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