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-rw-r--r--libraries/libldap/getvalues.c211
1 files changed, 211 insertions, 0 deletions
diff --git a/libraries/libldap/getvalues.c b/libraries/libldap/getvalues.c
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+++ b/libraries/libldap/getvalues.c
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 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>.
+ */
+/* Portions Copyright (c) 1990 Regents of the University of Michigan.
+ * All rights reserved.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+
+#include <ac/ctype.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+
+#include "ldap-int.h"
+
+char **
+ldap_get_values( LDAP *ld, LDAPMessage *entry, LDAP_CONST char *target )
+{
+ BerElement ber;
+ char *attr;
+ int found = 0;
+ char **vals;
+
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+ assert( entry != NULL );
+ assert( target != NULL );
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_get_values\n", 0, 0, 0 );
+
+ ber = *entry->lm_ber;
+
+ /* skip sequence, dn, sequence of, and snag the first attr */
+ if ( ber_scanf( &ber, "{x{{a" /*}}}*/, &attr ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return( NULL );
+ }
+
+ if ( strcasecmp( target, attr ) == 0 )
+ found = 1;
+
+ /* break out on success, return out on error */
+ while ( ! found ) {
+ LDAP_FREE(attr);
+ attr = NULL;
+
+ if ( ber_scanf( &ber, /*{*/ "x}{a" /*}*/, &attr ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return( NULL );
+ }
+
+ if ( strcasecmp( target, attr ) == 0 )
+ break;
+
+ }
+
+ LDAP_FREE(attr);
+ attr = NULL;
+
+ /*
+ * if we get this far, we've found the attribute and are sitting
+ * just before the set of values.
+ */
+
+ if ( ber_scanf( &ber, "[v]", &vals ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return( NULL );
+ }
+
+ return( vals );
+}
+
+struct berval **
+ldap_get_values_len( LDAP *ld, LDAPMessage *entry, LDAP_CONST char *target )
+{
+ BerElement ber;
+ char *attr;
+ int found = 0;
+ struct berval **vals;
+
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+ assert( entry != NULL );
+ assert( target != NULL );
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_get_values_len\n", 0, 0, 0 );
+
+ ber = *entry->lm_ber;
+
+ /* skip sequence, dn, sequence of, and snag the first attr */
+ if ( ber_scanf( &ber, "{x{{a" /* }}} */, &attr ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return( NULL );
+ }
+
+ if ( strcasecmp( target, attr ) == 0 )
+ found = 1;
+
+ /* break out on success, return out on error */
+ while ( ! found ) {
+ LDAP_FREE( attr );
+ attr = NULL;
+
+ if ( ber_scanf( &ber, /*{*/ "x}{a" /*}*/, &attr ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return( NULL );
+ }
+
+ if ( strcasecmp( target, attr ) == 0 )
+ break;
+ }
+
+ LDAP_FREE( attr );
+ attr = NULL;
+
+ /*
+ * if we get this far, we've found the attribute and are sitting
+ * just before the set of values.
+ */
+
+ if ( ber_scanf( &ber, "[V]", &vals ) == LBER_ERROR ) {
+ ld->ld_errno = LDAP_DECODING_ERROR;
+ return( NULL );
+ }
+
+ return( vals );
+}
+
+int
+ldap_count_values( char **vals )
+{
+ int i;
+
+ if ( vals == NULL )
+ return( 0 );
+
+ for ( i = 0; vals[i] != NULL; i++ )
+ ; /* NULL */
+
+ return( i );
+}
+
+int
+ldap_count_values_len( struct berval **vals )
+{
+ return( ldap_count_values( (char **) vals ) );
+}
+
+void
+ldap_value_free( char **vals )
+{
+ LDAP_VFREE( vals );
+}
+
+void
+ldap_value_free_len( struct berval **vals )
+{
+ ber_bvecfree( vals );
+}
+
+char **
+ldap_value_dup( char *const *vals )
+{
+ char **new;
+ int i;
+
+ if( vals == NULL ) {
+ return NULL;
+ }
+
+ for( i=0; vals[i]; i++ ) {
+ ; /* Count the number of values */
+ }
+
+ if( i == 0 ) {
+ return NULL;
+ }
+
+ new = LDAP_MALLOC( (i+1)*sizeof(char *) ); /* Alloc array of pointers */
+ if( new == NULL ) {
+ return NULL;
+ }
+
+ for( i=0; vals[i]; i++ ) {
+ new[i] = LDAP_STRDUP( vals[i] ); /* Dup each value */
+ if( new[i] == NULL ) {
+ LDAP_VFREE( new );
+ return NULL;
+ }
+ }
+ new[i] = NULL;
+
+ return new;
+}
+