1/* $OpenLDAP$ */
2/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3 *
4 * Copyright 1999-2011 The OpenLDAP Foundation.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
9 * Public License.
10 *
11 * A copy of this license is available in file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
14 */
15/* ACKNOWLEDGEMENTS:
16 * This work was initially developed by Kurt Spanier for inclusion
17 * in OpenLDAP Software.
18 */
19
20#include "portable.h"
21
22#include <stdio.h>
23
24#include "ac/stdlib.h"
25
26#include "ac/ctype.h"
27#include "ac/param.h"
28#include "ac/socket.h"
29#include "ac/string.h"
30#include "ac/unistd.h"
31#include "ac/wait.h"
32
33#include "ldap.h"
34#include "lutil.h"
35
36#include "ldap_pvt.h"
37
38#include "slapd-common.h"
39
40#define LOOPS	100
41#define RETRIES	0
42
43static void
44do_read( char *uri, char *manager, struct berval *passwd,
45	char *entry, LDAP **ld,
46	char **attrs, int noattrs, int nobind, int maxloop,
47	int maxretries, int delay, int force, int chaserefs );
48
49static void
50do_random( char *uri, char *manager, struct berval *passwd,
51	char *sbase, char *filter, char **attrs, int noattrs, int nobind,
52	int innerloop, int maxretries, int delay, int force, int chaserefs );
53
54static void
55usage( char *name )
56{
57        fprintf( stderr,
58		"usage: %s "
59		"-H <uri> | ([-h <host>] -p <port>) "
60		"-D <manager> "
61		"-w <passwd> "
62		"-e <entry> "
63		"[-A] "
64		"[-C] "
65		"[-F] "
66		"[-N] "
67		"[-f filter] "
68		"[-i <ignore>] "
69		"[-l <loops>] "
70		"[-L <outerloops>] "
71		"[-r <maxretries>] "
72		"[-t <delay>] "
73		"[-T <attrs>] "
74		"[<attrs>] "
75		"\n",
76		name );
77	exit( EXIT_FAILURE );
78}
79
80/* -S: just send requests without reading responses
81 * -SS: send all requests asynchronous and immediately start reading responses
82 * -SSS: send all requests asynchronous; then read responses
83 */
84static int swamp;
85
86int
87main( int argc, char **argv )
88{
89	int		i;
90	char		*uri = NULL;
91	char		*host = "localhost";
92	int		port = -1;
93	char		*manager = NULL;
94	struct berval	passwd = { 0, NULL };
95	char		*entry = NULL;
96	char		*filter  = NULL;
97	int		loops = LOOPS;
98	int		outerloops = 1;
99	int		retries = RETRIES;
100	int		delay = 0;
101	int		force = 0;
102	int		chaserefs = 0;
103	char		*srchattrs[] = { "1.1", NULL };
104	char		**attrs = srchattrs;
105	int		noattrs = 0;
106	int		nobind = 0;
107
108	tester_init( "slapd-read", TESTER_READ );
109
110	/* by default, tolerate referrals and no such object */
111	tester_ignore_str2errlist( "REFERRAL,NO_SUCH_OBJECT" );
112
113	while ( (i = getopt( argc, argv, "ACD:e:Ff:H:h:i:L:l:p:r:St:T:w:" )) != EOF ) {
114		switch ( i ) {
115		case 'A':
116			noattrs++;
117			break;
118
119		case 'C':
120			chaserefs++;
121			break;
122
123		case 'H':		/* the server uri */
124			uri = strdup( optarg );
125			break;
126
127		case 'h':		/* the servers host */
128			host = strdup( optarg );
129			break;
130
131		case 'i':
132			tester_ignore_str2errlist( optarg );
133			break;
134
135		case 'N':
136			nobind++;
137			break;
138
139		case 'p':		/* the servers port */
140			if ( lutil_atoi( &port, optarg ) != 0 ) {
141				usage( argv[0] );
142			}
143			break;
144
145		case 'D':		/* the servers manager */
146			manager = strdup( optarg );
147			break;
148
149		case 'w':		/* the server managers password */
150			passwd.bv_val = strdup( optarg );
151			passwd.bv_len = strlen( optarg );
152			memset( optarg, '*', passwd.bv_len );
153			break;
154
155		case 'e':		/* DN to search for */
156			entry = strdup( optarg );
157			break;
158
159		case 'f':		/* the search request */
160			filter = strdup( optarg );
161			break;
162
163		case 'F':
164			force++;
165			break;
166
167		case 'l':		/* the number of loops */
168			if ( lutil_atoi( &loops, optarg ) != 0 ) {
169				usage( argv[0] );
170			}
171			break;
172
173		case 'L':		/* the number of outerloops */
174			if ( lutil_atoi( &outerloops, optarg ) != 0 ) {
175				usage( argv[0] );
176			}
177			break;
178
179		case 'r':		/* the number of retries */
180			if ( lutil_atoi( &retries, optarg ) != 0 ) {
181				usage( argv[0] );
182			}
183			break;
184
185		case 'S':
186			swamp++;
187			break;
188
189		case 't':		/* delay in seconds */
190			if ( lutil_atoi( &delay, optarg ) != 0 ) {
191				usage( argv[0] );
192			}
193			break;
194
195		case 'T':
196			attrs = ldap_str2charray( optarg, "," );
197			if ( attrs == NULL ) {
198				usage( argv[0] );
199			}
200			break;
201
202		default:
203			usage( argv[0] );
204			break;
205		}
206	}
207
208	if (( entry == NULL ) || ( port == -1 && uri == NULL ))
209		usage( argv[0] );
210
211	if ( *entry == '\0' ) {
212		fprintf( stderr, "%s: invalid EMPTY entry DN.\n",
213				argv[0] );
214		exit( EXIT_FAILURE );
215	}
216
217	if ( argv[optind] != NULL ) {
218		attrs = &argv[optind];
219	}
220
221	uri = tester_uri( uri, host, port );
222
223	for ( i = 0; i < outerloops; i++ ) {
224		if ( filter != NULL ) {
225			do_random( uri, manager, &passwd, entry, filter, attrs,
226				noattrs, nobind, loops, retries, delay, force,
227				chaserefs );
228
229		} else {
230			do_read( uri, manager, &passwd, entry, NULL, attrs,
231				noattrs, nobind, loops, retries, delay, force,
232				chaserefs );
233		}
234	}
235
236	exit( EXIT_SUCCESS );
237}
238
239static void
240do_random( char *uri, char *manager, struct berval *passwd,
241	char *sbase, char *filter, char **srchattrs, int noattrs, int nobind,
242	int innerloop, int maxretries, int delay, int force, int chaserefs )
243{
244	LDAP	*ld = NULL;
245	int  	i = 0, do_retry = maxretries;
246	char	*attrs[ 2 ];
247	int     rc = LDAP_SUCCESS;
248	int	version = LDAP_VERSION3;
249	int	nvalues = 0;
250	char	**values = NULL;
251	LDAPMessage *res = NULL, *e = NULL;
252
253	attrs[ 0 ] = LDAP_NO_ATTRS;
254	attrs[ 1 ] = NULL;
255
256	ldap_initialize( &ld, uri );
257	if ( ld == NULL ) {
258		tester_perror( "ldap_initialize", NULL );
259		exit( EXIT_FAILURE );
260	}
261
262	(void) ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
263	(void) ldap_set_option( ld, LDAP_OPT_REFERRALS,
264		chaserefs ? LDAP_OPT_ON : LDAP_OPT_OFF );
265
266	if ( do_retry == maxretries ) {
267		fprintf( stderr, "PID=%ld - Read(%d): base=\"%s\", filter=\"%s\".\n",
268				(long) pid, innerloop, sbase, filter );
269	}
270
271	if ( nobind == 0 ) {
272		rc = ldap_sasl_bind_s( ld, manager, LDAP_SASL_SIMPLE, passwd, NULL, NULL, NULL );
273		if ( rc != LDAP_SUCCESS ) {
274			tester_ldap_error( ld, "ldap_sasl_bind_s", NULL );
275			switch ( rc ) {
276			case LDAP_BUSY:
277			case LDAP_UNAVAILABLE:
278			/* fallthru */
279			default:
280				break;
281			}
282			exit( EXIT_FAILURE );
283		}
284	}
285
286	rc = ldap_search_ext_s( ld, sbase, LDAP_SCOPE_SUBTREE,
287		filter, attrs, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &res );
288	switch ( rc ) {
289	case LDAP_SIZELIMIT_EXCEEDED:
290	case LDAP_TIMELIMIT_EXCEEDED:
291	case LDAP_SUCCESS:
292		nvalues = ldap_count_entries( ld, res );
293		if ( nvalues == 0 ) {
294			if ( rc ) {
295				tester_ldap_error( ld, "ldap_search_ext_s", NULL );
296			}
297			break;
298		}
299
300		values = malloc( ( nvalues + 1 ) * sizeof( char * ) );
301		for ( i = 0, e = ldap_first_entry( ld, res ); e != NULL; i++, e = ldap_next_entry( ld, e ) )
302		{
303			values[ i ] = ldap_get_dn( ld, e );
304		}
305		values[ i ] = NULL;
306
307		ldap_msgfree( res );
308
309		if ( do_retry == maxretries ) {
310			fprintf( stderr, "  PID=%ld - Read base=\"%s\" filter=\"%s\" got %d values.\n",
311				(long) pid, sbase, filter, nvalues );
312		}
313
314		for ( i = 0; i < innerloop; i++ ) {
315#if 0	/* use high-order bits for better randomness (Numerical Recipes in "C") */
316			int	r = rand() % nvalues;
317#endif
318			int	r = ((double)nvalues)*rand()/(RAND_MAX + 1.0);
319
320			do_read( uri, manager, passwd, values[ r ], &ld,
321				srchattrs, noattrs, nobind, 1, maxretries,
322				delay, force, chaserefs );
323		}
324		free( values );
325		break;
326
327	default:
328		tester_ldap_error( ld, "ldap_search_ext_s", NULL );
329		break;
330	}
331
332	fprintf( stderr, "  PID=%ld - Read done (%d).\n", (long) pid, rc );
333
334	if ( ld != NULL ) {
335		ldap_unbind_ext( ld, NULL, NULL );
336	}
337}
338
339static void
340do_read( char *uri, char *manager, struct berval *passwd, char *entry,
341	LDAP **ldp, char **attrs, int noattrs, int nobind, int maxloop,
342	int maxretries, int delay, int force, int chaserefs )
343{
344	LDAP	*ld = ldp ? *ldp : NULL;
345	int  	i = 0, do_retry = maxretries;
346	int     rc = LDAP_SUCCESS;
347	int		version = LDAP_VERSION3;
348	int		*msgids = NULL, active = 0;
349
350	/* make room for msgid */
351	if ( swamp > 1 ) {
352		msgids = (int *)calloc( sizeof(int), maxloop );
353	}
354
355retry:;
356	if ( ld == NULL ) {
357		ldap_initialize( &ld, uri );
358		if ( ld == NULL ) {
359			tester_perror( "ldap_initialize", NULL );
360			exit( EXIT_FAILURE );
361		}
362
363		(void) ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
364		(void) ldap_set_option( ld, LDAP_OPT_REFERRALS,
365			chaserefs ? LDAP_OPT_ON : LDAP_OPT_OFF );
366
367		if ( do_retry == maxretries ) {
368			fprintf( stderr, "PID=%ld - Read(%d): entry=\"%s\".\n",
369				(long) pid, maxloop, entry );
370		}
371
372		if ( nobind == 0 ) {
373			rc = ldap_sasl_bind_s( ld, manager, LDAP_SASL_SIMPLE, passwd, NULL, NULL, NULL );
374			if ( rc != LDAP_SUCCESS ) {
375				tester_ldap_error( ld, "ldap_sasl_bind_s", NULL );
376				switch ( rc ) {
377				case LDAP_BUSY:
378				case LDAP_UNAVAILABLE:
379					if ( do_retry > 0 ) {
380						ldap_unbind_ext( ld, NULL, NULL );
381						ld = NULL;
382						do_retry--;
383						if ( delay != 0 ) {
384						    sleep( delay );
385						}
386						goto retry;
387					}
388				/* fallthru */
389				default:
390					break;
391				}
392				exit( EXIT_FAILURE );
393			}
394		}
395	}
396
397	if ( swamp > 1 ) {
398		do {
399			LDAPMessage *res = NULL;
400			int j, msgid;
401
402			if ( i < maxloop ) {
403				rc = ldap_search_ext( ld, entry, LDAP_SCOPE_BASE,
404						NULL, attrs, noattrs, NULL, NULL,
405						NULL, LDAP_NO_LIMIT, &msgids[i] );
406
407				active++;
408#if 0
409				fprintf( stderr,
410					">>> PID=%ld - Read maxloop=%d cnt=%d active=%d msgid=%d: "
411					"entry=\"%s\"\n",
412					(long) pid, maxloop, i, active, msgids[i],
413					entry );
414#endif
415				i++;
416
417				if ( rc ) {
418					char buf[BUFSIZ];
419					int first = tester_ignore_err( rc );
420					/* if ignore.. */
421					if ( first ) {
422						/* only log if first occurrence */
423						if ( ( force < 2 && first > 0 ) || abs(first) == 1 ) {
424							tester_ldap_error( ld, "ldap_search_ext", NULL );
425						}
426						continue;
427					}
428
429					/* busy needs special handling */
430					snprintf( buf, sizeof( buf ), "entry=\"%s\"\n", entry );
431					tester_ldap_error( ld, "ldap_search_ext", buf );
432					if ( rc == LDAP_BUSY && do_retry > 0 ) {
433						ldap_unbind_ext( ld, NULL, NULL );
434						ld = NULL;
435						do_retry--;
436						goto retry;
437					}
438					break;
439				}
440
441				if ( swamp > 2 ) {
442					continue;
443				}
444			}
445
446			rc = ldap_result( ld, LDAP_RES_ANY, 0, NULL, &res );
447			switch ( rc ) {
448			case -1:
449				/* gone really bad */
450#if 0
451				fprintf( stderr,
452					">>> PID=%ld - Read maxloop=%d cnt=%d active=%d: "
453					"entry=\"%s\" ldap_result()=%d\n",
454					(long) pid, maxloop, i, active, entry, rc );
455#endif
456				goto cleanup;
457
458			case 0:
459				/* timeout (impossible) */
460				break;
461
462			case LDAP_RES_SEARCH_ENTRY:
463			case LDAP_RES_SEARCH_REFERENCE:
464				/* ignore */
465				break;
466
467			case LDAP_RES_SEARCH_RESULT:
468				/* just remove, no error checking (TODO?) */
469				msgid = ldap_msgid( res );
470				ldap_parse_result( ld, res, &rc, NULL, NULL, NULL, NULL, 1 );
471				res = NULL;
472
473				/* linear search, bah */
474				for ( j = 0; j < i; j++ ) {
475					if ( msgids[ j ] == msgid ) {
476						msgids[ j ] = -1;
477						active--;
478#if 0
479						fprintf( stderr,
480							"<<< PID=%ld - ReadDone maxloop=%d cnt=%d active=%d msgid=%d: "
481							"entry=\"%s\"\n",
482							(long) pid, maxloop, j, active, msgid, entry );
483#endif
484						break;
485					}
486				}
487				break;
488
489			default:
490				/* other messages unexpected */
491				fprintf( stderr,
492					"### PID=%ld - Read(%d): "
493					"entry=\"%s\" attrs=%s%s. unexpected response tag=%d\n",
494					(long) pid, maxloop,
495					entry, attrs[0], attrs[1] ? " (more...)" : "", rc );
496				break;
497			}
498
499			if ( res != NULL ) {
500				ldap_msgfree( res );
501			}
502		} while ( i < maxloop || active > 0 );
503
504	} else {
505		for ( ; i < maxloop; i++ ) {
506			LDAPMessage *res = NULL;
507
508			if (swamp) {
509				int msgid;
510				rc = ldap_search_ext( ld, entry, LDAP_SCOPE_BASE,
511						NULL, attrs, noattrs, NULL, NULL,
512						NULL, LDAP_NO_LIMIT, &msgid );
513				if ( rc == LDAP_SUCCESS ) continue;
514				else break;
515			}
516
517			rc = ldap_search_ext_s( ld, entry, LDAP_SCOPE_BASE,
518					NULL, attrs, noattrs, NULL, NULL, NULL,
519					LDAP_NO_LIMIT, &res );
520			if ( res != NULL ) {
521				ldap_msgfree( res );
522			}
523
524			if ( rc ) {
525				int		first = tester_ignore_err( rc );
526				char		buf[ BUFSIZ ];
527
528				snprintf( buf, sizeof( buf ), "ldap_search_ext_s(%s)", entry );
529
530				/* if ignore.. */
531				if ( first ) {
532					/* only log if first occurrence */
533					if ( ( force < 2 && first > 0 ) || abs(first) == 1 ) {
534						tester_ldap_error( ld, buf, NULL );
535					}
536					continue;
537				}
538
539				/* busy needs special handling */
540				tester_ldap_error( ld, buf, NULL );
541				if ( rc == LDAP_BUSY && do_retry > 0 ) {
542					ldap_unbind_ext( ld, NULL, NULL );
543					ld = NULL;
544					do_retry--;
545					goto retry;
546				}
547				break;
548			}
549		}
550	}
551
552cleanup:;
553	if ( msgids != NULL ) {
554		free( msgids );
555	}
556
557	if ( ldp != NULL ) {
558		*ldp = ld;
559
560	} else {
561		fprintf( stderr, "  PID=%ld - Read done (%d).\n", (long) pid, rc );
562
563		if ( ld != NULL ) {
564			ldap_unbind_ext( ld, NULL, NULL );
565		}
566	}
567}
568
569