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_SINGLECONN,
  68         LDAP_BACK_CFG_CANCEL,
  69         LDAP_BACK_CFG_QUARANTINE,
  70         LDAP_BACK_CFG_REWRITE,
  71
  72         LDAP_BACK_CFG_LAST
  73 };
  74
  75 static ConfigTable ldapcfg[] = {
  76         { "uri", "uri", 2, 2, 0,
  77                 ARG_MAGIC|LDAP_BACK_CFG_URI,
  78                 ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
  79                         "NAME 'olcDbURI' "
  80                         "DESC 'URI (list) for remote DSA' "
  81                         "SYNTAX OMsDirectoryString "
  82                         "SINGLE-VALUE )",
  83                 NULL, NULL },
  84         { "tls", "what", 2, 2, 0,
  85                 ARG_MAGIC|LDAP_BACK_CFG_TLS,
  86                 ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
  87                         "NAME 'olcDbStartTLS' "
  88                         "DESC 'StartTLS' "
  89                         "SYNTAX OMsDirectoryString "
  90                         "SINGLE-VALUE )",
  91                 NULL, NULL },
  92         { "acl-authcDN", "DN", 2, 2, 0,
  93                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
  94                 ldap_back_cf_gen, "( OLcfgDbAt:3.2 "
  95                         "NAME 'olcDbACLAuthcDn' "
  96                         "DESC 'Remote ACL administrative identity' "
  97                         "OBSOLETE "
  98                         "SYNTAX OMsDN "
  99                         "SINGLE-VALUE )",
 100                 NULL, NULL },
 101         /* deprecated, will be removed; aliases "acl-authcDN" */
 102         { "binddn", "DN", 2, 2, 0,
 103                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN,
 104                 ldap_back_cf_gen, NULL, NULL, NULL },
 105         { "acl-passwd", "cred", 2, 2, 0,
 106                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 107                 ldap_back_cf_gen, "( OLcfgDbAt:3.3 "
 108                         "NAME 'olcDbACLPasswd' "
 109                         "DESC 'Remote ACL administrative identity credentials' "
 110                         "OBSOLETE "
 111                         "SYNTAX OMsDirectoryString "
 112                         "SINGLE-VALUE )",
 113                 NULL, NULL },
 114         /* deprecated, will be removed; aliases "acl-passwd" */
 115         { "bindpw", "cred", 2, 2, 0,
 116                 ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD,
 117                 ldap_back_cf_gen, NULL, NULL, NULL },
 118         /* deprecated, will be removed; aliases "acl-bind" */
 119         { "acl-method", "args", 2, 0, 0,
 120                 ARG_MAGIC|LDAP_BACK_CFG_ACL_METHOD,
 121                 ldap_back_cf_gen, NULL, NULL, NULL },
 122         { "acl-bind", "args", 2, 0, 0,
 123                 ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
 124                 ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
 125                         "NAME 'olcDbACLBind' "
 126                         "DESC 'Remote ACL administrative identity auth bind configuration' "
 127                         "SYNTAX OMsDirectoryString "
 128                         "SINGLE-VALUE )",
 129                 NULL, NULL },
 130         { "idassert-authcDN", "DN", 2, 2, 0,
 131                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 132                 ldap_back_cf_gen, "( OLcfgDbAt:3.5 "
 133                         "NAME 'olcDbIDAssertAuthcDn' "
 134                         "DESC 'Remote Identity Assertion administrative identity' "
 135                         "OBSOLETE "
 136                         "SYNTAX OMsDN "
 137                         "SINGLE-VALUE )",
 138                 NULL, NULL },
 139         /* deprecated, will be removed; partially aliases "idassert-authcDN" */
 140         { "proxyauthzdn", "DN", 2, 2, 0,
 141                 ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN,
 142                 ldap_back_cf_gen, NULL, NULL, NULL },
 143         { "idassert-passwd", "cred", 2, 2, 0,
 144                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 145                 ldap_back_cf_gen, "( OLcfgDbAt:3.6 "
 146                         "NAME 'olcDbIDAssertPasswd' "
 147                         "DESC 'Remote Identity Assertion administrative identity credentials' "
 148                         "OBSOLETE "
 149                         "SYNTAX OMsDirectoryString "
 150                         "SINGLE-VALUE )",
 151                 NULL, NULL },
 152         /* deprecated, will be removed; partially aliases "idassert-passwd" */
 153         { "proxyauthzpw", "cred", 2, 2, 0,
 154                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD,
 155                 ldap_back_cf_gen, NULL, NULL, NULL },
 156         { "idassert-bind", "args", 2, 0, 0,
 157                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
 158                 ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
 159                         "NAME 'olcDbIDAssertBind' "
 160                         "DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
 161                         "SYNTAX OMsDirectoryString "
 162                         "SINGLE-VALUE )",
 163                 NULL, NULL },
 164         { "idassert-method", "args", 2, 0, 0,
 165                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_METHOD,
 166                 ldap_back_cf_gen, NULL, NULL, NULL },
 167         { "idassert-mode", "mode>|u:<user>|[dn:]<DN", 2, 0, 0,
 168                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_MODE,
 169                 ldap_back_cf_gen, "( OLcfgDbAt:3.8 "
 170                         "NAME 'olcDbIDAssertMode' "
 171                         "DESC 'Remote Identity Assertion mode' "
 172                         "OBSOLETE "
 173                         "SYNTAX OMsDirectoryString "
 174                         "SINGLE-VALUE)",
 175                 NULL, NULL },
 176         { "idassert-authzFrom", "authzRule", 2, 2, 0,
 177                 ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
 178                 ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
 179                         "NAME 'olcDbIDAssertAuthzFrom' "
 180                         "DESC 'Remote Identity Assertion authz rules' "
 181                         "SYNTAX OMsDirectoryString "
 182                         "X-ORDERED 'VALUES' )",
 183                 NULL, NULL },
 184         { "rebind-as-user", "NO|yes", 1, 2, 0,
 185                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
 186                 ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
 187                         "NAME 'olcDbRebindAsUser' "
 188                         "DESC 'Rebind as user' "
 189                         "SYNTAX OMsBoolean "
 190                         "SINGLE-VALUE )",
 191                 NULL, NULL },
 192         { "chase-referrals", "YES|no", 2, 2, 0,
 193                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
 194                 ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
 195                         "NAME 'olcDbChaseReferrals' "
 196                         "DESC 'Chase referrals' "
 197                         "SYNTAX OMsBoolean "
 198                         "SINGLE-VALUE )",
 199                 NULL, NULL },
 200         { "t-f-support", "NO|yes|discover", 2, 2, 0,
 201                 ARG_MAGIC|LDAP_BACK_CFG_T_F,
 202                 ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
 203                         "NAME 'olcDbTFSupport' "
 204                         "DESC 'Absolute filters support' "
 205                         "SYNTAX OMsDirectoryString "
 206                         "SINGLE-VALUE )",
 207                 NULL, NULL },
 208         { "proxy-whoami", "NO|yes", 1, 2, 0,
 209                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
 210                 ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
 211                         "NAME 'olcDbProxyWhoAmI' "
 212                         "DESC 'Proxy whoAmI exop' "
 213                         "SYNTAX OMsBoolean "
 214                         "SINGLE-VALUE )",
 215                 NULL, NULL },
 216         { "timeout", "timeout(list)", 2, 0, 0,
 217                 ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
 218                 ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
 219                         "NAME 'olcDbTimeout' "
 220                         "DESC 'Per-operation timeouts' "
 221                         "SYNTAX OMsDirectoryString "
 222                         "SINGLE-VALUE )",
 223                 NULL, NULL },
 224         { "idle-timeout", "timeout", 2, 0, 0,
 225                 ARG_MAGIC|LDAP_BACK_CFG_IDLE_TIMEOUT,
 226                 ldap_back_cf_gen, "( OLcfgDbAt:3.15 "
 227                         "NAME 'olcDbIdleTimeout' "
 228                         "DESC 'connection idle timeout' "
 229                         "SYNTAX OMsDirectoryString "
 230                         "SINGLE-VALUE )",
 231                 NULL, NULL },
 232         { "conn-ttl", "ttl", 2, 0, 0,
 233                 ARG_MAGIC|LDAP_BACK_CFG_CONN_TTL,
 234                 ldap_back_cf_gen, "( OLcfgDbAt:3.16 "
 235                         "NAME 'olcDbConnTtl' "
 236                         "DESC 'connection ttl' "
 237                         "SYNTAX OMsDirectoryString "
 238                         "SINGLE-VALUE )",
 239                 NULL, NULL },
 240         { "network-timeout", "timeout", 2, 0, 0,
 241                 ARG_MAGIC|LDAP_BACK_CFG_NETWORK_TIMEOUT,
 242                 ldap_back_cf_gen, "( OLcfgDbAt:3.17 "
 243                         "NAME 'olcDbNetworkTimeout' "
 244                         "DESC 'connection network timeout' "
 245                         "SYNTAX OMsDirectoryString "
 246                         "SINGLE-VALUE )",
 247                 NULL, NULL },
 248         { "protocol-version", "version", 2, 0, 0,
 249                 ARG_MAGIC|ARG_INT|LDAP_BACK_CFG_VERSION,
 250                 ldap_back_cf_gen, "( OLcfgDbAt:3.18 "
 251                         "NAME 'olcDbProtocolVersion' "
 252                         "DESC 'protocol version' "
 253                         "SYNTAX OMsInteger "
 254                         "SINGLE-VALUE )",
 255                 NULL, NULL },
 256         { "single-conn", "TRUE/FALSE", 2, 0, 0,
 257                 ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_SINGLECONN,
 258                 ldap_back_cf_gen, "( OLcfgDbAt:3.19 "
 259                         "NAME 'olcDbSingleConn' "
 260                         "DESC 'cache a single connection per identity' "
 261                         "SYNTAX OMsBoolean "
 262                         "SINGLE-VALUE )",
 263                 NULL, NULL },
 264         { "cancel", "ABANDON|ignore|exop", 2, 0, 0,
 265                 ARG_MAGIC|LDAP_BACK_CFG_CANCEL,
 266                 ldap_back_cf_gen, "( OLcfgDbAt:3.20 "
 267                         "NAME 'olcDbCancel' "
 268                         "DESC 'abandon/ignore/exop operations when appropriate' "
 269                         "SYNTAX OMsDirectoryString "
 270                         "SINGLE-VALUE )",
 271                 NULL, NULL },
 272         { "quarantine", "retrylist", 2, 0, 0,
 273                 ARG_MAGIC|LDAP_BACK_CFG_QUARANTINE,
 274                 ldap_back_cf_gen, "( OLcfgDbAt:3.21 "
 275                         "NAME 'olcDbQuarantine' "
 276                         "DESC 'Quarantine database if connection fails and retry according to rule' "
 277                         "SYNTAX OMsDirectoryString "
 278                         "SINGLE-VALUE )",
 279                 NULL, NULL },
 280         { "suffixmassage", "[virtual]> <real", 2, 3, 0,
 281                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 282                 ldap_back_cf_gen, NULL, NULL, NULL },
 283         { "map", "attribute|objectClass> [*|<local>] *|<remote", 3, 4, 0,
 284                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 285                 ldap_back_cf_gen, NULL, NULL, NULL },
 286         { "rewrite", "<arglist>", 2, 4, STRLENOF( "rewrite" ),
 287                 ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE,
 288                 ldap_back_cf_gen, NULL, NULL, NULL },
 289         { NULL, NULL, 0, 0, 0, ARG_IGNORED,
 290                 NULL, NULL, NULL, NULL }
 291 };
 292
 293 static ConfigOCs ldapocs[] = {
 294         { "( OLcfgDbOc:3.1 "
 295                 "NAME 'olcLDAPConfig' "
 296                 "DESC 'LDAP backend configuration' "
 297                 "SUP olcDatabaseConfig "
 298                 "MUST olcDbURI "
 299                 "MAY ( olcDbStartTLS "
 300                         "$ olcDbACLAuthcDn "
 301                         "$ olcDbACLPasswd "
 302                         "$ olcDbACLBind "
 303                         "$ olcDbIDAssertAuthcDn "
 304                         "$ olcDbIDAssertPasswd "
 305                         "$ olcDbIDAssertBind "
 306                         "$ olcDbIDAssertMode "
 307                         "$ olcDbIDAssertAuthzFrom "
 308                         "$ olcDbRebindAsUser "
 309                         "$ olcDbChaseReferrals "
 310                         "$ olcDbTFSupport "
 311                         "$ olcDbProxyWhoAmI "
 312                         "$ olcDbTimeout "
 313                         "$ olcDbIdleTimeout "
 314                         "$ olcDbSingleConn "
 315                         "$ olcDbCancel "
 316                         "$ olcDbQuarantine "
 317                 ") )",
 318                         Cft_Database, ldapcfg},
 319         { NULL, 0, NULL }
 320 };
 321
 322 static slap_verbmasks idassert_mode[] = {
 323         { BER_BVC("self"),              LDAP_BACK_IDASSERT_SELF },
 324         { BER_BVC("anonymous"),         LDAP_BACK_IDASSERT_ANONYMOUS },
 325         { BER_BVC("none"),              LDAP_BACK_IDASSERT_NOASSERT },
 326         { BER_BVC("legacy"),            LDAP_BACK_IDASSERT_LEGACY },
 327         { BER_BVNULL,                   0 }
 328 };
 329
 330 static slap_verbmasks tls_mode[] = {
 331         { BER_BVC( "propagate" ),       LDAP_BACK_F_TLS_PROPAGATE_MASK },
 332         { BER_BVC( "try-propagate" ),   LDAP_BACK_F_PROPAGATE_TLS },
 333         { BER_BVC( "start" ),           LDAP_BACK_F_TLS_USE_MASK },
 334         { BER_BVC( "try-start" ),       LDAP_BACK_F_USE_TLS },
 335         { BER_BVC( "none" ),            LDAP_BACK_F_NONE },
 336         { BER_BVNULL,                   0 }
 337 };
 338
 339 static slap_verbmasks t_f_mode[] = {
 340         { BER_BVC( "yes" ),             LDAP_BACK_F_T_F },
 341         { BER_BVC( "discover" ),        LDAP_BACK_F_T_F_DISCOVER },
 342         { BER_BVC( "no" ),              LDAP_BACK_F_NONE },
 343         { BER_BVNULL,                   0 }
 344 };
 345
 346 static slap_verbmasks cancel_mode[] = {
 347         { BER_BVC( "ignore" ),          LDAP_BACK_F_CANCEL_IGNORE },
 348         { BER_BVC( "exop" ),            LDAP_BACK_F_CANCEL_EXOP },
 349         { BER_BVC( "exop-discover" ),   LDAP_BACK_F_CANCEL_EXOP_DISCOVER },
 350         { BER_BVC( "abandon" ),         LDAP_BACK_F_CANCEL_ABANDON },
 351         { BER_BVNULL,                   0 }
 352 };
 353
 354 /* see enum in slap.h */
 355 static slap_cf_aux_table timeout_table[] = {
 356         { BER_BVC("bind="),     SLAP_OP_BIND * sizeof( time_t ),        'u', 0, NULL },
 357         /* unbind makes no sense */
 358         { BER_BVC("add="),      SLAP_OP_ADD * sizeof( time_t ),         'u', 0, NULL },
 359         { BER_BVC("delete="),   SLAP_OP_DELETE * sizeof( time_t ),      'u', 0, NULL },
 360         { BER_BVC("modrdn="),   SLAP_OP_MODRDN * sizeof( time_t ),      'u', 0, NULL },
 361         { BER_BVC("modify="),   SLAP_OP_MODIFY * sizeof( time_t ),      'u', 0, NULL },
 362         { BER_BVC("compare="),  SLAP_OP_COMPARE * sizeof( time_t ),     'u', 0, NULL },
 363 #if 0   /* uses timelimit instead */
 364         { BER_BVC("search="),   SLAP_OP_SEARCH * sizeof( time_t ),      'u', 0, NULL },
 365 #endif
 366         /* abandon makes little sense */
 367 #if 0   /* not implemented yet */
 368         { BER_BVC("extended="), SLAP_OP_EXTENDED * sizeof( time_t ),    'u', 0, NULL },
 369 #endif
 370         { BER_BVNULL, 0, 0, 0, NULL }
 371 };
 372
 373 int
 374 slap_retry_info_parse(
 375         char                    *in,
 376         slap_retry_info_t       *ri,
 377         char                    *buf,
 378         ber_len_t               buflen )
 379 {
 380         char                    **retrylist = NULL;
 381         int                     rc = 0;
 382         int                     i;
 383
 384         slap_str2clist( &retrylist, in, " ;" );
 385         if ( retrylist == NULL ) {
 386                 return 1;
 387         }
 388
 389         for ( i = 0; retrylist[ i ] != NULL; i++ )
 390                 /* count */ ;
 391
 392         ri->ri_interval = ch_calloc( sizeof( time_t ), i + 1 );
 393         ri->ri_num = ch_calloc( sizeof( int ), i + 1 );
 394
 395         for ( i = 0; retrylist[ i ] != NULL; i++ ) {
 396                 unsigned long   t;
 397                 char            *sep = strchr( retrylist[ i ], ',' );
 398
 399                 if ( sep == NULL ) {
 400                         snprintf( buf, buflen,
 401                                 "missing comma in retry pattern #%d \"%s\"",
 402                                 i, retrylist[ i ] );
 403                         rc = 1;
 404                         goto done;
 405                 }
 406
 407                 *sep++ = '\0';
 408
 409                 if ( lutil_parse_time( retrylist[ i ], &t ) ) {
 410                         snprintf( buf, buflen,
 411                                 "unable to parse interval #%d \"%s\"",
 412                                 i, retrylist[ i ] );
 413                         rc = 1;
 414                         goto done;
 415                 }
 416                 ri->ri_interval[ i ] = (time_t)t;
 417
 418                 if ( strcmp( sep, "+" ) == 0 ) {
 419                         if ( retrylist[ i + 1 ] != NULL ) {
 420                                 snprintf( buf, buflen,
 421                                         "extra cruft after retry pattern "
 422                                         "#%d \"%s,+\" with \"forever\" mark",
 423                                         i, retrylist[ i ] );
 424                                 rc = 1;
 425                                 goto done;
 426                         }
 427                         ri->ri_num[ i ] = SLAP_RETRYNUM_FOREVER;
 428
 429                 } else if ( lutil_atoi( &ri->ri_num[ i ], sep ) ) {
 430                         snprintf( buf, buflen,
 431                                 "unable to parse retry num #%d \"%s\"",
 432                                 i, sep );
 433                         rc = 1;
 434                         goto done;
 435                 }
 436         }
 437
 438         ri->ri_num[ i ] = SLAP_RETRYNUM_TAIL;
 439
 440         ri->ri_idx = 0;
 441         ri->ri_count = 0;
 442         ri->ri_last = (time_t)(-1);
 443
 444 done:;
 445         ldap_charray_free( retrylist );
 446
 447         if ( rc ) {
 448                 slap_retry_info_destroy( ri );
 449         }
 450
 451         return rc;
 452 }
 453
 454 int
 455 slap_retry_info_unparse(
 456         slap_retry_info_t       *ri,
 457         struct berval           *bvout )
 458 {
 459         int             i;
 460         char            buf[ BUFSIZ * 2 ],
 461                         *ptr = buf;
 462         struct berval   bv = BER_BVNULL;
 463
 464         assert( ri != NULL );
 465         assert( bvout != NULL );
 466
 467         BER_BVZERO( bvout );
 468
 469 #define WHATSLEFT       ( sizeof( buf ) - ( ptr - buf ) )
 470
 471         for ( i = 0; ri->ri_num[ i ] != SLAP_RETRYNUM_TAIL; i++ ) {
 472                 if ( i > 0 ) {
 473                         if ( WHATSLEFT <= 1 ) {
 474                                 return 1;
 475                         }
 476                         *ptr++ = ';';
 477                 }
 478
 479                 if ( lutil_unparse_time( ptr, WHATSLEFT, (long)ri->ri_interval[i] ) ) {
 480                         return 1;
 481                 }
 482                 ptr += strlen( ptr );
 483
 484                 if ( WHATSLEFT <= 1 ) {
 485                         return 1;
 486                 }
 487                 *ptr++ = ',';
 488
 489                 if ( ri->ri_num[i] == SLAP_RETRYNUM_FOREVER ) {
 490                         if ( WHATSLEFT <= 1 ) {
 491                                 return 1;
 492                         }
 493                         *ptr++ = '+';
 494
 495                 } else {
 496                         ptr += snprintf( ptr, WHATSLEFT, "%d", ri->ri_num[i] );
 497                         if ( WHATSLEFT <= 0 ) {
 498                                 return 1;
 499                         }
 500                 }
 501         }
 502
 503         bv.bv_val = buf;
 504         bv.bv_len = ptr - buf;
 505
 506         ber_dupbv( bvout, &bv );
 507
 508         return 0;
 509 }
 510
 511 void
 512 slap_retry_info_destroy(
 513         slap_retry_info_t       *ri )
 514 {
 515         assert( ri != NULL );
 516
 517         assert( ri->ri_interval != NULL );
 518         ch_free( ri->ri_interval );
 519         ri->ri_interval = NULL;
 520
 521         assert( ri->ri_num != NULL );
 522         ch_free( ri->ri_num );
 523         ri->ri_num = NULL;
 524 }
 525
 526 static int
 527 slap_idassert_authzfrom_parse( ConfigArgs *c, slap_idassert_t *si )
 528 {
 529         struct berval   bv;
 530         struct berval   in;
 531         int             rc;
 532
 533         ber_str2bv( c->argv[ 1 ], 0, 0, &in );
 534         rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
 535         if ( rc != LDAP_SUCCESS ) {
 536                 snprintf( c->msg, sizeof( c->msg ),
 537                         "\"idassert-authzFrom <authz>\": "
 538                         "invalid syntax" );
 539                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 540                 return 1;
 541         }
 542         ber_bvarray_add( &si->si_authz, &bv );
 543
 544         return 0;
 545 }
 546
 547 static int
 548 slap_idassert_parse( ConfigArgs *c, slap_idassert_t *si )
 549 {
 550         int             i;
 551
 552         for ( i = 1; i < c->argc; i++ ) {
 553                 if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
 554                         char    *argvi = c->argv[ i ] + STRLENOF( "mode=" );
 555                         int     j;
 556
 557                         j = verb_to_mask( argvi, idassert_mode );
 558                         if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
 559                                 snprintf( c->msg, sizeof( c->msg ),
 560                                         "\"idassert-bind <args>\": "
 561                                         "unknown mode \"%s\"",
 562                                         argvi );
 563                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 564                                 return 1;
 565                         }
 566
 567                         si->si_mode = idassert_mode[ j ].mask;
 568
 569                 } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
 570                         char    *argvi = c->argv[ i ] + STRLENOF( "authz=" );
 571
 572                         if ( strcasecmp( argvi, "native" ) == 0 ) {
 573                                 if ( si->si_bc.sb_method != LDAP_AUTH_SASL ) {
 574                                         snprintf( c->msg, sizeof( c->msg ),
 575                                                 "\"idassert-bind <args>\": "
 576                                                 "authz=\"native\" incompatible "
 577                                                 "with auth method" );
 578                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 579                                         return 1;
 580                                 }
 581                                 si->si_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
 582
 583                         } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
 584                                 si->si_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 585
 586                         } else {
 587                                 snprintf( c->msg, sizeof( c->msg ),
 588                                         "\"idassert-bind <args>\": "
 589                                         "unknown authz \"%s\"",
 590                                         argvi );
 591                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 592                                 return 1;
 593                         }
 594
 595                 } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
 596                         char    *argvi = c->argv[ i ] + STRLENOF( "flags=" );
 597                         char    **flags = ldap_str2charray( argvi, "," );
 598                         int     j, err = 0;
 599
 600                         if ( flags == NULL ) {
 601                                 snprintf( c->msg, sizeof( c->msg ),
 602                                         "\"idassert-bind <args>\": "
 603                                         "unable to parse flags \"%s\"",
 604                                         argvi );
 605                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 606                                 return 1;
 607                         }
 608
 609                         for ( j = 0; flags[ j ] != NULL; j++ ) {
 610
 611                                 if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
 612                                         si->si_flags |= LDAP_BACK_AUTH_OVERRIDE;
 613
 614                                 } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
 615                                         si->si_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
 616
 617                                 } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
 618                                         si->si_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
 619
 620                                 } else if ( strcasecmp( flags[ j ], "obsolete-proxy-authz" ) == 0 ) {
 621                                         if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 622                                                 Debug( LDAP_DEBUG_ANY,
 623                                                                 "%s: \"obsolete-proxy-authz\" flag "
 624                                                                 "in \"idassert-mode <args>\" "
 625                                                                 "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
 626                                                                 c->log, 0, 0 );
 627                                                 err = 1;
 628                                                 break;
 629
 630                                         } else {
 631                                                 si->si_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
 632                                         }
 633
 634                                 } else if ( strcasecmp( flags[ j ], "obsolete-encoding-workaround" ) == 0 ) {
 635                                         if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 636                                                 Debug( LDAP_DEBUG_ANY,
 637                                                                 "%s: \"obsolete-encoding-workaround\" flag "
 638                                                         "in \"idassert-mode <args>\" "
 639                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
 640                                                         c->log, 0, 0 );
 641                                                 err = 1;
 642                                                 break;
 643
 644                                         } else {
 645                                                 si->si_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
 646                                         }
 647
 648                                 } else {
 649                                         snprintf( c->msg, sizeof( c->msg ),
 650                                                 "\"idassert-bind <args>\": "
 651                                                 "unknown flag \"%s\"",
 652                                                 flags[ j ] );
 653                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
 654                                         err = 1;
 655                                         break;
 656                                 }
 657                         }
 658
 659                         ldap_charray_free( flags );
 660                         if ( err ) {
 661                                 return 1;
 662                         }
 663
 664                 } else if ( bindconf_parse( c->argv[ i ], &si->si_bc ) ) {
 665                         return 1;
 666                 }
 667         }
 668
 669         return 0;
 670 }
 671
 672 /* NOTE: temporary, until back-meta is ported to back-config */
 673 int
 674 slap_idassert_authzfrom_parse_cf( const char *fname, int lineno, const char *arg, slap_idassert_t *si )
 675 {
 676         ConfigArgs      c = { 0 };
 677         char            *argv[ 3 ];
 678
 679         snprintf( c.log, sizeof( c.log ), "%s: line %d", fname, lineno );
 680         c.argc = 2;
 681         c.argv = argv;
 682         argv[ 0 ] = "idassert-authzFrom";
 683         argv[ 1 ] = (char *)arg;
 684         argv[ 2 ] = NULL;
 685
 686         return slap_idassert_authzfrom_parse( &c, si );
 687 }
 688
 689 int
 690 slap_idassert_parse_cf( const char *fname, int lineno, int argc, char *argv[], slap_idassert_t *si )
 691 {
 692         ConfigArgs      c = { 0 };
 693
 694         snprintf( c.log, sizeof( c.log ), "%s: line %d", fname, lineno );
 695         c.argc = argc;
 696         c.argv = argv;
 697
 698         return slap_idassert_parse( &c, si );
 699 }
 700
 701 static int
 702 ldap_back_cf_gen( ConfigArgs *c )
 703 {
 704         ldapinfo_t      *li = ( ldapinfo_t * )c->be->be_private;
 705         int             rc = 0;
 706         int             i;
 707
 708         if ( c->op == SLAP_CONFIG_EMIT ) {
 709                 struct berval   bv = BER_BVNULL;
 710
 711                 if ( li == NULL ) {
 712                         return 1;
 713                 }
 714
 715                 switch( c->type ) {
 716                 case LDAP_BACK_CFG_URI:
 717                         if ( li->li_uri != NULL ) {
 718                                 struct berval   bv;
 719
 720                                 ber_str2bv( li->li_uri, 0, 0, &bv );
 721                                 value_add_one( &c->rvalue_vals, &bv );
 722
 723                         } else {
 724                                 rc = 1;
 725                         }
 726                         break;
 727
 728                 case LDAP_BACK_CFG_TLS:
 729                         enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
 730                         assert( !BER_BVISNULL( &bv ) );
 731                         value_add_one( &c->rvalue_vals, &bv );
 732                         break;
 733
 734                 case LDAP_BACK_CFG_ACL_AUTHCDN:
 735                 case LDAP_BACK_CFG_ACL_PASSWD:
 736                 case LDAP_BACK_CFG_ACL_METHOD:
 737                         /* handled by LDAP_BACK_CFG_ACL_BIND */
 738                         rc = 1;
 739                         break;
 740
 741                 case LDAP_BACK_CFG_ACL_BIND: {
 742                         int     i;
 743
 744                         if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
 745                                 return 1;
 746                         }
 747
 748                         bindconf_unparse( &li->li_acl, &bv );
 749
 750                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 751                                 /* count spaces */ ;
 752
 753                         if ( i ) {
 754                                 bv.bv_len -= i;
 755                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 756                                         bv.bv_len + 1 );
 757                         }
 758
 759                         ber_bvarray_add( &c->rvalue_vals, &bv );
 760                         break;
 761                 }
 762
 763                 case LDAP_BACK_CFG_IDASSERT_MODE:
 764                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
 765                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
 766                 case LDAP_BACK_CFG_IDASSERT_METHOD:
 767                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
 768                         rc = 1;
 769                         break;
 770
 771                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: {
 772                         int             i;
 773
 774                         if ( li->li_idassert_authz == NULL ) {
 775                                 rc = 1;
 776                                 break;
 777                         }
 778
 779                         for ( i = 0; !BER_BVISNULL( &li->li_idassert_authz[ i ] ); i++ )
 780                         {
 781                                 value_add_one( &c->rvalue_vals, &li->li_idassert_authz[ i ] );
 782                         }
 783                         break;
 784                 }
 785
 786                 case LDAP_BACK_CFG_IDASSERT_BIND: {
 787                         int             i;
 788                         struct berval   bc = BER_BVNULL;
 789                         char            *ptr;
 790
 791                         if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
 792                                 return 1;
 793                         }
 794
 795                         if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
 796                                 ber_len_t       len;
 797
 798                                 switch ( li->li_idassert_mode ) {
 799                                 case LDAP_BACK_IDASSERT_OTHERID:
 800                                 case LDAP_BACK_IDASSERT_OTHERDN:
 801                                         break;
 802
 803                                 default: {
 804                                         struct berval   mode = BER_BVNULL;
 805
 806                                         enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
 807                                         if ( BER_BVISNULL( &mode ) ) {
 808                                                 /* there's something wrong... */
 809                                                 assert( 0 );
 810                                                 rc = 1;
 811
 812                                         } else {
 813                                                 bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
 814                                                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 815
 816                                                 ptr = lutil_strcopy( bv.bv_val, "mode=" );
 817                                                 ptr = lutil_strcopy( ptr, mode.bv_val );
 818                                         }
 819                                         break;
 820                                 }
 821                                 }
 822
 823                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
 824                                         len = bv.bv_len + STRLENOF( "authz=native" );
 825
 826                                         if ( !BER_BVISEMPTY( &bv ) ) {
 827                                                 len += STRLENOF( " " );
 828                                         }
 829
 830                                         bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 831
 832                                         ptr = &bv.bv_val[ bv.bv_len ];
 833
 834                                         if ( !BER_BVISEMPTY( &bv ) ) {
 835                                                 ptr = lutil_strcopy( ptr, " " );
 836                                         }
 837
 838                                         (void)lutil_strcopy( ptr, "authz=native" );
 839                                 }
 840
 841                                 len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override,obsolete-encoding-workaround" );
 842                                 /* flags */
 843                                 if ( !BER_BVISEMPTY( &bv ) ) {
 844                                         len += STRLENOF( " " );
 845                                 }
 846
 847                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 848
 849                                 ptr = &bv.bv_val[ bv.bv_len ];
 850
 851                                 if ( !BER_BVISEMPTY( &bv ) ) {
 852                                         ptr = lutil_strcopy( ptr, " " );
 853                                 }
 854
 855                                 ptr = lutil_strcopy( ptr, "flags=" );
 856
 857                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
 858                                         ptr = lutil_strcopy( ptr, "prescriptive" );
 859                                 } else {
 860                                         ptr = lutil_strcopy( ptr, "non-prescriptive" );
 861                                 }
 862
 863                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
 864                                         ptr = lutil_strcopy( ptr, ",override" );
 865                                 }
 866
 867                                 if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
 868                                         ptr = lutil_strcopy( ptr, ",obsolete-proxy-authz" );
 869
 870                                 } else if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
 871                                         ptr = lutil_strcopy( ptr, ",obsolete-encoding-workaround" );
 872                                 }
 873
 874                                 bv.bv_len = ( ptr - bv.bv_val );
 875                                 /* end-of-flags */
 876                         }
 877
 878                         bindconf_unparse( &li->li_idassert.si_bc, &bc );
 879
 880                         if ( !BER_BVISNULL( &bv ) ) {
 881                                 ber_len_t       len = bv.bv_len + bc.bv_len;
 882
 883                                 bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
 884
 885                                 assert( bc.bv_val[ 0 ] == ' ' );
 886
 887                                 ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
 888                                 free( bc.bv_val );
 889                                 bv.bv_len = ptr - bv.bv_val;
 890
 891                         } else {
 892                                 for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
 893                                         /* count spaces */ ;
 894
 895                                 if ( i ) {
 896                                         bc.bv_len -= i;
 897                                         AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
 898                                 }
 899
 900                                 bv = bc;
 901                         }
 902
 903                         ber_bvarray_add( &c->rvalue_vals, &bv );
 904
 905                         break;
 906                 }
 907
 908                 case LDAP_BACK_CFG_REBIND:
 909                         c->value_int = LDAP_BACK_SAVECRED( li );
 910                         break;
 911
 912                 case LDAP_BACK_CFG_CHASE:
 913                         c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
 914                         break;
 915
 916                 case LDAP_BACK_CFG_T_F:
 917                         enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_T_F_MASK2), &bv );
 918                         if ( BER_BVISNULL( &bv ) ) {
 919                                 /* there's something wrong... */
 920                                 assert( 0 );
 921                                 rc = 1;
 922
 923                         } else {
 924                                 value_add_one( &c->rvalue_vals, &bv );
 925                         }
 926                         break;
 927
 928                 case LDAP_BACK_CFG_WHOAMI:
 929                         c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
 930                         break;
 931
 932                 case LDAP_BACK_CFG_TIMEOUT:
 933                         BER_BVZERO( &bv );
 934
 935                         for ( i = 0; i < SLAP_OP_LAST; i++ ) {
 936                                 if ( li->li_timeout[ i ] != 0 ) {
 937                                         break;
 938                                 }
 939                         }
 940
 941                         if ( i == SLAP_OP_LAST ) {
 942                                 return 1;
 943                         }
 944
 945                         slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
 946
 947                         if ( BER_BVISNULL( &bv ) ) {
 948                                 return 1;
 949                         }
 950
 951                         for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
 952                                 /* count spaces */ ;
 953
 954                         if ( i ) {
 955                                 bv.bv_len -= i;
 956                                 AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
 957                                         bv.bv_len + 1 );
 958                         }
 959
 960                         ber_bvarray_add( &c->rvalue_vals, &bv );
 961                         break;
 962
 963                 case LDAP_BACK_CFG_IDLE_TIMEOUT: {
 964                         char    buf[ SLAP_TEXT_BUFLEN ];
 965
 966                         if ( li->li_idle_timeout == 0 ) {
 967                                 return 1;
 968                         }
 969
 970                         lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
 971                         ber_str2bv( buf, 0, 0, &bv );
 972                         value_add_one( &c->rvalue_vals, &bv );
 973                         } break;
 974
 975                 case LDAP_BACK_CFG_CONN_TTL: {
 976                         char    buf[ SLAP_TEXT_BUFLEN ];
 977
 978                         if ( li->li_conn_ttl == 0 ) {
 979                                 return 1;
 980                         }
 981
 982                         lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
 983                         ber_str2bv( buf, 0, 0, &bv );
 984                         value_add_one( &c->rvalue_vals, &bv );
 985                         } break;
 986
 987                 case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
 988                         char    buf[ SLAP_TEXT_BUFLEN ];
 989
 990                         if ( li->li_network_timeout == 0 ) {
 991                                 return 1;
 992                         }
 993
 994                         snprintf( buf, sizeof( buf ), "%ld",
 995                                 (long)li->li_network_timeout );
 996                         ber_str2bv( buf, 0, 0, &bv );
 997                         value_add_one( &c->rvalue_vals, &bv );
 998                         } break;
 999
1000                 case LDAP_BACK_CFG_VERSION:
1001                         if ( li->li_version == 0 ) {
1002                                 return 1;
1003                         }
1004
1005                         c->value_int = li->li_version;
1006                         break;
1007
1008                 case LDAP_BACK_CFG_SINGLECONN:
1009                         c->value_int = LDAP_BACK_SINGLECONN( li );
1010                         break;
1011
1012                 case LDAP_BACK_CFG_CANCEL: {
1013                         slap_mask_t     mask = LDAP_BACK_F_CANCEL_MASK2;
1014
1015                         if ( LDAP_BACK_CANCEL_DISCOVER( li ) ) {
1016                                 mask &= ~LDAP_BACK_F_CANCEL_EXOP;
1017                         }
1018                         enum_to_verb( cancel_mode, (li->li_flags & mask), &bv );
1019                         if ( BER_BVISNULL( &bv ) ) {
1020                                 /* there's something wrong... */
1021                                 assert( 0 );
1022                                 rc = 1;
1023
1024                         } else {
1025                                 value_add_one( &c->rvalue_vals, &bv );
1026                         }
1027                         } break;
1028
1029                 case LDAP_BACK_CFG_QUARANTINE:
1030                         if ( !LDAP_BACK_QUARANTINE( li ) ) {
1031                                 rc = 1;
1032                                 break;
1033                         }
1034
1035                         rc = slap_retry_info_unparse( &li->li_quarantine, &bv );
1036                         if ( rc == 0 ) {
1037                                 ber_bvarray_add( &c->rvalue_vals, &bv );
1038                         }
1039                         break;
1040
1041                 default:
1042                         /* FIXME: we need to handle all... */
1043                         assert( 0 );
1044                         break;
1045                 }
1046                 return rc;
1047
1048         } else if ( c->op == LDAP_MOD_DELETE ) {
1049                 switch( c->type ) {
1050                 case LDAP_BACK_CFG_URI:
1051                         if ( li->li_uri != NULL ) {
1052                                 ch_free( li->li_uri );
1053                                 li->li_uri = NULL;
1054
1055                                 assert( li->li_bvuri != NULL );
1056                                 ber_bvarray_free( li->li_bvuri );
1057                                 li->li_bvuri = NULL;
1058                         }
1059
1060                         /* better cleanup the cached connections... */
1061                         /* NOTE: don't worry about locking: if we got here,
1062                          * other threads are suspended. */
1063                         if ( li->li_conninfo.lai_tree != NULL ) {
1064                                 avl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
1065                                 li->li_conninfo.lai_tree = NULL;
1066                         }
1067
1068                         break;
1069
1070                 case LDAP_BACK_CFG_TLS:
1071                         rc = 1;
1072                         break;
1073
1074                 case LDAP_BACK_CFG_ACL_AUTHCDN:
1075                 case LDAP_BACK_CFG_ACL_PASSWD:
1076                 case LDAP_BACK_CFG_ACL_METHOD:
1077                         /* handled by LDAP_BACK_CFG_ACL_BIND */
1078                         rc = 1;
1079                         break;
1080
1081                 case LDAP_BACK_CFG_ACL_BIND:
1082                         bindconf_free( &li->li_acl );
1083                         break;
1084
1085                 case LDAP_BACK_CFG_IDASSERT_MODE:
1086                 case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1087                 case LDAP_BACK_CFG_IDASSERT_PASSWD:
1088                 case LDAP_BACK_CFG_IDASSERT_METHOD:
1089                         /* handled by LDAP_BACK_CFG_IDASSERT_BIND */
1090                         rc = 1;
1091                         break;
1092
1093                 case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
1094                         if ( li->li_idassert_authz != NULL ) {
1095                                 ber_bvarray_free( li->li_idassert_authz );
1096                                 li->li_idassert_authz = NULL;
1097                         }
1098                         break;
1099
1100                 case LDAP_BACK_CFG_IDASSERT_BIND:
1101                         bindconf_free( &li->li_idassert.si_bc );
1102                         break;
1103
1104                 case LDAP_BACK_CFG_REBIND:
1105                 case LDAP_BACK_CFG_CHASE:
1106                 case LDAP_BACK_CFG_T_F:
1107                 case LDAP_BACK_CFG_WHOAMI:
1108                 case LDAP_BACK_CFG_CANCEL:
1109                         rc = 1;
1110                         break;
1111
1112                 case LDAP_BACK_CFG_TIMEOUT:
1113                         for ( i = 0; i < SLAP_OP_LAST; i++ ) {
1114                                 li->li_timeout[ i ] = 0;
1115                         }
1116                         break;
1117
1118                 case LDAP_BACK_CFG_IDLE_TIMEOUT:
1119                         li->li_idle_timeout = 0;
1120                         break;
1121
1122                 case LDAP_BACK_CFG_CONN_TTL:
1123                         li->li_conn_ttl = 0;
1124                         break;
1125
1126                 case LDAP_BACK_CFG_NETWORK_TIMEOUT:
1127                         li->li_network_timeout = 0;
1128                         break;
1129
1130                 case LDAP_BACK_CFG_VERSION:
1131                         li->li_version = 0;
1132                         break;
1133
1134                 case LDAP_BACK_CFG_SINGLECONN:
1135                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1136                         break;
1137
1138                 case LDAP_BACK_CFG_QUARANTINE:
1139                         if ( !LDAP_BACK_QUARANTINE( li ) ) {
1140                                 break;
1141                         }
1142
1143                         slap_retry_info_destroy( &li->li_quarantine );
1144                         ldap_pvt_thread_mutex_destroy( &li->li_quarantine_mutex );
1145                         li->li_isquarantined = 0;
1146                         break;
1147
1148                 default:
1149                         /* FIXME: we need to handle all... */
1150                         assert( 0 );
1151                         break;
1152                 }
1153                 return rc;
1154
1155         }
1156
1157         switch( c->type ) {
1158         case LDAP_BACK_CFG_URI: {
1159                 LDAPURLDesc     *tmpludp, *lud;
1160                 char            **urllist = NULL;
1161                 int             urlrc = LDAP_URL_SUCCESS, i;
1162
1163                 if ( li->li_uri != NULL ) {
1164                         ch_free( li->li_uri );
1165                         li->li_uri = NULL;
1166
1167                         assert( li->li_bvuri != NULL );
1168                         ber_bvarray_free( li->li_bvuri );
1169                         li->li_bvuri = NULL;
1170                 }
1171
1172                 /* PARANOID: DN and more are not required nor allowed */
1173                 urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t", LDAP_PVT_URL_PARSE_NONE );
1174                 if ( urlrc != LDAP_URL_SUCCESS ) {
1175                         char    *why;
1176
1177                         switch ( urlrc ) {
1178                         case LDAP_URL_ERR_MEM:
1179                                 why = "no memory";
1180                                 break;
1181                         case LDAP_URL_ERR_PARAM:
1182                                 why = "parameter is bad";
1183                                 break;
1184                         case LDAP_URL_ERR_BADSCHEME:
1185                                 why = "URL doesn't begin with \"[c]ldap[si]://\"";
1186                                 break;
1187                         case LDAP_URL_ERR_BADENCLOSURE:
1188                                 why = "URL is missing trailing \">\"";
1189                                 break;
1190                         case LDAP_URL_ERR_BADURL:
1191                                 why = "URL is bad";
1192                                 break;
1193                         case LDAP_URL_ERR_BADHOST:
1194                                 why = "host/port is bad";
1195                                 break;
1196                         case LDAP_URL_ERR_BADATTRS:
1197                                 why = "bad (or missing) attributes";
1198                                 break;
1199                         case LDAP_URL_ERR_BADSCOPE:
1200                                 why = "scope string is invalid (or missing)";
1201                                 break;
1202                         case LDAP_URL_ERR_BADFILTER:
1203                                 why = "bad or missing filter";
1204                                 break;
1205                         case LDAP_URL_ERR_BADEXTS:
1206                                 why = "bad or missing extensions";
1207                                 break;
1208                         default:
1209                                 why = "unknown reason";
1210                                 break;
1211                         }
1212                         snprintf( c->msg, sizeof( c->msg),
1213                                         "unable to parse uri \"%s\" "
1214                                         "in \"uri <uri>\" line: %s",
1215                                         c->value_string, why );
1216                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1217                         urlrc = 1;
1218                         goto done_url;
1219                 }
1220
1221                 for ( i = 0, tmpludp = lud;
1222                                 tmpludp;
1223                                 i++, tmpludp = tmpludp->lud_next )
1224                 {
1225                         if ( ( tmpludp->lud_dn != NULL
1226                                                 && tmpludp->lud_dn[0] != '\0' )
1227                                         || tmpludp->lud_attrs != NULL
1228                                         /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
1229                                         || tmpludp->lud_filter != NULL
1230                                         || tmpludp->lud_exts != NULL )
1231                         {
1232                                 snprintf( c->msg, sizeof( c->msg ),
1233                                                 "warning, only protocol, "
1234                                                 "host and port allowed "
1235                                                 "in \"uri <uri>\" statement "
1236                                                 "for uri #%d of \"%s\"",
1237                                                 i, c->argv[ 1 ] );
1238                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1239                         }
1240                 }
1241
1242                 for ( i = 0, tmpludp = lud;
1243                                 tmpludp;
1244                                 i++, tmpludp = tmpludp->lud_next )
1245                         /* just count */
1246                         ;
1247                 urllist = ch_calloc( sizeof( char * ), i + 1 );
1248
1249                 for ( i = 0, tmpludp = lud;
1250                                 tmpludp;
1251                                 i++, tmpludp = tmpludp->lud_next )
1252                 {
1253                         LDAPURLDesc     tmplud;
1254
1255                         tmplud = *tmpludp;
1256                         tmplud.lud_dn = "";
1257                         tmplud.lud_attrs = NULL;
1258                         tmplud.lud_filter = NULL;
1259                         if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
1260                                 tmplud.lud_exts = NULL;
1261                                 tmplud.lud_crit_exts = 0;
1262                         }
1263
1264                         urllist[ i ]  = ldap_url_desc2str( &tmplud );
1265
1266                         if ( urllist[ i ] == NULL ) {
1267                                 snprintf( c->msg, sizeof( c->msg),
1268                                         "unable to rebuild uri "
1269                                         "in \"uri <uri>\" statement "
1270                                         "for \"%s\"",
1271                                         c->argv[ 1 ] );
1272                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1273                                 urlrc = 1;
1274                                 goto done_url;
1275                         }
1276                 }
1277
1278                 li->li_uri = ldap_charray2str( urllist, " " );
1279                 for ( i = 0; urllist[ i ] != NULL; i++ ) {
1280                         struct berval   bv;
1281
1282                         ber_str2bv( urllist[ i ], 0, 0, &bv );
1283                         ber_bvarray_add( &li->li_bvuri, &bv );
1284                         urllist[ i ] = NULL;
1285                 }
1286                 ldap_memfree( urllist );
1287                 urllist = NULL;
1288
1289 done_url:;
1290                 if ( urllist ) {
1291                         ldap_charray_free( urllist );
1292                 }
1293                 if ( lud ) {
1294                         ldap_free_urllist( lud );
1295                 }
1296                 if ( urlrc != LDAP_URL_SUCCESS ) {
1297                         return 1;
1298                 }
1299                 break;
1300         }
1301
1302         case LDAP_BACK_CFG_TLS:
1303                 i = verb_to_mask( c->argv[1], tls_mode );
1304                 if ( BER_BVISNULL( &tls_mode[i].word ) ) {
1305                         return 1;
1306                 }
1307                 li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
1308                 li->li_flags |= tls_mode[i].mask;
1309                 break;
1310
1311         case LDAP_BACK_CFG_ACL_AUTHCDN:
1312                 switch ( li->li_acl_authmethod ) {
1313                 case LDAP_AUTH_NONE:
1314                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
1315                         break;
1316
1317                 case LDAP_AUTH_SIMPLE:
1318                         break;
1319
1320                 default:
1321                         snprintf( c->msg, sizeof( c->msg),
1322                                 "\"acl-authcDN <DN>\" incompatible "
1323                                 "with auth method %d",
1324                                 li->li_acl_authmethod );
1325                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1326                         return 1;
1327                 }
1328                 if ( !BER_BVISNULL( &li->li_acl_authcDN ) ) {
1329                         free( li->li_acl_authcDN.bv_val );
1330                 }
1331                 ber_memfree_x( c->value_dn.bv_val, NULL );
1332                 li->li_acl_authcDN = c->value_ndn;
1333                 BER_BVZERO( &c->value_dn );
1334                 BER_BVZERO( &c->value_ndn );
1335                 break;
1336
1337         case LDAP_BACK_CFG_ACL_PASSWD:
1338                 switch ( li->li_acl_authmethod ) {
1339                 case LDAP_AUTH_NONE:
1340                         li->li_acl_authmethod = LDAP_AUTH_SIMPLE;
1341                         break;
1342
1343                 case LDAP_AUTH_SIMPLE:
1344                         break;
1345
1346                 default:
1347                         snprintf( c->msg, sizeof( c->msg ),
1348                                 "\"acl-passwd <cred>\" incompatible "
1349                                 "with auth method %d",
1350                                 li->li_acl_authmethod );
1351                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1352                         return 1;
1353                 }
1354                 if ( !BER_BVISNULL( &li->li_acl_passwd ) ) {
1355                         free( li->li_acl_passwd.bv_val );
1356                 }
1357                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_acl_passwd );
1358                 break;
1359
1360         case LDAP_BACK_CFG_ACL_METHOD:
1361         case LDAP_BACK_CFG_ACL_BIND:
1362                 for ( i = 1; i < c->argc; i++ ) {
1363                         if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
1364                                 return 1;
1365                         }
1366                 }
1367                 break;
1368
1369         case LDAP_BACK_CFG_IDASSERT_MODE:
1370                 i = verb_to_mask( c->argv[1], idassert_mode );
1371                 if ( BER_BVISNULL( &idassert_mode[i].word ) ) {
1372                         if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) {
1373                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERID;
1374                                 ber_str2bv( c->argv[1], 0, 1, &li->li_idassert_authzID );
1375                                 li->li_idassert_authzID.bv_val[ 0 ] = 'u';
1376
1377                         } else {
1378                                 struct berval   id, ndn;
1379
1380                                 ber_str2bv( c->argv[1], 0, 0, &id );
1381
1382                                 if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) {
1383                                         id.bv_val += STRLENOF( "dn:" );
1384                                         id.bv_len -= STRLENOF( "dn:" );
1385                                 }
1386
1387                                 rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL );
1388                                 if ( rc != LDAP_SUCCESS ) {
1389                                         Debug( LDAP_DEBUG_ANY,
1390                                                 "%s: line %d: idassert ID \"%s\" is not a valid DN\n",
1391                                                 c->fname, c->lineno, c->argv[1] );
1392                                         return 1;
1393                                 }
1394
1395                                 li->li_idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len;
1396                                 li->li_idassert_authzID.bv_val = ch_malloc( li->li_idassert_authzID.bv_len + 1 );
1397                                 AC_MEMCPY( li->li_idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) );
1398                                 AC_MEMCPY( &li->li_idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 );
1399                                 ch_free( ndn.bv_val );
1400
1401                                 li->li_idassert_mode = LDAP_BACK_IDASSERT_OTHERDN;
1402                         }
1403
1404                 } else {
1405                         li->li_idassert_mode = idassert_mode[i].mask;
1406                 }
1407
1408                 if ( c->argc > 2 ) {
1409                         int     i;
1410
1411                         for ( i = 2; i < c->argc; i++ ) {
1412                                 if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) {
1413                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OVERRIDE;
1414
1415                                 } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) {
1416                                         li->li_idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
1417
1418                                 } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) {
1419                                         li->li_idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
1420
1421                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-proxy-authz" ) == 0 ) {
1422                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1423                                                 Debug( LDAP_DEBUG_ANY,
1424                                                         "%s: line %d: \"obsolete-proxy-authz\" flag "
1425                                                         "in \"idassert-mode <args>\" "
1426                                                         "incompatible with previously issued \"obsolete-encoding-workaround\" flag.\n",
1427                                                         c->fname, c->lineno, 0 );
1428                                                 return 1;
1429                                         }
1430                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
1431
1432                                 } else if ( strcasecmp( c->argv[ i ], "obsolete-encoding-workaround" ) == 0 ) {
1433                                         if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1434                                                 Debug( LDAP_DEBUG_ANY,
1435                                                         "%s: line %d: \"obsolete-encoding-workaround\" flag "
1436                                                         "in \"idassert-mode <args>\" "
1437                                                         "incompatible with previously issued \"obsolete-proxy-authz\" flag.\n",
1438                                                         c->fname, c->lineno, 0 );
1439                                                 return 1;
1440                                         }
1441                                         li->li_idassert_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
1442
1443                                 } else {
1444                                         Debug( LDAP_DEBUG_ANY,
1445                                                 "%s: line %d: unknown flag #%d "
1446                                                 "in \"idassert-mode <args> "
1447                                                 "[<flags>]\" line.\n",
1448                                                 c->fname, c->lineno, i - 2 );
1449                                         return 1;
1450                                 }
1451                         }
1452                 }
1453                 break;
1454
1455         case LDAP_BACK_CFG_IDASSERT_AUTHCDN:
1456                 switch ( li->li_idassert_authmethod ) {
1457                 case LDAP_AUTH_NONE:
1458                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1459                         break;
1460
1461                 case LDAP_AUTH_SIMPLE:
1462                         break;
1463
1464                 default:
1465                         snprintf( c->msg, sizeof( c->msg ),
1466                                 "\"idassert-authcDN <DN>\" incompatible "
1467                                 "with auth method %d",
1468                                 li->li_idassert_authmethod );
1469                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1470                         return 1;
1471                 }
1472                 if ( !BER_BVISNULL( &li->li_idassert_authcDN ) ) {
1473                         free( li->li_idassert_authcDN.bv_val );
1474                 }
1475                 ber_memfree_x( c->value_dn.bv_val, NULL );
1476                 li->li_idassert_authcDN = c->value_ndn;
1477                 BER_BVZERO( &c->value_dn );
1478                 BER_BVZERO( &c->value_ndn );
1479                 break;
1480
1481         case LDAP_BACK_CFG_IDASSERT_PASSWD:
1482                 switch ( li->li_idassert_authmethod ) {
1483                 case LDAP_AUTH_NONE:
1484                         li->li_idassert_authmethod = LDAP_AUTH_SIMPLE;
1485                         break;
1486
1487                 case LDAP_AUTH_SIMPLE:
1488                         break;
1489
1490                 default:
1491                         snprintf( c->msg, sizeof( c->msg ),
1492                                 "\"idassert-passwd <cred>\" incompatible "
1493                                 "with auth method %d",
1494                                 li->li_idassert_authmethod );
1495                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1496                         return 1;
1497                 }
1498                 if ( !BER_BVISNULL( &li->li_idassert_passwd ) ) {
1499                         free( li->li_idassert_passwd.bv_val );
1500                 }
1501                 ber_str2bv( c->argv[ 1 ], 0, 1, &li->li_idassert_passwd );
1502                 break;
1503
1504         case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
1505                 rc = slap_idassert_authzfrom_parse( c, &li->li_idassert );
1506                 break;
1507
1508         case LDAP_BACK_CFG_IDASSERT_METHOD:
1509                 /* no longer supported */
1510                 snprintf( c->msg, sizeof( c->msg ),
1511                         "\"idassert-method <args>\": "
1512                         "no longer supported; use \"idassert-bind\"" );
1513                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1514                 return 1;
1515
1516         case LDAP_BACK_CFG_IDASSERT_BIND:
1517                 rc = slap_idassert_parse( c, &li->li_idassert );
1518                 break;
1519
1520         case LDAP_BACK_CFG_REBIND:
1521                 if ( c->argc == 1 || c->value_int ) {
1522                         li->li_flags |= LDAP_BACK_F_SAVECRED;
1523
1524                 } else {
1525                         li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1526                 }
1527                 break;
1528
1529         case LDAP_BACK_CFG_CHASE:
1530                 if ( c->argc == 1 || c->value_int ) {
1531                         li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1532
1533                 } else {
1534                         li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1535                 }
1536                 break;
1537
1538         case LDAP_BACK_CFG_T_F: {
1539                 slap_mask_t             mask;
1540
1541                 i = verb_to_mask( c->argv[1], t_f_mode );
1542                 if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1543                         return 1;
1544                 }
1545
1546                 mask = t_f_mode[i].mask;
1547
1548                 if ( LDAP_BACK_ISOPEN( li )
1549                         && mask == LDAP_BACK_F_T_F_DISCOVER
1550                         && !LDAP_BACK_T_F( li ) )
1551                 {
1552                         int             rc;
1553
1554                         if ( li->li_uri == NULL ) {
1555                                 snprintf( c->msg, sizeof( c->msg ),
1556                                         "need URI to discover \"cancel\" support "
1557                                         "in \"cancel exop-discover\"" );
1558                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1559                                 return 1;
1560                         }
1561
1562                         rc = slap_discover_feature( li->li_uri, li->li_version,
1563                                         slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
1564                                         LDAP_FEATURE_ABSOLUTE_FILTERS );
1565                         if ( rc == LDAP_COMPARE_TRUE ) {
1566                                 mask |= LDAP_BACK_F_T_F;
1567                         }
1568                 }
1569
1570                 li->li_flags &= ~LDAP_BACK_F_T_F_MASK2;
1571                 li->li_flags |= mask;
1572                 } break;
1573
1574         case LDAP_BACK_CFG_WHOAMI:
1575                 if ( c->argc == 1 || c->value_int ) {
1576                         li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1577                         load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1578                                         0, ldap_back_exop_whoami );
1579
1580                 } else {
1581                         li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1582                 }
1583                 break;
1584
1585         case LDAP_BACK_CFG_TIMEOUT:
1586                 for ( i = 1; i < c->argc; i++ ) {
1587                         if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1588                                 int             j;
1589                                 unsigned        u;
1590
1591                                 if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1592                                         snprintf( c->msg, sizeof( c->msg),
1593                                                 "unable to parse timeout \"%s\"",
1594                                                 c->argv[ i ] );
1595                                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1596                                         return 1;
1597                                 }
1598
1599                                 for ( j = 0; j < SLAP_OP_LAST; j++ ) {
1600                                         li->li_timeout[ j ] = u;
1601                                 }
1602
1603                                 continue;
1604                         }
1605
1606                         if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1607                                 snprintf( c->msg, sizeof( c->msg),
1608                                         "unable to parse timeout \"%s\"",
1609                                         c->argv[ i ] );
1610                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1611                                 return 1;
1612                         }
1613                 }
1614                 break;
1615
1616         case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1617                 unsigned long   t;
1618
1619                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1620                         snprintf( c->msg, sizeof( c->msg),
1621                                 "unable to parse idle timeout \"%s\"",
1622                                 c->argv[ 1 ] );
1623                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1624                         return 1;
1625                 }
1626                 li->li_idle_timeout = (time_t)t;
1627                 } break;
1628
1629         case LDAP_BACK_CFG_CONN_TTL: {
1630                 unsigned long   t;
1631
1632                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1633                         snprintf( c->msg, sizeof( c->msg),
1634                                 "unable to parse conn ttl\"%s\"",
1635                                 c->argv[ 1 ] );
1636                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1637                         return 1;
1638                 }
1639                 li->li_conn_ttl = (time_t)t;
1640                 } break;
1641
1642         case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1643                 unsigned long   t;
1644
1645                 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1646                         snprintf( c->msg, sizeof( c->msg),
1647                                 "unable to parse network timeout \"%s\"",
1648                                 c->argv[ 1 ] );
1649                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1650                         return 1;
1651                 }
1652                 li->li_network_timeout = (time_t)t;
1653                 } break;
1654
1655         case LDAP_BACK_CFG_VERSION:
1656                 if ( c->value_int != 0 && ( c->value_int < LDAP_VERSION_MIN || c->value_int > LDAP_VERSION_MAX ) ) {
1657                         snprintf( c->msg, sizeof( c->msg ),
1658                                 "unsupported version \"%s\" "
1659                                 "in \"protocol-version <version>\"",
1660                                 c->argv[ 1 ] );
1661                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1662                         return 1;
1663                 }
1664
1665                 li->li_version = c->value_int;
1666                 break;
1667
1668         case LDAP_BACK_CFG_SINGLECONN:
1669                 if ( c->value_int ) {
1670                         li->li_flags |= LDAP_BACK_F_SINGLECONN;
1671
1672                 } else {
1673                         li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1674                 }
1675                 break;
1676
1677         case LDAP_BACK_CFG_CANCEL: {
1678                 slap_mask_t             mask;
1679
1680                 i = verb_to_mask( c->argv[1], cancel_mode );
1681                 if ( BER_BVISNULL( &cancel_mode[i].word ) ) {
1682                         return 1;
1683                 }
1684
1685                 mask = cancel_mode[i].mask;
1686
1687                 if ( LDAP_BACK_ISOPEN( li )
1688                         && mask == LDAP_BACK_F_CANCEL_EXOP_DISCOVER
1689                         && !LDAP_BACK_CANCEL( li ) )
1690                 {
1691                         int             rc;
1692
1693                         if ( li->li_uri == NULL ) {
1694                                 snprintf( c->msg, sizeof( c->msg ),
1695                                         "need URI to discover \"cancel\" support "
1696                                         "in \"cancel exop-discover\"" );
1697                                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1698                                 return 1;
1699                         }
1700
1701                         rc = slap_discover_feature( li->li_uri, li->li_version,
1702                                         slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
1703                                         LDAP_EXOP_CANCEL );
1704                         if ( rc == LDAP_COMPARE_TRUE ) {
1705                                 mask |= LDAP_BACK_F_CANCEL_EXOP;
1706                         }
1707                 }
1708
1709                 li->li_flags &= ~LDAP_BACK_F_CANCEL_MASK2;
1710                 li->li_flags |= mask;
1711                 } break;
1712
1713         case LDAP_BACK_CFG_QUARANTINE:
1714                 if ( LDAP_BACK_QUARANTINE( li ) ) {
1715                         snprintf( c->msg, sizeof( c->msg ),
1716                                 "quarantine already defined" );
1717                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1718                         return 1;
1719                 }
1720                 rc = slap_retry_info_parse( c->argv[1], &li->li_quarantine,
1721                         c->msg, sizeof( c->msg ) );
1722                 if ( rc ) {
1723                         Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1724
1725                 } else {
1726                         ldap_pvt_thread_mutex_init( &li->li_quarantine_mutex );
1727                         /* give it a chance to retry if the pattern gets reset
1728                          * via back-config */
1729                         li->li_isquarantined = 0;
1730                 }
1731                 break;
1732
1733         case LDAP_BACK_CFG_REWRITE:
1734                 snprintf( c->msg, sizeof( c->msg ),
1735                         "rewrite/remap capabilities have been moved "
1736                         "to the \"rwm\" overlay; see slapo-rwm(5) "
1737                         "for details (hint: add \"overlay rwm\" "
1738                         "and prefix all directives with \"rwm-\")" );
1739                 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->msg, 0 );
1740                 return 1;
1741
1742         default:
1743                 /* FIXME: try to catch inconsistencies */
1744                 assert( 0 );
1745                 break;
1746         }
1747
1748         return rc;
1749 }
1750
1751 int
1752 ldap_back_init_cf( BackendInfo *bi )
1753 {
1754         int                     rc;
1755         AttributeDescription    *ad = NULL;
1756         const char              *text;
1757
1758         /* Make sure we don't exceed the bits reserved for userland */
1759         config_check_userland( LDAP_BACK_CFG_LAST );
1760
1761         bi->bi_cf_ocs = ldapocs;
1762
1763         rc = config_register_schema( ldapcfg, ldapocs );
1764         if ( rc ) {
1765                 return rc;
1766         }
1767
1768         /* setup olcDbAclPasswd and olcDbIDAssertPasswd
1769          * to be base64-encoded when written in LDIF form;
1770          * basically, we don't care if it fails */
1771         rc = slap_str2ad( "olcDbACLPasswd", &ad, &text );
1772         if ( rc ) {
1773                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1774                         "warning, unable to get \"olcDbACLPasswd\" "
1775                         "attribute description: %d: %s\n",
1776                         rc, text, 0 );
1777         } else {
1778                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1779                         ad->ad_type->sat_oid );
1780         }
1781
1782         ad = NULL;
1783         rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text );
1784         if ( rc ) {
1785                 Debug( LDAP_DEBUG_ANY, "config_back_initialize: "
1786                         "warning, unable to get \"olcDbIDAssertPasswd\" "
1787                         "attribute description: %d: %s\n",
1788                         rc, text, 0 );
1789         } else {
1790                 (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val,
1791                         ad->ad_type->sat_oid );
1792         }
1793
1794         return 0;
1795 }
1796
1797
1798 static int
1799 ldap_back_exop_whoami(
1800                 Operation       *op,
1801                 SlapReply       *rs )
1802 {
1803         struct berval *bv = NULL;
1804
1805         if ( op->oq_extended.rs_reqdata != NULL ) {
1806                 /* no request data should be provided */
1807                 rs->sr_text = "no request data expected";
1808                 return rs->sr_err = LDAP_PROTOCOL_ERROR;
1809         }
1810
1811         Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
1812             op->o_log_prefix, 0, 0, 0, 0 );
1813
1814         rs->sr_err = backend_check_restrictions( op, rs,
1815                         (struct berval *)&slap_EXOP_WHOAMI );
1816         if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
1817
1818         /* if auth'd by back-ldap and request is proxied, forward it */
1819         if ( op->o_conn->c_authz_backend
1820                 && !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
1821                 && !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
1822         {
1823                 ldapconn_t      *lc;
1824                 LDAPControl c, *ctrls[2] = {NULL, NULL};
1825                 LDAPMessage *res;
1826                 Operation op2 = *op;
1827                 ber_int_t msgid;
1828                 int doretry = 1;
1829                 char *ptr;
1830
1831                 ctrls[0] = &c;
1832                 op2.o_ndn = op->o_conn->c_ndn;
1833                 lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR);
1834                 if ( !lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR ) ) {
1835                         return -1;
1836                 }
1837                 c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
1838                 c.ldctl_iscritical = 1;
1839                 c.ldctl_value.bv_val = op->o_tmpalloc(
1840                         op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
1841                         op->o_tmpmemctx );
1842                 c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
1843                 ptr = c.ldctl_value.bv_val;
1844                 ptr = lutil_strcopy( ptr, "dn:" );
1845                 ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
1846                 ptr[ 0 ] = '\0';
1847
1848 retry:
1849                 rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
1850                 if ( rs->sr_err == LDAP_SUCCESS ) {
1851                         if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
1852                                 ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
1853                                         &rs->sr_err );
1854                                 if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
1855                                         doretry = 0;
1856                                         if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
1857                                                 goto retry;
1858                                         }
1859                                 }
1860
1861                         } else {
1862                                 /* NOTE: are we sure "bv" will be malloc'ed
1863                                  * with the appropriate memory? */
1864                                 rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
1865                                 ldap_msgfree(res);
1866                         }
1867                 }
1868                 op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
1869                 if ( rs->sr_err != LDAP_SUCCESS ) {
1870                         rs->sr_err = slap_map_api2result( rs );
1871                 }
1872
1873                 if ( lc != NULL ) {
1874                         ldap_back_release_conn( &op2, rs, lc );
1875                 }
1876
1877         } else {
1878                 /* else just do the same as before */
1879                 bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
1880                 if ( !BER_BVISEMPTY( &op->o_dn ) ) {
1881                         bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
1882                         bv->bv_val = ch_malloc( bv->bv_len + 1 );
1883                         AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
1884                         AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
1885                                 op->o_dn.bv_len );
1886                         bv->bv_val[ bv->bv_len ] = '\0';
1887
1888                 } else {
1889                         bv->bv_len = 0;
1890                         bv->bv_val = NULL;
1891                 }
1892         }
1893
1894         rs->sr_rspdata = bv;
1895         return rs->sr_err;
1896 }
1897
1898