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