1/* accesslog.c - log operations for audit/history purposes */
2/* $OpenLDAP$ */
3/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 *
5 * Copyright 2005-2011 The OpenLDAP Foundation.
6 * Portions copyright 2004-2005 Symas Corporation.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
11 * Public License.
12 *
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
16 */
17/* ACKNOWLEDGEMENTS:
18 * This work was initially developed by Howard Chu for inclusion in
19 * OpenLDAP Software.
20 */
21
22#include "portable.h"
23
24#ifdef SLAPD_OVER_ACCESSLOG
25
26#include <stdio.h>
27
28#include <ac/string.h>
29#include <ac/ctype.h>
30
31#include "slap.h"
32#include "config.h"
33#include "lutil.h"
34#include "ldap_rq.h"
35
36#define LOG_OP_ADD	0x001
37#define LOG_OP_DELETE	0x002
38#define	LOG_OP_MODIFY	0x004
39#define LOG_OP_MODRDN	0x008
40#define	LOG_OP_COMPARE	0x010
41#define	LOG_OP_SEARCH	0x020
42#define LOG_OP_BIND	0x040
43#define LOG_OP_UNBIND	0x080
44#define	LOG_OP_ABANDON	0x100
45#define	LOG_OP_EXTENDED	0x200
46#define LOG_OP_UNKNOWN	0x400
47
48#define	LOG_OP_WRITES	(LOG_OP_ADD|LOG_OP_DELETE|LOG_OP_MODIFY|LOG_OP_MODRDN)
49#define	LOG_OP_READS	(LOG_OP_COMPARE|LOG_OP_SEARCH)
50#define	LOG_OP_SESSION	(LOG_OP_BIND|LOG_OP_UNBIND|LOG_OP_ABANDON)
51#define LOG_OP_ALL		(LOG_OP_READS|LOG_OP_WRITES|LOG_OP_SESSION| \
52	LOG_OP_EXTENDED|LOG_OP_UNKNOWN)
53
54typedef struct log_attr {
55	struct log_attr *next;
56	AttributeDescription *attr;
57} log_attr;
58
59typedef struct log_base {
60	struct log_base *lb_next;
61	slap_mask_t lb_ops;
62	struct berval lb_base;
63	struct berval lb_line;
64} log_base;
65
66typedef struct log_info {
67	BackendDB *li_db;
68	struct berval li_db_suffix;
69	slap_mask_t li_ops;
70	int li_age;
71	int li_cycle;
72	struct re_s *li_task;
73	Filter *li_oldf;
74	Entry *li_old;
75	log_attr *li_oldattrs;
76	int li_success;
77	log_base *li_bases;
78	ldap_pvt_thread_rmutex_t li_op_rmutex;
79	ldap_pvt_thread_mutex_t li_log_mutex;
80} log_info;
81
82static ConfigDriver log_cf_gen;
83
84enum {
85	LOG_DB = 1,
86	LOG_OPS,
87	LOG_PURGE,
88	LOG_SUCCESS,
89	LOG_OLD,
90	LOG_OLDATTR,
91	LOG_BASE
92};
93
94static ConfigTable log_cfats[] = {
95	{ "logdb", "suffix", 2, 2, 0, ARG_DN|ARG_MAGIC|LOG_DB,
96		log_cf_gen, "( OLcfgOvAt:4.1 NAME 'olcAccessLogDB' "
97			"DESC 'Suffix of database for log content' "
98			"SUP distinguishedName SINGLE-VALUE )", NULL, NULL },
99	{ "logops", "op|writes|reads|session|all", 2, 0, 0,
100		ARG_MAGIC|LOG_OPS,
101		log_cf_gen, "( OLcfgOvAt:4.2 NAME 'olcAccessLogOps' "
102			"DESC 'Operation types to log' "
103			"EQUALITY caseIgnoreMatch "
104			"SYNTAX OMsDirectoryString )", NULL, NULL },
105	{ "logpurge", "age> <interval", 3, 3, 0, ARG_MAGIC|LOG_PURGE,
106		log_cf_gen, "( OLcfgOvAt:4.3 NAME 'olcAccessLogPurge' "
107			"DESC 'Log cleanup parameters' "
108			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
109	{ "logsuccess", NULL, 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|LOG_SUCCESS,
110		log_cf_gen, "( OLcfgOvAt:4.4 NAME 'olcAccessLogSuccess' "
111			"DESC 'Log successful ops only' "
112			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
113	{ "logold", "filter", 2, 2, 0, ARG_MAGIC|LOG_OLD,
114		log_cf_gen, "( OLcfgOvAt:4.5 NAME 'olcAccessLogOld' "
115			"DESC 'Log old values when modifying entries matching the filter' "
116			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
117	{ "logoldattr", "attrs", 2, 0, 0, ARG_MAGIC|LOG_OLDATTR,
118		log_cf_gen, "( OLcfgOvAt:4.6 NAME 'olcAccessLogOldAttr' "
119			"DESC 'Log old values of these attributes even if unmodified' "
120			"EQUALITY caseIgnoreMatch "
121			"SYNTAX OMsDirectoryString )", NULL, NULL },
122	{ "logbase", "op|writes|reads|session|all< <baseDN", 3, 3, 0,
123		ARG_MAGIC|LOG_BASE,
124		log_cf_gen, "( OLcfgOvAt:4.7 NAME 'olcAccessLogBase' "
125			"DESC 'Operation types to log under a specific branch' "
126			"EQUALITY caseIgnoreMatch "
127			"SYNTAX OMsDirectoryString )", NULL, NULL },
128	{ NULL }
129};
130
131static ConfigOCs log_cfocs[] = {
132	{ "( OLcfgOvOc:4.1 "
133		"NAME 'olcAccessLogConfig' "
134		"DESC 'Access log configuration' "
135		"SUP olcOverlayConfig "
136		"MUST olcAccessLogDB "
137		"MAY ( olcAccessLogOps $ olcAccessLogPurge $ olcAccessLogSuccess $ "
138			"olcAccessLogOld $ olcAccessLogOldAttr $ olcAccessLogBase ) )",
139			Cft_Overlay, log_cfats },
140	{ NULL }
141};
142
143static slap_verbmasks logops[] = {
144	{ BER_BVC("all"),		LOG_OP_ALL },
145	{ BER_BVC("writes"),	LOG_OP_WRITES },
146	{ BER_BVC("session"),	LOG_OP_SESSION },
147	{ BER_BVC("reads"),		LOG_OP_READS },
148	{ BER_BVC("add"),		LOG_OP_ADD },
149	{ BER_BVC("delete"),	LOG_OP_DELETE },
150	{ BER_BVC("modify"),	LOG_OP_MODIFY },
151	{ BER_BVC("modrdn"),	LOG_OP_MODRDN },
152	{ BER_BVC("compare"),	LOG_OP_COMPARE },
153	{ BER_BVC("search"),	LOG_OP_SEARCH },
154	{ BER_BVC("bind"),		LOG_OP_BIND },
155	{ BER_BVC("unbind"),	LOG_OP_UNBIND },
156	{ BER_BVC("abandon"),	LOG_OP_ABANDON },
157	{ BER_BVC("extended"),	LOG_OP_EXTENDED },
158	{ BER_BVC("unknown"),	LOG_OP_UNKNOWN },
159	{ BER_BVNULL, 0 }
160};
161
162/* Start with "add" in logops */
163#define EN_OFFSET	4
164
165enum {
166	LOG_EN_ADD = 0,
167	LOG_EN_DELETE,
168	LOG_EN_MODIFY,
169	LOG_EN_MODRDN,
170	LOG_EN_COMPARE,
171	LOG_EN_SEARCH,
172	LOG_EN_BIND,
173	LOG_EN_UNBIND,
174	LOG_EN_ABANDON,
175	LOG_EN_EXTENDED,
176	LOG_EN_UNKNOWN,
177	LOG_EN__COUNT
178};
179
180static ObjectClass *log_ocs[LOG_EN__COUNT], *log_container,
181	*log_oc_read, *log_oc_write;
182
183#define LOG_SCHEMA_ROOT	"1.3.6.1.4.1.4203.666.11.5"
184
185#define LOG_SCHEMA_AT LOG_SCHEMA_ROOT ".1"
186#define LOG_SCHEMA_OC LOG_SCHEMA_ROOT ".2"
187#define LOG_SCHEMA_SYN LOG_SCHEMA_ROOT ".3"
188
189static AttributeDescription *ad_reqDN, *ad_reqStart, *ad_reqEnd, *ad_reqType,
190	*ad_reqSession, *ad_reqResult, *ad_reqAuthzID, *ad_reqControls,
191	*ad_reqRespControls, *ad_reqMethod, *ad_reqAssertion, *ad_reqNewRDN,
192	*ad_reqNewSuperior, *ad_reqDeleteOldRDN, *ad_reqMod,
193	*ad_reqScope, *ad_reqFilter, *ad_reqAttr, *ad_reqEntries,
194	*ad_reqSizeLimit, *ad_reqTimeLimit, *ad_reqAttrsOnly, *ad_reqData,
195	*ad_reqId, *ad_reqMessage, *ad_reqVersion, *ad_reqDerefAliases,
196	*ad_reqReferral, *ad_reqOld, *ad_auditContext;
197
198static int
199logSchemaControlValidate(
200	Syntax		*syntax,
201	struct berval	*val );
202
203char	*mrControl[] = {
204	"objectIdentifierFirstComponentMatch",
205	NULL
206};
207
208static struct {
209	char			*oid;
210	slap_syntax_defs_rec	syn;
211	char			**mrs;
212} lsyntaxes[] = {
213	{ LOG_SCHEMA_SYN ".1" ,
214		{ "( " LOG_SCHEMA_SYN ".1 DESC 'Control' )",
215			SLAP_SYNTAX_HIDE,
216			NULL,
217			logSchemaControlValidate,
218			NULL },
219		mrControl },
220	{ NULL }
221};
222
223static struct {
224	char *at;
225	AttributeDescription **ad;
226} lattrs[] = {
227	{ "( " LOG_SCHEMA_AT ".1 NAME 'reqDN' "
228		"DESC 'Target DN of request' "
229		"EQUALITY distinguishedNameMatch "
230		"SYNTAX OMsDN "
231		"SINGLE-VALUE )", &ad_reqDN },
232	{ "( " LOG_SCHEMA_AT ".2 NAME 'reqStart' "
233		"DESC 'Start time of request' "
234		"EQUALITY generalizedTimeMatch "
235		"ORDERING generalizedTimeOrderingMatch "
236		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
237		"SINGLE-VALUE )", &ad_reqStart },
238	{ "( " LOG_SCHEMA_AT ".3 NAME 'reqEnd' "
239		"DESC 'End time of request' "
240		"EQUALITY generalizedTimeMatch "
241		"ORDERING generalizedTimeOrderingMatch "
242		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
243		"SINGLE-VALUE )", &ad_reqEnd },
244	{ "( " LOG_SCHEMA_AT ".4 NAME 'reqType' "
245		"DESC 'Type of request' "
246		"EQUALITY caseIgnoreMatch "
247		"SYNTAX OMsDirectoryString "
248		"SINGLE-VALUE )", &ad_reqType },
249	{ "( " LOG_SCHEMA_AT ".5 NAME 'reqSession' "
250		"DESC 'Session ID of request' "
251		"EQUALITY caseIgnoreMatch "
252		"SYNTAX OMsDirectoryString "
253		"SINGLE-VALUE )", &ad_reqSession },
254	{ "( " LOG_SCHEMA_AT ".6 NAME 'reqAuthzID' "
255		"DESC 'Authorization ID of requestor' "
256		"EQUALITY distinguishedNameMatch "
257		"SYNTAX OMsDN "
258		"SINGLE-VALUE )", &ad_reqAuthzID },
259	{ "( " LOG_SCHEMA_AT ".7 NAME 'reqResult' "
260		"DESC 'Result code of request' "
261		"EQUALITY integerMatch "
262		"ORDERING integerOrderingMatch "
263		"SYNTAX OMsInteger "
264		"SINGLE-VALUE )", &ad_reqResult },
265	{ "( " LOG_SCHEMA_AT ".8 NAME 'reqMessage' "
266		"DESC 'Error text of request' "
267		"EQUALITY caseIgnoreMatch "
268		"SUBSTR caseIgnoreSubstringsMatch "
269		"SYNTAX OMsDirectoryString "
270		"SINGLE-VALUE )", &ad_reqMessage },
271	{ "( " LOG_SCHEMA_AT ".9 NAME 'reqReferral' "
272		"DESC 'Referrals returned for request' "
273		"SUP labeledURI )", &ad_reqReferral },
274	{ "( " LOG_SCHEMA_AT ".10 NAME 'reqControls' "
275		"DESC 'Request controls' "
276		"EQUALITY objectIdentifierFirstComponentMatch "
277		"SYNTAX " LOG_SCHEMA_SYN ".1 "
278		"X-ORDERED 'VALUES' )", &ad_reqControls },
279	{ "( " LOG_SCHEMA_AT ".11 NAME 'reqRespControls' "
280		"DESC 'Response controls of request' "
281		"EQUALITY objectIdentifierFirstComponentMatch "
282		"SYNTAX " LOG_SCHEMA_SYN ".1 "
283		"X-ORDERED 'VALUES' )", &ad_reqRespControls },
284	{ "( " LOG_SCHEMA_AT ".12 NAME 'reqId' "
285		"DESC 'ID of Request to Abandon' "
286		"EQUALITY integerMatch "
287		"ORDERING integerOrderingMatch "
288		"SYNTAX OMsInteger "
289		"SINGLE-VALUE )", &ad_reqId },
290	{ "( " LOG_SCHEMA_AT ".13 NAME 'reqVersion' "
291		"DESC 'Protocol version of Bind request' "
292		"EQUALITY integerMatch "
293		"ORDERING integerOrderingMatch "
294		"SYNTAX OMsInteger "
295		"SINGLE-VALUE )", &ad_reqVersion },
296	{ "( " LOG_SCHEMA_AT ".14 NAME 'reqMethod' "
297		"DESC 'Bind method of request' "
298		"EQUALITY caseIgnoreMatch "
299		"SYNTAX OMsDirectoryString "
300		"SINGLE-VALUE )", &ad_reqMethod },
301	{ "( " LOG_SCHEMA_AT ".15 NAME 'reqAssertion' "
302		"DESC 'Compare Assertion of request' "
303		"SYNTAX OMsDirectoryString "
304		"SINGLE-VALUE )", &ad_reqAssertion },
305	{ "( " LOG_SCHEMA_AT ".16 NAME 'reqMod' "
306		"DESC 'Modifications of request' "
307		"EQUALITY octetStringMatch "
308		"SUBSTR octetStringSubstringsMatch "
309		"SYNTAX OMsOctetString )", &ad_reqMod },
310	{ "( " LOG_SCHEMA_AT ".17 NAME 'reqOld' "
311		"DESC 'Old values of entry before request completed' "
312		"EQUALITY octetStringMatch "
313		"SUBSTR octetStringSubstringsMatch "
314		"SYNTAX OMsOctetString )", &ad_reqOld },
315	{ "( " LOG_SCHEMA_AT ".18 NAME 'reqNewRDN' "
316		"DESC 'New RDN of request' "
317		"EQUALITY distinguishedNameMatch "
318		"SYNTAX OMsDN "
319		"SINGLE-VALUE )", &ad_reqNewRDN },
320	{ "( " LOG_SCHEMA_AT ".19 NAME 'reqDeleteOldRDN' "
321		"DESC 'Delete old RDN' "
322		"EQUALITY booleanMatch "
323		"SYNTAX OMsBoolean "
324		"SINGLE-VALUE )", &ad_reqDeleteOldRDN },
325	{ "( " LOG_SCHEMA_AT ".20 NAME 'reqNewSuperior' "
326		"DESC 'New superior DN of request' "
327		"EQUALITY distinguishedNameMatch "
328		"SYNTAX OMsDN "
329		"SINGLE-VALUE )", &ad_reqNewSuperior },
330	{ "( " LOG_SCHEMA_AT ".21 NAME 'reqScope' "
331		"DESC 'Scope of request' "
332		"EQUALITY caseIgnoreMatch "
333		"SYNTAX OMsDirectoryString "
334		"SINGLE-VALUE )", &ad_reqScope },
335	{ "( " LOG_SCHEMA_AT ".22 NAME 'reqDerefAliases' "
336		"DESC 'Disposition of Aliases in request' "
337		"EQUALITY caseIgnoreMatch "
338		"SYNTAX OMsDirectoryString "
339		"SINGLE-VALUE )", &ad_reqDerefAliases },
340	{ "( " LOG_SCHEMA_AT ".23 NAME 'reqAttrsOnly' "
341		"DESC 'Attributes and values of request' "
342		"EQUALITY booleanMatch "
343		"SYNTAX OMsBoolean "
344		"SINGLE-VALUE )", &ad_reqAttrsOnly },
345	{ "( " LOG_SCHEMA_AT ".24 NAME 'reqFilter' "
346		"DESC 'Filter of request' "
347		"EQUALITY caseIgnoreMatch "
348		"SUBSTR caseIgnoreSubstringsMatch "
349		"SYNTAX OMsDirectoryString "
350		"SINGLE-VALUE )", &ad_reqFilter },
351	{ "( " LOG_SCHEMA_AT ".25 NAME 'reqAttr' "
352		"DESC 'Attributes of request' "
353		"EQUALITY caseIgnoreMatch "
354		"SYNTAX OMsDirectoryString )", &ad_reqAttr },
355	{ "( " LOG_SCHEMA_AT ".26 NAME 'reqSizeLimit' "
356		"DESC 'Size limit of request' "
357		"EQUALITY integerMatch "
358		"ORDERING integerOrderingMatch "
359		"SYNTAX OMsInteger "
360		"SINGLE-VALUE )", &ad_reqSizeLimit },
361	{ "( " LOG_SCHEMA_AT ".27 NAME 'reqTimeLimit' "
362		"DESC 'Time limit of request' "
363		"EQUALITY integerMatch "
364		"ORDERING integerOrderingMatch "
365		"SYNTAX OMsInteger "
366		"SINGLE-VALUE )", &ad_reqTimeLimit },
367	{ "( " LOG_SCHEMA_AT ".28 NAME 'reqEntries' "
368		"DESC 'Number of entries returned' "
369		"EQUALITY integerMatch "
370		"ORDERING integerOrderingMatch "
371		"SYNTAX OMsInteger "
372		"SINGLE-VALUE )", &ad_reqEntries },
373	{ "( " LOG_SCHEMA_AT ".29 NAME 'reqData' "
374		"DESC 'Data of extended request' "
375		"EQUALITY octetStringMatch "
376		"SUBSTR octetStringSubstringsMatch "
377		"SYNTAX OMsOctetString "
378		"SINGLE-VALUE )", &ad_reqData },
379
380	/*
381	 * from <draft-chu-ldap-logschema-01.txt>:
382	 *
383
384   ( LOG_SCHEMA_AT .30 NAME 'auditContext'
385   DESC 'DN of auditContainer'
386   EQUALITY distinguishedNameMatch
387   SYNTAX 1.3.6.1.4.1.1466.115.121.1.12
388   SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )
389
390	 * - removed EQUALITY matchingRule
391	 * - changed directoryOperation in dSAOperation
392	 */
393	{ "( " LOG_SCHEMA_AT ".30 NAME 'auditContext' "
394		"DESC 'DN of auditContainer' "
395		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
396		"SINGLE-VALUE "
397		"NO-USER-MODIFICATION "
398		"USAGE dSAOperation )", &ad_auditContext },
399	{ NULL, NULL }
400};
401
402static struct {
403	char *ot;
404	ObjectClass **oc;
405} locs[] = {
406	{ "( " LOG_SCHEMA_OC ".0 NAME 'auditContainer' "
407		"DESC 'AuditLog container' "
408		"SUP top STRUCTURAL "
409		"MAY ( cn $ reqStart $ reqEnd ) )", &log_container },
410	{ "( " LOG_SCHEMA_OC ".1 NAME 'auditObject' "
411		"DESC 'OpenLDAP request auditing' "
412		"SUP top STRUCTURAL "
413		"MUST ( reqStart $ reqType $ reqSession ) "
414		"MAY ( reqDN $ reqAuthzID $ reqControls $ reqRespControls $ reqEnd $ "
415			"reqResult $ reqMessage $ reqReferral ) )",
416				&log_ocs[LOG_EN_UNBIND] },
417	{ "( " LOG_SCHEMA_OC ".2 NAME 'auditReadObject' "
418		"DESC 'OpenLDAP read request record' "
419		"SUP auditObject STRUCTURAL )", &log_oc_read },
420	{ "( " LOG_SCHEMA_OC ".3 NAME 'auditWriteObject' "
421		"DESC 'OpenLDAP write request record' "
422		"SUP auditObject STRUCTURAL )", &log_oc_write },
423	{ "( " LOG_SCHEMA_OC ".4 NAME 'auditAbandon' "
424		"DESC 'Abandon operation' "
425		"SUP auditObject STRUCTURAL "
426		"MUST reqId )", &log_ocs[LOG_EN_ABANDON] },
427	{ "( " LOG_SCHEMA_OC ".5 NAME 'auditAdd' "
428		"DESC 'Add operation' "
429		"SUP auditWriteObject STRUCTURAL "
430		"MUST reqMod )", &log_ocs[LOG_EN_ADD] },
431	{ "( " LOG_SCHEMA_OC ".6 NAME 'auditBind' "
432		"DESC 'Bind operation' "
433		"SUP auditObject STRUCTURAL "
434		"MUST ( reqVersion $ reqMethod ) )", &log_ocs[LOG_EN_BIND] },
435	{ "( " LOG_SCHEMA_OC ".7 NAME 'auditCompare' "
436		"DESC 'Compare operation' "
437		"SUP auditReadObject STRUCTURAL "
438		"MUST reqAssertion )", &log_ocs[LOG_EN_COMPARE] },
439	{ "( " LOG_SCHEMA_OC ".8 NAME 'auditDelete' "
440		"DESC 'Delete operation' "
441		"SUP auditWriteObject STRUCTURAL "
442		"MAY reqOld )", &log_ocs[LOG_EN_DELETE] },
443	{ "( " LOG_SCHEMA_OC ".9 NAME 'auditModify' "
444		"DESC 'Modify operation' "
445		"SUP auditWriteObject STRUCTURAL "
446		"MAY reqOld MUST reqMod )", &log_ocs[LOG_EN_MODIFY] },
447	{ "( " LOG_SCHEMA_OC ".10 NAME 'auditModRDN' "
448		"DESC 'ModRDN operation' "
449		"SUP auditWriteObject STRUCTURAL "
450		"MUST ( reqNewRDN $ reqDeleteOldRDN ) "
451		"MAY ( reqNewSuperior $ reqMod $ reqOld ) )", &log_ocs[LOG_EN_MODRDN] },
452	{ "( " LOG_SCHEMA_OC ".11 NAME 'auditSearch' "
453		"DESC 'Search operation' "
454		"SUP auditReadObject STRUCTURAL "
455		"MUST ( reqScope $ reqDerefAliases $ reqAttrsonly ) "
456		"MAY ( reqFilter $ reqAttr $ reqEntries $ reqSizeLimit $ "
457			"reqTimeLimit ) )", &log_ocs[LOG_EN_SEARCH] },
458	{ "( " LOG_SCHEMA_OC ".12 NAME 'auditExtended' "
459		"DESC 'Extended operation' "
460		"SUP auditObject STRUCTURAL "
461		"MAY reqData )", &log_ocs[LOG_EN_EXTENDED] },
462	{ NULL, NULL }
463};
464
465#define	RDNEQ	"reqStart="
466
467/* Our time intervals are of the form [ddd+]hh:mm[:ss]
468 * If a field is present, it must be two digits. (Except for
469 * days, which can be arbitrary width.)
470 */
471static int
472log_age_parse(char *agestr)
473{
474	int t1, t2;
475	int gotdays = 0;
476	char *endptr;
477
478	t1 = strtol( agestr, &endptr, 10 );
479	/* Is there a days delimiter? */
480	if ( *endptr == '+' ) {
481		/* 32 bit time only covers about 68 years */
482		if ( t1 < 0 || t1 > 25000 )
483			return -1;
484		t1 *= 24;
485		gotdays = 1;
486		agestr = endptr + 1;
487	} else {
488		if ( agestr[2] != ':' ) {
489			/* No valid delimiter found, fail */
490			return -1;
491		}
492		t1 *= 60;
493		agestr += 3;
494	}
495
496	t2 = atoi( agestr );
497	t1 += t2;
498
499	if ( agestr[2] ) {
500		/* if there's a delimiter, it can only be a colon */
501		if ( agestr[2] != ':' )
502			return -1;
503	} else {
504		/* If we're at the end of the string, and we started with days,
505		 * fail because we expected to find minutes too.
506		 */
507		return gotdays ? -1 : t1 * 60;
508	}
509
510	agestr += 3;
511	t2 = atoi( agestr );
512
513	/* last field can only be seconds */
514	if ( agestr[2] && ( agestr[2] != ':' || !gotdays ))
515		return -1;
516	t1 *= 60;
517	t1 += t2;
518
519	if ( agestr[2] ) {
520		agestr += 3;
521		if ( agestr[2] )
522			return -1;
523		t1 *= 60;
524		t1 += atoi( agestr );
525	} else if ( gotdays ) {
526		/* only got days+hh:mm */
527		t1 *= 60;
528	}
529	return t1;
530}
531
532static void
533log_age_unparse( int age, struct berval *agebv, size_t size )
534{
535	int dd, hh, mm, ss, len;
536	char *ptr;
537
538	assert( size > 0 );
539
540	ss = age % 60;
541	age /= 60;
542	mm = age % 60;
543	age /= 60;
544	hh = age % 24;
545	age /= 24;
546	dd = age;
547
548	ptr = agebv->bv_val;
549
550	if ( dd ) {
551		len = snprintf( ptr, size, "%d+", dd );
552		assert( len >= 0 && (unsigned) len < size );
553		size -= len;
554		ptr += len;
555	}
556	len = snprintf( ptr, size, "%02d:%02d", hh, mm );
557	assert( len >= 0 && (unsigned) len < size );
558	size -= len;
559	ptr += len;
560	if ( ss ) {
561		len = snprintf( ptr, size, ":%02d", ss );
562		assert( len >= 0 && (unsigned) len < size );
563		size -= len;
564		ptr += len;
565	}
566
567	agebv->bv_len = ptr - agebv->bv_val;
568}
569
570static slap_callback nullsc = { NULL, NULL, NULL, NULL };
571
572#define PURGE_INCREMENT	100
573
574typedef struct purge_data {
575	int slots;
576	int used;
577	BerVarray dn;
578	BerVarray ndn;
579	struct berval csn;	/* an arbitrary old CSN */
580} purge_data;
581
582static int
583log_old_lookup( Operation *op, SlapReply *rs )
584{
585	purge_data *pd = op->o_callback->sc_private;
586	Attribute *a;
587
588	if ( rs->sr_type != REP_SEARCH) return 0;
589
590	if ( slapd_shutdown ) return 0;
591
592	/* Remember max CSN: should always be the last entry
593	 * seen, since log entries are ordered chronologically...
594	 */
595	a = attr_find( rs->sr_entry->e_attrs,
596		slap_schema.si_ad_entryCSN );
597	if ( a ) {
598		ber_len_t len = a->a_nvals[0].bv_len;
599		/* Paranoid len check, normalized CSNs are always the same length */
600		if ( len > LDAP_PVT_CSNSTR_BUFSIZE )
601			len = LDAP_PVT_CSNSTR_BUFSIZE;
602		if ( memcmp( a->a_nvals[0].bv_val, pd->csn.bv_val, len ) > 0 ) {
603			AC_MEMCPY( pd->csn.bv_val, a->a_nvals[0].bv_val, len );
604			pd->csn.bv_len = len;
605		}
606	}
607	if ( pd->used >= pd->slots ) {
608		pd->slots += PURGE_INCREMENT;
609		pd->dn = ch_realloc( pd->dn, pd->slots * sizeof( struct berval ));
610		pd->ndn = ch_realloc( pd->ndn, pd->slots * sizeof( struct berval ));
611	}
612	ber_dupbv( &pd->dn[pd->used], &rs->sr_entry->e_name );
613	ber_dupbv( &pd->ndn[pd->used], &rs->sr_entry->e_nname );
614	pd->used++;
615	return 0;
616}
617
618/* Periodically search for old entries in the log database and delete them */
619static void *
620accesslog_purge( void *ctx, void *arg )
621{
622	struct re_s *rtask = arg;
623	struct log_info *li = rtask->arg;
624
625	Connection conn = {0};
626	OperationBuffer opbuf;
627	Operation *op;
628	SlapReply rs = {REP_RESULT};
629	slap_callback cb = { NULL, log_old_lookup, NULL, NULL };
630	Filter f;
631	AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
632	purge_data pd = {0};
633	char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE];
634	char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
635	time_t old = slap_get_time();
636
637	connection_fake_init( &conn, &opbuf, ctx );
638	op = &opbuf.ob_op;
639
640	f.f_choice = LDAP_FILTER_LE;
641	f.f_ava = &ava;
642	f.f_next = NULL;
643
644	ava.aa_desc = ad_reqStart;
645	ava.aa_value.bv_val = timebuf;
646	ava.aa_value.bv_len = sizeof(timebuf);
647
648	old -= li->li_age;
649	slap_timestamp( &old, &ava.aa_value );
650
651	op->o_tag = LDAP_REQ_SEARCH;
652	op->o_bd = li->li_db;
653	op->o_dn = li->li_db->be_rootdn;
654	op->o_ndn = li->li_db->be_rootndn;
655	op->o_req_dn = li->li_db->be_suffix[0];
656	op->o_req_ndn = li->li_db->be_nsuffix[0];
657	op->o_callback = &cb;
658	op->ors_scope = LDAP_SCOPE_ONELEVEL;
659	op->ors_deref = LDAP_DEREF_NEVER;
660	op->ors_tlimit = SLAP_NO_LIMIT;
661	op->ors_slimit = SLAP_NO_LIMIT;
662	op->ors_filter = &f;
663	filter2bv_x( op, &f, &op->ors_filterstr );
664	op->ors_attrs = slap_anlist_no_attrs;
665	op->ors_attrsonly = 1;
666
667	pd.csn.bv_len = sizeof( csnbuf );
668	pd.csn.bv_val = csnbuf;
669	csnbuf[0] = '\0';
670	cb.sc_private = &pd;
671
672	op->o_bd->be_search( op, &rs );
673	op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
674
675	if ( pd.used ) {
676		int i;
677
678		/* delete the expired entries */
679		op->o_tag = LDAP_REQ_DELETE;
680		op->o_callback = &nullsc;
681		op->o_csn = pd.csn;
682		op->o_dont_replicate = 1;
683
684		for (i=0; i<pd.used; i++) {
685			op->o_req_dn = pd.dn[i];
686			op->o_req_ndn = pd.ndn[i];
687			if ( !slapd_shutdown ) {
688				rs_reinit( &rs, REP_RESULT );
689				op->o_bd->be_delete( op, &rs );
690			}
691			ch_free( pd.ndn[i].bv_val );
692			ch_free( pd.dn[i].bv_val );
693		}
694		ch_free( pd.ndn );
695		ch_free( pd.dn );
696
697		{
698			Modifications mod;
699			struct berval bv[2];
700			rs_reinit( &rs, REP_RESULT );
701			/* update context's entryCSN to reflect oldest CSN */
702			mod.sml_numvals = 1;
703			mod.sml_values = bv;
704			bv[0] = pd.csn;
705			BER_BVZERO(&bv[1]);
706			mod.sml_nvalues = NULL;
707			mod.sml_desc = slap_schema.si_ad_entryCSN;
708			mod.sml_op = LDAP_MOD_REPLACE;
709			mod.sml_flags = SLAP_MOD_INTERNAL;
710			mod.sml_next = NULL;
711
712			op->o_tag = LDAP_REQ_MODIFY;
713			op->orm_modlist = &mod;
714			op->orm_no_opattrs = 1;
715			op->o_req_dn = li->li_db->be_suffix[0];
716			op->o_req_ndn = li->li_db->be_nsuffix[0];
717			op->o_no_schema_check = 1;
718			op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
719			op->o_bd->be_modify( op, &rs );
720			if ( mod.sml_next ) {
721				slap_mods_free( mod.sml_next, 1 );
722			}
723		}
724	}
725
726	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
727	ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
728	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
729
730	return NULL;
731}
732
733static int
734log_cf_gen(ConfigArgs *c)
735{
736	slap_overinst *on = (slap_overinst *)c->bi;
737	struct log_info *li = on->on_bi.bi_private;
738	int rc = 0;
739	slap_mask_t tmask = 0;
740	char agebuf[2*STRLENOF("ddddd+hh:mm:ss  ")];
741	struct berval agebv, cyclebv;
742
743	switch( c->op ) {
744	case SLAP_CONFIG_EMIT:
745		switch( c->type ) {
746		case LOG_DB:
747			if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
748				value_add_one( &c->rvalue_vals, &li->li_db_suffix );
749				value_add_one( &c->rvalue_nvals, &li->li_db_suffix );
750			} else if ( li->li_db ) {
751				value_add_one( &c->rvalue_vals, li->li_db->be_suffix );
752				value_add_one( &c->rvalue_nvals, li->li_db->be_nsuffix );
753			} else {
754				snprintf( c->cr_msg, sizeof( c->cr_msg ),
755					"accesslog: \"logdb <suffix>\" must be specified" );
756				Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
757					c->log, c->cr_msg, c->value_dn.bv_val );
758				rc = 1;
759				break;
760			}
761			break;
762		case LOG_OPS:
763			rc = mask_to_verbs( logops, li->li_ops, &c->rvalue_vals );
764			break;
765		case LOG_PURGE:
766			if ( !li->li_age ) {
767				rc = 1;
768				break;
769			}
770			agebv.bv_val = agebuf;
771			log_age_unparse( li->li_age, &agebv, sizeof( agebuf ) );
772			agebv.bv_val[agebv.bv_len] = ' ';
773			agebv.bv_len++;
774			cyclebv.bv_val = agebv.bv_val + agebv.bv_len;
775			log_age_unparse( li->li_cycle, &cyclebv, sizeof( agebuf ) - agebv.bv_len );
776			agebv.bv_len += cyclebv.bv_len;
777			value_add_one( &c->rvalue_vals, &agebv );
778			break;
779		case LOG_SUCCESS:
780			if ( li->li_success )
781				c->value_int = li->li_success;
782			else
783				rc = 1;
784			break;
785		case LOG_OLD:
786			if ( li->li_oldf ) {
787				filter2bv( li->li_oldf, &agebv );
788				ber_bvarray_add( &c->rvalue_vals, &agebv );
789			}
790			else
791				rc = 1;
792			break;
793		case LOG_OLDATTR:
794			if ( li->li_oldattrs ) {
795				log_attr *la;
796
797				for ( la = li->li_oldattrs; la; la=la->next )
798					value_add_one( &c->rvalue_vals, &la->attr->ad_cname );
799			}
800			else
801				rc = 1;
802			break;
803		case LOG_BASE:
804			if ( li->li_bases ) {
805				log_base *lb;
806
807				for ( lb = li->li_bases; lb; lb=lb->lb_next )
808					value_add_one( &c->rvalue_vals, &lb->lb_line );
809			}
810			else
811				rc = 1;
812			break;
813		}
814		break;
815	case LDAP_MOD_DELETE:
816		switch( c->type ) {
817		case LOG_DB:
818			/* noop. this should always be a valid backend. */
819			break;
820		case LOG_OPS:
821			if ( c->valx < 0 ) {
822				li->li_ops = 0;
823			} else {
824				rc = verbs_to_mask( 1, &c->line, logops, &tmask );
825				if ( rc == 0 )
826					li->li_ops &= ~tmask;
827			}
828			break;
829		case LOG_PURGE:
830			if ( li->li_task ) {
831				struct re_s *re = li->li_task;
832				li->li_task = NULL;
833				ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
834				if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
835					ldap_pvt_runqueue_stoptask( &slapd_rq, re );
836				ldap_pvt_runqueue_remove( &slapd_rq, re );
837				ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
838			}
839			li->li_age = 0;
840			li->li_cycle = 0;
841			break;
842		case LOG_SUCCESS:
843			li->li_success = 0;
844			break;
845		case LOG_OLD:
846			if ( li->li_oldf ) {
847				filter_free( li->li_oldf );
848				li->li_oldf = NULL;
849			}
850			break;
851		case LOG_OLDATTR:
852			if ( c->valx < 0 ) {
853				log_attr *la, *ln;
854
855				for ( la = li->li_oldattrs; la; la = ln ) {
856					ln = la->next;
857					ch_free( la );
858				}
859			} else {
860				log_attr *la = NULL, **lp;
861				int i;
862
863				for ( lp = &li->li_oldattrs, i=0; i < c->valx; i++ ) {
864					la = *lp;
865					lp = &la->next;
866				}
867				*lp = la->next;
868				ch_free( la );
869			}
870			break;
871		case LOG_BASE:
872			if ( c->valx < 0 ) {
873				log_base *lb, *ln;
874
875				for ( lb = li->li_bases; lb; lb = ln ) {
876					ln = lb->lb_next;
877					ch_free( lb );
878				}
879			} else {
880				log_base *lb = NULL, **lp;
881				int i;
882
883				for ( lp = &li->li_bases, i=0; i < c->valx; i++ ) {
884					lb = *lp;
885					lp = &lb->lb_next;
886				}
887				*lp = lb->lb_next;
888				ch_free( lb );
889			}
890			break;
891		}
892		break;
893	default:
894		switch( c->type ) {
895		case LOG_DB:
896			if ( CONFIG_ONLINE_ADD( c )) {
897				li->li_db = select_backend( &c->value_ndn, 0 );
898				if ( !li->li_db ) {
899					snprintf( c->cr_msg, sizeof( c->cr_msg ),
900						"<%s> no matching backend found for suffix",
901						c->argv[0] );
902					Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
903						c->log, c->cr_msg, c->value_dn.bv_val );
904					rc = 1;
905				}
906				ch_free( c->value_ndn.bv_val );
907			} else {
908				li->li_db_suffix = c->value_ndn;
909			}
910			ch_free( c->value_dn.bv_val );
911			break;
912		case LOG_OPS:
913			rc = verbs_to_mask( c->argc, c->argv, logops, &tmask );
914			if ( rc == 0 )
915				li->li_ops |= tmask;
916			break;
917		case LOG_PURGE:
918			li->li_age = log_age_parse( c->argv[1] );
919			if ( li->li_age < 1 ) {
920				rc = 1;
921			} else {
922				li->li_cycle = log_age_parse( c->argv[2] );
923				if ( li->li_cycle < 1 ) {
924					rc = 1;
925				} else if ( slapMode & SLAP_SERVER_MODE ) {
926					struct re_s *re = li->li_task;
927					if ( re )
928						re->interval.tv_sec = li->li_cycle;
929					else {
930						ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
931						li->li_task = ldap_pvt_runqueue_insert( &slapd_rq,
932							li->li_cycle, accesslog_purge, li,
933							"accesslog_purge", li->li_db ?
934								li->li_db->be_suffix[0].bv_val :
935								c->be->be_suffix[0].bv_val );
936						ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
937					}
938				}
939			}
940			break;
941		case LOG_SUCCESS:
942			li->li_success = c->value_int;
943			break;
944		case LOG_OLD:
945			li->li_oldf = str2filter( c->argv[1] );
946			if ( !li->li_oldf ) {
947				snprintf( c->cr_msg, sizeof( c->cr_msg ), "bad filter!" );
948				rc = 1;
949			}
950			break;
951		case LOG_OLDATTR: {
952			int i;
953			AttributeDescription *ad;
954			const char *text;
955
956			for ( i=1; i< c->argc; i++ ) {
957				ad = NULL;
958				if ( slap_str2ad( c->argv[i], &ad, &text ) == LDAP_SUCCESS ) {
959					log_attr *la = ch_malloc( sizeof( log_attr ));
960					la->attr = ad;
961					la->next = li->li_oldattrs;
962					li->li_oldattrs = la;
963				} else {
964					snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s <%s>: %s",
965						c->argv[0], c->argv[i], text );
966					Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
967						"%s: %s\n", c->log, c->cr_msg, 0 );
968					rc = ARG_BAD_CONF;
969					break;
970				}
971			}
972			}
973			break;
974		case LOG_BASE: {
975			slap_mask_t m = 0;
976			rc = verbstring_to_mask( logops, c->argv[1], '|', &m );
977			if ( rc == 0 ) {
978				struct berval dn, ndn;
979				ber_str2bv( c->argv[2], 0, 0, &dn );
980				rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
981				if ( rc == 0 ) {
982					log_base *lb;
983					struct berval mbv;
984					char *ptr;
985					mask_to_verbstring( logops, m, '|', &mbv );
986					lb = ch_malloc( sizeof( log_base ) + mbv.bv_len + ndn.bv_len + 3 + 1 );
987					lb->lb_line.bv_val = (char *)(lb + 1);
988					lb->lb_line.bv_len = mbv.bv_len + ndn.bv_len + 3;
989					ptr = lutil_strcopy( lb->lb_line.bv_val, mbv.bv_val );
990					*ptr++ = ' ';
991					*ptr++ = '"';
992					lb->lb_base.bv_val = ptr;
993					lb->lb_base.bv_len = ndn.bv_len;
994					ptr = lutil_strcopy( ptr, ndn.bv_val );
995					*ptr++ = '"';
996					lb->lb_ops = m;
997					lb->lb_next = li->li_bases;
998					li->li_bases = lb;
999				} else {
1000					snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid DN: %s",
1001						c->argv[0], c->argv[2] );
1002					Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
1003						"%s: %s\n", c->log, c->cr_msg, 0 );
1004					rc = ARG_BAD_CONF;
1005				}
1006			} else {
1007				snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid ops: %s",
1008					c->argv[0], c->argv[1] );
1009				Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
1010					"%s: %s\n", c->log, c->cr_msg, 0 );
1011				rc = ARG_BAD_CONF;
1012			}
1013			}
1014			break;
1015		}
1016		break;
1017	}
1018	return rc;
1019}
1020
1021static int
1022logSchemaControlValidate(
1023	Syntax		*syntax,
1024	struct berval	*valp )
1025{
1026	struct berval	val, bv;
1027	ber_len_t		i;
1028	int		rc = LDAP_SUCCESS;
1029
1030	assert( valp != NULL );
1031
1032	val = *valp;
1033
1034	/* check minimal size */
1035	if ( val.bv_len < STRLENOF( "{*}" ) ) {
1036		return LDAP_INVALID_SYNTAX;
1037	}
1038
1039	val.bv_len--;
1040
1041	/* check SEQUENCE boundaries */
1042	if ( val.bv_val[ 0 ] != '{' /*}*/ ||
1043		val.bv_val[ val.bv_len ] != /*{*/ '}' )
1044	{
1045		return LDAP_INVALID_SYNTAX;
1046	}
1047
1048	/* extract and check OID */
1049	for ( i = 1; i < val.bv_len; i++ ) {
1050		if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1051			break;
1052		}
1053	}
1054
1055	bv.bv_val = &val.bv_val[ i ];
1056
1057	for ( i++; i < val.bv_len; i++ ) {
1058		if ( ASCII_SPACE( val.bv_val[ i ] ) )
1059		{
1060			break;
1061		}
1062	}
1063
1064	bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
1065
1066	rc = numericoidValidate( NULL, &bv );
1067	if ( rc != LDAP_SUCCESS ) {
1068		return rc;
1069	}
1070
1071	if ( i == val.bv_len ) {
1072		return LDAP_SUCCESS;
1073	}
1074
1075	if ( val.bv_val[ i ] != ' ' ) {
1076		return LDAP_INVALID_SYNTAX;
1077	}
1078
1079	for ( i++; i < val.bv_len; i++ ) {
1080		if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1081			break;
1082		}
1083	}
1084
1085	if ( i == val.bv_len ) {
1086		return LDAP_SUCCESS;
1087	}
1088
1089	/* extract and check criticality */
1090	if ( strncasecmp( &val.bv_val[ i ], "criticality ", STRLENOF( "criticality " ) ) == 0 )
1091	{
1092		i += STRLENOF( "criticality " );
1093		for ( ; i < val.bv_len; i++ ) {
1094			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1095				break;
1096			}
1097		}
1098
1099		if ( i == val.bv_len ) {
1100			return LDAP_INVALID_SYNTAX;
1101		}
1102
1103		bv.bv_val = &val.bv_val[ i ];
1104
1105		for ( ; i < val.bv_len; i++ ) {
1106			if ( ASCII_SPACE( val.bv_val[ i ] ) ) {
1107				break;
1108			}
1109		}
1110
1111		bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
1112
1113		if ( !bvmatch( &bv, &slap_true_bv ) && !bvmatch( &bv, &slap_false_bv ) )
1114		{
1115			return LDAP_INVALID_SYNTAX;
1116		}
1117
1118		if ( i == val.bv_len ) {
1119			return LDAP_SUCCESS;
1120		}
1121
1122		if ( val.bv_val[ i ] != ' ' ) {
1123			return LDAP_INVALID_SYNTAX;
1124		}
1125
1126		for ( i++; i < val.bv_len; i++ ) {
1127			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1128				break;
1129			}
1130		}
1131
1132		if ( i == val.bv_len ) {
1133			return LDAP_SUCCESS;
1134		}
1135	}
1136
1137	/* extract and check controlValue */
1138	if ( strncasecmp( &val.bv_val[ i ], "controlValue ", STRLENOF( "controlValue " ) ) == 0 )
1139	{
1140		ber_len_t valueStart, valueLen;
1141
1142		i += STRLENOF( "controlValue " );
1143		for ( ; i < val.bv_len; i++ ) {
1144			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1145				break;
1146			}
1147		}
1148
1149		if ( i == val.bv_len ) {
1150			return LDAP_INVALID_SYNTAX;
1151		}
1152
1153		if ( val.bv_val[ i ] != '"' ) {
1154			return LDAP_INVALID_SYNTAX;
1155		}
1156
1157		i++;
1158		valueStart = i;
1159
1160		for ( ; i < val.bv_len; i++ ) {
1161			if ( val.bv_val[ i ] == '"' ) {
1162				break;
1163			}
1164
1165			if ( !ASCII_HEX( val.bv_val[ i ] ) ) {
1166				return LDAP_INVALID_SYNTAX;
1167			}
1168		}
1169
1170		if ( val.bv_val[ i ] != '"' ) {
1171			return LDAP_INVALID_SYNTAX;
1172		}
1173
1174		valueLen = i - valueStart;
1175		if ( (valueLen/2)*2 != valueLen ) {
1176			return LDAP_INVALID_SYNTAX;
1177		}
1178
1179		for ( i++; i < val.bv_len; i++ ) {
1180			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1181				break;
1182			}
1183		}
1184
1185		if ( i == val.bv_len ) {
1186			return LDAP_SUCCESS;
1187		}
1188	}
1189
1190	return LDAP_INVALID_SYNTAX;
1191}
1192
1193static int
1194accesslog_ctrls(
1195	LDAPControl **ctrls,
1196	BerVarray *valsp,
1197	BerVarray *nvalsp,
1198	void *memctx )
1199{
1200	long		i, rc = 0;
1201
1202	assert( valsp != NULL );
1203	assert( ctrls != NULL );
1204
1205	*valsp = NULL;
1206	*nvalsp = NULL;
1207
1208	for ( i = 0; ctrls[ i ] != NULL; i++ ) {
1209		struct berval	idx,
1210				oid,
1211				noid,
1212				bv;
1213		char		*ptr,
1214				buf[ 32 ];
1215
1216		if ( ctrls[ i ]->ldctl_oid == NULL ) {
1217			return LDAP_PROTOCOL_ERROR;
1218		}
1219
1220		idx.bv_len = snprintf( buf, sizeof( buf ), "{%ld}", i );
1221		idx.bv_val = buf;
1222
1223		ber_str2bv( ctrls[ i ]->ldctl_oid, 0, 0, &oid );
1224		noid.bv_len = idx.bv_len + oid.bv_len;
1225		ptr = noid.bv_val = ber_memalloc_x( noid.bv_len + 1, memctx );
1226		ptr = lutil_strcopy( ptr, idx.bv_val );
1227		ptr = lutil_strcopy( ptr, oid.bv_val );
1228
1229		bv.bv_len = idx.bv_len + STRLENOF( "{}" ) + oid.bv_len;
1230
1231		if ( ctrls[ i ]->ldctl_iscritical ) {
1232			bv.bv_len += STRLENOF( " criticality TRUE" );
1233		}
1234
1235		if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
1236			bv.bv_len += STRLENOF( " controlValue \"\"" )
1237				+ 2 * ctrls[ i ]->ldctl_value.bv_len;
1238		}
1239
1240		ptr = bv.bv_val = ber_memalloc_x( bv.bv_len + 1, memctx );
1241		if ( ptr == NULL ) {
1242			ber_bvarray_free( *valsp );
1243			*valsp = NULL;
1244			ber_bvarray_free( *nvalsp );
1245			*nvalsp = NULL;
1246			return LDAP_OTHER;
1247		}
1248
1249		ptr = lutil_strcopy( ptr, idx.bv_val );
1250
1251		*ptr++ = '{' /*}*/ ;
1252		ptr = lutil_strcopy( ptr, oid.bv_val );
1253
1254		if ( ctrls[ i ]->ldctl_iscritical ) {
1255			ptr = lutil_strcopy( ptr, " criticality TRUE" );
1256		}
1257
1258		if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
1259			ber_len_t	j;
1260
1261			ptr = lutil_strcopy( ptr, " controlValue \"" );
1262			for ( j = 0; j < ctrls[ i ]->ldctl_value.bv_len; j++ ) {
1263				*ptr++ = SLAP_ESCAPE_HI(ctrls[ i ]->ldctl_value.bv_val[ j ]);
1264				*ptr++ = SLAP_ESCAPE_LO(ctrls[ i ]->ldctl_value.bv_val[ j ]);
1265			}
1266
1267			*ptr++ = '"';
1268		}
1269
1270		*ptr++ = '}';
1271		*ptr = '\0';
1272
1273		ber_bvarray_add_x( valsp, &bv, memctx );
1274		ber_bvarray_add_x( nvalsp, &noid, memctx );
1275	}
1276
1277	return rc;
1278
1279}
1280
1281static Entry *accesslog_entry( Operation *op, SlapReply *rs, int logop,
1282	Operation *op2 ) {
1283	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1284	log_info *li = on->on_bi.bi_private;
1285
1286	char rdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
1287	char nrdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
1288
1289	struct berval rdn, nrdn, timestamp, ntimestamp, bv;
1290	slap_verbmasks *lo = logops+logop+EN_OFFSET;
1291
1292	Entry *e = entry_alloc();
1293
1294	strcpy( rdnbuf, RDNEQ );
1295	rdn.bv_val = rdnbuf;
1296	strcpy( nrdnbuf, RDNEQ );
1297	nrdn.bv_val = nrdnbuf;
1298
1299	timestamp.bv_val = rdnbuf+STRLENOF(RDNEQ);
1300	timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
1301	slap_timestamp( &op->o_time, &timestamp );
1302	snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op->o_tincr );
1303	timestamp.bv_len += STRLENOF(".123456");
1304
1305	rdn.bv_len = STRLENOF(RDNEQ)+timestamp.bv_len;
1306	ad_reqStart->ad_type->sat_equality->smr_normalize(
1307		SLAP_MR_VALUE_OF_ASSERTION_SYNTAX, ad_reqStart->ad_type->sat_syntax,
1308		ad_reqStart->ad_type->sat_equality, &timestamp, &ntimestamp,
1309		op->o_tmpmemctx );
1310
1311	strcpy( nrdn.bv_val + STRLENOF(RDNEQ), ntimestamp.bv_val );
1312	nrdn.bv_len = STRLENOF(RDNEQ)+ntimestamp.bv_len;
1313	build_new_dn( &e->e_name, li->li_db->be_suffix, &rdn, NULL );
1314	build_new_dn( &e->e_nname, li->li_db->be_nsuffix, &nrdn, NULL );
1315
1316	attr_merge_one( e, slap_schema.si_ad_objectClass,
1317		&log_ocs[logop]->soc_cname, NULL );
1318	attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
1319		&log_ocs[logop]->soc_cname, NULL );
1320	attr_merge_one( e, ad_reqStart, &timestamp, &ntimestamp );
1321	op->o_tmpfree( ntimestamp.bv_val, op->o_tmpmemctx );
1322
1323	slap_op_time( &op2->o_time, &op2->o_tincr );
1324
1325	timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
1326	slap_timestamp( &op2->o_time, &timestamp );
1327	snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op2->o_tincr );
1328	timestamp.bv_len += STRLENOF(".123456");
1329
1330	attr_merge_normalize_one( e, ad_reqEnd, &timestamp, op->o_tmpmemctx );
1331
1332	/* Exops have OID appended */
1333	if ( logop == LOG_EN_EXTENDED ) {
1334		bv.bv_len = lo->word.bv_len + op->ore_reqoid.bv_len + 2;
1335		bv.bv_val = ch_malloc( bv.bv_len + 1 );
1336		AC_MEMCPY( bv.bv_val, lo->word.bv_val, lo->word.bv_len );
1337		bv.bv_val[lo->word.bv_len] = '{';
1338		AC_MEMCPY( bv.bv_val+lo->word.bv_len+1, op->ore_reqoid.bv_val,
1339			op->ore_reqoid.bv_len );
1340		bv.bv_val[bv.bv_len-1] = '}';
1341		bv.bv_val[bv.bv_len] = '\0';
1342		attr_merge_one( e, ad_reqType, &bv, NULL );
1343	} else {
1344		attr_merge_one( e, ad_reqType, &lo->word, NULL );
1345	}
1346
1347	rdn.bv_len = snprintf( rdn.bv_val, sizeof( rdnbuf ), "%lu", op->o_connid );
1348	if ( rdn.bv_len < sizeof( rdnbuf ) ) {
1349		attr_merge_one( e, ad_reqSession, &rdn, NULL );
1350	} /* else? */
1351
1352	if ( BER_BVISNULL( &op->o_dn ) ) {
1353		attr_merge_one( e, ad_reqAuthzID, (struct berval *)&slap_empty_bv,
1354			(struct berval *)&slap_empty_bv );
1355	} else {
1356		attr_merge_one( e, ad_reqAuthzID, &op->o_dn, &op->o_ndn );
1357	}
1358
1359	/* FIXME: need to add reqControls and reqRespControls */
1360	if ( op->o_ctrls ) {
1361		BerVarray	vals = NULL,
1362				nvals = NULL;
1363
1364		if ( accesslog_ctrls( op->o_ctrls, &vals, &nvals,
1365			op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
1366		{
1367			attr_merge( e, ad_reqControls, vals, nvals );
1368			ber_bvarray_free_x( vals, op->o_tmpmemctx );
1369			ber_bvarray_free_x( nvals, op->o_tmpmemctx );
1370		}
1371	}
1372
1373	if ( rs->sr_ctrls ) {
1374		BerVarray	vals = NULL,
1375				nvals = NULL;
1376
1377		if ( accesslog_ctrls( rs->sr_ctrls, &vals, &nvals,
1378			op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
1379		{
1380			attr_merge( e, ad_reqRespControls, vals, nvals );
1381			ber_bvarray_free_x( vals, op->o_tmpmemctx );
1382			ber_bvarray_free_x( nvals, op->o_tmpmemctx );
1383		}
1384
1385	}
1386
1387	return e;
1388}
1389
1390static struct berval scopes[] = {
1391	BER_BVC("base"),
1392	BER_BVC("one"),
1393	BER_BVC("sub"),
1394	BER_BVC("subord")
1395};
1396
1397static struct berval derefs[] = {
1398	BER_BVC("never"),
1399	BER_BVC("searching"),
1400	BER_BVC("finding"),
1401	BER_BVC("always")
1402};
1403
1404static struct berval simple = BER_BVC("SIMPLE");
1405
1406static void accesslog_val2val(AttributeDescription *ad, struct berval *val,
1407	char c_op, struct berval *dst) {
1408	char *ptr;
1409
1410	dst->bv_len = ad->ad_cname.bv_len + val->bv_len + 2;
1411	if ( c_op ) dst->bv_len++;
1412
1413	dst->bv_val = ch_malloc( dst->bv_len+1 );
1414
1415	ptr = lutil_strcopy( dst->bv_val, ad->ad_cname.bv_val );
1416	*ptr++ = ':';
1417	if ( c_op )
1418		*ptr++ = c_op;
1419	*ptr++ = ' ';
1420	AC_MEMCPY( ptr, val->bv_val, val->bv_len );
1421	dst->bv_val[dst->bv_len] = '\0';
1422}
1423
1424static int accesslog_response(Operation *op, SlapReply *rs) {
1425	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1426	log_info *li = on->on_bi.bi_private;
1427	Attribute *a, *last_attr;
1428	Modifications *m;
1429	struct berval *b;
1430	int i;
1431	int logop;
1432	slap_verbmasks *lo;
1433	Entry *e = NULL, *old = NULL;
1434	char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE+8];
1435	struct berval bv;
1436	char *ptr;
1437	BerVarray vals;
1438	Operation op2 = {0};
1439	SlapReply rs2 = {REP_RESULT};
1440
1441	if ( rs->sr_type != REP_RESULT && rs->sr_type != REP_EXTENDED )
1442		return SLAP_CB_CONTINUE;
1443
1444	switch ( op->o_tag ) {
1445	case LDAP_REQ_ADD:		logop = LOG_EN_ADD; break;
1446	case LDAP_REQ_DELETE:	logop = LOG_EN_DELETE; break;
1447	case LDAP_REQ_MODIFY:	logop = LOG_EN_MODIFY; break;
1448	case LDAP_REQ_MODRDN:	logop = LOG_EN_MODRDN; break;
1449	case LDAP_REQ_COMPARE:	logop = LOG_EN_COMPARE; break;
1450	case LDAP_REQ_SEARCH:	logop = LOG_EN_SEARCH; break;
1451	case LDAP_REQ_BIND:		logop = LOG_EN_BIND; break;
1452	case LDAP_REQ_EXTENDED:	logop = LOG_EN_EXTENDED; break;
1453	default:	/* unknown operation type */
1454		logop = LOG_EN_UNKNOWN; break;
1455	}	/* Unbind and Abandon never reach here */
1456
1457	lo = logops+logop+EN_OFFSET;
1458	if ( !( li->li_ops & lo->mask )) {
1459		log_base *lb;
1460
1461		i = 0;
1462		for ( lb = li->li_bases; lb; lb=lb->lb_next )
1463			if (( lb->lb_ops & lo->mask ) && dnIsSuffix( &op->o_req_ndn, &lb->lb_base )) {
1464				i = 1;
1465				break;
1466			}
1467		if ( !i )
1468			return SLAP_CB_CONTINUE;
1469	}
1470
1471	if ( lo->mask & LOG_OP_WRITES ) {
1472		slap_callback *cb;
1473
1474		/* These internal ops are not logged */
1475		if ( op->o_dont_replicate && op->orm_no_opattrs )
1476			return SLAP_CB_CONTINUE;
1477
1478		ldap_pvt_thread_mutex_lock( &li->li_log_mutex );
1479		old = li->li_old;
1480		li->li_old = NULL;
1481		/* Disarm mod_cleanup */
1482		for ( cb = op->o_callback; cb; cb = cb->sc_next ) {
1483			if ( cb->sc_private == (void *)on ) {
1484				cb->sc_private = NULL;
1485				break;
1486			}
1487		}
1488		ldap_pvt_thread_rmutex_unlock( &li->li_op_rmutex, op->o_tid );
1489	}
1490
1491	if ( li->li_success && rs->sr_err != LDAP_SUCCESS )
1492		goto done;
1493
1494	e = accesslog_entry( op, rs, logop, &op2 );
1495
1496	attr_merge_one( e, ad_reqDN, &op->o_req_dn, &op->o_req_ndn );
1497
1498	if ( rs->sr_text ) {
1499		ber_str2bv( rs->sr_text, 0, 0, &bv );
1500		attr_merge_one( e, ad_reqMessage, &bv, NULL );
1501	}
1502	bv.bv_len = snprintf( timebuf, sizeof( timebuf ), "%d", rs->sr_err );
1503	if ( bv.bv_len < sizeof( timebuf ) ) {
1504		bv.bv_val = timebuf;
1505		attr_merge_one( e, ad_reqResult, &bv, NULL );
1506	}
1507
1508	last_attr = attr_find( e->e_attrs, ad_reqResult );
1509
1510	switch( logop ) {
1511	case LOG_EN_ADD:
1512	case LOG_EN_DELETE: {
1513		char c_op;
1514		Entry *e2;
1515
1516		if ( logop == LOG_EN_ADD ) {
1517			e2 = op->ora_e;
1518			c_op = '+';
1519		} else {
1520			if ( !old )
1521				break;
1522			e2 = old;
1523			c_op = 0;
1524		}
1525		/* count all the vals */
1526		i = 0;
1527		for ( a=e2->e_attrs; a; a=a->a_next ) {
1528			i += a->a_numvals;
1529		}
1530		vals = ch_malloc( (i+1) * sizeof( struct berval ));
1531		i = 0;
1532		for ( a=e2->e_attrs; a; a=a->a_next ) {
1533			if ( a->a_vals ) {
1534				for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1535					accesslog_val2val( a->a_desc, b, c_op, &vals[i] );
1536				}
1537			}
1538		}
1539		vals[i].bv_val = NULL;
1540		vals[i].bv_len = 0;
1541		a = attr_alloc( logop == LOG_EN_ADD ? ad_reqMod : ad_reqOld );
1542		a->a_numvals = i;
1543		a->a_vals = vals;
1544		a->a_nvals = vals;
1545		last_attr->a_next = a;
1546		break;
1547	}
1548
1549	case LOG_EN_MODRDN:
1550	case LOG_EN_MODIFY:
1551		/* count all the mods */
1552		i = 0;
1553		for ( m = op->orm_modlist; m; m = m->sml_next ) {
1554			if ( m->sml_values ) {
1555				i += m->sml_numvals;
1556			} else if ( m->sml_op == LDAP_MOD_DELETE ||
1557				m->sml_op == LDAP_MOD_REPLACE )
1558			{
1559				i++;
1560			}
1561		}
1562		vals = ch_malloc( (i+1) * sizeof( struct berval ));
1563		i = 0;
1564
1565		/* init flags on old entry */
1566		if ( old ) {
1567			for ( a = old->e_attrs; a; a = a->a_next ) {
1568				log_attr *la;
1569				a->a_flags = 0;
1570
1571				/* look for attrs that are always logged */
1572				for ( la = li->li_oldattrs; la; la = la->next ) {
1573					if ( a->a_desc == la->attr ) {
1574						a->a_flags = 1;
1575					}
1576				}
1577			}
1578		}
1579
1580		for ( m = op->orm_modlist; m; m = m->sml_next ) {
1581			/* Mark this attribute as modified */
1582			if ( old ) {
1583				a = attr_find( old->e_attrs, m->sml_desc );
1584				if ( a ) {
1585					a->a_flags = 1;
1586				}
1587			}
1588
1589			/* don't log the RDN mods; they're explicitly logged later */
1590			if ( logop == LOG_EN_MODRDN &&
1591			 	( m->sml_op == SLAP_MOD_SOFTADD ||
1592				  m->sml_op == LDAP_MOD_DELETE ) )
1593			{
1594				continue;
1595			}
1596
1597			if ( m->sml_values ) {
1598				for ( b = m->sml_values; !BER_BVISNULL( b ); b++, i++ ) {
1599					char c_op;
1600
1601					switch ( m->sml_op ) {
1602					case LDAP_MOD_ADD: c_op = '+'; break;
1603					case LDAP_MOD_DELETE:	c_op = '-'; break;
1604					case LDAP_MOD_REPLACE:	c_op = '='; break;
1605					case LDAP_MOD_INCREMENT:	c_op = '#'; break;
1606
1607					/* unknown op. there shouldn't be any of these. we
1608					 * don't know what to do with it, but we shouldn't just
1609					 * ignore it.
1610					 */
1611					default: c_op = '?'; break;
1612					}
1613					accesslog_val2val( m->sml_desc, b, c_op, &vals[i] );
1614				}
1615			} else if ( m->sml_op == LDAP_MOD_DELETE ||
1616				m->sml_op == LDAP_MOD_REPLACE )
1617			{
1618				vals[i].bv_len = m->sml_desc->ad_cname.bv_len + 2;
1619				vals[i].bv_val = ch_malloc( vals[i].bv_len + 1 );
1620				ptr = lutil_strcopy( vals[i].bv_val,
1621					m->sml_desc->ad_cname.bv_val );
1622				*ptr++ = ':';
1623				if ( m->sml_op == LDAP_MOD_DELETE ) {
1624					*ptr++ = '-';
1625				} else {
1626					*ptr++ = '=';
1627				}
1628				*ptr = '\0';
1629				i++;
1630			}
1631		}
1632
1633		if ( i > 0 ) {
1634			BER_BVZERO( &vals[i] );
1635			a = attr_alloc( ad_reqMod );
1636			a->a_numvals = i;
1637			a->a_vals = vals;
1638			a->a_nvals = vals;
1639			last_attr->a_next = a;
1640			last_attr = a;
1641
1642		} else {
1643			ch_free( vals );
1644		}
1645
1646		if ( old ) {
1647			/* count all the vals */
1648			i = 0;
1649			for ( a = old->e_attrs; a != NULL; a = a->a_next ) {
1650				if ( a->a_vals && a->a_flags ) {
1651					i += a->a_numvals;
1652				}
1653			}
1654			if ( i ) {
1655				vals = ch_malloc( (i + 1) * sizeof( struct berval ) );
1656				i = 0;
1657				for ( a=old->e_attrs; a; a=a->a_next ) {
1658					if ( a->a_vals && a->a_flags ) {
1659						for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1660							accesslog_val2val( a->a_desc, b, 0, &vals[i] );
1661						}
1662					}
1663				}
1664				vals[i].bv_val = NULL;
1665				vals[i].bv_len = 0;
1666				a = attr_alloc( ad_reqOld );
1667				a->a_numvals = i;
1668				a->a_vals = vals;
1669				a->a_nvals = vals;
1670				last_attr->a_next = a;
1671			}
1672		}
1673		if ( logop == LOG_EN_MODIFY ) {
1674			break;
1675		}
1676
1677		/* Now log the actual modRDN info */
1678		attr_merge_one( e, ad_reqNewRDN, &op->orr_newrdn, &op->orr_nnewrdn );
1679		attr_merge_one( e, ad_reqDeleteOldRDN, op->orr_deleteoldrdn ?
1680			(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1681			NULL );
1682		if ( op->orr_newSup ) {
1683			attr_merge_one( e, ad_reqNewSuperior, op->orr_newSup, op->orr_nnewSup );
1684		}
1685		break;
1686
1687	case LOG_EN_COMPARE:
1688		bv.bv_len = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
1689			op->orc_ava->aa_value.bv_len;
1690		bv.bv_val = op->o_tmpalloc( bv.bv_len+1, op->o_tmpmemctx );
1691		ptr = lutil_strcopy( bv.bv_val, op->orc_ava->aa_desc->ad_cname.bv_val );
1692		*ptr++ = '=';
1693		AC_MEMCPY( ptr, op->orc_ava->aa_value.bv_val, op->orc_ava->aa_value.bv_len );
1694		bv.bv_val[bv.bv_len] = '\0';
1695		attr_merge_one( e, ad_reqAssertion, &bv, NULL );
1696		op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1697		break;
1698
1699	case LOG_EN_SEARCH:
1700		attr_merge_one( e, ad_reqScope, &scopes[op->ors_scope], NULL );
1701		attr_merge_one( e, ad_reqDerefAliases, &derefs[op->ors_deref], NULL );
1702		attr_merge_one( e, ad_reqAttrsOnly, op->ors_attrsonly ?
1703			(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1704			NULL );
1705		if ( !BER_BVISEMPTY( &op->ors_filterstr ))
1706			attr_merge_one( e, ad_reqFilter, &op->ors_filterstr, NULL );
1707		if ( op->ors_attrs ) {
1708			int j;
1709			/* count them */
1710			for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1711				;
1712			vals = op->o_tmpalloc( (i+1) * sizeof(struct berval),
1713				op->o_tmpmemctx );
1714			for (i=0, j=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++) {
1715				if (!BER_BVISEMPTY(&op->ors_attrs[i].an_name)) {
1716					vals[j] = op->ors_attrs[i].an_name;
1717					j++;
1718				}
1719			}
1720			BER_BVZERO(&vals[j]);
1721			attr_merge( e, ad_reqAttr, vals, NULL );
1722			op->o_tmpfree( vals, op->o_tmpmemctx );
1723		}
1724		bv.bv_val = timebuf;
1725		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", rs->sr_nentries );
1726		if ( bv.bv_len < sizeof( timebuf ) ) {
1727			attr_merge_one( e, ad_reqEntries, &bv, NULL );
1728		} /* else? */
1729
1730		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_tlimit );
1731		if ( bv.bv_len < sizeof( timebuf ) ) {
1732			attr_merge_one( e, ad_reqTimeLimit, &bv, NULL );
1733		} /* else? */
1734
1735		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_slimit );
1736		if ( bv.bv_len < sizeof( timebuf ) ) {
1737			attr_merge_one( e, ad_reqSizeLimit, &bv, NULL );
1738		} /* else? */
1739		break;
1740
1741	case LOG_EN_BIND:
1742		bv.bv_val = timebuf;
1743		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->o_protocol );
1744		if ( bv.bv_len < sizeof( timebuf ) ) {
1745			attr_merge_one( e, ad_reqVersion, &bv, NULL );
1746		} /* else? */
1747		if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
1748			attr_merge_one( e, ad_reqMethod, &simple, NULL );
1749		} else {
1750			bv.bv_len = STRLENOF("SASL()") + op->orb_mech.bv_len;
1751			bv.bv_val = op->o_tmpalloc( bv.bv_len + 1, op->o_tmpmemctx );
1752			ptr = lutil_strcopy( bv.bv_val, "SASL(" );
1753			ptr = lutil_strcopy( ptr, op->orb_mech.bv_val );
1754			*ptr++ = ')';
1755			*ptr = '\0';
1756			attr_merge_one( e, ad_reqMethod, &bv, NULL );
1757			op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1758		}
1759
1760		break;
1761
1762	case LOG_EN_EXTENDED:
1763		if ( op->ore_reqdata ) {
1764			attr_merge_one( e, ad_reqData, op->ore_reqdata, NULL );
1765		}
1766		break;
1767
1768	case LOG_EN_UNKNOWN:
1769		/* we don't know its parameters, don't add any */
1770		break;
1771	}
1772
1773	op2.o_hdr = op->o_hdr;
1774	op2.o_tag = LDAP_REQ_ADD;
1775	op2.o_bd = li->li_db;
1776	op2.o_dn = li->li_db->be_rootdn;
1777	op2.o_ndn = li->li_db->be_rootndn;
1778	op2.o_req_dn = e->e_name;
1779	op2.o_req_ndn = e->e_nname;
1780	op2.ora_e = e;
1781	op2.o_callback = &nullsc;
1782
1783	if (( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn )) {
1784		slap_queue_csn( &op2, &op->o_csn );
1785	}
1786
1787	op2.o_bd->be_add( &op2, &rs2 );
1788	if ( e == op2.ora_e ) entry_free( e );
1789	e = NULL;
1790
1791done:
1792	if ( lo->mask & LOG_OP_WRITES )
1793		ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );
1794	if ( old ) entry_free( old );
1795	return SLAP_CB_CONTINUE;
1796}
1797
1798/* Since Bind success is sent by the frontend, it won't normally enter
1799 * the overlay response callback. Add another callback to make sure it
1800 * gets here.
1801 */
1802static int
1803accesslog_bind_resp( Operation *op, SlapReply *rs )
1804{
1805	BackendDB *be, db;
1806	int rc;
1807	slap_callback *sc;
1808
1809	be = op->o_bd;
1810	db = *be;
1811	op->o_bd = &db;
1812	db.bd_info = op->o_callback->sc_private;
1813	rc = accesslog_response( op, rs );
1814	op->o_bd = be;
1815	sc = op->o_callback;
1816	op->o_callback = sc->sc_next;
1817	op->o_tmpfree( sc, op->o_tmpmemctx );
1818	return rc;
1819}
1820
1821static int
1822accesslog_op_bind( Operation *op, SlapReply *rs )
1823{
1824	slap_callback *sc;
1825
1826	sc = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
1827	sc->sc_response = accesslog_bind_resp;
1828	sc->sc_private = op->o_bd->bd_info;
1829
1830	if ( op->o_callback ) {
1831		sc->sc_next = op->o_callback->sc_next;
1832		op->o_callback->sc_next = sc;
1833	} else {
1834		op->o_callback = sc;
1835	}
1836	return SLAP_CB_CONTINUE;
1837}
1838
1839static int
1840accesslog_mod_cleanup( Operation *op, SlapReply *rs )
1841{
1842	slap_callback *sc = op->o_callback;
1843	slap_overinst *on = sc->sc_private;
1844	op->o_callback = sc->sc_next;
1845
1846	op->o_tmpfree( sc, op->o_tmpmemctx );
1847
1848	if ( on ) {
1849		BackendInfo *bi = op->o_bd->bd_info;
1850		op->o_bd->bd_info = (BackendInfo *)on;
1851		accesslog_response( op, rs );
1852		op->o_bd->bd_info = bi;
1853	}
1854	return 0;
1855}
1856
1857static int
1858accesslog_op_mod( Operation *op, SlapReply *rs )
1859{
1860	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1861	log_info *li = on->on_bi.bi_private;
1862	int doit = 0;
1863
1864	/* These internal ops are not logged */
1865	if ( op->o_dont_replicate && op->orm_no_opattrs )
1866		return SLAP_CB_CONTINUE;
1867
1868
1869	if ( li->li_ops & LOG_OP_WRITES ) {
1870		doit = 1;
1871	} else {
1872		log_base *lb;
1873		for ( lb = li->li_bases; lb; lb = lb->lb_next )
1874			if (( lb->lb_ops & LOG_OP_WRITES ) && dnIsSuffix( &op->o_req_ndn, &lb->lb_base )) {
1875				doit = 1;
1876				break;
1877			}
1878	}
1879
1880	if ( doit ) {
1881		slap_callback *cb = op->o_tmpalloc( sizeof( slap_callback ), op->o_tmpmemctx ), *cb2;
1882		cb->sc_cleanup = accesslog_mod_cleanup;
1883		cb->sc_response = NULL;
1884		cb->sc_private = on;
1885		cb->sc_next = NULL;
1886		for ( cb2 = op->o_callback; cb2->sc_next; cb2 = cb2->sc_next );
1887		cb2->sc_next = cb;
1888
1889		ldap_pvt_thread_rmutex_lock( &li->li_op_rmutex, op->o_tid );
1890		if ( li->li_oldf && ( op->o_tag == LDAP_REQ_DELETE ||
1891			op->o_tag == LDAP_REQ_MODIFY ||
1892			( op->o_tag == LDAP_REQ_MODRDN && li->li_oldattrs ))) {
1893			int rc;
1894			Entry *e;
1895
1896			op->o_bd->bd_info = (BackendInfo *)on->on_info;
1897			rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1898			if ( e ) {
1899				if ( test_filter( op, e, li->li_oldf ) == LDAP_COMPARE_TRUE )
1900					li->li_old = entry_dup( e );
1901				be_entry_release_rw( op, e, 0 );
1902			}
1903			op->o_bd->bd_info = (BackendInfo *)on;
1904		}
1905	}
1906	return SLAP_CB_CONTINUE;
1907}
1908
1909/* unbinds are broadcast to all backends; we only log it if this
1910 * backend was used for the original bind.
1911 */
1912static int
1913accesslog_unbind( Operation *op, SlapReply *rs )
1914{
1915	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1916	if ( op->o_conn->c_authz_backend == on->on_info->oi_origdb ) {
1917		log_info *li = on->on_bi.bi_private;
1918		Operation op2 = {0};
1919		void *cids[SLAP_MAX_CIDS];
1920		SlapReply rs2 = {REP_RESULT};
1921		Entry *e;
1922
1923		if ( !( li->li_ops & LOG_OP_UNBIND )) {
1924			log_base *lb;
1925			int i = 0;
1926
1927			for ( lb = li->li_bases; lb; lb=lb->lb_next )
1928				if (( lb->lb_ops & LOG_OP_UNBIND ) && dnIsSuffix( &op->o_ndn, &lb->lb_base )) {
1929					i = 1;
1930					break;
1931				}
1932			if ( !i )
1933				return SLAP_CB_CONTINUE;
1934		}
1935
1936		e = accesslog_entry( op, rs, LOG_EN_UNBIND, &op2 );
1937		op2.o_hdr = op->o_hdr;
1938		op2.o_tag = LDAP_REQ_ADD;
1939		op2.o_bd = li->li_db;
1940		op2.o_dn = li->li_db->be_rootdn;
1941		op2.o_ndn = li->li_db->be_rootndn;
1942		op2.o_req_dn = e->e_name;
1943		op2.o_req_ndn = e->e_nname;
1944		op2.ora_e = e;
1945		op2.o_callback = &nullsc;
1946		op2.o_controls = cids;
1947		memset(cids, 0, sizeof( cids ));
1948
1949		op2.o_bd->be_add( &op2, &rs2 );
1950		if ( e == op2.ora_e )
1951			entry_free( e );
1952	}
1953	return SLAP_CB_CONTINUE;
1954}
1955
1956static int
1957accesslog_abandon( Operation *op, SlapReply *rs )
1958{
1959	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1960	log_info *li = on->on_bi.bi_private;
1961	Operation op2 = {0};
1962	void *cids[SLAP_MAX_CIDS];
1963	SlapReply rs2 = {REP_RESULT};
1964	Entry *e;
1965	char buf[64];
1966	struct berval bv;
1967
1968	if ( !op->o_time )
1969		return SLAP_CB_CONTINUE;
1970
1971	if ( !( li->li_ops & LOG_OP_ABANDON )) {
1972		log_base *lb;
1973		int i = 0;
1974
1975		for ( lb = li->li_bases; lb; lb=lb->lb_next )
1976			if (( lb->lb_ops & LOG_OP_ABANDON ) && dnIsSuffix( &op->o_ndn, &lb->lb_base )) {
1977				i = 1;
1978				break;
1979			}
1980		if ( !i )
1981			return SLAP_CB_CONTINUE;
1982	}
1983
1984	e = accesslog_entry( op, rs, LOG_EN_ABANDON, &op2 );
1985	bv.bv_val = buf;
1986	bv.bv_len = snprintf( buf, sizeof( buf ), "%d", op->orn_msgid );
1987	if ( bv.bv_len < sizeof( buf ) ) {
1988		attr_merge_one( e, ad_reqId, &bv, NULL );
1989	} /* else? */
1990
1991	op2.o_hdr = op->o_hdr;
1992	op2.o_tag = LDAP_REQ_ADD;
1993	op2.o_bd = li->li_db;
1994	op2.o_dn = li->li_db->be_rootdn;
1995	op2.o_ndn = li->li_db->be_rootndn;
1996	op2.o_req_dn = e->e_name;
1997	op2.o_req_ndn = e->e_nname;
1998	op2.ora_e = e;
1999	op2.o_callback = &nullsc;
2000	op2.o_controls = cids;
2001	memset(cids, 0, sizeof( cids ));
2002
2003	op2.o_bd->be_add( &op2, &rs2 );
2004	if ( e == op2.ora_e )
2005		entry_free( e );
2006
2007	return SLAP_CB_CONTINUE;
2008}
2009
2010static int
2011accesslog_operational( Operation *op, SlapReply *rs )
2012{
2013	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2014	log_info *li = on->on_bi.bi_private;
2015
2016	if ( op->o_sync != SLAP_CONTROL_NONE )
2017		return SLAP_CB_CONTINUE;
2018
2019	if ( rs->sr_entry != NULL
2020		&& dn_match( &op->o_bd->be_nsuffix[0], &rs->sr_entry->e_nname ) )
2021	{
2022		Attribute	**ap;
2023
2024		for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
2025			/* just count */ ;
2026
2027		if ( SLAP_OPATTRS( rs->sr_attr_flags ) ||
2028				ad_inlist( ad_auditContext, rs->sr_attrs ) )
2029		{
2030			*ap = attr_alloc( ad_auditContext );
2031			attr_valadd( *ap,
2032				&li->li_db->be_suffix[0],
2033				&li->li_db->be_nsuffix[0], 1 );
2034		}
2035	}
2036
2037	return SLAP_CB_CONTINUE;
2038}
2039
2040static slap_overinst accesslog;
2041
2042static int
2043accesslog_db_init(
2044	BackendDB *be,
2045	ConfigReply *cr
2046)
2047{
2048	slap_overinst *on = (slap_overinst *)be->bd_info;
2049	log_info *li = ch_calloc(1, sizeof(log_info));
2050
2051	on->on_bi.bi_private = li;
2052	ldap_pvt_thread_rmutex_init( &li->li_op_rmutex );
2053	ldap_pvt_thread_mutex_init( &li->li_log_mutex );
2054	return 0;
2055}
2056
2057static int
2058accesslog_db_destroy(
2059	BackendDB *be,
2060	ConfigReply *cr
2061)
2062{
2063	slap_overinst *on = (slap_overinst *)be->bd_info;
2064	log_info *li = on->on_bi.bi_private;
2065	log_attr *la;
2066
2067	if ( li->li_oldf )
2068		filter_free( li->li_oldf );
2069	for ( la=li->li_oldattrs; la; la=li->li_oldattrs ) {
2070		li->li_oldattrs = la->next;
2071		ch_free( la );
2072	}
2073	ldap_pvt_thread_mutex_destroy( &li->li_log_mutex );
2074	ldap_pvt_thread_rmutex_destroy( &li->li_op_rmutex );
2075	free( li );
2076	return LDAP_SUCCESS;
2077}
2078
2079/* Create the logdb's root entry if it's missing */
2080static void *
2081accesslog_db_root(
2082	void *ctx,
2083	void *arg )
2084{
2085	struct re_s *rtask = arg;
2086	slap_overinst *on = rtask->arg;
2087	log_info *li = on->on_bi.bi_private;
2088
2089	Connection conn = {0};
2090	OperationBuffer opbuf;
2091	Operation *op;
2092
2093	Entry *e;
2094	int rc;
2095
2096	connection_fake_init( &conn, &opbuf, ctx );
2097	op = &opbuf.ob_op;
2098	op->o_bd = li->li_db;
2099	op->o_dn = li->li_db->be_rootdn;
2100	op->o_ndn = li->li_db->be_rootndn;
2101	rc = be_entry_get_rw( op, li->li_db->be_nsuffix, NULL, NULL, 0, &e );
2102
2103	if ( e ) {
2104		be_entry_release_rw( op, e, 0 );
2105
2106	} else {
2107		SlapReply rs = {REP_RESULT};
2108		struct berval rdn, nrdn, attr;
2109		char *ptr;
2110		AttributeDescription *ad = NULL;
2111		const char *text = NULL;
2112		Entry *e_ctx;
2113		BackendDB db;
2114
2115		e = entry_alloc();
2116		ber_dupbv( &e->e_name, li->li_db->be_suffix );
2117		ber_dupbv( &e->e_nname, li->li_db->be_nsuffix );
2118
2119		attr_merge_one( e, slap_schema.si_ad_objectClass,
2120			&log_container->soc_cname, NULL );
2121
2122		dnRdn( &e->e_name, &rdn );
2123		dnRdn( &e->e_nname, &nrdn );
2124		ptr = ber_bvchr( &rdn, '=' );
2125
2126		assert( ptr != NULL );
2127
2128		attr.bv_val = rdn.bv_val;
2129		attr.bv_len = ptr - rdn.bv_val;
2130
2131		slap_bv2ad( &attr, &ad, &text );
2132
2133		rdn.bv_val = ptr+1;
2134		rdn.bv_len -= attr.bv_len + 1;
2135		ptr = ber_bvchr( &nrdn, '=' );
2136		nrdn.bv_len -= ptr - nrdn.bv_val + 1;
2137		nrdn.bv_val = ptr+1;
2138		attr_merge_one( e, ad, &rdn, &nrdn );
2139
2140		/* Get contextCSN from main DB */
2141		op->o_bd = on->on_info->oi_origdb;
2142		rc = be_entry_get_rw( op, op->o_bd->be_nsuffix, NULL,
2143			slap_schema.si_ad_contextCSN, 0, &e_ctx );
2144
2145		if ( e_ctx ) {
2146			Attribute *a;
2147
2148			a = attr_find( e_ctx->e_attrs, slap_schema.si_ad_contextCSN );
2149			if ( a ) {
2150				/* FIXME: contextCSN could have multiple values!
2151				 * should select the one with the server's SID */
2152				attr_merge_one( e, slap_schema.si_ad_entryCSN,
2153					&a->a_vals[0], &a->a_nvals[0] );
2154				attr_merge( e, a->a_desc, a->a_vals, a->a_nvals );
2155			}
2156			be_entry_release_rw( op, e_ctx, 0 );
2157		}
2158		db = *li->li_db;
2159		op->o_bd = &db;
2160
2161		op->ora_e = e;
2162		op->o_req_dn = e->e_name;
2163		op->o_req_ndn = e->e_nname;
2164		op->o_callback = &nullsc;
2165		SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
2166		rc = op->o_bd->be_add( op, &rs );
2167		if ( e == op->ora_e )
2168			entry_free( e );
2169	}
2170	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
2171	ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
2172	ldap_pvt_runqueue_remove( &slapd_rq, rtask );
2173	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
2174
2175	return NULL;
2176}
2177
2178static int
2179accesslog_db_open(
2180	BackendDB *be,
2181	ConfigReply *cr
2182)
2183{
2184	slap_overinst *on = (slap_overinst *)be->bd_info;
2185	log_info *li = on->on_bi.bi_private;
2186
2187
2188	if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
2189		li->li_db = select_backend( &li->li_db_suffix, 0 );
2190		ch_free( li->li_db_suffix.bv_val );
2191		BER_BVZERO( &li->li_db_suffix );
2192	}
2193	if ( li->li_db == NULL ) {
2194		Debug( LDAP_DEBUG_ANY,
2195			"accesslog: \"logdb <suffix>\" missing or invalid.\n",
2196			0, 0, 0 );
2197		return 1;
2198	}
2199
2200	if ( slapMode & SLAP_TOOL_MODE )
2201		return 0;
2202
2203	if ( BER_BVISEMPTY( &li->li_db->be_rootndn )) {
2204		ber_dupbv( &li->li_db->be_rootdn, li->li_db->be_suffix );
2205		ber_dupbv( &li->li_db->be_rootndn, li->li_db->be_nsuffix );
2206	}
2207
2208	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
2209	ldap_pvt_runqueue_insert( &slapd_rq, 3600, accesslog_db_root, on,
2210		"accesslog_db_root", li->li_db->be_suffix[0].bv_val );
2211	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
2212
2213	return 0;
2214}
2215
2216int accesslog_initialize()
2217{
2218	int i, rc;
2219
2220	accesslog.on_bi.bi_type = "accesslog";
2221	accesslog.on_bi.bi_db_init = accesslog_db_init;
2222	accesslog.on_bi.bi_db_destroy = accesslog_db_destroy;
2223	accesslog.on_bi.bi_db_open = accesslog_db_open;
2224
2225	accesslog.on_bi.bi_op_add = accesslog_op_mod;
2226	accesslog.on_bi.bi_op_bind = accesslog_op_bind;
2227	accesslog.on_bi.bi_op_delete = accesslog_op_mod;
2228	accesslog.on_bi.bi_op_modify = accesslog_op_mod;
2229	accesslog.on_bi.bi_op_modrdn = accesslog_op_mod;
2230	accesslog.on_bi.bi_op_unbind = accesslog_unbind;
2231	accesslog.on_bi.bi_op_abandon = accesslog_abandon;
2232	accesslog.on_bi.bi_operational = accesslog_operational;
2233	accesslog.on_response = accesslog_response;
2234
2235	accesslog.on_bi.bi_cf_ocs = log_cfocs;
2236
2237	nullsc.sc_response = slap_null_cb;
2238
2239	rc = config_register_schema( log_cfats, log_cfocs );
2240	if ( rc ) return rc;
2241
2242	/* log schema integration */
2243	for ( i=0; lsyntaxes[i].oid; i++ ) {
2244		int code;
2245
2246		code = register_syntax( &lsyntaxes[ i ].syn );
2247		if ( code != 0 ) {
2248			Debug( LDAP_DEBUG_ANY,
2249				"accesslog_init: register_syntax failed\n",
2250				0, 0, 0 );
2251			return code;
2252		}
2253
2254		if ( lsyntaxes[i].mrs != NULL ) {
2255			code = mr_make_syntax_compat_with_mrs(
2256				lsyntaxes[i].oid, lsyntaxes[i].mrs );
2257			if ( code < 0 ) {
2258				Debug( LDAP_DEBUG_ANY,
2259					"accesslog_init: "
2260					"mr_make_syntax_compat_with_mrs "
2261					"failed\n",
2262					0, 0, 0 );
2263				return code;
2264			}
2265		}
2266	}
2267
2268	for ( i=0; lattrs[i].at; i++ ) {
2269		int code;
2270
2271		code = register_at( lattrs[i].at, lattrs[i].ad, 0 );
2272		if ( code ) {
2273			Debug( LDAP_DEBUG_ANY,
2274				"accesslog_init: register_at failed\n",
2275				0, 0, 0 );
2276			return -1;
2277		}
2278#ifndef LDAP_DEVEL
2279		(*lattrs[i].ad)->ad_type->sat_flags |= SLAP_AT_HIDE;
2280#endif
2281	}
2282
2283	for ( i=0; locs[i].ot; i++ ) {
2284		int code;
2285
2286		code = register_oc( locs[i].ot, locs[i].oc, 0 );
2287		if ( code ) {
2288			Debug( LDAP_DEBUG_ANY,
2289				"accesslog_init: register_oc failed\n",
2290				0, 0, 0 );
2291			return -1;
2292		}
2293#ifndef LDAP_DEVEL
2294		(*locs[i].oc)->soc_flags |= SLAP_OC_HIDE;
2295#endif
2296	}
2297
2298	return overlay_register(&accesslog);
2299}
2300
2301#if SLAPD_OVER_ACCESSLOG == SLAPD_MOD_DYNAMIC
2302int
2303init_module( int argc, char *argv[] )
2304{
2305	return accesslog_initialize();
2306}
2307#endif
2308
2309#endif /* SLAPD_OVER_ACCESSLOG */
2310