Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 837 insertions, 0 deletions

diff --git a/tests/progs/slapd-mtread.c b/tests/progs/slapd-mtread.c
new file mode 100644
index 0000000..5fca735
--- /dev/null
+++ b/tests/progs/slapd-mtread.c
@@ -0,0 +1,837 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 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 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 Spanier for inclusion
+ * in OpenLDAP Software.
+ */
+
+/*
+ * This tool is a MT reader.  It behaves like slapd-read however
+ * with one or more threads simultaneously using the same connection.
+ * If -M is enabled, then M threads will also perform write operations.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include "ldap_pvt_thread.h"
+
+#include "ac/stdlib.h"
+
+#include "ac/ctype.h"
+#include "ac/param.h"
+#include "ac/socket.h"
+#include "ac/string.h"
+#include "ac/unistd.h"
+#include "ac/wait.h"
+
+#include "ldap.h"
+#include "lutil.h"
+
+#include "ldap_pvt.h"
+
+#include "slapd-common.h"
+
+#define MAXCONN	512
+#define LOOPS	100
+#define RETRIES	0
+#define DEFAULT_BASE	"ou=people,dc=example,dc=com"
+
+static void
+do_conn( char *uri, char *manager, struct berval *passwd,
+	LDAP **ld, int nobind, int maxretries, int conn_num );
+
+static void
+do_read( LDAP *ld, char *entry,
+	char **attrs, int noattrs, int nobind, int maxloop,
+	int maxretries, int delay, int force, int chaserefs, int idx );
+
+static void
+do_random( LDAP *ld,
+	char *sbase, char *filter, char **attrs, int noattrs, int nobind,
+	int innerloop, int maxretries, int delay, int force, int chaserefs,
+	int idx );
+
+static void
+do_random2( LDAP *ld,
+	char *sbase, char *filter, char **attrs, int noattrs, int nobind,
+	int innerloop, int maxretries, int delay, int force, int chaserefs,
+	int idx );
+
+static void *
+do_onethread( void *arg );
+
+static void *
+do_onerwthread( void *arg );
+
+#define MAX_THREAD	1024
+/* Use same array for readers and writers, offset writers by MAX_THREAD */
+int	rt_pass[MAX_THREAD*2];
+int	rt_fail[MAX_THREAD*2];
+int	*rwt_pass = rt_pass + MAX_THREAD;
+int	*rwt_fail = rt_fail + MAX_THREAD;
+ldap_pvt_thread_t	rtid[MAX_THREAD*2], *rwtid = rtid + MAX_THREAD;
+
+/*
+ * Shared globals (command line args)
+ */
+LDAP		*ld = NULL;
+char		*entry = NULL;
+char		*filter  = NULL;
+int		loops = LOOPS;
+int		outerloops = 1;
+int		retries = RETRIES;
+int		delay = 0;
+int		force = 0;
+int		chaserefs = 0;
+char		*srchattrs[] = { "1.1", NULL };
+char		**attrs = srchattrs;
+int		noattrs = 0;
+int		nobind = 0;
+int		threads = 1;
+int		rwthreads = 0;
+int		verbose = 0;
+
+int		noconns = 1;
+LDAP		**lds = NULL;
+
+static void
+thread_error(int idx, char *string)
+{
+	char		thrstr[BUFSIZ];
+
+	snprintf(thrstr, BUFSIZ, "error on tidx: %d: %s", idx, string);
+	tester_error( thrstr );
+}
+
+static void
+thread_output(int idx, char *string)
+{
+	char		thrstr[BUFSIZ];
+
+	snprintf(thrstr, BUFSIZ, "tidx: %d says: %s", idx, string);
+	tester_error( thrstr );
+}
+
+static void
+thread_verbose(int idx, char *string)
+{
+	char		thrstr[BUFSIZ];
+
+	if (!verbose)
+		return;
+	snprintf(thrstr, BUFSIZ, "tidx: %d says: %s", idx, string);
+	tester_error( thrstr );
+}
+
+static void
+usage( char *name )
+{
+        fprintf( stderr,
+		"usage: %s "
+		"-H <uri> | ([-h <host>] -p <port>) "
+		"-D <manager> "
+		"-w <passwd> "
+		"-e <entry> "
+		"[-A] "
+		"[-C] "
+		"[-F] "
+		"[-N] "
+		"[-v] "
+		"[-c connections] "
+		"[-f filter] "
+		"[-i <ignore>] "
+		"[-l <loops>] "
+		"[-L <outerloops>] "
+		"[-m threads] "
+		"[-M threads] "
+		"[-r <maxretries>] "
+		"[-t <delay>] "
+		"[-T <attrs>] "
+		"[<attrs>] "
+		"\n",
+		name );
+	exit( EXIT_FAILURE );
+}
+
+int
+main( int argc, char **argv )
+{
+	int		i;
+	char		*uri = NULL;
+	char		*host = "localhost";
+	int		port = -1;
+	char		*manager = NULL;
+	struct berval	passwd = { 0, NULL };
+	char		outstr[BUFSIZ];
+	int		ptpass;
+	int		testfail = 0;
+
+
+	tester_init( "slapd-mtread", TESTER_READ );
+
+	/* by default, tolerate referrals and no such object */
+	tester_ignore_str2errlist( "REFERRAL,NO_SUCH_OBJECT" );
+
+	while ( (i = getopt( argc, argv, "ACc:D:e:Ff:H:h:i:L:l:M:m:Np:r:t:T:w:v" )) != EOF ) {
+		switch ( i ) {
+		case 'A':
+			noattrs++;
+			break;
+
+		case 'C':
+			chaserefs++;
+			break;
+
+		case 'H':		/* the server uri */
+			uri = strdup( optarg );
+			break;
+
+		case 'h':		/* the servers host */
+			host = strdup( optarg );
+			break;
+
+		case 'i':
+			tester_ignore_str2errlist( optarg );
+			break;
+
+		case 'N':
+			nobind++;
+			break;
+
+		case 'v':
+			verbose++;
+			break;
+
+		case 'p':		/* the servers port */
+			if ( lutil_atoi( &port, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			break;
+
+		case 'D':		/* the servers manager */
+			manager = strdup( optarg );
+			break;
+
+		case 'w':		/* the server managers password */
+			passwd.bv_val = strdup( optarg );
+			passwd.bv_len = strlen( optarg );
+			memset( optarg, '*', passwd.bv_len );
+			break;
+
+		case 'c':		/* the number of connections */
+			if ( lutil_atoi( &noconns, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			break;
+
+		case 'e':		/* DN to search for */
+			entry = strdup( optarg );
+			break;
+
+		case 'f':		/* the search request */
+			filter = strdup( optarg );
+			break;
+
+		case 'F':
+			force++;
+			break;
+
+		case 'l':		/* the number of loops */
+			if ( lutil_atoi( &loops, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			break;
+
+		case 'L':		/* the number of outerloops */
+			if ( lutil_atoi( &outerloops, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			break;
+
+		case 'M':		/* the number of R/W threads */
+			if ( lutil_atoi( &rwthreads, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			if (rwthreads > MAX_THREAD)
+				rwthreads = MAX_THREAD;
+			break;
+
+		case 'm':		/* the number of threads */
+			if ( lutil_atoi( &threads, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			if (threads > MAX_THREAD)
+				threads = MAX_THREAD;
+			break;
+
+		case 'r':		/* the number of retries */
+			if ( lutil_atoi( &retries, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			break;
+
+		case 't':		/* delay in seconds */
+			if ( lutil_atoi( &delay, optarg ) != 0 ) {
+				usage( argv[0] );
+			}
+			break;
+
+		case 'T':
+			attrs = ldap_str2charray( optarg, "," );
+			if ( attrs == NULL ) {
+				usage( argv[0] );
+			}
+			break;
+
+		default:
+			usage( argv[0] );
+			break;
+		}
+	}
+
+	if (( entry == NULL ) || ( port == -1 && uri == NULL ))
+		usage( argv[0] );
+
+	if ( *entry == '\0' ) {
+		fprintf( stderr, "%s: invalid EMPTY entry DN.\n",
+				argv[0] );
+		exit( EXIT_FAILURE );
+	}
+
+	if ( argv[optind] != NULL ) {
+		attrs = &argv[optind];
+	}
+
+	if (noconns < 1)
+		noconns = 1;
+	if (noconns > MAXCONN)
+		noconns = MAXCONN;
+	lds = (LDAP **) calloc( sizeof(LDAP *), noconns);
+	if (lds == NULL) {
+		fprintf( stderr, "%s: Memory error: calloc noconns.\n",
+				argv[0] );
+		exit( EXIT_FAILURE );
+	}
+
+	uri = tester_uri( uri, host, port );
+	/* One connection and one connection only */
+	do_conn( uri, manager, &passwd, &ld, nobind, retries, 0 );
+	lds[0] = ld;
+	for(i = 1; i < noconns; i++) {
+		do_conn( uri, manager, &passwd, &lds[i], nobind, retries, i );
+	}
+
+	ldap_pvt_thread_initialize();
+
+	snprintf(outstr, BUFSIZ, "MT Test Start: conns: %d (%s)", noconns, uri);
+	tester_error(outstr);
+	snprintf(outstr, BUFSIZ, "Threads: RO: %d RW: %d", threads, rwthreads);
+	tester_error(outstr);
+
+	/* Set up read only threads */
+	for ( i = 0; i < threads; i++ ) {
+		ldap_pvt_thread_create( &rtid[i], 0, do_onethread, &rtid[i]);
+		snprintf(outstr, BUFSIZ, "Created RO thread %d", i);
+		thread_verbose(-1, outstr);
+	}
+	/* Set up read/write threads */
+	for ( i = 0; i < rwthreads; i++ ) {
+		ldap_pvt_thread_create( &rwtid[i], 0, do_onerwthread, &rwtid[i]);
+		snprintf(outstr, BUFSIZ, "Created RW thread %d", i + MAX_THREAD);
+		thread_verbose(-1, outstr);
+	}
+
+	ptpass =  outerloops * loops;
+
+	/* wait for read only threads to complete */
+	for ( i = 0; i < threads; i++ )
+		ldap_pvt_thread_join(rtid[i], NULL);
+	/* wait for read/write threads to complete */
+	for ( i = 0; i < rwthreads; i++ )
+		ldap_pvt_thread_join(rwtid[i], NULL);
+
+	for(i = 0; i < noconns; i++) {
+		if ( lds[i] != NULL ) {
+			ldap_unbind_ext( lds[i], NULL, NULL );
+		}
+	}
+	free( lds );
+
+	for ( i = 0; i < threads; i++ ) {
+		snprintf(outstr, BUFSIZ, "RO thread %d pass=%d fail=%d", i,
+			rt_pass[i], rt_fail[i]);
+		tester_error(outstr);
+		if (rt_fail[i] != 0 || rt_pass[i] != ptpass) {
+			snprintf(outstr, BUFSIZ, "FAIL RO thread %d", i);
+			tester_error(outstr);
+			testfail++;
+		}
+	}
+	for ( i = 0; i < rwthreads; i++ ) {
+		snprintf(outstr, BUFSIZ, "RW thread %d pass=%d fail=%d", i + MAX_THREAD,
+			rwt_pass[i], rwt_fail[i]);
+		tester_error(outstr);
+		if (rwt_fail[i] != 0 || rwt_pass[i] != ptpass) {
+			snprintf(outstr, BUFSIZ, "FAIL RW thread %d", i);
+			tester_error(outstr);
+			testfail++;
+		}
+	}
+	snprintf(outstr, BUFSIZ, "MT Test complete" );
+	tester_error(outstr);
+
+	if (testfail)
+		exit( EXIT_FAILURE );
+	exit( EXIT_SUCCESS );
+}
+
+static void *
+do_onethread( void *arg )
+{
+	int		i, j, thisconn;
+	LDAP		**mlds;
+	char		thrstr[BUFSIZ];
+	int		rc, refcnt = 0;
+	int		idx = (ldap_pvt_thread_t *)arg - rtid;
+
+	mlds = (LDAP **) calloc( sizeof(LDAP *), noconns);
+	if (mlds == NULL) {
+		thread_error( idx, "Memory error: thread calloc for noconns" );
+		exit( EXIT_FAILURE );
+	}
+
+	for ( j = 0; j < outerloops; j++ ) {
+		for(i = 0; i < noconns; i++) {
+			mlds[i] = ldap_dup(lds[i]);
+			if (mlds[i] == NULL) {
+				thread_error( idx, "ldap_dup error" );
+			}
+		}
+		rc = ldap_get_option(mlds[0], LDAP_OPT_SESSION_REFCNT, &refcnt);
+		snprintf(thrstr, BUFSIZ,
+			"RO Thread conns: %d refcnt: %d (rc = %d)",
+			noconns, refcnt, rc);
+		thread_verbose(idx, thrstr);
+
+		thisconn = (idx + j) % noconns;
+		if (thisconn < 0 || thisconn >= noconns)
+			thisconn = 0;
+		if (mlds[thisconn] == NULL) {
+			thread_error( idx, "(failed to dup)");
+			tester_perror( "ldap_dup", "(failed to dup)" );
+			exit( EXIT_FAILURE );
+		}
+		snprintf(thrstr, BUFSIZ, "Using conn %d", thisconn);
+		thread_verbose(idx, thrstr);
+		if ( filter != NULL ) {
+			if (strchr(filter, '['))
+				do_random2( mlds[thisconn], entry, filter, attrs,
+					noattrs, nobind, loops, retries, delay, force,
+					chaserefs, idx );
+			else
+				do_random( mlds[thisconn], entry, filter, attrs,
+					noattrs, nobind, loops, retries, delay, force,
+					chaserefs, idx );
+
+		} else {
+			do_read( mlds[thisconn], entry, attrs,
+				noattrs, nobind, loops, retries, delay, force,
+				chaserefs, idx );
+		}
+		for(i = 0; i < noconns; i++) {
+			(void) ldap_destroy(mlds[i]);
+			mlds[i] = NULL;
+		}
+	}
+	free( mlds );
+	return( NULL );
+}
+
+static void *
+do_onerwthread( void *arg )
+{
+	int		i, j, thisconn;
+	LDAP		**mlds, *ld;
+	char		thrstr[BUFSIZ];
+	char		dn[256], uids[32], cns[32], *base;
+	LDAPMod		*attrp[5], attrs[4];
+	char		*oc_vals[] = { "top", "OpenLDAPperson", NULL };
+	char		*cn_vals[] = { NULL, NULL };
+	char		*sn_vals[] = { NULL, NULL };
+	char		*uid_vals[] = { NULL, NULL };
+	int		ret;
+	int		adds = 0;
+	int		dels = 0;
+	int		rc, refcnt = 0;
+	int		idx = (ldap_pvt_thread_t *)arg - rtid;
+
+	mlds = (LDAP **) calloc( sizeof(LDAP *), noconns);
+	if (mlds == NULL) {
+		thread_error( idx, "Memory error: thread calloc for noconns" );
+		exit( EXIT_FAILURE );
+	}
+
+	snprintf(uids, sizeof(uids), "rwtest%04d", idx);
+	snprintf(cns, sizeof(cns), "rwtest%04d", idx);
+	/* add setup */
+	for (i = 0; i < 4; i++) {
+		attrp[i] = &attrs[i];
+		attrs[i].mod_op = 0;
+	}
+	attrp[4] = NULL;
+	attrs[0].mod_type = "objectClass";
+	attrs[0].mod_values = oc_vals;
+	attrs[1].mod_type = "cn";
+	attrs[1].mod_values = cn_vals;
+	cn_vals[0] = &cns[0];
+	attrs[2].mod_type = "sn";
+	attrs[2].mod_values = sn_vals;
+	sn_vals[0] = &cns[0];
+	attrs[3].mod_type = "uid";
+	attrs[3].mod_values = uid_vals;
+	uid_vals[0] = &uids[0];
+
+	for ( j = 0; j < outerloops; j++ ) {
+		for(i = 0; i < noconns; i++) {
+			mlds[i] = ldap_dup(lds[i]);
+			if (mlds[i] == NULL) {
+				thread_error( idx, "ldap_dup error" );
+			}
+		}
+		rc = ldap_get_option(mlds[0], LDAP_OPT_SESSION_REFCNT, &refcnt);
+		snprintf(thrstr, BUFSIZ,
+			"RW Thread conns: %d refcnt: %d (rc = %d)",
+			noconns, refcnt, rc);
+		thread_verbose(idx, thrstr);
+
+		thisconn = (idx + j) % noconns;
+		if (thisconn < 0 || thisconn >= noconns)
+			thisconn = 0;
+		if (mlds[thisconn] == NULL) {
+			thread_error( idx, "(failed to dup)");
+			tester_perror( "ldap_dup", "(failed to dup)" );
+			exit( EXIT_FAILURE );
+		}
+		snprintf(thrstr, BUFSIZ, "START RW Thread using conn %d", thisconn);
+		thread_verbose(idx, thrstr);
+
+		ld = mlds[thisconn];
+		if (entry != NULL)
+			base = entry;
+		else
+			base = DEFAULT_BASE;
+		snprintf(dn, 256, "cn=%s,%s", cns, base);
+
+		adds = 0;
+		dels = 0;
+		for (i = 0; i < loops; i++) {
+			ret = ldap_add_ext_s(ld, dn, &attrp[0], NULL, NULL);
+			if (ret == LDAP_SUCCESS) {
+				adds++;
+				ret = ldap_delete_ext_s(ld, dn, NULL, NULL);
+				if (ret == LDAP_SUCCESS) {
+					dels++;
+					rt_pass[idx]++;
+				} else {
+					thread_output(idx, ldap_err2string(ret));
+					rt_fail[idx]++;
+				}
+			} else {
+				thread_output(idx, ldap_err2string(ret));
+				rt_fail[idx]++;
+			}
+		}
+
+		snprintf(thrstr, BUFSIZ,
+			"INNER STOP RW Thread using conn %d (%d/%d)",
+			thisconn, adds, dels);
+		thread_verbose(idx, thrstr);
+
+		for(i = 0; i < noconns; i++) {
+			(void) ldap_destroy(mlds[i]);
+			mlds[i] = NULL;
+		}
+	}
+
+	free( mlds );
+	return( NULL );
+}
+
+static void
+do_conn( char *uri, char *manager, struct berval *passwd,
+	LDAP **ldp, int nobind, int maxretries, int conn_num )
+{
+	LDAP	*ld = NULL;
+	int	version = LDAP_VERSION3;
+	int  	do_retry = maxretries;
+	int     rc = LDAP_SUCCESS;
+	char	thrstr[BUFSIZ];
+
+retry:;
+	ldap_initialize( &ld, uri );
+	if ( ld == NULL ) {
+		snprintf( thrstr, BUFSIZ, "connection: %d", conn_num );
+		tester_error( thrstr );
+		tester_perror( "ldap_initialize", NULL );
+		exit( EXIT_FAILURE );
+	}
+
+	(void) ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version ); 
+	(void) ldap_set_option( ld, LDAP_OPT_REFERRALS,
+		chaserefs ? LDAP_OPT_ON : LDAP_OPT_OFF );
+
+	if ( do_retry == maxretries ) {
+		snprintf( thrstr, BUFSIZ, "do_conn #%d\n", conn_num );
+		thread_verbose( -1, thrstr );
+	}
+
+	if ( nobind == 0 ) {
+		rc = ldap_sasl_bind_s( ld, manager, LDAP_SASL_SIMPLE, passwd, NULL, NULL, NULL );
+		if ( rc != LDAP_SUCCESS ) {
+			snprintf( thrstr, BUFSIZ, "connection: %d", conn_num );
+			tester_error( thrstr );
+			tester_ldap_error( ld, "ldap_sasl_bind_s", NULL );
+			switch ( rc ) {
+			case LDAP_BUSY:
+			case LDAP_UNAVAILABLE:
+				if ( do_retry > 0 ) {
+					ldap_unbind_ext( ld, NULL, NULL );
+					ld = NULL;
+					do_retry--;
+					if ( delay != 0 ) {
+					    sleep( delay );
+					}
+					goto retry;
+				}
+			/* fallthru */
+			default:
+				break;
+			}
+			exit( EXIT_FAILURE );
+		}
+	}
+	*ldp = ld;
+}
+
+static void
+do_random( LDAP *ld,
+	char *sbase, char *filter, char **srchattrs, int noattrs, int nobind,
+	int innerloop, int maxretries, int delay, int force, int chaserefs,
+	int idx )
+{
+	int  	i = 0, do_retry = maxretries;
+	char	*attrs[ 2 ];
+	int     rc = LDAP_SUCCESS;
+	int	nvalues = 0;
+	char	**values = NULL;
+	LDAPMessage *res = NULL, *e = NULL;
+	char	thrstr[BUFSIZ];
+
+	attrs[ 0 ] = LDAP_NO_ATTRS;
+	attrs[ 1 ] = NULL;
+
+	snprintf( thrstr, BUFSIZ,
+			"Read(%d): base=\"%s\", filter=\"%s\".\n",
+			innerloop, sbase, filter );
+	thread_verbose( idx, thrstr );
+
+	rc = ldap_search_ext_s( ld, sbase, LDAP_SCOPE_SUBTREE,
+		filter, attrs, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &res );
+	switch ( rc ) {
+	case LDAP_SIZELIMIT_EXCEEDED:
+	case LDAP_TIMELIMIT_EXCEEDED:
+	case LDAP_SUCCESS:
+		nvalues = ldap_count_entries( ld, res );
+		if ( nvalues == 0 ) {
+			if ( rc ) {
+				tester_ldap_error( ld, "ldap_search_ext_s", NULL );
+			}
+			break;
+		}
+
+		values = malloc( ( nvalues + 1 ) * sizeof( char * ) );
+		for ( i = 0, e = ldap_first_entry( ld, res ); e != NULL; i++, e = ldap_next_entry( ld, e ) )
+		{
+			values[ i ] = ldap_get_dn( ld, e );
+		}
+		values[ i ] = NULL;
+
+		ldap_msgfree( res );
+
+		if ( do_retry == maxretries ) {
+			snprintf( thrstr, BUFSIZ,
+				"Read base=\"%s\" filter=\"%s\" got %d values.\n",
+				sbase, filter, nvalues );
+			thread_verbose( idx, thrstr );
+		}
+
+		for ( i = 0; i < innerloop; i++ ) {
+			int	r = ((double)nvalues)*rand()/(RAND_MAX + 1.0);
+
+			do_read( ld, values[ r ],
+				srchattrs, noattrs, nobind, 1, maxretries,
+				delay, force, chaserefs, idx );
+		}
+		for( i = 0; i < nvalues; i++) {
+			if (values[i] != NULL)
+				ldap_memfree( values[i] );
+		}
+		free( values );
+		break;
+
+	default:
+		tester_ldap_error( ld, "ldap_search_ext_s", NULL );
+		break;
+	}
+
+	snprintf( thrstr, BUFSIZ, "Search done (%d).\n", rc );
+	thread_verbose( idx, thrstr );
+}
+
+/* substitute a generated int into the filter */
+static void
+do_random2( LDAP *ld,
+	char *sbase, char *filter, char **srchattrs, int noattrs, int nobind,
+	int innerloop, int maxretries, int delay, int force, int chaserefs,
+	int idx )
+{
+	int  	i = 0, do_retry = maxretries;
+	int     rc = LDAP_SUCCESS;
+	int		lo, hi, range;
+	int	flen;
+	LDAPMessage *res = NULL;
+	char	*ptr, *ftail;
+	char	thrstr[BUFSIZ];
+	char	fbuf[BUFSIZ];
+
+	snprintf( thrstr, BUFSIZ,
+			"Read(%d): base=\"%s\", filter=\"%s\".\n",
+			innerloop, sbase, filter );
+	thread_verbose( idx, thrstr );
+
+	ptr = strchr(filter, '[');
+	if (!ptr)
+		return;
+	ftail = strchr(filter, ']');
+	if (!ftail || ftail < ptr)
+		return;
+
+	sscanf(ptr, "[%d-%d]", &lo, &hi);
+	range = hi - lo + 1;
+
+	flen = ptr - filter;
+	ftail++;
+
+	for ( i = 0; i < innerloop; i++ ) {
+		int	r = ((double)range)*rand()/(RAND_MAX + 1.0);
+		sprintf(fbuf, "%.*s%d%s", flen, filter, r, ftail);
+
+		rc = ldap_search_ext_s( ld, sbase, LDAP_SCOPE_SUBTREE,
+				fbuf, srchattrs, noattrs, NULL, NULL, NULL,
+				LDAP_NO_LIMIT, &res );
+		if ( res != NULL ) {
+			ldap_msgfree( res );
+		}
+		if ( rc == 0 ) {
+			rt_pass[idx]++;
+		} else {
+			int		first = tester_ignore_err( rc );
+			char		buf[ BUFSIZ ];
+
+			rt_fail[idx]++;
+			snprintf( buf, sizeof( buf ), "ldap_search_ext_s(%s)", entry );
+
+			/* if ignore.. */
+			if ( first ) {
+				/* only log if first occurrence */
+				if ( ( force < 2 && first > 0 ) || abs(first) == 1 ) {
+					tester_ldap_error( ld, buf, NULL );
+				}
+				continue;
+			}
+
+			/* busy needs special handling */
+			tester_ldap_error( ld, buf, NULL );
+			if ( rc == LDAP_BUSY && do_retry > 0 ) {
+				do_retry--;
+				continue;
+			}
+			break;
+		}
+	}
+
+	snprintf( thrstr, BUFSIZ, "Search done (%d).\n", rc );
+	thread_verbose( idx, thrstr );
+}
+
+static void
+do_read( LDAP *ld, char *entry,
+	char **attrs, int noattrs, int nobind, int maxloop,
+	int maxretries, int delay, int force, int chaserefs, int idx )
+{
+	int  	i = 0, do_retry = maxretries;
+	int     rc = LDAP_SUCCESS;
+	char	thrstr[BUFSIZ];
+
+retry:;
+	if ( do_retry == maxretries ) {
+		snprintf( thrstr, BUFSIZ, "Read(%d): entry=\"%s\".\n",
+			maxloop, entry );
+		thread_verbose( idx, thrstr );
+	}
+
+	snprintf(thrstr, BUFSIZ, "LD %p cnt: %d (retried %d) (%s)", \
+		 (void *) ld, maxloop, (do_retry - maxretries), entry);
+	thread_verbose( idx, thrstr );
+
+	for ( ; i < maxloop; i++ ) {
+		LDAPMessage *res = NULL;
+
+		rc = ldap_search_ext_s( ld, entry, LDAP_SCOPE_BASE,
+				NULL, attrs, noattrs, NULL, NULL, NULL,
+				LDAP_NO_LIMIT, &res );
+		if ( res != NULL ) {
+			ldap_msgfree( res );
+		}
+
+		if ( rc == 0 ) {
+			rt_pass[idx]++;
+		} else {
+			int		first = tester_ignore_err( rc );
+			char		buf[ BUFSIZ ];
+
+			rt_fail[idx]++;
+			snprintf( buf, sizeof( buf ), "ldap_search_ext_s(%s)", entry );
+
+			/* if ignore.. */
+			if ( first ) {
+				/* only log if first occurrence */
+				if ( ( force < 2 && first > 0 ) || abs(first) == 1 ) {
+					tester_ldap_error( ld, buf, NULL );
+				}
+				continue;
+			}
+
+			/* busy needs special handling */
+			tester_ldap_error( ld, buf, NULL );
+			if ( rc == LDAP_BUSY && do_retry > 0 ) {
+				do_retry--;
+				goto retry;
+			}
+			break;
+		}
+	}
+}