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-rw-r--r--servers/slapd/back-sock/compare.c88
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diff --git a/servers/slapd/back-sock/compare.c b/servers/slapd/back-sock/compare.c
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+++ b/servers/slapd/back-sock/compare.c
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+/* compare.c - sock backend compare function */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 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 Brian Candler for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+#include "back-sock.h"
+#include "ldif.h"
+
+int
+sock_back_compare(
+ Operation *op,
+ SlapReply *rs )
+{
+ struct sockinfo *si = (struct sockinfo *) op->o_bd->be_private;
+ AttributeDescription *entry = slap_schema.si_ad_entry;
+ Entry e;
+ FILE *fp;
+ char *text;
+
+ e.e_id = NOID;
+ e.e_name = op->o_req_dn;
+ e.e_nname = op->o_req_ndn;
+ e.e_attrs = NULL;
+ e.e_ocflags = 0;
+ e.e_bv.bv_len = 0;
+ e.e_bv.bv_val = NULL;
+ e.e_private = NULL;
+
+ if ( ! access_allowed( op, &e,
+ entry, NULL, ACL_COMPARE, NULL ) )
+ {
+ send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
+ return -1;
+ }
+
+ if ( (fp = opensock( si->si_sockpath )) == NULL ) {
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "could not open socket" );
+ return( -1 );
+ }
+
+ /* write out the request to the compare process */
+ fprintf( fp, "COMPARE\n" );
+ fprintf( fp, "msgid: %ld\n", (long) op->o_msgid );
+ sock_print_conn( fp, op->o_conn, si );
+ sock_print_suffixes( fp, op->o_bd );
+ fprintf( fp, "dn: %s\n", op->o_req_dn.bv_val );
+ /* could be binary */
+ text = ldif_put_wrap( LDIF_PUT_VALUE,
+ op->orc_ava->aa_desc->ad_cname.bv_val,
+ op->orc_ava->aa_value.bv_val,
+ op->orc_ava->aa_value.bv_len, LDIF_LINE_WIDTH_MAX );
+ if ( text ) {
+ fprintf( fp, "%s\n", text );
+ ber_memfree( text );
+ } else {
+ fprintf( fp, "\n\n" );
+ }
+
+ /* read in the result and send it along */
+ sock_read_and_send_results( op, rs, fp );
+
+ fclose( fp );
+ return( 0 );
+}