->li_bvuri != NULL );
 648                                 ber_bvarray_free( li->li_bvuri );
 649                                 li->li_bvuri = NULL;
 650                         }
 651
 652                         /* better cleanup the cached connections... */
 653                         /* NOTE: don't worry about locking: if we got here,
 654                          * other threads are suspended. */
 655                         if ( li->li_conninfo.lai_tree != NULL ) {
 656                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
 657                                 li->li_conninfo.lai_tree = NULL;
 658                         }
 659
 660                         break;
 661
 662                 case LDAP_BACK_CFG_TLS:
 663                         rc = 1;
 664                         break;
 665
 666                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 667                 case LDAP_BACK_CFG_ACL_PASSWD:
 668                 case LDAP_BACK_CFG_ACL_METHOD:
 669                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 670                         rc = 1;
 671                         break;
 672
 673                 case LDAP_BACK_CFG_ACL_BIND:
 674                         bindconf_free( &li->li_acl );
 675                         break;
 676
 677                 case LDAP_BACK_CFG_IDASSERT_MODE:
 678                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 679                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 680                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 681                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 682                         rc = 1;
 683                         break;
 684
 685                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
 686                         if ( li->li_idassert_authz != NULL ) {
 687                                 ber_bvarray_free( li->li_idassert_authz );
 688                                 li->li_idassert_authz = NULL;
 689                         }
 690                         break;
 691
 692                 case LDAP_BACK_CFG_IDASSERT_BIND:
 693                         bindconf_free( &li->li_idassert );
 694                         break;
 695
 696                 case LDAP_BACK_CFG_REBIND:
 697                 case LDAP_BACK_CFG_CHASE:
 698                 case LDAP_BACK_CFG_T_F:
 699                 case LDAP_BACK_CFG_WHOAMI:
 700                         rc = 1;
 701                         break;
 702
 703                 case LDAP_BACK_CFG_TIMEOUT:
 704                         for ( i = 0; i < LDAP_BACK_OP_LAST; i++ ) {
 705                                 li->li_timeout[ i ] = 0;
 706                         }
 707                         break;
 708
 709                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
 710                         li->li_idle_timeout = 0;
 711                         break;
 712
 713                 case LDAP_BACK_CFG_CONN_TTL:
 714                         li->li_conn_ttl = 0;
 715                         break;
 716
 717                 case LDAP_BACK_CFG_NETWORK_TIMEOUT:
 718                         li->li_network_timeout = 0;
 719                         break;
 720
 721                 case LDAP_BACK_CFG_VERSION:
 722                         li->li_version = 0;
 723                         break;
 724
 725                 default:
 726                         /* FIXME: we need to handle all... */
 727                         assert( 0 );
 728                         break;
 729                 }
 730                 return rc;
 731
 732         }
 733
 734         switch( c->type ) {
 735         case LDAP_BACK_CFG_URI: {
 736                 LDAPURLDesc     *tmpludp, *lud;
 737                 char            **urllist = NULL;
 738                 int             urlrc = LDAP_URL_SUCCESS, i;
 739
 740                 if ( li->li_uri != NULL ) {
 741                         ch_free( li->li_uri );
 742                         li->li_uri = NULL;
 743
 744                         assert( li->li_bvuri != NULL );
 745                         ber_bvarray_free( li->li_bvuri );
 746                         li->li_bvuri = NULL;
 747                 }
 748
 749                 /* PARANOID: DN and more are not required nor allowed */
 750                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t" );
 751                 if ( urlrc != LDAP_URL_SUCCESS ) {
 752                         char    *why;
 753
 754                         switch ( urlrc ) {
 755                         case LDAP_URL_ERR_MEM:
 756                                 why = "no memory";
 757                                 break;
 758                         case LDAP_URL_ERR_PARAM:
 759                                 why = "parameter is bad";
 760                                 break;
 761                         case LDAP_URL_ERR_BADSCHEME:
 762                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
 763                                 break;
 764                         case LDAP_URL_ERR_BADENCLOSURE:
 765                                 why = "URL is missing trailing \">\"";
 766                                 break;
 767                         case LDAP_URL_ERR_BADURL:
 768                                 why = "URL is bad";
 769                                 break;
 770                         case LDAP_URL_ERR_BADHOST:
 771                                 why = "host/port is bad";
 772                                 break;
 773                         case LDAP_URL_ERR_BADATTRS:
 774                                 why = "bad (or missing) attributes";
 775                                 break;
 776                         case LDAP_URL_ERR_BADSCOPE:
 777                                 why = "scope string is invalid (or missing)";
 778                                 break;
 779                         case LDAP_URL_ERR_BADFILTER:
 780                                 why = "bad or missing filter";
 781                                 break;
 782                         case LDAP_URL_ERR_BADEXTS:
 783                                 why = "bad or missing extensions";
 784                                 break;
 785                         default:
 786                                 why = "unknown reason";
 787                                 break;
 788                         }
 789                         snprintf( c->msg, sizeof( c->msg),
 790                                         "unable to parse uri \"%s\" "
 791                                         "in \"uri <uri>\" line: %s",
 792                                         c->value_string, why );
 793                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 794                         urlrc = 1;
 795                         goto done_url;
 796                 }
 797
 798                 for ( i = 0, tmpludp = lud;
 799                                 tmpludp;
 800                                 i++, tmpludp = tmpludp->lud_next )
 801                 {
 802                         if ( ( tmpludp->lud_dn != NULL
 803                                                 && tmpludp->lud_dn[0] != '\0' )
 804                                         || tmpludp->lud_attrs != NULL
 805                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
 806                                         || tmpludp->lud_filter != NULL
 807                                         || tmpludp->lud_exts != NULL )
 808                         {
 809                                 snprintf( c->msg, sizeof( c->msg ),
 810                                                 "warning, only protocol, "
 811                                                 "host and port allowed "
 812                                                 "in \"uri <uri>\" statement "
 813                                                 "for uri #%d of \"%s\"",
 814                                                 i, c->value_string );
 815                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 816                         }
 817                 }
 818
 819                 for ( i = 0, tmpludp = lud;
 820                                 tmpludp;
 821                                 i++, tmpludp = tmpludp->lud_next )
 822                         /* just count */
 823                         ;
 824                 urllist = ch_calloc( sizeof( char * ), i + 1 );
 825
 826                 for ( i = 0, tmpludp = lud;
 827                                 tmpludp;
 828                                 i++, tmpludp = tmpludp->lud_next )
 829                 {
 830                         LDAPURLDesc     tmplud;
 831
 832                         tmplud = *tmpludp;
 833                         tmplud.lud_dn = "";
 834                         tmplud.lud_attrs = NULL;
 835                         tmplud.lud_filter = NULL;
 836                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
 837                                 tmplud.lud_exts = NULL;
 838                                 tmplud.lud_crit_exts = 0;
 839                         }
 840
 841                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
 842
 843                         if ( urllist[ i ] == NULL ) {
 844                                 snprintf( c->msg, sizeof( c->msg),
 845                                         "unable to rebuild uri "
 846                                         "in \"uri <uri>\" statement "
 847                                         "for \"%s\"",
 848                                         c->argv[ 1 ] );
 849                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 850                                 urlrc = 1;
 851                                 goto done_url;
 852                         }
 853                 }
 854
 855                 li->li_uri = ldap_charray2str( urllist, " " );
 856                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
 857                         struct berval   bv;
 858
 859                         ber_str2bv( urllist[ i ], 0, 0, &bv );
 860                         ber_bvarray_add( &li->li_bvuri, &bv );
 861                         urllist[ i ] = NULL;
 862                 }
 863                 ldap_memfree( urllist );
 864                 urllist = NULL;
 865
 866 done_url:;
 867                 if ( urllist ) {
 868                         ldap_charray_free( urllist );
 869                 }
 870                 if ( lud ) {
 871                         ldap_free_urllist( lud );
 872                 }
 873                 if ( urlrc != LDAP_URL_SUCCESS ) {
 874                         return 1;
 875                 }
 876                 break;
 877         }
 878
 879         case LDAP_BACK_CFG_TLS:
 880                 i = verb_to_mask( c->argv[1], tls_mode );
 881                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
 882                         return 1;
 883                 }
 884                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
 885                 li->li_flags |= tls_mode[i].mask;
 886                 break;
 887
 888         case LDAP_BACK_CFG_ACL_AUTHCDN:
 889                 switch ( li->li_acl_authmethod ) {
 890                 case LDAP_AUTH_NONE:
 891                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 892                         break;
 893
 894                 case LDAP_AUTH_SIMPLE:
 895                         break;
 896
 897                 default:
 898                         snprintf( c->msg, sizeof( c->msg),
 899                                 "\"acl-authcDN <DN>\" incompatible "
 900                                 "with auth method %d",
 901                                 li->li_acl_authmethod );
 902                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 903                         return 1;
 904                 }
 905                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
 906                         free( li->li_acl_authcDN.bv_val );
 907                 }
 908                 ber_memfree_x( c->value_dn.bv_val, NULL );
 909                 li->li_acl_authcDN = c->value_ndn;
 910                 BER_BVZERO( &c->value_dn );
 911                 BER_BVZERO( &c->value_ndn );
 912                 break;
 913
 914         case LDAP_BACK_CFG_ACL_PASSWD:
 915                 switch ( li->li_acl_authmethod ) {
 916                 case LDAP_AUTH_NONE:
 917                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
 918                         break;
 919
 920                 case LDAP_AUTH_SIMPLE:
 921                         break;
 922
 923                 default:
 924                         snprintf( c->msg, sizeof( c->msg ),
 925                                 "\"acl-passwd <cred>\" incompatible "
 926                                 "with auth method %d",
 927                                 li->li_acl_authmethod );
 928                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 929                         return 1;
 930                 }
 931                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
 932                         free( li->li_acl_passwd.bv_val );
 933                 }
 934                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
 935                 break;
 936
 937         case LDAP_BACK_CFG_ACL_METHOD:
 938         case LDAP_BACK_CFG_ACL_BIND:
 939                 for ( i = 1; i < c->argc; i++ ) {
 940                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
 941                                 return 1;
 942                         }
 943                 }
 944                 break;
 945
 946         case LDAP_BACK_CFG_IDASSERT_MODE:
 947                 i = verb_to_mask( c->argv[1], idassert_mode );
 948                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
 949                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
 950                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
 951                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
 952                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
 953
 954                         } else {
 955                                 struct berval   id, ndn;
 956
 957                                 ber_str2bv( c->argv[1], 0, 0, &id );
 958
 959                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
 960                                         id.bv_val += STRLENOF( "dn:" );
 961                                         id.bv_len -= STRLENOF( "dn:" );
 962                                 }
 963
 964                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
 965                                 if ( rc != LDAP_SUCCESS ) {
 966                                         Debug( LDAP_DEBUG_ANY,
 967                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
 968                                                 c->fname, c->lineno, c->argv[1] );
 969                                         return 1;
 970                                 }
 971
 972                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
 973                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
 974                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
 975                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
 976                                 ch_free( ndn.bv_val );
 977
 978                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
 979                         }
 980
 981                 } else {
 982                         li->li_idassert_mode = idassert_mode[i].mask;
 983                 }
 984
 985                 if ( c->argc > 2 ) {
 986                         int     i;
 987
 988                         for ( i = 2; i < c->argc; i++ ) {
 989                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
 990                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
 991
 992                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
 993                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 994
 995                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
 996                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 997
 998                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-proxy-authz" ) == 0 ) {
 999                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1000                                                 Debug( LDAP_DEBUG_ANY,
1001                                                         "%s: line %d: \"obsolete-proxy-authz\" flag "
1002                                                         "in \"idassert-mode <args>\" "
1003                                                         "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1004                                                         c->fname, c->lineno, 0 );
1005                                                 return 1;
1006                                         }
1007                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1008
1009                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-encoding-workaround" ) == 0 ) {
1010                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1011                                                 Debug( LDAP_DEBUG_ANY,
1012                                                         "%s: line %d: \"obsolete-encoding-workaround\" flag "
1013                                                         "in \"idassert-mode <args>\" "
1014                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1015                                                         c->fname, c->lineno, 0 );
1016                                                 return 1;
1017                                         }
1018                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1019
1020                                 } else {
1021                                         Debug( LDAP_DEBUG_ANY,
1022                                                 "%s: line %d: unknown flag #%d "
1023                                                 "in \"idassert-mode <args> "
1024                                                 "[<flags>]\" line.\n",
1025                                                 c->fname, c->lineno, i - 2 );
1026                                         return 1;
1027                                 }
1028                         }
1029                 }
1030                 break;
1031
1032         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1033                 switch ( li->li_idassert_authmethod ) {
1034                 case LDAP_AUTH_NONE:
1035                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1036                         break;
1037
1038                 case LDAP_AUTH_SIMPLE:
1039                         break;
1040
1041                 default:
1042                         snprintf( c->msg, sizeof( c->msg ),
1043                                 "\"idassert-authcDN <DN>\" incompatible "
1044                                 "with auth method %d",
1045                                 li->li_idassert_authmethod );
1046                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1047                         return 1;
1048                 }
1049                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
1050                         free( li->li_idassert_authcDN.bv_val );
1051                 }
1052                 ber_memfree_x( c->value_dn.bv_val, NULL );
1053                 li->li_idassert_authcDN = c->value_ndn;
1054                 BER_BVZERO( &c->value_dn );
1055                 BER_BVZERO( &c->value_ndn );
1056                 break;
1057
1058         case LDAP_BACK_CFG_IDASSERT_PASSWD:
1059                 switch ( li->li_idassert_authmethod ) {
1060                 case LDAP_AUTH_NONE:
1061                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1062                         break;
1063
1064                 case LDAP_AUTH_SIMPLE:
1065                         break;
1066
1067                 default:
1068                         snprintf( c->msg, sizeof( c->msg ),
1069                                 "\"idassert-passwd <cred>\" incompatible "
1070                                 "with auth method %d",
1071                                 li->li_idassert_authmethod );
1072                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1073                         return 1;
1074                 }
1075                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
1076                         free( li->li_idassert_passwd.bv_val );
1077                 }
1078                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1079                 break;
1080
1081         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
1082                 struct berval   bv;
1083                 struct berval   in;
1084                 int             rc;
1085
1086                 ber_str2bv( c->argv[ 1 ], 0, 0, &in );
1087                 rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
1088                 if ( rc != LDAP_SUCCESS ) {
1089                         snprintf( c->msg, sizeof( c->msg ),
1090                                 "\"idassert-authzFrom <authz>\": "
1091                                 "invalid syntax" );
1092                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1093                         return 1;
1094                 }
1095                 ber_bvarray_add( &li->li_idassert_authz, &bv );
1096                 } break;
1097
1098         case LDAP_BACK_CFG_IDASSERT_METHOD:
1099                 /* no longer supported */
1100                 snprintf( c->msg, sizeof( c->msg ),
1101                         "\"idassert-method <args>\": "
1102                         "no longer supported; use \"idassert-bind\"" );
1103                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1104                 return 1;
1105
1106         case LDAP_BACK_CFG_IDASSERT_BIND:
1107                 for ( i = 1; i < c->argc; i++ ) {
1108                         if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
1109                                 char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
1110                                 int     j;
1111
1112                                 j = verb_to_mask( argvi, idassert_mode );
1113                                 if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
1114                                         snprintf( c->msg, sizeof( c->msg ),
1115                                                 "\"idassert-bind <args>\": "
1116                                                 "unknown mode \"%s\"",
1117                                                 argvi );
1118                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1119                                         return 1;
1120                                 }
1121
1122                                 li->li_idassert_mode = idassert_mode[ j ].mask;
1123
1124                         } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
1125                                 char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
1126
1127                                 if ( strcasecmp( argvi, "native" ) == 0 ) {
1128                                         if ( li->li_idassert_authmethod != LDAP_AUTH_SASL ) {
1129                                                 snprintf( c->msg, sizeof( c->msg ),
1130                                                         "\"idassert-bind <args>\": "
1131                                                         "authz=\"native\" incompatible "
1132                                                         "with auth method" );
1133                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1134                                                 return 1;
1135                                         }
1136                                         li->li_idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
1137
1138                                 } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
1139                                         li->li_idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
1140
1141                                 } else {
1142                                         snprintf( c->msg, sizeof( c->msg ),
1143                                                 "\"idassert-bind <args>\": "
1144                                                 "unknown authz \"%s\"",
1145                                                 argvi );
1146                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1147                                         return 1;
1148                                 }
1149
1150                         } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
1151                                 char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
1152                                 char    **flags = ldap_str2charray( argvi, "," );
1153                                 int     j;
1154
1155                                 if ( flags == NULL ) {
1156                                         snprintf( c->msg, sizeof( c->msg ),
1157                                                 "\"idassert-bind <args>\": "
1158                                                 "unable to parse flags \"%s\"",
1159                                                 argvi );
1160                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1161                                         return 1;
1162                                 }
1163
1164                                 for ( j = 0; flags[ j ] != NULL; j++ ) {
1165                                         if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
1166                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1167
1168                                         } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
1169                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1170
1171                                         } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
1172                                                 li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1173
1174                                         } else if ( strcasecmp( flags[ j ], "obsolete-proxy-authz" ) == 0 ) {
1175                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1176                                                         Debug( LDAP_DEBUG_ANY,
1177                                                                 "%s: line %d: \"obsolete-proxy-authz\" flag "
1178                                                                 "in \"idassert-mode <args>\" "
1179                                                                 "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1180                                                                 c->fname, c->lineno, 0 );
1181                                                         return 1;
1182                                                 }
1183                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1184
1185                                         } else if ( strcasecmp( flags[ j ], "obsolete-encoding-workaround" ) == 0 ) {
1186                                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1187                                                         Debug( LDAP_DEBUG_ANY,
1188                                                                 "%s: line %d: \"obsolete-encoding-workaround\" flag "
1189                                                                 "in \"idassert-mode <args>\" "
1190                                                                 "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1191                                                                 c->fname, c->lineno, 0 );
1192                                                         return 1;
1193                                                 }
1194                                                 li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1195
1196                                         } else {
1197                                                 snprintf( c->msg, sizeof( c->msg ),
1198                                                         "\"idassert-bind <args>\": "
1199                                                         "unknown flag \"%s\"",
1200                                                         flags[ j ] );
1201                                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1202                                                 ldap_charray_free( flags );
1203                                                 return 1;
1204                                         }
1205                                 }
1206
1207                                 ldap_charray_free( flags );
1208
1209                         } else if ( bindconf_parse( c->argv[ i ], &li->li_idassert ) ) {
1210                                 return 1;
1211                         }
1212                 }
1213                 break;
1214
1215         case LDAP_BACK_CFG_REBIND:
1216                 if ( c->argc == 1 || c->value_int ) {
1217                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1218
1219                 } else {
1220                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1221                 }
1222                 break;
1223
1224         case LDAP_BACK_CFG_CHASE:
1225                 if ( c->argc == 1 || c->value_int ) {
1226                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1227
1228                 } else {
1229                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1230                 }
1231                 break;
1232
1233         case LDAP_BACK_CFG_T_F:
1234                 i = verb_to_mask( c->argv[1], t_f_mode );
1235                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1236                         return 1;
1237                 }
1238                 li->li_flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK;
1239                 li->li_flags |= t_f_mode[i].mask;
1240                 break;
1241
1242         case LDAP_BACK_CFG_WHOAMI:
1243                 if ( c->argc == 1 || c->value_int ) {
1244                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1245                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1246                                         0, ldap_back_exop_whoami );
1247
1248                 } else {
1249                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1250                 }
1251                 break;
1252
1253         case LDAP_BACK_CFG_TIMEOUT:
1254                 for ( i = 1; i < c->argc; i++ ) {
1255                         if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1256                                 int             j;
1257                                 unsigned        u;
1258
1259                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1260                                         return 1;
1261                                 }
1262
1263                                 for ( j = 0; j < LDAP_BACK_OP_LAST; j++ ) {
1264                                         li->li_timeout[ j ] = u;
1265                                 }
1266
1267                                 continue;
1268                         }
1269
1270                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1271                                 return 1;
1272                         }
1273                 }
1274                 break;
1275
1276         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1277                 unsigned long   t;
1278
1279                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1280                         snprintf( c->msg, sizeof( c->msg),
1281                                 "unable to parse idle timeout \"%s\"",
1282                                 c->argv[ 1 ] );
1283                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1284                         return 1;
1285                 }
1286                 li->li_idle_timeout = (time_t)t;
1287                 } break;
1288
1289         case LDAP_BACK_CFG_CONN_TTL: {
1290                 unsigned long   t;
1291
1292                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1293                         snprintf( c->msg, sizeof( c->msg),
1294                                 "unable to parse conn ttl\"%s\"",
1295                                 c->argv[ 1 ] );
1296                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1297                         return 1;
1298                 }
1299                 li->li_conn_ttl = (time_t)t;
1300                 } break;
1301
1302         case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1303                 unsigned long   t;
1304
1305                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1306                         snprintf( c->msg, sizeof( c->msg),
1307                                 "unable to parse network timeout \"%s\"",
1308                                 c->argv[ 1 ] );
1309                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1310                         return 1;
1311                 }
1312                 li->li_network_timeout = (time_t)t;
1313                 } break;
1314
1315         case LDAP_BACK_CFG_VERSION:
1316                 switch ( c->value_int ) {
1317                 case 0:
1318                 case LDAP_VERSION2:
1319                 case LDAP_VERSION3:
1320                         li->li_version = c->value_int;
1321                         break;
1322
1323                 default:
1324                         return 1;
1325                 }
1326                 break;
1327
1328         case LDAP_BACK_CFG_REWRITE:
1329                 snprintf( c->msg, sizeof( c->msg ),
1330                         "rewrite/remap capabilities have been moved "
1331                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1332                         "for details (hint: add \"overlay rwm\" "
1333                         "and prefix all directives with \"rwm-\")" );
1334                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1335                 return 1;
1336
1337         default:
1338                 /* FIXME: try to catch inconsistencies */
1339                 assert( 0 );
1340                 break;
1341         }
1342
1343         return 0;
1344 }
1345
1346 int
1347 ldap_back_init_cf( BackendInfo *bi )
1348 {
1349         int                     rc;
1350         AttributeDescription    *ad = NULL;
1351         const char              *text;
1352
1353         /* Make sure we don't exceed the bits reserved for userland */
1354         config_check_userland( LDAP_BACK_CFG_LAST );
1355
1356         bi->bi_cf_ocs = ldapocs;
1357
1358         rc = config_register_schema( ldapcfg, ldapocs );
1359         if ( rc ) {
1360                 return rc;
1361         }
1362
1363         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1364          * to be base64-encoded when written in LDIF form;
1365          * basically, we don't care if it fails */
1366         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1367         if ( rc ) {
1368                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1369                         "warning, unable to get \"olcDbACLPasswd\" "
1370                         "attribute description: %d: %s\n",
1371                         rc, text, 0 );
1372         } else {
1373                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1374                         ad->ad_type->sat_oid );
1375         }
1376
1377         ad = NULL;
1378         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1379         if ( rc ) {
1380                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1381                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1382                         "attribute description: %d: %s\n",
1383                         rc, text, 0 );
1384         } else {
1385                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1386                         ad->ad_type->sat_oid );
1387         }
1388
1389         return 0;
1390 }
1391
1392
1393 static int
1394 ldap_back_exop_whoami(
1395                 Operation       *op,
1396                 SlapReply       *rs )
1397 {
1398         struct berval *bv = NULL;
1399
1400         if ( op->oq_extended.rs_reqdata != NULL ) {
1401                 /* no request data should be provided */
1402                 rs->sr_text = "no request data expected";
1403                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1404         }
1405
1406         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1407             op->o_log_prefix, 0, 0, 0, 0 );
1408
1409         rs->sr_err = backend_check_restrictions( op, rs,
1410                         (struct berval *)&slap_EXOP_WHOAMI );
1411         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1412
1413         /* if auth'd by back-ldap and request is proxied, forward it */
1414         if ( op->o_conn->c_authz_backend
1415                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1416                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1417         {
1418                 ldapconn_t      *lc;
1419                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1420                 LDAPMessage *res;
1421                 Operation op2 = *op;
1422                 ber_int_t msgid;
1423                 int doretry = 1;
1424                 char *ptr;
1425
1426                 ctrls[0] = &c;
1427                 op2.o_ndn = op->o_conn->c_ndn;
1428                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1429                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1430                         return -1;
1431                 }
1432                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1433                 c.ldctl_iscritical = 1;
1434                 c.ldctl_value.bv_val = op->o_tmpalloc(
1435                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1436                         op->o_tmpmemctx );
1437                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1438                 ptr = c.ldctl_value.bv_val;
1439                 ptr = lutil_strcopy( ptr, "dn:" );
1440                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1441                 ptr[ 0 ] = '\0';
1442
1443 retry:
1444                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1445                 if ( rs->sr_err == LDAP_SUCCESS ) {
1446                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1447                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1448                                         &rs->sr_err );
1449                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1450                                         doretry = 0;
1451                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1452                                                 goto retry;
1453                                         }
1454                                 }
1455
1456                         } else {
1457                                 /* NOTE: are we sure "bv" will be malloc'ed
1458                                  * with the appropriate memory? */
1459                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1460                                 ldap_msgfree(res);
1461                         }
1462                 }
1463                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1464                 if ( rs->sr_err != LDAP_SUCCESS ) {
1465                         rs->sr_err = slap_map_api2result( rs );
1466                 }
1467
1468                 if ( lc != NULL ) {
1469                         ldap_back_release_conn( &op2, rs, lc );
1470                 }
1471
1472         } else {
1473                 /* else just do the same as before */
1474                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1475                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1476                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1477                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1478                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1479                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1480                                 op->o_dn.bv_len );
1481                         bv->bv_val[ bv->bv_len ] = '\0';
1482
1483                 } else {
1484                         bv->bv_len = 0;
1485                         bv->bv_val = NULL;
1486                 }
1487         }
1488
1489         rs->sr_rspdata = bv;
1490         return rs->sr_err;
1491 }
1492
1493