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 "ldap_pvt.h"
  18 #include "slap.h"
  19 #include "back-sql.h"
  20 #include "sql-wrap.h"
  21 #include "schema-map.h"
  22 #include "entry-id.h"
  23 #include "util.h"
  24
  25 backsql_entryID *
  26 backsql_free_entryID( backsql_entryID *id, int freeit )
  27 {
  28         backsql_entryID         *next;
  29
  30         assert( id );
  31
  32         next = id->next;
  33
  34         if ( id->dn.bv_val != NULL ) {
  35                 free( id->dn.bv_val );
  36         }
  37
  38         if ( freeit ) {
  39                 free( id );
  40         }
  41
  42         return next;
  43 }
  44
  45 /*
  46  * FIXME: need to change API to pass backsql_entryID **id
  47  * and return an error code, to distinguish LDAP_OTHER from
  48  * LDAP_NO_SUCH_OBJECT
  49  */
  50 int
  51 backsql_dn2id(
  52         backsql_info            *bi,
  53         backsql_entryID         *id,
  54         SQLHDBC                 dbh,
  55         struct berval           *dn )
  56 {
  57         SQLHSTMT                sth;
  58         BACKSQL_ROW_NTS         row;
  59 #if 0
  60         SQLINTEGER              nrows = 0;
  61 #endif
  62         RETCODE                 rc;
  63         int                     res;
  64
  65         /* TimesTen */
  66         char                    upperdn[ BACKSQL_MAX_DN_LEN + 1 ];
  67         char                    *toBind;
  68         int                     i, j;
  69
  70         Debug( LDAP_DEBUG_TRACE, "==>backsql_dn2id(): dn='%s'\n",
  71                         dn->bv_val, 0, 0 );
  72
  73         assert( id );
  74
  75         if ( dn->bv_len > BACKSQL_MAX_DN_LEN ) {
  76                 Debug( LDAP_DEBUG_TRACE,
  77                         "backsql_dn2id(): DN \"%s\" (%ld bytes) "
  78                         "exceeds max DN length (%d):\n",
  79                         dn->bv_val, dn->bv_len, BACKSQL_MAX_DN_LEN );
  80                 return LDAP_OTHER;
  81         }
  82
  83         /* begin TimesTen */
  84         Debug(LDAP_DEBUG_TRACE, "id_query '%s'\n", bi->id_query, 0, 0);
  85         assert( bi->id_query );
  86         rc = backsql_Prepare( dbh, &sth, bi->id_query, 0 );
  87         if ( rc != SQL_SUCCESS ) {
  88                 Debug( LDAP_DEBUG_TRACE,
  89                         "backsql_dn2id(): error preparing SQL:\n%s",
  90                         bi->id_query, 0, 0);
  91                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
  92                 SQLFreeStmt( sth, SQL_DROP );
  93                 return LDAP_OTHER;
  94         }
  95
  96         if ( bi->has_ldapinfo_dn_ru ) {
  97                 /*
  98                  * Prepare an upper cased, byte reversed version
  99                  * that can be searched using indexes
 100                  */
 101
 102                 for ( i = 0, j = dn->bv_len - 1; dn->bv_val[ i ]; i++, j--) {
 103                         upperdn[ i ] = dn->bv_val[ j ];
 104                 }
 105                 upperdn[ i ] = '\0';
 106                 ldap_pvt_str2upper( upperdn );
 107
 108                 Debug( LDAP_DEBUG_TRACE, "==>backsql_dn2id(): upperdn='%s'\n",
 109                                 upperdn, 0, 0 );
 110                 toBind = upperdn;
 111         } else {
 112                 if ( bi->isTimesTen ) {
 113                         AC_MEMCPY( upperdn, dn->bv_val, dn->bv_len + 1 );
 114                         ldap_pvt_str2upper( upperdn );
 115                         Debug( LDAP_DEBUG_TRACE,
 116                                 "==>backsql_dn2id(): upperdn='%s'\n",
 117                                 upperdn, 0, 0 );
 118                         toBind = upperdn;
 119
 120                 } else {
 121                         toBind = dn->bv_val;
 122                 }
 123         }
 124
 125         rc = backsql_BindParamStr( sth, 1, toBind, BACKSQL_MAX_DN_LEN );
 126         if ( rc != SQL_SUCCESS) {
 127                 /* end TimesTen */
 128                 Debug( LDAP_DEBUG_TRACE, "backsql_dn2id(): "
 129                         "error binding dn=\"%s\" parameter:\n", toBind, 0, 0 );
 130                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
 131                 SQLFreeStmt( sth, SQL_DROP );
 132                 return LDAP_OTHER;
 133         }
 134
 135         rc = SQLExecute( sth );
 136         if ( rc != SQL_SUCCESS ) {
 137                 Debug( LDAP_DEBUG_TRACE, "backsql_dn2id(): "
 138                         "error executing query (\"%s\", \"%s\"):\n",
 139                         bi->id_query, toBind, 0 );
 140                 backsql_PrintErrors( SQL_NULL_HENV, dbh, sth, rc );
 141                 SQLFreeStmt( sth, SQL_DROP );
 142                 return LDAP_OTHER;
 143         }
 144
 145         backsql_BindRowAsStrings( sth, &row );
 146         rc = SQLFetch( sth );
 147         if ( BACKSQL_SUCCESS( rc ) ) {
 148                 id->id = atoi( row.cols[ 0 ] );
 149                 id->keyval = atoi( row.cols[ 1 ] );
 150                 id->oc_id = atoi( row.cols[ 2 ] );
 151                 ber_dupbv( &id->dn, dn );
 152                 id->next = NULL;
 153
 154                 res = LDAP_SUCCESS;
 155
 156         } else {
 157                 res = LDAP_NO_SUCH_OBJECT;
 158         }
 159         backsql_FreeRow( &row );
 160
 161         SQLFreeStmt( sth, SQL_DROP );
 162         if ( res == LDAP_SUCCESS ) {
 163                 Debug( LDAP_DEBUG_TRACE, "<==backsql_dn2id(): id=%ld\n",
 164                                 id->id, 0, 0 );
 165         } else {
 166                 Debug( LDAP_DEBUG_TRACE, "<==backsql_dn2id(): no match\n",
 167                                 0, 0, 0 );
 168         }
 169         return res;
 170 }
 171
 172 int
 173 backsql_get_attr_vals( backsql_at_map_rec *at, backsql_srch_info *bsi )
 174 {
 175         RETCODE         rc;
 176         SQLHSTMT        sth;
 177         BACKSQL_ROW_NTS row;
 178         int             i;
 179
 180         assert( at );
 181         assert( bsi );
 182
 183         Debug( LDAP_DEBUG_TRACE, "==>backsql_get_attr_vals(): "
 184                 "oc='%s' attr='%s' keyval=%ld\n",
 185                 bsi->oc->name, at->name, bsi->c_eid->keyval );
 186
 187         rc = backsql_Prepare( bsi->dbh, &sth, at->query, 0 );
 188         if ( rc != SQL_SUCCESS ) {
 189                 Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_values(): "
 190                         "error preparing query: %s\n", at->query, 0, 0 );
 191                 backsql_PrintErrors( bsi->bi->db_env, bsi->dbh, sth, rc );
 192                 return 1;
 193         }
 194
 195         rc = backsql_BindParamID( sth, 1, &bsi->c_eid->keyval );
 196         if ( rc != SQL_SUCCESS ) {
 197                 Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_values(): "
 198                         "error binding key value parameter\n", 0, 0, 0 );
 199                 return 1;
 200         }
 201
 202         rc = SQLExecute( sth );
 203         if ( ! BACKSQL_SUCCESS( rc ) ) {
 204                 Debug( LDAP_DEBUG_TRACE, "backsql_get_attr_values(): "
 205                         "error executing attribute query '%s'\n",
 206                         at->query, 0, 0 );
 207                 backsql_PrintErrors( bsi->bi->db_env, bsi->dbh, sth, rc );
 208                 SQLFreeStmt( sth, SQL_DROP );
 209                 return 1;
 210         }
 211
 212         backsql_BindRowAsStrings( sth, &row );
 213
 214         rc = SQLFetch( sth );
 215         for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
 216                 for ( i = 0; i < row.ncols; i++ ) {
 217                         if ( row.is_null[ i ] > 0 ) {
 218                                 backsql_entry_addattr( bsi->e,
 219                                                 row.col_names[ i ],
 220                                                 row.cols[ i ],
 221 #if 0
 222                                                 row.col_prec[ i ]
 223 #else
 224                                                 /*
 225                                                  * FIXME: what if a binary
 226                                                  * is fetched?
 227                                                  */
 228                                                 strlen( row.cols[ i ] )
 229 #endif
 230                                                 );
 231 #if 0
 232                                 Debug( LDAP_DEBUG_TRACE, "prec=%d\n",
 233                                         (int)row.col_prec[ i ], 0, 0 );
 234                         } else {
 235                                 Debug( LDAP_DEBUG_TRACE, "NULL value "
 236                                         "in this row for attribute '%s'\n",
 237                                         row.col_names[ i ], 0, 0 );
 238 #endif
 239                         }
 240                 }
 241         }
 242
 243         backsql_FreeRow( &row );
 244         SQLFreeStmt( sth, SQL_DROP );
 245         Debug( LDAP_DEBUG_TRACE, "<==backsql_get_attr_vals()\n", 0, 0, 0 );
 246
 247         return 1;
 248 }
 249
 250 Entry *
 251 backsql_id2entry( backsql_srch_info *bsi, Entry *e, backsql_entryID *eid )
 252 {
 253         char                    **c_at_name;
 254         backsql_at_map_rec      *at;
 255         int                     rc;
 256
 257         Debug( LDAP_DEBUG_TRACE, "==>backsql_id2entry()\n", 0, 0, 0 );
 258
 259         rc = dnPrettyNormal( NULL, &eid->dn, &e->e_name, &e->e_nname );
 260         if ( rc != LDAP_SUCCESS ) {
 261                 return NULL;
 262         }
 263
 264         bsi->oc = backsql_oc_with_id( bsi->bi, eid->oc_id );
 265         bsi->e = e;
 266         bsi->c_eid = eid;
 267         e->e_attrs = NULL;
 268         e->e_private = NULL;
 269
 270         /* if ( bsi->base_dn != NULL)??? */
 271
 272         e->e_id = eid->id;
 273
 274         if ( bsi->attrs != NULL ) {
 275                 Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
 276                         "custom attribute list\n", 0, 0, 0 );
 277                 for ( c_at_name = bsi->attrs; *c_at_name != NULL; c_at_name++ ) {
 278                         if ( !strcasecmp( *c_at_name, "objectclass" )
 279                                         || !strcasecmp( *c_at_name, "0.10" ) ) {
 280 #if 0
 281                                 backsql_entry_addattr( bsi->e, "objectclass",
 282                                                 bsi->oc->name,
 283                                                 strlen( bsi->oc->name ) );
 284 #endif
 285                                 continue;
 286                         }
 287                         at = backsql_at_with_name( bsi->oc, *c_at_name );
 288                         if ( at != NULL ) {
 289                                 backsql_get_attr_vals( at, bsi );
 290                         } else {
 291                                 Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
 292                                         "attribute '%s' is not defined "
 293                                         "for objectlass '%s'\n",
 294                                         *c_at_name, bsi->oc->name, 0 );
 295                         }
 296                 }
 297         } else {
 298                 Debug( LDAP_DEBUG_TRACE, "backsql_id2entry(): "
 299                         "retrieving all attributes\n", 0, 0, 0 );
 300                 avl_apply( bsi->oc->attrs, (AVL_APPLY)backsql_get_attr_vals,
 301                                 bsi, 0, AVL_INORDER );
 302         }
 303
 304         backsql_entry_addattr( bsi->e, "objectclass", bsi->oc->name,
 305                         strlen( bsi->oc->name ) );
 306
 307         Debug( LDAP_DEBUG_TRACE, "<==backsql_id2entry()\n", 0, 0, 0 );
 308
 309         return e;
 310 }
 311
 312 #endif /* SLAPD_SQL */
 313