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    /* root_dse.c - Provides the ROOT DSA-Specific Entry
     *
     * Copyright 1999 The OpenLDAP Foundation.
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms are permitted only
     * as authorized by the OpenLDAP Public License.  A copy of this
     * license is available at http://www.OpenLDAP.org/license.html or
     * in file LICENSE in the top-level directory of the distribution.
     */
    
    #include "portable.h"
    
    #include <stdio.h>
    
    
    #include "ldap_defaults.h"
    
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    #include "slap.h"
    
    void
    
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    root_dse_info( Connection *conn, Operation *op, char **attrs, int attrsonly )
    
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    {
    
    	char buf[BUFSIZ];
    
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    	Entry		*e;
    	struct berval	val;
    	struct berval	*vals[2];
    	int		i, j;
    
    	vals[0] = &val;
    	vals[1] = NULL;
    
    	e = (Entry *) ch_calloc( 1, sizeof(Entry) );
    
    	e->e_attrs = NULL;
    	e->e_dn = ch_strdup( LDAP_ROOT_DSE );
    
    	e->e_ndn = ch_strdup( LDAP_ROOT_DSE );
    	(void) dn_normalize_case( e->e_ndn );
    
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    	e->e_private = NULL;
    
    	for ( i = 0; i < nbackends; i++ ) {
    		for ( j = 0; backends[i].be_suffix[j] != NULL; j++ ) {
    
    			val.bv_val = backends[i].be_suffix[j];
    			val.bv_len = strlen( val.bv_val );
    
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    			attr_merge( e, "namingContexts", vals );
    		}
    	}
    
    
    #if defined( SLAPD_MONITOR_DN )
    
    	val.bv_val = SLAPD_MONITOR_DN;
    	val.bv_len = strlen( val.bv_val );
    
    	attr_merge( e, "namingContexts", vals );
    
    	/* subschemasubentry is added by send_search_entry() */
    
    #endif
    
    #if defined( SLAPD_CONFIG_DN )
    
    	val.bv_val = SLAPD_CONFIG_DN;
    	val.bv_len = strlen( val.bv_val );
    
    	attr_merge( e, "namingContexts", vals );
    #endif
    
    
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    #if defined( SLAPD_SCHEMA_DN )
    
    	val.bv_val = SLAPD_SCHEMA_DN;
    
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    	val.bv_len = strlen( val.bv_val );
    
    	attr_merge( e, "namingContexts", vals );
    
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    #endif
    
    	/* altServer unsupported */
    
    
    	/* supportedControl */
    	for ( i=0; supportedControls[i] != NULL; i++ ) {
    
    		val.bv_val = supportedControls[i];
    		val.bv_len = strlen( val.bv_val );
    
    		attr_merge( e, "supportedControl", vals );
    	}
    
    	/* supportedExtension */
    	for ( i=0; supportedExtensions[i] != NULL; i++ ) {
    
    		val.bv_val = supportedExtensions[i];
    		val.bv_len = strlen( val.bv_val );
    
    		attr_merge( e, "supportedExtension", vals );
    	}
    
    	/* supportedLDAPVersion */
    
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    	for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) {
    		sprintf(buf,"%d",i);
    		val.bv_val = buf;
    
    		val.bv_len = strlen( val.bv_val );
    
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    		attr_merge( e, "supportedLDAPVersion", vals );
    	}
    
    
    	/* supportedSASLMechanism */
    	for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
    
    		val.bv_val = supportedSASLMechanisms[i];
    		val.bv_len = strlen( val.bv_val );
    
    		attr_merge( e, "supportedSASLMechanisms", vals );
    
    	if ( default_referral != NULL ) {
    		attr_merge( e, "ref", default_referral );
    	}
    
    	send_search_entry( &backends[0], conn, op,
    
    		e, attrs, attrsonly, 0, NULL );
    
    	send_search_result( conn, op, LDAP_SUCCESS,
    		NULL, NULL, NULL, NULL, 1 );
    
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    	entry_free( e );
    }