/*
 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
 */
/*
 * (C) Copyright IBM Corp. 1997,2002
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is 
 * given to IBM Corporation. This software is provided ``as is'' 
 * without express or implied warranty.
 */
/*
 * Portions (C) Copyright PADL Software Pty Ltd.
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is 
 * given to PADL Software Pty Ltd. This software is provided ``as is'' 
 * without express or implied warranty.
 */

#include "portable.h"
#include "slapi_common.h"

#include <ac/string.h>

#include <slap.h>
#include <slapi.h>
#include <stdarg.h>
#include <ctype.h>
#include <unistd.h>
#include <ldap_pvt.h>

struct berval *ns_get_supported_extop( int );

#ifdef _SPARC  
#include <sys/systeminfo.h>
#endif

#include <netdb.h>

/*
 * server start time (should we use a struct timeval also in slapd?
 */
static struct			timeval base_time;
ldap_pvt_thread_mutex_t		slapi_hn_mutex;
ldap_pvt_thread_mutex_t		slapi_time_mutex;

struct slapi_mutex {
	ldap_pvt_thread_mutex_t mutex;
};

struct slapi_condvar {
	ldap_pvt_thread_cond_t cond;
	ldap_pvt_thread_mutex_t mutex;
};

/*
 * This function converts an array of pointers to berval objects to
 * an array of berval objects.
 */

int
bvptr2obj(
	struct berval	**bvptr, 
	BerVarray	*bvobj )
{
	int		rc = LDAP_SUCCESS;
	int		i;
	BerVarray	tmpberval;

	if ( bvptr == NULL || *bvptr == NULL ) {
		return LDAP_OTHER;
	}

	for ( i = 0; bvptr != NULL && bvptr[i] != NULL; i++ ) {
		; /* EMPTY */
	}

	tmpberval = (BerVarray)slapi_ch_malloc( (i + 1)*sizeof(struct berval));
	if ( tmpberval == NULL ) {
		return LDAP_NO_MEMORY;
	} 

	for ( i = 0; bvptr[i] != NULL; i++ ) {
		tmpberval[i].bv_val = bvptr[i]->bv_val;
		tmpberval[i].bv_len = bvptr[i]->bv_len;
	}

	if ( rc == LDAP_SUCCESS ) {
		*bvobj = tmpberval;
	}

	return rc;
}

Slapi_Entry *
slapi_str2entry(
	char		*s, 
	int		check_dup )
{
#if defined(LDAP_SLAPI)
	Slapi_Entry	*e = NULL;
	char		*pTmpS;

	pTmpS = slapi_ch_strdup( s );
	if ( pTmpS != NULL ) {
		e = str2entry( pTmpS ); 
		slapi_ch_free( (void **)&pTmpS );
	}

	return e;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_entry2str(
	Slapi_Entry	*e, 
	int		*len ) 
{
#if defined(LDAP_SLAPI)
	char		*ret;

	ldap_pvt_thread_mutex_lock( &entry2str_mutex );
	ret = entry2str( e, len );
	ldap_pvt_thread_mutex_unlock( &entry2str_mutex );

	return ret;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_entry_get_dn( Slapi_Entry *e ) 
{
#if defined(LDAP_SLAPI)
	return e->e_name.bv_val;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

int
slapi_x_entry_get_id( Slapi_Entry *e )
{
#if defined(LDAP_SLAPI)
	return e->e_id;
#else
	return NOID;
#endif /* !defined(LDAP_SLAPI) */
}

void 
slapi_entry_set_dn(
	Slapi_Entry	*e, 
	char		*ldn )
{
#if defined(LDAP_SLAPI)
	struct berval	dn = { 0, NULL };

	dn.bv_val = ldn;
	dn.bv_len = strlen( ldn );

	dnPrettyNormal( NULL, &dn, &e->e_name, &e->e_nname );
#endif /* defined(LDAP_SLAPI) */
}

Slapi_Entry *
slapi_entry_dup( Slapi_Entry *e ) 
{
#if defined(LDAP_SLAPI)
	char		*tmp = NULL;
	Slapi_Entry	*tmpEnt;
	int		len = 0;
	
	tmp = slapi_entry2str( e, &len );
	if ( tmp == NULL ) {
		return (Slapi_Entry *)NULL;
	}

	tmpEnt = (Slapi_Entry *)str2entry( tmp );
	if ( tmpEnt == NULL ) { 
		slapi_ch_free( (void **)&tmp );
		return (Slapi_Entry *)NULL;
	}
	
	if (tmp != NULL) {
		slapi_ch_free( (void **)&tmp );
	}

	return tmpEnt;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

int 
slapi_entry_attr_delete(
	Slapi_Entry	*e, 		
	char		*type ) 
{
#if defined(LDAP_SLAPI)
	AttributeDescription	*ad = NULL;
	const char		*text;

	if ( slap_str2ad( type, &ad, &text ) != LDAP_SUCCESS ) {
		return 1;	/* LDAP_NO_SUCH_ATTRIBUTE */
	}

	if ( attr_delete( &e->e_attrs, ad ) == LDAP_SUCCESS ) {
		return 0;	/* attribute is deleted */
	} else {
		return -1;	/* something went wrong */
	}
#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}

Slapi_Entry *
slapi_entry_alloc( void ) 
{
#if defined(LDAP_SLAPI)
	return (Slapi_Entry *)slapi_ch_calloc( 1, sizeof(Slapi_Entry) );
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

void 
slapi_entry_free( Slapi_Entry *e ) 
{
#if defined(LDAP_SLAPI)
	entry_free( e );
#endif /* defined(LDAP_SLAPI) */
}

int 
slapi_entry_attr_merge(
	Slapi_Entry	*e, 
	char		*type, 
	struct berval	**vals ) 
{
#if defined(LDAP_SLAPI)
	AttributeDescription	*ad = NULL;
	const char		*text;
	BerVarray		bv;
	int			rc;

	rc = bvptr2obj( vals, &bv );
	if ( rc != LDAP_SUCCESS ) {
		return -1;
	}
	
	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return -1;
	}
	
	rc = attr_merge( e, ad, bv );
	ch_free( bv );

	return rc;
#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}

int
slapi_entry_attr_find(
	Slapi_Entry	*e, 
	char		*type, 
	Slapi_Attr	**attr ) 
{
#if defined(LDAP_SLAPI)
	AttributeDescription	*ad = NULL;
	const char		*text;
	int			rc;

	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return -1;
	}

	*attr = attr_find( e->e_attrs, ad );
	if ( *attr == NULL ) {
		return -1;
	}

	return 0;
#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_entry_attr_get_charptr( const Slapi_Entry *e, const char *type )
{
#ifdef LDAP_SLAPI
	AttributeDescription *ad = NULL;
	const char *text;
	int rc;
	Attribute *attr;

	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return NULL;
	}

	attr = attr_find( e->e_attrs, ad );
	if ( attr == NULL ) {
		return NULL;
	}

	if ( attr->a_vals != NULL && attr->a_vals[0].bv_val != NULL ) {
		return slapi_ch_strdup( attr->a_vals[0].bv_val );
	}

	return NULL;
#else
	return -1;
#endif
}

int
slapi_entry_attr_get_int( const Slapi_Entry *e, const char *type )
{
#ifdef LDAP_SLAPI
	AttributeDescription *ad = NULL;
	const char *text;
	int rc;
	Attribute *attr;

	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return 0;
	}

	attr = attr_find( e->e_attrs, ad );
	if ( attr == NULL ) {
		return 0;
	}

	return slapi_value_get_int( attr->a_vals );
#else
	return 0;
#endif
}

int
slapi_entry_attr_get_long( const Slapi_Entry *e, const char *type )
{
#ifdef LDAP_SLAPI
	AttributeDescription *ad = NULL;
	const char *text;
	int rc;
	Attribute *attr;

	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return 0;
	}

	attr = attr_find( e->e_attrs, ad );
	if ( attr == NULL ) {
		return 0;
	}

	return slapi_value_get_long( attr->a_vals );
#else
	return 0;
#endif
}

int
slapi_entry_attr_get_uint( const Slapi_Entry *e, const char *type )
{
#ifdef LDAP_SLAPI
	AttributeDescription *ad = NULL;
	const char *text;
	int rc;
	Attribute *attr;

	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return 0;
	}

	attr = attr_find( e->e_attrs, ad );
	if ( attr == NULL ) {
		return 0;
	}

	return slapi_value_get_uint( attr->a_vals );
#else
	return 0;
#endif
}

int
slapi_entry_attr_get_ulong( const Slapi_Entry *e, const char *type )
{
#ifdef LDAP_SLAPI
	AttributeDescription *ad = NULL;
	const char *text;
	int rc;
	Attribute *attr;

	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return 0;
	}

	attr = attr_find( e->e_attrs, ad );
	if ( attr == NULL ) {
		return 0;
	}

	return slapi_value_get_ulong( attr->a_vals );
#else
	return 0;
#endif
}

int
slapi_entry_attr_hasvalue( Slapi_Entry *e, const char *type, const char *value )
{
#ifdef LDAP_SLAPI
	struct berval bv;
	AttributeDescription *ad;
	const char *text;
	int rc;
	Attribute *attr;
	
	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return 0;
	}

	attr = attr_find( e->e_attrs, ad );
	if ( attr == NULL ) {
		return 0;
	}

	bv.bv_val = (char *)value;
	bv.bv_len = strlen( value );

	return slapi_attr_value_find( attr, &bv );
#else
	return 0;
#endif
}

int
slapi_entry_attr_merge_sv( Slapi_Entry *e, const char *type, Slapi_Value **vals )
{
#ifdef LDAP_SLAPI
	return slapi_entry_attr_merge( e, (char *)type, vals );
#else
	return -1;
#endif
}

int
slapi_entry_attr_replace_sv( Slapi_Entry *e, const char *type, Slapi_Value **vals )
{
#ifdef LDAP_SLAPI
	AttributeDescription *ad;
	const char *text;
	int rc;
	BerVarray bv;
	
	rc = slap_str2ad( type, &ad, &text );
	if ( rc != LDAP_SUCCESS ) {
		return 0;
	}

	attr_delete( &e->e_attrs, ad );

	rc = bvptr2obj( vals, &bv );
	if ( rc != LDAP_SUCCESS ) {
		return -1;
	}
	
	rc = attr_merge( e, ad, bv );
	slapi_ch_free( (void **)&bv );
	if ( rc != LDAP_SUCCESS ) {
		return -1;
	}
	
	return 0;
#else
	return -1;
#endif /* LDAP_SLAPI */
}

/* 
 * FIXME -- The caller must free the allocated memory. 
 * In Netscape they do not have to.
 */
int 
slapi_attr_get_values(
	Slapi_Attr	*attr, 
	struct berval	***vals ) 
{
#if defined(LDAP_SLAPI)
	int		i, j;
	struct berval	**bv;

	if ( attr == NULL ) {
		return 1;
	}

	for ( i = 0; attr->a_vals[i].bv_val != NULL; i++ ) {
		; /* EMPTY */
	}

	bv = (struct berval **)ch_malloc( (i + 1) * sizeof(struct berval *) );
	for ( j = 0; j < i; j++ ) {
		bv[j] = ber_dupbv( NULL, &attr->a_vals[j] );
	}
	bv[j] = NULL;
	
	*vals = (struct berval **)bv;

	return 0;
#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_dn_normalize( char *dn ) 
{
#if defined(LDAP_SLAPI)
	struct berval	bdn;
	struct berval	ndn;

	assert( dn != NULL );
	
	bdn.bv_val = dn;
	bdn.bv_len = strlen( dn );

	dnNormalize2( NULL, &bdn, &ndn );

	/*
	 * FIXME: ain't it safe to set dn = ndn.bv_val ?
	 */
	dn = ch_strdup( ndn.bv_val );
	ch_free( ndn.bv_val );
	
	return dn;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

/*
 * FIXME: this function is dangerous and should be deprecated;
 * DN normalization is a lot more than lower-casing, and BTW
 * OpenLDAP's DN normalization for case insensitive attributes
 * is already lower case
 */
char *
slapi_dn_normalize_case( char *dn ) 
{
#if defined(LDAP_SLAPI)
	slapi_dn_normalize( dn );
	ldap_pvt_str2lower( dn );

	return dn;
#else /* defined(LDAP_SLAPI) */
	return NULL;
#endif /* defined(LDAP_SLAPI) */
}

int 
slapi_dn_issuffix(
	char		*dn, 
	char		*suffix )
{
#if defined(LDAP_SLAPI)
	struct berval	bdn, ndn;
	struct berval	bsuffix, nsuffix;

	assert( dn != NULL );
	assert( suffix != NULL );

	bdn.bv_val = dn;
	bdn.bv_len = strlen( dn );

	bsuffix.bv_val = suffix;
	bsuffix.bv_len = strlen( suffix );

	dnNormalize2( NULL, &bdn, &ndn );
	dnNormalize2( NULL, &bsuffix, &nsuffix );

	return dnIsSuffix( &ndn, &nsuffix );
#else /* !defined(LDAP_SLAPI) */
	return 0;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_dn_ignore_case( char *dn )
{       
#if defined(LDAP_SLAPI)
	return slapi_dn_normalize_case( dn );
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_ch_malloc( unsigned long size ) 
{
#if defined(LDAP_SLAPI)
	return ch_malloc( size );	
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

void 
slapi_ch_free( void **ptr ) 
{
#if defined(LDAP_SLAPI)
	ch_free( *ptr );
	*ptr = NULL;
#endif /* defined(LDAP_SLAPI) */
}

void 
slapi_ch_free_string( char **ptr ) 
{
#if defined(LDAP_SLAPI)
	slapi_ch_free( (void **)ptr );
#endif /* defined(LDAP_SLAPI) */
}

void
slapi_ch_array_free( char **arrayp )
{
#ifdef LDAP_SLAPI
	char **p;

	if ( arrayp != NULL ) {
		for ( p = arrayp; *p != NULL; p++ ) {
			slapi_ch_free( (void **)p );
		}
		slapi_ch_free( (void **)&arrayp );
	}
#endif
}

struct berval *
slapi_ch_bvdup(const struct berval *v)
{
#ifdef LDAP_SLAPI
	struct berval *bv;

	bv = (struct berval *) slapi_ch_malloc( sizeof(struct berval) );
	bv->bv_len = v->bv_len;
	bv->bv_val = slapi_ch_malloc( bv->bv_len );
	AC_MEMCPY( bv->bv_val, v->bv_val, bv->bv_len );

	return bv;
#else
	return NULL;
#endif
}

struct berval **
slapi_ch_bvecdup(const struct berval **v)
{
#ifdef LDAP_SLAPI
	int i;
	struct berval **rv;

	if ( v == NULL ) {
		return NULL;
	}

	for ( i = 0; v[i] != NULL; i++ )
		;

	rv = (struct berval **) slapi_ch_malloc( (i + 1) * sizeof(struct berval *) );

	for ( i = 0; v[i] != NULL; i++ ) {
		rv[i] = slapi_ch_bvdup( v[i] );
	}
	rv[i] = NULL;

	return rv;
#else
	return NULL;
#endif
}

char *
slapi_ch_calloc(
	unsigned long nelem, 
	unsigned long size ) 
{
#if defined(LDAP_SLAPI)
	return ch_calloc( nelem, size );
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_ch_realloc(
	char *block, 
	unsigned long size ) 
{
#if defined(LDAP_SLAPI)
	return ch_realloc( block, size );
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

char *
slapi_ch_strdup( char *s ) 
{
#if defined(LDAP_SLAPI)
	return ch_strdup( (const char *)s );
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

size_t
slapi_ch_stlen( char *s ) 
{
#if defined(LDAP_SLAPI)
	return strlen( (const char *)s );
#else /* !defined(LDAP_SLAPI) */
	return 0;
#endif /* !defined(LDAP_SLAPI) */
}

int 
slapi_control_present(
	LDAPControl	**controls, 
	char		*oid, 
	struct berval	**val, 
	int		*iscritical ) 
{
#if defined(LDAP_SLAPI)
	int		i;
	int		rc = 0;

	if ( val ) {
		*val = NULL;
	}
	
	if ( iscritical ) {
		*iscritical = 0;
	}
	
	for ( i = 0; controls != NULL && controls[i] != NULL; i++ ) {
		if ( strcmp( controls[i]->ldctl_oid, oid ) != 0 ) {
			continue;
		}

		rc = 1;
		if ( controls[i]->ldctl_value.bv_len != 0 ) {
			/*
			 * FIXME: according to 6.1 specification,
			 *    "The val output parameter is set
			 *    to point into the controls array.
			 *    A copy of the control value is
			 *    not made."
			 */
#if 0
			struct berval	*pTmpBval;

			pTmpBval = (struct berval *)slapi_ch_malloc( sizeof(struct berval));
			if ( pTmpBval == NULL ) {
				rc = 0;
			} else {
				pTmpBval->bv_len = controls[i]->ldctl_value.bv_len;
				pTmpBval->bv_val = controls[i]->ldctl_value.bv_val;
				if ( val ) {
					*val = pTmpBval;
				} else {
					slapi_ch_free( (void **)&pTmpBval );
					rc = 0;
				}
			}
#endif /* 0 */
			if ( val ) {
				*val = &controls[i]->ldctl_value;
			}
		}

		if ( iscritical ) {
			*iscritical = controls[i]->ldctl_iscritical;
		}

		break;
	}

	return rc;
#else /* !defined(LDAP_SLAPI) */
	return 0;
#endif /* !defined(LDAP_SLAPI) */
}

void 
slapi_register_supported_control(
	char		*controloid, 
	unsigned long	controlops )
{
#if defined(LDAP_SLAPI)
	/* FIXME -- can not add controls to openLDAP dynamically */
	slapi_log_error( SLAPI_LOG_FATAL, "SLAPI_CONTROLS",
			"can not add controls to openLDAP dynamically\n" );
#endif /* defined(LDAP_SLAPI) */
}

int 
slapi_get_supported_controls(
	char		***ctrloidsp, 
	unsigned long	**ctrlopsp ) 
{
#if defined(LDAP_SLAPI)
	int		i, n;
	int		rc = 1;
	char		**oids = NULL;
	unsigned long	*masks = NULL;

	for (n = 0; get_supported_ctrl( n ) != NULL; n++) {
		; /* count them */
	}
	
	if ( n == 0 ) {
		/* no controls */
		*ctrloidsp = NULL;
		*ctrlopsp = NULL;
		return LDAP_SUCCESS;
	}


	oids = (char **)slapi_ch_malloc( (n + 1) * sizeof(char *) );
	if ( oids == NULL ) {
		rc = LDAP_NO_MEMORY;
		goto error_return;
	}

	masks = (unsigned long *)slapi_ch_malloc( n * sizeof(int) );
	if ( masks == NULL ) {
		rc = LDAP_NO_MEMORY;
		goto error_return;
	}

	for ( i = 0; i < n; i++ ) {
		/*
		 * FIXME: Netscape's specification says nothing about
		 * memory; should we copy the OIDs or return pointers
		 * to internal values? In OpenLDAP the latter is safe
		 * since we do not allow to register coltrols runtime
		 */
		oids[ i ] = ch_strdup( get_supported_ctrl( i ) );
		if ( oids[ i ] == NULL ) {
			rc = LDAP_NO_MEMORY;
			goto error_return;
		}
		masks[ i ] = (unsigned long)get_supported_ctrl_mask( i );
	}

	*ctrloidsp = oids;
	*ctrlopsp = masks;
	return LDAP_SUCCESS;

error_return:
	if ( rc != LDAP_SUCCESS ) {
		for ( i = 0; oids != NULL && oids[ i ] != NULL; i++ ) {
			ch_free( oids[ i ] );
		}
		ch_free( oids );
		ch_free( masks );
	}

	return rc;
#else /* !defined(LDAP_SLAPI) */
	return 1;
#endif /* !defined(LDAP_SLAPI) */
}

void 
slapi_register_supported_saslmechanism( char *mechanism )
{
#if defined(LDAP_SLAPI)
	/* FIXME -- can not add saslmechanism to openLDAP dynamically */
	slapi_log_error( SLAPI_LOG_FATAL, "SLAPI_SASL",
			"can not add saslmechanism to openLDAP dynamically\n" );
#endif /* defined(LDAP_SLAPI) */
}

char **
slapi_get_supported_saslmechanisms( void )
{
#if defined(LDAP_SLAPI)
	/* FIXME -- can not get the saslmechanism wihtout a connection. */
	slapi_log_error( SLAPI_LOG_FATAL, "SLAPI_SASL",
			"can not get the saslmechanism "
			"wihtout a connection\n" );
	return NULL;
#else /* defined(LDAP_SLAPI) */
	return NULL;
#endif /* defined(LDAP_SLAPI) */
}

char **
slapi_get_supported_extended_ops( void )
{
#if defined(LDAP_SLAPI)
	int		i, j, k;
	char		**ppExtOpOID = NULL;
	int		numExtOps = 0;

	for ( i = 0; get_supported_extop( i ) != NULL; i++ ) {
		;
	}
	
	for ( j = 0; ns_get_supported_extop( j ) != NULL; j++ ) {
		;
	}

	numExtOps = i + j;
	if ( numExtOps == 0 ) {
		return NULL;
	}

	ppExtOpOID = (char **)slapi_ch_malloc( (numExtOps + 1) * sizeof(char *) );
	for ( k = 0; k < i; k++ ) {
		struct berval	*bv;

		bv = get_supported_extop( k );
		assert( bv != NULL );

		ppExtOpOID[ k ] = bv->bv_val;
	}
	
	for ( ; k < j; k++ ) {
		struct berval	*bv;

		bv = ns_get_supported_extop( k );
		assert( bv != NULL );

		ppExtOpOID[ i + k ] = bv->bv_val;
	}
	ppExtOpOID[ i + k ] = NULL;

	return ppExtOpOID;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

void 
slapi_send_ldap_result(
	Slapi_PBlock	*pb, 
	int		err, 
	char		*matched, 
	char		*text, 
	int		nentries, 
	struct berval	**urls ) 
{
#if defined(LDAP_SLAPI)
	Connection	*conn;
	Operation	*op;
	struct berval	*s;
	char		*extOID = NULL;
	struct berval	*extValue = NULL;
	int		rc;

	slapi_pblock_get( pb, SLAPI_CONNECTION, &conn );
	slapi_pblock_get( pb, SLAPI_OPERATION, &op );
	if ( err == LDAP_SASL_BIND_IN_PROGRESS ) {
		slapi_pblock_get( pb, SLAPI_BIND_RET_SASLCREDS, &s );
		rc = LDAP_SASL_BIND_IN_PROGRESS;
		send_ldap_sasl( conn, op, rc, NULL, NULL, NULL, NULL, s );
		return;
	}

	slapi_pblock_get( pb, SLAPI_EXT_OP_RET_OID, &extOID );
	if ( extOID != NULL ) {
		slapi_pblock_get( pb, SLAPI_EXT_OP_RET_VALUE, &extValue );
		slapi_send_ldap_extended_response( conn, op, err, extOID,
				extValue );
		return;
	}

	send_ldap_result( conn, op, err, matched, text, NULL, NULL );
#endif /* defined(LDAP_SLAPI) */
}

int 
slapi_send_ldap_search_entry(
	Slapi_PBlock	*pb, 
	Slapi_Entry	*e, 
	LDAPControl	**ectrls, 
	char		**attrs, 
	int		attrsonly )
{
#if defined(LDAP_SLAPI)
	Backend		*be;
	Connection	*pConn;
	Operation	*pOp;
	int		rc;

	int		i;
	AttributeName	*an = NULL;
	const char	*text;

	for ( i = 0; attrs[ i ] != NULL; i++ ) {
		; /* empty */
	}

	if ( i > 0 ) {
		an = (AttributeName *) ch_malloc( i * sizeof(AttributeName) );
		for ( i = 0; attrs[i] != NULL; i++ ) {
			an[i].an_name.bv_val = ch_strdup( attrs[i] );
			an[i].an_name.bv_len = strlen( attrs[i] );
			an[i].an_desc = NULL;
			if( slap_bv2ad( &an[i].an_name, &an[i].an_desc, &text ) != LDAP_SUCCESS)
				return -1;
		}
	}

	if ( ( rc = slapi_pblock_get( pb, SLAPI_BACKEND, (void *)&be ) != 0 ) ||
			( rc = slapi_pblock_get( pb, SLAPI_CONNECTION, (void *)&pConn) != 0 ) ||
			( rc = slapi_pblock_get( pb, SLAPI_OPERATION, (void *)&pOp) != 0 ) ) {
		rc = LDAP_OTHER;
	} else {
		rc = send_search_entry( be, pConn, pOp, e, an, attrsonly, NULL );
	}

	return rc;

#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}


Slapi_Filter *
slapi_str2filter( char *str ) 
{
#if defined(LDAP_SLAPI)
	return str2filter( str );
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

void 
slapi_filter_free(
	Slapi_Filter	*f, 
	int		recurse ) 
{
#if defined(LDAP_SLAPI)
	filter_free( f );
#endif /* defined(LDAP_SLAPI) */
}

int 
slapi_filter_get_choice( Slapi_Filter *f )
{
#if defined(LDAP_SLAPI)
	int		rc;

	if ( f != NULL ) {
		rc = f->f_choice;
	} else {
		rc = 0;
	}

	return rc;
#else /* !defined(LDAP_SLAPI) */
	return -1;		/* invalid filter type */
#endif /* !defined(LDAP_SLAPI) */
}

int 
slapi_filter_get_ava(
	Slapi_Filter	*f, 
	char		**type, 
	struct berval	**bval )
{
#if defined(LDAP_SLAPI)
	int		ftype;
	int		rc = LDAP_SUCCESS;

	assert( type != NULL );
	assert( bval != NULL );

	*type = NULL;
	*bval = NULL;

	ftype = f->f_choice;
	if ( ftype == LDAP_FILTER_EQUALITY 
			|| ftype ==  LDAP_FILTER_GE 
			|| ftype == LDAP_FILTER_LE 
			|| ftype == LDAP_FILTER_APPROX ) {
		/*
		 * According to the SLAPI Reference Manual these are
		 * not duplicated.
		 */
		*type = f->f_un.f_un_ava->aa_desc->ad_cname.bv_val;
		*bval = &f->f_un.f_un_ava->aa_value;
	} else { /* filter type not supported */
		rc = -1;
	}

	return rc;
#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}

Slapi_Filter *
slapi_filter_list_first( Slapi_Filter *f )
{
#if defined(LDAP_SLAPI)
	int		ftype;

	if ( f == NULL ) {
		return NULL;
	}

	ftype = f->f_choice;
	if ( ftype == LDAP_FILTER_AND
			|| ftype == LDAP_FILTER_OR
			|| ftype == LDAP_FILTER_NOT ) {
		return (Slapi_Filter *)f->f_and;
	} else {
		return NULL;
	}
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

Slapi_Filter *
slapi_filter_list_next(
	Slapi_Filter	*f, 
	Slapi_Filter	*fprev )
{
#if defined(LDAP_SLAPI)
	int		ftype;

	if ( f == NULL ) {
		return NULL;
	}

	ftype = f->f_choice;
	if ( ftype == LDAP_FILTER_AND
			|| ftype == LDAP_FILTER_OR
			|| ftype == LDAP_FILTER_NOT ) {
		if ( f->f_and == fprev ) {
			return f->f_and->f_next;
		}
	}

	return NULL;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

int 
slapi_send_ldap_extended_response(
	Connection	*conn, 
	Operation	*op,
	int		errornum, 
	char		*respName,
	struct berval	*response )
{
#if defined(LDAP_SLAPI)
	send_ldap_extended( conn,op, errornum, NULL, NULL, NULL,
			respName,response, NULL );
	return LDAP_SUCCESS;
#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}

int 
slapi_pw_find(
	struct berval	**vals, 
	struct berval	*v ) 
{
#if defined(LDAP_SLAPI)
	/*
	 * FIXME: what's the point?
	 */
	return 1;
#else /* !defined(LDAP_SLAPI) */
	return 1;
#endif /* !defined(LDAP_SLAPI) */
}
             
char *
slapi_get_hostname( void ) 
{
#if defined(LDAP_SLAPI)
	char		*hn = NULL;

	/*
	 * FIXME: I'd prefer a different check ...
	 */
#if defined _SPARC 
	hn = (char *)slapi_ch_malloc( MAX_HOSTNAME );
	if ( hn == NULL) {
		slapi_log_error( SLAPI_LOG_FATAL, "SLAPI_SYSINFO",
				"can't malloc memory for hostname\n" );
		hn = NULL;
		
	} else if ( sysinfo( SI_HOSTNAME, hn, MAX_HOSTNAME ) < 0 ) {
		slapi_log_error( SLAPI_LOG_FATAL, "SLAPI_SYSINFO",
				"can't get hostname\n" );
		slapi_ch_free( (void **)&hn );
		hn = NULL;
	}
#else /* !_SPARC */
	static int	been_here = 0;   
	static char	*static_hn = NULL;

	ldap_pvt_thread_mutex_lock( &slapi_hn_mutex );
	if ( !been_here ) {
		static_hn = (char *)slapi_ch_malloc( MAX_HOSTNAME );
		if ( static_hn == NULL) {
			slapi_log_error( SLAPI_LOG_FATAL, "SLAPI_SYSINFO",
					"can't malloc memory for hostname\n" );
			static_hn = NULL;
			ldap_pvt_thread_mutex_unlock( &slapi_hn_mutex );

			return hn;
			
		} else { 
			if ( gethostname( static_hn, MAX_HOSTNAME ) != 0 ) {
				slapi_log_error( SLAPI_LOG_FATAL,
						"SLAPI_SYSINFO",
						"can't get hostname\n" );
				slapi_ch_free( (void **)&static_hn );
				static_hn = NULL;
				ldap_pvt_thread_mutex_unlock( &slapi_hn_mutex );

				return hn;

			} else {
				been_here = 1;
			}
		}
	}
	ldap_pvt_thread_mutex_unlock( &slapi_hn_mutex );
	
	hn = ch_strdup( static_hn );
#endif /* !_SPARC */

	return hn;
#else /* !defined(LDAP_SLAPI) */
	return NULL;
#endif /* !defined(LDAP_SLAPI) */
}

/*
 * FIXME: this should go in an appropriate header ...
 */
extern int vLogError( int level, char *subsystem, char *fmt, va_list arglist );

int 
slapi_log_error(
	int		severity, 
	char		*subsystem, 
	char		*fmt, 
	... ) 
{
#if defined(LDAP_SLAPI)
	int		rc = LDAP_SUCCESS;
	va_list		arglist;

	va_start( arglist, fmt );
	rc = vLogError( severity, subsystem, fmt, arglist );
	va_end( arglist );

	return rc;
#else /* !defined(LDAP_SLAPI) */
	return -1;
#endif /* !defined(LDAP_SLAPI) */
}


unsigned long
slapi_timer_current_time( void ) 
{
#if defined(LDAP_SLAPI)
	static int	first_time = 1;
#if !defined (_WIN32)
	struct timeval	now;
	unsigned long	ret;

	ldap_pvt_thread_mutex_lock( &slapi_time_mutex );
	if (first_time) {
		first_time = 0;
		gettimeofday( &base_time, NULL );
	}
	gettimeofday( &now, NULL );
	ret = ( now.tv_sec  - base_time.tv_sec ) * 1000000 + 
			(now.tv_usec - base_time.tv_usec);
	ldap_pvt_thread_mutex_unlock( &slapi_time_mutex );

	return ret;

	/*
	 * Ain't it better?
	return (slap_get_time() - starttime) * 1000000;
	 */
#else /* _WIN32 */
	LARGE_INTEGER now;

	if ( first_time ) {
		first_time = 0;
		performance_counter_present = QueryPerformanceCounter( &base_time );
		QueryPerformanceFrequency( &performance_freq );
	}

	if ( !performance_counter_present )
	     return 0;

	QueryPerformanceCounter( &now );
	return (1000000*(now.QuadPart-base_time.QuadPart))/performance_freq.QuadPart;
#endif /* _WIN32 */
#else /* !defined(LDAP_SLAPI) */
	return 0;
#endif /* !defined(LDAP_SLAPI) */
}

/*
 * FIXME ?
 */
unsigned long
slapi_timer_get_time( char *label ) 
{
#if defined(LDAP_SLAPI)
	unsigned long start = slapi_timer_current_time();
	printf("%10ld %10ld usec %s\n", start, 0, label);
	return start;
#else /* !defined(LDAP_SLAPI) */
	return 0;
#endif /* !defined(LDAP_SLAPI) */
}

/*
 * FIXME ?
 */
void
slapi_timer_elapsed_time(
	char *label,
	unsigned long start ) 
{
#if defined(LDAP_SLAPI)
	unsigned long stop = slapi_timer_current_time();
	printf ("%10ld %10ld usec %s\n", stop, stop - start, label);
#endif /* defined(LDAP_SLAPI) */
}

void
slapi_free_search_results_internal( Slapi_PBlock *pb ) 
{
#if defined(LDAP_SLAPI)
	Slapi_Entry	**entries;
	int		k = 0, nEnt = 0;

	slapi_pblock_get( pb, SLAPI_NENTRIES, &nEnt );
	slapi_pblock_get( pb, SLAPI_PLUGIN_INTOP_SEARCH_ENTRIES, &entries );
	if ( nEnt == 0 ) {
		return;
	}
	
	if ( entries == NULL ) {
		return;
	}
	
	for ( k = 0; k < nEnt; k++ ) {
		slapi_entry_free( entries[k] );
	}
	
	slapi_ch_free( (void **)&entries );
#endif /* defined(LDAP_SLAPI) */
}

/*
 * Internal API to prime a Slapi_PBlock with a Backend.
 */
int slapi_x_backend_set_pb( Slapi_PBlock *pb, Backend *be )
{
#if defined(LDAP_SLAPI)
	int rc;
	
	rc = slapi_pblock_set( pb, SLAPI_BACKEND, (void *)be );
	if ( rc != LDAP_SUCCESS )
		return rc;
	
	if ( be != NULL ) {
		rc = slapi_pblock_set( pb, SLAPI_BE_TYPE, (void *)be->bd_info->bi_type );
		if ( rc != LDAP_SUCCESS )
			return rc;
	}

	return LDAP_SUCCESS;
#else
	return -1;
#endif /* defined(LDAP_SLAPI) */
}

#if defined(LDAP_SLAPI)
/*
 * If oldStyle is TRUE, then a value suitable for setting to
 * the deprecated SLAPI_CONN_AUTHTYPE value is returned 
 * (pointer to static storage).
 *
 * If oldStyle is FALSE, then a value suitable for setting to
 * the new SLAPI_CONN_AUTHMETHOD will be returned, which is
 * a pointer to allocated memory and will include the SASL
 * mechanism (if any).
 */
static char *Authorization2AuthType( AuthorizationInformation *authz, int is_tls, int oldStyle )
{
	size_t len;
	char *authType;

	switch ( authz->sai_method ) {
	case LDAP_AUTH_SASL:
		if ( oldStyle ) {
			authType = SLAPD_AUTH_SASL;
		} else {
			len = sizeof(SLAPD_AUTH_SASL) + authz->sai_mech.bv_len;
			authType = slapi_ch_malloc( len );
			snprintf( authType, len, "%s%s", SLAPD_AUTH_SASL, authz->sai_mech.bv_val );
		}
		break;
	case LDAP_AUTH_SIMPLE:
		authType = oldStyle ? SLAPD_AUTH_SIMPLE : slapi_ch_strdup( SLAPD_AUTH_SIMPLE );
		break;
	case LDAP_AUTH_NONE:
		authType = oldStyle ? SLAPD_AUTH_NONE : slapi_ch_strdup( SLAPD_AUTH_NONE );
		break;
	default:
		authType = NULL;
		break;
	}
	if ( is_tls && authType == NULL ) {
		authType = oldStyle ? SLAPD_AUTH_SSL : slapi_ch_strdup( SLAPD_AUTH_SSL );
	}

	return authType;
}
#endif

/*
 * Internal API to prime a Slapi_PBlock with a Connection.
 */
int slapi_x_connection_set_pb( Slapi_PBlock *pb, Connection *conn )
{
#if defined(LDAP_SLAPI)
	char *connAuthType;
	int rc;

	rc = slapi_pblock_set( pb, SLAPI_CONNECTION, (void *)conn );
	if ( rc != LDAP_SUCCESS )
		return rc;

	if ( strncmp( conn->c_peer_name.bv_val, "IP=", 3 ) == 0 ) {
		rc = slapi_pblock_set( pb, SLAPI_CONN_CLIENTIP, (void *)&conn->c_peer_name.bv_val[3] );
		if ( rc != LDAP_SUCCESS )
			return rc;
	} else if ( strncmp( conn->c_peer_name.bv_val, "PATH=", 5 ) == 0 ) {
		rc = slapi_pblock_set( pb, SLAPI_X_CONN_CLIENTPATH, (void *)&conn->c_peer_name.bv_val[5] );
		if ( rc != LDAP_SUCCESS )
			return rc;
	}

	if ( strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0 ) {
		rc = slapi_pblock_set( pb, SLAPI_CONN_SERVERIP, (void *)&conn->c_sock_name.bv_val[3] );
		if ( rc != LDAP_SUCCESS )
			return rc;
	} else if ( strncmp( conn->c_sock_name.bv_val, "PATH=", 5 ) == 0 ) {
		rc = slapi_pblock_set( pb, SLAPI_X_CONN_SERVERPATH, (void *)&conn->c_sock_name.bv_val[5] );
		if ( rc != LDAP_SUCCESS )
			return rc;
	}

#ifdef LDAP_CONNECTIONLESS
	rc = slapi_pblock_set( pb, SLAPI_X_CONN_IS_UDP, (void *)conn->c_is_udp );
	if ( rc != LDAP_SUCCESS )
		return rc;
#endif

	rc = slapi_pblock_set( pb, SLAPI_CONN_ID, (void *)conn->c_connid );
	if ( rc != LDAP_SUCCESS )
		return rc;

	/* Returns pointer to static string */
	connAuthType = Authorization2AuthType( &conn->c_authz, conn->c_is_tls, 1 );
	if ( connAuthType != NULL ) {
		rc = slapi_pblock_set(pb, SLAPI_CONN_AUTHTYPE, (void *)connAuthType);
		if ( rc != LDAP_SUCCESS )
			return rc;
	}

	/* Returns pointer to allocated string */
	connAuthType = Authorization2AuthType( &conn->c_authz, conn->c_is_tls, 0 );
	if ( connAuthType != NULL ) {
		rc = slapi_pblock_set(pb, SLAPI_CONN_AUTHMETHOD, (void *)connAuthType);
		if ( rc != LDAP_SUCCESS )
			return rc;
	}

	if ( conn->c_authz.sai_dn.bv_val != NULL ) {
		char *connDn = slapi_ch_strdup(conn->c_authz.sai_dn.bv_val);
		rc = slapi_pblock_set(pb, SLAPI_CONN_DN, (void *)connDn);
		if ( rc != LDAP_SUCCESS )
			return rc;
	}

	return rc;
#else
	return -1;
#endif /* defined(LDAP_SLAPI) */
}

/*
 * Internal API to prime a Slapi_PBlock with an Operation.
 */
int slapi_x_operation_set_pb( Slapi_PBlock *pb, Operation *op )
{
#if defined(LDAP_SLAPI)
	int isRoot = 0;
	int isUpdateDn = 0;
	int rc;
	Backend *be;
	char *opAuthType;

	if ( slapi_pblock_get(pb, SLAPI_BACKEND, (void *)&be ) != 0 ) {
		be = NULL;
	}
	if (be != NULL) {
		isRoot = be_isroot( be, &op->o_ndn );
		isUpdateDn = be_isupdate( be, &op->o_ndn );
	}
		
	rc = slapi_pblock_set( pb, SLAPI_OPERATION, (void *)op );
	if ( rc != LDAP_SUCCESS )
		return rc;

	rc = slapi_pblock_set( pb, SLAPI_OPINITIATED_TIME, (void *)op->o_time );
	if ( rc != LDAP_SUCCESS )
		return rc;

	rc = slapi_pblock_set( pb, SLAPI_OPERATION_ID, (void *)op->o_opid );
	if ( rc != LDAP_SUCCESS )
		return rc;

	rc = slapi_pblock_set( pb, SLAPI_OPERATION_TYPE, (void *)op->o_tag );
	if ( rc != LDAP_SUCCESS )
		return rc;

	rc = slapi_pblock_set( pb, SLAPI_REQUESTOR_ISROOT, (void *)isRoot );
	if ( rc != LDAP_SUCCESS )
		return rc;

	rc = slapi_pblock_set( pb, SLAPI_REQUESTOR_ISUPDATEDN, (void *)isUpdateDn );
	if ( rc != LDAP_SUCCESS )
		return rc;

	rc = slapi_pblock_set( pb, SLAPI_REQCONTROLS, (void *)op->o_ctrls );
	if ( rc != LDAP_SUCCESS)
		return rc;

	rc = slapi_pblock_set( pb, SLAPI_REQUESTOR_DN, (void *)op->o_ndn.bv_val );
	if ( rc != LDAP_SUCCESS )
		return rc;

	rc = slapi_pblock_get( pb, SLAPI_CONN_AUTHMETHOD, (void *)&opAuthType );
	if ( rc == LDAP_SUCCESS && opAuthType != NULL ) {
		/* Not quite sure what the point of this is. */
		rc = slapi_pblock_set( pb, SLAPI_OPERATION_AUTHTYPE, (void *)opAuthType );
		if ( rc != LDAP_SUCCESS )
			return rc;
	}

	return LDAP_SUCCESS;
#else
	return -1;
#endif
}

int slapi_is_connection_ssl( Slapi_PBlock *pb, int *isSSL )
{
#if defined( LDAP_SLAPI )
	Connection *conn;

	slapi_pblock_get( pb, SLAPI_CONNECTION, &conn );
	*isSSL = conn->c_is_tls;

	return LDAP_SUCCESS;
#else
	return -1;
#endif /* defined(LDAP_SLAPI) */
}

/*
 * DS 5.x compatability API follow
 */

int slapi_attr_get_flags( const Slapi_Attr *attr, unsigned long *flags )
{
#if defined( LDAP_SLAPI )
	AttributeType *at;

	if ( attr == NULL )
		return LDAP_PARAM_ERROR;

	at = attr->a_desc->ad_type;

	*flags = SLAPI_ATTR_FLAG_STD_ATTR;

	if ( is_at_single_value( at ) )
		*flags |= SLAPI_ATTR_FLAG_SINGLE;
	if ( is_at_operational( at ) )
		*flags |= SLAPI_ATTR_FLAG_OPATTR;
	if ( is_at_obsolete( at ) )
		*flags |= SLAPI_ATTR_FLAG_OBSOLETE;
	if ( is_at_collective( at ) )
		*flags |= SLAPI_ATTR_FLAG_COLLECTIVE;
	if ( is_at_no_user_mod( at ) )
		*flags |= SLAPI_ATTR_FLAG_NOUSERMOD;

	return LDAP_SUCCESS;
#else
	return -1;
#endif /* defined(LDAP_SLAPI) */
}

int slapi_attr_flag_is_set( const Slapi_Attr *attr, unsigned long flag )
{
#if defined( LDAP_SLAPI )
	unsigned long flags;

	if ( slapi_attr_get_flags( attr, &flags ) != 0 )
		return 0;
	return (flags & flag) ? 1 : 0;
#else
	return 0;
#endif /* defined(LDAP_SLAPI) */
}

Slapi_Attr *slapi_attr_new( void )
{
#ifdef LDAP_SLAPI
	Attribute *ad;

	ad = (Attribute  *)slapi_ch_calloc( 1, sizeof(*ad) );

	return ad;
#else
	return NULL;
#endif
}

Slapi_Attr *slapi_attr_init( Slapi_Attr *a, const char *type )
{
#ifdef LDAP_SLAPI
	const char *text;
	AttributeDescription *ad = NULL;

	if( slap_str2ad( type, &ad, &text ) != LDAP_SUCCESS ) {
		return NULL;
	}

	a->a_desc = ad;
	a->a_vals = NULL;
	a->a_next = NULL;
	a->a_flags = 0;

	return a;
#else
	return NULL;
#endif
}

void slapi_attr_free( Slapi_Attr **a )
{
#ifdef LDAP_SLAPI
	attr_free( *a );
	*a = NULL;
#endif
}

Slapi_Attr *slapi_attr_dup( const Slapi_Attr *attr )
{
#ifdef LDAP_SLAPI
	return attr_dup( (Slapi_Attr *)attr );
#else
	return NULL;
#endif
}

int slapi_attr_add_value( Slapi_Attr *a, const Slapi_Value *v )
{
#ifdef LDAP_SLAPI
	return value_add_one( &a->a_vals, (Slapi_Value *)v );
#else
	return -1;
#endif
}

int slapi_attr_type2plugin( const char *type, void **pi )
{
	*pi = NULL;

	return LDAP_OTHER;
}

int slapi_attr_get_type( const Slapi_Attr *attr, char **type )
{
#ifdef LDAP_SLAPI
	if ( attr == NULL ) {
		return LDAP_PARAM_ERROR;
	}

	*type = attr->a_desc->ad_cname.bv_val;

	return LDAP_SUCCESS;
#else
	return -1;
#endif
}

int slapi_attr_get_oid_copy( const Slapi_Attr *attr, char **oidp )
{
#ifdef LDAP_SLAPI
	if ( attr == NULL ) {
		return LDAP_PARAM_ERROR;
	}
	*oidp = attr->a_desc->ad_type->sat_oid;

	return LDAP_SUCCESS;
#else
	return -1;
#endif
}

int slapi_attr_value_cmp( const Slapi_Attr *a, const struct berval *v1, const struct berval *v2 )
{
#ifdef LDAP_SLAPI
	MatchingRule *mr;
	int ret;
	int rc;
	const char *text;

	mr = a->a_desc->ad_type->sat_equality;
	rc = value_match( &ret, a->a_desc, mr, SLAP_MR_ASSERTION_SYNTAX_MATCH,
		(struct berval *)v1, (void *)v2, &text );
	if ( rc != LDAP_SUCCESS ) 
		return -1;

	return ( ret == 0 ) ? 0 : -1;
#else
	return -1;
#endif
}

int slapi_attr_value_find( const Slapi_Attr *a, struct berval *v )
{
#ifdef LDAP_SLAPI
	MatchingRule *mr;
	struct berval *bv;
	int j;
	const char *text;
	int rc;
	int ret;

	mr = a->a_desc->ad_type->sat_equality;
	for ( bv = a->a_vals, j = 0; bv->bv_val != NULL; bv++, j++ ) {
		rc = value_match( &ret, a->a_desc, mr,
			SLAP_MR_ASSERTION_SYNTAX_MATCH, bv, v, &text );
		if ( rc != LDAP_SUCCESS ) {
			return -1;
		}
		if ( ret == 0 ) {
			return 0;
		}
	}
#endif
	return -1;
}

int slapi_attr_type_cmp( const char *t1, const char *t2, int opt )
{
#ifdef LDAP_SLAPI
	AttributeDescription *a1 = NULL;
	AttributeDescription *a2 = NULL;
	const char *text;
	int ret;

	if ( slap_str2ad( t1, &a1, &text ) != LDAP_SUCCESS ) {
		return -1;
	}

	if ( slap_str2ad( t2, &a2, &text ) != LDAP_SUCCESS ) {
		return 1;
	}

#define ad_base_cmp(l,r) (((l)->ad_type->sat_cname.bv_len < (r)->ad_type->sat_cname.bv_len) \
	? -1 : (((l)->ad_type->sat_cname.bv_len > (r)->ad_type->sat_cname.bv_len) \
		? 1 : strcasecmp((l)->ad_type->sat_cname.bv_val, (r)->ad_type->sat_cname.bv_val )))

	switch ( opt ) {
	case SLAPI_TYPE_CMP_EXACT:
		ret = ad_cmp( a1, a2 );
		break;
	case SLAPI_TYPE_CMP_BASE:
		ret = ad_base_cmp( a1, a2 );
		break;
	case SLAPI_TYPE_CMP_SUBTYPE:
		ret = is_ad_subtype( a2, a2 );
		break;
	default:
		ret = -1;
		break;
	}

	return ret;
#else
	return -1;
#endif
}

int slapi_attr_types_equivalent( const char *t1, const char *t2 )
{
#ifdef LDAP_SLAPI
	return slapi_attr_type_cmp( t1, t2, SLAPI_TYPE_CMP_EXACT );
#else
	return -1;
#endif
}

int slapi_attr_first_value( Slapi_Attr *a, Slapi_Value **v )
{
#ifdef LDAP_SLAPI
	return slapi_valueset_first_value( &a->a_vals, v );
#else
	return -1;
#endif
}

int slapi_attr_next_value( Slapi_Attr *a, int hint, Slapi_Value **v )
{
#ifdef LDAP_SLAPI
	return slapi_valueset_next_value( &a->a_vals, hint, v );
#else
	return -1;
#endif
}

int slapi_attr_get_numvalues( const Slapi_Attr *a, int *numValues )
{
#ifdef LDAP_SLAPI
	*numValues = slapi_valueset_count( &a->a_vals );

	return 0;
#else
	return -1;
#endif
}

int slapi_attr_get_valueset( const Slapi_Attr *a, Slapi_ValueSet **vs )
{
#ifdef LDAP_SLAPI
	*vs = &((Slapi_Attr *)a)->a_vals;

	return 0;
#else
	return -1;
#endif
}

int slapi_attr_get_bervals_copy( Slapi_Attr *a, struct berval ***vals )
{
#ifdef LDAP_SLAPI
	return slapi_attr_get_values( a, vals );
#else
	return -1;
#endif
}

char *slapi_attr_syntax_normalize( const char *s )
{
#ifdef LDAP_SLAPI
	AttributeDescription *ad = NULL;
	const char *text;

	if ( slap_str2ad( s, &ad, &text ) != LDAP_SUCCESS ) {
		return NULL;
	}

	return ad->ad_cname.bv_val;
#else
	return -1;
#endif
}

Slapi_Value *slapi_value_new( void )
{
#ifdef LDAP_SLAPI
	struct berval *bv;

	bv = (struct berval *)slapi_ch_malloc( sizeof(*bv) );

	return bv;
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_new_berval(const struct berval *bval)
{
#ifdef LDAP_SLAPI
	return ber_dupbv( NULL, (struct berval *)bval );
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_new_value(const Slapi_Value *v)
{
#ifdef LDAP_SLAPI
	return slapi_value_new_berval( v );
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_new_string(const char *s)
{
#ifdef LDAP_SLAPI
	struct berval bv;

	bv.bv_val = (char *)s;
	bv.bv_len = strlen( s );

	return slapi_value_new_berval( &bv );
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_init(Slapi_Value *val)
{
#ifdef LDAP_SLAPI
	val->bv_val = NULL;
	val->bv_len = 0;

	return val;
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_init_berval(Slapi_Value *v, struct berval *bval)
{
#ifdef LDAP_SLAPI
	return ber_dupbv( v, bval );
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_init_string(Slapi_Value *v, const char *s)
{
#ifdef LDAP_SLAPI
	v->bv_val = slapi_ch_strdup( (char *)s );
	v->bv_len = strlen( s );

	return v;
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_dup(const Slapi_Value *v)
{
#ifdef LDAP_SLAPI
	return slapi_value_new_value( v );
#else
	return NULL;
#endif
}

void slapi_value_free(Slapi_Value **value)
{
#ifdef LDAP_SLAPI	
	if ( value == NULL ) {
		return;
	}

	if ( (*value) != NULL ) {
		slapi_ch_free( (void **)&(*value)->bv_val );
		slapi_ch_free( (void **)value );
	}
#endif
}

const struct berval *slapi_value_get_berval( const Slapi_Value *value )
{
#ifdef LDAP_SLAPI
	return value;
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_set_berval( Slapi_Value *value, const struct berval *bval )
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) {
		return NULL;
	}
	if ( value->bv_val != NULL ) {
		slapi_ch_free( (void **)&value->bv_val );
	}
	slapi_value_init_berval( value, (struct berval *)bval );

	return value;
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_set_value( Slapi_Value *value, const Slapi_Value *vfrom)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) {
		return NULL;
	}
	return slapi_value_set_berval( value, vfrom );
#else
	return NULL;
#endif
}

Slapi_Value *slapi_value_set( Slapi_Value *value, void *val, unsigned long len)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) {
		return NULL;
	}
	if ( value->bv_val != NULL ) {
		slapi_ch_free( (void **)&value->bv_val );
	}
	value->bv_val = slapi_ch_malloc( len );
	value->bv_len = len;
	AC_MEMCPY( value->bv_val, val, len );

	return value;
#else
	return NULL;
#endif
}

int slapi_value_set_string(Slapi_Value *value, const char *strVal)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) {
		return -1;
	}
	slapi_value_set( value, (void *)strVal, strlen( strVal ) );
	return 0;
#else
	return NULL;
#endif
}

int slapi_value_set_int(Slapi_Value *value, int intVal)
{
#ifdef LDAP_SLAPI
	char buf[64];

	snprintf( buf, sizeof( buf ), "%d", intVal );

	return slapi_value_set_string( value, buf );
#else
	return -1;
#endif
}

const char *slapi_value_get_string(const Slapi_Value *value)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) {
		return NULL;
	}
	return value->bv_val;
#else
	return NULL;
#endif
}

#ifdef LDAP_SLAPI
static int checkBVString(const struct berval *bv)
{
	int i;

	for ( i = 0; i < bv->bv_len; i++ ) {
		if ( bv->bv_val[i] == '\0' )
			return 0;
	}
	if ( bv->bv_val[i] != '\0' )
		return 0;

	return 1;
}
#endif

int slapi_value_get_int(const Slapi_Value *value)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) return 0;
	if ( value->bv_val == NULL ) return 0;
	if ( !checkBVString( value ) ) return 0;

	return (int)strtol( value->bv_val, NULL, 10 );
#else
	return NULL;
#endif
}

unsigned int slapi_value_get_uint(const Slapi_Value *value)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) return 0;
	if ( value->bv_val == NULL ) return 0;
	if ( !checkBVString( value ) ) return 0;

	return (unsigned int)strtoul( value->bv_val, NULL, 10 );
#else
	return NULL;
#endif
}

long slapi_value_get_long(const Slapi_Value *value)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) return 0;
	if ( value->bv_val == NULL ) return 0;
	if ( !checkBVString( value ) ) return 0;

	return strtol( value->bv_val, NULL, 10 );
#else
	return NULL;
#endif
}

unsigned long slapi_value_get_ulong(const Slapi_Value *value)
{
#ifdef LDAP_SLAPI
	if ( value == NULL ) return 0;
	if ( value->bv_val == NULL ) return 0;
	if ( !checkBVString( value ) ) return 0;

	return strtoul( value->bv_val, NULL, 10 );
#else
	return NULL;
#endif
}

size_t slapi_value_get_length(const Slapi_Value *value)
{
#ifdef LDAP_SLAPI
	if ( value == NULL )
		return 0;

	return (size_t) value->bv_len;
#else
	return 0;
#endif
}

int slapi_value_compare(const Slapi_Attr *a, const Slapi_Value *v1, const Slapi_Value *v2)
{
#ifdef LDAP_SLAPI
	return slapi_attr_value_cmp( a, v1, v2 );
#else
	return -1;
#endif
}

/* A ValueSet is a container for a BerVarray. */
Slapi_ValueSet *slapi_valueset_new( void )
{
#ifdef LDAP_SLAPI
	Slapi_ValueSet *vs;

	vs = (Slapi_ValueSet *)slapi_ch_malloc( sizeof( *vs ) );
	*vs = NULL;

	return vs;
#else
	return NULL;
#endif
}

void slapi_valueset_free(Slapi_ValueSet *vs)
{
#ifdef LDAP_SLAPI
	if ( vs != NULL ) {
		BerVarray vp = *vs;

		ber_bvarray_free( vp );
		slapi_ch_free( (void **)&vp );

		*vs = NULL;
	}
#endif
}

void slapi_valueset_init(Slapi_ValueSet *vs)
{
#ifdef LDAP_SLAPI
	if ( vs != NULL && *vs == NULL ) {
		*vs = (Slapi_ValueSet)slapi_ch_calloc( 1, sizeof(struct berval) );
		(*vs)->bv_val = NULL;
		(*vs)->bv_len = 0;
	}
#endif
}

void slapi_valueset_done(Slapi_ValueSet *vs)
{
#ifdef LDAP_SLAPI
	BerVarray vp;

	if ( vs == NULL )
		return;

	for ( vp = *vs; vp->bv_val != NULL; vp++ ) {
		vp->bv_len = 0;
		slapi_ch_free( (void **)&vp->bv_val );
	}
	/* but don't free *vs or vs */
#endif
}

void slapi_valueset_add_value(Slapi_ValueSet *vs, const Slapi_Value *addval)
{
#ifdef LDAP_SLAPI
	struct berval bv;

	ber_dupbv( &bv, (Slapi_Value *)addval );
	ber_bvarray_add( vs, &bv );
#endif
}

int slapi_valueset_first_value( Slapi_ValueSet *vs, Slapi_Value **v )
{
#ifdef LDAP_SLAPI
	return slapi_valueset_next_value( vs, 0, v );
#else
	return -1;
#endif
}

int slapi_valueset_next_value( Slapi_ValueSet *vs, int index, Slapi_Value **v)
{
#ifdef LDAP_SLAPI
	int i;
	BerVarray vp;

	if ( vs == NULL )
		return -1;

	vp = *vs;

	for ( i = 0; vp[i].bv_val != NULL; i++ ) {
		if ( i == index ) {
			*v = &vp[i];
			return index + 1;
		}
	}
#endif

	return -1;
}

int slapi_valueset_count( const Slapi_ValueSet *vs )
{
#ifdef LDAP_SLAPI
	int i;
	BerVarray vp;

	if ( vs == NULL )
		return 0;

	vp = *vs;

	for ( i = 0; vp[i].bv_val != NULL; i++ )
		;

	return i;
#else
	return 0;
#endif

}

void slapi_valueset_set_valueset(Slapi_ValueSet *vs1, const Slapi_ValueSet *vs2)
{
#ifdef LDAP_SLAPI
	BerVarray vp;

	for ( vp = *vs2; vp->bv_val != NULL; vp++ ) {
		slapi_valueset_add_value( vs1, vp );
	}
#endif
}

int slapi_access_allowed( Slapi_PBlock *pb, Slapi_Entry *e, char *attr,
	struct berval *val, int access )
{
#ifdef LDAPI_SLAPI
	Backend *be;
	Connection *conn;
	Operation *op;
	int ret;
	slap_access_t slap_access;
	AttributeDescription *ad = NULL;
	char *text;

	ret = slap_str2ad( attr, &ad, &text );
	if ( ret != LDAP_SUCCESS ) {
		return ret;
	}

	switch ( access & SLAPI_ACL_ALL ) {
	case SLAPI_ACL_COMPARE:
		slap_access = ACL_COMPARE;
		break;
	case SLAPI_ACL_SEARCH:
		slap_access = ACL_SEARCH;
		break;
	case SLAPI_ACL_READ:
		slap_access = ACL_READ;
		break;
	case SLAPI_ACL_WRITE:
	case SLAPI_ACL_DELETE:
	case SLAPI_ACL_ADD:
	case SLAPI_ACL_SELF:
		slap_access = ACL_WRITE;
		break;
	default:
		return LDAP_INSUFFICIENT_ACCESS;
		break;
	}

	if ( slapi_pblock_get( pb, SLAPI_BACKEND, (void *)&be ) != 0 ) {
		return LDAP_PARAM_ERROR;
	}

	if ( slapi_pblock_get( pb, SLAPI_CONNECTION, (void *)&conn ) != 0 ) {
		return LDAP_PARAM_ERROR;
	}

	if ( slapi_pblock_get( pb, SLAPI_OPERATION, (void *)&op ) != 0 ) {
		return LDAP_PARAM_ERROR;
	}

	ret = access_allowed( be, conn, op, e, desc, val, slap_access, NULL );

	return ret ? LDAP_SUCCESS : LDAP_INSUFFICIENT_ACCESS;
#else
	return LDAP_UNWILLING_TO_PERFORM;
#endif
}

int slapi_acl_check_mods(Slapi_PBlock *pb, Slapi_Entry *e, LDAPMod **mods, char **errbuf)
{
#ifdef LDAP_SLAPI
	Backend *be;
	Connection *conn;
	Operation *op;
	int ret;
	Modifications *ml;
        Modifications *next;

	if ( slapi_pblock_get( pb, SLAPI_BACKEND, (void *)&be ) != 0 ) {
		return LDAP_PARAM_ERROR;
	}

	if ( slapi_pblock_get( pb, SLAPI_CONNECTION, (void *)&conn ) != 0 ) {
		return LDAP_PARAM_ERROR;
	}

	if ( slapi_pblock_get( pb, SLAPI_OPERATION, (void *)&op ) != 0 ) {
		return LDAP_PARAM_ERROR;
	}

	ml = slapi_x_ldapmods2modifications( mods );
	if ( ml == NULL ) {
		return LDAP_OTHER;
	}

	ret = acl_check_modlist( be, conn, op, e, ml );

	/* Careful when freeing the modlist because it has pointers into the mods array. */
	for ( ; ml != NULL; ml = next ) {
		next = ml->sml_next;

		/* just free the containing array */
		slapi_ch_free( (void **)&ml->sml_bvalues );
		slapi_ch_free( (void **)&ml );
	}

	return ret ? LDAP_SUCCESS : LDAP_INSUFFICIENT_ACCESS;
#else
	return LDAP_UNWILLING_TO_PERFORM;
#endif
}

/*
 * Synthesise an LDAPMod array from a Modifications list to pass
 * to SLAPI. This synthesis is destructive and as such the 
 * Modifications list may not be used after calling this 
 * function.
 * 
 * This function must also be called before slap_mods_check().
 */
LDAPMod **slapi_x_modifications2ldapmods(Modifications **pmodlist)
{
#ifdef LDAP_SLAPI
	Modifications *ml, *modlist;
	LDAPMod **mods, *modp;
	int i, j;

	modlist = *pmodlist;

	for( i = 0, ml = modlist; ml != NULL; i++, ml = ml->sml_next )
		;

	mods = (LDAPMod **)ch_malloc( (i + 1) * sizeof(LDAPMod *) );

	for( i = 0, ml = modlist; ml != NULL; ml = ml->sml_next ) {
		modp = mods[i];
		modp->mod_op = ml->sml_op | LDAP_MOD_BVALUES;

		/* Take ownership of original type. */
		modp->mod_type = ml->sml_type.bv_val;
		ml->sml_type.bv_val = NULL;

		if ( ml->sml_bvalues != NULL ) {
			for( j = 0; ml->sml_bvalues[j].bv_val != NULL; j++ )
				;
			modp->mod_bvalues = (struct berval **)ch_malloc( (j + 1) *
				sizeof(struct berval *) );
			for( j = 0; ml->sml_bvalues[j].bv_val != NULL; j++ ) {
				/* Take ownership of original values. */
				modp->mod_bvalues[j] = (struct berval *)ch_malloc( sizeof(struct berval) );
				modp->mod_bvalues[j]->bv_len = ml->sml_bvalues[j].bv_len;
				modp->mod_bvalues[j]->bv_val = ml->sml_bvalues[j].bv_val;
				ml->sml_bvalues[j].bv_len = 0;
				ml->sml_bvalues[j].bv_val = NULL;
			}
			modp->mod_bvalues[j] = NULL;
		} else {
			modp->mod_bvalues = NULL;
		}
		i++;
	}

	mods[i] = NULL;

	slap_mods_free( modlist );
	*pmodlist = NULL;

	return mods;
#else
	return NULL;
#endif
}

/*
 * Convert a potentially modified array of LDAPMods back to a
 * Modification list. 
 * 
 * The returned Modification list contains pointers into the
 * LDAPMods array; the latter MUST be freed with
 * slapi_x_free_ldapmods() (see below).
 */
Modifications *slapi_x_ldapmods2modifications (LDAPMod **mods)
{
#ifdef LDAP_SLAPI
	Modifications *modlist, **modtail;
	LDAPMod **modp;

	modtail = &modlist;

	for( modp = mods; *modp != NULL; modp++ ) {
		Modifications *mod;
		int i;
		char **p;
		struct berval **bvp;

		mod = (Modifications *) ch_malloc( sizeof(Modifications) );
		mod->sml_op = (*modp)->mod_op & (~LDAP_MOD_BVALUES);
		mod->sml_type.bv_val = (*modp)->mod_type;
		mod->sml_type.bv_len = strlen( mod->sml_type.bv_val );
		mod->sml_desc = NULL;
		mod->sml_next = NULL;

		if ( (*modp)->mod_op & LDAP_MOD_BVALUES ) {
			for( i = 0, bvp = (*modp)->mod_bvalues; *bvp != NULL; bvp++, i++ )
				;
		} else {
			for( i = 0, p = (*modp)->mod_values; *p != NULL; p++, i++ )
				;
		}

		mod->sml_bvalues = (BerVarray) ch_malloc( (i + 1) * sizeof(struct berval) );

		/* NB: This implicitly trusts a plugin to return valid modifications. */
		if ( (*modp)->mod_op & LDAP_MOD_BVALUES ) {
			for( i = 0, bvp = (*modp)->mod_bvalues; *bvp != NULL; bvp++, i++ ) {
				mod->sml_bvalues[i].bv_val = (*bvp)->bv_val;
				mod->sml_bvalues[i].bv_len = (*bvp)->bv_len;
			}
		} else {
			for( i = 0, p = (*modp)->mod_values; *p != NULL; p++, i++ ) {
				mod->sml_bvalues[i].bv_val = *p;
				mod->sml_bvalues[i].bv_len = strlen( *p );
			}
		}
		mod->sml_bvalues[i].bv_val = NULL;

		*modtail = mod;
		modtail = &mod->sml_next;
	}
	
	return modlist;
#else
	return NULL;
#endif 
}

/*
 * This function only frees the parts of the mods array that
 * are not shared with the Modification list that was created
 * by slapi_x_ldapmods2modifications(). 
 *
 */
void slapi_x_free_ldapmods (LDAPMod **mods)
{
#ifdef LDAP_SLAPI
	int i, j;

	if (mods == NULL)
		return;

	for ( i = 0; mods[i] != NULL; i++ ) {
		/*
		 * Don't free values themselves; they're owned by the
		 * Modification list. Do free the containing array.
		 */
		if ( mods[i]->mod_op & LDAP_MOD_BVALUES ) {
			for ( j = 0; mods[i]->mod_bvalues[j] != NULL; j++ ) {
				ch_free( mods[i]->mod_bvalues[j] );
			}
			ch_free( mods[i]->mod_bvalues );
		} else {
			ch_free( mods[i]->mod_values );
		}
		/* Don't free type, for same reasons. */
		ch_free( mods[i] );
	}
	ch_free( mods );
#endif /* LDAP_SLAPI */
}

/*
 * Sun ONE DS 5.x computed attribute support. Computed attributes
 * allow for dynamically generated operational attributes, a very
 * useful thing indeed.
 */

/*
 * Write the computed attribute to a BerElement. Complementary 
 * functions need to be defined for anything that replaces 
 * op->o_callback->sc_sendentry, if you wish to make computed
 * attributes available to it.
 */
int slapi_x_compute_output_ber(computed_attr_context *c, Slapi_Attr *a, Slapi_Entry *e)
{
#ifdef LDAP_SLAPI
	Backend *be = NULL;
	Connection *conn = NULL;
	Operation *op = NULL;
	BerElement *ber;
	AttributeDescription *desc;
	int rc;
	int i;

	if ( c == NULL ) {
		return 1;
	}

	if ( a == NULL ) {
		return 1;
	}

	if ( e == NULL ) {
		return 1;
	}

	rc = slapi_pblock_get( c->cac_pb, SLAPI_BACKEND, (void *)&be );
	if ( rc != 0 ) {
		be = NULL; /* no backend for root DSE */
	}

	rc = slapi_pblock_get( c->cac_pb, SLAPI_CONNECTION, (void *)&conn );
	if ( rc != 0 || conn == NULL ) {
		return rc;
	}

	rc = slapi_pblock_get( c->cac_pb, SLAPI_OPERATION, (void *)&op );
	if ( rc != 0 || op == NULL ) {
		return rc;
	}

	ber = (BerElement *)c->cac_private;
	desc = a->a_desc;

	if ( c->cac_attrs == NULL ) {
		/* All attrs request, skip operational attributes */
		if ( is_at_operational( desc->ad_type ) ) {
			return 0;
		}
	} else {
		/* Specific attrs requested */
		if ( is_at_operational( desc->ad_type ) ) {
			if ( !c->cac_opattrs && !ad_inlist( desc, c->cac_attrs ) ) {
				return 0;
			}
		} else {
			if ( !c->cac_userattrs && !ad_inlist( desc, c->cac_attrs ) ) {
				return 0;
			}
		}
	}

	if ( !access_allowed( be, conn, op, e, desc, NULL, ACL_READ, &c->cac_acl_state) ) {
		slapi_log_error( SLAPI_LOG_ACL, "SLAPI_COMPUTE",
			"acl: access to attribute %s not allowed\n",
			desc->ad_cname.bv_val );
		return 0;
	}

	rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
	if (rc == -1 ) {
		slapi_log_error( SLAPI_LOG_BER, "SLAPI_COMPUTE",
			"ber_printf failed\n");
		return 1;
	}

	if ( !c->cac_attrsonly ) {
		for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
			if ( !access_allowed( be, conn, op, e,
				desc, &a->a_vals[i], ACL_READ, &c->cac_acl_state)) {
				slapi_log_error( SLAPI_LOG_ACL, "SLAPI_COMPUTE",
					"slapi_x_compute_output_ber: conn %lu "
					"acl: access to %s, value %d not allowed\n",
					op->o_connid, desc->ad_cname.bv_val, i  );
				continue;
			}
	
			if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
				slapi_log_error( SLAPI_LOG_BER, "SLAPI_COMPUTE",
					"ber_printf failed\n");
				return 1;
			}
		}
	}

	if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
		slapi_log_error( SLAPI_LOG_BER, "SLAPI_COMPUTE",
			"ber_printf failed\n" );
		return 1;
	}

	return 0;
#else
	return 1;
#endif
}

/*
 * For some reason Sun don't use the normal plugin mechanism
 * registration path to register an "evaluator" function (an
 * "evaluator" is responsible for adding computed attributes;
 * the nomenclature is somewhat confusing).
 *
 * As such slapi_compute_add_evaluator() registers the 
 * function directly.
 */
int slapi_compute_add_evaluator(slapi_compute_callback_t function)
{
#ifdef LDAP_SLAPI
	Slapi_PBlock *pPlugin = NULL;
	int rc;

	pPlugin = slapi_pblock_new();
	if ( pPlugin == NULL ) {
		rc = LDAP_NO_MEMORY;
		goto done;
	}

	rc = slapi_pblock_set( pPlugin, SLAPI_PLUGIN_TYPE, (void *)SLAPI_PLUGIN_OBJECT );
	if ( rc != LDAP_SUCCESS ) {
		goto done;
	}

	rc = slapi_pblock_set( pPlugin, SLAPI_PLUGIN_COMPUTE_EVALUATOR_FN, (void *)function );
	if ( rc != LDAP_SUCCESS ) {
		goto done;
	}

	rc = insertPlugin( NULL, pPlugin );
	if ( rc != 0 ) {
		rc = LDAP_OTHER;
		goto done;
	}

done:
	if ( rc != LDAP_SUCCESS ) {
		if ( pPlugin != NULL ) {
			slapi_pblock_destroy( pPlugin );
		}
		return -1;
	}

	return 0;
#else
	return -1;
#endif /* LDAP_SLAPI */
}

/*
 * See notes above regarding slapi_compute_add_evaluator().
 */
int slapi_compute_add_search_rewriter(slapi_search_rewrite_callback_t function)
{
#ifdef LDAP_SLAPI
	Slapi_PBlock *pPlugin = NULL;
	int rc;

	pPlugin = slapi_pblock_new();
	if ( pPlugin == NULL ) {
		rc = LDAP_NO_MEMORY;
		goto done;
	}

	rc = slapi_pblock_set( pPlugin, SLAPI_PLUGIN_TYPE, (void *)SLAPI_PLUGIN_OBJECT );
	if ( rc != LDAP_SUCCESS ) {
		goto done;
	}

	rc = slapi_pblock_set( pPlugin, SLAPI_PLUGIN_COMPUTE_SEARCH_REWRITER_FN, (void *)function );
	if ( rc != LDAP_SUCCESS ) {
		goto done;
	}

	rc = insertPlugin( NULL, pPlugin );
	if ( rc != 0 ) {
		rc = LDAP_OTHER;
		goto done;
	}

done:
	if ( rc != LDAP_SUCCESS ) {
		if ( pPlugin != NULL ) {
			slapi_pblock_destroy( pPlugin );
		}
		return -1;
	}

	return 0;
#else
	return -1;
#endif /* LDAP_SLAPI */
}

/*
 * Call compute evaluators
 */
int compute_evaluator(computed_attr_context *c, char *type, Slapi_Entry *e, slapi_compute_output_t outputfn)
{
#ifdef LDAP_SLAPI
	int rc = 0;
	slapi_compute_callback_t *pGetPlugin, *tmpPlugin;

	rc = getAllPluginFuncs( NULL, SLAPI_PLUGIN_COMPUTE_EVALUATOR_FN, (SLAPI_FUNC **)&tmpPlugin );
	if ( rc != LDAP_SUCCESS || tmpPlugin == NULL ) {
		/* Nothing to do; front-end should ignore. */
		return 0;
	}

	for ( pGetPlugin = tmpPlugin; *pGetPlugin != NULL; pGetPlugin++ ) {
		/*
		 * -1: no attribute matched requested type
		 *  0: one attribute matched
		 * >0: error happened
		 */
		rc = (*pGetPlugin)( c, type, e, outputfn );
		if ( rc > 0 ) {
			break;
		}
	}

	slapi_ch_free( (void **)&tmpPlugin );

	return rc;
#else
	return 1;
#endif /* LDAP_SLAPI */
}

int compute_rewrite_search_filter(Slapi_PBlock *pb)
{
#ifdef LDAP_SLAPI
	Backend *be;
	int rc;

	rc = slapi_pblock_get( pb, SLAPI_BACKEND, (void *)&be );
	if ( rc != 0 ) {
		return rc;
	}

	return doPluginFNs( be, SLAPI_PLUGIN_COMPUTE_SEARCH_REWRITER_FN, pb );
#else
	return -1;
#endif /* LDAP_SLAPI */
}

/*
 * New API to provide the plugin with access to the search
 * pblock. Have informed Sun DS team.
 */
int slapi_x_compute_get_pblock(computed_attr_context *c, Slapi_PBlock **pb)
{
#ifdef LDAP_SLAPI
	if ( c == NULL )
		return -1;

	if ( c->cac_pb == NULL )
		return -1;

	*pb = c->cac_pb;

	return 0;
#else
	return -1;
#endif /* LDAP_SLAPI */
}

Slapi_Mutex *slapi_new_mutex( void )
{
#ifdef LDAP_SLAPI
	Slapi_Mutex *m;

	m = (Slapi_Mutex *)slapi_ch_malloc( sizeof(*m) );
	if ( ldap_pvt_thread_mutex_init( &m->mutex ) != 0 ) {
		slapi_ch_free( (void **)&m );
		return NULL;
	}

	return m;
#else
	return NULL;
#endif
}

void slapi_destroy_mutex( Slapi_Mutex *mutex )
{
#ifdef LDAP_SLAPI
	if ( mutex != NULL ) {
		ldap_pvt_thread_mutex_destroy( &mutex->mutex );
		slapi_ch_free( (void **)&mutex);
	}
#endif
}

void slapi_lock_mutex( Slapi_Mutex *mutex )
{
#ifdef LDAP_SLAPI
	ldap_pvt_thread_mutex_lock( &mutex->mutex );
#endif
}

int slapi_unlock_mutex( Slapi_Mutex *mutex )
{
#ifdef LDAP_SLAPI
	return ldap_pvt_thread_mutex_unlock( &mutex->mutex );
#else
	return -1;
#endif
}

Slapi_CondVar *slapi_new_condvar( Slapi_Mutex *mutex )
{
#ifdef LDAP_SLAPI
	Slapi_CondVar *cv;

	if ( mutex == NULL ) {
		return NULL;
	}

	cv = (Slapi_CondVar *)slapi_ch_malloc( sizeof(*cv) );
	if ( ldap_pvt_thread_cond_init( &cv->cond ) != 0 ) {
		slapi_ch_free( (void **)&cv );
		return NULL;
	}

	/* XXX struct copy */
	cv->mutex = mutex->mutex;

	return cv;
#else	
	return NULL;
#endif
}

void slapi_destroy_condvar( Slapi_CondVar *cvar )
{
#ifdef LDAP_SLAPI
	if ( cvar != NULL ) {
		ldap_pvt_thread_cond_destroy( &cvar->cond );
		slapi_ch_free( (void **)&cvar );
	}
#endif
}

int slapi_wait_condvar( Slapi_CondVar *cvar, struct timeval *timeout )
{
#ifdef LDAP_SLAPI
	if ( cvar == NULL ) {
		return -1;
	}

	return ldap_pvt_thread_cond_wait( &cvar->cond, &cvar->mutex );
#else
	return -1;
#endif
}

int slapi_notify_condvar( Slapi_CondVar *cvar, int notify_all )
{
#ifdef LDAP_SLAPI
	if ( cvar == NULL ) {
		return -1;
	}

	if ( notify_all ) {
		return ldap_pvt_thread_cond_braodcast( &cvar->cond );
	}

	return ldap_pvt_thread_cond_signal( &cvar->cond );
#else
	return -1;
#endif
}