--- /dev/null
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2005 The OpenLDAP Foundation.
+ * 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 Luke Howard for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#include <ac/string.h>
+#include <ac/stdarg.h>
+#include <ac/ctype.h>
+#include <ac/unistd.h>
+#include <ldap_pvt.h>
+
+#include <slap.h>
+#include <slapi.h>
+
+#ifdef LDAP_SLAPI
+#define FLAG_DN 0x1
+#define FLAG_NDN 0x2
+
+void slapi_sdn_init( Slapi_DN *sdn )
+{
+ sdn->flag = 0;
+ BER_BVZERO( &sdn->dn );
+ BER_BVZERO( &sdn->ndn );
+}
+
+Slapi_DN *slapi_sdn_new( void )
+{
+ Slapi_DN *sdn;
+
+ sdn = (Slapi_DN *)slapi_ch_malloc( sizeof(*sdn ));
+ slapi_sdn_init( sdn );
+
+ return sdn;
+}
+
+void slapi_sdn_done( Slapi_DN *sdn )
+{
+ if ( sdn == NULL )
+ return;
+
+ if ( sdn->flag & FLAG_DN ) {
+ slapi_ch_free_string( &sdn->dn.bv_val );
+ }
+ if ( sdn->flag & FLAG_NDN ) {
+ slapi_ch_free_string( &sdn->ndn.bv_val );
+ }
+
+ slapi_sdn_init( sdn );
+}
+
+void slapi_sdn_free( Slapi_DN **sdn )
+{
+ slapi_sdn_done( *sdn );
+ slapi_ch_free( (void **)sdn );
+}
+
+const char *slapi_sdn_get_dn( const Slapi_DN *sdn )
+{
+ if ( !BER_BVISNULL( &sdn->dn ) )
+ return sdn->dn.bv_val;
+ else
+ return sdn->ndn.bv_val;
+}
+
+const char *slapi_sdn_get_ndn( const Slapi_DN *sdn )
+{
+ if ( BER_BVISNULL( &sdn->ndn ) ) {
+ dnNormalize( 0, NULL, NULL,
+ (struct berval *)&sdn->dn, (struct berval *)&sdn->ndn, NULL );
+ ((Slapi_DN *)sdn)->flag |= FLAG_NDN;
+ }
+
+ return sdn->ndn.bv_val;
+}
+
+Slapi_DN *slapi_sdn_new_dn_byval( const char *dn )
+{
+ Slapi_DN *sdn;
+
+ sdn = slapi_sdn_new();
+ return slapi_sdn_set_dn_byval( sdn, dn );
+}
+
+Slapi_DN *slapi_sdn_new_ndn_byval( const char *ndn )
+{
+ Slapi_DN *sdn;
+
+ sdn = slapi_sdn_new();
+ return slapi_sdn_set_ndn_byval( sdn, ndn );
+}
+
+Slapi_DN *slapi_sdn_new_dn_byref( const char *dn )
+{
+ Slapi_DN *sdn;
+
+ sdn = slapi_sdn_new();
+ return slapi_sdn_set_dn_byref( sdn, dn );
+}
+
+Slapi_DN *slapi_sdn_new_ndn_byref( const char *ndn )
+{
+ Slapi_DN *sdn;
+
+ sdn = slapi_sdn_new();
+ return slapi_sdn_set_ndn_byref( sdn, ndn );
+}
+
+Slapi_DN *slapi_sdn_new_dn_passin( const char *dn )
+{
+ Slapi_DN *sdn;
+
+ sdn = slapi_sdn_new();
+ return slapi_sdn_set_dn_passin( sdn, dn );
+}
+
+Slapi_DN *slapi_sdn_set_dn_byval( Slapi_DN *sdn, const char *dn )
+{
+ if ( sdn == NULL ) {
+ return NULL;
+ }
+
+ slapi_sdn_done( sdn );
+ if ( dn != NULL ) {
+ sdn->dn.bv_val = slapi_ch_strdup( dn );
+ sdn->dn.bv_len = strlen( dn );
+ }
+ sdn->flag |= FLAG_DN;
+
+ return sdn;
+}
+
+Slapi_DN *slapi_sdn_set_dn_byref( Slapi_DN *sdn, const char *dn )
+{
+ if ( sdn == NULL )
+ return NULL;
+
+ slapi_sdn_done( sdn );
+ if ( dn != NULL ) {
+ sdn->dn.bv_val = (char *)dn;
+ sdn->dn.bv_len = strlen( dn );
+ }
+
+ return sdn;
+}
+
+Slapi_DN *slapi_sdn_set_dn_passin( Slapi_DN *sdn, const char *dn )
+{
+ if ( sdn == NULL )
+ return NULL;
+
+ slapi_sdn_set_dn_byref( sdn, dn );
+ sdn->flag |= FLAG_DN;
+
+ return sdn;
+}
+
+Slapi_DN *slapi_sdn_set_ndn_byval( Slapi_DN *sdn, const char *ndn )
+{
+ if ( sdn == NULL ) {
+ return NULL;
+ }
+
+ slapi_sdn_done( sdn );
+ if ( ndn != NULL ) {
+ sdn->ndn.bv_val = slapi_ch_strdup( ndn );
+ sdn->ndn.bv_len = strlen( ndn );
+ }
+ sdn->flag |= FLAG_NDN;
+
+ return sdn;
+}
+
+Slapi_DN *slapi_sdn_set_ndn_byref( Slapi_DN *sdn, const char *ndn )
+{
+ if ( sdn == NULL )
+ return NULL;
+
+ slapi_sdn_done( sdn );
+ if ( ndn != NULL ) {
+ sdn->ndn.bv_val = (char *)ndn;
+ sdn->ndn.bv_len = strlen( ndn );
+ }
+
+ return sdn;
+}
+
+Slapi_DN *slapi_sdn_set_ndn_passin( Slapi_DN *sdn, const char *ndn )
+{
+ if ( sdn == NULL )
+ return NULL;
+
+ slapi_sdn_set_ndn_byref( sdn, ndn );
+ sdn->flag |= FLAG_NDN;
+
+ return sdn;
+}
+
+void slapi_sdn_get_parent( const Slapi_DN *sdn, Slapi_DN *sdn_parent )
+{
+ struct berval parent_dn;
+
+ dnParent( (struct berval *)&sdn->dn, &parent_dn );
+
+ slapi_sdn_set_dn_byval( sdn_parent, parent_dn.bv_val );
+}
+
+void slapi_sdn_get_backend_parent( const Slapi_DN *sdn,
+ Slapi_DN *sdn_parent,
+ const Slapi_Backend *backend )
+{
+ slapi_sdn_get_ndn( sdn );
+
+ if ( backend == NULL ||
+ be_issuffix( (Slapi_Backend *)backend, (struct berval *)&sdn->ndn ) == 0 ) {
+ slapi_sdn_get_parent( sdn, sdn_parent );
+ }
+
+}
+
+Slapi_DN * slapi_sdn_dup( const Slapi_DN *sdn )
+{
+ Slapi_DN *new_sdn;
+
+ new_sdn = slapi_sdn_new();
+ slapi_sdn_copy( sdn, new_sdn );
+
+ return new_sdn;
+}
+
+void slapi_sdn_copy( const Slapi_DN *from, Slapi_DN *to )
+{
+ slapi_sdn_set_dn_byval( to, from->dn.bv_val );
+}
+
+int slapi_sdn_compare( const Slapi_DN *sdn1, const Slapi_DN *sdn2 )
+{
+ int match = -1;
+
+ slapi_sdn_get_ndn( sdn1 );
+ slapi_sdn_get_ndn( sdn2 );
+
+ dnMatch( &match, 0, slap_schema.si_syn_distinguishedName, NULL,
+ (struct berval *)&sdn1->ndn, (void *)&sdn2->ndn );
+
+ return match;
+}
+
+int slapi_sdn_isempty( const Slapi_DN *sdn)
+{
+ return ( BER_BVISEMPTY( &sdn->dn ) );
+}
+
+int slapi_sdn_issuffix( const Slapi_DN *sdn, const Slapi_DN *suffix_sdn )
+{
+ slapi_sdn_get_ndn( sdn );
+ slapi_sdn_get_ndn( suffix_sdn );
+
+ return dnIsSuffix( &sdn->ndn, &suffix_sdn->ndn );
+}
+
+int slapi_sdn_isparent( const Slapi_DN *parent, const Slapi_DN *child )
+{
+ Slapi_DN child_parent;
+
+ slapi_sdn_get_ndn( child );
+
+ slapi_sdn_init( &child_parent );
+ dnParent( (struct berval *)&child->ndn, &child_parent.ndn );
+
+ return ( slapi_sdn_compare( parent, &child_parent ) == 0 );
+}
+
+int slapi_sdn_isgrandparent( const Slapi_DN *parent, const Slapi_DN *child )
+{
+ Slapi_DN child_grandparent;
+
+ slapi_sdn_get_ndn( child );
+
+ slapi_sdn_init( &child_grandparent );
+ dnParent( (struct berval *)&child->ndn, &child_grandparent.ndn );
+ if ( child_grandparent.ndn.bv_len == 0 ) {
+ return 0;
+ }
+
+ dnParent( &child_grandparent.ndn, &child_grandparent.ndn );
+
+ return ( slapi_sdn_compare( parent, &child_grandparent ) == 0 );
+}
+
+int slapi_sdn_get_ndn_len( const Slapi_DN *sdn )
+{
+ slapi_sdn_get_ndn( sdn );
+
+ return sdn->ndn.bv_len;
+}
+
+int slapi_sdn_scope_test( const Slapi_DN *dn, const Slapi_DN *base, int scope )
+{
+ int rc;
+
+ switch ( scope ) {
+ case LDAP_SCOPE_BASE:
+ rc = ( slapi_sdn_compare( dn, base ) == 0 );
+ break;
+ case LDAP_SCOPE_ONELEVEL:
+ rc = slapi_sdn_isparent( base, dn );
+ break;
+ case LDAP_SCOPE_SUBTREE:
+ rc = slapi_sdn_issuffix( dn, base );
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+
+ return rc;
+}
+
+void slapi_rdn_init( Slapi_RDN *rdn )
+{
+ rdn->flag = 0;
+ BER_BVZERO( &rdn->bv );
+ rdn->rdn = NULL;
+}
+
+Slapi_RDN *slapi_rdn_new( void )
+{
+ Slapi_RDN *rdn;
+
+ rdn = (Slapi_RDN *)slapi_ch_malloc( sizeof(*rdn ));
+ slapi_rdn_init( rdn );
+
+ return rdn;
+}
+
+Slapi_RDN *slapi_rdn_new_dn( const char *dn )
+{
+ Slapi_RDN *rdn;
+
+ rdn = slapi_rdn_new();
+ slapi_rdn_init_dn( rdn, dn );
+ return rdn;
+}
+
+Slapi_RDN *slapi_rdn_new_sdn( const Slapi_DN *sdn )
+{
+ return slapi_rdn_new_dn( slapi_sdn_get_dn( sdn ) );
+}
+
+Slapi_RDN *slapi_rdn_new_rdn( const Slapi_RDN *fromrdn )
+{
+ return slapi_rdn_new_dn( fromrdn->bv.bv_val );
+}
+
+void slapi_rdn_init_dn( Slapi_RDN *rdn, const char *dn )
+{
+ slapi_rdn_init( rdn );
+ slapi_rdn_set_dn( rdn, dn );
+}
+
+void slapi_rdn_init_sdn( Slapi_RDN *rdn, const Slapi_DN *sdn )
+{
+ slapi_rdn_init( rdn );
+ slapi_rdn_set_sdn( rdn, sdn );
+}
+
+void slapi_rdn_init_rdn( Slapi_RDN *rdn, const Slapi_RDN *fromrdn )
+{
+ slapi_rdn_init( rdn );
+ slapi_rdn_set_rdn( rdn, fromrdn );
+}
+
+void slapi_rdn_set_dn( Slapi_RDN *rdn, const char *dn )
+{
+ struct berval bv;
+
+ slapi_rdn_done( rdn );
+
+ BER_BVZERO( &bv );
+
+ if ( dn != NULL ) {
+ bv.bv_val = (char *)dn;
+ bv.bv_len = strlen( dn );
+ }
+
+ dnExtractRdn( &bv, &rdn->bv, NULL );
+ rdn->flag |= FLAG_DN;
+}
+
+void slapi_rdn_set_sdn( Slapi_RDN *rdn, const Slapi_DN *sdn )
+{
+ return slapi_rdn_set_dn( rdn, slapi_sdn_get_dn( sdn ) );
+}
+
+void slapi_rdn_set_rdn( Slapi_RDN *rdn, const Slapi_RDN *fromrdn )
+{
+ return slapi_rdn_set_dn( rdn, fromrdn->bv.bv_val );
+}
+
+void slapi_rdn_free( Slapi_RDN **rdn )
+{
+ slapi_rdn_done( *rdn );
+ slapi_ch_free( (void **)rdn );
+}
+
+void slapi_rdn_done( Slapi_RDN *rdn )
+{
+ if ( rdn->rdn != NULL ) {
+ ldap_rdnfree( rdn->rdn );
+ rdn->rdn = NULL;
+ }
+ slapi_ch_free_string( &rdn->bv.bv_val );
+ slapi_rdn_init( rdn );
+}
+
+const char *slapi_rdn_get_rdn( const Slapi_RDN *rdn )
+{
+ return rdn->bv.bv_val;
+}
+
+static int slapi_int_rdn_explode( Slapi_RDN *rdn )
+{
+ char *next;
+
+ if ( rdn->rdn != NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ return ldap_bv2rdn( &rdn->bv, &rdn->rdn, &next, LDAP_DN_FORMAT_LDAP );
+}
+
+static int slapi_int_rdn_implode( Slapi_RDN *rdn )
+{
+ struct berval bv;
+ int rc;
+
+ if ( rdn->rdn == NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ rc = ldap_rdn2bv( rdn->rdn, &bv, LDAP_DN_FORMAT_LDAPV3 | LDAP_DN_PRETTY );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ slapi_ch_free_string( &rdn->bv.bv_val );
+ rdn->bv = bv;
+
+ return 0;
+}
+
+int slapi_rdn_get_num_components( Slapi_RDN *rdn )
+{
+ int i;
+
+ if ( slapi_int_rdn_explode( rdn ) != LDAP_SUCCESS )
+ return 0;
+
+ for ( i = 0; rdn->rdn[i] != NULL; i++ )
+ ;
+
+ return i;
+}
+
+int slapi_rdn_get_first( Slapi_RDN *rdn, char **type, char **value )
+{
+ return slapi_rdn_get_next( rdn, 0, type, value );
+}
+
+int slapi_rdn_get_next( Slapi_RDN *rdn, int index, char **type, char **value )
+{
+ slapi_int_rdn_explode( rdn );
+
+ if ( rdn->rdn == NULL || rdn->rdn[index] == NULL )
+ return -1;
+
+ *type = rdn->rdn[index]->la_attr.bv_val;
+ *value = rdn->rdn[index]->la_value.bv_val;
+
+ return index + 1;
+}
+
+int slapi_rdn_get_index( Slapi_RDN *rdn, const char *type, const char *value, size_t length )
+{
+ int i, match;
+ struct berval bv;
+ AttributeDescription *ad = NULL;
+ const char *text;
+
+ slapi_int_rdn_explode( rdn );
+
+ if ( slap_str2ad( type, &ad, &text ) != LDAP_SUCCESS ) {
+ return -1;
+ }
+
+ bv.bv_val = (char *)value;
+ bv.bv_len = length;
+
+ for ( i = 0; rdn->rdn[i] != NULL; i++ ) {
+ if ( !slapi_attr_types_equivalent( ad->ad_cname.bv_val, type ))
+ continue;
+
+ if ( value_match( &match, ad, ad->ad_type->sat_equality, 0,
+ &rdn->rdn[i]->la_value, (void *)&bv, &text ) != LDAP_SUCCESS )
+ match = -1;
+
+ if ( match == 0 )
+ return i;
+ }
+
+ return -1;
+}
+
+int slapi_rdn_get_index_attr( Slapi_RDN *rdn, const char *type, char **value )
+{
+ int i;
+
+ for ( i = 0; rdn->rdn[i] != NULL; i++ ) {
+ if ( slapi_attr_types_equivalent( rdn->rdn[i]->la_attr.bv_val, type ) ) {
+ *value = rdn->rdn[i]->la_value.bv_val;
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+int slapi_rdn_contains( Slapi_RDN *rdn, const char *type, const char *value, size_t length )
+{
+ return ( slapi_rdn_get_index( rdn, type, value, length ) != -1 );
+}
+
+int slapi_rdn_contains_attr( Slapi_RDN *rdn, const char *type, char **value )
+{
+ return ( slapi_rdn_get_index_attr( rdn, type, value ) != -1 );
+}
+
+int slapi_rdn_compare( Slapi_RDN *rdn1, Slapi_RDN *rdn2 )
+{
+ struct berval nrdn1 = BER_BVNULL;
+ struct berval nrdn2 = BER_BVNULL;
+ int match;
+
+ rdnNormalize( 0, NULL, NULL, (struct berval *)&rdn1->bv, &nrdn1, NULL );
+ rdnNormalize( 0, NULL, NULL, (struct berval *)&rdn2->bv, &nrdn2, NULL );
+
+ if ( rdnMatch( &match, 0, NULL, NULL, &nrdn1, (void *)&nrdn2 ) != LDAP_SUCCESS) {
+ match = -1;
+ }
+
+ return match;
+}
+
+int slapi_rdn_isempty( const Slapi_RDN *rdn )
+{
+ return ( BER_BVISEMPTY( &rdn->bv ) );
+}
+
+int slapi_rdn_add( Slapi_RDN *rdn, const char *type, const char *value )
+{
+ char *s;
+ size_t len;
+
+ len = strlen(type) + 1 + strlen( value );
+ if ( !BER_BVISEMPTY( &rdn->bv ) ) {
+ len += 1 + rdn->bv.bv_len;
+ }
+
+ s = slapi_ch_malloc( len + 1 );
+
+ if ( BER_BVISEMPTY( &rdn->bv ) ) {
+ snprintf( s, len + 1, "%s=%s", type, value );
+ } else {
+ snprintf( s, len + 1, "%s=%s+%s", type, value, rdn->bv.bv_val );
+ }
+
+ slapi_rdn_done( rdn );
+
+ rdn->bv.bv_len = len;
+ rdn->bv.bv_val = s;
+
+ return 1;
+}
+
+int slapi_rdn_remove_index( Slapi_RDN *rdn, int atindex )
+{
+ int count, i;
+
+ count = slapi_rdn_get_num_components( rdn );
+
+ if ( atindex < 0 || atindex >= count )
+ return 0;
+
+ if ( rdn->rdn == NULL )
+ return 0;
+
+ slapi_ch_free_string( &rdn->rdn[atindex]->la_attr.bv_val );
+ slapi_ch_free_string( &rdn->rdn[atindex]->la_value.bv_val );
+
+ for ( i = atindex; i < count; i++ ) {
+ rdn->rdn[i] = rdn->rdn[i + 1];
+ }
+
+ if ( slapi_int_rdn_implode( rdn ) != LDAP_SUCCESS )
+ return 0;
+
+ return 1;
+}
+
+int slapi_rdn_remove( Slapi_RDN *rdn, const char *type, const char *value, size_t length )
+{
+ int index = slapi_rdn_get_index( rdn, type, value, length );
+
+ return slapi_rdn_remove_index( rdn, index );
+}
+
+int slapi_rdn_remove_attr( Slapi_RDN *rdn, const char *type )
+{
+ char *value;
+ int index = slapi_rdn_get_index_attr( rdn, type, &value );
+
+ return slapi_rdn_remove_index( rdn, index );
+}
+
+Slapi_DN *slapi_sdn_add_rdn( Slapi_DN *sdn, const Slapi_RDN *rdn )
+{
+ struct berval bv;
+
+ build_new_dn( &bv, &sdn->dn, (struct berval *)&rdn->bv, NULL );
+
+ slapi_sdn_done( sdn );
+ sdn->dn = bv;
+
+ return sdn;
+}
+
+Slapi_DN *slapi_sdn_set_parent( Slapi_DN *sdn, const Slapi_DN *parentdn )
+{
+ Slapi_RDN rdn;
+
+ slapi_rdn_init_sdn( &rdn, sdn );
+ slapi_sdn_set_dn_byref( sdn, slapi_sdn_get_dn( parentdn ) );
+ slapi_sdn_add_rdn( sdn, &rdn );
+ slapi_rdn_done( &rdn );
+
+ return sdn;
+}
+
+#endif /* LDAP_SLAPI */
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