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diff --git a/servers/slapd/slapcat.c b/servers/slapd/slapcat.c
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * Portions Copyright 2003 IBM Corporation.
+ * 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 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 Kurt Zeilenga for inclusion
+ * in OpenLDAP Software. Additional signficant contributors include
+ * Jong Hyuk Choi
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+#include <ac/ctype.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+
+#include "slapcommon.h"
+#include "ldif.h"
+
+static volatile sig_atomic_t gotsig;
+
+static RETSIGTYPE
+slapcat_sig( int sig )
+{
+ gotsig=1;
+}
+
+int
+slapcat( int argc, char **argv )
+{
+ ID id;
+ int rc = EXIT_SUCCESS;
+ Operation op = {0};
+ const char *progname = "slapcat";
+ int requestBSF;
+ int doBSF = 0;
+
+ slap_tool_init( progname, SLAPCAT, argc, argv );
+
+ requestBSF = ( sub_ndn.bv_len || filter );
+
+#ifdef SIGPIPE
+ (void) SIGNAL( SIGPIPE, slapcat_sig );
+#endif
+#ifdef SIGHUP
+ (void) SIGNAL( SIGHUP, slapcat_sig );
+#endif
+ (void) SIGNAL( SIGINT, slapcat_sig );
+ (void) SIGNAL( SIGTERM, slapcat_sig );
+
+ if( !be->be_entry_open ||
+ !be->be_entry_close ||
+ !( be->be_entry_first_x || be->be_entry_first ) ||
+ !be->be_entry_next ||
+ !be->be_entry_get )
+ {
+ fprintf( stderr, "%s: database doesn't support necessary operations.\n",
+ progname );
+ exit( EXIT_FAILURE );
+ }
+
+ if( be->be_entry_open( be, 0 ) != 0 ) {
+ fprintf( stderr, "%s: could not open database.\n",
+ progname );
+ exit( EXIT_FAILURE );
+ }
+
+ op.o_bd = be;
+ if ( !requestBSF && be->be_entry_first ) {
+ id = be->be_entry_first( be );
+
+ } else {
+ if ( be->be_entry_first_x ) {
+ id = be->be_entry_first_x( be,
+ sub_ndn.bv_len ? &sub_ndn : NULL, scope, filter );
+
+ } else {
+ assert( be->be_entry_first != NULL );
+ doBSF = 1;
+ id = be->be_entry_first( be );
+ }
+ }
+
+ for ( ; id != NOID; id = be->be_entry_next( be ) )
+ {
+ char *data;
+ int len;
+ Entry* e;
+
+ if ( gotsig )
+ break;
+
+ e = be->be_entry_get( be, id );
+ if ( e == NULL ) {
+ printf("# no data for entry id=%08lx\n\n", (long) id );
+ rc = EXIT_FAILURE;
+ if ( continuemode == 0 ) {
+ break;
+
+ } else if ( continuemode == 1 ) {
+ continue;
+ }
+
+ /* this is a last resort: linearly scan all ids
+ * trying to recover as much as possible (ITS#6482) */
+ while ( ++id != NOID ) {
+ e = be->be_entry_get( be, id );
+ if ( e != NULL ) break;
+ printf("# no data for entry id=%08lx\n\n", (long) id );
+ }
+
+ if ( e == NULL ) break;
+ }
+
+ if ( doBSF ) {
+ if ( sub_ndn.bv_len && !dnIsSuffixScope( &e->e_nname, &sub_ndn, scope ) )
+ {
+ be_entry_release_r( &op, e );
+ continue;
+ }
+
+
+ if ( filter != NULL ) {
+ int rc = test_filter( NULL, e, filter );
+ if ( rc != LDAP_COMPARE_TRUE ) {
+ be_entry_release_r( &op, e );
+ continue;
+ }
+ }
+ }
+
+ if ( verbose ) {
+ printf( "# id=%08lx\n", (long) id );
+ }
+
+ data = entry2str_wrap( e, &len, ldif_wrap );
+ be_entry_release_r( &op, e );
+
+ if ( data == NULL ) {
+ printf("# bad data for entry id=%08lx\n\n", (long) id );
+ rc = EXIT_FAILURE;
+ if( continuemode ) continue;
+ break;
+ }
+
+ if ( fputs( data, ldiffp->fp ) == EOF ||
+ fputs( "\n", ldiffp->fp ) == EOF ) {
+ fprintf(stderr, "%s: error writing output.\n",
+ progname);
+ rc = EXIT_FAILURE;
+ break;
+ }
+ }
+
+ be->be_entry_close( be );
+
+ if ( slap_tool_destroy())
+ rc = EXIT_FAILURE;
+ return rc;
+}