git.sur5r.net Git - openldap/blob - servers/slapd/overlays/accesslog.c

   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 2005-2010 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 && (unsigned) len < size );
 538                 size -= len;
 539                 ptr += len;
 540         }
 541         len = snprintf( ptr, size, "%02d:%02d", hh, mm );
 542         assert( len >= 0 && (unsigned) len < size );
 543         size -= len;
 544         ptr += len;
 545         if ( ss ) {
 546                 len = snprintf( ptr, size, ":%02d", ss );
 547                 assert( len >= 0 && (unsigned) 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         Attribute *a;
 572
 573         if ( rs->sr_type != REP_SEARCH) return 0;
 574
 575         if ( slapd_shutdown ) return 0;
 576
 577         /* Remember max CSN: should always be the last entry
 578          * seen, since log entries are ordered chronologically...
 579          */
 580         a = attr_find( rs->sr_entry->e_attrs,
 581                 slap_schema.si_ad_entryCSN );
 582         if ( a ) {
 583                 ber_len_t len = a->a_nvals[0].bv_len;
 584                 /* Paranoid len check, normalized CSNs are always the same length */
 585                 if ( len > LDAP_PVT_CSNSTR_BUFSIZE )
 586                         len = LDAP_PVT_CSNSTR_BUFSIZE;
 587                 if ( memcmp( a->a_nvals[0].bv_val, pd->csn.bv_val, len ) > 0 ) {
 588                         AC_MEMCPY( pd->csn.bv_val, a->a_nvals[0].bv_val, len );
 589                         pd->csn.bv_len = len;
 590                 }
 591         }
 592         if ( pd->used >= pd->slots ) {
 593                 pd->slots += PURGE_INCREMENT;
 594                 pd->dn = ch_realloc( pd->dn, pd->slots * sizeof( struct berval ));
 595                 pd->ndn = ch_realloc( pd->ndn, pd->slots * sizeof( struct berval ));
 596         }
 597         ber_dupbv( &pd->dn[pd->used], &rs->sr_entry->e_name );
 598         ber_dupbv( &pd->ndn[pd->used], &rs->sr_entry->e_nname );
 599         pd->used++;
 600         return 0;
 601 }
 602
 603 /* Periodically search for old entries in the log database and delete them */
 604 static void *
 605 accesslog_purge( void *ctx, void *arg )
 606 {
 607         struct re_s *rtask = arg;
 608         struct log_info *li = rtask->arg;
 609
 610         Connection conn = {0};
 611         OperationBuffer opbuf;
 612         Operation *op;
 613         SlapReply rs = {REP_RESULT};
 614         slap_callback cb = { NULL, log_old_lookup, NULL, NULL };
 615         Filter f;
 616         AttributeAssertion ava = ATTRIBUTEASSERTION_INIT;
 617         purge_data pd = {0};
 618         char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE];
 619         char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
 620         time_t old = slap_get_time();
 621
 622         connection_fake_init( &conn, &opbuf, ctx );
 623         op = &opbuf.ob_op;
 624
 625         f.f_choice = LDAP_FILTER_LE;
 626         f.f_ava = &ava;
 627         f.f_next = NULL;
 628
 629         ava.aa_desc = ad_reqStart;
 630         ava.aa_value.bv_val = timebuf;
 631         ava.aa_value.bv_len = sizeof(timebuf);
 632
 633         old -= li->li_age;
 634         slap_timestamp( &old, &ava.aa_value );
 635
 636         op->o_tag = LDAP_REQ_SEARCH;
 637         op->o_bd = li->li_db;
 638         op->o_dn = li->li_db->be_rootdn;
 639         op->o_ndn = li->li_db->be_rootndn;
 640         op->o_req_dn = li->li_db->be_suffix[0];
 641         op->o_req_ndn = li->li_db->be_nsuffix[0];
 642         op->o_callback = &cb;
 643         op->ors_scope = LDAP_SCOPE_ONELEVEL;
 644         op->ors_deref = LDAP_DEREF_NEVER;
 645         op->ors_tlimit = SLAP_NO_LIMIT;
 646         op->ors_slimit = SLAP_NO_LIMIT;
 647         op->ors_filter = &f;
 648         filter2bv_x( op, &f, &op->ors_filterstr );
 649         op->ors_attrs = slap_anlist_no_attrs;
 650         op->ors_attrsonly = 1;
 651
 652         pd.csn.bv_len = sizeof( csnbuf );
 653         pd.csn.bv_val = csnbuf;
 654         csnbuf[0] = '\0';
 655         cb.sc_private = &pd;
 656
 657         op->o_bd->be_search( op, &rs );
 658         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
 659
 660         if ( pd.used ) {
 661                 int i;
 662
 663                 /* delete the expired entries */
 664                 op->o_tag = LDAP_REQ_DELETE;
 665                 op->o_callback = &nullsc;
 666                 op->o_csn = pd.csn;
 667                 op->o_dont_replicate = 1;
 668
 669                 for (i=0; i<pd.used; i++) {
 670                         op->o_req_dn = pd.dn[i];
 671                         op->o_req_ndn = pd.ndn[i];
 672                         if ( !slapd_shutdown ) {
 673                                 rs_reinit( &rs, REP_RESULT );
 674                                 op->o_bd->be_delete( op, &rs );
 675                         }
 676                         ch_free( pd.ndn[i].bv_val );
 677                         ch_free( pd.dn[i].bv_val );
 678                 }
 679                 ch_free( pd.ndn );
 680                 ch_free( pd.dn );
 681
 682                 {
 683                         Modifications mod;
 684                         struct berval bv[2];
 685                         rs_reinit( &rs, REP_RESULT );
 686                         /* update context's entryCSN to reflect oldest CSN */
 687                         mod.sml_numvals = 1;
 688                         mod.sml_values = bv;
 689                         bv[0] = pd.csn;
 690                         BER_BVZERO(&bv[1]);
 691                         mod.sml_nvalues = NULL;
 692                         mod.sml_desc = slap_schema.si_ad_entryCSN;
 693                         mod.sml_op = LDAP_MOD_REPLACE;
 694                         mod.sml_flags = SLAP_MOD_INTERNAL;
 695                         mod.sml_next = NULL;
 696
 697                         op->o_tag = LDAP_REQ_MODIFY;
 698                         op->orm_modlist = &mod;
 699                         op->orm_no_opattrs = 1;
 700                         op->o_req_dn = li->li_db->be_suffix[0];
 701                         op->o_req_ndn = li->li_db->be_nsuffix[0];
 702                         op->o_no_schema_check = 1;
 703                         op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
 704                         op->o_bd->be_modify( op, &rs );
 705                         if ( mod.sml_next ) {
 706                                 slap_mods_free( mod.sml_next, 1 );
 707                         }
 708                 }
 709         }
 710
 711         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 712         ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
 713         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 714
 715         return NULL;
 716 }
 717
 718 static int
 719 log_cf_gen(ConfigArgs *c)
 720 {
 721         slap_overinst *on = (slap_overinst *)c->bi;
 722         struct log_info *li = on->on_bi.bi_private;
 723         int rc = 0;
 724         slap_mask_t tmask = 0;
 725         char agebuf[2*STRLENOF("ddddd+hh:mm:ss  ")];
 726         struct berval agebv, cyclebv;
 727
 728         switch( c->op ) {
 729         case SLAP_CONFIG_EMIT:
 730                 switch( c->type ) {
 731                 case LOG_DB:
 732                         if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
 733                                 value_add_one( &c->rvalue_vals, &li->li_db_suffix );
 734                                 value_add_one( &c->rvalue_nvals, &li->li_db_suffix );
 735                         } else if ( li->li_db ) {
 736                                 value_add_one( &c->rvalue_vals, li->li_db->be_suffix );
 737                                 value_add_one( &c->rvalue_nvals, li->li_db->be_nsuffix );
 738                         } else {
 739                                 snprintf( c->cr_msg, sizeof( c->cr_msg ),
 740                                         "accesslog: \"logdb <suffix>\" must be specified" );
 741                                 Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
 742                                         c->log, c->cr_msg, c->value_dn.bv_val );
 743                                 rc = 1;
 744                                 break;
 745                         }
 746                         break;
 747                 case LOG_OPS:
 748                         rc = mask_to_verbs( logops, li->li_ops, &c->rvalue_vals );
 749                         break;
 750                 case LOG_PURGE:
 751                         if ( !li->li_age ) {
 752                                 rc = 1;
 753                                 break;
 754                         }
 755                         agebv.bv_val = agebuf;
 756                         log_age_unparse( li->li_age, &agebv, sizeof( agebuf ) );
 757                         agebv.bv_val[agebv.bv_len] = ' ';
 758                         agebv.bv_len++;
 759                         cyclebv.bv_val = agebv.bv_val + agebv.bv_len;
 760                         log_age_unparse( li->li_cycle, &cyclebv, sizeof( agebuf ) - agebv.bv_len );
 761                         agebv.bv_len += cyclebv.bv_len;
 762                         value_add_one( &c->rvalue_vals, &agebv );
 763                         break;
 764                 case LOG_SUCCESS:
 765                         if ( li->li_success )
 766                                 c->value_int = li->li_success;
 767                         else
 768                                 rc = 1;
 769                         break;
 770                 case LOG_OLD:
 771                         if ( li->li_oldf ) {
 772                                 filter2bv( li->li_oldf, &agebv );
 773                                 ber_bvarray_add( &c->rvalue_vals, &agebv );
 774                         }
 775                         else
 776                                 rc = 1;
 777                         break;
 778                 case LOG_OLDATTR:
 779                         if ( li->li_oldattrs ) {
 780                                 log_attr *la;
 781
 782                                 for ( la = li->li_oldattrs; la; la=la->next )
 783                                         value_add_one( &c->rvalue_vals, &la->attr->ad_cname );
 784                         }
 785                         else
 786                                 rc = 1;
 787                         break;
 788                 }
 789                 break;
 790         case LDAP_MOD_DELETE:
 791                 switch( c->type ) {
 792                 case LOG_DB:
 793                         /* noop. this should always be a valid backend. */
 794                         break;
 795                 case LOG_OPS:
 796                         if ( c->valx < 0 ) {
 797                                 li->li_ops = 0;
 798                         } else {
 799                                 rc = verbs_to_mask( 1, &c->line, logops, &tmask );
 800                                 if ( rc == 0 )
 801                                         li->li_ops &= ~tmask;
 802                         }
 803                         break;
 804                 case LOG_PURGE:
 805                         if ( li->li_task ) {
 806                                 struct re_s *re = li->li_task;
 807                                 li->li_task = NULL;
 808                                 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 809                                 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
 810                                         ldap_pvt_runqueue_stoptask( &slapd_rq, re );
 811                                 ldap_pvt_runqueue_remove( &slapd_rq, re );
 812                                 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 813                         }
 814                         li->li_age = 0;
 815                         li->li_cycle = 0;
 816                         break;
 817                 case LOG_SUCCESS:
 818                         li->li_success = 0;
 819                         break;
 820                 case LOG_OLD:
 821                         if ( li->li_oldf ) {
 822                                 filter_free( li->li_oldf );
 823                                 li->li_oldf = NULL;
 824                         }
 825                         break;
 826                 case LOG_OLDATTR:
 827                         if ( c->valx < 0 ) {
 828                                 log_attr *la, *ln;
 829
 830                                 for ( la = li->li_oldattrs; la; la = ln ) {
 831                                         ln = la->next;
 832                                         ch_free( la );
 833                                 }
 834                         } else {
 835                                 log_attr *la = NULL, **lp;
 836                                 int i;
 837
 838                                 for ( lp = &li->li_oldattrs, i=0; i < c->valx; i++ ) {
 839                                         la = *lp;
 840                                         lp = &la->next;
 841                                 }
 842                                 *lp = la->next;
 843                                 ch_free( la );
 844                         }
 845                         break;
 846                 }
 847                 break;
 848         default:
 849                 switch( c->type ) {
 850                 case LOG_DB:
 851                         if ( CONFIG_ONLINE_ADD( c )) {
 852                                 li->li_db = select_backend( &c->value_ndn, 0 );
 853                                 if ( !li->li_db ) {
 854                                         snprintf( c->cr_msg, sizeof( c->cr_msg ),
 855                                                 "<%s> no matching backend found for suffix",
 856                                                 c->argv[0] );
 857                                         Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
 858                                                 c->log, c->cr_msg, c->value_dn.bv_val );
 859                                         rc = 1;
 860                                 }
 861                                 ch_free( c->value_ndn.bv_val );
 862                         } else {
 863                                 li->li_db_suffix = c->value_ndn;
 864                         }
 865                         ch_free( c->value_dn.bv_val );
 866                         break;
 867                 case LOG_OPS:
 868                         rc = verbs_to_mask( c->argc, c->argv, logops, &tmask );
 869                         if ( rc == 0 )
 870                                 li->li_ops |= tmask;
 871                         break;
 872                 case LOG_PURGE:
 873                         li->li_age = log_age_parse( c->argv[1] );
 874                         if ( li->li_age < 1 ) {
 875                                 rc = 1;
 876                         } else {
 877                                 li->li_cycle = log_age_parse( c->argv[2] );
 878                                 if ( li->li_cycle < 1 ) {
 879                                         rc = 1;
 880                                 } else if ( slapMode & SLAP_SERVER_MODE ) {
 881                                         struct re_s *re = li->li_task;
 882                                         if ( re )
 883                                                 re->interval.tv_sec = li->li_cycle;
 884                                         else {
 885                                                 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 886                                                 li->li_task = ldap_pvt_runqueue_insert( &slapd_rq,
 887                                                         li->li_cycle, accesslog_purge, li,
 888                                                         "accesslog_purge", li->li_db ?
 889                                                                 li->li_db->be_suffix[0].bv_val :
 890                                                                 c->be->be_suffix[0].bv_val );
 891                                                 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 892                                         }
 893                                 }
 894                         }
 895                         break;
 896                 case LOG_SUCCESS:
 897                         li->li_success = c->value_int;
 898                         break;
 899                 case LOG_OLD:
 900                         li->li_oldf = str2filter( c->argv[1] );
 901                         if ( !li->li_oldf ) {
 902                                 snprintf( c->cr_msg, sizeof( c->cr_msg ), "bad filter!" );
 903                                 rc = 1;
 904                         }
 905                         break;
 906                 case LOG_OLDATTR: {
 907                         int i;
 908                         AttributeDescription *ad;
 909                         const char *text;
 910
 911                         for ( i=1; i< c->argc; i++ ) {
 912                                 ad = NULL;
 913                                 if ( slap_str2ad( c->argv[i], &ad, &text ) == LDAP_SUCCESS ) {
 914                                         log_attr *la = ch_malloc( sizeof( log_attr ));
 915                                         la->attr = ad;
 916                                         la->next = li->li_oldattrs;
 917                                         li->li_oldattrs = la;
 918                                 } else {
 919                                         snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s <%s>: %s",
 920                                                 c->argv[0], c->argv[i], text );
 921                                         Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
 922                                                 "%s: %s\n", c->log, c->cr_msg, 0 );
 923                                         rc = ARG_BAD_CONF;
 924                                         break;
 925                                 }
 926                         }
 927                         }
 928                         break;
 929                 }
 930                 break;
 931         }
 932         return rc;
 933 }
 934
 935 static int
 936 logSchemaControlValidate(
 937         Syntax          *syntax,
 938         struct berval   *valp )
 939 {
 940         struct berval   val, bv;
 941         ber_len_t               i;
 942         int             rc = LDAP_SUCCESS;
 943
 944         assert( valp != NULL );
 945
 946         val = *valp;
 947
 948         /* check minimal size */
 949         if ( val.bv_len < STRLENOF( "{*}" ) ) {
 950                 return LDAP_INVALID_SYNTAX;
 951         }
 952
 953         val.bv_len--;
 954
 955         /* check SEQUENCE boundaries */
 956         if ( val.bv_val[ 0 ] != '{' /*}*/ ||
 957                 val.bv_val[ val.bv_len ] != /*{*/ '}' )
 958         {
 959                 return LDAP_INVALID_SYNTAX;
 960         }
 961
 962         /* extract and check OID */
 963         for ( i = 1; i < val.bv_len; i++ ) {
 964                 if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
 965                         break;
 966                 }
 967         }
 968
 969         bv.bv_val = &val.bv_val[ i ];
 970
 971         for ( i++; i < val.bv_len; i++ ) {
 972                 if ( ASCII_SPACE( val.bv_val[ i ] ) )
 973                 {
 974                         break;
 975                 }
 976         }
 977
 978         bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
 979
 980         rc = numericoidValidate( NULL, &bv );
 981         if ( rc != LDAP_SUCCESS ) {
 982                 return rc;
 983         }
 984
 985         if ( i == val.bv_len ) {
 986                 return LDAP_SUCCESS;
 987         }
 988
 989         if ( val.bv_val[ i ] != ' ' ) {
 990                 return LDAP_INVALID_SYNTAX;
 991         }
 992
 993         for ( i++; i < val.bv_len; i++ ) {
 994                 if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
 995                         break;
 996                 }
 997         }
 998
 999         if ( i == val.bv_len ) {
1000                 return LDAP_SUCCESS;
1001         }
1002
1003         /* extract and check criticality */
1004         if ( strncasecmp( &val.bv_val[ i ], "criticality ", STRLENOF( "criticality " ) ) == 0 )
1005         {
1006                 i += STRLENOF( "criticality " );
1007                 for ( ; i < val.bv_len; i++ ) {
1008                         if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1009                                 break;
1010                         }
1011                 }
1012
1013                 if ( i == val.bv_len ) {
1014                         return LDAP_INVALID_SYNTAX;
1015                 }
1016
1017                 bv.bv_val = &val.bv_val[ i ];
1018
1019                 for ( ; i < val.bv_len; i++ ) {
1020                         if ( ASCII_SPACE( val.bv_val[ i ] ) ) {
1021                                 break;
1022                         }
1023                 }
1024
1025                 bv.bv_len = &val.bv_val[ i ] - bv.bv_val;
1026
1027                 if ( !bvmatch( &bv, &slap_true_bv ) && !bvmatch( &bv, &slap_false_bv ) )
1028                 {
1029                         return LDAP_INVALID_SYNTAX;
1030                 }
1031
1032                 if ( i == val.bv_len ) {
1033                         return LDAP_SUCCESS;
1034                 }
1035
1036                 if ( val.bv_val[ i ] != ' ' ) {
1037                         return LDAP_INVALID_SYNTAX;
1038                 }
1039
1040                 for ( i++; i < val.bv_len; i++ ) {
1041                         if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1042                                 break;
1043                         }
1044                 }
1045
1046                 if ( i == val.bv_len ) {
1047                         return LDAP_SUCCESS;
1048                 }
1049         }
1050
1051         /* extract and check controlValue */
1052         if ( strncasecmp( &val.bv_val[ i ], "controlValue ", STRLENOF( "controlValue " ) ) == 0 )
1053         {
1054                 i += STRLENOF( "controlValue " );
1055                 for ( ; i < val.bv_len; i++ ) {
1056                         if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1057                                 break;
1058                         }
1059                 }
1060
1061                 if ( i == val.bv_len ) {
1062                         return LDAP_INVALID_SYNTAX;
1063                 }
1064
1065                 if ( val.bv_val[ i ] != '"' ) {
1066                         return LDAP_INVALID_SYNTAX;
1067                 }
1068
1069                 for ( i++; i < val.bv_len; i++ ) {
1070                         if ( val.bv_val[ i ] == '"' ) {
1071                                 break;
1072                         }
1073
1074                         if ( !ASCII_HEX( val.bv_val[ i ] ) ) {
1075                                 return LDAP_INVALID_SYNTAX;
1076                         }
1077                 }
1078
1079                 if ( val.bv_val[ i ] != '"' ) {
1080                         return LDAP_INVALID_SYNTAX;
1081                 }
1082
1083                 for ( i++; i < val.bv_len; i++ ) {
1084                         if ( !ASCII_SPACE( val.bv_val[ i ] ) ) {
1085                                 break;
1086                         }
1087                 }
1088
1089                 if ( i == val.bv_len ) {
1090                         return LDAP_SUCCESS;
1091                 }
1092         }
1093
1094         return LDAP_INVALID_SYNTAX;
1095 }
1096
1097 static int
1098 accesslog_ctrls(
1099         LDAPControl **ctrls,
1100         BerVarray *valsp,
1101         BerVarray *nvalsp,
1102         void *memctx )
1103 {
1104         long            i, rc = 0;
1105
1106         assert( valsp != NULL );
1107         assert( ctrls != NULL );
1108
1109         *valsp = NULL;
1110         *nvalsp = NULL;
1111
1112         for ( i = 0; ctrls[ i ] != NULL; i++ ) {
1113                 struct berval   idx,
1114                                 oid,
1115                                 noid,
1116                                 bv;
1117                 char            *ptr,
1118                                 buf[ 32 ];
1119
1120                 if ( ctrls[ i ]->ldctl_oid == NULL ) {
1121                         return LDAP_PROTOCOL_ERROR;
1122                 }
1123
1124                 idx.bv_len = snprintf( buf, sizeof( buf ), "{%ld}", i );
1125                 idx.bv_val = buf;
1126
1127                 ber_str2bv( ctrls[ i ]->ldctl_oid, 0, 0, &oid );
1128                 noid.bv_len = idx.bv_len + oid.bv_len;
1129                 ptr = noid.bv_val = ber_memalloc_x( noid.bv_len + 1, memctx );
1130                 ptr = lutil_strcopy( ptr, idx.bv_val );
1131                 ptr = lutil_strcopy( ptr, oid.bv_val );
1132
1133                 bv.bv_len = idx.bv_len + STRLENOF( "{}" ) + oid.bv_len;
1134
1135                 if ( ctrls[ i ]->ldctl_iscritical ) {
1136                         bv.bv_len += STRLENOF( " criticality TRUE" );
1137                 }
1138
1139                 if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
1140                         bv.bv_len += STRLENOF( " controlValue \"\"" )
1141                                 + 2 * ctrls[ i ]->ldctl_value.bv_len;
1142                 }
1143
1144                 ptr = bv.bv_val = ber_memalloc_x( bv.bv_len + 1, memctx );
1145                 if ( ptr == NULL ) {
1146                         ber_bvarray_free( *valsp );
1147                         *valsp = NULL;
1148                         ber_bvarray_free( *nvalsp );
1149                         *nvalsp = NULL;
1150                         return LDAP_OTHER;
1151                 }
1152
1153                 ptr = lutil_strcopy( ptr, idx.bv_val );
1154
1155                 *ptr++ = '{' /*}*/ ;
1156                 ptr = lutil_strcopy( ptr, oid.bv_val );
1157
1158                 if ( ctrls[ i ]->ldctl_iscritical ) {
1159                         ptr = lutil_strcopy( ptr, " criticality TRUE" );
1160                 }
1161
1162                 if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
1163                         ber_len_t       j;
1164
1165                         ptr = lutil_strcopy( ptr, " controlValue \"" );
1166                         for ( j = 0; j < ctrls[ i ]->ldctl_value.bv_len; j++ )
1167                         {
1168                                 unsigned char   o;
1169
1170                                 o = ( ( ctrls[ i ]->ldctl_value.bv_val[ j ] >> 4 ) & 0xF );
1171                                 if ( o < 10 ) {
1172                                         *ptr++ = '0' + o;
1173
1174                                 } else {
1175                                         *ptr++ = 'A' + o;
1176                                 }
1177
1178                                 o = ( ctrls[ i ]->ldctl_value.bv_val[ j ] & 0xF );
1179                                 if ( o < 10 ) {
1180                                         *ptr++ = '0' + o;
1181
1182                                 } else {
1183                                         *ptr++ = 'A' + o;
1184                                 }
1185                         }
1186
1187                         *ptr++ = '"';
1188                 }
1189
1190                 *ptr++ = '}';
1191                 *ptr = '\0';
1192
1193                 ber_bvarray_add_x( valsp, &bv, memctx );
1194                 ber_bvarray_add_x( nvalsp, &noid, memctx );
1195         }
1196
1197         return rc;
1198
1199 }
1200
1201 static Entry *accesslog_entry( Operation *op, SlapReply *rs, int logop,
1202         Operation *op2 ) {
1203         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1204         log_info *li = on->on_bi.bi_private;
1205
1206         char rdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
1207         char nrdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
1208
1209         struct berval rdn, nrdn, timestamp, ntimestamp, bv;
1210         slap_verbmasks *lo = logops+logop+EN_OFFSET;
1211
1212         Entry *e = entry_alloc();
1213
1214         strcpy( rdnbuf, RDNEQ );
1215         rdn.bv_val = rdnbuf;
1216         strcpy( nrdnbuf, RDNEQ );
1217         nrdn.bv_val = nrdnbuf;
1218
1219         timestamp.bv_val = rdnbuf+STRLENOF(RDNEQ);
1220         timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
1221         slap_timestamp( &op->o_time, &timestamp );
1222         snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op->o_tincr );
1223         timestamp.bv_len += STRLENOF(".123456");
1224
1225         rdn.bv_len = STRLENOF(RDNEQ)+timestamp.bv_len;
1226         ad_reqStart->ad_type->sat_equality->smr_normalize(
1227                 SLAP_MR_VALUE_OF_ASSERTION_SYNTAX, ad_reqStart->ad_type->sat_syntax,
1228                 ad_reqStart->ad_type->sat_equality, &timestamp, &ntimestamp,
1229                 op->o_tmpmemctx );
1230
1231         strcpy( nrdn.bv_val + STRLENOF(RDNEQ), ntimestamp.bv_val );
1232         nrdn.bv_len = STRLENOF(RDNEQ)+ntimestamp.bv_len;
1233         build_new_dn( &e->e_name, li->li_db->be_suffix, &rdn, NULL );
1234         build_new_dn( &e->e_nname, li->li_db->be_nsuffix, &nrdn, NULL );
1235
1236         attr_merge_one( e, slap_schema.si_ad_objectClass,
1237                 &log_ocs[logop]->soc_cname, NULL );
1238         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
1239                 &log_ocs[logop]->soc_cname, NULL );
1240         attr_merge_one( e, ad_reqStart, &timestamp, &ntimestamp );
1241         op->o_tmpfree( ntimestamp.bv_val, op->o_tmpmemctx );
1242
1243         slap_op_time( &op2->o_time, &op2->o_tincr );
1244
1245         timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
1246         slap_timestamp( &op2->o_time, &timestamp );
1247         snprintf( timestamp.bv_val + timestamp.bv_len-1, sizeof(".123456Z"), ".%06dZ", op2->o_tincr );
1248         timestamp.bv_len += STRLENOF(".123456");
1249
1250         attr_merge_normalize_one( e, ad_reqEnd, &timestamp, op->o_tmpmemctx );
1251
1252         /* Exops have OID appended */
1253         if ( logop == LOG_EN_EXTENDED ) {
1254                 bv.bv_len = lo->word.bv_len + op->ore_reqoid.bv_len + 2;
1255                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
1256                 AC_MEMCPY( bv.bv_val, lo->word.bv_val, lo->word.bv_len );
1257                 bv.bv_val[lo->word.bv_len] = '{';
1258                 AC_MEMCPY( bv.bv_val+lo->word.bv_len+1, op->ore_reqoid.bv_val,
1259                         op->ore_reqoid.bv_len );
1260                 bv.bv_val[bv.bv_len-1] = '}';
1261                 bv.bv_val[bv.bv_len] = '\0';
1262                 attr_merge_one( e, ad_reqType, &bv, NULL );
1263         } else {
1264                 attr_merge_one( e, ad_reqType, &lo->word, NULL );
1265         }
1266
1267         rdn.bv_len = snprintf( rdn.bv_val, sizeof( rdnbuf ), "%lu", op->o_connid );
1268         if ( rdn.bv_len < sizeof( rdnbuf ) ) {
1269                 attr_merge_one( e, ad_reqSession, &rdn, NULL );
1270         } /* else? */
1271
1272         if ( BER_BVISNULL( &op->o_dn ) ) {
1273                 attr_merge_one( e, ad_reqAuthzID, (struct berval *)&slap_empty_bv,
1274                         (struct berval *)&slap_empty_bv );
1275         } else {
1276                 attr_merge_one( e, ad_reqAuthzID, &op->o_dn, &op->o_ndn );
1277         }
1278
1279         /* FIXME: need to add reqControls and reqRespControls */
1280         if ( op->o_ctrls ) {
1281                 BerVarray       vals = NULL,
1282                                 nvals = NULL;
1283
1284                 if ( accesslog_ctrls( op->o_ctrls, &vals, &nvals,
1285                         op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
1286                 {
1287                         attr_merge( e, ad_reqControls, vals, nvals );
1288                         ber_bvarray_free_x( vals, op->o_tmpmemctx );
1289                         ber_bvarray_free_x( nvals, op->o_tmpmemctx );
1290                 }
1291         }
1292
1293         if ( rs->sr_ctrls ) {
1294                 BerVarray       vals = NULL,
1295                                 nvals = NULL;
1296
1297                 if ( accesslog_ctrls( rs->sr_ctrls, &vals, &nvals,
1298                         op->o_tmpmemctx ) == LDAP_SUCCESS && vals )
1299                 {
1300                         attr_merge( e, ad_reqRespControls, vals, nvals );
1301                         ber_bvarray_free_x( vals, op->o_tmpmemctx );
1302                         ber_bvarray_free_x( nvals, op->o_tmpmemctx );
1303                 }
1304
1305         }
1306
1307         return e;
1308 }
1309
1310 static struct berval scopes[] = {
1311         BER_BVC("base"),
1312         BER_BVC("one"),
1313         BER_BVC("sub"),
1314         BER_BVC("subord")
1315 };
1316
1317 static struct berval derefs[] = {
1318         BER_BVC("never"),
1319         BER_BVC("searching"),
1320         BER_BVC("finding"),
1321         BER_BVC("always")
1322 };
1323
1324 static struct berval simple = BER_BVC("SIMPLE");
1325
1326 static void accesslog_val2val(AttributeDescription *ad, struct berval *val,
1327         char c_op, struct berval *dst) {
1328         char *ptr;
1329
1330         dst->bv_len = ad->ad_cname.bv_len + val->bv_len + 2;
1331         if ( c_op ) dst->bv_len++;
1332
1333         dst->bv_val = ch_malloc( dst->bv_len+1 );
1334
1335         ptr = lutil_strcopy( dst->bv_val, ad->ad_cname.bv_val );
1336         *ptr++ = ':';
1337         if ( c_op )
1338                 *ptr++ = c_op;
1339         *ptr++ = ' ';
1340         AC_MEMCPY( ptr, val->bv_val, val->bv_len );
1341         dst->bv_val[dst->bv_len] = '\0';
1342 }
1343
1344 static int accesslog_response(Operation *op, SlapReply *rs) {
1345         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1346         log_info *li = on->on_bi.bi_private;
1347         Attribute *a, *last_attr;
1348         Modifications *m;
1349         struct berval *b;
1350         int i;
1351         int logop;
1352         slap_verbmasks *lo;
1353         Entry *e = NULL, *old = NULL;
1354         char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE+8];
1355         struct berval bv;
1356         char *ptr;
1357         BerVarray vals;
1358         Operation op2 = {0};
1359         SlapReply rs2 = {REP_RESULT};
1360
1361         if ( rs->sr_type != REP_RESULT && rs->sr_type != REP_EXTENDED )
1362                 return SLAP_CB_CONTINUE;
1363
1364         switch ( op->o_tag ) {
1365         case LDAP_REQ_ADD:              logop = LOG_EN_ADD; break;
1366         case LDAP_REQ_DELETE:   logop = LOG_EN_DELETE; break;
1367         case LDAP_REQ_MODIFY:   logop = LOG_EN_MODIFY; break;
1368         case LDAP_REQ_MODRDN:   logop = LOG_EN_MODRDN; break;
1369         case LDAP_REQ_COMPARE:  logop = LOG_EN_COMPARE; break;
1370         case LDAP_REQ_SEARCH:   logop = LOG_EN_SEARCH; break;
1371         case LDAP_REQ_BIND:             logop = LOG_EN_BIND; break;
1372         case LDAP_REQ_EXTENDED: logop = LOG_EN_EXTENDED; break;
1373         default:        /* unknown operation type */
1374                 logop = LOG_EN_UNKNOWN; break;
1375         }       /* Unbind and Abandon never reach here */
1376
1377         lo = logops+logop+EN_OFFSET;
1378         if ( !( li->li_ops & lo->mask ))
1379                 return SLAP_CB_CONTINUE;
1380
1381         if ( lo->mask & LOG_OP_WRITES ) {
1382                 slap_callback *cb;
1383
1384                 /* These internal ops are not logged */
1385                 if ( op->o_dont_replicate && op->orm_no_opattrs )
1386                         return SLAP_CB_CONTINUE;
1387
1388                 ldap_pvt_thread_mutex_lock( &li->li_log_mutex );
1389                 old = li->li_old;
1390                 li->li_old = NULL;
1391                 /* Disarm mod_cleanup */
1392                 for ( cb = op->o_callback; cb; cb = cb->sc_next ) {
1393                         if ( cb->sc_private == (void *)on ) {
1394                                 cb->sc_private = NULL;
1395                                 break;
1396                         }
1397                 }
1398                 ldap_pvt_thread_rmutex_unlock( &li->li_op_rmutex, op->o_tid );
1399         }
1400
1401         if ( li->li_success && rs->sr_err != LDAP_SUCCESS )
1402                 goto done;
1403
1404         e = accesslog_entry( op, rs, logop, &op2 );
1405
1406         attr_merge_one( e, ad_reqDN, &op->o_req_dn, &op->o_req_ndn );
1407
1408         if ( rs->sr_text ) {
1409                 ber_str2bv( rs->sr_text, 0, 0, &bv );
1410                 attr_merge_one( e, ad_reqMessage, &bv, NULL );
1411         }
1412         bv.bv_len = snprintf( timebuf, sizeof( timebuf ), "%d", rs->sr_err );
1413         if ( bv.bv_len < sizeof( timebuf ) ) {
1414                 bv.bv_val = timebuf;
1415                 attr_merge_one( e, ad_reqResult, &bv, NULL );
1416         }
1417
1418         last_attr = attr_find( e->e_attrs, ad_reqResult );
1419
1420         switch( logop ) {
1421         case LOG_EN_ADD:
1422         case LOG_EN_DELETE: {
1423                 char c_op;
1424                 Entry *e2;
1425
1426                 if ( logop == LOG_EN_ADD ) {
1427                         e2 = op->ora_e;
1428                         c_op = '+';
1429                 } else {
1430                         if ( !old )
1431                                 break;
1432                         e2 = old;
1433                         c_op = 0;
1434                 }
1435                 /* count all the vals */
1436                 i = 0;
1437                 for ( a=e2->e_attrs; a; a=a->a_next ) {
1438                         i += a->a_numvals;
1439                 }
1440                 vals = ch_malloc( (i+1) * sizeof( struct berval ));
1441                 i = 0;
1442                 for ( a=e2->e_attrs; a; a=a->a_next ) {
1443                         if ( a->a_vals ) {
1444                                 for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1445                                         accesslog_val2val( a->a_desc, b, c_op, &vals[i] );
1446                                 }
1447                         }
1448                 }
1449                 vals[i].bv_val = NULL;
1450                 vals[i].bv_len = 0;
1451                 a = attr_alloc( logop == LOG_EN_ADD ? ad_reqMod : ad_reqOld );
1452                 a->a_numvals = i;
1453                 a->a_vals = vals;
1454                 a->a_nvals = vals;
1455                 last_attr->a_next = a;
1456                 break;
1457         }
1458
1459         case LOG_EN_MODRDN:
1460         case LOG_EN_MODIFY:
1461                 /* count all the mods */
1462                 i = 0;
1463                 for ( m = op->orm_modlist; m; m = m->sml_next ) {
1464                         if ( m->sml_values ) {
1465                                 i += m->sml_numvals;
1466                         } else if ( m->sml_op == LDAP_MOD_DELETE ||
1467                                 m->sml_op == LDAP_MOD_REPLACE )
1468                         {
1469                                 i++;
1470                         }
1471                 }
1472                 vals = ch_malloc( (i+1) * sizeof( struct berval ));
1473                 i = 0;
1474
1475                 /* init flags on old entry */
1476                 if ( old ) {
1477                         for ( a = old->e_attrs; a; a = a->a_next ) {
1478                                 log_attr *la;
1479                                 a->a_flags = 0;
1480
1481                                 /* look for attrs that are always logged */
1482                                 for ( la = li->li_oldattrs; la; la = la->next ) {
1483                                         if ( a->a_desc == la->attr ) {
1484                                                 a->a_flags = 1;
1485                                         }
1486                                 }
1487                         }
1488                 }
1489
1490                 for ( m = op->orm_modlist; m; m = m->sml_next ) {
1491                         /* Mark this attribute as modified */
1492                         if ( old ) {
1493                                 a = attr_find( old->e_attrs, m->sml_desc );
1494                                 if ( a ) {
1495                                         a->a_flags = 1;
1496                                 }
1497                         }
1498
1499                         /* don't log the RDN mods; they're explicitly logged later */
1500                         if ( logop == LOG_EN_MODRDN &&
1501                                 ( m->sml_op == SLAP_MOD_SOFTADD ||
1502                                   m->sml_op == LDAP_MOD_DELETE ) )
1503                         {
1504                                 continue;
1505                         }
1506
1507                         if ( m->sml_values ) {
1508                                 for ( b = m->sml_values; !BER_BVISNULL( b ); b++, i++ ) {
1509                                         char c_op;
1510
1511                                         switch ( m->sml_op ) {
1512                                         case LDAP_MOD_ADD: c_op = '+'; break;
1513                                         case LDAP_MOD_DELETE:   c_op = '-'; break;
1514                                         case LDAP_MOD_REPLACE:  c_op = '='; break;
1515                                         case LDAP_MOD_INCREMENT:        c_op = '#'; break;
1516
1517                                         /* unknown op. there shouldn't be any of these. we
1518                                          * don't know what to do with it, but we shouldn't just
1519                                          * ignore it.
1520                                          */
1521                                         default: c_op = '?'; break;
1522                                         }
1523                                         accesslog_val2val( m->sml_desc, b, c_op, &vals[i] );
1524                                 }
1525                         } else if ( m->sml_op == LDAP_MOD_DELETE ||
1526                                 m->sml_op == LDAP_MOD_REPLACE )
1527                         {
1528                                 vals[i].bv_len = m->sml_desc->ad_cname.bv_len + 2;
1529                                 vals[i].bv_val = ch_malloc( vals[i].bv_len + 1 );
1530                                 ptr = lutil_strcopy( vals[i].bv_val,
1531                                         m->sml_desc->ad_cname.bv_val );
1532                                 *ptr++ = ':';
1533                                 if ( m->sml_op == LDAP_MOD_DELETE ) {
1534                                         *ptr++ = '-';
1535                                 } else {
1536                                         *ptr++ = '=';
1537                                 }
1538                                 *ptr = '\0';
1539                                 i++;
1540                         }
1541                 }
1542
1543                 if ( i > 0 ) {
1544                         BER_BVZERO( &vals[i] );
1545                         a = attr_alloc( ad_reqMod );
1546                         a->a_numvals = i;
1547                         a->a_vals = vals;
1548                         a->a_nvals = vals;
1549                         last_attr->a_next = a;
1550                         last_attr = a;
1551
1552                 } else {
1553                         ch_free( vals );
1554                 }
1555
1556                 if ( old ) {
1557                         /* count all the vals */
1558                         i = 0;
1559                         for ( a = old->e_attrs; a != NULL; a = a->a_next ) {
1560                                 if ( a->a_vals && a->a_flags ) {
1561                                         i += a->a_numvals;
1562                                 }
1563                         }
1564                         if ( i ) {
1565                                 vals = ch_malloc( (i + 1) * sizeof( struct berval ) );
1566                                 i = 0;
1567                                 for ( a=old->e_attrs; a; a=a->a_next ) {
1568                                         if ( a->a_vals && a->a_flags ) {
1569                                                 for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1570                                                         accesslog_val2val( a->a_desc, b, 0, &vals[i] );
1571                                                 }
1572                                         }
1573                                 }
1574                                 vals[i].bv_val = NULL;
1575                                 vals[i].bv_len = 0;
1576                                 a = attr_alloc( ad_reqOld );
1577                                 a->a_numvals = i;
1578                                 a->a_vals = vals;
1579                                 a->a_nvals = vals;
1580                                 last_attr->a_next = a;
1581                         }
1582                 }
1583                 if ( logop == LOG_EN_MODIFY ) {
1584                         break;
1585                 }
1586
1587                 /* Now log the actual modRDN info */
1588                 attr_merge_one( e, ad_reqNewRDN, &op->orr_newrdn, &op->orr_nnewrdn );
1589                 attr_merge_one( e, ad_reqDeleteOldRDN, op->orr_deleteoldrdn ?
1590                         (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1591                         NULL );
1592                 if ( op->orr_newSup ) {
1593                         attr_merge_one( e, ad_reqNewSuperior, op->orr_newSup, op->orr_nnewSup );
1594                 }
1595                 break;
1596
1597         case LOG_EN_COMPARE:
1598                 bv.bv_len = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
1599                         op->orc_ava->aa_value.bv_len;
1600                 bv.bv_val = op->o_tmpalloc( bv.bv_len+1, op->o_tmpmemctx );
1601                 ptr = lutil_strcopy( bv.bv_val, op->orc_ava->aa_desc->ad_cname.bv_val );
1602                 *ptr++ = '=';
1603                 AC_MEMCPY( ptr, op->orc_ava->aa_value.bv_val, op->orc_ava->aa_value.bv_len );
1604                 bv.bv_val[bv.bv_len] = '\0';
1605                 attr_merge_one( e, ad_reqAssertion, &bv, NULL );
1606                 op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1607                 break;
1608
1609         case LOG_EN_SEARCH:
1610                 attr_merge_one( e, ad_reqScope, &scopes[op->ors_scope], NULL );
1611                 attr_merge_one( e, ad_reqDerefAliases, &derefs[op->ors_deref], NULL );
1612                 attr_merge_one( e, ad_reqAttrsOnly, op->ors_attrsonly ?
1613                         (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1614                         NULL );
1615                 if ( !BER_BVISEMPTY( &op->ors_filterstr ))
1616                         attr_merge_one( e, ad_reqFilter, &op->ors_filterstr, NULL );
1617                 if ( op->ors_attrs ) {
1618                         /* count them */
1619                         for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1620                                 ;
1621                         vals = op->o_tmpalloc( (i+1) * sizeof(struct berval),
1622                                 op->o_tmpmemctx );
1623                         for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1624                                 vals[i] = op->ors_attrs[i].an_name;
1625                         vals[i].bv_val = NULL;
1626                         vals[i].bv_len = 0;
1627                         attr_merge( e, ad_reqAttr, vals, NULL );
1628                         op->o_tmpfree( vals, op->o_tmpmemctx );
1629                 }
1630                 bv.bv_val = timebuf;
1631                 bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", rs->sr_nentries );
1632                 if ( bv.bv_len < sizeof( timebuf ) ) {
1633                         attr_merge_one( e, ad_reqEntries, &bv, NULL );
1634                 } /* else? */
1635
1636                 bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_tlimit );
1637                 if ( bv.bv_len < sizeof( timebuf ) ) {
1638                         attr_merge_one( e, ad_reqTimeLimit, &bv, NULL );
1639                 } /* else? */
1640
1641                 bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->ors_slimit );
1642                 if ( bv.bv_len < sizeof( timebuf ) ) {
1643                         attr_merge_one( e, ad_reqSizeLimit, &bv, NULL );
1644                 } /* else? */
1645                 break;
1646
1647         case LOG_EN_BIND:
1648                 bv.bv_val = timebuf;
1649                 bv.bv_len = snprintf( bv.bv_val, sizeof( timebuf ), "%d", op->o_protocol );
1650                 if ( bv.bv_len < sizeof( timebuf ) ) {
1651                         attr_merge_one( e, ad_reqVersion, &bv, NULL );
1652                 } /* else? */
1653                 if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
1654                         attr_merge_one( e, ad_reqMethod, &simple, NULL );
1655                 } else {
1656                         bv.bv_len = STRLENOF("SASL()") + op->orb_mech.bv_len;
1657                         bv.bv_val = op->o_tmpalloc( bv.bv_len + 1, op->o_tmpmemctx );
1658                         ptr = lutil_strcopy( bv.bv_val, "SASL(" );
1659                         ptr = lutil_strcopy( ptr, op->orb_mech.bv_val );
1660                         *ptr++ = ')';
1661                         *ptr = '\0';
1662                         attr_merge_one( e, ad_reqMethod, &bv, NULL );
1663                         op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1664                 }
1665
1666                 break;
1667
1668         case LOG_EN_EXTENDED:
1669                 if ( op->ore_reqdata ) {
1670                         attr_merge_one( e, ad_reqData, op->ore_reqdata, NULL );
1671                 }
1672                 break;
1673
1674         case LOG_EN_UNKNOWN:
1675                 /* we don't know its parameters, don't add any */
1676                 break;
1677         }
1678
1679         op2.o_hdr = op->o_hdr;
1680         op2.o_tag = LDAP_REQ_ADD;
1681         op2.o_bd = li->li_db;
1682         op2.o_dn = li->li_db->be_rootdn;
1683         op2.o_ndn = li->li_db->be_rootndn;
1684         op2.o_req_dn = e->e_name;
1685         op2.o_req_ndn = e->e_nname;
1686         op2.ora_e = e;
1687         op2.o_callback = &nullsc;
1688
1689         if (( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn )) {
1690                 slap_queue_csn( &op2, &op->o_csn );
1691         }
1692
1693         op2.o_bd->be_add( &op2, &rs2 );
1694         if ( e == op2.ora_e ) entry_free( e );
1695         e = NULL;
1696
1697 done:
1698         if ( lo->mask & LOG_OP_WRITES )
1699                 ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );
1700         if ( old ) entry_free( old );
1701         return SLAP_CB_CONTINUE;
1702 }
1703
1704 /* Since Bind success is sent by the frontend, it won't normally enter
1705  * the overlay response callback. Add another callback to make sure it
1706  * gets here.
1707  */
1708 static int
1709 accesslog_bind_resp( Operation *op, SlapReply *rs )
1710 {
1711         BackendDB *be, db;
1712         int rc;
1713         slap_callback *sc;
1714
1715         be = op->o_bd;
1716         db = *be;
1717         op->o_bd = &db;
1718         db.bd_info = op->o_callback->sc_private;
1719         rc = accesslog_response( op, rs );
1720         op->o_bd = be;
1721         sc = op->o_callback;
1722         op->o_callback = sc->sc_next;
1723         op->o_tmpfree( sc, op->o_tmpmemctx );
1724         return rc;
1725 }
1726
1727 static int
1728 accesslog_op_bind( Operation *op, SlapReply *rs )
1729 {
1730         slap_callback *sc;
1731
1732         sc = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
1733         sc->sc_response = accesslog_bind_resp;
1734         sc->sc_private = op->o_bd->bd_info;
1735
1736         if ( op->o_callback ) {
1737                 sc->sc_next = op->o_callback->sc_next;
1738                 op->o_callback->sc_next = sc;
1739         } else {
1740                 op->o_callback = sc;
1741         }
1742         return SLAP_CB_CONTINUE;
1743 }
1744
1745 static int
1746 accesslog_mod_cleanup( Operation *op, SlapReply *rs )
1747 {
1748         slap_callback *sc = op->o_callback;
1749         slap_overinst *on = sc->sc_private;
1750         op->o_callback = sc->sc_next;
1751
1752         op->o_tmpfree( sc, op->o_tmpmemctx );
1753
1754         if ( on ) {
1755                 BackendInfo *bi = op->o_bd->bd_info;
1756                 op->o_bd->bd_info = (BackendInfo *)on;
1757                 accesslog_response( op, rs );
1758                 op->o_bd->bd_info = bi;
1759         }
1760         return 0;
1761 }
1762
1763 static int
1764 accesslog_op_mod( Operation *op, SlapReply *rs )
1765 {
1766         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1767         log_info *li = on->on_bi.bi_private;
1768
1769         /* These internal ops are not logged */
1770         if ( op->o_dont_replicate && op->orm_no_opattrs )
1771                 return SLAP_CB_CONTINUE;
1772
1773         if ( li->li_ops & LOG_OP_WRITES ) {
1774                 slap_callback *cb = op->o_tmpalloc( sizeof( slap_callback ), op->o_tmpmemctx ), *cb2;
1775                 cb->sc_cleanup = accesslog_mod_cleanup;
1776                 cb->sc_response = NULL;
1777                 cb->sc_private = on;
1778                 cb->sc_next = NULL;
1779                 for ( cb2 = op->o_callback; cb2->sc_next; cb2 = cb2->sc_next );
1780                 cb2->sc_next = cb;
1781
1782                 ldap_pvt_thread_rmutex_lock( &li->li_op_rmutex, op->o_tid );
1783                 if ( li->li_oldf && ( op->o_tag == LDAP_REQ_DELETE ||
1784                         op->o_tag == LDAP_REQ_MODIFY ||
1785                         ( op->o_tag == LDAP_REQ_MODRDN && li->li_oldattrs ))) {
1786                         int rc;
1787                         Entry *e;
1788
1789                         op->o_bd->bd_info = (BackendInfo *)on->on_info;
1790                         rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1791                         if ( e ) {
1792                                 if ( test_filter( op, e, li->li_oldf ) == LDAP_COMPARE_TRUE )
1793                                         li->li_old = entry_dup( e );
1794                                 be_entry_release_rw( op, e, 0 );
1795                         }
1796                         op->o_bd->bd_info = (BackendInfo *)on;
1797                 }
1798         }
1799         return SLAP_CB_CONTINUE;
1800 }
1801
1802 /* unbinds are broadcast to all backends; we only log it if this
1803  * backend was used for the original bind.
1804  */
1805 static int
1806 accesslog_unbind( Operation *op, SlapReply *rs )
1807 {
1808         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1809         if ( op->o_conn->c_authz_backend == on->on_info->oi_origdb ) {
1810                 log_info *li = on->on_bi.bi_private;
1811                 Operation op2 = {0};
1812                 void *cids[SLAP_MAX_CIDS];
1813                 SlapReply rs2 = {REP_RESULT};
1814                 Entry *e;
1815
1816                 if ( !( li->li_ops & LOG_OP_UNBIND ))
1817                         return SLAP_CB_CONTINUE;
1818
1819                 e = accesslog_entry( op, rs, LOG_EN_UNBIND, &op2 );
1820                 op2.o_hdr = op->o_hdr;
1821                 op2.o_tag = LDAP_REQ_ADD;
1822                 op2.o_bd = li->li_db;
1823                 op2.o_dn = li->li_db->be_rootdn;
1824                 op2.o_ndn = li->li_db->be_rootndn;
1825                 op2.o_req_dn = e->e_name;
1826                 op2.o_req_ndn = e->e_nname;
1827                 op2.ora_e = e;
1828                 op2.o_callback = &nullsc;
1829                 op2.o_controls = cids;
1830                 memset(cids, 0, sizeof( cids ));
1831
1832                 op2.o_bd->be_add( &op2, &rs2 );
1833                 if ( e == op2.ora_e )
1834                         entry_free( e );
1835         }
1836         return SLAP_CB_CONTINUE;
1837 }
1838
1839 static int
1840 accesslog_abandon( Operation *op, SlapReply *rs )
1841 {
1842         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1843         log_info *li = on->on_bi.bi_private;
1844         Operation op2 = {0};
1845         void *cids[SLAP_MAX_CIDS];
1846         SlapReply rs2 = {REP_RESULT};
1847         Entry *e;
1848         char buf[64];
1849         struct berval bv;
1850
1851         if ( !op->o_time || !( li->li_ops & LOG_OP_ABANDON ))
1852                 return SLAP_CB_CONTINUE;
1853
1854         e = accesslog_entry( op, rs, LOG_EN_ABANDON, &op2 );
1855         bv.bv_val = buf;
1856         bv.bv_len = snprintf( buf, sizeof( buf ), "%d", op->orn_msgid );
1857         if ( bv.bv_len < sizeof( buf ) ) {
1858                 attr_merge_one( e, ad_reqId, &bv, NULL );
1859         } /* else? */
1860
1861         op2.o_hdr = op->o_hdr;
1862         op2.o_tag = LDAP_REQ_ADD;
1863         op2.o_bd = li->li_db;
1864         op2.o_dn = li->li_db->be_rootdn;
1865         op2.o_ndn = li->li_db->be_rootndn;
1866         op2.o_req_dn = e->e_name;
1867         op2.o_req_ndn = e->e_nname;
1868         op2.ora_e = e;
1869         op2.o_callback = &nullsc;
1870         op2.o_controls = cids;
1871         memset(cids, 0, sizeof( cids ));
1872
1873         op2.o_bd->be_add( &op2, &rs2 );
1874         if ( e == op2.ora_e )
1875                 entry_free( e );
1876
1877         return SLAP_CB_CONTINUE;
1878 }
1879
1880 static int
1881 accesslog_operational( Operation *op, SlapReply *rs )
1882 {
1883         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1884         log_info *li = on->on_bi.bi_private;
1885
1886         if ( op->o_sync != SLAP_CONTROL_NONE )
1887                 return SLAP_CB_CONTINUE;
1888
1889         if ( rs->sr_entry != NULL
1890                 && dn_match( &op->o_bd->be_nsuffix[0], &rs->sr_entry->e_nname ) )
1891         {
1892                 Attribute       **ap;
1893
1894                 for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
1895                         /* just count */ ;
1896
1897                 if ( SLAP_OPATTRS( rs->sr_attr_flags ) ||
1898                                 ad_inlist( ad_auditContext, rs->sr_attrs ) )
1899                 {
1900                         *ap = attr_alloc( ad_auditContext );
1901                         attr_valadd( *ap,
1902                                 &li->li_db->be_suffix[0],
1903                                 &li->li_db->be_nsuffix[0], 1 );
1904                 }
1905         }
1906
1907         return SLAP_CB_CONTINUE;
1908 }
1909
1910 static slap_overinst accesslog;
1911
1912 static int
1913 accesslog_db_init(
1914         BackendDB *be,
1915         ConfigReply *cr
1916 )
1917 {
1918         slap_overinst *on = (slap_overinst *)be->bd_info;
1919         log_info *li = ch_calloc(1, sizeof(log_info));
1920
1921         on->on_bi.bi_private = li;
1922         ldap_pvt_thread_rmutex_init( &li->li_op_rmutex );
1923         ldap_pvt_thread_mutex_init( &li->li_log_mutex );
1924         return 0;
1925 }
1926
1927 static int
1928 accesslog_db_destroy(
1929         BackendDB *be,
1930         ConfigReply *cr
1931 )
1932 {
1933         slap_overinst *on = (slap_overinst *)be->bd_info;
1934         log_info *li = on->on_bi.bi_private;
1935         log_attr *la;
1936
1937         if ( li->li_oldf )
1938                 filter_free( li->li_oldf );
1939         for ( la=li->li_oldattrs; la; la=li->li_oldattrs ) {
1940                 li->li_oldattrs = la->next;
1941                 ch_free( la );
1942         }
1943         ldap_pvt_thread_mutex_destroy( &li->li_log_mutex );
1944         ldap_pvt_thread_rmutex_destroy( &li->li_op_rmutex );
1945         free( li );
1946         return LDAP_SUCCESS;
1947 }
1948
1949 /* Create the logdb's root entry if it's missing */
1950 static void *
1951 accesslog_db_root(
1952         void *ctx,
1953         void *arg )
1954 {
1955         struct re_s *rtask = arg;
1956         slap_overinst *on = rtask->arg;
1957         log_info *li = on->on_bi.bi_private;
1958
1959         Connection conn = {0};
1960         OperationBuffer opbuf;
1961         Operation *op;
1962
1963         Entry *e;
1964         int rc;
1965
1966         connection_fake_init( &conn, &opbuf, ctx );
1967         op = &opbuf.ob_op;
1968         op->o_bd = li->li_db;
1969         op->o_dn = li->li_db->be_rootdn;
1970         op->o_ndn = li->li_db->be_rootndn;
1971         rc = be_entry_get_rw( op, li->li_db->be_nsuffix, NULL, NULL, 0, &e );
1972
1973         if ( e ) {
1974                 be_entry_release_rw( op, e, 0 );
1975
1976         } else {
1977                 SlapReply rs = {REP_RESULT};
1978                 struct berval rdn, nrdn, attr;
1979                 char *ptr;
1980                 AttributeDescription *ad = NULL;
1981                 const char *text = NULL;
1982                 Entry *e_ctx;
1983
1984                 e = entry_alloc();
1985                 ber_dupbv( &e->e_name, li->li_db->be_suffix );
1986                 ber_dupbv( &e->e_nname, li->li_db->be_nsuffix );
1987
1988                 attr_merge_one( e, slap_schema.si_ad_objectClass,
1989                         &log_container->soc_cname, NULL );
1990
1991                 dnRdn( &e->e_name, &rdn );
1992                 dnRdn( &e->e_nname, &nrdn );
1993                 ptr = ber_bvchr( &rdn, '=' );
1994
1995                 assert( ptr != NULL );
1996
1997                 attr.bv_val = rdn.bv_val;
1998                 attr.bv_len = ptr - rdn.bv_val;
1999
2000                 slap_bv2ad( &attr, &ad, &text );
2001
2002                 rdn.bv_val = ptr+1;
2003                 rdn.bv_len -= attr.bv_len + 1;
2004                 ptr = ber_bvchr( &nrdn, '=' );
2005                 nrdn.bv_len -= ptr - nrdn.bv_val + 1;
2006                 nrdn.bv_val = ptr+1;
2007                 attr_merge_one( e, ad, &rdn, &nrdn );
2008
2009                 /* Get contextCSN from main DB */
2010                 op->o_bd = on->on_info->oi_origdb;
2011                 rc = be_entry_get_rw( op, op->o_bd->be_nsuffix, NULL,
2012                         slap_schema.si_ad_contextCSN, 0, &e_ctx );
2013
2014                 if ( e_ctx ) {
2015                         Attribute *a;
2016
2017                         a = attr_find( e_ctx->e_attrs, slap_schema.si_ad_contextCSN );
2018                         if ( a ) {
2019                                 /* FIXME: contextCSN could have multiple values!
2020                                  * should select the one with the server's SID */
2021                                 attr_merge_one( e, slap_schema.si_ad_entryCSN,
2022                                         &a->a_vals[0], &a->a_nvals[0] );
2023                                 attr_merge( e, a->a_desc, a->a_vals, a->a_nvals );
2024                         }
2025                         be_entry_release_rw( op, e_ctx, 0 );
2026                 }
2027                 op->o_bd = li->li_db;
2028
2029                 op->ora_e = e;
2030                 op->o_req_dn = e->e_name;
2031                 op->o_req_ndn = e->e_nname;
2032                 op->o_callback = &nullsc;
2033                 SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
2034                 rc = op->o_bd->be_add( op, &rs );
2035                 SLAP_DBFLAGS( op->o_bd ) ^= SLAP_DBFLAG_NOLASTMOD;
2036                 if ( e == op->ora_e )
2037                         entry_free( e );
2038         }
2039         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
2040         ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
2041         ldap_pvt_runqueue_remove( &slapd_rq, rtask );
2042         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
2043
2044         return NULL;
2045 }
2046
2047 static int
2048 accesslog_db_open(
2049         BackendDB *be,
2050         ConfigReply *cr
2051 )
2052 {
2053         slap_overinst *on = (slap_overinst *)be->bd_info;
2054         log_info *li = on->on_bi.bi_private;
2055
2056
2057         if ( !BER_BVISEMPTY( &li->li_db_suffix )) {
2058                 li->li_db = select_backend( &li->li_db_suffix, 0 );
2059                 ch_free( li->li_db_suffix.bv_val );
2060                 BER_BVZERO( &li->li_db_suffix );
2061         }
2062         if ( li->li_db == NULL ) {
2063                 Debug( LDAP_DEBUG_ANY,
2064                         "accesslog: \"logdb <suffix>\" missing or invalid.\n",
2065                         0, 0, 0 );
2066                 return 1;
2067         }
2068
2069         if ( slapMode & SLAP_TOOL_MODE )
2070                 return 0;
2071
2072         if ( BER_BVISEMPTY( &li->li_db->be_rootndn )) {
2073                 ber_dupbv( &li->li_db->be_rootdn, li->li_db->be_suffix );
2074                 ber_dupbv( &li->li_db->be_rootndn, li->li_db->be_nsuffix );
2075         }
2076
2077         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
2078         ldap_pvt_runqueue_insert( &slapd_rq, 3600, accesslog_db_root, on,
2079                 "accesslog_db_root", li->li_db->be_suffix[0].bv_val );
2080         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
2081
2082         return 0;
2083 }
2084
2085 int accesslog_initialize()
2086 {
2087         int i, rc;
2088
2089         accesslog.on_bi.bi_type = "accesslog";
2090         accesslog.on_bi.bi_db_init = accesslog_db_init;
2091         accesslog.on_bi.bi_db_destroy = accesslog_db_destroy;
2092         accesslog.on_bi.bi_db_open = accesslog_db_open;
2093
2094         accesslog.on_bi.bi_op_add = accesslog_op_mod;
2095         accesslog.on_bi.bi_op_bind = accesslog_op_bind;
2096         accesslog.on_bi.bi_op_delete = accesslog_op_mod;
2097         accesslog.on_bi.bi_op_modify = accesslog_op_mod;
2098         accesslog.on_bi.bi_op_modrdn = accesslog_op_mod;
2099         accesslog.on_bi.bi_op_unbind = accesslog_unbind;
2100         accesslog.on_bi.bi_op_abandon = accesslog_abandon;
2101         accesslog.on_bi.bi_operational = accesslog_operational;
2102         accesslog.on_response = accesslog_response;
2103
2104         accesslog.on_bi.bi_cf_ocs = log_cfocs;
2105
2106         nullsc.sc_response = slap_null_cb;
2107
2108         rc = config_register_schema( log_cfats, log_cfocs );
2109         if ( rc ) return rc;
2110
2111         /* log schema integration */
2112         for ( i=0; lsyntaxes[i].oid; i++ ) {
2113                 int code;
2114
2115                 code = register_syntax( &lsyntaxes[ i ].syn );
2116                 if ( code != 0 ) {
2117                         Debug( LDAP_DEBUG_ANY,
2118                                 "accesslog_init: register_syntax failed\n",
2119                                 0, 0, 0 );
2120                         return code;
2121                 }
2122
2123                 if ( lsyntaxes[i].mrs != NULL ) {
2124                         code = mr_make_syntax_compat_with_mrs(
2125                                 lsyntaxes[i].oid, lsyntaxes[i].mrs );
2126                         if ( code < 0 ) {
2127                                 Debug( LDAP_DEBUG_ANY,
2128                                         "accesslog_init: "
2129                                         "mr_make_syntax_compat_with_mrs "
2130                                         "failed\n",
2131                                         0, 0, 0 );
2132                                 return code;
2133                         }
2134                 }
2135         }
2136
2137         for ( i=0; lattrs[i].at; i++ ) {
2138                 int code;
2139
2140                 code = register_at( lattrs[i].at, lattrs[i].ad, 0 );
2141                 if ( code ) {
2142                         Debug( LDAP_DEBUG_ANY,
2143                                 "accesslog_init: register_at failed\n",
2144                                 0, 0, 0 );
2145                         return -1;
2146                 }
2147 #ifndef LDAP_DEVEL
2148                 (*lattrs[i].ad)->ad_type->sat_flags |= SLAP_AT_HIDE;
2149 #endif
2150         }
2151
2152         for ( i=0; locs[i].ot; i++ ) {
2153                 int code;
2154
2155                 code = register_oc( locs[i].ot, locs[i].oc, 0 );
2156                 if ( code ) {
2157                         Debug( LDAP_DEBUG_ANY,
2158                                 "accesslog_init: register_oc failed\n",
2159                                 0, 0, 0 );
2160                         return -1;
2161                 }
2162 #ifndef LDAP_DEVEL
2163                 (*locs[i].oc)->soc_flags |= SLAP_OC_HIDE;
2164 #endif
2165         }
2166
2167         return overlay_register(&accesslog);
2168 }
2169
2170 #if SLAPD_OVER_ACCESSLOG == SLAPD_MOD_DYNAMIC
2171 int
2172 init_module( int argc, char *argv[] )
2173 {
2174         return accesslog_initialize();
2175 }
2176 #endif
2177
2178 #endif /* SLAPD_OVER_ACCESSLOG */