git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/entry-id.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 "lber_pvt.h"
  18 #include "ldap_pvt.h"
  19 #include "slap.h"
  20 #include "back-sql.h"
  21 #include "sql-wrap.h"
  22 #include "schema-map.h"
  23 #include "entry-id.h"
  24 #include "util.h"
  25
  26 backsql_entryID *
  27 backsql_free_entryID( backsql_entryID *id, int freeit )
  28 {
  29         backsql_entryID         *next;
  30
  31         assert( id );
  32
  33         next = id->next;
  34
  35         if ( id->dn.bv_val != NULL ) {
  36                 free( id->dn.bv_val );
  37         }
  38
  39         if ( freeit ) {
  40                 free( id );
  41         }
  42
  43         return next;
  44 }
  45
  46 int
  47 backsql_dn2id(
  48         backsql_info            *bi,
  49         backsql_entryID         *id,
  50         SQLHDBC                 dbh,
  51         struct berval           *dn )
  52 {
  53         SQLHSTMT                sth;
  54         BACKSQL_ROW_NTS         row;
  55         RETCODE                 rc;
  56         int                     res;
  57
  58         /* TimesTen */
  59         char                    upperdn[ BACKSQL_MAX_DN_LEN + 1 ];
  60         char                    *toBind;
  61         int                     i, j;
  62
  63         Debug( LDAP_DEBUG_TRACE, "==>backsql_dn2id(): dn='%s'\n",
  64                         dn->bv_val, 0, 0 );
  65
  66         assert( id );
  67
  68         if ( dn->bv_len > BACKSQL_MAX_DN_LEN ) {
  69                 Debug( LDAP_DEBUG_TRACE,
  70                         "backsql_dn2id(): DN \"%s\" (%ld bytes) "
  71                         "exceeds max DN length (%d):\n",
  72                         dn->bv_val, dn->bv_len, BACKSQL_MAX_DN_LEN );
  73                 return LDAP_OTHER;
  74         }
  75
  76         /* begin TimesTen */
  77         Debug(LDAP_DEBUG_TRACE, "id_query '%s'\n", bi->id_query, 0, 0);
  78         assert( bi->id_query );
  79         rc = backsql_Prepare( dbh, &sth, bi->id_query, 0 );
  80         if ( rc != SQL_SUCCESS ) {
  81                 Debug( LDAP_DEBUG_TRACE,
  82                         "backsql_dn2id(): error preparing SQL:\n%s",
  83                         bi->id_query, 0, 0);
  84                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
  85                 SQLFreeStmt( sth, SQL_DROP );
  86                 return LDAP_OTHER;
  87         }
  88
  89         if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
  90                 /*
  91                  * Prepare an upper cased, byte reversed version
  92                  * that can be searched using indexes
  93                  */
  94
  95                 for ( i = 0, j = dn->bv_len - 1; dn->bv_val[ i ]; i++, j--) {
  96                         upperdn[ i ] = dn->bv_val[ j ];
  97                 }
  98                 upperdn[ i ] = '\0';
  99                 ldap_pvt_str2upper( upperdn );
 100
 101                 Debug( LDAP_DEBUG_TRACE, "==>backsql_dn2id(): upperdn='%s'\n",
 102                                 upperdn, 0, 0 );
 103                 toBind = upperdn;
 104         } else {
 105                 if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
 106                         AC_MEMCPY( upperdn, dn->bv_val, dn->bv_len + 1 );
 107                         ldap_pvt_str2upper( upperdn );
 108                         Debug( LDAP_DEBUG_TRACE,
 109                                 "==>backsql_dn2id(): upperdn='%s'\n",
 110                                 upperdn, 0, 0 );
 111                         toBind = upperdn;
 112
 113                 } else {
 114                         toBind = dn->bv_val;
 115                 }
 116         }
 117
 118         rc = backsql_BindParamStr( sth, 1, toBind, BACKSQL_MAX_DN_LEN );
 119         if ( rc != SQL_SUCCESS) {
 120                 /* end TimesTen */
 121                 Debug( LDAP_DEBUG_TRACE, "backsql_dn2id(): "
 122                         "error binding dn=\"%s\" parameter:\n",
 123                         toBind, 0, 0 );
 124                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
 125                 SQLFreeStmt( sth, SQL_DROP );
 126                 return LDAP_OTHER;
 127         }
 128
 129         rc = SQLExecute( sth );
 130         if ( rc != SQL_SUCCESS ) {
 131                 Debug( LDAP_DEBUG_TRACE, "backsql_dn2id(): "
 132                         "error executing query (\"%s\", \"%s\"):\n",
 133                         bi->id_query, toBind, 0 );
 134                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
 135                 SQLFreeStmt( sth, SQL_DROP );
 136                 return LDAP_OTHER;
 137         }
 138
 139         backsql_BindRowAsStrings( sth, &row );
 140         rc = SQLFetch( sth );
 141         if ( BACKSQL_SUCCESS( rc ) ) {
 142                 id->id = strtol( row.cols[ 0 ], NULL, 0 );
 143                 id->keyval = strtol( row.cols[ 1 ], NULL, 0 );
 144                 id->oc_id = strtol( row.cols[ 2 ], NULL, 0 );
 145                 ber_dupbv( &id->dn, dn );
 146                 id->next = NULL;
 147
 148                 res = LDAP_SUCCESS;
 149
 150         } else {
 151                 res = LDAP_NO_SUCH_OBJECT;
 152         }
 153         backsql_FreeRow( &row );
 154
 155         SQLFreeStmt( sth, SQL_DROP );
 156         if ( res == LDAP_SUCCESS ) {
 157                 Debug( LDAP_DEBUG_TRACE, "<==backsql_dn2id(): id=%ld\n",
 158                                 id->id, 0, 0 );
 159         } else {
 160                 Debug( LDAP_DEBUG_TRACE, "<==backsql_dn2id(): no match\n",
 161                                 0, 0, 0 );
 162         }
 163         return res;
 164 }
 165
 166 int
 167 backsql_count_children(
 168         backsql_info            *bi,
 169         SQLHDBC                 dbh,
 170         struct berval           *dn,
 171         unsigned long           *nchildren )
 172 {
 173         SQLHSTMT                sth;
 174         BACKSQL_ROW_NTS         row;
 175         RETCODE                 rc;
 176         int                     res = LDAP_SUCCESS;
 177
 178         Debug( LDAP_DEBUG_TRACE, "==>backsql_count_children(): dn='%s'\n",
 179                         dn->bv_val, 0, 0 );
 180
 181         if ( dn->bv_len > BACKSQL_MAX_DN_LEN ) {
 182                 Debug( LDAP_DEBUG_TRACE,
 183                         "backsql_count_children(): DN \"%s\" (%ld bytes) "
 184                         "exceeds max DN length (%d):\n",
 185                         dn->bv_val, dn->bv_len, BACKSQL_MAX_DN_LEN );
 186                 return LDAP_OTHER;
 187         }
 188
 189         /* begin TimesTen */
 190         Debug(LDAP_DEBUG_TRACE, "children id query '%s'\n",
 191                         bi->has_children_query, 0, 0);
 192         assert( bi->has_children_query );
 193         rc = backsql_Prepare( dbh, &sth, bi->has_children_query, 0 );
 194         if ( rc != SQL_SUCCESS ) {
 195                 Debug( LDAP_DEBUG_TRACE,
 196                         "backsql_count_children(): error preparing SQL:\n%s",
 197                         bi->has_children_query, 0, 0);
 198                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
 199                 SQLFreeStmt( sth, SQL_DROP );
 200                 return LDAP_OTHER;
 201         }
 202
 203         rc = backsql_BindParamStr( sth, 1, dn->bv_val, BACKSQL_MAX_DN_LEN );
 204         if ( rc != SQL_SUCCESS) {
 205                 /* end TimesTen */
 206                 Debug( LDAP_DEBUG_TRACE, "backsql_count_children(): "
 207                         "error binding dn=\"%s\" parameter:\n",
 208                         dn->bv_val, 0, 0 );
 209                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
 210                 SQLFreeStmt( sth, SQL_DROP );
 211                 return LDAP_OTHER;
 212         }
 213
 214         rc = SQLExecute( sth );
 215         if ( rc != SQL_SUCCESS ) {
 216                 Debug( LDAP_DEBUG_TRACE, "backsql_count_children(): "
 217                         "error executing query (\"%s\", \"%s\"):\n",
 218                         bi->has_children_query, dn->bv_val, 0 );
 219                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
 220                 SQLFreeStmt( sth, SQL_DROP );
 221                 return LDAP_OTHER;
 222         }
 223
 224         backsql_BindRowAsStrings( sth, &row );
 225
 226         rc = SQLFetch( sth );
 227         if ( BACKSQL_SUCCESS( rc ) ) {
 228                 char *end;
 229
 230                 *nchildren = strtol( row.cols[ 0 ], &end, 0 );
 231                 if ( end[ 0 ] != '\0' ) {
 232                         res = LDAP_OTHER;
 233                 }
 234
 235         } else {
 236                 res = LDAP_OTHER;
 237         }
 238         backsql_FreeRow( &row );
 239
 240         SQLFreeStmt( sth, SQL_DROP );
 241
 242         Debug( LDAP_DEBUG_TRACE, "<==backsql_count_children(): %lu\n",
 243                         *nchildren, 0, 0 );
 244
 245         return res;
 246 }
 247
 248 int
 249 backsql_has_children(
 250         backsql_info            *bi,
 251         SQLHDBC                 dbh,
 252         struct berval           *dn )
 253 {
 254         unsigned long   nchildren;
 255         int             rc;
 256
 257         rc = backsql_count_children( bi, dbh, dn, &nchildren );
 258
 259         if ( rc == LDAP_SUCCESS ) {
 260                 return nchildren > 0 ? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
 261         }
 262
 263         return rc;
 264 }
 265
 266 int
 267 backsql_get_attr_vals( backsql_at_map_rec *at, backsql_srch_info *bsi )
 268 {
 269         RETCODE         rc;
 270         SQLHSTMT        sth;
 271         BACKSQL_ROW_NTS row;
 272         int             i;
 273
 274         assert( at );
 275         assert( bsi );
 276
 277         Debug( LDAP_DEBUG_TRACE, "==>backsql_get_attr_vals(): "
 278                 "oc='%s' attr='%s' keyval=%ld\n",
 279                 BACKSQL_OC_NAME( bsi->oc ), at->ad->ad_cname.bv_val,
 280                 bsi->c_eid->keyval );
 281
 282         rc = backsql_Prepare( bsi->dbh, &sth, at->query, 0 );
 283         if ( rc != SQL_SUCCESS ) {
 284                 Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_values(): "
 285                         "error preparing query: %s\n", at->query, 0, 0 );
 286                 backsql_PrintErrors( bsi->bi->db_env, bsi->dbh, sth, rc );
 287                 return 1;
 288         }
 289
 290         rc = backsql_BindParamID( sth, 1, &bsi->c_eid->keyval );
 291         if ( rc != SQL_SUCCESS ) {
 292                 Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_values(): "
 293                         "error binding key value parameter\n", 0, 0, 0 );
 294                 return 1;
 295         }
 296
 297         rc = SQLExecute( sth );
 298         if ( ! BACKSQL_SUCCESS( rc ) ) {
 299                 Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_values(): "
 300                         "error executing attribute query '%s'\n",
 301                         at->query, 0, 0 );
 302                 backsql_PrintErrors( bsi->bi->db_env, bsi->dbh, sth, rc );
 303                 SQLFreeStmt( sth, SQL_DROP );
 304                 return 1;
 305         }
 306
 307         backsql_BindRowAsStrings( sth, &row );
 308
 309         rc = SQLFetch( sth );
 310         for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
 311                 for ( i = 0; i < row.ncols; i++ ) {
 312                         if ( row.value_len[ i ] > 0 ) {
 313                                 struct berval   bv;
 314
 315                                 bv.bv_val = row.cols[ i ];
 316 #if 0
 317                                 bv.bv_len = row.col_prec[ i ];
 318 #else
 319                                 /*
 320                                  * FIXME: what if a binary
 321                                  * is fetched?
 322                                  */
 323                                 bv.bv_len = strlen( row.cols[ i ] );
 324 #endif
 325                                 backsql_entry_addattr( bsi->e,
 326                                                 &row.col_names[ i ], &bv );
 327
 328 #ifdef BACKSQL_TRACE
 329                                 Debug( LDAP_DEBUG_TRACE, "prec=%d\n",
 330                                         (int)row.col_prec[ i ], 0, 0 );
 331                         } else {
 332                                 Debug( LDAP_DEBUG_TRACE, "NULL value "
 333                                         "in this row for attribute '%s'\n",
 334                                         row.col_names[ i ].bv_val, 0, 0 );
 335 #endif /* BACKSQL_TRACE */
 336                         }
 337                 }
 338         }
 339
 340         backsql_FreeRow( &row );
 341         SQLFreeStmt( sth, SQL_DROP );
 342         Debug( LDAP_DEBUG_TRACE, "<==backsql_get_attr_vals()\n", 0, 0, 0 );
 343
 344         return 1;
 345 }
 346
 347 Entry *
 348 backsql_id2entry( backsql_srch_info *bsi, Entry *e, backsql_entryID *eid )
 349 {
 350         int                     i;
 351         backsql_at_map_rec      *at;
 352         int                     rc;
 353         AttributeDescription    *ad_oc = slap_schema.si_ad_objectClass;
 354
 355         Debug( LDAP_DEBUG_TRACE, "==>backsql_id2entry()\n", 0, 0, 0 );
 356
 357         rc = dnPrettyNormal( NULL, &eid->dn, &e->e_name, &e->e_nname );
 358         if ( rc != LDAP_SUCCESS ) {
 359                 return NULL;
 360         }
 361
 362         bsi->oc = backsql_id2oc( bsi->bi, eid->oc_id );
 363         bsi->e = e;
 364         bsi->c_eid = eid;
 365         e->e_attrs = NULL;
 366         e->e_private = NULL;
 367
 368         /* if ( bsi->base_dn != NULL)??? */
 369
 370         e->e_id = eid->id;
 371
 372         if ( bsi->attrs != NULL ) {
 373                 Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
 374                         "custom attribute list\n", 0, 0, 0 );
 375                 for ( i = 0; bsi->attrs[ i ].an_name.bv_val; i++ ) {
 376                         AttributeName *attr = &bsi->attrs[ i ];
 377
 378                         if ( attr->an_desc == ad_oc
 379 #if 0   /* FIXME: what is 0.10 ? */
 380                                         || !BACKSQL_NCMP( &attr->an_name, &bv_n_0_10 )
 381 #endif
 382                                         ) {
 383 #if 0
 384                                 backsql_entry_addattr( bsi->e,
 385                                                 &bv_n_objectclass,
 386                                                 BACKSQL_OC_NAME( bsi->oc ) );
 387 #endif
 388                                 continue;
 389                         }
 390
 391                         at = backsql_ad2at( bsi->oc, attr->an_desc );
 392                         if ( at != NULL ) {
 393                                 backsql_get_attr_vals( at, bsi );
 394                         } else {
 395                                 Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
 396                                         "attribute '%s' is not defined "
 397                                         "for objectlass '%s'\n",
 398                                         attr->an_name.bv_val,
 399                                         BACKSQL_OC_NAME( bsi->oc ), 0 );
 400                         }
 401                 }
 402
 403         } else {
 404                 Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
 405                         "retrieving all attributes\n", 0, 0, 0 );
 406                 avl_apply( bsi->oc->attrs, (AVL_APPLY)backsql_get_attr_vals,
 407                                 bsi, 0, AVL_INORDER );
 408         }
 409
 410         if ( attr_merge_one( bsi->e, ad_oc, &bsi->oc->oc->soc_cname ) ) {
 411                 entry_free( e );
 412                 return NULL;
 413         }
 414
 415         if ( global_schemacheck ) {
 416                 const char      *text = NULL;
 417                 char            textbuf[ 1024 ];
 418                 size_t          textlen = sizeof( textbuf );
 419                 struct berval   bv[ 2 ] = { bsi->oc->oc->soc_cname, BER_BVNULL };
 420                 struct berval   soc;
 421                 AttributeDescription    *ad_soc
 422                         = slap_schema.si_ad_structuralObjectClass;
 423
 424                 int rc = structural_class( bv, &soc, NULL,
 425                                 &text, textbuf, textlen );
 426                 if ( rc != LDAP_SUCCESS ) {
 427                         entry_free( e );
 428                         return NULL;
 429                 }
 430
 431                 if ( bsi->bsi_flags | BSQL_SF_ALL_OPER
 432                                 || an_find( bsi->attrs, &AllOper ) ) {
 433                         if ( attr_merge_one( bsi->e, ad_soc, &soc ) ) {
 434                                 entry_free( e );
 435                                 return NULL;
 436                         }
 437                 }
 438         }
 439
 440         Debug( LDAP_DEBUG_TRACE, "<==backsql_id2entry()\n", 0, 0, 0 );
 441
 442         return e;
 443 }
 444
 445 #endif /* SLAPD_SQL */
 446