git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/init.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2007 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * Portions Copyright 2002 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Dmitry Kovalev for inclusion
  19  * by OpenLDAP Software.  Additional significant contributors include
  20  * Pierangelo Masarati.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include "ac/string.h"
  28
  29 #include "slap.h"
  30 #include "config.h"
  31 #include "proto-sql.h"
  32
  33 int
  34 sql_back_initialize(
  35         BackendInfo     *bi )
  36 {
  37         static char *controls[] = {
  38                 LDAP_CONTROL_ASSERT,
  39                 LDAP_CONTROL_MANAGEDSAIT,
  40                 LDAP_CONTROL_NOOP,
  41 #if 0 /* SLAP_CONTROL_X_TREE_DELETE */
  42                 SLAP_CONTROL_X_TREE_DELETE,
  43 #endif /* SLAP_CONTROL_X_TREE_DELETE */
  44                 LDAP_CONTROL_PAGEDRESULTS,
  45                 NULL
  46         };
  47
  48         bi->bi_controls = controls;
  49
  50         bi->bi_flags |=
  51 #if 0
  52                 SLAP_BFLAG_INCREMENT |
  53 #endif
  54                 SLAP_BFLAG_REFERRALS;
  55
  56         Debug( LDAP_DEBUG_TRACE,"==>sql_back_initialize()\n", 0, 0, 0 );
  57
  58         bi->bi_db_init = backsql_db_init;
  59         bi->bi_db_config = backsql_db_config;
  60         bi->bi_db_open = backsql_db_open;
  61         bi->bi_db_close = backsql_db_close;
  62         bi->bi_db_destroy = backsql_db_destroy;
  63
  64         bi->bi_op_abandon = 0;
  65         bi->bi_op_compare = backsql_compare;
  66         bi->bi_op_bind = backsql_bind;
  67         bi->bi_op_unbind = 0;
  68         bi->bi_op_search = backsql_search;
  69         bi->bi_op_modify = backsql_modify;
  70         bi->bi_op_modrdn = backsql_modrdn;
  71         bi->bi_op_add = backsql_add;
  72         bi->bi_op_delete = backsql_delete;
  73
  74         bi->bi_chk_referrals = 0;
  75         bi->bi_operational = backsql_operational;
  76         bi->bi_entry_get_rw = backsql_entry_get;
  77         bi->bi_entry_release_rw = backsql_entry_release;
  78
  79         bi->bi_connection_init = 0;
  80         bi->bi_connection_destroy = backsql_connection_destroy;
  81
  82         Debug( LDAP_DEBUG_TRACE,"<==sql_back_initialize()\n", 0, 0, 0 );
  83         return 0;
  84 }
  85
  86 int
  87 backsql_destroy(
  88         BackendInfo     *bi )
  89 {
  90         Debug( LDAP_DEBUG_TRACE, "==>backsql_destroy()\n", 0, 0, 0 );
  91         Debug( LDAP_DEBUG_TRACE, "<==backsql_destroy()\n", 0, 0, 0 );
  92         return 0;
  93 }
  94
  95 int
  96 backsql_db_init(
  97         BackendDB       *bd,
  98         ConfigReply     *cr )
  99 {
 100         backsql_info    *bi;
 101         int             rc = 0;
 102
 103         Debug( LDAP_DEBUG_TRACE, "==>backsql_db_init()\n", 0, 0, 0 );
 104
 105         bi = (backsql_info *)ch_calloc( 1, sizeof( backsql_info ) );
 106         ldap_pvt_thread_mutex_init( &bi->sql_dbconn_mutex );
 107         ldap_pvt_thread_mutex_init( &bi->sql_schema_mutex );
 108
 109         if ( backsql_init_db_env( bi ) != SQL_SUCCESS ) {
 110                 rc = -1;
 111         }
 112
 113         bd->be_private = bi;
 114
 115         Debug( LDAP_DEBUG_TRACE, "<==backsql_db_init()\n", 0, 0, 0 );
 116
 117         return rc;
 118 }
 119
 120 int
 121 backsql_db_destroy(
 122         BackendDB       *bd,
 123         ConfigReply     *cr )
 124 {
 125         backsql_info    *bi = (backsql_info*)bd->be_private;
 126
 127         Debug( LDAP_DEBUG_TRACE, "==>backsql_db_destroy()\n", 0, 0, 0 );
 128
 129         ldap_pvt_thread_mutex_lock( &bi->sql_dbconn_mutex );
 130         backsql_free_db_env( bi );
 131         ldap_pvt_thread_mutex_unlock( &bi->sql_dbconn_mutex );
 132         ldap_pvt_thread_mutex_destroy( &bi->sql_dbconn_mutex );
 133         ldap_pvt_thread_mutex_lock( &bi->sql_schema_mutex );
 134         backsql_destroy_schema_map( bi );
 135         ldap_pvt_thread_mutex_unlock( &bi->sql_schema_mutex );
 136         ldap_pvt_thread_mutex_destroy( &bi->sql_schema_mutex );
 137
 138         if ( bi->sql_dbname ) {
 139                 ch_free( bi->sql_dbname );
 140         }
 141         if ( bi->sql_dbuser ) {
 142                 ch_free( bi->sql_dbuser );
 143         }
 144         if ( bi->sql_dbpasswd ) {
 145                 ch_free( bi->sql_dbpasswd );
 146         }
 147         if ( bi->sql_dbhost ) {
 148                 ch_free( bi->sql_dbhost );
 149         }
 150         if ( bi->sql_upper_func.bv_val ) {
 151                 ch_free( bi->sql_upper_func.bv_val );
 152                 ch_free( bi->sql_upper_func_open.bv_val );
 153                 ch_free( bi->sql_upper_func_close.bv_val );
 154         }
 155         if ( bi->sql_concat_func ) {
 156                 ber_bvarray_free( bi->sql_concat_func );
 157         }
 158         if ( !BER_BVISNULL( &bi->sql_strcast_func ) ) {
 159                 ch_free( bi->sql_strcast_func.bv_val );
 160         }
 161         if ( !BER_BVISNULL( &bi->sql_children_cond ) ) {
 162                 ch_free( bi->sql_children_cond.bv_val );
 163         }
 164         if ( !BER_BVISNULL( &bi->sql_subtree_cond ) ) {
 165                 ch_free( bi->sql_subtree_cond.bv_val );
 166         }
 167         if ( !BER_BVISNULL( &bi->sql_dn_oc_aliasing ) ) {
 168                 ch_free( bi->sql_dn_oc_aliasing.bv_val );
 169         }
 170         if ( bi->sql_oc_query ) {
 171                 ch_free( bi->sql_oc_query );
 172         }
 173         if ( bi->sql_at_query ) {
 174                 ch_free( bi->sql_at_query );
 175         }
 176         if ( bi->sql_id_query ) {
 177                 ch_free( bi->sql_id_query );
 178         }
 179         if ( bi->sql_has_children_query ) {
 180                 ch_free( bi->sql_has_children_query );
 181         }
 182         if ( bi->sql_insentry_stmt ) {
 183                 ch_free( bi->sql_insentry_stmt );
 184         }
 185         if ( bi->sql_delentry_stmt ) {
 186                 ch_free( bi->sql_delentry_stmt );
 187         }
 188         if ( bi->sql_renentry_stmt ) {
 189                 ch_free( bi->sql_renentry_stmt );
 190         }
 191         if ( bi->sql_delobjclasses_stmt ) {
 192                 ch_free( bi->sql_delobjclasses_stmt );
 193         }
 194         if ( !BER_BVISNULL( &bi->sql_aliasing ) ) {
 195                 ch_free( bi->sql_aliasing.bv_val );
 196         }
 197         if ( !BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
 198                 ch_free( bi->sql_aliasing_quote.bv_val );
 199         }
 200
 201         if ( bi->sql_anlist ) {
 202                 int     i;
 203
 204                 for ( i = 0; !BER_BVISNULL( &bi->sql_anlist[ i ].an_name ); i++ )
 205                 {
 206                         ch_free( bi->sql_anlist[ i ].an_name.bv_val );
 207                 }
 208                 ch_free( bi->sql_anlist );
 209         }
 210
 211         if ( bi->sql_baseObject ) {
 212                 entry_free( bi->sql_baseObject );
 213         }
 214
 215         ch_free( bi );
 216
 217         Debug( LDAP_DEBUG_TRACE, "<==backsql_db_destroy()\n", 0, 0, 0 );
 218         return 0;
 219 }
 220
 221 int
 222 backsql_db_open(
 223         BackendDB       *bd,
 224         ConfigReply     *cr )
 225 {
 226         backsql_info    *bi = (backsql_info*)bd->be_private;
 227         SQLHDBC         dbh = SQL_NULL_HDBC;
 228         struct berbuf   bb = BB_NULL;
 229
 230         OperationBuffer opbuf;
 231         Operation*      op;
 232
 233         Debug( LDAP_DEBUG_TRACE, "==>backsql_db_open(): "
 234                 "testing RDBMS connection\n", 0, 0, 0 );
 235         if ( bi->sql_dbname == NULL ) {
 236                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 237                         "datasource name not specified "
 238                         "(use \"dbname\" directive in slapd.conf)\n", 0, 0, 0 );
 239                 return 1;
 240         }
 241
 242         if ( bi->sql_concat_func == NULL ) {
 243                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 244                         "concat func not specified (use \"concat_pattern\" "
 245                         "directive in slapd.conf)\n", 0, 0, 0 );
 246
 247                 if ( backsql_split_pattern( backsql_def_concat_func,
 248                                 &bi->sql_concat_func, 2 ) ) {
 249                         Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 250                                 "unable to parse pattern \"%s\"",
 251                                 backsql_def_concat_func, 0, 0 );
 252                         return 1;
 253                 }
 254         }
 255
 256         /*
 257          * see back-sql.h for default values
 258          */
 259         if ( BER_BVISNULL( &bi->sql_aliasing ) ) {
 260                 ber_str2bv( BACKSQL_ALIASING,
 261                         STRLENOF( BACKSQL_ALIASING ),
 262                         1, &bi->sql_aliasing );
 263         }
 264
 265         if ( BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
 266                 ber_str2bv( BACKSQL_ALIASING_QUOTE,
 267                         STRLENOF( BACKSQL_ALIASING_QUOTE ),
 268                         1, &bi->sql_aliasing_quote );
 269         }
 270
 271         /*
 272          * Prepare cast string as required
 273          */
 274         if ( bi->sql_upper_func.bv_val ) {
 275                 char buf[1024];
 276
 277                 if ( BACKSQL_UPPER_NEEDS_CAST( bi ) ) {
 278                         snprintf( buf, sizeof( buf ),
 279                                 "%s(cast (" /* ? as varchar(%d))) */ ,
 280                                 bi->sql_upper_func.bv_val );
 281                         ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
 282
 283                         snprintf( buf, sizeof( buf ),
 284                                 /* (cast(? */ " as varchar(%d)))",
 285                                 BACKSQL_MAX_DN_LEN );
 286                         ber_str2bv( buf, 0, 1, &bi->sql_upper_func_close );
 287
 288                 } else {
 289                         snprintf( buf, sizeof( buf ), "%s(" /* ?) */ ,
 290                                         bi->sql_upper_func.bv_val );
 291                         ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );
 292
 293                         ber_str2bv( /* (? */ ")", 0, 1, &bi->sql_upper_func_close );
 294                 }
 295         }
 296
 297         /* normalize filter values only if necessary */
 298         bi->sql_caseIgnoreMatch = mr_find( "caseIgnoreMatch" );
 299         assert( bi->sql_caseIgnoreMatch != NULL );
 300
 301         bi->sql_telephoneNumberMatch = mr_find( "telephoneNumberMatch" );
 302         assert( bi->sql_telephoneNumberMatch != NULL );
 303
 304         if ( bi->sql_dbuser == NULL ) {
 305                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 306                         "user name not specified "
 307                         "(use \"dbuser\" directive in slapd.conf)\n", 0, 0, 0 );
 308                 return 1;
 309         }
 310
 311         if ( BER_BVISNULL( &bi->sql_subtree_cond ) ) {
 312                 /*
 313                  * Prepare concat function for subtree search condition
 314                  */
 315                 struct berval   concat;
 316                 struct berval   values[] = {
 317                         BER_BVC( "'%'" ),
 318                         BER_BVC( "?" ),
 319                         BER_BVNULL
 320                 };
 321                 struct berbuf   bb = BB_NULL;
 322
 323                 if ( backsql_prepare_pattern( bi->sql_concat_func, values,
 324                                 &concat ) ) {
 325                         Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 326                                 "unable to prepare CONCAT pattern", 0, 0, 0 );
 327                         return 1;
 328                 }
 329
 330                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 331                         "subtree search SQL condition not specified "
 332                         "(use \"subtree_cond\" directive in slapd.conf)\n",
 333                         0, 0, 0);
 334
 335                 if ( bi->sql_upper_func.bv_val ) {
 336
 337                         /*
 338                          * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%',?))
 339                          */
 340
 341                         backsql_strfcat_x( &bb, NULL, "blbbb",
 342                                         &bi->sql_upper_func,
 343                                         (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
 344                                                 "(ldap_entries.dn) LIKE ",
 345                                         &bi->sql_upper_func_open,
 346                                         &concat,
 347                                         &bi->sql_upper_func_close );
 348
 349                 } else {
 350
 351                         /*
 352                          * ldap_entries.dn LIKE CONCAT('%',?)
 353                          */
 354
 355                         backsql_strfcat_x( &bb, NULL, "lb",
 356                                         (ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
 357                                                 "ldap_entries.dn LIKE ",
 358                                         &concat );
 359                 }
 360
 361                 ch_free( concat.bv_val );
 362
 363                 bi->sql_subtree_cond = bb.bb_val;
 364
 365                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 366                         "setting \"%s\" as default\n",
 367                         bi->sql_subtree_cond.bv_val, 0, 0 );
 368         }
 369
 370         if ( bi->sql_children_cond.bv_val == NULL ) {
 371                 struct berbuf   bb = BB_NULL;
 372
 373                 if ( bi->sql_upper_func.bv_val ) {
 374
 375                         /*
 376                          * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%,',?))
 377                          */
 378
 379                         backsql_strfcat_x( &bb, NULL, "blbl",
 380                                         &bi->sql_upper_func,
 381                                         (ber_len_t)STRLENOF( "(ldap_entries.dn)=" ),
 382                                                 "(ldap_entries.dn)=",
 383                                         &bi->sql_upper_func,
 384                                         (ber_len_t)STRLENOF( "(?)" ), "(?)" );
 385
 386                 } else {
 387
 388                         /*
 389                          * ldap_entries.dn LIKE CONCAT('%,',?)
 390                          */
 391
 392                         backsql_strfcat_x( &bb, NULL, "l",
 393                                         (ber_len_t)STRLENOF( "ldap_entries.dn=?" ),
 394                                                 "ldap_entries.dn=?");
 395                 }
 396
 397                 bi->sql_children_cond = bb.bb_val;
 398
 399                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 400                         "setting \"%s\" as default\n",
 401                         bi->sql_children_cond.bv_val, 0, 0 );
 402         }
 403
 404         if ( bi->sql_oc_query == NULL ) {
 405                 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
 406                         bi->sql_oc_query =
 407                                 ch_strdup( backsql_def_needs_select_oc_query );
 408
 409                 } else {
 410                         bi->sql_oc_query = ch_strdup( backsql_def_oc_query );
 411                 }
 412
 413                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 414                         "objectclass mapping SQL statement not specified "
 415                         "(use \"oc_query\" directive in slapd.conf)\n",
 416                         0, 0, 0 );
 417                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 418                         "setting \"%s\" by default\n", bi->sql_oc_query, 0, 0 );
 419         }
 420
 421         if ( bi->sql_at_query == NULL ) {
 422                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 423                         "attribute mapping SQL statement not specified "
 424                         "(use \"at_query\" directive in slapd.conf)\n",
 425                         0, 0, 0 );
 426                 Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
 427                         "setting \"%s\" by default\n",
 428                         backsql_def_at_query, 0, 0 );
 429                 bi->sql_at_query = ch_strdup( backsql_def_at_query );
 430         }
 431
 432         if ( bi->sql_insentry_stmt == NULL ) {
 433                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 434                         "entry insertion SQL statement not specified "
 435                         "(use \"insentry_stmt\" directive in slapd.conf)\n",
 436                         0, 0, 0 );
 437                 Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
 438                         "setting \"%s\" by default\n",
 439                         backsql_def_insentry_stmt, 0, 0 );
 440                 bi->sql_insentry_stmt = ch_strdup( backsql_def_insentry_stmt );
 441         }
 442
 443         if ( bi->sql_delentry_stmt == NULL ) {
 444                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 445                         "entry deletion SQL statement not specified "
 446                         "(use \"delentry_stmt\" directive in slapd.conf)\n",
 447                         0, 0, 0 );
 448                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 449                         "setting \"%s\" by default\n",
 450                         backsql_def_delentry_stmt, 0, 0 );
 451                 bi->sql_delentry_stmt = ch_strdup( backsql_def_delentry_stmt );
 452         }
 453
 454         if ( bi->sql_renentry_stmt == NULL ) {
 455                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 456                         "entry deletion SQL statement not specified "
 457                         "(use \"renentry_stmt\" directive in slapd.conf)\n",
 458                         0, 0, 0 );
 459                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 460                         "setting \"%s\" by default\n",
 461                         backsql_def_renentry_stmt, 0, 0 );
 462                 bi->sql_renentry_stmt = ch_strdup( backsql_def_renentry_stmt );
 463         }
 464
 465         if ( bi->sql_delobjclasses_stmt == NULL ) {
 466                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 467                         "objclasses deletion SQL statement not specified "
 468                         "(use \"delobjclasses_stmt\" directive in slapd.conf)\n",
 469                         0, 0, 0 );
 470                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 471                         "setting \"%s\" by default\n",
 472                         backsql_def_delobjclasses_stmt, 0, 0 );
 473                 bi->sql_delobjclasses_stmt = ch_strdup( backsql_def_delobjclasses_stmt );
 474         }
 475
 476         /* This should just be to force schema loading */
 477         op = &opbuf.ob_op;
 478         op->o_hdr = &opbuf.ob_hdr;
 479         op->o_connid = (unsigned long)(-1);
 480         op->o_bd = bd;
 481         if ( backsql_get_db_conn( op, &dbh ) != LDAP_SUCCESS ) {
 482                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 483                         "connection failed, exiting\n", 0, 0, 0 );
 484                 return 1;
 485         }
 486
 487         if ( backsql_free_db_conn( op ) != SQL_SUCCESS ) {
 488                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 489                         "connection free failed\n", 0, 0, 0 );
 490         }
 491         if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
 492                 Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
 493                         "test failed, schema map not loaded - exiting\n",
 494                         0, 0, 0 );
 495                 return 1;
 496         }
 497
 498         /*
 499          * Prepare ID selection query
 500          */
 501         if ( bi->sql_id_query == NULL ) {
 502                 /* no custom id_query provided */
 503                 if ( bi->sql_upper_func.bv_val == NULL ) {
 504                         backsql_strcat_x( &bb, NULL, backsql_id_query, "dn=?", NULL );
 505
 506                 } else {
 507                         if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
 508                                 backsql_strcat_x( &bb, NULL, backsql_id_query,
 509                                                 "dn_ru=?", NULL );
 510                         } else {
 511                                 if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
 512                                         backsql_strfcat_x( &bb, NULL, "sbl",
 513                                                         backsql_id_query,
 514                                                         &bi->sql_upper_func,
 515                                                         (ber_len_t)STRLENOF( "(dn)=?" ), "(dn)=?" );
 516                                 } else {
 517                                         backsql_strfcat_x( &bb, NULL, "sblbcb",
 518                                                         backsql_id_query,
 519                                                         &bi->sql_upper_func,
 520                                                         (ber_len_t)STRLENOF( "(dn)=" ), "(dn)=",
 521                                                         &bi->sql_upper_func_open,
 522                                                         '?',
 523                                                         &bi->sql_upper_func_close );
 524                                 }
 525                         }
 526                 }
 527                 bi->sql_id_query = bb.bb_val.bv_val;
 528         }
 529
 530         /*
 531          * Prepare children ID selection query
 532          */
 533         BER_BVZERO( &bb.bb_val );
 534         bb.bb_len = 0;
 535         backsql_strfcat_x( &bb, NULL, "sbsb",
 536                         "SELECT COUNT(distinct subordinates.id) "
 537                         "FROM ldap_entries,ldap_entries ",
 538                         &bi->sql_aliasing, "subordinates "
 539                         "WHERE subordinates.parent=ldap_entries.id AND ",
 540                         &bi->sql_children_cond );
 541         bi->sql_has_children_query = bb.bb_val.bv_val;
 542
 543         /*
 544          * Prepare DN and objectClass aliasing bit of query
 545          */
 546         BER_BVZERO( &bb.bb_val );
 547         bb.bb_len = 0;
 548         backsql_strfcat_x( &bb, NULL, "sbbsbsbbsb",
 549                         " ", &bi->sql_aliasing, &bi->sql_aliasing_quote,
 550                         "objectClass", &bi->sql_aliasing_quote,
 551                         ",ldap_entries.dn ", &bi->sql_aliasing,
 552                         &bi->sql_aliasing_quote, "dn", &bi->sql_aliasing_quote );
 553         bi->sql_dn_oc_aliasing = bb.bb_val;
 554
 555         /* should never happen! */
 556         assert( bd->be_nsuffix != NULL );
 557
 558         if ( BER_BVISNULL( &bd->be_nsuffix[ 1 ] ) ) {
 559                 /* enable if only one suffix is defined */
 560                 bi->sql_flags |= BSQLF_USE_SUBTREE_SHORTCUT;
 561         }
 562
 563         bi->sql_flags |= BSQLF_CHECK_SCHEMA;
 564
 565         Debug( LDAP_DEBUG_TRACE, "<==backsql_db_open(): "
 566                 "test succeeded, schema map loaded\n", 0, 0, 0 );
 567         return 0;
 568 }
 569
 570 int
 571 backsql_db_close(
 572         BackendDB       *bd,
 573         ConfigReply     *cr )
 574 {
 575         backsql_info    *bi = (backsql_info*)bd->be_private;
 576
 577         Debug( LDAP_DEBUG_TRACE, "==>backsql_db_close()\n", 0, 0, 0 );
 578
 579         backsql_conn_destroy( bi );
 580
 581         Debug( LDAP_DEBUG_TRACE, "<==backsql_db_close()\n", 0, 0, 0 );
 582
 583         return 0;
 584 }
 585
 586 int
 587 backsql_connection_destroy( Backend *bd, Connection *c )
 588 {
 589         OperationBuffer opbuf;
 590         Operation*      op = &opbuf.ob_op;
 591
 592         op->o_hdr = &opbuf.ob_hdr;
 593         op->o_connid = c->c_connid;
 594         op->o_bd = bd;
 595
 596         Debug( LDAP_DEBUG_TRACE, "==>backsql_connection_destroy()\n", 0, 0, 0 );
 597         backsql_free_db_conn( op );
 598         Debug( LDAP_DEBUG_TRACE, "<==backsql_connection_destroy()\n", 0, 0, 0 );
 599
 600         return 0;
 601 }
 602
 603 #if SLAPD_SQL == SLAPD_MOD_DYNAMIC
 604
 605 /* conditionally define the init_module() function */
 606 SLAP_BACKEND_INIT_MODULE( sql )
 607
 608 #endif /* SLAPD_SQL == SLAPD_MOD_DYNAMIC */
 609