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openldap  2.4.31
Functions
init.c File Reference
#include "portable.h"
#include <stdio.h>
#include <sys/types.h>
#include "ac/string.h"
#include "slap.h"
#include "config.h"
#include "proto-sql.h"

Go to the source code of this file.

Functions

int sql_back_initialize (BackendInfo *bi)
int backsql_destroy (BackendInfo *bi)
int backsql_db_init (BackendDB *bd, ConfigReply *cr)
int backsql_db_destroy (BackendDB *bd, ConfigReply *cr)
int backsql_db_open (BackendDB *bd, ConfigReply *cr)
int backsql_db_close (BackendDB *bd, ConfigReply *cr)

Function Documentation

int backsql_db_close ( BackendDB bd,
ConfigReply *  cr 
)

Definition at line 651 of file init.c.

{
       backsql_info  *bi = (backsql_info*)bd->be_private;

       Debug( LDAP_DEBUG_TRACE, "==>backsql_db_close()\n", 0, 0, 0 );

       backsql_conn_destroy( bi );

       Debug( LDAP_DEBUG_TRACE, "<==backsql_db_close()\n", 0, 0, 0 );

       return 0;
}

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int backsql_db_destroy ( BackendDB bd,
ConfigReply *  cr 
)

Definition at line 125 of file init.c.

{
       backsql_info  *bi = (backsql_info*)bd->be_private;
 
       Debug( LDAP_DEBUG_TRACE, "==>backsql_db_destroy()\n", 0, 0, 0 );

       backsql_free_db_env( bi );
       ldap_pvt_thread_mutex_destroy( &bi->sql_dbconn_mutex );
       backsql_destroy_schema_map( bi );
       ldap_pvt_thread_mutex_destroy( &bi->sql_schema_mutex );

       if ( bi->sql_dbname ) {
              ch_free( bi->sql_dbname );
       }
       if ( bi->sql_dbuser ) {
              ch_free( bi->sql_dbuser );
       }
       if ( bi->sql_dbpasswd ) {
              ch_free( bi->sql_dbpasswd );
       }
       if ( bi->sql_dbhost ) {
              ch_free( bi->sql_dbhost );
       }
       if ( bi->sql_upper_func.bv_val ) {
              ch_free( bi->sql_upper_func.bv_val );
              ch_free( bi->sql_upper_func_open.bv_val );
              ch_free( bi->sql_upper_func_close.bv_val );
       }
       if ( bi->sql_concat_func ) {
              ber_bvarray_free( bi->sql_concat_func );
       }
       if ( !BER_BVISNULL( &bi->sql_strcast_func ) ) {
              ch_free( bi->sql_strcast_func.bv_val );
       }
       if ( !BER_BVISNULL( &bi->sql_children_cond ) ) {
              ch_free( bi->sql_children_cond.bv_val );
       }
       if ( !BER_BVISNULL( &bi->sql_dn_match_cond ) ) {
              ch_free( bi->sql_dn_match_cond.bv_val );
       }
       if ( !BER_BVISNULL( &bi->sql_subtree_cond ) ) {
              ch_free( bi->sql_subtree_cond.bv_val );
       }
       if ( !BER_BVISNULL( &bi->sql_dn_oc_aliasing ) ) {
              ch_free( bi->sql_dn_oc_aliasing.bv_val );
       }
       if ( bi->sql_oc_query ) {
              ch_free( bi->sql_oc_query );
       }
       if ( bi->sql_at_query ) {
              ch_free( bi->sql_at_query );
       }
       if ( bi->sql_id_query ) {
              ch_free( bi->sql_id_query );
       }
       if ( bi->sql_has_children_query ) {
              ch_free( bi->sql_has_children_query );
       }
       if ( bi->sql_insentry_stmt ) {
              ch_free( bi->sql_insentry_stmt );
       }
       if ( bi->sql_delentry_stmt ) {
              ch_free( bi->sql_delentry_stmt );
       }
       if ( bi->sql_renentry_stmt ) {
              ch_free( bi->sql_renentry_stmt );
       }
       if ( bi->sql_delobjclasses_stmt ) {
              ch_free( bi->sql_delobjclasses_stmt );
       }
       if ( !BER_BVISNULL( &bi->sql_aliasing ) ) {
              ch_free( bi->sql_aliasing.bv_val );
       }
       if ( !BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
              ch_free( bi->sql_aliasing_quote.bv_val );
       }

       if ( bi->sql_anlist ) {
              int    i;

              for ( i = 0; !BER_BVISNULL( &bi->sql_anlist[ i ].an_name ); i++ )
              {
                     ch_free( bi->sql_anlist[ i ].an_name.bv_val );
              }
              ch_free( bi->sql_anlist );
       }

       if ( bi->sql_baseObject ) {
              entry_free( bi->sql_baseObject );
       }
       
       ch_free( bi );
       
       Debug( LDAP_DEBUG_TRACE, "<==backsql_db_destroy()\n", 0, 0, 0 );
       return 0;
}

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int backsql_db_init ( BackendDB bd,
ConfigReply *  cr 
)

Definition at line 99 of file init.c.

{
       backsql_info  *bi;
       int           rc = 0;
 
       Debug( LDAP_DEBUG_TRACE, "==>backsql_db_init()\n", 0, 0, 0 );

       bi = (backsql_info *)ch_calloc( 1, sizeof( backsql_info ) );
       ldap_pvt_thread_mutex_init( &bi->sql_dbconn_mutex );
       ldap_pvt_thread_mutex_init( &bi->sql_schema_mutex );

       if ( backsql_init_db_env( bi ) != SQL_SUCCESS ) {
              rc = -1;
       }

       bd->be_private = bi;
       bd->be_cf_ocs = bd->bd_info->bi_cf_ocs;

       Debug( LDAP_DEBUG_TRACE, "<==backsql_db_init()\n", 0, 0, 0 );

       return rc;
}

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int backsql_db_open ( BackendDB bd,
ConfigReply *  cr 
)

Definition at line 225 of file init.c.

{
       backsql_info  *bi = (backsql_info*)bd->be_private;
       struct berbuf bb = BB_NULL;

       Connection    conn = { 0 };
       OperationBuffer opbuf;
       Operation*    op;
       SQLHDBC              dbh = SQL_NULL_HDBC;
       void          *thrctx = ldap_pvt_thread_pool_context();

       Debug( LDAP_DEBUG_TRACE, "==>backsql_db_open(): "
              "testing RDBMS connection\n", 0, 0, 0 );
       if ( bi->sql_dbname == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "datasource name not specified "
                     "(use \"dbname\" directive in slapd.conf)\n", 0, 0, 0 );
              return 1;
       }

       if ( bi->sql_concat_func == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "concat func not specified (use \"concat_pattern\" "
                     "directive in slapd.conf)\n", 0, 0, 0 );

              if ( backsql_split_pattern( backsql_def_concat_func, 
                            &bi->sql_concat_func, 2 ) ) {
                     Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                            "unable to parse pattern \"%s\"",
                            backsql_def_concat_func, 0, 0 );
                     return 1;
              }
       }

       /*
        * see back-sql.h for default values
        */
       if ( BER_BVISNULL( &bi->sql_aliasing ) ) {
              ber_str2bv( BACKSQL_ALIASING,
                     STRLENOF( BACKSQL_ALIASING ),
                     1, &bi->sql_aliasing );
       }

       if ( BER_BVISNULL( &bi->sql_aliasing_quote ) ) {
              ber_str2bv( BACKSQL_ALIASING_QUOTE,
                     STRLENOF( BACKSQL_ALIASING_QUOTE ),
                     1, &bi->sql_aliasing_quote );
       }

       /*
        * Prepare cast string as required
        */
       if ( bi->sql_upper_func.bv_val ) {
              char buf[1024];

              if ( BACKSQL_UPPER_NEEDS_CAST( bi ) ) {
                     snprintf( buf, sizeof( buf ), 
                            "%s(cast (" /* ? as varchar(%d))) */ , 
                            bi->sql_upper_func.bv_val );
                     ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );

                     snprintf( buf, sizeof( buf ),
                            /* (cast(? */ " as varchar(%d)))",
                            BACKSQL_MAX_DN_LEN );
                     ber_str2bv( buf, 0, 1, &bi->sql_upper_func_close );

              } else {
                     snprintf( buf, sizeof( buf ), "%s(" /* ?) */ ,
                                   bi->sql_upper_func.bv_val );
                     ber_str2bv( buf, 0, 1, &bi->sql_upper_func_open );

                     ber_str2bv( /* (? */ ")", 0, 1, &bi->sql_upper_func_close );
              }
       }

       /* normalize filter values only if necessary */
       bi->sql_caseIgnoreMatch = mr_find( "caseIgnoreMatch" );
       assert( bi->sql_caseIgnoreMatch != NULL );

       bi->sql_telephoneNumberMatch = mr_find( "telephoneNumberMatch" );
       assert( bi->sql_telephoneNumberMatch != NULL );

       if ( bi->sql_dbuser == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "user name not specified "
                     "(use \"dbuser\" directive in slapd.conf)\n", 0, 0, 0 );
              return 1;
       }
       
       if ( BER_BVISNULL( &bi->sql_subtree_cond ) ) {
              /*
               * Prepare concat function for subtree search condition
               */
              struct berval concat;
              struct berval values[] = {
                     BER_BVC( "'%'" ),
                     BER_BVC( "?" ),
                     BER_BVNULL
              };
              struct berbuf bb = BB_NULL;

              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "subtree search SQL condition not specified "
                     "(use \"subtree_cond\" directive in slapd.conf); "
                     "preparing default\n", 
                     0, 0, 0);

              if ( backsql_prepare_pattern( bi->sql_concat_func, values, 
                            &concat ) ) {
                     Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                            "unable to prepare CONCAT pattern for subtree search",
                            0, 0, 0 );
                     return 1;
              }
                     
              if ( bi->sql_upper_func.bv_val ) {

                     /*
                      * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%',?))
                      */

                     backsql_strfcat_x( &bb, NULL, "blbbb",
                                   &bi->sql_upper_func,
                                   (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
                                          "(ldap_entries.dn) LIKE ",
                                   &bi->sql_upper_func_open,
                                   &concat,
                                   &bi->sql_upper_func_close );

              } else {

                     /*
                      * ldap_entries.dn LIKE CONCAT('%',?)
                      */

                     backsql_strfcat_x( &bb, NULL, "lb",
                                   (ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
                                          "ldap_entries.dn LIKE ",
                                   &concat );
              }

              ch_free( concat.bv_val );

              bi->sql_subtree_cond = bb.bb_val;
                     
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" as default \"subtree_cond\"\n",
                     bi->sql_subtree_cond.bv_val, 0, 0 );
       }

       if ( bi->sql_children_cond.bv_val == NULL ) {
              /*
               * Prepare concat function for children search condition
               */
              struct berval concat;
              struct berval values[] = {
                     BER_BVC( "'%,'" ),
                     BER_BVC( "?" ),
                     BER_BVNULL
              };
              struct berbuf bb = BB_NULL;

              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "children search SQL condition not specified "
                     "(use \"children_cond\" directive in slapd.conf); "
                     "preparing default\n", 
                     0, 0, 0);

              if ( backsql_prepare_pattern( bi->sql_concat_func, values, 
                            &concat ) ) {
                     Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                            "unable to prepare CONCAT pattern for children search", 0, 0, 0 );
                     return 1;
              }
                     
              if ( bi->sql_upper_func.bv_val ) {

                     /*
                      * UPPER(ldap_entries.dn) LIKE UPPER(CONCAT('%,',?))
                      */

                     backsql_strfcat_x( &bb, NULL, "blbbb",
                                   &bi->sql_upper_func,
                                   (ber_len_t)STRLENOF( "(ldap_entries.dn) LIKE " ),
                                          "(ldap_entries.dn) LIKE ",
                                   &bi->sql_upper_func_open,
                                   &concat,
                                   &bi->sql_upper_func_close );

              } else {

                     /*
                      * ldap_entries.dn LIKE CONCAT('%,',?)
                      */

                     backsql_strfcat_x( &bb, NULL, "lb",
                                   (ber_len_t)STRLENOF( "ldap_entries.dn LIKE " ),
                                          "ldap_entries.dn LIKE ",
                                   &concat );
              }

              ch_free( concat.bv_val );

              bi->sql_children_cond = bb.bb_val;
                     
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" as default \"children_cond\"\n",
                     bi->sql_children_cond.bv_val, 0, 0 );
       }

       if ( bi->sql_dn_match_cond.bv_val == NULL ) {
              /*
               * Prepare concat function for dn match search condition
               */
              struct berbuf bb = BB_NULL;

              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "DN match search SQL condition not specified "
                     "(use \"dn_match_cond\" directive in slapd.conf); "
                     "preparing default\n", 
                     0, 0, 0);

              if ( bi->sql_upper_func.bv_val ) {

                     /*
                      * UPPER(ldap_entries.dn)=?
                      */

                     backsql_strfcat_x( &bb, NULL, "blbcb",
                                   &bi->sql_upper_func,
                                   (ber_len_t)STRLENOF( "(ldap_entries.dn)=" ),
                                          "(ldap_entries.dn)=",
                                   &bi->sql_upper_func_open,
                                   '?',
                                   &bi->sql_upper_func_close );

              } else {

                     /*
                      * ldap_entries.dn=?
                      */

                     backsql_strfcat_x( &bb, NULL, "l",
                                   (ber_len_t)STRLENOF( "ldap_entries.dn=?" ),
                                          "ldap_entries.dn=?" );
              }

              bi->sql_dn_match_cond = bb.bb_val;
                     
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" as default \"dn_match_cond\"\n",
                     bi->sql_dn_match_cond.bv_val, 0, 0 );
       }

       if ( bi->sql_oc_query == NULL ) {
              if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
                     bi->sql_oc_query =
                            ch_strdup( backsql_def_needs_select_oc_query );

              } else {
                     bi->sql_oc_query = ch_strdup( backsql_def_oc_query );
              }

              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "objectclass mapping SQL statement not specified "
                     "(use \"oc_query\" directive in slapd.conf)\n", 
                     0, 0, 0 );
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" by default\n", bi->sql_oc_query, 0, 0 );
       }
       
       if ( bi->sql_at_query == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "attribute mapping SQL statement not specified "
                     "(use \"at_query\" directive in slapd.conf)\n",
                     0, 0, 0 );
              Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" by default\n",
                     backsql_def_at_query, 0, 0 );
              bi->sql_at_query = ch_strdup( backsql_def_at_query );
       }
       
       if ( bi->sql_insentry_stmt == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "entry insertion SQL statement not specified "
                     "(use \"insentry_stmt\" directive in slapd.conf)\n",
                     0, 0, 0 );
              Debug(LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" by default\n",
                     backsql_def_insentry_stmt, 0, 0 );
              bi->sql_insentry_stmt = ch_strdup( backsql_def_insentry_stmt );
       }
       
       if ( bi->sql_delentry_stmt == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "entry deletion SQL statement not specified "
                     "(use \"delentry_stmt\" directive in slapd.conf)\n",
                     0, 0, 0 );
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" by default\n",
                     backsql_def_delentry_stmt, 0, 0 );
              bi->sql_delentry_stmt = ch_strdup( backsql_def_delentry_stmt );
       }

       if ( bi->sql_renentry_stmt == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "entry deletion SQL statement not specified "
                     "(use \"renentry_stmt\" directive in slapd.conf)\n",
                     0, 0, 0 );
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" by default\n",
                     backsql_def_renentry_stmt, 0, 0 );
              bi->sql_renentry_stmt = ch_strdup( backsql_def_renentry_stmt );
       }

       if ( bi->sql_delobjclasses_stmt == NULL ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "objclasses deletion SQL statement not specified "
                     "(use \"delobjclasses_stmt\" directive in slapd.conf)\n",
                     0, 0, 0 );
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "setting \"%s\" by default\n",
                     backsql_def_delobjclasses_stmt, 0, 0 );
              bi->sql_delobjclasses_stmt = ch_strdup( backsql_def_delobjclasses_stmt );
       }

       /* This should just be to force schema loading */
       connection_fake_init2( &conn, &opbuf, thrctx, 0 );
       op = &opbuf.ob_op;
       op->o_bd = bd;
       if ( backsql_get_db_conn( op, &dbh ) != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "connection failed, exiting\n", 0, 0, 0 );
              return 1;
       }
       if ( backsql_load_schema_map( bi, dbh ) != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "schema mapping failed, exiting\n", 0, 0, 0 );
              return 1;
       }
       if ( backsql_free_db_conn( op, dbh ) != SQL_SUCCESS ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "connection free failed\n", 0, 0, 0 );
       }
       if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
              Debug( LDAP_DEBUG_TRACE, "backsql_db_open(): "
                     "test failed, schema map not loaded - exiting\n",
                     0, 0, 0 );
              return 1;
       }

       /*
        * Prepare ID selection query
        */
       if ( bi->sql_id_query == NULL ) {
              /* no custom id_query provided */
              if ( bi->sql_upper_func.bv_val == NULL ) {
                     backsql_strcat_x( &bb, NULL, backsql_id_query, "dn=?", NULL );

              } else {
                     if ( BACKSQL_HAS_LDAPINFO_DN_RU( bi ) ) {
                            backsql_strcat_x( &bb, NULL, backsql_id_query,
                                          "dn_ru=?", NULL );
                     } else {
                            if ( BACKSQL_USE_REVERSE_DN( bi ) ) {
                                   backsql_strfcat_x( &bb, NULL, "sbl",
                                                 backsql_id_query,
                                                 &bi->sql_upper_func, 
                                                 (ber_len_t)STRLENOF( "(dn)=?" ), "(dn)=?" );
                            } else {
                                   backsql_strfcat_x( &bb, NULL, "sblbcb",
                                                 backsql_id_query,
                                                 &bi->sql_upper_func, 
                                                 (ber_len_t)STRLENOF( "(dn)=" ), "(dn)=",
                                                 &bi->sql_upper_func_open, 
                                                 '?', 
                                                 &bi->sql_upper_func_close );
                            }
                     }
              }
              bi->sql_id_query = bb.bb_val.bv_val;
       }

       /*
        * Prepare children count query
        */
       BER_BVZERO( &bb.bb_val );
       bb.bb_len = 0;
       backsql_strfcat_x( &bb, NULL, "sbsb",
                     "SELECT COUNT(distinct subordinates.id) "
                     "FROM ldap_entries,ldap_entries ",
                     &bi->sql_aliasing, "subordinates "
                     "WHERE subordinates.parent=ldap_entries.id AND ",
                     &bi->sql_dn_match_cond );
       bi->sql_has_children_query = bb.bb_val.bv_val;
 
       /*
        * Prepare DN and objectClass aliasing bit of query
        */
       BER_BVZERO( &bb.bb_val );
       bb.bb_len = 0;
       backsql_strfcat_x( &bb, NULL, "sbbsbsbbsb",
                     " ", &bi->sql_aliasing, &bi->sql_aliasing_quote,
                     "objectClass", &bi->sql_aliasing_quote,
                     ",ldap_entries.dn ", &bi->sql_aliasing,
                     &bi->sql_aliasing_quote, "dn", &bi->sql_aliasing_quote );
       bi->sql_dn_oc_aliasing = bb.bb_val;
 
       /* should never happen! */
       assert( bd->be_nsuffix != NULL );
       
       if ( BER_BVISNULL( &bd->be_nsuffix[ 1 ] ) ) {
              /* enable if only one suffix is defined */
              bi->sql_flags |= BSQLF_USE_SUBTREE_SHORTCUT;
       }

       bi->sql_flags |= BSQLF_CHECK_SCHEMA;
       
       Debug( LDAP_DEBUG_TRACE, "<==backsql_db_open(): "
              "test succeeded, schema map loaded\n", 0, 0, 0 );
       return 0;
}

Definition at line 90 of file init.c.

{
       Debug( LDAP_DEBUG_TRACE, "==>backsql_destroy()\n", 0, 0, 0 );
       Debug( LDAP_DEBUG_TRACE, "<==backsql_destroy()\n", 0, 0, 0 );
       return 0;
}

Definition at line 34 of file init.c.

{ 
       static char *controls[] = {
              LDAP_CONTROL_ASSERT,
              LDAP_CONTROL_MANAGEDSAIT,
              LDAP_CONTROL_NOOP,
#ifdef SLAP_CONTROL_X_TREE_DELETE
              SLAP_CONTROL_X_TREE_DELETE,
#endif /* SLAP_CONTROL_X_TREE_DELETE */
#ifndef BACKSQL_ARBITRARY_KEY
              LDAP_CONTROL_PAGEDRESULTS,
#endif /* ! BACKSQL_ARBITRARY_KEY */
              NULL
       };
       int rc;

       bi->bi_controls = controls;

       bi->bi_flags |=
#if 0
              SLAP_BFLAG_INCREMENT |
#endif
              SLAP_BFLAG_REFERRALS;

       Debug( LDAP_DEBUG_TRACE,"==>sql_back_initialize()\n", 0, 0, 0 );
       
       bi->bi_db_init = backsql_db_init;
       bi->bi_db_config = config_generic_wrapper;
       bi->bi_db_open = backsql_db_open;
       bi->bi_db_close = backsql_db_close;
       bi->bi_db_destroy = backsql_db_destroy;

       bi->bi_op_abandon = 0;
       bi->bi_op_compare = backsql_compare;
       bi->bi_op_bind = backsql_bind;
       bi->bi_op_unbind = 0;
       bi->bi_op_search = backsql_search;
       bi->bi_op_modify = backsql_modify;
       bi->bi_op_modrdn = backsql_modrdn;
       bi->bi_op_add = backsql_add;
       bi->bi_op_delete = backsql_delete;
       
       bi->bi_chk_referrals = 0;
       bi->bi_operational = backsql_operational;
       bi->bi_entry_get_rw = backsql_entry_get;
       bi->bi_entry_release_rw = backsql_entry_release;
 
       bi->bi_connection_init = 0;

       rc = backsql_init_cf( bi );
       Debug( LDAP_DEBUG_TRACE,"<==sql_back_initialize()\n", 0, 0, 0 );
       return rc;
}

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