+
+ ext = find_extop(supp_ext_list, &op->ore_reqoid );
+ if ( ext == NULL ) {
+ Statslog( LDAP_DEBUG_STATS, "%s EXT oid=%s\n",
+ op->o_log_prefix, op->ore_reqoid.bv_val, 0, 0, 0 );
+ Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
+ op->ore_reqoid.bv_val, 0 ,0 );
+ send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
+ "unsupported extended operation" );
+ goto done;
+ }
+
+ op->ore_flags = ext->flags;
+
+ Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n",
+ op->ore_reqoid.bv_val, 0 ,0 );
+
+ { /* start of OpenLDAP extended operation */
+ BackendDB *bd = op->o_bd;
+
+ rs->sr_err = (ext->ext_main)( op, rs );
+
+ if( rs->sr_err != SLAPD_ABANDON ) {
+ if ( rs->sr_err == LDAP_REFERRAL && rs->sr_ref == NULL ) {
+ rs->sr_ref = referral_rewrite( default_referral,
+ NULL, NULL, LDAP_SCOPE_DEFAULT );
+ if ( !rs->sr_ref ) rs->sr_ref = default_referral;
+ if ( !rs->sr_ref ) {
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ rs->sr_text = "referral missing";
+ }
+ }
+
+ if ( op->o_bd == NULL )
+ op->o_bd = bd;
+ send_ldap_extended( op, rs );
+
+ if ( rs->sr_ref != default_referral ) {
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ }
+ }
+
+ if ( rs->sr_rspoid != NULL ) {
+ free( (char *)rs->sr_rspoid );
+ }
+
+ if ( rs->sr_rspdata != NULL ) {
+ ber_bvfree( rs->sr_rspdata );
+ }
+ } /* end of OpenLDAP extended operation */
+
+done:;
+ return rs->sr_err;
+}
+
+int
+load_extop2(
+ const struct berval *ext_oid,
+ slap_mask_t ext_flags,
+ SLAP_EXTOP_MAIN_FN *ext_main,
+ unsigned flags )
+{
+ struct berval oidm = BER_BVNULL;
+ struct extop_list *ext;
+ int insertme = 0;
+
+ if ( !ext_main ) {
+ return -1;
+ }
+
+ if ( ext_oid == NULL || BER_BVISNULL( ext_oid ) ||
+ BER_BVISEMPTY( ext_oid ) )
+ {
+ return -1;
+ }
+
+ if ( numericoidValidate( NULL, (struct berval *)ext_oid ) !=
+ LDAP_SUCCESS )
+ {
+ oidm.bv_val = oidm_find( ext_oid->bv_val );
+ if ( ext_oid == NULL ) {
+ return -1;
+ }
+ oidm.bv_len = strlen( oidm.bv_val );
+ ext_oid = &oidm;
+ }
+
+ for ( ext = supp_ext_list; ext; ext = ext->next ) {
+ if ( bvmatch( ext_oid, &ext->oid ) ) {
+ if ( flags == 1 ) {
+ break;
+ }
+ return -1;
+ }
+ }
+
+ if ( flags == 0 || ext == NULL ) {
+ ext = ch_calloc( 1, sizeof(struct extop_list) + ext_oid->bv_len + 1 );
+ if ( ext == NULL ) {
+ return(-1);
+ }
+
+ ext->oid.bv_val = (char *)(ext + 1);
+ AC_MEMCPY( ext->oid.bv_val, ext_oid->bv_val, ext_oid->bv_len );
+ ext->oid.bv_len = ext_oid->bv_len;
+ ext->oid.bv_val[ext->oid.bv_len] = '\0';
+
+ insertme = 1;
+ }
+
+ ext->flags = ext_flags;
+ ext->ext_main = ext_main;
+
+ if ( insertme ) {
+ ext->next = supp_ext_list;
+ supp_ext_list = ext;
+ }
+
+ return(0);
+}
+
+int
+extops_init (void)
+{
+ int i;
+
+ for ( i = 0; builtin_extops[i].oid != NULL; i++ ) {
+ load_extop( (struct berval *)builtin_extops[i].oid,
+ builtin_extops[i].flags,
+ builtin_extops[i].ext_main );
+ }
+ return(0);
+}
+
+int
+extops_kill (void)
+{
+ struct extop_list *ext;
+
+ /* we allocated the memory, so we have to free it, too. */
+ while ((ext = supp_ext_list) != NULL) {
+ supp_ext_list = ext->next;
+ ch_free(ext);
+ }
+ return(0);
+}
+
+static struct extop_list *
+find_extop( struct extop_list *list, struct berval *oid )
+{
+ struct extop_list *ext;
+
+ for (ext = list; ext; ext = ext->next) {
+ if (bvmatch(&ext->oid, oid))
+ return(ext);
+ }
+ return(NULL);
+}
+
+
+const struct berval slap_EXOP_WHOAMI = BER_BVC(LDAP_EXOP_WHO_AM_I);
+
+static int
+whoami_extop (
+ Operation *op,
+ SlapReply *rs )
+{
+ struct berval *bv;
+
+ if ( op->ore_reqdata != NULL ) {
+ /* no request data should be provided */
+ rs->sr_text = "no request data expected";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
+ op->o_log_prefix, 0, 0, 0, 0 );
+
+ op->o_bd = op->o_conn->c_authz_backend;
+ if( backend_check_restrictions( op, rs,
+ (struct berval *)&slap_EXOP_WHOAMI ) != LDAP_SUCCESS )
+ {
+ return rs->sr_err;
+ }
+
+ bv = (struct berval *) ch_malloc( sizeof(struct berval) );
+ if( op->o_dn.bv_len ) {
+ bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
+ bv->bv_val = ch_malloc( bv->bv_len + 1 );
+ AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
+ AC_MEMCPY( &bv->bv_val[STRLENOF( "dn:" )], op->o_dn.bv_val,
+ op->o_dn.bv_len );
+ bv->bv_val[bv->bv_len] = '\0';
+
+ } else {
+ bv->bv_len = 0;
+ bv->bv_val = NULL;