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retcode.c

/* retcode.c - customizable response for client testing purposes */
/* $OpenLDAP: pkg/ldap/servers/slapd/overlays/retcode.c,v 1.18.2.7 2008/02/11 23:26:48 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 2005-2008 The OpenLDAP Foundation.
 * Portions Copyright 2005 Pierangelo Masarati <ando@sys-net.it>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted only as authorized by the OpenLDAP
 * Public License.
 *
 * A copy of this license is available in the file LICENSE in the
 * top-level directory of the distribution or, alternatively, at
 * <http://www.OpenLDAP.org/license.html>.
 */
/* ACKNOWLEDGEMENTS:
 * This work was initially developed by Pierangelo Masarati for inclusion
 * in OpenLDAP Software.
 */

#include "portable.h"

#ifdef SLAPD_OVER_RETCODE

#include <stdio.h>

#include <ac/unistd.h>
#include <ac/string.h>
#include <ac/ctype.h>
#include <ac/socket.h>

#include "slap.h"
#include "config.h"
#include "lutil.h"
#include "ldif.h"

static slap_overinst          retcode;

static AttributeDescription   *ad_errCode;
static AttributeDescription   *ad_errText;
static AttributeDescription   *ad_errOp;
static AttributeDescription   *ad_errSleepTime;
static AttributeDescription   *ad_errMatchedDN;
static AttributeDescription   *ad_errUnsolicitedOID;
static AttributeDescription   *ad_errUnsolicitedData;
static AttributeDescription   *ad_errDisconnect;

static ObjectClass            *oc_errAbsObject;
static ObjectClass            *oc_errObject;
static ObjectClass            *oc_errAuxObject;

typedef enum retcode_op_e {
      SN_DG_OP_NONE           = 0x0000,
      SN_DG_OP_ADD            = 0x0001,
      SN_DG_OP_BIND           = 0x0002,
      SN_DG_OP_COMPARE  = 0x0004,
      SN_DG_OP_DELETE         = 0x0008,
      SN_DG_OP_MODIFY         = 0x0010,
      SN_DG_OP_RENAME         = 0x0020,
      SN_DG_OP_SEARCH         = 0x0040,
      SN_DG_EXTENDED          = 0x0080,
      SN_DG_OP_AUTH           = SN_DG_OP_BIND,
      SN_DG_OP_READ           = (SN_DG_OP_COMPARE|SN_DG_OP_SEARCH),
      SN_DG_OP_WRITE          = (SN_DG_OP_ADD|SN_DG_OP_DELETE|SN_DG_OP_MODIFY|SN_DG_OP_RENAME),
      SN_DG_OP_ALL            = (SN_DG_OP_AUTH|SN_DG_OP_READ|SN_DG_OP_WRITE|SN_DG_EXTENDED)
} retcode_op_e;

typedef struct retcode_item_t {
      struct berval           rdi_dn;
      struct berval           rdi_ndn;
      struct berval           rdi_text;
      struct berval           rdi_matched;
      int               rdi_err;
      BerVarray         rdi_ref;
      int               rdi_sleeptime;
      Entry             rdi_e;
      slap_mask_t       rdi_mask;
      struct berval           rdi_unsolicited_oid;
      struct berval           rdi_unsolicited_data;

      unsigned          rdi_flags;
#define     RDI_PRE_DISCONNECT      (0x1U)
#define     RDI_POST_DISCONNECT     (0x2U)

      struct retcode_item_t   *rdi_next;
} retcode_item_t;

typedef struct retcode_t {
      struct berval           rd_pdn;
      struct berval           rd_npdn;

      int               rd_sleep;

      retcode_item_t          *rd_item;

      unsigned          rd_flags;
#define     RETCODE_FNONE           0x00
#define     RETCODE_FINDIR          0x01
#define     RETCODE_INDIR( rd )     ( (rd)->rd_flags & RETCODE_FINDIR )
} retcode_t;

static int
retcode_entry_response( Operation *op, SlapReply *rs, BackendInfo *bi, Entry *e );

static unsigned int
retcode_sleep( int s )
{
      unsigned int r = 0;

      /* sleep as required */
      if ( s < 0 ) {
#if 0 /* use high-order bits for better randomness (Numerical Recipes in "C") */
            r = rand() % (-s);
#endif
            r = ((double)(-s))*rand()/(RAND_MAX + 1.0);
      } else if ( s > 0 ) {
            r = (unsigned int)s;
      }
      if ( r ) {
            sleep( r );
      }

      return r;
}

static int
retcode_cleanup_cb( Operation *op, SlapReply *rs )
{
      rs->sr_matched = NULL;
      rs->sr_text = NULL;

      if ( rs->sr_ref != NULL ) {
            ber_bvarray_free( rs->sr_ref );
            rs->sr_ref = NULL;
      }

      ch_free( op->o_callback );
      op->o_callback = NULL;

      return SLAP_CB_CONTINUE;
}

static int
retcode_send_onelevel( Operation *op, SlapReply *rs )
{
      slap_overinst     *on = (slap_overinst *)op->o_bd->bd_info;
      retcode_t   *rd = (retcode_t *)on->on_bi.bi_private;

      retcode_item_t    *rdi;
      
      for ( rdi = rd->rd_item; rdi != NULL; rdi = rdi->rdi_next ) {
            if ( op->o_abandon ) {
                  return rs->sr_err = SLAPD_ABANDON;
            }

            rs->sr_err = test_filter( op, &rdi->rdi_e, op->ors_filter );
            if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
                  /* safe default */
                  rs->sr_attrs = op->ors_attrs;
                  rs->sr_operational_attrs = NULL;
                  rs->sr_ctrls = NULL;
                  rs->sr_flags = 0;
                  rs->sr_err = LDAP_SUCCESS;
                  rs->sr_entry = &rdi->rdi_e;

                  rs->sr_err = send_search_entry( op, rs );
                  rs->sr_entry = NULL;

                  switch ( rs->sr_err ) {
                  case LDAP_UNAVAILABLE:  /* connection closed */
                        rs->sr_err = LDAP_OTHER;
                        /* fallthru */
                  case LDAP_SIZELIMIT_EXCEEDED:
                        goto done;
                  }
            }
            rs->sr_err = LDAP_SUCCESS;
      }

done:;

      send_ldap_result( op, rs );

      return rs->sr_err;
}

static int
retcode_op_add( Operation *op, SlapReply *rs )
{
      return retcode_entry_response( op, rs, NULL, op->ora_e );
}

typedef struct retcode_cb_t {
      BackendInfo *rdc_info;
      unsigned    rdc_flags;
      ber_tag_t   rdc_tag;
      AttributeName     *rdc_attrs;
} retcode_cb_t;

static int
retcode_cb_response( Operation *op, SlapReply *rs )
{
      retcode_cb_t      *rdc = (retcode_cb_t *)op->o_callback->sc_private;

      op->o_tag = rdc->rdc_tag;
      if ( rs->sr_type == REP_SEARCH ) {
            ber_tag_t   o_tag = op->o_tag;
            int         rc;

            if ( op->o_tag == LDAP_REQ_SEARCH ) {
                  rs->sr_attrs = rdc->rdc_attrs;
            }
            rc = retcode_entry_response( op, rs, rdc->rdc_info, rs->sr_entry );
            op->o_tag = o_tag;

            return rc;
      }

      switch ( rs->sr_err ) {
      case LDAP_SUCCESS:
      case LDAP_NO_SUCH_OBJECT:
            /* in case of noSuchObject, stop the internal search
             * for in-directory error stuff */
            if ( !op->o_abandon ) {
                  rdc->rdc_flags = SLAP_CB_CONTINUE;
            }
            return 0;
      }

      return SLAP_CB_CONTINUE;
}

static int
retcode_op_internal( Operation *op, SlapReply *rs )
{
      slap_overinst     *on = (slap_overinst *)op->o_bd->bd_info;

      Operation   op2 = *op;
      BackendDB   db = *op->o_bd;
      slap_callback     sc = { 0 };
      retcode_cb_t      rdc;

      int         rc;

      op2.o_tag = LDAP_REQ_SEARCH;
      op2.ors_scope = LDAP_SCOPE_BASE;
      op2.ors_deref = LDAP_DEREF_NEVER;
      op2.ors_tlimit = SLAP_NO_LIMIT;
      op2.ors_slimit = SLAP_NO_LIMIT;
      op2.ors_limit = NULL;
      op2.ors_attrsonly = 0;
      op2.ors_attrs = slap_anlist_all_attributes;

      ber_str2bv_x( "(objectClass=errAbsObject)",
            STRLENOF( "(objectClass=errAbsObject)" ),
            1, &op2.ors_filterstr, op2.o_tmpmemctx );
      op2.ors_filter = str2filter_x( &op2, op2.ors_filterstr.bv_val );

      db.bd_info = on->on_info->oi_orig;
      op2.o_bd = &db;

      rdc.rdc_info = on->on_info->oi_orig;
      rdc.rdc_flags = RETCODE_FINDIR;
      if ( op->o_tag == LDAP_REQ_SEARCH ) {
            rdc.rdc_attrs = op->ors_attrs;
      }
      rdc.rdc_tag = op->o_tag;
      sc.sc_response = retcode_cb_response;
      sc.sc_private = &rdc;
      op2.o_callback = &sc;

      rc = op2.o_bd->be_search( &op2, rs );
      op->o_abandon = op2.o_abandon;

      filter_free_x( &op2, op2.ors_filter );
      ber_memfree_x( op2.ors_filterstr.bv_val, op2.o_tmpmemctx );

      if ( rdc.rdc_flags == SLAP_CB_CONTINUE ) {
            return SLAP_CB_CONTINUE;
      }

      return rc;
}

static int
retcode_op_func( Operation *op, SlapReply *rs )
{
      slap_overinst     *on = (slap_overinst *)op->o_bd->bd_info;
      retcode_t   *rd = (retcode_t *)on->on_bi.bi_private;

      retcode_item_t    *rdi;
      struct berval           nrdn, npdn;

      slap_callback           *cb = NULL;

      /* sleep as required */
      retcode_sleep( rd->rd_sleep );

      if ( !dnIsSuffix( &op->o_req_ndn, &rd->rd_npdn ) ) {
            if ( RETCODE_INDIR( rd ) ) {
                  switch ( op->o_tag ) {
                  case LDAP_REQ_ADD:
                        return retcode_op_add( op, rs );

                  case LDAP_REQ_BIND:
                        /* skip if rootdn */
                        /* FIXME: better give the db a chance? */
                        if ( be_isroot_pw( op ) ) {
                              return LDAP_SUCCESS;
                        }
                        return retcode_op_internal( op, rs );

                  case LDAP_REQ_SEARCH:
                        if ( op->ors_scope == LDAP_SCOPE_BASE ) {
                              rs->sr_err = retcode_op_internal( op, rs );
                              switch ( rs->sr_err ) {
                              case SLAP_CB_CONTINUE:
                                    if ( rs->sr_nentries == 0 ) {
                                          break;
                                    }
                                    rs->sr_err = LDAP_SUCCESS;
                                    /* fallthru */

                              default:
                                    send_ldap_result( op, rs );
                                    break;
                              }
                              return rs->sr_err;
                        }
                        break;

                  case LDAP_REQ_MODIFY:
                  case LDAP_REQ_DELETE:
                  case LDAP_REQ_MODRDN:
                  case LDAP_REQ_COMPARE:
                        return retcode_op_internal( op, rs );
                  }
            }

            return SLAP_CB_CONTINUE;
      }

      if ( op->o_tag == LDAP_REQ_SEARCH
                  && op->ors_scope != LDAP_SCOPE_BASE
                  && op->o_req_ndn.bv_len == rd->rd_npdn.bv_len )
      {
            return retcode_send_onelevel( op, rs );
      }

      dnParent( &op->o_req_ndn, &npdn );
      if ( npdn.bv_len != rd->rd_npdn.bv_len ) {
            rs->sr_err = LDAP_NO_SUCH_OBJECT;
            rs->sr_matched = rd->rd_pdn.bv_val;
            send_ldap_result( op, rs );
            rs->sr_matched = NULL;
            return rs->sr_err;
      }

      dnRdn( &op->o_req_ndn, &nrdn );

      for ( rdi = rd->rd_item; rdi != NULL; rdi = rdi->rdi_next ) {
            struct berval     rdi_nrdn;

            dnRdn( &rdi->rdi_ndn, &rdi_nrdn );
            if ( dn_match( &nrdn, &rdi_nrdn ) ) {
                  break;
            }
      }

      if ( rdi != NULL && rdi->rdi_mask != SN_DG_OP_ALL ) {
            retcode_op_e      o_tag = SN_DG_OP_NONE;

            switch ( op->o_tag ) {
            case LDAP_REQ_ADD:
                  o_tag = SN_DG_OP_ADD;
                  break;

            case LDAP_REQ_BIND:
                  o_tag = SN_DG_OP_BIND;
                  break;

            case LDAP_REQ_COMPARE:
                  o_tag = SN_DG_OP_COMPARE;
                  break;

            case LDAP_REQ_DELETE:
                  o_tag = SN_DG_OP_DELETE;
                  break;

            case LDAP_REQ_MODIFY:
                  o_tag = SN_DG_OP_MODIFY;
                  break;

            case LDAP_REQ_MODRDN:
                  o_tag = SN_DG_OP_RENAME;
                  break;

            case LDAP_REQ_SEARCH:
                  o_tag = SN_DG_OP_SEARCH;
                  break;

            case LDAP_REQ_EXTENDED:
                  o_tag = SN_DG_EXTENDED;
                  break;

            default:
                  /* Should not happen */
                  break;
            }

            if ( !( o_tag & rdi->rdi_mask ) ) {
                  return SLAP_CB_CONTINUE;
            }
      }

      if ( rdi == NULL ) {
            rs->sr_matched = rd->rd_pdn.bv_val;
            rs->sr_err = LDAP_NO_SUCH_OBJECT;
            rs->sr_text = "retcode not found";

      } else {
            if ( rdi->rdi_flags & RDI_PRE_DISCONNECT ) {
                  return rs->sr_err = SLAPD_DISCONNECT;
            }

            rs->sr_err = rdi->rdi_err;
            rs->sr_text = rdi->rdi_text.bv_val;
            rs->sr_matched = rdi->rdi_matched.bv_val;

            /* FIXME: we only honor the rdi_ref field in case rdi_err
             * is LDAP_REFERRAL otherwise send_ldap_result() bails out */
            if ( rs->sr_err == LDAP_REFERRAL ) {
                  BerVarray   ref;

                  if ( rdi->rdi_ref != NULL ) {
                        ref = rdi->rdi_ref;
                  } else {
                        ref = default_referral;
                  }

                  if ( ref != NULL ) {
                        rs->sr_ref = referral_rewrite( ref,
                              NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );

                  } else {
                        rs->sr_err = LDAP_OTHER;
                        rs->sr_text = "bad referral object";
                  }
            }

            retcode_sleep( rdi->rdi_sleeptime );
      }

      switch ( op->o_tag ) {
      case LDAP_REQ_EXTENDED:
            if ( rdi == NULL ) {
                  break;
            }
            cb = ( slap_callback * )ch_malloc( sizeof( slap_callback ) );
            memset( cb, 0, sizeof( slap_callback ) );
            cb->sc_cleanup = retcode_cleanup_cb;
            op->o_callback = cb;
            break;

      default:
            if ( rdi && !BER_BVISNULL( &rdi->rdi_unsolicited_oid ) ) {
                  ber_int_t   msgid = op->o_msgid;

                  /* RFC 4511 unsolicited response */

                  op->o_msgid = 0;
                  if ( strcmp( rdi->rdi_unsolicited_oid.bv_val, "0" ) == 0 ) {
                        send_ldap_result( op, rs );

                  } else {
                        ber_tag_t   tag = op->o_tag;

                        op->o_tag = LDAP_REQ_EXTENDED;
                        rs->sr_rspoid = rdi->rdi_unsolicited_oid.bv_val;
                        if ( !BER_BVISNULL( &rdi->rdi_unsolicited_data ) ) {
                              rs->sr_rspdata = &rdi->rdi_unsolicited_data;
                        }
                        send_ldap_extended( op, rs );
                        rs->sr_rspoid = NULL;
                        rs->sr_rspdata = NULL;
                        op->o_tag = tag;

                  }
                  op->o_msgid = msgid;

            } else {
                  send_ldap_result( op, rs );
            }

            if ( rs->sr_ref != NULL ) {
                  ber_bvarray_free( rs->sr_ref );
                  rs->sr_ref = NULL;
            }
            rs->sr_matched = NULL;
            rs->sr_text = NULL;

            if ( rdi && rdi->rdi_flags & RDI_POST_DISCONNECT ) {
                  return rs->sr_err = SLAPD_DISCONNECT;
            }
            break;
      }

      return rs->sr_err;
}

static int
retcode_op2str( ber_tag_t op, struct berval *bv )
{
      switch ( op ) {
      case LDAP_REQ_BIND:
            BER_BVSTR( bv, "bind" );
            return 0;
      case LDAP_REQ_ADD:
            BER_BVSTR( bv, "add" );
            return 0;
      case LDAP_REQ_DELETE:
            BER_BVSTR( bv, "delete" );
            return 0;
      case LDAP_REQ_MODRDN:
            BER_BVSTR( bv, "modrdn" );
            return 0;
      case LDAP_REQ_MODIFY:
            BER_BVSTR( bv, "modify" );
            return 0;
      case LDAP_REQ_COMPARE:
            BER_BVSTR( bv, "compare" );
            return 0;
      case LDAP_REQ_SEARCH:
            BER_BVSTR( bv, "search" );
            return 0;
      case LDAP_REQ_EXTENDED:
            BER_BVSTR( bv, "extended" );
            return 0;
      }
      return -1;
}

static int
retcode_entry_response( Operation *op, SlapReply *rs, BackendInfo *bi, Entry *e )
{
      Attribute   *a;
      int         err;
      char        *next;
      int         disconnect = 0;

      if ( get_manageDSAit( op ) ) {
            return SLAP_CB_CONTINUE;
      }

      if ( !is_entry_objectclass_or_sub( e, oc_errAbsObject ) ) {
            return SLAP_CB_CONTINUE;
      }

      /* operation */
      a = attr_find( e->e_attrs, ad_errOp );
      if ( a != NULL ) {
            int         i,
                        gotit = 0;
            struct berval     bv = BER_BVNULL;

            (void)retcode_op2str( op->o_tag, &bv );

            if ( BER_BVISNULL( &bv ) ) {
                  return SLAP_CB_CONTINUE;
            }

            for ( i = 0; !BER_BVISNULL( &a->a_nvals[ i ] ); i++ ) {
                  if ( bvmatch( &a->a_nvals[ i ], &bv ) ) {
                        gotit = 1;
                        break;
                  }
            }

            if ( !gotit ) {
                  return SLAP_CB_CONTINUE;
            }
      }

      /* disconnect */
      a = attr_find( e->e_attrs, ad_errDisconnect );
      if ( a != NULL ) {
            if ( bvmatch( &a->a_nvals[ 0 ], &slap_true_bv ) ) {
                  return rs->sr_err = SLAPD_DISCONNECT;
            }
            disconnect = 1;
      }

      /* error code */
      a = attr_find( e->e_attrs, ad_errCode );
      if ( a == NULL ) {
            return SLAP_CB_CONTINUE;
      }
      err = strtol( a->a_nvals[ 0 ].bv_val, &next, 0 );
      if ( next == a->a_nvals[ 0 ].bv_val || next[ 0 ] != '\0' ) {
            return SLAP_CB_CONTINUE;
      }
      rs->sr_err = err;

      /* sleep time */
      a = attr_find( e->e_attrs, ad_errSleepTime );
      if ( a != NULL && a->a_nvals[ 0 ].bv_val[ 0 ] != '-' ) {
            int   sleepTime;

            if ( lutil_atoi( &sleepTime, a->a_nvals[ 0 ].bv_val ) == 0 ) {
                  retcode_sleep( sleepTime );
            }
      }

      if ( rs->sr_err != LDAP_SUCCESS && !LDAP_API_ERROR( rs->sr_err )) {
            BackendDB   db = *op->o_bd,
                        *o_bd = op->o_bd;
            void        *o_callback = op->o_callback;

            /* message text */
            a = attr_find( e->e_attrs, ad_errText );
            if ( a != NULL ) {
                  rs->sr_text = a->a_vals[ 0 ].bv_val;
            }

            /* matched DN */
            a = attr_find( e->e_attrs, ad_errMatchedDN );
            if ( a != NULL ) {
                  rs->sr_matched = a->a_vals[ 0 ].bv_val;
            }

            if ( bi == NULL ) {
                  slap_overinst     *on = (slap_overinst *)op->o_bd->bd_info;

                  bi = on->on_info->oi_orig;
            }

            db.bd_info = bi;
            op->o_bd = &db;
            op->o_callback = NULL;

            /* referral */
            if ( rs->sr_err == LDAP_REFERRAL ) {
                  BerVarray   refs = default_referral;

                  a = attr_find( e->e_attrs, slap_schema.si_ad_ref );
                  if ( a != NULL ) {
                        refs = a->a_vals;
                  }
                  rs->sr_ref = referral_rewrite( refs,
                        NULL, &op->o_req_dn, op->oq_search.rs_scope );
      
                  send_search_reference( op, rs );
                  ber_bvarray_free( rs->sr_ref );
                  rs->sr_ref = NULL;

            } else {
                  a = attr_find( e->e_attrs, ad_errUnsolicitedOID );
                  if ( a != NULL ) {
                        struct berval     oid = BER_BVNULL,
                                    data = BER_BVNULL;
                        ber_int_t   msgid = op->o_msgid;

                        /* RFC 4511 unsolicited response */

                        op->o_msgid = 0;

                        oid = a->a_nvals[ 0 ];

                        a = attr_find( e->e_attrs, ad_errUnsolicitedData );
                        if ( a != NULL ) {
                              data = a->a_nvals[ 0 ];
                        }

                        if ( strcmp( oid.bv_val, "0" ) == 0 ) {
                              send_ldap_result( op, rs );

                        } else {
                              ber_tag_t   tag = op->o_tag;

                              op->o_tag = LDAP_REQ_EXTENDED;
                              rs->sr_rspoid = oid.bv_val;
                              if ( !BER_BVISNULL( &data ) ) {
                                    rs->sr_rspdata = &data;
                              }
                              send_ldap_extended( op, rs );
                              rs->sr_rspoid = NULL;
                              rs->sr_rspdata = NULL;
                              op->o_tag = tag;
                        }
                        op->o_msgid = msgid;

                  } else {
                        send_ldap_result( op, rs );
                  }
            }

            rs->sr_text = NULL;
            rs->sr_matched = NULL;
            op->o_bd = o_bd;
            op->o_callback = o_callback;
      }

      if ( rs->sr_err != LDAP_SUCCESS ) {
            if ( disconnect ) {
                  return rs->sr_err = SLAPD_DISCONNECT;
            }
      
            op->o_abandon = 1;
            return rs->sr_err;
      }

      return SLAP_CB_CONTINUE;
}

static int
retcode_response( Operation *op, SlapReply *rs )
{
      slap_overinst     *on = (slap_overinst *)op->o_bd->bd_info;
      retcode_t   *rd = (retcode_t *)on->on_bi.bi_private;

      if ( rs->sr_type != REP_SEARCH || !RETCODE_INDIR( rd ) ) {
            return SLAP_CB_CONTINUE;
      }

      return retcode_entry_response( op, rs, NULL, rs->sr_entry );
}

static int
retcode_db_init( BackendDB *be, ConfigReply *cr )
{
      slap_overinst     *on = (slap_overinst *)be->bd_info;
      retcode_t   *rd;

      srand( getpid() );

      rd = (retcode_t *)ch_malloc( sizeof( retcode_t ) );
      memset( rd, 0, sizeof( retcode_t ) );

      on->on_bi.bi_private = (void *)rd;

      return 0;
}

static int
retcode_db_config(
      BackendDB   *be,
      const char  *fname,
      int         lineno,
      int         argc,
      char        **argv )
{
      slap_overinst     *on = (slap_overinst *)be->bd_info;
      retcode_t   *rd = (retcode_t *)on->on_bi.bi_private;

      char              *argv0 = argv[ 0 ] + STRLENOF( "retcode-" );

      if ( strncasecmp( argv[ 0 ], "retcode-", STRLENOF( "retcode-" ) ) != 0 ) {
            return SLAP_CONF_UNKNOWN;
      }

      if ( strcasecmp( argv0, "parent" ) == 0 ) {
            struct berval     dn;
            int         rc;

            if ( argc != 2 ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "\"retcode-parent <DN>\": missing <DN>\n",
                        fname, lineno );
                  return 1;
            }

            if ( !BER_BVISNULL( &rd->rd_pdn ) ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "parent already defined.\n", fname, lineno );
                  return 1;
            }

            ber_str2bv( argv[ 1 ], 0, 0, &dn );

            rc = dnPrettyNormal( NULL, &dn, &rd->rd_pdn, &rd->rd_npdn, NULL );
            if ( rc != LDAP_SUCCESS ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "unable to normalize parent DN \"%s\": %d\n",
                        fname, lineno, argv[ 1 ], rc );
                  return 1;
            }

      } else if ( strcasecmp( argv0, "item" ) == 0 ) {
            retcode_item_t    rdi = { BER_BVNULL }, **rdip;
            struct berval           bv, rdn, nrdn;
            int               rc;
            char              *next = NULL;

            if ( argc < 3 ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "\"retcode-item <RDN> <retcode> [<text>]\": "
                        "missing args\n",
                        fname, lineno );
                  return 1;
            }

            ber_str2bv( argv[ 1 ], 0, 0, &bv );
            
            rc = dnPrettyNormal( NULL, &bv, &rdn, &nrdn, NULL );
            if ( rc != LDAP_SUCCESS ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "unable to normalize RDN \"%s\": %d\n",
                        fname, lineno, argv[ 1 ], rc );
                  return 1;
            }

            if ( !dnIsOneLevelRDN( &nrdn ) ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "value \"%s\" is not a RDN\n",
                        fname, lineno, argv[ 1 ] );
                  return 1;
            }

            if ( BER_BVISNULL( &rd->rd_npdn ) ) {
                  /* FIXME: we use the database suffix */
                  if ( be->be_nsuffix == NULL ) {
                        fprintf( stderr, "%s: line %d: retcode: "
                              "either \"retcode-parent\" "
                              "or \"suffix\" must be defined.\n",
                              fname, lineno );
                        return 1;
                  }

                  ber_dupbv( &rd->rd_pdn, &be->be_suffix[ 0 ] );
                  ber_dupbv( &rd->rd_npdn, &be->be_nsuffix[ 0 ] );
            }

            build_new_dn( &rdi.rdi_dn, &rd->rd_pdn, &rdn, NULL );
            build_new_dn( &rdi.rdi_ndn, &rd->rd_npdn, &nrdn, NULL );

            ch_free( rdn.bv_val );
            ch_free( nrdn.bv_val );

            rdi.rdi_err = strtol( argv[ 2 ], &next, 0 );
            if ( next == argv[ 2 ] || next[ 0 ] != '\0' ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "unable to parse return code \"%s\"\n",
                        fname, lineno, argv[ 2 ] );
                  return 1;
            }

            rdi.rdi_mask = SN_DG_OP_ALL;

            if ( argc > 3 ) {
                  int   i;

                  for ( i = 3; i < argc; i++ ) {
                        if ( strncasecmp( argv[ i ], "op=", STRLENOF( "op=" ) ) == 0 )
                        {
                              char        **ops;
                              int         j;

                              ops = ldap_str2charray( &argv[ i ][ STRLENOF( "op=" ) ], "," );
                              assert( ops != NULL );

                              rdi.rdi_mask = SN_DG_OP_NONE;

                              for ( j = 0; ops[ j ] != NULL; j++ ) {
                                    if ( strcasecmp( ops[ j ], "add" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_ADD;

                                    } else if ( strcasecmp( ops[ j ], "bind" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_BIND;

                                    } else if ( strcasecmp( ops[ j ], "compare" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_COMPARE;

                                    } else if ( strcasecmp( ops[ j ], "delete" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_DELETE;

                                    } else if ( strcasecmp( ops[ j ], "modify" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_MODIFY;

                                    } else if ( strcasecmp( ops[ j ], "rename" ) == 0
                                          || strcasecmp( ops[ j ], "modrdn" ) == 0 )
                                    {
                                          rdi.rdi_mask |= SN_DG_OP_RENAME;

                                    } else if ( strcasecmp( ops[ j ], "search" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_SEARCH;

                                    } else if ( strcasecmp( ops[ j ], "extended" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_EXTENDED;

                                    } else if ( strcasecmp( ops[ j ], "auth" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_AUTH;

                                    } else if ( strcasecmp( ops[ j ], "read" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_READ;

                                    } else if ( strcasecmp( ops[ j ], "write" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_WRITE;

                                    } else if ( strcasecmp( ops[ j ], "all" ) == 0 ) {
                                          rdi.rdi_mask |= SN_DG_OP_ALL;

                                    } else {
                                          fprintf( stderr, "retcode: unknown op \"%s\"\n",
                                                ops[ j ] );
                                          ldap_charray_free( ops );
                                          return 1;
                                    }
                              }

                              ldap_charray_free( ops );

                        } else if ( strncasecmp( argv[ i ], "text=", STRLENOF( "text=" ) ) == 0 )
                        {
                              if ( !BER_BVISNULL( &rdi.rdi_text ) ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "\"text\" already provided.\n",
                                          fname, lineno );
                                    return 1;
                              }
                              ber_str2bv( &argv[ i ][ STRLENOF( "text=" ) ], 0, 1, &rdi.rdi_text );

                        } else if ( strncasecmp( argv[ i ], "matched=", STRLENOF( "matched=" ) ) == 0 )
                        {
                              struct berval     dn;

                              if ( !BER_BVISNULL( &rdi.rdi_matched ) ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "\"matched\" already provided.\n",
                                          fname, lineno );
                                    return 1;
                              }
                              ber_str2bv( &argv[ i ][ STRLENOF( "matched=" ) ], 0, 0, &dn );
                              if ( dnPretty( NULL, &dn, &rdi.rdi_matched, NULL ) != LDAP_SUCCESS ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "unable to prettify matched DN \"%s\".\n",
                                          fname, lineno, &argv[ i ][ STRLENOF( "matched=" ) ] );
                                    return 1;
                              }

                        } else if ( strncasecmp( argv[ i ], "ref=", STRLENOF( "ref=" ) ) == 0 )
                        {
                              char        **refs;
                              int         j;

                              if ( rdi.rdi_ref != NULL ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "\"ref\" already provided.\n",
                                          fname, lineno );
                                    return 1;
                              }

                              if ( rdi.rdi_err != LDAP_REFERRAL ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "providing \"ref\"\n"
                                          "\talong with a non-referral "
                                          "resultCode may cause slapd failures\n"
                                          "\trelated to internal checks.\n",
                                          fname, lineno );
                              }

                              refs = ldap_str2charray( &argv[ i ][ STRLENOF( "ref=" ) ], " " );
                              assert( refs != NULL );

                              for ( j = 0; refs[ j ] != NULL; j++ ) {
                                    struct berval     bv;

                                    ber_str2bv( refs[ j ], 0, 1, &bv );
                                    ber_bvarray_add( &rdi.rdi_ref, &bv );
                              }

                              ldap_charray_free( refs );

                        } else if ( strncasecmp( argv[ i ], "sleeptime=", STRLENOF( "sleeptime=" ) ) == 0 )
                        {
                              if ( rdi.rdi_sleeptime != 0 ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "\"sleeptime\" already provided.\n",
                                          fname, lineno );
                                    return 1;
                              }

                              if ( lutil_atoi( &rdi.rdi_sleeptime, &argv[ i ][ STRLENOF( "sleeptime=" ) ] ) ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "unable to parse \"sleeptime=%s\".\n",
                                          fname, lineno, &argv[ i ][ STRLENOF( "sleeptime=" ) ] );
                                    return 1;
                              }

                        } else if ( strncasecmp( argv[ i ], "unsolicited=", STRLENOF( "unsolicited=" ) ) == 0 )
                        {
                              char        *data;

                              if ( !BER_BVISNULL( &rdi.rdi_unsolicited_oid ) ) {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "\"unsolicited\" already provided.\n",
                                          fname, lineno );
                                    return 1;
                              }

                              data = strchr( &argv[ i ][ STRLENOF( "unsolicited=" ) ], ':' );
                              if ( data != NULL ) {
                                    struct berval     oid;

                                    if ( ldif_parse_line2( &argv[ i ][ STRLENOF( "unsolicited=" ) ],
                                          &oid, &rdi.rdi_unsolicited_data, NULL ) )
                                    {
                                          fprintf( stderr, "%s: line %d: retcode: "
                                                "unable to parse \"unsolicited\".\n",
                                                fname, lineno );
                                          return 1;
                                    }

                                    ber_dupbv( &rdi.rdi_unsolicited_oid, &oid );

                              } else {
                                    ber_str2bv( &argv[ i ][ STRLENOF( "unsolicited=" ) ], 0, 1,
                                          &rdi.rdi_unsolicited_oid );
                              }

                        } else if ( strncasecmp( argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 )
                        {
                              char *arg = &argv[ i ][ STRLENOF( "flags=" ) ];
                              if ( strcasecmp( arg, "disconnect" ) == 0 ) {
                                    rdi.rdi_flags |= RDI_PRE_DISCONNECT;

                              } else if ( strcasecmp( arg, "pre-disconnect" ) == 0 ) {
                                    rdi.rdi_flags |= RDI_PRE_DISCONNECT;

                              } else if ( strcasecmp( arg, "post-disconnect" ) == 0 ) {
                                    rdi.rdi_flags |= RDI_POST_DISCONNECT;

                              } else {
                                    fprintf( stderr, "%s: line %d: retcode: "
                                          "unknown flag \"%s\".\n",
                                          fname, lineno, arg );
                                    return 1;
                              }

                        } else {
                              fprintf( stderr, "%s: line %d: retcode: "
                                    "unknown option \"%s\".\n",
                                    fname, lineno, argv[ i ] );
                              return 1;
                        }
                  }
            }

            for ( rdip = &rd->rd_item; *rdip; rdip = &(*rdip)->rdi_next )
                  /* go to last */ ;

            
            *rdip = ( retcode_item_t * )ch_malloc( sizeof( retcode_item_t ) );
            *(*rdip) = rdi;

      } else if ( strcasecmp( argv0, "indir" ) == 0 ) {
            rd->rd_flags |= RETCODE_FINDIR;

      } else if ( strcasecmp( argv0, "sleep" ) == 0 ) {
            switch ( argc ) {
            case 1:
                  fprintf( stderr, "%s: line %d: retcode: "
                        "\"retcode-sleep <time>\": missing <time>\n",
                        fname, lineno );
                  return 1;

            case 2:
                  break;

            default:
                  fprintf( stderr, "%s: line %d: retcode: "
                        "\"retcode-sleep <time>\": extra cruft after <time>\n",
                        fname, lineno );
                  return 1;
            }

            if ( lutil_atoi( &rd->rd_sleep, argv[ 1 ] ) != 0 ) {
                  fprintf( stderr, "%s: line %d: retcode: "
                        "\"retcode-sleep <time>\": unable to parse <time>\n",
                        fname, lineno );
                  return 1;
            }

      } else {
            return SLAP_CONF_UNKNOWN;
      }

      return 0;
}

static int
retcode_db_open( BackendDB *be, ConfigReply *cr)
{
      slap_overinst     *on = (slap_overinst *)be->bd_info;
      retcode_t   *rd = (retcode_t *)on->on_bi.bi_private;

      retcode_item_t    *rdi;

      for ( rdi = rd->rd_item; rdi; rdi = rdi->rdi_next ) {
            LDAPRDN                 rdn = NULL;
            int               rc, j;
            char*             p;
            struct berval           val[ 3 ];
            char              buf[ SLAP_TEXT_BUFLEN ];

            /* DN */
            rdi->rdi_e.e_name = rdi->rdi_dn;
            rdi->rdi_e.e_nname = rdi->rdi_ndn;

            /* objectClass */
            val[ 0 ] = oc_errObject->soc_cname;
            val[ 1 ] = slap_schema.si_oc_extensibleObject->soc_cname;
            BER_BVZERO( &val[ 2 ] );

            attr_merge( &rdi->rdi_e, slap_schema.si_ad_objectClass, val, NULL );

            /* RDN avas */
            rc = ldap_bv2rdn( &rdi->rdi_dn, &rdn, (char **) &p,
                        LDAP_DN_FORMAT_LDAP );

            assert( rc == LDAP_SUCCESS );

            for ( j = 0; rdn[ j ]; j++ ) {
                  LDAPAVA                 *ava = rdn[ j ];
                  AttributeDescription    *ad = NULL;
                  const char        *text;

                  rc = slap_bv2ad( &ava->la_attr, &ad, &text );
                  assert( rc == LDAP_SUCCESS );
                  
                  attr_merge_normalize_one( &rdi->rdi_e, ad,
                              &ava->la_value, NULL );
            }

            ldap_rdnfree( rdn );

            /* error code */
            snprintf( buf, sizeof( buf ), "%d", rdi->rdi_err );
            ber_str2bv( buf, 0, 0, &val[ 0 ] );

            attr_merge_one( &rdi->rdi_e, ad_errCode, &val[ 0 ], NULL );

            if ( rdi->rdi_ref != NULL ) {
                  attr_merge_normalize( &rdi->rdi_e, slap_schema.si_ad_ref,
                        rdi->rdi_ref, NULL );
            }

            /* text */
            if ( !BER_BVISNULL( &rdi->rdi_text ) ) {
                  val[ 0 ] = rdi->rdi_text;

                  attr_merge_normalize_one( &rdi->rdi_e, ad_errText, &val[ 0 ], NULL );
            }

            /* matched */
            if ( !BER_BVISNULL( &rdi->rdi_matched ) ) {
                  val[ 0 ] = rdi->rdi_matched;

                  attr_merge_normalize_one( &rdi->rdi_e, ad_errMatchedDN, &val[ 0 ], NULL );
            }

            /* sleep time */
            if ( rdi->rdi_sleeptime ) {
                  snprintf( buf, sizeof( buf ), "%d", rdi->rdi_sleeptime );
                  ber_str2bv( buf, 0, 0, &val[ 0 ] );

                  attr_merge_one( &rdi->rdi_e, ad_errSleepTime, &val[ 0 ], NULL );
            }

            /* operations */
            if ( rdi->rdi_mask & SN_DG_OP_ADD ) {
                  BER_BVSTR( &val[ 0 ], "add" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }

            if ( rdi->rdi_mask & SN_DG_OP_BIND ) {
                  BER_BVSTR( &val[ 0 ], "bind" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }

            if ( rdi->rdi_mask & SN_DG_OP_COMPARE ) {
                  BER_BVSTR( &val[ 0 ], "compare" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }

            if ( rdi->rdi_mask & SN_DG_OP_DELETE ) {
                  BER_BVSTR( &val[ 0 ], "delete" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }

            if ( rdi->rdi_mask & SN_DG_EXTENDED ) {
                  BER_BVSTR( &val[ 0 ], "extended" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }

            if ( rdi->rdi_mask & SN_DG_OP_MODIFY ) {
                  BER_BVSTR( &val[ 0 ], "modify" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }

            if ( rdi->rdi_mask & SN_DG_OP_RENAME ) {
                  BER_BVSTR( &val[ 0 ], "rename" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }

            if ( rdi->rdi_mask & SN_DG_OP_SEARCH ) {
                  BER_BVSTR( &val[ 0 ], "search" );
                  attr_merge_normalize_one( &rdi->rdi_e, ad_errOp, &val[ 0 ], NULL );
            }
      }

      return 0;
}

static int
retcode_db_destroy( BackendDB *be, ConfigReply *cr )
{
      slap_overinst     *on = (slap_overinst *)be->bd_info;
      retcode_t   *rd = (retcode_t *)on->on_bi.bi_private;

      if ( rd ) {
            retcode_item_t    *rdi, *next;

            for ( rdi = rd->rd_item; rdi != NULL; rdi = next ) {
                  ber_memfree( rdi->rdi_dn.bv_val );
                  ber_memfree( rdi->rdi_ndn.bv_val );

                  if ( !BER_BVISNULL( &rdi->rdi_text ) ) {
                        ber_memfree( rdi->rdi_text.bv_val );
                  }

                  if ( !BER_BVISNULL( &rdi->rdi_matched ) ) {
                        ber_memfree( rdi->rdi_matched.bv_val );
                  }

                  if ( rdi->rdi_ref ) {
                        ber_bvarray_free( rdi->rdi_ref );
                  }

                  BER_BVZERO( &rdi->rdi_e.e_name );
                  BER_BVZERO( &rdi->rdi_e.e_nname );

                  entry_clean( &rdi->rdi_e );

                  next = rdi->rdi_next;

                  ch_free( rdi );
            }

            if ( !BER_BVISNULL( &rd->rd_pdn ) ) {
                  ber_memfree( rd->rd_pdn.bv_val );
            }

            if ( !BER_BVISNULL( &rd->rd_npdn ) ) {
                  ber_memfree( rd->rd_npdn.bv_val );
            }

            ber_memfree( rd );
      }

      return 0;
}

#if SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC
static
#endif /* SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC */
int
retcode_initialize( void )
{
      int         i, code;

      static struct {
            char              *desc;
            AttributeDescription    **ad;
      } retcode_at[] = {
              { "( 1.3.6.1.4.1.4203.666.11.4.1.1 "
                    "NAME ( 'errCode' ) "
                    "DESC 'LDAP error code' "
                    "EQUALITY integerMatch "
                    "ORDERING integerOrderingMatch "
                    "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
                  "SINGLE-VALUE )",
                  &ad_errCode },
            { "( 1.3.6.1.4.1.4203.666.11.4.1.2 "
                  "NAME ( 'errOp' ) "
                  "DESC 'Operations the errObject applies to' "
                  "EQUALITY caseIgnoreMatch "
                  "SUBSTR caseIgnoreSubstringsMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )",
                  &ad_errOp},
            { "( 1.3.6.1.4.1.4203.666.11.4.1.3 "
                  "NAME ( 'errText' ) "
                  "DESC 'LDAP error textual description' "
                  "EQUALITY caseIgnoreMatch "
                  "SUBSTR caseIgnoreSubstringsMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 "
                  "SINGLE-VALUE )",
                  &ad_errText },
            { "( 1.3.6.1.4.1.4203.666.11.4.1.4 "
                  "NAME ( 'errSleepTime' ) "
                  "DESC 'Time to wait before returning the error' "
                  "EQUALITY integerMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
                  "SINGLE-VALUE )",
                  &ad_errSleepTime },
            { "( 1.3.6.1.4.1.4203.666.11.4.1.5 "
                  "NAME ( 'errMatchedDN' ) "
                  "DESC 'Value to be returned as matched DN' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
                  "SINGLE-VALUE )",
                  &ad_errMatchedDN },
            { "( 1.3.6.1.4.1.4203.666.11.4.1.6 "
                  "NAME ( 'errUnsolicitedOID' ) "
                  "DESC 'OID to be returned within unsolicited response' "
                  "EQUALITY objectIdentifierMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 "
                  "SINGLE-VALUE )",
                  &ad_errUnsolicitedOID },
            { "( 1.3.6.1.4.1.4203.666.11.4.1.7 "
                  "NAME ( 'errUnsolicitedData' ) "
                  "DESC 'Data to be returned within unsolicited response' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 "
                  "SINGLE-VALUE )",
                  &ad_errUnsolicitedData },
            { "( 1.3.6.1.4.1.4203.666.11.4.1.8 "
                  "NAME ( 'errDisconnect' ) "
                  "DESC 'Disconnect without notice' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
                  "SINGLE-VALUE )",
                  &ad_errDisconnect },
            { NULL }
      };

      static struct {
            char        *desc;
            ObjectClass **oc;
      } retcode_oc[] = {
            { "( 1.3.6.1.4.1.4203.666.11.4.3.0 "
                  "NAME ( 'errAbsObject' ) "
                  "SUP top ABSTRACT "
                  "MUST ( errCode ) "
                  "MAY ( "
                        "cn "
                        "$ description "
                        "$ errOp "
                        "$ errText "
                        "$ errSleepTime "
                        "$ errMatchedDN "
                        "$ errUnsolicitedOID "
                        "$ errUnsolicitedData "
                        "$ errDisconnect "
                  ") )",
                  &oc_errAbsObject },
            { "( 1.3.6.1.4.1.4203.666.11.4.3.1 "
                  "NAME ( 'errObject' ) "
                  "SUP errAbsObject STRUCTURAL "
                  ")",
                  &oc_errObject },
            { "( 1.3.6.1.4.1.4203.666.11.4.3.2 "
                  "NAME ( 'errAuxObject' ) "
                  "SUP errAbsObject AUXILIARY "
                  ")",
                  &oc_errAuxObject },
            { NULL }
      };


      for ( i = 0; retcode_at[ i ].desc != NULL; i++ ) {
            code = register_at( retcode_at[ i ].desc, retcode_at[ i ].ad, 0 );
            if ( code ) {
                  Debug( LDAP_DEBUG_ANY,
                        "retcode: register_at failed\n", 0, 0, 0 );
                  return code;
            }

            (*retcode_at[ i ].ad)->ad_type->sat_flags |= SLAP_AT_HIDE;
      }

      for ( i = 0; retcode_oc[ i ].desc != NULL; i++ ) {
            code = register_oc( retcode_oc[ i ].desc, retcode_oc[ i ].oc, 0 );
            if ( code ) {
                  Debug( LDAP_DEBUG_ANY,
                        "retcode: register_oc failed\n", 0, 0, 0 );
                  return code;
            }

            (*retcode_oc[ i ].oc)->soc_flags |= SLAP_OC_HIDE;
      }

      retcode.on_bi.bi_type = "retcode";

      retcode.on_bi.bi_db_init = retcode_db_init;
      retcode.on_bi.bi_db_config = retcode_db_config;
      retcode.on_bi.bi_db_open = retcode_db_open;
      retcode.on_bi.bi_db_destroy = retcode_db_destroy;

      retcode.on_bi.bi_op_add = retcode_op_func;
      retcode.on_bi.bi_op_bind = retcode_op_func;
      retcode.on_bi.bi_op_compare = retcode_op_func;
      retcode.on_bi.bi_op_delete = retcode_op_func;
      retcode.on_bi.bi_op_modify = retcode_op_func;
      retcode.on_bi.bi_op_modrdn = retcode_op_func;
      retcode.on_bi.bi_op_search = retcode_op_func;

      retcode.on_bi.bi_extended = retcode_op_func;

      retcode.on_response = retcode_response;

      return overlay_register( &retcode );
}

#if SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC
int
init_module( int argc, char *argv[] )
{
      return retcode_initialize();
}
#endif /* SLAPD_OVER_RETCODE == SLAPD_MOD_DYNAMIC */

#endif /* SLAPD_OVER_RETCODE */

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