summaryrefslogtreecommitdiffstats
path: root/ldap/c-sdk/libldap/getattr.c
diff options
context:
space:
mode:
Diffstat (limited to 'ldap/c-sdk/libldap/getattr.c')
-rw-r--r--ldap/c-sdk/libldap/getattr.c150
1 files changed, 150 insertions, 0 deletions
diff --git a/ldap/c-sdk/libldap/getattr.c b/ldap/c-sdk/libldap/getattr.c
new file mode 100644
index 000000000..fbe688fea
--- /dev/null
+++ b/ldap/c-sdk/libldap/getattr.c
@@ -0,0 +1,150 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/*
+ * Copyright (c) 1990 Regents of the University of Michigan.
+ * All rights reserved.
+ */
+/*
+ * getattr.c
+ */
+
+#if 0
+#ifndef lint
+static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
+#endif
+#endif
+
+#include "ldap-int.h"
+
+
+static unsigned long
+bytes_remaining( BerElement *ber )
+{
+ ber_len_t len;
+
+ if ( ber_get_option( ber, LBER_OPT_REMAINING_BYTES, &len ) != 0 ) {
+ return( 0 ); /* not sure what else to do.... */
+ }
+ return( len );
+}
+
+
+char *
+LDAP_CALL
+ldap_first_attribute( LDAP *ld, LDAPMessage *entry, BerElement **ber )
+{
+ char *attr;
+ int err;
+ ber_len_t seqlength;
+
+ LDAPDebug( LDAP_DEBUG_TRACE, "ldap_first_attribute\n", 0, 0, 0 );
+
+ if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
+ return( NULL ); /* punt */
+ }
+
+ if ( ber == NULL || !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
+ LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
+ return( NULL );
+ }
+
+ if ( nsldapi_alloc_ber_with_options( ld, ber ) != LDAP_SUCCESS ) {
+ return( NULL );
+ }
+
+ **ber = *entry->lm_ber;
+
+ attr = NULL; /* pessimistic */
+ err = LDAP_DECODING_ERROR; /* ditto */
+
+ /*
+ * Skip past the sequence, dn, and sequence of sequence.
+ * Reset number of bytes remaining so we confine the rest of our
+ * decoding to the current sequence.
+ */
+ if ( ber_scanf( *ber, "{xl{", &seqlength ) != LBER_ERROR &&
+ ber_set_option( *ber, LBER_OPT_REMAINING_BYTES, &seqlength )
+ == 0 ) {
+ /* snarf the attribute type, and skip the set of values,
+ * leaving us positioned right before the next attribute
+ * type/value sequence.
+ */
+ if ( ber_scanf( *ber, "{ax}", &attr ) != LBER_ERROR ||
+ bytes_remaining( *ber ) == 0 ) {
+ err = LDAP_SUCCESS;
+ }
+ }
+
+ LDAP_SET_LDERRNO( ld, err, NULL, NULL );
+ if ( attr == NULL || err != LDAP_SUCCESS ) {
+ ber_free( *ber, 0 );
+ *ber = NULL;
+ }
+ return( attr );
+}
+
+/* ARGSUSED */
+char *
+LDAP_CALL
+ldap_next_attribute( LDAP *ld, LDAPMessage *entry, BerElement *ber )
+{
+ char *attr;
+ int err;
+
+ LDAPDebug( LDAP_DEBUG_TRACE, "ldap_next_attribute\n", 0, 0, 0 );
+
+ if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
+ return( NULL ); /* punt */
+ }
+
+ if ( ber == NULL || !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )) {
+ LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
+ return( NULL );
+ }
+
+ attr = NULL; /* pessimistic */
+ err = LDAP_DECODING_ERROR; /* ditto */
+
+ /* skip sequence, snarf attribute type, skip values */
+ if ( ber_scanf( ber, "{ax}", &attr ) != LBER_ERROR ||
+ bytes_remaining( ber ) == 0 ) {
+ err = LDAP_SUCCESS;
+ }
+
+ LDAP_SET_LDERRNO( ld, err, NULL, NULL );
+ return( attr );
+}