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 2005-2021 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 
54 typedef struct log_attr {
55 	struct log_attr *next;
56 	AttributeDescription *attr;
57 } log_attr;
58 
59 typedef 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 
66 typedef 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 	struct berval li_uuid;
77 	int li_success;
78 	log_base *li_bases;
79 	ldap_pvt_thread_rmutex_t li_op_rmutex;
80 	ldap_pvt_thread_mutex_t li_log_mutex;
81 } log_info;
82 
83 static ConfigDriver log_cf_gen;
84 
85 enum {
86 	LOG_DB = 1,
87 	LOG_OPS,
88 	LOG_PURGE,
89 	LOG_SUCCESS,
90 	LOG_OLD,
91 	LOG_OLDATTR,
92 	LOG_BASE
93 };
94 
95 static ConfigTable log_cfats[] = {
96 	{ "logdb", "suffix", 2, 2, 0, ARG_DN|ARG_MAGIC|LOG_DB,
97 		log_cf_gen, "( OLcfgOvAt:4.1 NAME 'olcAccessLogDB' "
98 			"DESC 'Suffix of database for log content' "
99 			"SUP distinguishedName SINGLE-VALUE )", NULL, NULL },
100 	{ "logops", "op|writes|reads|session|all", 2, 0, 0,
101 		ARG_MAGIC|LOG_OPS,
102 		log_cf_gen, "( OLcfgOvAt:4.2 NAME 'olcAccessLogOps' "
103 			"DESC 'Operation types to log' "
104 			"EQUALITY caseIgnoreMatch "
105 			"SYNTAX OMsDirectoryString )", NULL, NULL },
106 	{ "logpurge", "age> <interval", 3, 3, 0, ARG_MAGIC|LOG_PURGE,
107 		log_cf_gen, "( OLcfgOvAt:4.3 NAME 'olcAccessLogPurge' "
108 			"DESC 'Log cleanup parameters' "
109 			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
110 	{ "logsuccess", NULL, 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|LOG_SUCCESS,
111 		log_cf_gen, "( OLcfgOvAt:4.4 NAME 'olcAccessLogSuccess' "
112 			"DESC 'Log successful ops only' "
113 			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
114 	{ "logold", "filter", 2, 2, 0, ARG_MAGIC|LOG_OLD,
115 		log_cf_gen, "( OLcfgOvAt:4.5 NAME 'olcAccessLogOld' "
116 			"DESC 'Log old values when modifying entries matching the filter' "
117 			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
118 	{ "logoldattr", "attrs", 2, 0, 0, ARG_MAGIC|LOG_OLDATTR,
119 		log_cf_gen, "( OLcfgOvAt:4.6 NAME 'olcAccessLogOldAttr' "
120 			"DESC 'Log old values of these attributes even if unmodified' "
121 			"EQUALITY caseIgnoreMatch "
122 			"SYNTAX OMsDirectoryString )", NULL, NULL },
123 	{ "logbase", "op|writes|reads|session|all< <baseDN", 3, 3, 0,
124 		ARG_MAGIC|LOG_BASE,
125 		log_cf_gen, "( OLcfgOvAt:4.7 NAME 'olcAccessLogBase' "
126 			"DESC 'Operation types to log under a specific branch' "
127 			"EQUALITY caseIgnoreMatch "
128 			"SYNTAX OMsDirectoryString )", NULL, NULL },
129 	{ NULL }
130 };
131 
132 static ConfigOCs log_cfocs[] = {
133 	{ "( OLcfgOvOc:4.1 "
134 		"NAME 'olcAccessLogConfig' "
135 		"DESC 'Access log configuration' "
136 		"SUP olcOverlayConfig "
137 		"MUST olcAccessLogDB "
138 		"MAY ( olcAccessLogOps $ olcAccessLogPurge $ olcAccessLogSuccess $ "
139 			"olcAccessLogOld $ olcAccessLogOldAttr $ olcAccessLogBase ) )",
140 			Cft_Overlay, log_cfats },
141 	{ NULL }
142 };
143 
144 static slap_verbmasks logops[] = {
145 	{ BER_BVC("all"),		LOG_OP_ALL },
146 	{ BER_BVC("writes"),	LOG_OP_WRITES },
147 	{ BER_BVC("session"),	LOG_OP_SESSION },
148 	{ BER_BVC("reads"),		LOG_OP_READS },
149 	{ BER_BVC("add"),		LOG_OP_ADD },
150 	{ BER_BVC("delete"),	LOG_OP_DELETE },
151 	{ BER_BVC("modify"),	LOG_OP_MODIFY },
152 	{ BER_BVC("modrdn"),	LOG_OP_MODRDN },
153 	{ BER_BVC("compare"),	LOG_OP_COMPARE },
154 	{ BER_BVC("search"),	LOG_OP_SEARCH },
155 	{ BER_BVC("bind"),		LOG_OP_BIND },
156 	{ BER_BVC("unbind"),	LOG_OP_UNBIND },
157 	{ BER_BVC("abandon"),	LOG_OP_ABANDON },
158 	{ BER_BVC("extended"),	LOG_OP_EXTENDED },
159 	{ BER_BVC("unknown"),	LOG_OP_UNKNOWN },
160 	{ BER_BVNULL, 0 }
161 };
162 
163 /* Start with "add" in logops */
164 #define EN_OFFSET	4
165 
166 enum {
167 	LOG_EN_ADD = 0,
168 	LOG_EN_DELETE,
169 	LOG_EN_MODIFY,
170 	LOG_EN_MODRDN,
171 	LOG_EN_COMPARE,
172 	LOG_EN_SEARCH,
173 	LOG_EN_BIND,
174 	LOG_EN_UNBIND,
175 	LOG_EN_ABANDON,
176 	LOG_EN_EXTENDED,
177 	LOG_EN_UNKNOWN,
178 	LOG_EN__COUNT
179 };
180 
181 static ObjectClass *log_ocs[LOG_EN__COUNT], *log_container,
182 	*log_oc_read, *log_oc_write;
183 
184 #define LOG_SCHEMA_ROOT	"1.3.6.1.4.1.4203.666.11.5"
185 
186 #define LOG_SCHEMA_AT LOG_SCHEMA_ROOT ".1"
187 #define LOG_SCHEMA_OC LOG_SCHEMA_ROOT ".2"
188 #define LOG_SCHEMA_SYN LOG_SCHEMA_ROOT ".3"
189 
190 static AttributeDescription *ad_reqDN, *ad_reqStart, *ad_reqEnd, *ad_reqType,
191 	*ad_reqSession, *ad_reqResult, *ad_reqAuthzID, *ad_reqControls,
192 	*ad_reqRespControls, *ad_reqMethod, *ad_reqAssertion, *ad_reqNewRDN,
193 	*ad_reqNewSuperior, *ad_reqDeleteOldRDN, *ad_reqMod,
194 	*ad_reqScope, *ad_reqFilter, *ad_reqAttr, *ad_reqEntries,
195 	*ad_reqSizeLimit, *ad_reqTimeLimit, *ad_reqAttrsOnly, *ad_reqData,
196 	*ad_reqId, *ad_reqMessage, *ad_reqVersion, *ad_reqDerefAliases,
197 	*ad_reqReferral, *ad_reqOld, *ad_auditContext, *ad_reqEntryUUID;
198 
199 static int
200 logSchemaControlValidate(
201 	Syntax		*syntax,
202 	struct berval	*val );
203 
204 char	*mrControl[] = {
205 	"objectIdentifierFirstComponentMatch",
206 	NULL
207 };
208 
209 static struct {
210 	char			*oid;
211 	slap_syntax_defs_rec	syn;
212 	char			**mrs;
213 } lsyntaxes[] = {
214 	{ LOG_SCHEMA_SYN ".1" ,
215 		{ "( " LOG_SCHEMA_SYN ".1 DESC 'Control' )",
216 			SLAP_SYNTAX_HIDE,
217 			NULL,
218 			logSchemaControlValidate,
219 			NULL },
220 		mrControl },
221 	{ NULL }
222 };
223 
224 static struct {
225 	char *at;
226 	AttributeDescription **ad;
227 } lattrs[] = {
228 	{ "( " LOG_SCHEMA_AT ".1 NAME 'reqDN' "
229 		"DESC 'Target DN of request' "
230 		"EQUALITY distinguishedNameMatch "
231 		"SYNTAX OMsDN "
232 		"SINGLE-VALUE )", &ad_reqDN },
233 	{ "( " LOG_SCHEMA_AT ".2 NAME 'reqStart' "
234 		"DESC 'Start time of request' "
235 		"EQUALITY generalizedTimeMatch "
236 		"ORDERING generalizedTimeOrderingMatch "
237 		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
238 		"SINGLE-VALUE )", &ad_reqStart },
239 	{ "( " LOG_SCHEMA_AT ".3 NAME 'reqEnd' "
240 		"DESC 'End time of request' "
241 		"EQUALITY generalizedTimeMatch "
242 		"ORDERING generalizedTimeOrderingMatch "
243 		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
244 		"SINGLE-VALUE )", &ad_reqEnd },
245 	{ "( " LOG_SCHEMA_AT ".4 NAME 'reqType' "
246 		"DESC 'Type of request' "
247 		"EQUALITY caseIgnoreMatch "
248 		"SYNTAX OMsDirectoryString "
249 		"SINGLE-VALUE )", &ad_reqType },
250 	{ "( " LOG_SCHEMA_AT ".5 NAME 'reqSession' "
251 		"DESC 'Session ID of request' "
252 		"EQUALITY caseIgnoreMatch "
253 		"SYNTAX OMsDirectoryString "
254 		"SINGLE-VALUE )", &ad_reqSession },
255 	{ "( " LOG_SCHEMA_AT ".6 NAME 'reqAuthzID' "
256 		"DESC 'Authorization ID of requestor' "
257 		"EQUALITY distinguishedNameMatch "
258 		"SYNTAX OMsDN "
259 		"SINGLE-VALUE )", &ad_reqAuthzID },
260 	{ "( " LOG_SCHEMA_AT ".7 NAME 'reqResult' "
261 		"DESC 'Result code of request' "
262 		"EQUALITY integerMatch "
263 		"ORDERING integerOrderingMatch "
264 		"SYNTAX OMsInteger "
265 		"SINGLE-VALUE )", &ad_reqResult },
266 	{ "( " LOG_SCHEMA_AT ".8 NAME 'reqMessage' "
267 		"DESC 'Error text of request' "
268 		"EQUALITY caseIgnoreMatch "
269 		"SUBSTR caseIgnoreSubstringsMatch "
270 		"SYNTAX OMsDirectoryString "
271 		"SINGLE-VALUE )", &ad_reqMessage },
272 	{ "( " LOG_SCHEMA_AT ".9 NAME 'reqReferral' "
273 		"DESC 'Referrals returned for request' "
274 		"SUP labeledURI )", &ad_reqReferral },
275 	{ "( " LOG_SCHEMA_AT ".10 NAME 'reqControls' "
276 		"DESC 'Request controls' "
277 		"EQUALITY objectIdentifierFirstComponentMatch "
278 		"SYNTAX " LOG_SCHEMA_SYN ".1 "
279 		"X-ORDERED 'VALUES' )", &ad_reqControls },
280 	{ "( " LOG_SCHEMA_AT ".11 NAME 'reqRespControls' "
281 		"DESC 'Response controls of request' "
282 		"EQUALITY objectIdentifierFirstComponentMatch "
283 		"SYNTAX " LOG_SCHEMA_SYN ".1 "
284 		"X-ORDERED 'VALUES' )", &ad_reqRespControls },
285 	{ "( " LOG_SCHEMA_AT ".12 NAME 'reqId' "
286 		"DESC 'ID of Request to Abandon' "
287 		"EQUALITY integerMatch "
288 		"ORDERING integerOrderingMatch "
289 		"SYNTAX OMsInteger "
290 		"SINGLE-VALUE )", &ad_reqId },
291 	{ "( " LOG_SCHEMA_AT ".13 NAME 'reqVersion' "
292 		"DESC 'Protocol version of Bind request' "
293 		"EQUALITY integerMatch "
294 		"ORDERING integerOrderingMatch "
295 		"SYNTAX OMsInteger "
296 		"SINGLE-VALUE )", &ad_reqVersion },
297 	{ "( " LOG_SCHEMA_AT ".14 NAME 'reqMethod' "
298 		"DESC 'Bind method of request' "
299 		"EQUALITY caseIgnoreMatch "
300 		"SYNTAX OMsDirectoryString "
301 		"SINGLE-VALUE )", &ad_reqMethod },
302 	{ "( " LOG_SCHEMA_AT ".15 NAME 'reqAssertion' "
303 		"DESC 'Compare Assertion of request' "
304 		"SYNTAX OMsDirectoryString "
305 		"SINGLE-VALUE )", &ad_reqAssertion },
306 	{ "( " LOG_SCHEMA_AT ".16 NAME 'reqMod' "
307 		"DESC 'Modifications of request' "
308 		"EQUALITY octetStringMatch "
309 		"SUBSTR octetStringSubstringsMatch "
310 		"SYNTAX OMsOctetString )", &ad_reqMod },
311 	{ "( " LOG_SCHEMA_AT ".17 NAME 'reqOld' "
312 		"DESC 'Old values of entry before request completed' "
313 		"EQUALITY octetStringMatch "
314 		"SUBSTR octetStringSubstringsMatch "
315 		"SYNTAX OMsOctetString )", &ad_reqOld },
316 	{ "( " LOG_SCHEMA_AT ".18 NAME 'reqNewRDN' "
317 		"DESC 'New RDN of request' "
318 		"EQUALITY distinguishedNameMatch "
319 		"SYNTAX OMsDN "
320 		"SINGLE-VALUE )", &ad_reqNewRDN },
321 	{ "( " LOG_SCHEMA_AT ".19 NAME 'reqDeleteOldRDN' "
322 		"DESC 'Delete old RDN' "
323 		"EQUALITY booleanMatch "
324 		"SYNTAX OMsBoolean "
325 		"SINGLE-VALUE )", &ad_reqDeleteOldRDN },
326 	{ "( " LOG_SCHEMA_AT ".20 NAME 'reqNewSuperior' "
327 		"DESC 'New superior DN of request' "
328 		"EQUALITY distinguishedNameMatch "
329 		"SYNTAX OMsDN "
330 		"SINGLE-VALUE )", &ad_reqNewSuperior },
331 	{ "( " LOG_SCHEMA_AT ".21 NAME 'reqScope' "
332 		"DESC 'Scope of request' "
333 		"EQUALITY caseIgnoreMatch "
334 		"SYNTAX OMsDirectoryString "
335 		"SINGLE-VALUE )", &ad_reqScope },
336 	{ "( " LOG_SCHEMA_AT ".22 NAME 'reqDerefAliases' "
337 		"DESC 'Disposition of Aliases in request' "
338 		"EQUALITY caseIgnoreMatch "
339 		"SYNTAX OMsDirectoryString "
340 		"SINGLE-VALUE )", &ad_reqDerefAliases },
341 	{ "( " LOG_SCHEMA_AT ".23 NAME 'reqAttrsOnly' "
342 		"DESC 'Attributes and values of request' "
343 		"EQUALITY booleanMatch "
344 		"SYNTAX OMsBoolean "
345 		"SINGLE-VALUE )", &ad_reqAttrsOnly },
346 	{ "( " LOG_SCHEMA_AT ".24 NAME 'reqFilter' "
347 		"DESC 'Filter of request' "
348 		"EQUALITY caseIgnoreMatch "
349 		"SUBSTR caseIgnoreSubstringsMatch "
350 		"SYNTAX OMsDirectoryString "
351 		"SINGLE-VALUE )", &ad_reqFilter },
352 	{ "( " LOG_SCHEMA_AT ".25 NAME 'reqAttr' "
353 		"DESC 'Attributes of request' "
354 		"EQUALITY caseIgnoreMatch "
355 		"SYNTAX OMsDirectoryString )", &ad_reqAttr },
356 	{ "( " LOG_SCHEMA_AT ".26 NAME 'reqSizeLimit' "
357 		"DESC 'Size limit of request' "
358 		"EQUALITY integerMatch "
359 		"ORDERING integerOrderingMatch "
360 		"SYNTAX OMsInteger "
361 		"SINGLE-VALUE )", &ad_reqSizeLimit },
362 	{ "( " LOG_SCHEMA_AT ".27 NAME 'reqTimeLimit' "
363 		"DESC 'Time limit of request' "
364 		"EQUALITY integerMatch "
365 		"ORDERING integerOrderingMatch "
366 		"SYNTAX OMsInteger "
367 		"SINGLE-VALUE )", &ad_reqTimeLimit },
368 	{ "( " LOG_SCHEMA_AT ".28 NAME 'reqEntries' "
369 		"DESC 'Number of entries returned' "
370 		"EQUALITY integerMatch "
371 		"ORDERING integerOrderingMatch "
372 		"SYNTAX OMsInteger "
373 		"SINGLE-VALUE )", &ad_reqEntries },
374 	{ "( " LOG_SCHEMA_AT ".29 NAME 'reqData' "
375 		"DESC 'Data of extended request' "
376 		"EQUALITY octetStringMatch "
377 		"SUBSTR octetStringSubstringsMatch "
378 		"SYNTAX OMsOctetString "
379 		"SINGLE-VALUE )", &ad_reqData },
380 
381 	/*
382 	 * from <draft-chu-ldap-logschema-01.txt>:
383 	 *
384 
385    ( LOG_SCHEMA_AT .30 NAME 'auditContext'
386    DESC 'DN of auditContainer'
387    EQUALITY distinguishedNameMatch
388    SYNTAX 1.3.6.1.4.1.1466.115.121.1.12
389    SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )
390 
391 	 * - removed EQUALITY matchingRule
392 	 * - changed directoryOperation in dSAOperation
393 	 */
394 	{ "( " LOG_SCHEMA_AT ".30 NAME 'auditContext' "
395 		"DESC 'DN of auditContainer' "
396 		"SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
397 		"SINGLE-VALUE "
398 		"NO-USER-MODIFICATION "
399 		"USAGE dSAOperation )", &ad_auditContext },
400 
401 	/*
402 	 * ITS#6656
403 	 */
404 	{ "( " LOG_SCHEMA_AT ".31 NAME 'reqEntryUUID' "
405 		"DESC 'UUID of entry' "
406 		"EQUALITY UUIDMatch "
407 		"ORDERING UUIDOrderingMatch "
408 		"SYNTAX 1.3.6.1.1.16.1 "
409 		"SINGLE-VALUE )", &ad_reqEntryUUID },
410 	{ NULL, NULL }
411 };
412 
413 static struct {
414 	char *ot;
415 	ObjectClass **oc;
416 } locs[] = {
417 	{ "( " LOG_SCHEMA_OC ".0 NAME 'auditContainer' "
418 		"DESC 'AuditLog container' "
419 		"SUP top STRUCTURAL "
420 		"MAY ( cn $ reqStart $ reqEnd ) )", &log_container },
421 	{ "( " LOG_SCHEMA_OC ".1 NAME 'auditObject' "
422 		"DESC 'OpenLDAP request auditing' "
423 		"SUP top STRUCTURAL "
424 		"MUST ( reqStart $ reqType $ reqSession ) "
425 		"MAY ( reqDN $ reqAuthzID $ reqControls $ reqRespControls $ reqEnd $ "
426 			"reqResult $ reqMessage $ reqReferral $ reqEntryUUID ) )",
427 				&log_ocs[LOG_EN_UNBIND] },
428 	{ "( " LOG_SCHEMA_OC ".2 NAME 'auditReadObject' "
429 		"DESC 'OpenLDAP read request record' "
430 		"SUP auditObject STRUCTURAL )", &log_oc_read },
431 	{ "( " LOG_SCHEMA_OC ".3 NAME 'auditWriteObject' "
432 		"DESC 'OpenLDAP write request record' "
433 		"SUP auditObject STRUCTURAL )", &log_oc_write },
434 	{ "( " LOG_SCHEMA_OC ".4 NAME 'auditAbandon' "
435 		"DESC 'Abandon operation' "
436 		"SUP auditObject STRUCTURAL "
437 		"MUST reqId )", &log_ocs[LOG_EN_ABANDON] },
438 	{ "( " LOG_SCHEMA_OC ".5 NAME 'auditAdd' "
439 		"DESC 'Add operation' "
440 		"SUP auditWriteObject STRUCTURAL "
441 		"MUST reqMod )", &log_ocs[LOG_EN_ADD] },
442 	{ "( " LOG_SCHEMA_OC ".6 NAME 'auditBind' "
443 		"DESC 'Bind operation' "
444 		"SUP auditObject STRUCTURAL "
445 		"MUST ( reqVersion $ reqMethod ) )", &log_ocs[LOG_EN_BIND] },
446 	{ "( " LOG_SCHEMA_OC ".7 NAME 'auditCompare' "
447 		"DESC 'Compare operation' "
448 		"SUP auditReadObject STRUCTURAL "
449 		"MUST reqAssertion )", &log_ocs[LOG_EN_COMPARE] },
450 	{ "( " LOG_SCHEMA_OC ".8 NAME 'auditDelete' "
451 		"DESC 'Delete operation' "
452 		"SUP auditWriteObject STRUCTURAL "
453 		"MAY reqOld )", &log_ocs[LOG_EN_DELETE] },
454 	{ "( " LOG_SCHEMA_OC ".9 NAME 'auditModify' "
455 		"DESC 'Modify operation' "
456 		"SUP auditWriteObject STRUCTURAL "
457 		"MAY reqOld MUST reqMod )", &log_ocs[LOG_EN_MODIFY] },
458 	{ "( " LOG_SCHEMA_OC ".10 NAME 'auditModRDN' "
459 		"DESC 'ModRDN operation' "
460 		"SUP auditWriteObject STRUCTURAL "
461 		"MUST ( reqNewRDN $ reqDeleteOldRDN ) "
462 		"MAY ( reqNewSuperior $ reqMod $ reqOld ) )", &log_ocs[LOG_EN_MODRDN] },
463 	{ "( " LOG_SCHEMA_OC ".11 NAME 'auditSearch' "
464 		"DESC 'Search operation' "
465 		"SUP auditReadObject STRUCTURAL "
466 		"MUST ( reqScope $ reqDerefAliases $ reqAttrsonly ) "
467 		"MAY ( reqFilter $ reqAttr $ reqEntries $ reqSizeLimit $ "
468 			"reqTimeLimit ) )", &log_ocs[LOG_EN_SEARCH] },
469 	{ "( " LOG_SCHEMA_OC ".12 NAME 'auditExtended' "
470 		"DESC 'Extended operation' "
471 		"SUP auditObject STRUCTURAL "
472 		"MAY reqData )", &log_ocs[LOG_EN_EXTENDED] },
473 	{ NULL, NULL }
474 };
475 
476 #define	RDNEQ	"reqStart="
477 
478 /* Our time intervals are of the form [ddd+]hh:mm[:ss]
479  * If a field is present, it must be two digits. (Except for
480  * days, which can be arbitrary width.)
481  */
482 static int
log_age_parse(char * agestr)483 log_age_parse(char *agestr)
484 {
485 	int t1, t2;
486 	int gotdays = 0;
487 	char *endptr;
488 
489 	t1 = strtol( agestr, &endptr, 10 );
490 	/* Is there a days delimiter? */
491 	if ( *endptr == '+' ) {
492 		/* 32 bit time only covers about 68 years */
493 		if ( t1 < 0 || t1 > 25000 )
494 			return -1;
495 		t1 *= 24;
496 		gotdays = 1;
497 		agestr = endptr + 1;
498 	} else {
499 		if ( agestr[2] != ':' ) {
500 			/* No valid delimiter found, fail */
501 			return -1;
502 		}
503 		t1 *= 60;
504 		agestr += 3;
505 	}
506 
507 	t2 = atoi( agestr );
508 	t1 += t2;
509 
510 	if ( agestr[2] ) {
511 		/* if there's a delimiter, it can only be a colon */
512 		if ( agestr[2] != ':' )
513 			return -1;
514 	} else {
515 		/* If we're at the end of the string, and we started with days,
516 		 * fail because we expected to find minutes too.
517 		 */
518 		return gotdays ? -1 : t1 * 60;
519 	}
520 
521 	agestr += 3;
522 	t2 = atoi( agestr );
523 
524 	/* last field can only be seconds */
525 	if ( agestr[2] && ( agestr[2] != ':' || !gotdays ))
526 		return -1;
527 	t1 *= 60;
528 	t1 += t2;
529 
530 	if ( agestr[2] ) {
531 		agestr += 3;
532 		if ( agestr[2] )
533 			return -1;
534 		t1 *= 60;
535 		t1 += atoi( agestr );
536 	} else if ( gotdays ) {
537 		/* only got days+hh:mm */
538 		t1 *= 60;
539 	}
540 	return t1;
541 }
542 
543 static void
log_age_unparse(int age,struct berval * agebv,size_t size)544 log_age_unparse( int age, struct berval *agebv, size_t size )
545 {
546 	int dd, hh, mm, ss, len;
547 	char *ptr;
548 
549 	assert( size > 0 );
550 
551 	ss = age % 60;
552 	age /= 60;
553 	mm = age % 60;
554 	age /= 60;
555 	hh = age % 24;
556 	age /= 24;
557 	dd = age;
558 
559 	ptr = agebv->bv_val;
560 
561 	if ( dd ) {
562 		len = snprintf( ptr, size, "%d+", dd );
563 		assert( len >= 0 && (unsigned) len < size );
564 		size -= len;
565 		ptr += len;
566 	}
567 	len = snprintf( ptr, size, "%02d:%02d", hh, mm );
568 	assert( len >= 0 && (unsigned) len < size );
569 	size -= len;
570 	ptr += len;
571 	if ( ss ) {
572 		len = snprintf( ptr, size, ":%02d", ss );
573 		assert( len >= 0 && (unsigned) len < size );
574 		size -= len;
575 		ptr += len;
576 	}
577 
578 	agebv->bv_len = ptr - agebv->bv_val;
579 }
580 
581 static slap_callback nullsc;
582 
583 #define PURGE_INCREMENT	100
584 
585 typedef struct purge_data {
586 	int slots;
587 	int used;
588 	BerVarray dn;
589 	BerVarray ndn;
590 	struct berval csn;	/* an arbitrary old CSN */
591 } purge_data;
592 
593 static int
log_old_lookup(Operation * op,SlapReply * rs)594 log_old_lookup( Operation *op, SlapReply *rs )
595 {
596 	purge_data *pd = op->o_callback->sc_private;
597 	Attribute *a;
598 
599 	if ( rs->sr_type != REP_SEARCH) return 0;
600 
601 	if ( slapd_shutdown ) return 0;
602 
603 	/* Remember max CSN: should always be the last entry
604 	 * seen, since log entries are ordered chronologically...
605 	 */
606 	a = attr_find( rs->sr_entry->e_attrs,
607 		slap_schema.si_ad_entryCSN );
608 	if ( a ) {
609 		ber_len_t len = a->a_nvals[0].bv_len;
610 		/* Paranoid len check, normalized CSNs are always the same length */
611 		if ( len > LDAP_PVT_CSNSTR_BUFSIZE )
612 			len = LDAP_PVT_CSNSTR_BUFSIZE;
613 		if ( memcmp( a->a_nvals[0].bv_val, pd->csn.bv_val, len ) > 0 ) {
614 			AC_MEMCPY( pd->csn.bv_val, a->a_nvals[0].bv_val, len );
615 			pd->csn.bv_len = len;
616 		}
617 	}
618 	if ( pd->used >= pd->slots ) {
619 		pd->slots += PURGE_INCREMENT;
620 		pd->dn = ch_realloc( pd->dn, pd->slots * sizeof( struct berval ));
621 		pd->ndn = ch_realloc( pd->ndn, pd->slots * sizeof( struct berval ));
622 	}
623 	ber_dupbv( &pd->dn[pd->used], &rs->sr_entry->e_name );
624 	ber_dupbv( &pd->ndn[pd->used], &rs->sr_entry->e_nname );
625 	pd->used++;
626 	return 0;
627 }
628 
629 /* Periodically search for old entries in the log database and delete them */
630 static void *
accesslog_purge(void * ctx,void * arg)631 accesslog_purge( void *ctx, void *arg )
632 {
633 	struct re_s *rtask = arg;
634 	struct log_info *li = rtask->arg;
635 
636 	Connection conn = {0};
637 	OperationBuffer opbuf;
638 	Operation *op;
639 	SlapReply rs = {REP_RESULT};
640 	slap_callback cb = { NULL, log_old_lookup, NULL, NULL, NULL };
641 	Filter f;
642 	AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
643 	purge_data pd = {0};
644 	char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE];
645 	char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
646 	time_t old = slap_get_time();
647 
648 	connection_fake_init( &conn, &opbuf, ctx );
649 	op = &opbuf.ob_op;
650 
651 	f.f_choice = LDAP_FILTER_LE;
652 	f.f_ava = &ava;
653 	f.f_next = NULL;
654 
655 	ava.aa_desc = ad_reqStart;
656 	ava.aa_value.bv_val = timebuf;
657 	ava.aa_value.bv_len = sizeof(timebuf);
658 
659 	old -= li->li_age;
660 	slap_timestamp( &old, &ava.aa_value );
661 
662 	op->o_tag = LDAP_REQ_SEARCH;
663 	op->o_bd = li->li_db;
664 	op->o_dn = li->li_db->be_rootdn;
665 	op->o_ndn = li->li_db->be_rootndn;
666 	op->o_req_dn = li->li_db->be_suffix[0];
667 	op->o_req_ndn = li->li_db->be_nsuffix[0];
668 	op->o_callback = &cb;
669 	op->ors_scope = LDAP_SCOPE_ONELEVEL;
670 	op->ors_deref = LDAP_DEREF_NEVER;
671 	op->ors_tlimit = SLAP_NO_LIMIT;
672 	op->ors_slimit = SLAP_NO_LIMIT;
673 	op->ors_filter = &f;
674 	filter2bv_x( op, &f, &op->ors_filterstr );
675 	op->ors_attrs = slap_anlist_no_attrs;
676 	op->ors_attrsonly = 1;
677 
678 	pd.csn.bv_len = sizeof( csnbuf );
679 	pd.csn.bv_val = csnbuf;
680 	csnbuf[0] = '\0';
681 	cb.sc_private = &pd;
682 
683 	op->o_bd->be_search( op, &rs );
684 	op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
685 
686 	if ( pd.used ) {
687 		int i;
688 
689 		/* delete the expired entries */
690 		op->o_tag = LDAP_REQ_DELETE;
691 		op->o_callback = &nullsc;
692 		op->o_csn = pd.csn;
693 		op->o_dont_replicate = 1;
694 		op->o_csn = slap_empty_bv;
695 
696 		for (i=0; i<pd.used; i++) {
697 			op->o_req_dn = pd.dn[i];
698 			op->o_req_ndn = pd.ndn[i];
699 			if ( !slapd_shutdown ) {
700 				rs_reinit( &rs, REP_RESULT );
701 				op->o_bd->be_delete( op, &rs );
702 			}
703 			ch_free( pd.ndn[i].bv_val );
704 			ch_free( pd.dn[i].bv_val );
705 			ldap_pvt_thread_pool_pausecheck( &connection_pool );
706 		}
707 		ch_free( pd.ndn );
708 		ch_free( pd.dn );
709 
710 		{
711 			Modifications mod;
712 			struct berval bv[2];
713 			rs_reinit( &rs, REP_RESULT );
714 			/* update context's entryCSN to reflect oldest CSN */
715 			mod.sml_numvals = 1;
716 			mod.sml_values = bv;
717 			bv[0] = pd.csn;
718 			BER_BVZERO(&bv[1]);
719 			mod.sml_nvalues = NULL;
720 			mod.sml_desc = slap_schema.si_ad_entryCSN;
721 			mod.sml_op = LDAP_MOD_REPLACE;
722 			mod.sml_flags = SLAP_MOD_INTERNAL;
723 			mod.sml_next = NULL;
724 
725 			op->o_tag = LDAP_REQ_MODIFY;
726 			op->orm_modlist = &mod;
727 			op->orm_no_opattrs = 1;
728 			op->o_req_dn = li->li_db->be_suffix[0];
729 			op->o_req_ndn = li->li_db->be_nsuffix[0];
730 			op->o_no_schema_check = 1;
731 			op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
732 			op->o_bd->be_modify( op, &rs );
733 			if ( mod.sml_next ) {
734 				slap_mods_free( mod.sml_next, 1 );
735 			}
736 		}
737 	}
738 
739 	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
740 	ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
741 	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
742 
743 	return NULL;
744 }
745 
746 static int
log_cf_gen(ConfigArgs * c)747 log_cf_gen(ConfigArgs *c)
748 {
749 	slap_overinst *on = (slap_overinst *)c->bi;
750 	struct log_info *li = on->on_bi.bi_private;
751 	int rc = 0;
752 	slap_mask_t tmask = 0;
753 	char agebuf[2*STRLENOF("ddddd+hh:mm:ss  ")];
754 	struct berval agebv, cyclebv;
755 
756 	switch( c->op ) {
757 	case SLAP_CONFIG_EMIT:
758 		switch( c->type ) {
759 		case LOG_DB:
760 			if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
761 				value_add_one( &c->rvalue_vals, &li->li_db_suffix );
762 				value_add_one( &c->rvalue_nvals, &li->li_db_suffix );
763 			} else if ( li->li_db ) {
764 				value_add_one( &c->rvalue_vals, li->li_db->be_suffix );
765 				value_add_one( &c->rvalue_nvals, li->li_db->be_nsuffix );
766 			} else {
767 				snprintf( c->cr_msg, sizeof( c->cr_msg ),
768 					"accesslog: \"logdb <suffix>\" must be specified" );
769 				Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
770 					c->log, c->cr_msg, c->value_dn.bv_val );
771 				rc = 1;
772 				break;
773 			}
774 			break;
775 		case LOG_OPS:
776 			rc = mask_to_verbs( logops, li->li_ops, &c->rvalue_vals );
777 			break;
778 		case LOG_PURGE:
779 			if ( !li->li_age ) {
780 				rc = 1;
781 				break;
782 			}
783 			agebv.bv_val = agebuf;
784 			log_age_unparse( li->li_age, &agebv, sizeof( agebuf ) );
785 			agebv.bv_val[agebv.bv_len] = ' ';
786 			agebv.bv_len++;
787 			cyclebv.bv_val = agebv.bv_val + agebv.bv_len;
788 			log_age_unparse( li->li_cycle, &cyclebv, sizeof( agebuf ) - agebv.bv_len );
789 			agebv.bv_len += cyclebv.bv_len;
790 			value_add_one( &c->rvalue_vals, &agebv );
791 			break;
792 		case LOG_SUCCESS:
793 			if ( li->li_success )
794 				c->value_int = li->li_success;
795 			else
796 				rc = 1;
797 			break;
798 		case LOG_OLD:
799 			if ( li->li_oldf ) {
800 				filter2bv( li->li_oldf, &agebv );
801 				ber_bvarray_add( &c->rvalue_vals, &agebv );
802 			}
803 			else
804 				rc = 1;
805 			break;
806 		case LOG_OLDATTR:
807 			if ( li->li_oldattrs ) {
808 				log_attr *la;
809 
810 				for ( la = li->li_oldattrs; la; la=la->next )
811 					value_add_one( &c->rvalue_vals, &la->attr->ad_cname );
812 			}
813 			else
814 				rc = 1;
815 			break;
816 		case LOG_BASE:
817 			if ( li->li_bases ) {
818 				log_base *lb;
819 
820 				for ( lb = li->li_bases; lb; lb=lb->lb_next )
821 					value_add_one( &c->rvalue_vals, &lb->lb_line );
822 			}
823 			else
824 				rc = 1;
825 			break;
826 		}
827 		break;
828 	case LDAP_MOD_DELETE:
829 		switch( c->type ) {
830 		case LOG_DB:
831 			/* noop. this should always be a valid backend. */
832 			break;
833 		case LOG_OPS:
834 			if ( c->valx < 0 ) {
835 				li->li_ops = 0;
836 			} else {
837 				rc = verbs_to_mask( 1, &c->line, logops, &tmask );
838 				if ( rc == 0 )
839 					li->li_ops &= ~tmask;
840 			}
841 			break;
842 		case LOG_PURGE:
843 			if ( li->li_task ) {
844 				struct re_s *re = li->li_task;
845 				li->li_task = NULL;
846 				ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
847 				if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
848 					ldap_pvt_runqueue_stoptask( &slapd_rq, re );
849 				ldap_pvt_runqueue_remove( &slapd_rq, re );
850 				ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
851 			}
852 			li->li_age = 0;
853 			li->li_cycle = 0;
854 			break;
855 		case LOG_SUCCESS:
856 			li->li_success = 0;
857 			break;
858 		case LOG_OLD:
859 			if ( li->li_oldf ) {
860 				filter_free( li->li_oldf );
861 				li->li_oldf = NULL;
862 			}
863 			break;
864 		case LOG_OLDATTR:
865 			if ( c->valx < 0 ) {
866 				log_attr *la, *ln;
867 
868 				for ( la = li->li_oldattrs; la; la = ln ) {
869 					ln = la->next;
870 					ch_free( la );
871 				}
872 			} else {
873 				log_attr *la = NULL, **lp;
874 				int i;
875 
876 				for ( lp = &li->li_oldattrs, i=0; i < c->valx; i++ ) {
877 					la = *lp;
878 					lp = &la->next;
879 				}
880 				*lp = la->next;
881 				ch_free( la );
882 			}
883 			break;
884 		case LOG_BASE:
885 			if ( c->valx < 0 ) {
886 				log_base *lb, *ln;
887 
888 				for ( lb = li->li_bases; lb; lb = ln ) {
889 					ln = lb->lb_next;
890 					ch_free( lb );
891 				}
892 			} else {
893 				log_base *lb = NULL, **lp;
894 				int i;
895 
896 				for ( lp = &li->li_bases, i=0; i < c->valx; i++ ) {
897 					lb = *lp;
898 					lp = &lb->lb_next;
899 				}
900 				*lp = lb->lb_next;
901 				ch_free( lb );
902 			}
903 			break;
904 		}
905 		break;
906 	default:
907 		switch( c->type ) {
908 		case LOG_DB:
909 			if ( CONFIG_ONLINE_ADD( c )) {
910 				li->li_db = select_backend( &c->value_ndn, 0 );
911 				if ( !li->li_db ) {
912 					snprintf( c->cr_msg, sizeof( c->cr_msg ),
913 						"<%s> no matching backend found for suffix",
914 						c->argv[0] );
915 					Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
916 						c->log, c->cr_msg, c->value_dn.bv_val );
917 					rc = 1;
918 				}
919 				ch_free( c->value_ndn.bv_val );
920 			} else {
921 				li->li_db_suffix = c->value_ndn;
922 			}
923 			ch_free( c->value_dn.bv_val );
924 			break;
925 		case LOG_OPS:
926 			rc = verbs_to_mask( c->argc, c->argv, logops, &tmask );
927 			if ( rc == 0 )
928 				li->li_ops |= tmask;
929 			break;
930 		case LOG_PURGE:
931 			li->li_age = log_age_parse( c->argv[1] );
932 			if ( li->li_age < 1 ) {
933 				rc = 1;
934 			} else {
935 				li->li_cycle = log_age_parse( c->argv[2] );
936 				if ( li->li_cycle < 1 ) {
937 					rc = 1;
938 				} else if ( slapMode & SLAP_SERVER_MODE ) {
939 					struct re_s *re = li->li_task;
940 					if ( re )
941 						re->interval.tv_sec = li->li_cycle;
942 					else {
943 						ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
944 						li->li_task = ldap_pvt_runqueue_insert( &slapd_rq,
945 							li->li_cycle, accesslog_purge, li,
946 							"accesslog_purge", li->li_db ?
947 								li->li_db->be_suffix[0].bv_val :
948 								c->be->be_suffix[0].bv_val );
949 						ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
950 					}
951 				}
952 			}
953 			break;
954 		case LOG_SUCCESS:
955 			li->li_success = c->value_int;
956 			break;
957 		case LOG_OLD:
958 			li->li_oldf = str2filter( c->argv[1] );
959 			if ( !li->li_oldf ) {
960 				snprintf( c->cr_msg, sizeof( c->cr_msg ), "bad filter!" );
961 				rc = 1;
962 			}
963 			break;
964 		case LOG_OLDATTR: {
965 			int i;
966 			AttributeDescription *ad;
967 			const char *text;
968 
969 			for ( i=1; i< c->argc; i++ ) {
970 				ad = NULL;
971 				if ( slap_str2ad( c->argv[i], &ad, &text ) == LDAP_SUCCESS ) {
972 					log_attr *la = ch_malloc( sizeof( log_attr ));
973 					la->attr = ad;
974 					la->next = li->li_oldattrs;
975 					li->li_oldattrs = la;
976 				} else {
977 					snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s <%s>: %s",
978 						c->argv[0], c->argv[i], text );
979 					Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
980 						"%s: %s\n", c->log, c->cr_msg, 0 );
981 					rc = ARG_BAD_CONF;
982 					break;
983 				}
984 			}
985 			}
986 			break;
987 		case LOG_BASE: {
988 			slap_mask_t m = 0;
989 			rc = verbstring_to_mask( logops, c->argv[1], '|', &m );
990 			if ( rc == 0 ) {
991 				struct berval dn, ndn;
992 				ber_str2bv( c->argv[2], 0, 0, &dn );
993 				rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
994 				if ( rc == 0 ) {
995 					log_base *lb;
996 					struct berval mbv;
997 					char *ptr;
998 					mask_to_verbstring( logops, m, '|', &mbv );
999 					lb = ch_malloc( sizeof( log_base ) + mbv.bv_len + ndn.bv_len + 3 + 1 );
1000 					lb->lb_line.bv_val = (char *)(lb + 1);
1001 					lb->lb_line.bv_len = mbv.bv_len + ndn.bv_len + 3;
1002 					ptr = lutil_strcopy( lb->lb_line.bv_val, mbv.bv_val );
1003 					*ptr++ = ' ';
1004 					*ptr++ = '"';
1005 					lb->lb_base.bv_val = ptr;
1006 					lb->lb_base.bv_len = ndn.bv_len;
1007 					ptr = lutil_strcopy( ptr, ndn.bv_val );
1008 					*ptr++ = '"';
1009 					lb->lb_ops = m;
1010 					lb->lb_next = li->li_bases;
1011 					li->li_bases = lb;
1012 				} else {
1013 					snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid DN: %s",
1014 						c->argv[0], c->argv[2] );
1015 					Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
1016 						"%s: %s\n", c->log, c->cr_msg, 0 );
1017 					rc = ARG_BAD_CONF;
1018 				}
1019 			} else {
1020 				snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid ops: %s",
1021 					c->argv[0], c->argv[1] );
1022 				Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
1023 					"%s: %s\n", c->log, c->cr_msg, 0 );
1024 				rc = ARG_BAD_CONF;
1025 			}
1026 			}
1027 			break;
1028 		}
1029 		break;
1030 	}
1031 	return rc;
1032 }
1033 
1034 static int
logSchemaControlValidate(Syntax * syntax,struct berval * valp)1035 logSchemaControlValidate(
1036 	Syntax		*syntax,
1037 	struct berval	*valp )
1038 {
1039 	struct berval	val, bv;
1040 	ber_len_t		i;
1041 	int		rc = LDAP_SUCCESS;
1042 
1043 	assert( valp != NULL );
1044 
1045 	val = *valp;
1046 
1047 	/* check minimal size */
1048 	if ( val.bv_len < STRLENOF( "{*}" ) ) {
1049 		return LDAP_INVALID_SYNTAX;
1050 	}
1051 
1052 	val.bv_len--;
1053 
1054 	/* check SEQUENCE boundaries */
1055 	if ( val.bv_val[ 0 ] != '{' /*}*/ ||
1056 		val.bv_val[ val.bv_len ] != /*{*/ '}' )
1057 	{
1058 		return LDAP_INVALID_SYNTAX;
1059 	}
1060 
1061 	/* extract and check OID */
1062 	for ( i = 1; i < val.bv_len; i++ ) {
1063 		if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1064 			break;
1065 		}
1066 	}
1067 
1068 	bv.bv_val = &val.bv_val[ i ];
1069 
1070 	for ( i++; i < val.bv_len; i++ ) {
1071 		if ( ASCII_SPACE( val.bv_val[ i ] ) )
1072 		{
1073 			break;
1074 		}
1075 	}
1076 
1077 	bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
1078 
1079 	rc = numericoidValidate( NULL, &bv );
1080 	if ( rc != LDAP_SUCCESS ) {
1081 		return rc;
1082 	}
1083 
1084 	if ( i == val.bv_len ) {
1085 		return LDAP_SUCCESS;
1086 	}
1087 
1088 	if ( val.bv_val[ i ] != ' ' ) {
1089 		return LDAP_INVALID_SYNTAX;
1090 	}
1091 
1092 	for ( i++; i < val.bv_len; i++ ) {
1093 		if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1094 			break;
1095 		}
1096 	}
1097 
1098 	if ( i == val.bv_len ) {
1099 		return LDAP_SUCCESS;
1100 	}
1101 
1102 	/* extract and check criticality */
1103 	if ( strncasecmp( &val.bv_val[ i ], "criticality ", STRLENOF( "criticality " ) ) == 0 )
1104 	{
1105 		i += STRLENOF( "criticality " );
1106 		for ( ; i < val.bv_len; i++ ) {
1107 			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1108 				break;
1109 			}
1110 		}
1111 
1112 		if ( i == val.bv_len ) {
1113 			return LDAP_INVALID_SYNTAX;
1114 		}
1115 
1116 		bv.bv_val = &val.bv_val[ i ];
1117 
1118 		for ( ; i < val.bv_len; i++ ) {
1119 			if ( ASCII_SPACE( val.bv_val[ i ] ) ) {
1120 				break;
1121 			}
1122 		}
1123 
1124 		bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
1125 
1126 		if ( !bvmatch( &bv, &slap_true_bv ) && !bvmatch( &bv, &slap_false_bv ) )
1127 		{
1128 			return LDAP_INVALID_SYNTAX;
1129 		}
1130 
1131 		if ( i == val.bv_len ) {
1132 			return LDAP_SUCCESS;
1133 		}
1134 
1135 		if ( val.bv_val[ i ] != ' ' ) {
1136 			return LDAP_INVALID_SYNTAX;
1137 		}
1138 
1139 		for ( i++; i < val.bv_len; i++ ) {
1140 			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1141 				break;
1142 			}
1143 		}
1144 
1145 		if ( i == val.bv_len ) {
1146 			return LDAP_SUCCESS;
1147 		}
1148 	}
1149 
1150 	/* extract and check controlValue */
1151 	if ( strncasecmp( &val.bv_val[ i ], "controlValue ", STRLENOF( "controlValue " ) ) == 0 )
1152 	{
1153 		ber_len_t valueStart, valueLen;
1154 
1155 		i += STRLENOF( "controlValue " );
1156 		for ( ; i < val.bv_len; i++ ) {
1157 			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1158 				break;
1159 			}
1160 		}
1161 
1162 		if ( i == val.bv_len ) {
1163 			return LDAP_INVALID_SYNTAX;
1164 		}
1165 
1166 		if ( val.bv_val[ i ] != '"' ) {
1167 			return LDAP_INVALID_SYNTAX;
1168 		}
1169 
1170 		i++;
1171 		valueStart = i;
1172 
1173 		for ( ; i < val.bv_len; i++ ) {
1174 			if ( val.bv_val[ i ] == '"' ) {
1175 				break;
1176 			}
1177 
1178 			if ( !ASCII_HEX( val.bv_val[ i ] ) ) {
1179 				return LDAP_INVALID_SYNTAX;
1180 			}
1181 		}
1182 
1183 		if ( val.bv_val[ i ] != '"' ) {
1184 			return LDAP_INVALID_SYNTAX;
1185 		}
1186 
1187 		valueLen = i - valueStart;
1188 		if ( (valueLen/2)*2 != valueLen ) {
1189 			return LDAP_INVALID_SYNTAX;
1190 		}
1191 
1192 		for ( i++; i < val.bv_len; i++ ) {
1193 			if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1194 				break;
1195 			}
1196 		}
1197 
1198 		if ( i == val.bv_len ) {
1199 			return LDAP_SUCCESS;
1200 		}
1201 	}
1202 
1203 	return LDAP_INVALID_SYNTAX;
1204 }
1205 
1206 static int
accesslog_ctrls(LDAPControl ** ctrls,BerVarray * valsp,BerVarray * nvalsp,void * memctx)1207 accesslog_ctrls(
1208 	LDAPControl **ctrls,
1209 	BerVarray *valsp,
1210 	BerVarray *nvalsp,
1211 	void *memctx )
1212 {
1213 	long		i, rc = 0;
1214 
1215 	assert( valsp != NULL );
1216 	assert( ctrls != NULL );
1217 
1218 	*valsp = NULL;
1219 	*nvalsp = NULL;
1220 
1221 	for ( i = 0; ctrls[ i ] != NULL; i++ ) {
1222 		struct berval	idx,
1223 				oid,
1224 				noid,
1225 				bv;
1226 		char		*ptr,
1227 				buf[ 32 ];
1228 
1229 		if ( ctrls[ i ]->ldctl_oid == NULL ) {
1230 			return LDAP_PROTOCOL_ERROR;
1231 		}
1232 
1233 		idx.bv_len = snprintf( buf, sizeof( buf ), "{%ld}", i );
1234 		idx.bv_val = buf;
1235 
1236 		ber_str2bv( ctrls[ i ]->ldctl_oid, 0, 0, &oid );
1237 		noid.bv_len = idx.bv_len + oid.bv_len;
1238 		ptr = noid.bv_val = ber_memalloc_x( noid.bv_len + 1, memctx );
1239 		ptr = lutil_strcopy( ptr, idx.bv_val );
1240 		ptr = lutil_strcopy( ptr, oid.bv_val );
1241 
1242 		bv.bv_len = idx.bv_len + STRLENOF( "{}" ) + oid.bv_len;
1243 
1244 		if ( ctrls[ i ]->ldctl_iscritical ) {
1245 			bv.bv_len += STRLENOF( " criticality TRUE" );
1246 		}
1247 
1248 		if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
1249 			bv.bv_len += STRLENOF( " controlValue \"\"" )
1250 				+ 2 * ctrls[ i ]->ldctl_value.bv_len;
1251 		}
1252 
1253 		ptr = bv.bv_val = ber_memalloc_x( bv.bv_len + 1, memctx );
1254 		if ( ptr == NULL ) {
1255 			ber_bvarray_free( *valsp );
1256 			*valsp = NULL;
1257 			ber_bvarray_free( *nvalsp );
1258 			*nvalsp = NULL;
1259 			return LDAP_OTHER;
1260 		}
1261 
1262 		ptr = lutil_strcopy( ptr, idx.bv_val );
1263 
1264 		*ptr++ = '{' /*}*/ ;
1265 		ptr = lutil_strcopy( ptr, oid.bv_val );
1266 
1267 		if ( ctrls[ i ]->ldctl_iscritical ) {
1268 			ptr = lutil_strcopy( ptr, " criticality TRUE" );
1269 		}
1270 
1271 		if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
1272 			ber_len_t	j;
1273 
1274 			ptr = lutil_strcopy( ptr, " controlValue \"" );
1275 			for ( j = 0; j < ctrls[ i ]->ldctl_value.bv_len; j++ ) {
1276 				*ptr++ = SLAP_ESCAPE_HI(ctrls[ i ]->ldctl_value.bv_val[ j ]);
1277 				*ptr++ = SLAP_ESCAPE_LO(ctrls[ i ]->ldctl_value.bv_val[ j ]);
1278 			}
1279 
1280 			*ptr++ = '"';
1281 		}
1282 
1283 		*ptr++ = '}';
1284 		*ptr = '\0';
1285 
1286 		ber_bvarray_add_x( valsp, &bv, memctx );
1287 		ber_bvarray_add_x( nvalsp, &noid, memctx );
1288 	}
1289 
1290 	return rc;
1291 
1292 }
1293 
accesslog_entry(Operation * op,SlapReply * rs,log_info * li,int logop,Operation * op2)1294 static Entry *accesslog_entry( Operation *op, SlapReply *rs,
1295 	log_info *li, int logop, Operation *op2 ) {
1296 
1297 	char rdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
1298 	char nrdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
1299 
1300 	struct berval rdn, nrdn, timestamp, ntimestamp, bv;
1301 	slap_verbmasks *lo = logops+logop+EN_OFFSET;
1302 
1303 	Entry *e = entry_alloc();
1304 
1305 	strcpy( rdnbuf, RDNEQ );
1306 	rdn.bv_val = rdnbuf;
1307 	strcpy( nrdnbuf, RDNEQ );
1308 	nrdn.bv_val = nrdnbuf;
1309 
1310 	timestamp.bv_val = rdnbuf+STRLENOF(RDNEQ);
1311 	timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
1312 	slap_timestamp( &op->o_time, &timestamp );
1313 	snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op->o_tincr );
1314 	timestamp.bv_len += STRLENOF(".123456");
1315 
1316 	rdn.bv_len = STRLENOF(RDNEQ)+timestamp.bv_len;
1317 	ad_reqStart->ad_type->sat_equality->smr_normalize(
1318 		SLAP_MR_VALUE_OF_ASSERTION_SYNTAX, ad_reqStart->ad_type->sat_syntax,
1319 		ad_reqStart->ad_type->sat_equality, &timestamp, &ntimestamp,
1320 		op->o_tmpmemctx );
1321 
1322 	strcpy( nrdn.bv_val + STRLENOF(RDNEQ), ntimestamp.bv_val );
1323 	nrdn.bv_len = STRLENOF(RDNEQ)+ntimestamp.bv_len;
1324 	build_new_dn( &e->e_name, li->li_db->be_suffix, &rdn, NULL );
1325 	build_new_dn( &e->e_nname, li->li_db->be_nsuffix, &nrdn, NULL );
1326 
1327 	attr_merge_one( e, slap_schema.si_ad_objectClass,
1328 		&log_ocs[logop]->soc_cname, NULL );
1329 	attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
1330 		&log_ocs[logop]->soc_cname, NULL );
1331 	attr_merge_one( e, ad_reqStart, &timestamp, &ntimestamp );
1332 	op->o_tmpfree( ntimestamp.bv_val, op->o_tmpmemctx );
1333 
1334 	slap_op_time( &op2->o_time, &op2->o_tincr );
1335 
1336 	timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
1337 	slap_timestamp( &op2->o_time, &timestamp );
1338 	snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op2->o_tincr );
1339 	timestamp.bv_len += STRLENOF(".123456");
1340 
1341 	attr_merge_normalize_one( e, ad_reqEnd, &timestamp, op->o_tmpmemctx );
1342 
1343 	/* Exops have OID appended */
1344 	if ( logop == LOG_EN_EXTENDED ) {
1345 		bv.bv_len = lo->word.bv_len + op->ore_reqoid.bv_len + 2;
1346 		bv.bv_val = ch_malloc( bv.bv_len + 1 );
1347 		AC_MEMCPY( bv.bv_val, lo->word.bv_val, lo->word.bv_len );
1348 		bv.bv_val[lo->word.bv_len] = '{';
1349 		AC_MEMCPY( bv.bv_val+lo->word.bv_len+1, op->ore_reqoid.bv_val,
1350 			op->ore_reqoid.bv_len );
1351 		bv.bv_val[bv.bv_len-1] = '}';
1352 		bv.bv_val[bv.bv_len] = '\0';
1353 		attr_merge_one( e, ad_reqType, &bv, NULL );
1354 	} else {
1355 		attr_merge_one( e, ad_reqType, &lo->word, NULL );
1356 	}
1357 
1358 	rdn.bv_len = snprintf( rdn.bv_val, sizeof( rdnbuf ), "%lu", op->o_connid );
1359 	if ( rdn.bv_len < sizeof( rdnbuf ) ) {
1360 		attr_merge_one( e, ad_reqSession, &rdn, NULL );
1361 	} /* else? */
1362 
1363 	if ( BER_BVISNULL( &op->o_dn ) ) {
1364 		attr_merge_one( e, ad_reqAuthzID, (struct berval *)&slap_empty_bv,
1365 			(struct berval *)&slap_empty_bv );
1366 	} else {
1367 		attr_merge_one( e, ad_reqAuthzID, &op->o_dn, &op->o_ndn );
1368 	}
1369 
1370 	/* FIXME: need to add reqControls and reqRespControls */
1371 	if ( op->o_ctrls ) {
1372 		BerVarray	vals = NULL,
1373 				nvals = NULL;
1374 
1375 		if ( accesslog_ctrls( op->o_ctrls, &vals, &nvals,
1376 			op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
1377 		{
1378 			attr_merge( e, ad_reqControls, vals, nvals );
1379 			ber_bvarray_free_x( vals, op->o_tmpmemctx );
1380 			ber_bvarray_free_x( nvals, op->o_tmpmemctx );
1381 		}
1382 	}
1383 
1384 	if ( rs->sr_ctrls ) {
1385 		BerVarray	vals = NULL,
1386 				nvals = NULL;
1387 
1388 		if ( accesslog_ctrls( rs->sr_ctrls, &vals, &nvals,
1389 			op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
1390 		{
1391 			attr_merge( e, ad_reqRespControls, vals, nvals );
1392 			ber_bvarray_free_x( vals, op->o_tmpmemctx );
1393 			ber_bvarray_free_x( nvals, op->o_tmpmemctx );
1394 		}
1395 
1396 	}
1397 
1398 	return e;
1399 }
1400 
1401 static struct berval scopes[] = {
1402 	BER_BVC("base"),
1403 	BER_BVC("one"),
1404 	BER_BVC("sub"),
1405 	BER_BVC("subord")
1406 };
1407 
1408 static struct berval derefs[] = {
1409 	BER_BVC("never"),
1410 	BER_BVC("searching"),
1411 	BER_BVC("finding"),
1412 	BER_BVC("always")
1413 };
1414 
1415 static struct berval simple = BER_BVC("SIMPLE");
1416 
accesslog_val2val(AttributeDescription * ad,struct berval * val,char c_op,struct berval * dst)1417 static void accesslog_val2val(AttributeDescription *ad, struct berval *val,
1418 	char c_op, struct berval *dst) {
1419 	char *ptr;
1420 
1421 	dst->bv_len = ad->ad_cname.bv_len + val->bv_len + 2;
1422 	if ( c_op ) dst->bv_len++;
1423 
1424 	dst->bv_val = ch_malloc( dst->bv_len+1 );
1425 
1426 	ptr = lutil_strcopy( dst->bv_val, ad->ad_cname.bv_val );
1427 	*ptr++ = ':';
1428 	if ( c_op )
1429 		*ptr++ = c_op;
1430 	*ptr++ = ' ';
1431 	AC_MEMCPY( ptr, val->bv_val, val->bv_len );
1432 	dst->bv_val[dst->bv_len] = '\0';
1433 }
1434 
1435 static int
accesslog_op2logop(Operation * op)1436 accesslog_op2logop( Operation *op )
1437 {
1438 	switch ( op->o_tag ) {
1439 	case LDAP_REQ_ADD:		return LOG_EN_ADD;
1440 	case LDAP_REQ_DELETE:	return LOG_EN_DELETE;
1441 	case LDAP_REQ_MODIFY:	return LOG_EN_MODIFY;
1442 	case LDAP_REQ_MODRDN:	return LOG_EN_MODRDN;
1443 	case LDAP_REQ_COMPARE:	return LOG_EN_COMPARE;
1444 	case LDAP_REQ_SEARCH:	return LOG_EN_SEARCH;
1445 	case LDAP_REQ_BIND:		return LOG_EN_BIND;
1446 	case LDAP_REQ_EXTENDED:	return LOG_EN_EXTENDED;
1447 	default:	/* unknown operation type */
1448 		break;
1449 	}	/* Unbind and Abandon never reach here */
1450 	return LOG_EN_UNKNOWN;
1451 }
1452 
accesslog_response(Operation * op,SlapReply * rs)1453 static int accesslog_response(Operation *op, SlapReply *rs) {
1454 	slap_overinst *on = (slap_overinst *)op->o_callback->sc_private;
1455 	log_info *li = on->on_bi.bi_private;
1456 	Attribute *a, *last_attr;
1457 	Modifications *m;
1458 	struct berval *b, uuid = BER_BVNULL;
1459 	int i;
1460 	int logop;
1461 	slap_verbmasks *lo;
1462 	Entry *e = NULL, *old = NULL, *e_uuid = NULL;
1463 	char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE+8];
1464 	struct berval bv;
1465 	char *ptr;
1466 	BerVarray vals;
1467 	Operation op2 = {0};
1468 	SlapReply rs2 = {REP_RESULT};
1469 
1470 	{
1471 		slap_callback *sc = op->o_callback;
1472 		op->o_callback = sc->sc_next;
1473 		op->o_tmpfree(sc, op->o_tmpmemctx );
1474 	}
1475 
1476 	if ( rs->sr_type != REP_RESULT && rs->sr_type != REP_EXTENDED )
1477 		return SLAP_CB_CONTINUE;
1478 
1479 	logop = accesslog_op2logop( op );
1480 	lo = logops+logop+EN_OFFSET;
1481 	if ( !( li->li_ops & lo->mask )) {
1482 		log_base *lb;
1483 
1484 		i = 0;
1485 		for ( lb = li->li_bases; lb; lb=lb->lb_next )
1486 			if (( lb->lb_ops & lo->mask ) && dnIsSuffix( &op->o_req_ndn, &lb->lb_base )) {
1487 				i = 1;
1488 				break;
1489 			}
1490 		if ( !i )
1491 			return SLAP_CB_CONTINUE;
1492 	}
1493 
1494 	/* mutex and so were only set for write operations;
1495 	 * if we got here, the operation must be logged */
1496 	if ( lo->mask & LOG_OP_WRITES ) {
1497 		slap_callback *cb;
1498 
1499 		/* These internal ops are not logged */
1500 		if ( op->o_dont_replicate )
1501 			return SLAP_CB_CONTINUE;
1502 
1503 		ldap_pvt_thread_mutex_lock( &li->li_log_mutex );
1504 		old = li->li_old;
1505 		uuid = li->li_uuid;
1506 		li->li_old = NULL;
1507 		BER_BVZERO( &li->li_uuid );
1508 #ifdef RMUTEX_DEBUG
1509 		Debug( LDAP_DEBUG_SYNC,
1510 			"accesslog_response: unlocking rmutex for tid %x\n",
1511 			op->o_tid, 0, 0 );
1512 #endif
1513 		ldap_pvt_thread_rmutex_unlock( &li->li_op_rmutex, op->o_tid );
1514 	}
1515 
1516 	/* ignore these internal reads */
1517 	if (( lo->mask & LOG_OP_READS ) && op->o_do_not_cache ) {
1518 		return SLAP_CB_CONTINUE;
1519 	}
1520 
1521 	if ( li->li_success && rs->sr_err != LDAP_SUCCESS )
1522 		goto done;
1523 
1524 	e = accesslog_entry( op, rs, li, logop, &op2 );
1525 
1526 	if ( !BER_BVISNULL( &op->o_req_ndn ))
1527 		attr_merge_one( e, ad_reqDN, &op->o_req_dn, &op->o_req_ndn );
1528 
1529 	if ( rs->sr_text ) {
1530 		ber_str2bv( rs->sr_text, 0, 0, &bv );
1531 		attr_merge_normalize_one( e, ad_reqMessage, &bv, op->o_tmpmemctx );
1532 	}
1533 	bv.bv_len = snprintf( timebuf, sizeof( timebuf ), "%d", rs->sr_err );
1534 	if ( bv.bv_len < sizeof( timebuf ) ) {
1535 		bv.bv_val = timebuf;
1536 		attr_merge_one( e, ad_reqResult, &bv, NULL );
1537 	}
1538 
1539 	last_attr = attr_find( e->e_attrs, ad_reqResult );
1540 
1541 	e_uuid = old;
1542 	switch( logop ) {
1543 	case LOG_EN_ADD:
1544 	case LOG_EN_DELETE: {
1545 		char c_op;
1546 		Entry *e2;
1547 
1548 		if ( logop == LOG_EN_ADD ) {
1549 			e2 = op->ora_e;
1550 			e_uuid = op->ora_e;
1551 			c_op = '+';
1552 
1553 		} else {
1554 			if ( !old )
1555 				break;
1556 			e2 = old;
1557 			c_op = 0;
1558 		}
1559 		/* count all the vals */
1560 		i = 0;
1561 		for ( a=e2->e_attrs; a; a=a->a_next ) {
1562 			i += a->a_numvals;
1563 		}
1564 		vals = ch_malloc( (i+1) * sizeof( struct berval ));
1565 		i = 0;
1566 		for ( a=e2->e_attrs; a; a=a->a_next ) {
1567 			if ( a->a_vals ) {
1568 				for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1569 					accesslog_val2val( a->a_desc, b, c_op, &vals[i] );
1570 				}
1571 			}
1572 		}
1573 		vals[i].bv_val = NULL;
1574 		vals[i].bv_len = 0;
1575 		a = attr_alloc( logop == LOG_EN_ADD ? ad_reqMod : ad_reqOld );
1576 		a->a_numvals = i;
1577 		a->a_vals = vals;
1578 		a->a_nvals = vals;
1579 		last_attr->a_next = a;
1580 		break;
1581 	}
1582 
1583 	case LOG_EN_MODRDN:
1584 	case LOG_EN_MODIFY:
1585 		/* count all the mods + attributes (ITS#6545) */
1586 		i = 0;
1587 		for ( m = op->orm_modlist; m; m = m->sml_next ) {
1588 			if ( m->sml_values ) {
1589 				i += m->sml_numvals;
1590 			} else if ( m->sml_op == LDAP_MOD_DELETE ||
1591 				m->sml_op == SLAP_MOD_SOFTDEL ||
1592 				m->sml_op == LDAP_MOD_REPLACE )
1593 			{
1594 				i++;
1595 			}
1596 			if ( m->sml_next && m->sml_desc == m->sml_next->sml_desc ) {
1597 				i++;
1598 			}
1599 		}
1600 		vals = ch_malloc( (i+1) * sizeof( struct berval ));
1601 		i = 0;
1602 
1603 		/* init flags on old entry */
1604 		if ( old ) {
1605 			for ( a = old->e_attrs; a; a = a->a_next ) {
1606 				log_attr *la;
1607 				a->a_flags = 0;
1608 
1609 				/* look for attrs that are always logged */
1610 				for ( la = li->li_oldattrs; la; la = la->next ) {
1611 					if ( a->a_desc == la->attr ) {
1612 						a->a_flags = 1;
1613 					}
1614 				}
1615 			}
1616 		}
1617 
1618 		for ( m = op->orm_modlist; m; m = m->sml_next ) {
1619 			/* Mark this attribute as modified */
1620 			if ( old ) {
1621 				a = attr_find( old->e_attrs, m->sml_desc );
1622 				if ( a ) {
1623 					a->a_flags = 1;
1624 				}
1625 			}
1626 
1627 			/* don't log the RDN mods; they're explicitly logged later */
1628 			if ( logop == LOG_EN_MODRDN &&
1629 			 	( m->sml_op == SLAP_MOD_SOFTADD ||
1630 				  m->sml_op == LDAP_MOD_DELETE ) )
1631 			{
1632 				continue;
1633 			}
1634 
1635 			if ( m->sml_values ) {
1636 				for ( b = m->sml_values; !BER_BVISNULL( b ); b++, i++ ) {
1637 					char c_op;
1638 
1639 					switch ( m->sml_op ) {
1640 					case LDAP_MOD_ADD:	/* FALLTHRU */
1641 					case SLAP_MOD_SOFTADD: c_op = '+'; break;
1642 					case LDAP_MOD_DELETE: /* FALLTHRU */
1643 					case SLAP_MOD_SOFTDEL: c_op = '-'; break;
1644 					case LDAP_MOD_REPLACE:	c_op = '='; break;
1645 					case LDAP_MOD_INCREMENT:	c_op = '#'; break;
1646 
1647 					/* unknown op. there shouldn't be any of these. we
1648 					 * don't know what to do with it, but we shouldn't just
1649 					 * ignore it.
1650 					 */
1651 					default: c_op = '?'; break;
1652 					}
1653 					accesslog_val2val( m->sml_desc, b, c_op, &vals[i] );
1654 				}
1655 			} else if ( m->sml_op == LDAP_MOD_DELETE ||
1656 				m->sml_op == SLAP_MOD_SOFTDEL ||
1657 				m->sml_op == LDAP_MOD_REPLACE )
1658 			{
1659 				vals[i].bv_len = m->sml_desc->ad_cname.bv_len + 2;
1660 				vals[i].bv_val = ch_malloc( vals[i].bv_len + 1 );
1661 				ptr = lutil_strcopy( vals[i].bv_val,
1662 					m->sml_desc->ad_cname.bv_val );
1663 				*ptr++ = ':';
1664 				if ( m->sml_op == LDAP_MOD_DELETE || m->sml_op == SLAP_MOD_SOFTDEL ) {
1665 					*ptr++ = '-';
1666 				} else {
1667 					*ptr++ = '=';
1668 				}
1669 				*ptr = '\0';
1670 				i++;
1671 			}
1672 			/* ITS#6545: when the same attribute is edited multiple times,
1673 			 * record the transition */
1674 			if ( m->sml_next && m->sml_desc == m->sml_next->sml_desc &&
1675 					m->sml_op == m->sml_next->sml_op ) {
1676 				ber_str2bv( ":", STRLENOF(":"), 1, &vals[i] );
1677 				i++;
1678 			}
1679 		}
1680 
1681 		if ( i > 0 ) {
1682 			BER_BVZERO( &vals[i] );
1683 			a = attr_alloc( ad_reqMod );
1684 			a->a_numvals = i;
1685 			a->a_vals = vals;
1686 			a->a_nvals = vals;
1687 			last_attr->a_next = a;
1688 			last_attr = a;
1689 
1690 		} else {
1691 			ch_free( vals );
1692 		}
1693 
1694 		if ( old ) {
1695 			/* count all the vals */
1696 			i = 0;
1697 			for ( a = old->e_attrs; a != NULL; a = a->a_next ) {
1698 				if ( a->a_vals && a->a_flags ) {
1699 					i += a->a_numvals;
1700 				}
1701 			}
1702 			if ( i ) {
1703 				vals = ch_malloc( (i + 1) * sizeof( struct berval ) );
1704 				i = 0;
1705 				for ( a=old->e_attrs; a; a=a->a_next ) {
1706 					if ( a->a_vals && a->a_flags ) {
1707 						for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1708 							accesslog_val2val( a->a_desc, b, 0, &vals[i] );
1709 						}
1710 					}
1711 				}
1712 				vals[i].bv_val = NULL;
1713 				vals[i].bv_len = 0;
1714 				a = attr_alloc( ad_reqOld );
1715 				a->a_numvals = i;
1716 				a->a_vals = vals;
1717 				a->a_nvals = vals;
1718 				last_attr->a_next = a;
1719 			}
1720 		}
1721 		if ( logop == LOG_EN_MODIFY ) {
1722 			break;
1723 		}
1724 
1725 		/* Now log the actual modRDN info */
1726 		attr_merge_one( e, ad_reqNewRDN, &op->orr_newrdn, &op->orr_nnewrdn );
1727 		attr_merge_one( e, ad_reqDeleteOldRDN, op->orr_deleteoldrdn ?
1728 			(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1729 			NULL );
1730 		if ( op->orr_newSup ) {
1731 			attr_merge_one( e, ad_reqNewSuperior, op->orr_newSup, op->orr_nnewSup );
1732 		}
1733 		break;
1734 
1735 	case LOG_EN_COMPARE:
1736 		bv.bv_len = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
1737 			op->orc_ava->aa_value.bv_len;
1738 		bv.bv_val = op->o_tmpalloc( bv.bv_len+1, op->o_tmpmemctx );
1739 		ptr = lutil_strcopy( bv.bv_val, op->orc_ava->aa_desc->ad_cname.bv_val );
1740 		*ptr++ = '=';
1741 		AC_MEMCPY( ptr, op->orc_ava->aa_value.bv_val, op->orc_ava->aa_value.bv_len );
1742 		bv.bv_val[bv.bv_len] = '\0';
1743 		attr_merge_one( e, ad_reqAssertion, &bv, NULL );
1744 		op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1745 		break;
1746 
1747 	case LOG_EN_SEARCH:
1748 		attr_merge_one( e, ad_reqScope, &scopes[op->ors_scope], NULL );
1749 		attr_merge_one( e, ad_reqDerefAliases, &derefs[op->ors_deref], NULL );
1750 		attr_merge_one( e, ad_reqAttrsOnly, op->ors_attrsonly ?
1751 			(struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1752 			NULL );
1753 		if ( !BER_BVISEMPTY( &op->ors_filterstr ))
1754 			attr_merge_normalize_one( e, ad_reqFilter, &op->ors_filterstr, op->o_tmpmemctx );
1755 		if ( op->ors_attrs ) {
1756 			int j;
1757 			/* count them */
1758 			for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1759 				;
1760 			vals = op->o_tmpalloc( (i+1) * sizeof(struct berval),
1761 				op->o_tmpmemctx );
1762 			for (i=0, j=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++) {
1763 				if (!BER_BVISEMPTY(&op->ors_attrs[i].an_name)) {
1764 					vals[j] = op->ors_attrs[i].an_name;
1765 					j++;
1766 				}
1767 			}
1768 			BER_BVZERO(&vals[j]);
1769 			attr_merge_normalize( e, ad_reqAttr, vals, op->o_tmpmemctx );
1770 			op->o_tmpfree( vals, op->o_tmpmemctx );
1771 		}
1772 		bv.bv_val = timebuf;
1773 		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", rs->sr_nentries );
1774 		if ( bv.bv_len < sizeof( timebuf ) ) {
1775 			attr_merge_one( e, ad_reqEntries, &bv, NULL );
1776 		} /* else? */
1777 
1778 		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_tlimit );
1779 		if ( bv.bv_len < sizeof( timebuf ) ) {
1780 			attr_merge_one( e, ad_reqTimeLimit, &bv, NULL );
1781 		} /* else? */
1782 
1783 		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_slimit );
1784 		if ( bv.bv_len < sizeof( timebuf ) ) {
1785 			attr_merge_one( e, ad_reqSizeLimit, &bv, NULL );
1786 		} /* else? */
1787 		break;
1788 
1789 	case LOG_EN_BIND:
1790 		bv.bv_val = timebuf;
1791 		bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->o_protocol );
1792 		if ( bv.bv_len < sizeof( timebuf ) ) {
1793 			attr_merge_one( e, ad_reqVersion, &bv, NULL );
1794 		} /* else? */
1795 		if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
1796 			attr_merge_normalize_one( e, ad_reqMethod, &simple, op->o_tmpmemctx );
1797 		} else {
1798 			bv.bv_len = STRLENOF("SASL()") + op->orb_mech.bv_len;
1799 			bv.bv_val = op->o_tmpalloc( bv.bv_len + 1, op->o_tmpmemctx );
1800 			ptr = lutil_strcopy( bv.bv_val, "SASL(" );
1801 			ptr = lutil_strcopy( ptr, op->orb_mech.bv_val );
1802 			*ptr++ = ')';
1803 			*ptr = '\0';
1804 			attr_merge_normalize_one( e, ad_reqMethod, &bv, op->o_tmpmemctx );
1805 			op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1806 		}
1807 
1808 		break;
1809 
1810 	case LOG_EN_EXTENDED:
1811 		if ( op->ore_reqdata ) {
1812 			attr_merge_one( e, ad_reqData, op->ore_reqdata, NULL );
1813 		}
1814 		break;
1815 
1816 	case LOG_EN_UNKNOWN:
1817 		/* we don't know its parameters, don't add any */
1818 		break;
1819 	}
1820 
1821 	if ( e_uuid || !BER_BVISNULL( &uuid ) ) {
1822 		struct berval *pbv = NULL;
1823 
1824 		if ( !BER_BVISNULL( &uuid ) ) {
1825 			pbv = &uuid;
1826 
1827 		} else {
1828 			a = attr_find( e_uuid->e_attrs, slap_schema.si_ad_entryUUID );
1829 			if ( a ) {
1830 				pbv = &a->a_vals[0];
1831 			}
1832 		}
1833 
1834 		if ( pbv ) {
1835 			attr_merge_normalize_one( e, ad_reqEntryUUID, pbv, op->o_tmpmemctx );
1836 		}
1837 
1838 		if ( !BER_BVISNULL( &uuid ) ) {
1839 			ber_memfree( uuid.bv_val );
1840 			BER_BVZERO( &uuid );
1841 		}
1842 	}
1843 
1844 	op2.o_hdr = op->o_hdr;
1845 	op2.o_tag = LDAP_REQ_ADD;
1846 	op2.o_bd = li->li_db;
1847 	op2.o_dn = li->li_db->be_rootdn;
1848 	op2.o_ndn = li->li_db->be_rootndn;
1849 	op2.o_req_dn = e->e_name;
1850 	op2.o_req_ndn = e->e_nname;
1851 	op2.ora_e = e;
1852 	op2.o_callback = &nullsc;
1853 	op2.o_csn = op->o_csn;
1854 	/* contextCSN updates may still reach here */
1855 	op2.o_dont_replicate = op->o_dont_replicate;
1856 
1857 	if (( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn )) {
1858 		struct berval maxcsn;
1859 		char cbuf[LDAP_PVT_CSNSTR_BUFSIZE];
1860 		int foundit;
1861 		cbuf[0] = '\0';
1862 		maxcsn.bv_val = cbuf;
1863 		maxcsn.bv_len = sizeof(cbuf);
1864 		/* If there was a commit CSN on the main DB,
1865 		 * we must propagate it to the log DB for its
1866 		 * own syncprov. Otherwise, don't generate one.
1867 		 */
1868 		slap_get_commit_csn( op, &maxcsn, &foundit );
1869 		if ( !BER_BVISEMPTY( &maxcsn ) ) {
1870 			slap_queue_csn( &op2, &op->o_csn );
1871 		} else {
1872 			attr_merge_normalize_one( e, slap_schema.si_ad_entryCSN,
1873 				&op->o_csn, op->o_tmpmemctx );
1874 		}
1875 	}
1876 
1877 	op2.o_bd->be_add( &op2, &rs2 );
1878 	if ( rs2.sr_err != LDAP_SUCCESS ) {
1879 		Debug( LDAP_DEBUG_SYNC,
1880 			"accesslog_response: got result 0x%x adding log entry %s\n",
1881 			rs2.sr_err, op2.o_req_dn.bv_val, 0 );
1882 	}
1883 	if ( e == op2.ora_e ) entry_free( e );
1884 	e = NULL;
1885 
1886 done:
1887 	if ( lo->mask & LOG_OP_WRITES )
1888 		ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );
1889 	if ( old ) entry_free( old );
1890 	return SLAP_CB_CONTINUE;
1891 }
1892 
1893 static int
accesslog_op_misc(Operation * op,SlapReply * rs)1894 accesslog_op_misc( Operation *op, SlapReply *rs )
1895 {
1896 	slap_callback *sc;
1897 
1898 	sc = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
1899 	sc->sc_response = accesslog_response;
1900 	sc->sc_private = op->o_bd->bd_info;
1901 
1902 	if ( op->o_callback ) {
1903 		sc->sc_next = op->o_callback->sc_next;
1904 		op->o_callback->sc_next = sc;
1905 	} else {
1906 		op->o_callback = sc;
1907 	}
1908 	return SLAP_CB_CONTINUE;
1909 }
1910 
1911 static int
accesslog_op_mod(Operation * op,SlapReply * rs)1912 accesslog_op_mod( Operation *op, SlapReply *rs )
1913 {
1914 	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1915 	log_info *li = on->on_bi.bi_private;
1916 	slap_verbmasks *lo;
1917 	int logop;
1918 	int doit = 0;
1919 
1920 	/* These internal ops are not logged */
1921 	if ( op->o_dont_replicate )
1922 		return SLAP_CB_CONTINUE;
1923 
1924 	logop = accesslog_op2logop( op );
1925 	lo = logops+logop+EN_OFFSET;
1926 
1927 	if ( li->li_ops & lo->mask ) {
1928 		doit = 1;
1929 	} else {
1930 		log_base *lb;
1931 		for ( lb = li->li_bases; lb; lb = lb->lb_next )
1932 			if (( lb->lb_ops & lo->mask ) && dnIsSuffix( &op->o_req_ndn, &lb->lb_base )) {
1933 				doit = 1;
1934 				break;
1935 			}
1936 	}
1937 
1938 	if ( doit ) {
1939 		slap_callback *cb = op->o_tmpcalloc( 1, sizeof( slap_callback ), op->o_tmpmemctx );
1940 		cb->sc_cleanup = accesslog_response;
1941 		cb->sc_response = accesslog_response;
1942 		cb->sc_private = on;
1943 		cb->sc_next = op->o_callback;
1944 		op->o_callback = cb;
1945 
1946 #ifdef RMUTEX_DEBUG
1947 		Debug( LDAP_DEBUG_SYNC,
1948 			"accesslog_op_mod: locking rmutex for tid %x\n",
1949 			op->o_tid, 0, 0 );
1950 #endif
1951 		ldap_pvt_thread_rmutex_lock( &li->li_op_rmutex, op->o_tid );
1952 #ifdef RMUTEX_DEBUG
1953 		Debug( LDAP_DEBUG_STATS,
1954 			"accesslog_op_mod: locked rmutex for tid %x\n",
1955 			op->o_tid, 0, 0 );
1956 #endif
1957 		if ( li->li_oldf && ( op->o_tag == LDAP_REQ_DELETE ||
1958 			op->o_tag == LDAP_REQ_MODIFY ||
1959 			( op->o_tag == LDAP_REQ_MODRDN && li->li_oldattrs )))
1960 		{
1961 			int rc;
1962 			Entry *e;
1963 
1964 			op->o_bd->bd_info = (BackendInfo *)on->on_info;
1965 			rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1966 			if ( e ) {
1967 				if ( test_filter( op, e, li->li_oldf ) == LDAP_COMPARE_TRUE )
1968 					li->li_old = entry_dup( e );
1969 				be_entry_release_rw( op, e, 0 );
1970 			}
1971 			op->o_bd->bd_info = (BackendInfo *)on;
1972 
1973 		} else {
1974 			int rc;
1975 			Entry *e;
1976 
1977 			op->o_bd->bd_info = (BackendInfo *)on->on_info;
1978 			rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1979 			if ( e ) {
1980 				Attribute *a = attr_find( e->e_attrs, slap_schema.si_ad_entryUUID );
1981 				if ( a ) {
1982 					ber_dupbv( &li->li_uuid, &a->a_vals[0] );
1983 				}
1984 				be_entry_release_rw( op, e, 0 );
1985 			}
1986 			op->o_bd->bd_info = (BackendInfo *)on;
1987 		}
1988 	}
1989 	return SLAP_CB_CONTINUE;
1990 }
1991 
1992 /* unbinds are broadcast to all backends; we only log it if this
1993  * backend was used for the original bind.
1994  */
1995 static int
accesslog_unbind(Operation * op,SlapReply * rs)1996 accesslog_unbind( Operation *op, SlapReply *rs )
1997 {
1998 	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1999 	if ( op->o_conn->c_authz_backend == on->on_info->oi_origdb ) {
2000 		log_info *li = on->on_bi.bi_private;
2001 		Operation op2 = {0};
2002 		void *cids[SLAP_MAX_CIDS];
2003 		SlapReply rs2 = {REP_RESULT};
2004 		Entry *e;
2005 
2006 		if ( !( li->li_ops & LOG_OP_UNBIND )) {
2007 			log_base *lb;
2008 			int i = 0;
2009 
2010 			for ( lb = li->li_bases; lb; lb=lb->lb_next )
2011 				if (( lb->lb_ops & LOG_OP_UNBIND ) && dnIsSuffix( &op->o_ndn, &lb->lb_base )) {
2012 					i = 1;
2013 					break;
2014 				}
2015 			if ( !i )
2016 				return SLAP_CB_CONTINUE;
2017 		}
2018 
2019 		e = accesslog_entry( op, rs, li, LOG_EN_UNBIND, &op2 );
2020 		op2.o_hdr = op->o_hdr;
2021 		op2.o_tag = LDAP_REQ_ADD;
2022 		op2.o_bd = li->li_db;
2023 		op2.o_dn = li->li_db->be_rootdn;
2024 		op2.o_ndn = li->li_db->be_rootndn;
2025 		op2.o_req_dn = e->e_name;
2026 		op2.o_req_ndn = e->e_nname;
2027 		op2.ora_e = e;
2028 		op2.o_callback = &nullsc;
2029 		op2.o_controls = cids;
2030 		memset(cids, 0, sizeof( cids ));
2031 
2032 		op2.o_bd->be_add( &op2, &rs2 );
2033 		if ( e == op2.ora_e )
2034 			entry_free( e );
2035 	}
2036 	return SLAP_CB_CONTINUE;
2037 }
2038 
2039 static int
accesslog_abandon(Operation * op,SlapReply * rs)2040 accesslog_abandon( Operation *op, SlapReply *rs )
2041 {
2042 	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2043 	log_info *li = on->on_bi.bi_private;
2044 	Operation op2 = {0};
2045 	void *cids[SLAP_MAX_CIDS];
2046 	SlapReply rs2 = {REP_RESULT};
2047 	Entry *e;
2048 	char buf[64];
2049 	struct berval bv;
2050 
2051 	if ( !op->o_time )
2052 		return SLAP_CB_CONTINUE;
2053 
2054 	if ( !( li->li_ops & LOG_OP_ABANDON )) {
2055 		log_base *lb;
2056 		int i = 0;
2057 
2058 		for ( lb = li->li_bases; lb; lb=lb->lb_next )
2059 			if (( lb->lb_ops & LOG_OP_ABANDON ) && dnIsSuffix( &op->o_ndn, &lb->lb_base )) {
2060 				i = 1;
2061 				break;
2062 			}
2063 		if ( !i )
2064 			return SLAP_CB_CONTINUE;
2065 	}
2066 
2067 	e = accesslog_entry( op, rs, li, LOG_EN_ABANDON, &op2 );
2068 	bv.bv_val = buf;
2069 	bv.bv_len = snprintf( buf, sizeof( buf ), "%d", op->orn_msgid );
2070 	if ( bv.bv_len < sizeof( buf ) ) {
2071 		attr_merge_one( e, ad_reqId, &bv, NULL );
2072 	} /* else? */
2073 
2074 	op2.o_hdr = op->o_hdr;
2075 	op2.o_tag = LDAP_REQ_ADD;
2076 	op2.o_bd = li->li_db;
2077 	op2.o_dn = li->li_db->be_rootdn;
2078 	op2.o_ndn = li->li_db->be_rootndn;
2079 	op2.o_req_dn = e->e_name;
2080 	op2.o_req_ndn = e->e_nname;
2081 	op2.ora_e = e;
2082 	op2.o_callback = &nullsc;
2083 	op2.o_controls = cids;
2084 	memset(cids, 0, sizeof( cids ));
2085 
2086 	op2.o_bd->be_add( &op2, &rs2 );
2087 	if ( e == op2.ora_e )
2088 		entry_free( e );
2089 
2090 	return SLAP_CB_CONTINUE;
2091 }
2092 
2093 static int
accesslog_operational(Operation * op,SlapReply * rs)2094 accesslog_operational( Operation *op, SlapReply *rs )
2095 {
2096 	slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2097 	log_info *li = on->on_bi.bi_private;
2098 
2099 	if ( op->o_sync != SLAP_CONTROL_NONE )
2100 		return SLAP_CB_CONTINUE;
2101 
2102 	if ( rs->sr_entry != NULL
2103 		&& dn_match( &op->o_bd->be_nsuffix[0], &rs->sr_entry->e_nname ) )
2104 	{
2105 		Attribute	**ap;
2106 
2107 		for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
2108 			/* just count */ ;
2109 
2110 		if ( SLAP_OPATTRS( rs->sr_attr_flags ) ||
2111 				ad_inlist( ad_auditContext, rs->sr_attrs ) )
2112 		{
2113 			*ap = attr_alloc( ad_auditContext );
2114 			attr_valadd( *ap,
2115 				&li->li_db->be_suffix[0],
2116 				&li->li_db->be_nsuffix[0], 1 );
2117 		}
2118 	}
2119 
2120 	return SLAP_CB_CONTINUE;
2121 }
2122 
2123 static slap_overinst accesslog;
2124 
2125 static int
accesslog_db_init(BackendDB * be,ConfigReply * cr)2126 accesslog_db_init(
2127 	BackendDB *be,
2128 	ConfigReply *cr
2129 )
2130 {
2131 	slap_overinst *on = (slap_overinst *)be->bd_info;
2132 	log_info *li = ch_calloc(1, sizeof(log_info));
2133 
2134 	on->on_bi.bi_private = li;
2135 	ldap_pvt_thread_rmutex_init( &li->li_op_rmutex );
2136 	ldap_pvt_thread_mutex_init( &li->li_log_mutex );
2137 	return 0;
2138 }
2139 
2140 static int
accesslog_db_destroy(BackendDB * be,ConfigReply * cr)2141 accesslog_db_destroy(
2142 	BackendDB *be,
2143 	ConfigReply *cr
2144 )
2145 {
2146 	slap_overinst *on = (slap_overinst *)be->bd_info;
2147 	log_info *li = on->on_bi.bi_private;
2148 	log_attr *la;
2149 
2150 	if ( li->li_oldf )
2151 		filter_free( li->li_oldf );
2152 	for ( la=li->li_oldattrs; la; la=li->li_oldattrs ) {
2153 		li->li_oldattrs = la->next;
2154 		ch_free( la );
2155 	}
2156 	ldap_pvt_thread_mutex_destroy( &li->li_log_mutex );
2157 	ldap_pvt_thread_rmutex_destroy( &li->li_op_rmutex );
2158 	free( li );
2159 	return LDAP_SUCCESS;
2160 }
2161 
2162 /* Create the logdb's root entry if it's missing */
2163 static void *
accesslog_db_root(void * ctx,void * arg)2164 accesslog_db_root(
2165 	void *ctx,
2166 	void *arg )
2167 {
2168 	struct re_s *rtask = arg;
2169 	slap_overinst *on = rtask->arg;
2170 	log_info *li = on->on_bi.bi_private;
2171 
2172 	Connection conn = {0};
2173 	OperationBuffer opbuf;
2174 	Operation *op;
2175 
2176 	Entry *e;
2177 	int rc;
2178 
2179 	connection_fake_init( &conn, &opbuf, ctx );
2180 	op = &opbuf.ob_op;
2181 	op->o_bd = li->li_db;
2182 	op->o_dn = li->li_db->be_rootdn;
2183 	op->o_ndn = li->li_db->be_rootndn;
2184 	rc = be_entry_get_rw( op, li->li_db->be_nsuffix, NULL, NULL, 0, &e );
2185 
2186 	if ( e ) {
2187 		be_entry_release_rw( op, e, 0 );
2188 
2189 	} else {
2190 		SlapReply rs = {REP_RESULT};
2191 		struct berval rdn, nrdn, attr;
2192 		char *ptr;
2193 		AttributeDescription *ad = NULL;
2194 		const char *text = NULL;
2195 		Entry *e_ctx;
2196 		BackendDB db;
2197 
2198 		e = entry_alloc();
2199 		ber_dupbv( &e->e_name, li->li_db->be_suffix );
2200 		ber_dupbv( &e->e_nname, li->li_db->be_nsuffix );
2201 
2202 		attr_merge_one( e, slap_schema.si_ad_objectClass,
2203 			&log_container->soc_cname, NULL );
2204 
2205 		dnRdn( &e->e_name, &rdn );
2206 		dnRdn( &e->e_nname, &nrdn );
2207 		ptr = ber_bvchr( &rdn, '=' );
2208 
2209 		assert( ptr != NULL );
2210 
2211 		attr.bv_val = rdn.bv_val;
2212 		attr.bv_len = ptr - rdn.bv_val;
2213 
2214 		slap_bv2ad( &attr, &ad, &text );
2215 
2216 		rdn.bv_val = ptr+1;
2217 		rdn.bv_len -= attr.bv_len + 1;
2218 		ptr = ber_bvchr( &nrdn, '=' );
2219 		nrdn.bv_len -= ptr - nrdn.bv_val + 1;
2220 		nrdn.bv_val = ptr+1;
2221 		attr_merge_one( e, ad, &rdn, &nrdn );
2222 
2223 		/* Get contextCSN from main DB */
2224 		op->o_bd = on->on_info->oi_origdb;
2225 		rc = be_entry_get_rw( op, op->o_bd->be_nsuffix, NULL,
2226 			slap_schema.si_ad_contextCSN, 0, &e_ctx );
2227 
2228 		if ( e_ctx ) {
2229 			Attribute *a;
2230 
2231 			a = attr_find( e_ctx->e_attrs, slap_schema.si_ad_contextCSN );
2232 			if ( a ) {
2233 				/* FIXME: contextCSN could have multiple values!
2234 				 * should select the one with the server's SID */
2235 				attr_merge_one( e, slap_schema.si_ad_entryCSN,
2236 					&a->a_vals[0], &a->a_nvals[0] );
2237 				attr_merge( e, a->a_desc, a->a_vals, a->a_nvals );
2238 			}
2239 			be_entry_release_rw( op, e_ctx, 0 );
2240 		}
2241 		db = *li->li_db;
2242 		op->o_bd = &db;
2243 
2244 		op->o_tag = LDAP_REQ_ADD;
2245 		op->ora_e = e;
2246 		op->o_req_dn = e->e_name;
2247 		op->o_req_ndn = e->e_nname;
2248 		op->o_callback = &nullsc;
2249 		SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
2250 		rc = op->o_bd->be_add( op, &rs );
2251 		if ( e == op->ora_e )
2252 			entry_free( e );
2253 	}
2254 	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
2255 	ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
2256 	ldap_pvt_runqueue_remove( &slapd_rq, rtask );
2257 	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
2258 
2259 	return NULL;
2260 }
2261 
2262 static int
accesslog_db_open(BackendDB * be,ConfigReply * cr)2263 accesslog_db_open(
2264 	BackendDB *be,
2265 	ConfigReply *cr
2266 )
2267 {
2268 	slap_overinst *on = (slap_overinst *)be->bd_info;
2269 	log_info *li = on->on_bi.bi_private;
2270 
2271 
2272 	if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
2273 		li->li_db = select_backend( &li->li_db_suffix, 0 );
2274 		ch_free( li->li_db_suffix.bv_val );
2275 		BER_BVZERO( &li->li_db_suffix );
2276 	}
2277 	if ( li->li_db == NULL ) {
2278 		Debug( LDAP_DEBUG_ANY,
2279 			"accesslog: \"logdb <suffix>\" missing or invalid.\n",
2280 			0, 0, 0 );
2281 		return 1;
2282 	}
2283 
2284 	if ( slapMode & SLAP_TOOL_MODE )
2285 		return 0;
2286 
2287 	if ( BER_BVISEMPTY( &li->li_db->be_rootndn )) {
2288 		ber_dupbv( &li->li_db->be_rootdn, li->li_db->be_suffix );
2289 		ber_dupbv( &li->li_db->be_rootndn, li->li_db->be_nsuffix );
2290 	}
2291 
2292 	ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
2293 	ldap_pvt_runqueue_insert( &slapd_rq, 3600, accesslog_db_root, on,
2294 		"accesslog_db_root", li->li_db->be_suffix[0].bv_val );
2295 	ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
2296 
2297 	return 0;
2298 }
2299 
2300 enum { start = 0 };
2301 
2302 static int
check_rdntime_syntax(struct berval * val,int * parts,struct berval * fraction)2303 check_rdntime_syntax (struct berval *val,
2304 	int *parts,
2305 	struct berval *fraction)
2306 {
2307 	/*
2308 	 * GeneralizedTime YYYYmmddHH[MM[SS]][(./,)d...](Z|(+/-)HH[MM])
2309 	 * GeneralizedTime supports leap seconds, UTCTime does not.
2310 	 */
2311 	static const int ceiling[9] = { 100, 100, 12, 31, 24, 60, 60, 24, 60 };
2312 	static const int mdays[2][12] = {
2313 		/* non-leap years */
2314 		{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
2315 		/* leap years */
2316 		{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
2317 	};
2318 	char *p, *e;
2319 	int part, c, c1, c2, tzoffset, leapyear = 0;
2320 
2321 	p = val->bv_val;
2322 	e = p + val->bv_len;
2323 
2324 	for (part = start; part < 7 && p < e; part++) {
2325 		c1 = *p;
2326 		if (!ASCII_DIGIT(c1)) {
2327 			break;
2328 		}
2329 		p++;
2330 		if (p == e) {
2331 			return LDAP_INVALID_SYNTAX;
2332 		}
2333 		c = *p++;
2334 		if (!ASCII_DIGIT(c)) {
2335 			return LDAP_INVALID_SYNTAX;
2336 		}
2337 		c += c1 * 10 - '0' * 11;
2338 		if ((part | 1) == 3) {
2339 			--c;
2340 			if (c < 0) {
2341 				return LDAP_INVALID_SYNTAX;
2342 			}
2343 		}
2344 		if (c >= ceiling[part]) {
2345 			if (! (c == 60 && part == 6 && start == 0))
2346 				return LDAP_INVALID_SYNTAX;
2347 		}
2348 		parts[part] = c;
2349 	}
2350 	if (part < 5 + start) {
2351 		return LDAP_INVALID_SYNTAX;
2352 	}
2353 	for (; part < 9; part++) {
2354 		parts[part] = 0;
2355 	}
2356 
2357 	/* leapyear check for the Gregorian calendar (year>1581) */
2358 	if (parts[parts[1] == 0 ? 0 : 1] % 4 == 0) {
2359 		leapyear = 1;
2360 	}
2361 
2362 	if (parts[3] >= mdays[leapyear][parts[2]]) {
2363 		return LDAP_INVALID_SYNTAX;
2364 	}
2365 
2366 	if (start == 0) {
2367 		fraction->bv_val = p;
2368 		fraction->bv_len = 0;
2369 		if (p < e && (*p == '.' || *p == ',')) {
2370 			char *end_num;
2371 			while (++p < e && ASCII_DIGIT(*p)) {
2372 				/* EMPTY */;
2373 			}
2374 			if (p - fraction->bv_val == 1) {
2375 				return LDAP_INVALID_SYNTAX;
2376 			}
2377 
2378 #if 0		/* don't truncate trailing zeros */
2379 			for (end_num = p; end_num[-1] == '0'; --end_num) {
2380 				/* EMPTY */;
2381 			}
2382 			c = end_num - fraction->bv_val;
2383 #else
2384 			c = p - fraction->bv_val;
2385 #endif
2386 			if (c != 1) fraction->bv_len = c;
2387 		}
2388 	}
2389 
2390 	if (p == e) {
2391 		/* no time zone */
2392 		return start == 0 ? LDAP_INVALID_SYNTAX : LDAP_SUCCESS;
2393 	}
2394 
2395 	tzoffset = *p++;
2396 	switch (tzoffset) {
2397 	case 'Z':
2398 		/* UTC */
2399 		break;
2400 	default:
2401 		return LDAP_INVALID_SYNTAX;
2402 	}
2403 
2404 	return p != e ? LDAP_INVALID_SYNTAX : LDAP_SUCCESS;
2405 }
2406 
2407 static int
rdnTimestampValidate(Syntax * syntax,struct berval * in)2408 rdnTimestampValidate(
2409 	Syntax *syntax,
2410 	struct berval *in )
2411 {
2412 	int parts[9];
2413 	struct berval fraction;
2414 	return check_rdntime_syntax(in, parts, &fraction);
2415 }
2416 
2417 static int
rdnTimestampNormalize(slap_mask_t usage,Syntax * syntax,MatchingRule * mr,struct berval * val,struct berval * normalized,void * ctx)2418 rdnTimestampNormalize(
2419 	slap_mask_t usage,
2420 	Syntax *syntax,
2421 	MatchingRule *mr,
2422 	struct berval *val,
2423 	struct berval *normalized,
2424 	void *ctx )
2425 {
2426 	int parts[9], rc;
2427 	unsigned int len;
2428 	struct berval fraction;
2429 
2430 	rc = check_rdntime_syntax(val, parts, &fraction);
2431 	if (rc != LDAP_SUCCESS) {
2432 		return rc;
2433 	}
2434 
2435 	len = STRLENOF("YYYYmmddHHMMSSZ") + fraction.bv_len;
2436 	normalized->bv_val = slap_sl_malloc( len + 1, ctx );
2437 	if ( BER_BVISNULL( normalized ) ) {
2438 		return LBER_ERROR_MEMORY;
2439 	}
2440 
2441 	sprintf( normalized->bv_val, "%02d%02d%02d%02d%02d%02d%02d",
2442 		parts[0], parts[1], parts[2] + 1, parts[3] + 1,
2443 		parts[4], parts[5], parts[6] );
2444 	if ( !BER_BVISEMPTY( &fraction ) ) {
2445 		memcpy( normalized->bv_val + STRLENOF("YYYYmmddHHMMSSZ")-1,
2446 			fraction.bv_val, fraction.bv_len );
2447 		normalized->bv_val[STRLENOF("YYYYmmddHHMMSSZ")-1] = '.';
2448 	}
2449 	strcpy( normalized->bv_val + len-1, "Z" );
2450 	normalized->bv_len = len;
2451 
2452 	return LDAP_SUCCESS;
2453 }
2454 
2455 
accesslog_initialize()2456 int accesslog_initialize()
2457 {
2458 	int i, rc;
2459 	Syntax *rdnTimestampSyntax;
2460 	MatchingRule *rdnTimestampMatch;
2461 
2462 	accesslog.on_bi.bi_type = "accesslog";
2463 	accesslog.on_bi.bi_db_init = accesslog_db_init;
2464 	accesslog.on_bi.bi_db_destroy = accesslog_db_destroy;
2465 	accesslog.on_bi.bi_db_open = accesslog_db_open;
2466 
2467 	accesslog.on_bi.bi_op_add = accesslog_op_mod;
2468 	accesslog.on_bi.bi_op_bind = accesslog_op_misc;
2469 	accesslog.on_bi.bi_op_compare = accesslog_op_misc;
2470 	accesslog.on_bi.bi_op_delete = accesslog_op_mod;
2471 	accesslog.on_bi.bi_op_modify = accesslog_op_mod;
2472 	accesslog.on_bi.bi_op_modrdn = accesslog_op_mod;
2473 	accesslog.on_bi.bi_op_search = accesslog_op_misc;
2474 	accesslog.on_bi.bi_extended = accesslog_op_misc;
2475 	accesslog.on_bi.bi_op_unbind = accesslog_unbind;
2476 	accesslog.on_bi.bi_op_abandon = accesslog_abandon;
2477 	accesslog.on_bi.bi_operational = accesslog_operational;
2478 
2479 	accesslog.on_bi.bi_cf_ocs = log_cfocs;
2480 
2481 	nullsc.sc_response = slap_null_cb;
2482 
2483 	rc = config_register_schema( log_cfats, log_cfocs );
2484 	if ( rc ) return rc;
2485 
2486 	/* log schema integration */
2487 	for ( i=0; lsyntaxes[i].oid; i++ ) {
2488 		int code;
2489 
2490 		code = register_syntax( &lsyntaxes[ i ].syn );
2491 		if ( code != 0 ) {
2492 			Debug( LDAP_DEBUG_ANY,
2493 				"accesslog_init: register_syntax failed\n",
2494 				0, 0, 0 );
2495 			return code;
2496 		}
2497 
2498 		if ( lsyntaxes[i].mrs != NULL ) {
2499 			code = mr_make_syntax_compat_with_mrs(
2500 				lsyntaxes[i].oid, lsyntaxes[i].mrs );
2501 			if ( code < 0 ) {
2502 				Debug( LDAP_DEBUG_ANY,
2503 					"accesslog_init: "
2504 					"mr_make_syntax_compat_with_mrs "
2505 					"failed\n",
2506 					0, 0, 0 );
2507 				return code;
2508 			}
2509 		}
2510 	}
2511 
2512 	for ( i=0; lattrs[i].at; i++ ) {
2513 		int code;
2514 
2515 		code = register_at( lattrs[i].at, lattrs[i].ad, 0 );
2516 		if ( code ) {
2517 			Debug( LDAP_DEBUG_ANY,
2518 				"accesslog_init: register_at failed\n",
2519 				0, 0, 0 );
2520 			return -1;
2521 		}
2522 #ifndef LDAP_DEVEL
2523 		(*lattrs[i].ad)->ad_type->sat_flags |= SLAP_AT_HIDE;
2524 #endif
2525 	}
2526 
2527 	/* Inject custom normalizer for reqStart/reqEnd */
2528 	rdnTimestampMatch = ch_malloc( sizeof( MatchingRule ));
2529 	rdnTimestampSyntax = ch_malloc( sizeof( Syntax ));
2530 	*rdnTimestampMatch = *ad_reqStart->ad_type->sat_equality;
2531 	rdnTimestampMatch->smr_normalize = rdnTimestampNormalize;
2532 	*rdnTimestampSyntax = *ad_reqStart->ad_type->sat_syntax;
2533 	rdnTimestampSyntax->ssyn_validate = rdnTimestampValidate;
2534 	ad_reqStart->ad_type->sat_equality = rdnTimestampMatch;
2535 	ad_reqStart->ad_type->sat_syntax = rdnTimestampSyntax;
2536 
2537 	rdnTimestampMatch = ch_malloc( sizeof( MatchingRule ));
2538 	rdnTimestampSyntax = ch_malloc( sizeof( Syntax ));
2539 	*rdnTimestampMatch = *ad_reqStart->ad_type->sat_equality;
2540 	rdnTimestampMatch->smr_normalize = rdnTimestampNormalize;
2541 	*rdnTimestampSyntax = *ad_reqStart->ad_type->sat_syntax;
2542 	rdnTimestampSyntax->ssyn_validate = rdnTimestampValidate;
2543 	ad_reqEnd->ad_type->sat_equality = rdnTimestampMatch;
2544 	ad_reqEnd->ad_type->sat_syntax = rdnTimestampSyntax;
2545 
2546 	for ( i=0; locs[i].ot; i++ ) {
2547 		int code;
2548 
2549 		code = register_oc( locs[i].ot, locs[i].oc, 0 );
2550 		if ( code ) {
2551 			Debug( LDAP_DEBUG_ANY,
2552 				"accesslog_init: register_oc failed\n",
2553 				0, 0, 0 );
2554 			return -1;
2555 		}
2556 #ifndef LDAP_DEVEL
2557 		(*locs[i].oc)->soc_flags |= SLAP_OC_HIDE;
2558 #endif
2559 	}
2560 
2561 	return overlay_register(&accesslog);
2562 }
2563 
2564 #if SLAPD_OVER_ACCESSLOG == SLAPD_MOD_DYNAMIC
2565 int
init_module(int argc,char * argv[])2566 init_module( int argc, char *argv[] )
2567 {
2568 	return accesslog_initialize();
2569 }
2570 #endif
2571 
2572 #endif /* SLAPD_OVER_ACCESSLOG */
2573