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

   1 /*
   2  *       Copyright 1999, Dmitry Kovalev <mit@openldap.org>, All rights reserved.
   3  *
   4  *       Redistribution and use in source and binary forms are permitted only
   5  *       as authorized by the OpenLDAP Public License.  A copy of this
   6  *       license is available at http://www.OpenLDAP.org/license.html or
   7  *       in file LICENSE in the top-level directory of the distribution.
   8  */
   9
  10 #include "portable.h"
  11
  12 #ifdef SLAPD_SQL
  13
  14 #include <stdio.h>
  15 #include <sys/types.h>
  16 #include "ac/string.h"
  17 #include "slap.h"
  18 #include "lber_pvt.h"
  19 #include "ldap_pvt.h"
  20 #include "back-sql.h"
  21 #include "sql-wrap.h"
  22 #include "schema-map.h"
  23 #include "util.h"
  24
  25 /*
  26  * Uses the pointer to the ObjectClass structure
  27  */
  28 static int
  29 backsql_cmp_oc( const void *v_m1, const void *v_m2 )
  30 {
  31         const backsql_oc_map_rec *m1 = v_m1, *m2 = v_m2;
  32         return SLAP_PTRCMP( m1->oc, m2->oc );
  33 }
  34
  35 static int
  36 backsql_cmp_oc_id( const void *v_m1, const void *v_m2 )
  37 {
  38         const backsql_oc_map_rec *m1 = v_m1, *m2 = v_m2;
  39         return ( m1->id < m2->id ? -1 : ( m1->id > m2->id ? 1 : 0 ) );
  40 }
  41
  42 /*
  43  * Uses the pointer to the AttributeDescription structure
  44  */
  45 static int
  46 backsql_cmp_attr( const void *v_m1, const void *v_m2 )
  47 {
  48         const backsql_at_map_rec *m1 = v_m1, *m2 = v_m2;
  49         return SLAP_PTRCMP( m1->ad, m2->ad );
  50 }
  51
  52 static int
  53 backsql_make_attr_query(
  54         backsql_oc_map_rec      *oc_map,
  55         backsql_at_map_rec      *at_map )
  56 {
  57         struct berbuf   bb = BB_NULL;
  58
  59         backsql_strfcat( &bb, "lblblblbcbl",
  60                         (ber_len_t)sizeof( "SELECT " ) - 1, "SELECT ",
  61                         &at_map->sel_expr,
  62                         (ber_len_t)sizeof( " AS " ) - 1, " AS ",
  63                         &at_map->ad->ad_cname,
  64                         (ber_len_t)sizeof( " FROM " ) - 1, " FROM ",
  65                         &at_map->from_tbls,
  66                         (ber_len_t)sizeof( " WHERE " ) - 1, " WHERE ",
  67                         &oc_map->keytbl,
  68                         '.',
  69                         &oc_map->keycol,
  70                         (ber_len_t)sizeof( "=?" ) - 1, "=?" );
  71
  72         if ( at_map->join_where.bv_val != NULL ) {
  73                 backsql_strfcat( &bb, "lb",
  74                                 (ber_len_t)sizeof( " AND ") - 1, " AND ",
  75                                 &at_map->join_where );
  76         }
  77
  78         at_map->query = bb.bb_val.bv_val;
  79
  80         return 0;
  81 }
  82
  83 static int
  84 backsql_add_sysmaps( backsql_oc_map_rec *oc_map )
  85 {
  86         backsql_at_map_rec      *at_map;
  87         char                    s[] = "+9223372036854775807L";
  88         ber_len_t               slen;
  89         struct berbuf           bb;
  90
  91
  92         snprintf( s, sizeof( s ), "%ld", oc_map->id );
  93         slen = strlen( s );
  94
  95         at_map = (backsql_at_map_rec *)ch_calloc(1,
  96                         sizeof( backsql_at_map_rec ) );
  97         at_map->ad = slap_schema.si_ad_objectClass;
  98         ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1, &at_map->sel_expr );
  99         ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1,
 100                         &at_map->from_tbls );
 101
 102         bb.bb_len = at_map->from_tbls.bv_len + 1;
 103         bb.bb_val = at_map->from_tbls;
 104         backsql_merge_from_clause( &bb, &oc_map->keytbl );
 105         at_map->from_tbls = bb.bb_val;
 106
 107         bb.bb_val.bv_val = NULL;
 108         bb.bb_val.bv_len = 0;
 109         bb.bb_len = 0;
 110         backsql_strfcat( &bb, "lbcbll",
 111                         (ber_len_t)sizeof( "ldap_entries.id=ldap_entry_objclasses.entry_id and ldap_entries.keyval=" ) - 1,
 112                                 "ldap_entries.id=ldap_entry_objclasses.entry_id and ldap_entries.keyval=",
 113                         &oc_map->keytbl,
 114                         '.',
 115                         &oc_map->keycol,
 116                         (ber_len_t)sizeof( " and ldap_entries.oc_map_id=" ) - 1,
 117                                 " and ldap_entries.oc_map_id=",
 118                         slen, s );
 119
 120         at_map->join_where = bb.bb_val;
 121         at_map->add_proc = NULL;
 122         at_map->delete_proc = NULL;
 123         at_map->param_order = 0;
 124         at_map->expect_return = 0;
 125
 126         backsql_make_attr_query( oc_map, at_map );
 127         avl_insert( &oc_map->attrs, at_map, backsql_cmp_attr, NULL );
 128
 129         at_map = (backsql_at_map_rec *)ch_calloc( 1,
 130                         sizeof( backsql_at_map_rec ) );
 131         at_map->ad = slap_schema.si_ad_ref;
 132         ber_str2bv( "ldap_referrals.url", 0, 1, &at_map->sel_expr );
 133         ber_str2bv( "ldap_referrals,ldap_entries", 0, 1, &at_map->from_tbls );
 134
 135         bb.bb_val.bv_val = NULL;
 136         bb.bb_val.bv_len = 0;
 137         bb.bb_len = at_map->from_tbls.bv_len + 1;
 138         backsql_merge_from_clause( &bb, &oc_map->keytbl );
 139         at_map->from_tbls = bb.bb_val;
 140
 141         bb.bb_val.bv_val = NULL;
 142         bb.bb_val.bv_len = 0;
 143         bb.bb_len = 0;
 144         backsql_strfcat( &bb, "lbcbll",
 145                         (ber_len_t)sizeof( "ldap_entries.id=ldap_referrals.entry_id and ldap_entries.keyval=" ) - 1,
 146                                 "ldap_entries.id=ldap_referrals.entry_id and ldap_entries.keyval=",
 147                         &oc_map->keytbl,
 148                         '.',
 149                         &oc_map->keycol,
 150                         (ber_len_t)sizeof( " and ldap_entries.oc_map_id=" ) - 1,
 151                                 " and ldap_entries.oc_map_id=",
 152                         slen, s );
 153
 154         at_map->join_where = bb.bb_val;
 155         at_map->add_proc = NULL;
 156         at_map->delete_proc = NULL;
 157         at_map->param_order = 0;
 158         at_map->expect_return = 0;
 159
 160         backsql_make_attr_query( oc_map, at_map );
 161         avl_insert( &oc_map->attrs, at_map, backsql_cmp_attr, NULL );
 162
 163         return 1;
 164 }
 165
 166 int
 167 backsql_load_schema_map( backsql_info *si, SQLHDBC dbh )
 168 {
 169         SQLHSTMT                oc_sth, at_sth;
 170         RETCODE                 rc;
 171         BACKSQL_ROW_NTS         oc_row, at_row;
 172         unsigned long           oc_id;
 173         backsql_oc_map_rec      *oc_map;
 174         backsql_at_map_rec      *at_map;
 175
 176         Debug( LDAP_DEBUG_TRACE, "==>load_schema_map()\n", 0, 0, 0 );
 177
 178         /*
 179          * TimesTen : See if the ldap_entries.dn_ru field exists in the schema
 180          */
 181         if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( si ) ) {
 182                 rc = backsql_Prepare( dbh, &oc_sth,
 183                                 backsql_check_dn_ru_query, 0 );
 184                 if ( rc == SQL_SUCCESS ) {
 185                         /* Yes, the field exists */
 186                         si->bsql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
 187                         Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists "
 188                                 "in the schema\n", 0, 0, 0 );
 189                 } else {
 190                         /* No such field exists */
 191                         si->bsql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
 192                 }
 193
 194                 SQLFreeStmt( oc_sth, SQL_DROP );
 195         }
 196
 197
 198         rc = backsql_Prepare( dbh, &oc_sth, si->oc_query, 0 );
 199         if ( rc != SQL_SUCCESS ) {
 200                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 201                         "error preparing oc_query: '%s'\n",
 202                         si->oc_query, 0, 0 );
 203                 backsql_PrintErrors( si->db_env, dbh, oc_sth, rc );
 204                 return LDAP_OTHER;
 205         }
 206         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): at_query '%s'\n",
 207                         si->at_query, 0, 0 );
 208
 209         rc = backsql_Prepare( dbh, &at_sth, si->at_query, 0 );
 210         if ( rc != SQL_SUCCESS ) {
 211                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 212                         "error preparing at_query: '%s'\n",
 213                         si->at_query, 0, 0 );
 214                 backsql_PrintErrors( si->db_env, dbh, at_sth, rc );
 215                 return LDAP_OTHER;
 216         }
 217
 218         rc = backsql_BindParamID( at_sth, 1, &oc_id );
 219         if ( rc != SQL_SUCCESS ) {
 220                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 221                         "error binding param for at_query: \n", 0, 0, 0 );
 222                 backsql_PrintErrors( si->db_env, dbh, at_sth, rc );
 223                 return LDAP_OTHER;
 224         }
 225
 226         rc = SQLExecute( oc_sth );
 227         if ( rc != SQL_SUCCESS ) {
 228                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 229                         "error executing oc_query: \n", 0, 0, 0 );
 230                 backsql_PrintErrors( si->db_env, dbh, oc_sth, rc );
 231                 return LDAP_OTHER;
 232         }
 233
 234         backsql_BindRowAsStrings( oc_sth, &oc_row );
 235         rc = SQLFetch( oc_sth );
 236         for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( oc_sth ) ) {
 237                 int     colnum;
 238
 239                 oc_map = (backsql_oc_map_rec *)ch_calloc( 1,
 240                                 sizeof( backsql_oc_map_rec ) );
 241
 242                 oc_map->id = strtol( oc_row.cols[ 0 ], NULL, 0 );
 243
 244                 oc_map->oc = oc_find( oc_row.cols[ 1 ] );
 245                 if ( oc_map->oc == NULL ) {
 246                         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 247                                 "objectClass '%s' is not defined in schema\n",
 248                                 oc_row.cols[ 1 ], 0, 0 );
 249                         return LDAP_OTHER;      /* undefined objectClass ? */
 250                 }
 251
 252                 ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->keytbl );
 253                 ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->keycol );
 254                 oc_map->create_proc = ( oc_row.value_len[ 4 ] < 0 ) ? NULL
 255                         : ch_strdup( oc_row.cols[ 4 ] );
 256
 257                 colnum = 5;
 258                 if ( BACKSQL_CREATE_NEEDS_SELECT( si ) ) {
 259                         colnum = 6;
 260                         oc_map->create_keyval = ( oc_row.value_len[ 5 ] < 0 )
 261                                 ? NULL : ch_strdup( oc_row.cols[ 5 ] );
 262                 }
 263                 oc_map->delete_proc = ( oc_row.value_len[ colnum ] < 0 ) ? NULL
 264                         : ch_strdup( oc_row.cols[ colnum ] );
 265                 oc_map->expect_return = strtol( oc_row.cols[ colnum + 1 ],
 266                                 NULL, 0 );
 267
 268                 /*
 269                  * FIXME: first attempt to check for offending
 270                  * instructions in {create|delete}_proc
 271                  */
 272
 273                 oc_map->attrs = NULL;
 274                 avl_insert( &si->oc_by_oc, oc_map, backsql_cmp_oc, NULL );
 275                 avl_insert( &si->oc_by_id, oc_map, backsql_cmp_oc_id, NULL );
 276                 oc_id = oc_map->id;
 277                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 278                         "objectClass '%s': keytbl='%s' keycol='%s'\n",
 279                         BACKSQL_OC_NAME( oc_map ),
 280                         oc_map->keytbl.bv_val, oc_map->keycol.bv_val );
 281                 if ( oc_map->create_proc ) {
 282                         Debug( LDAP_DEBUG_TRACE, "create_proc='%s'\n",
 283                                 oc_map->create_proc, 0, 0 );
 284                 }
 285                 if ( oc_map->create_keyval ) {
 286                         Debug( LDAP_DEBUG_TRACE, "create_keyval='%s'\n",
 287                                 oc_map->create_keyval, 0, 0 );
 288                 }
 289                 if ( oc_map->delete_proc ) {
 290                         Debug( LDAP_DEBUG_TRACE, "delete_proc='%s'\n",
 291                                 oc_map->delete_proc, 0, 0 );
 292                 }
 293                 Debug( LDAP_DEBUG_TRACE, "expect_return: "
 294                         "add=%d, del=%d; attributes:\n",
 295                         BACKSQL_IS_ADD( oc_map->expect_return ),
 296                         BACKSQL_IS_DEL( oc_map->expect_return ), 0 );
 297
 298                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 299                         "autoadding 'objectClass' and 'ref' mappings\n",
 300                         0, 0, 0 );
 301                 backsql_add_sysmaps( oc_map );
 302                 rc = SQLExecute( at_sth );
 303                 if ( rc != SQL_SUCCESS ) {
 304                         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 305                                 "error executing at_query: \n", 0, 0, 0 );
 306                         backsql_PrintErrors( SQL_NULL_HENV, dbh, at_sth, rc );
 307                         return LDAP_OTHER;
 308                 }
 309
 310                 backsql_BindRowAsStrings( at_sth, &at_row );
 311                 rc = SQLFetch( at_sth );
 312                 for ( ; BACKSQL_SUCCESS(rc); rc = SQLFetch( at_sth ) ) {
 313                         const char      *text = NULL;
 314                         struct berval   bv;
 315                         struct berbuf   bb = BB_NULL;
 316
 317                         Debug( LDAP_DEBUG_TRACE, "********'%s'\n",
 318                                 at_row.cols[ 0 ], 0, 0 );
 319                         Debug( LDAP_DEBUG_TRACE,
 320                                 "name='%s',sel_expr='%s' from='%s'",
 321                                 at_row.cols[ 0 ], at_row.cols[ 1 ],
 322                                 at_row.cols[ 2 ] );
 323                         Debug( LDAP_DEBUG_TRACE,
 324                                 "join_where='%s',add_proc='%s'",
 325                                 at_row.cols[ 3 ], at_row.cols[ 4 ], 0 );
 326                         Debug( LDAP_DEBUG_TRACE, "delete_proc='%s'\n",
 327                                         at_row.cols[ 5 ], 0, 0 );
 328                         /* TimesTen */
 329                         Debug( LDAP_DEBUG_TRACE, "sel_expr_u='%s'\n",
 330                                         at_row.cols[ 8 ], 0, 0 );
 331                         at_map = (backsql_at_map_rec *)ch_calloc( 1,
 332                                         sizeof( backsql_at_map_rec ) );
 333                         rc = slap_str2ad( at_row.cols[ 0 ],
 334                                         &at_map->ad, &text );
 335                         if ( rc != LDAP_SUCCESS ) {
 336                                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 337                                         "attribute '%s' for objectClass '%s' "
 338                                         "is not defined in schema: %s\n",
 339                                         at_row.cols[ 0 ],
 340                                         BACKSQL_OC_NAME( oc_map ), text );
 341                                 return LDAP_CONSTRAINT_VIOLATION;
 342                         }
 343
 344                         ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->sel_expr );
 345                         if ( at_row.value_len[ 8 ] < 0 ) {
 346                                 at_map->sel_expr_u.bv_val = NULL;
 347                                 at_map->sel_expr_u.bv_len = 0;
 348                         } else {
 349                                 ber_str2bv( at_row.cols[ 8 ], 0, 1,
 350                                                 &at_map->sel_expr_u );
 351                         }
 352
 353                         ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv );
 354                         backsql_merge_from_clause( &bb, &bv );
 355                         at_map->from_tbls = bb.bb_val;
 356                         if ( at_row.value_len[ 3 ] < 0 ) {
 357                                 at_map->join_where.bv_val = NULL;
 358                                 at_map->join_where.bv_len = 0;
 359                         } else {
 360                                 ber_str2bv( at_row.cols[ 3 ], 0, 1,
 361                                                 &at_map->join_where );
 362                         }
 363                         at_map->add_proc = NULL;
 364                         if ( at_row.value_len[ 4 ] > 0 ) {
 365                                 at_map->add_proc = ch_strdup( at_row.cols[4] );
 366                         }
 367                         at_map->delete_proc = NULL;
 368                         if ( at_row.value_len[ 5 ] > 0 ) {
 369                                 at_map->delete_proc
 370                                         = ch_strdup( at_row.cols[ 5 ] );
 371                         }
 372                         at_map->param_order = strtol( at_row.cols[ 6 ],
 373                                         NULL, 0 );
 374                         at_map->expect_return = strtol( at_row.cols[ 7 ],
 375                                         NULL, 0 );
 376                         backsql_make_attr_query( oc_map, at_map );
 377                         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 378                                 "preconstructed query '%s'\n",
 379                                 at_map->query, 0, 0 );
 380                         avl_insert( &oc_map->attrs, at_map, backsql_cmp_attr, NULL );
 381                 }
 382                 backsql_FreeRow( &at_row );
 383                 SQLFreeStmt( at_sth, SQL_CLOSE );
 384         }
 385         backsql_FreeRow( &oc_row );
 386         SQLFreeStmt( at_sth, SQL_DROP );
 387         SQLFreeStmt( oc_sth, SQL_DROP );
 388         si->bsql_flags |= BSQLF_SCHEMA_LOADED;
 389         Debug( LDAP_DEBUG_TRACE, "<==load_schema_map()\n", 0, 0, 0 );
 390         return LDAP_SUCCESS;
 391 }
 392
 393 backsql_oc_map_rec *
 394 backsql_oc2oc( backsql_info *si, ObjectClass *oc )
 395 {
 396         backsql_oc_map_rec      tmp, *res;
 397
 398 #ifdef BACKSQL_TRACE
 399         Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): "
 400                 "searching for objectclass with name='%s'\n",
 401                 objclass, 0, 0 );
 402 #endif /* BACKSQL_TRACE */
 403
 404         tmp.oc = oc;
 405         res = (backsql_oc_map_rec *)avl_find( si->oc_by_oc, &tmp, backsql_cmp_oc );
 406 #ifdef BACKSQL_TRACE
 407         if ( res != NULL ) {
 408                 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
 409                         "found name='%s', id=%d\n",
 410                         BACKSQL_OC_NAME( res ), res->id, 0 );
 411         } else {
 412                 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
 413                         "not found\n", 0, 0, 0 );
 414         }
 415 #endif /* BACKSQL_TRACE */
 416
 417         return res;
 418 }
 419
 420 backsql_oc_map_rec *
 421 backsql_name2oc( backsql_info *si, struct berval *oc_name )
 422 {
 423         backsql_oc_map_rec      tmp, *res;
 424
 425 #ifdef BACKSQL_TRACE
 426         Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): "
 427                 "searching for objectclass with name='%s'\n",
 428                 objclass, 0, 0 );
 429 #endif /* BACKSQL_TRACE */
 430
 431         tmp.oc = oc_bvfind( oc_name );
 432         if ( tmp.oc == NULL ) {
 433                 return NULL;
 434         }
 435
 436         res = (backsql_oc_map_rec *)avl_find( si->oc_by_oc, &tmp, backsql_cmp_oc );
 437 #ifdef BACKSQL_TRACE
 438         if ( res != NULL ) {
 439                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 440                         "found name='%s', id=%d\n",
 441                         BACKSQL_OC_NAME( res ), res->id, 0 );
 442         } else {
 443                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 444                         "not found\n", 0, 0, 0 );
 445         }
 446 #endif /* BACKSQL_TRACE */
 447
 448         return res;
 449 }
 450
 451 backsql_oc_map_rec *
 452 backsql_id2oc( backsql_info *si, unsigned long id )
 453 {
 454         backsql_oc_map_rec      tmp, *res;
 455
 456 #ifdef BACKSQL_TRACE
 457         Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): "
 458                 "searching for objectclass with id='%d'\n", id, 0, 0 );
 459 #endif /* BACKSQL_TRACE */
 460
 461         tmp.id = id;
 462         res = (backsql_oc_map_rec *)avl_find( si->oc_by_id, &tmp,
 463                         backsql_cmp_oc_id );
 464
 465 #ifdef BACKSQL_TRACE
 466         if ( res != NULL ) {
 467                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 468                         "found name='%s', id=%d\n",
 469                         BACKSQL_OC_NAME( res ), res->id, 0 );
 470         } else {
 471                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 472                         "not found\n", 0, 0, 0 );
 473         }
 474 #endif /* BACKSQL_TRACE */
 475
 476         return res;
 477 }
 478
 479 backsql_at_map_rec *
 480 backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad )
 481 {
 482         backsql_at_map_rec      tmp, *res;
 483
 484 #ifdef BACKSQL_TRACE
 485         Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): "
 486                 "searching for attribute '%s' for objectclass '%s'\n",
 487                 attr, BACKSQL_OC_NAME( objclass ), 0 );
 488 #endif /* BACKSQL_TRACE */
 489
 490         tmp.ad = ad;
 491         res = (backsql_at_map_rec *)avl_find( objclass->attrs, &tmp,
 492                         backsql_cmp_attr );
 493
 494 #ifdef BACKSQL_TRACE
 495         if ( res != NULL ) {
 496                 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
 497                         "found name='%s', sel_expr='%s'\n",
 498                         res->ad->ad_cname.bv_val, res->sel_expr.bv_val, 0 );
 499         } else {
 500                 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
 501                         "not found\n", 0, 0, 0 );
 502         }
 503 #endif /* BACKSQL_TRACE */
 504
 505         return res;
 506 }
 507
 508 /*
 509  * Deprecated
 510  */
 511 backsql_at_map_rec *
 512 backsql_name2at( backsql_oc_map_rec* objclass, struct berval *attr )
 513 {
 514         backsql_at_map_rec      tmp, *res;
 515         const char              *text = NULL;
 516
 517 #ifdef BACKSQL_TRACE
 518         Debug( LDAP_DEBUG_TRACE, "==>backsql_name2at(): "
 519                 "searching for attribute '%s' for objectclass '%s'\n",
 520                 attr, BACKSQL_OC_NAME( objclass ), 0 );
 521 #endif /* BACKSQL_TRACE */
 522
 523         if ( slap_bv2ad( attr, &tmp.ad, &text ) != LDAP_SUCCESS ) {
 524                 return NULL;
 525         }
 526
 527         res = (backsql_at_map_rec *)avl_find( objclass->attrs, &tmp,
 528                         backsql_cmp_attr );
 529
 530 #ifdef BACKSQL_TRACE
 531         if ( res != NULL ) {
 532                 Debug( LDAP_DEBUG_TRACE, "<==backsql_name2at(): "
 533                         "found name='%s', sel_expr='%s'\n",
 534                         res->name, res->sel_expr.bv_val, 0 );
 535         } else {
 536                 Debug( LDAP_DEBUG_TRACE, "<==backsql_name2at(): "
 537                         "not found\n", 0, 0, 0 );
 538         }
 539 #endif /* BACKSQL_TRACE */
 540
 541         return res;
 542 }
 543
 544 static void
 545 backsql_free_attr( void *v_at )
 546 {
 547         backsql_at_map_rec *at = v_at;
 548         Debug( LDAP_DEBUG_TRACE, "==>free_attr(): '%s'\n",
 549                         at->ad->ad_cname.bv_val, 0, 0 );
 550         ch_free( at->sel_expr.bv_val );
 551         if ( at->from_tbls.bv_val != NULL ) {
 552                 ch_free( at->from_tbls.bv_val );
 553         }
 554         if ( at->join_where.bv_val != NULL ) {
 555                 ch_free( at->join_where.bv_val );
 556         }
 557         if ( at->add_proc != NULL ) {
 558                 ch_free( at->add_proc );
 559         }
 560         if ( at->delete_proc != NULL ) {
 561                 ch_free( at->delete_proc );
 562         }
 563         if ( at->query ) {
 564                 ch_free( at->query );
 565         }
 566
 567         /* TimesTen */
 568         if ( at->sel_expr_u.bv_val ) {
 569                 ch_free( at->sel_expr_u.bv_val );
 570         }
 571
 572         ch_free( at );
 573
 574         Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 );
 575 }
 576
 577 static void
 578 backsql_free_oc( void *v_oc )
 579 {
 580         backsql_oc_map_rec *oc = v_oc;
 581         Debug( LDAP_DEBUG_TRACE, "==>free_oc(): '%s'\n",
 582                         BACKSQL_OC_NAME( oc ), 0, 0 );
 583         avl_free( oc->attrs, backsql_free_attr );
 584         ch_free( oc->keytbl.bv_val );
 585         ch_free( oc->keycol.bv_val );
 586         if ( oc->create_proc != NULL ) {
 587                 ch_free( oc->create_proc );
 588         }
 589         if ( oc->create_keyval != NULL ) {
 590                 ch_free( oc->create_keyval );
 591         }
 592         if ( oc->delete_proc != NULL ) {
 593                 ch_free( oc->delete_proc );
 594         }
 595         ch_free( oc );
 596
 597         Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 );
 598 }
 599
 600 int
 601 backsql_destroy_schema_map( backsql_info *si )
 602 {
 603         Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 );
 604         avl_free( si->oc_by_oc, 0 );
 605         avl_free( si->oc_by_id, backsql_free_oc );
 606         Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 );
 607         return 0;
 608 }
 609
 610 #endif /* SLAPD_SQL */
 611