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 2005-2006 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         slap_mask_t li_ops;
  62         int li_age;
  63         int li_cycle;
  64         struct re_s *li_task;
  65         Filter *li_oldf;
  66         Entry *li_old;
  67         log_attr *li_oldattrs;
  68         int li_success;
  69         ldap_pvt_thread_rmutex_t li_op_rmutex;
  70         ldap_pvt_thread_mutex_t li_log_mutex;
  71 } log_info;
  72
  73 static ConfigDriver log_cf_gen;
  74
  75 enum {
  76         LOG_DB = 1,
  77         LOG_OPS,
  78         LOG_PURGE,
  79         LOG_SUCCESS,
  80         LOG_OLD,
  81         LOG_OLDATTR
  82 };
  83
  84 static ConfigTable log_cfats[] = {
  85         { "logdb", "suffix", 2, 2, 0, ARG_DN|ARG_MAGIC|LOG_DB,
  86                 log_cf_gen, "( OLcfgOvAt:4.1 NAME 'olcAccessLogDB' "
  87                         "DESC 'Suffix of database for log content' "
  88                         "SUP distinguishedName SINGLE-VALUE )", NULL, NULL },
  89         { "logops", "op|writes|reads|session|all", 2, 0, 0,
  90                 ARG_MAGIC|LOG_OPS,
  91                 log_cf_gen, "( OLcfgOvAt:4.2 NAME 'olcAccessLogOps' "
  92                         "DESC 'Operation types to log' "
  93                         "EQUALITY caseIgnoreMatch "
  94                         "SYNTAX OMsDirectoryString )", NULL, NULL },
  95         { "logpurge", "age> <interval", 3, 3, 0, ARG_MAGIC|LOG_PURGE,
  96                 log_cf_gen, "( OLcfgOvAt:4.3 NAME 'olcAccessLogPurge' "
  97                         "DESC 'Log cleanup parameters' "
  98                         "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  99         { "logsuccess", NULL, 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|LOG_SUCCESS,
 100                 log_cf_gen, "( OLcfgOvAt:4.4 NAME 'olcAccessLogSuccess' "
 101                         "DESC 'Log successful ops only' "
 102                         "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
 103         { "logold", "filter", 2, 2, 0, ARG_MAGIC|LOG_OLD,
 104                 log_cf_gen, "( OLcfgOvAt:4.5 NAME 'olcAccessLogOld' "
 105                         "DESC 'Log old values when modifying entries matching the filter' "
 106                         "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
 107         { "logoldattr", "attrs", 2, 0, 0, ARG_MAGIC|LOG_OLDATTR,
 108                 log_cf_gen, "( OLcfgOvAt:4.6 NAME 'olcAccessLogOldAttr' "
 109                         "DESC 'Log old values of these attributes even if unmodified' "
 110                         "SYNTAX OMsDirectoryString )", NULL, NULL },
 111         { NULL }
 112 };
 113
 114 static ConfigOCs log_cfocs[] = {
 115         { "( OLcfgOvOc:4.1 "
 116                 "NAME 'olcAccessLogConfig' "
 117                 "DESC 'Access log configuration' "
 118                 "SUP olcOverlayConfig "
 119                 "MUST olcAccessLogDB "
 120                 "MAY ( olcAccessLogOps $ olcAccessLogPurge $ olcAccessLogSuccess $ "
 121                         "olcAccessLogOld $ olcAccessLogOldAttr ) )",
 122                         Cft_Overlay, log_cfats },
 123         { NULL }
 124 };
 125
 126 static slap_verbmasks logops[] = {
 127         { BER_BVC("all"),               LOG_OP_ALL },
 128         { BER_BVC("writes"),    LOG_OP_WRITES },
 129         { BER_BVC("session"),   LOG_OP_SESSION },
 130         { BER_BVC("reads"),             LOG_OP_READS },
 131         { BER_BVC("add"),               LOG_OP_ADD },
 132         { BER_BVC("delete"),    LOG_OP_DELETE },
 133         { BER_BVC("modify"),    LOG_OP_MODIFY },
 134         { BER_BVC("modrdn"),    LOG_OP_MODRDN },
 135         { BER_BVC("compare"),   LOG_OP_COMPARE },
 136         { BER_BVC("search"),    LOG_OP_SEARCH },
 137         { BER_BVC("bind"),              LOG_OP_BIND },
 138         { BER_BVC("unbind"),    LOG_OP_UNBIND },
 139         { BER_BVC("abandon"),   LOG_OP_ABANDON },
 140         { BER_BVC("extended"),  LOG_OP_EXTENDED },
 141         { BER_BVC("unknown"),   LOG_OP_UNKNOWN },
 142         { BER_BVNULL, 0 }
 143 };
 144
 145 /* Start with "add" in logops */
 146 #define EN_OFFSET       4
 147
 148 enum {
 149         LOG_EN_ADD = 0,
 150         LOG_EN_DELETE,
 151         LOG_EN_MODIFY,
 152         LOG_EN_MODRDN,
 153         LOG_EN_COMPARE,
 154         LOG_EN_SEARCH,
 155         LOG_EN_BIND,
 156         LOG_EN_UNBIND,
 157         LOG_EN_ABANDON,
 158         LOG_EN_EXTENDED,
 159         LOG_EN_UNKNOWN,
 160         LOG_EN__COUNT
 161 };
 162
 163 static ObjectClass *log_ocs[LOG_EN__COUNT], *log_container;
 164
 165 #define LOG_SCHEMA_ROOT "1.3.6.1.4.1.4203.666.11.5"
 166
 167 #define LOG_SCHEMA_AT LOG_SCHEMA_ROOT ".1"
 168 #define LOG_SCHEMA_OC LOG_SCHEMA_ROOT ".2"
 169
 170 static AttributeDescription *ad_reqDN, *ad_reqStart, *ad_reqEnd, *ad_reqType,
 171         *ad_reqSession, *ad_reqResult, *ad_reqAuthzID, *ad_reqControls,
 172         *ad_reqRespControls, *ad_reqMethod, *ad_reqAssertion, *ad_reqNewRDN,
 173         *ad_reqNewSuperior, *ad_reqDeleteOldRDN, *ad_reqMod,
 174         *ad_reqScope, *ad_reqFilter, *ad_reqAttr, *ad_reqEntries,
 175         *ad_reqSizeLimit, *ad_reqTimeLimit, *ad_reqAttrsOnly, *ad_reqData,
 176         *ad_reqId, *ad_reqMessage, *ad_reqVersion, *ad_reqDerefAliases,
 177         *ad_reqReferral, *ad_reqOld;
 178
 179 static struct {
 180         char *at;
 181         AttributeDescription **ad;
 182 } lattrs[] = {
 183         { "( " LOG_SCHEMA_AT ".1 NAME 'reqDN' "
 184                 "DESC 'Target DN of request' "
 185                 "EQUALITY distinguishedNameMatch "
 186                 "SYNTAX OMsDN "
 187                 "SINGLE-VALUE )", &ad_reqDN },
 188         { "( " LOG_SCHEMA_AT ".2 NAME 'reqStart' "
 189                 "DESC 'Start time of request' "
 190                 "EQUALITY generalizedTimeMatch "
 191                 "ORDERING generalizedTimeOrderingMatch "
 192                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
 193                 "SINGLE-VALUE )", &ad_reqStart },
 194         { "( " LOG_SCHEMA_AT ".3 NAME 'reqEnd' "
 195                 "DESC 'End time of request' "
 196                 "EQUALITY generalizedTimeMatch "
 197                 "ORDERING generalizedTimeOrderingMatch "
 198                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
 199                 "SINGLE-VALUE )", &ad_reqEnd },
 200         { "( " LOG_SCHEMA_AT ".4 NAME 'reqType' "
 201                 "DESC 'Type of request' "
 202                 "EQUALITY caseIgnoreMatch "
 203                 "SYNTAX OMsDirectoryString "
 204                 "SINGLE-VALUE )", &ad_reqType },
 205         { "( " LOG_SCHEMA_AT ".5 NAME 'reqSession' "
 206                 "DESC 'Session ID of request' "
 207                 "EQUALITY caseIgnoreMatch "
 208                 "SYNTAX OMsDirectoryString "
 209                 "SINGLE-VALUE )", &ad_reqSession },
 210         { "( " LOG_SCHEMA_AT ".6 NAME 'reqAuthzID' "
 211                 "DESC 'Authorization ID of requestor' "
 212                 "EQUALITY distinguishedNameMatch "
 213                 "SYNTAX OMsDN "
 214                 "SINGLE-VALUE )", &ad_reqAuthzID },
 215         { "( " LOG_SCHEMA_AT ".7 NAME 'reqResult' "
 216                 "DESC 'Result code of request' "
 217                 "EQUALITY integerMatch "
 218                 "ORDERING integerOrderingMatch "
 219                 "SYNTAX OMsInteger "
 220                 "SINGLE-VALUE )", &ad_reqResult },
 221         { "( " LOG_SCHEMA_AT ".8 NAME 'reqMessage' "
 222                 "DESC 'Error text of request' "
 223                 "EQUALITY caseIgnoreMatch "
 224                 "SUBSTR caseIgnoreSubstringsMatch "
 225                 "SYNTAX OMsDirectoryString "
 226                 "SINGLE-VALUE )", &ad_reqMessage },
 227         { "( " LOG_SCHEMA_AT ".9 NAME 'reqReferral' "
 228                 "DESC 'Referrals returned for request' "
 229                 "SUP labeledURI )", &ad_reqReferral },
 230         { "( " LOG_SCHEMA_AT ".10 NAME 'reqControls' "
 231                 "DESC 'Request controls' "
 232                 "SYNTAX OMsOctetString )", &ad_reqControls },
 233         { "( " LOG_SCHEMA_AT ".11 NAME 'reqRespControls' "
 234                 "DESC 'Response controls of request' "
 235                 "SYNTAX OMsOctetString )", &ad_reqRespControls },
 236         { "( " LOG_SCHEMA_AT ".12 NAME 'reqId' "
 237                 "DESC 'ID of Request to Abandon' "
 238                 "EQUALITY integerMatch "
 239                 "ORDERING integerOrderingMatch "
 240                 "SYNTAX OMsInteger "
 241                 "SINGLE-VALUE )", &ad_reqId },
 242         { "( " LOG_SCHEMA_AT ".13 NAME 'reqVersion' "
 243                 "DESC 'Protocol version of Bind request' "
 244                 "EQUALITY integerMatch "
 245                 "ORDERING integerOrderingMatch "
 246                 "SYNTAX OMsInteger "
 247                 "SINGLE-VALUE )", &ad_reqVersion },
 248         { "( " LOG_SCHEMA_AT ".14 NAME 'reqMethod' "
 249                 "DESC 'Bind method of request' "
 250                 "EQUALITY caseIgnoreMatch "
 251                 "SYNTAX OMsDirectoryString "
 252                 "SINGLE-VALUE )", &ad_reqMethod },
 253         { "( " LOG_SCHEMA_AT ".15 NAME 'reqAssertion' "
 254                 "DESC 'Compare Assertion of request' "
 255                 "SYNTAX OMsDirectoryString "
 256                 "SINGLE-VALUE )", &ad_reqAssertion },
 257         { "( " LOG_SCHEMA_AT ".16 NAME 'reqMod' "
 258                 "DESC 'Modifications of request' "
 259                 "EQUALITY octetStringMatch "
 260                 "SUBSTR octetStringSubstringsMatch "
 261                 "SYNTAX OMsOctetString )", &ad_reqMod },
 262         { "( " LOG_SCHEMA_AT ".17 NAME 'reqOld' "
 263                 "DESC 'Old values of entry before request completed' "
 264                 "EQUALITY octetStringMatch "
 265                 "SUBSTR octetStringSubstringsMatch "
 266                 "SYNTAX OMsOctetString )", &ad_reqOld },
 267         { "( " LOG_SCHEMA_AT ".18 NAME 'reqNewRDN' "
 268                 "DESC 'New RDN of request' "
 269                 "EQUALITY distinguishedNameMatch "
 270                 "SYNTAX OMsDN "
 271                 "SINGLE-VALUE )", &ad_reqNewRDN },
 272         { "( " LOG_SCHEMA_AT ".19 NAME 'reqDeleteOldRDN' "
 273                 "DESC 'Delete old RDN' "
 274                 "EQUALITY booleanMatch "
 275                 "SYNTAX OMsBoolean "
 276                 "SINGLE-VALUE )", &ad_reqDeleteOldRDN },
 277         { "( " LOG_SCHEMA_AT ".20 NAME 'reqNewSuperior' "
 278                 "DESC 'New superior DN of request' "
 279                 "EQUALITY distinguishedNameMatch "
 280                 "SYNTAX OMsDN "
 281                 "SINGLE-VALUE )", &ad_reqNewSuperior },
 282         { "( " LOG_SCHEMA_AT ".21 NAME 'reqScope' "
 283                 "DESC 'Scope of request' "
 284                 "EQUALITY caseIgnoreMatch "
 285                 "SYNTAX OMsDirectoryString "
 286                 "SINGLE-VALUE )", &ad_reqScope },
 287         { "( " LOG_SCHEMA_AT ".22 NAME 'reqDerefAliases' "
 288                 "DESC 'Disposition of Aliases in request' "
 289                 "EQUALITY caseIgnoreMatch "
 290                 "SYNTAX OMsDirectoryString "
 291                 "SINGLE-VALUE )", &ad_reqDerefAliases },
 292         { "( " LOG_SCHEMA_AT ".23 NAME 'reqAttrsOnly' "
 293                 "DESC 'Attributes and values of request' "
 294                 "EQUALITY booleanMatch "
 295                 "SYNTAX OMsBoolean "
 296                 "SINGLE-VALUE )", &ad_reqAttrsOnly },
 297         { "( " LOG_SCHEMA_AT ".24 NAME 'reqFilter' "
 298                 "DESC 'Filter of request' "
 299                 "EQUALITY caseIgnoreMatch "
 300                 "SUBSTR caseIgnoreSubstringsMatch "
 301                 "SYNTAX OMsDirectoryString "
 302                 "SINGLE-VALUE )", &ad_reqFilter },
 303         { "( " LOG_SCHEMA_AT ".25 NAME 'reqAttr' "
 304                 "DESC 'Attributes of request' "
 305                 "EQUALITY caseIgnoreMatch "
 306                 "SYNTAX OMsDirectoryString )", &ad_reqAttr },
 307         { "( " LOG_SCHEMA_AT ".26 NAME 'reqSizeLimit' "
 308                 "DESC 'Size limit of request' "
 309                 "EQUALITY integerMatch "
 310                 "ORDERING integerOrderingMatch "
 311                 "SYNTAX OMsInteger "
 312                 "SINGLE-VALUE )", &ad_reqSizeLimit },
 313         { "( " LOG_SCHEMA_AT ".27 NAME 'reqTimeLimit' "
 314                 "DESC 'Time limit of request' "
 315                 "EQUALITY integerMatch "
 316                 "ORDERING integerOrderingMatch "
 317                 "SYNTAX OMsInteger "
 318                 "SINGLE-VALUE )", &ad_reqTimeLimit },
 319         { "( " LOG_SCHEMA_AT ".28 NAME 'reqEntries' "
 320                 "DESC 'Number of entries returned' "
 321                 "EQUALITY integerMatch "
 322                 "ORDERING integerOrderingMatch "
 323                 "SYNTAX OMsInteger "
 324                 "SINGLE-VALUE )", &ad_reqEntries },
 325         { "( " LOG_SCHEMA_AT ".29 NAME 'reqData' "
 326                 "DESC 'Data of extended request' "
 327                 "EQUALITY octetStringMatch "
 328                 "SUBSTR octetStringSubstringsMatch "
 329                 "SYNTAX OMsOctetString "
 330                 "SINGLE-VALUE )", &ad_reqData },
 331         { NULL, NULL }
 332 };
 333
 334 static struct {
 335         char *ot;
 336         ObjectClass **oc;
 337 } locs[] = {
 338         { "( " LOG_SCHEMA_OC ".0 NAME 'auditContainer' "
 339                 "DESC 'AuditLog container' "
 340                 "SUP top STRUCTURAL "
 341                 "MAY ( cn $ reqStart $ reqEnd ) )", &log_container },
 342         { "( " LOG_SCHEMA_OC ".1 NAME 'auditObject' "
 343                 "DESC 'OpenLDAP request auditing' "
 344                 "SUP top STRUCTURAL "
 345                 "MUST ( reqStart $ reqType $ reqSession ) "
 346                 "MAY ( reqDN $ reqAuthzID $ reqControls $ reqRespControls $ reqEnd $ "
 347                         "reqResult $ reqMessage $ reqReferral ) )",
 348                                 &log_ocs[LOG_EN_UNBIND] },
 349         { "( " LOG_SCHEMA_OC ".2 NAME 'auditReadObject' "
 350                 "DESC 'OpenLDAP read request record' "
 351                 "SUP auditObject STRUCTURAL )", NULL },
 352         { "( " LOG_SCHEMA_OC ".3 NAME 'auditWriteObject' "
 353                 "DESC 'OpenLDAP write request record' "
 354                 "SUP auditObject STRUCTURAL )", NULL },
 355         { "( " LOG_SCHEMA_OC ".4 NAME 'auditAbandon' "
 356                 "DESC 'Abandon operation' "
 357                 "SUP auditObject STRUCTURAL "
 358                 "MUST reqId )", &log_ocs[LOG_EN_ABANDON] },
 359         { "( " LOG_SCHEMA_OC ".5 NAME 'auditAdd' "
 360                 "DESC 'Add operation' "
 361                 "SUP auditWriteObject STRUCTURAL "
 362                 "MUST reqMod )", &log_ocs[LOG_EN_ADD] },
 363         { "( " LOG_SCHEMA_OC ".6 NAME 'auditBind' "
 364                 "DESC 'Bind operation' "
 365                 "SUP auditObject STRUCTURAL "
 366                 "MUST ( reqVersion $ reqMethod ) )", &log_ocs[LOG_EN_BIND] },
 367         { "( " LOG_SCHEMA_OC ".7 NAME 'auditCompare' "
 368                 "DESC 'Compare operation' "
 369                 "SUP auditReadObject STRUCTURAL "
 370                 "MUST reqAssertion )", &log_ocs[LOG_EN_COMPARE] },
 371         { "( " LOG_SCHEMA_OC ".8 NAME 'auditDelete' "
 372                 "DESC 'Delete operation' "
 373                 "SUP auditWriteObject STRUCTURAL "
 374                 "MAY reqOld )", &log_ocs[LOG_EN_DELETE] },
 375         { "( " LOG_SCHEMA_OC ".9 NAME 'auditModify' "
 376                 "DESC 'Modify operation' "
 377                 "SUP auditWriteObject STRUCTURAL "
 378                 "MAY reqOld MUST reqMod )", &log_ocs[LOG_EN_MODIFY] },
 379         { "( " LOG_SCHEMA_OC ".10 NAME 'auditModRDN' "
 380                 "DESC 'ModRDN operation' "
 381                 "SUP auditWriteObject STRUCTURAL "
 382                 "MUST ( reqNewRDN $ reqDeleteOldRDN ) "
 383                 "MAY reqNewSuperior )", &log_ocs[LOG_EN_MODRDN] },
 384         { "( " LOG_SCHEMA_OC ".11 NAME 'auditSearch' "
 385                 "DESC 'Search operation' "
 386                 "SUP auditReadObject STRUCTURAL "
 387                 "MUST ( reqScope $ reqDerefAliases $ reqAttrsonly ) "
 388                 "MAY ( reqFilter $ reqAttr $ reqEntries $ reqSizeLimit $ "
 389                         "reqTimeLimit ) )", &log_ocs[LOG_EN_SEARCH] },
 390         { "( " LOG_SCHEMA_OC ".12 NAME 'auditExtended' "
 391                 "DESC 'Extended operation' "
 392                 "SUP auditObject STRUCTURAL "
 393                 "MAY reqData )", &log_ocs[LOG_EN_EXTENDED] },
 394         { NULL, NULL }
 395 };
 396
 397 #define RDNEQ   "reqStart="
 398
 399 /* Our time intervals are of the form [ddd+]hh:mm[:ss]
 400  * If a field is present, it must be two digits. (Except for
 401  * days, which can be arbitrary width.)
 402  */
 403 static int
 404 log_age_parse(char *agestr)
 405 {
 406         int t1, t2;
 407         int gotdays = 0;
 408         char *endptr;
 409
 410         t1 = strtol( agestr, &endptr, 10 );
 411         /* Is there a days delimiter? */
 412         if ( *endptr == '+' ) {
 413                 /* 32 bit time only covers about 68 years */
 414                 if ( t1 < 0 || t1 > 25000 )
 415                         return -1;
 416                 t1 *= 24;
 417                 gotdays = 1;
 418                 agestr = endptr + 1;
 419         } else {
 420                 if ( agestr[2] != ':' ) {
 421                         /* No valid delimiter found, fail */
 422                         return -1;
 423                 }
 424                 t1 *= 60;
 425                 agestr += 3;
 426         }
 427
 428         t2 = atoi( agestr );
 429         t1 += t2;
 430
 431         if ( agestr[2] ) {
 432                 /* if there's a delimiter, it can only be a colon */
 433                 if ( agestr[2] != ':' )
 434                         return -1;
 435         } else {
 436                 /* If we're at the end of the string, and we started with days,
 437                  * fail because we expected to find minutes too.
 438                  */
 439                 return gotdays ? -1 : t1 * 60;
 440         }
 441
 442         agestr += 3;
 443         t2 = atoi( agestr );
 444
 445         /* last field can only be seconds */
 446         if ( agestr[2] && ( agestr[2] != ':' || !gotdays ))
 447                 return -1;
 448         t1 *= 60;
 449         t1 += t2;
 450
 451         if ( agestr[2] ) {
 452                 agestr += 3;
 453                 if ( agestr[2] )
 454                         return -1;
 455                 t1 *= 60;
 456                 t1 += atoi( agestr );
 457         } else if ( gotdays ) {
 458                 /* only got days+hh:mm */
 459                 t1 *= 60;
 460         }
 461         return t1;
 462 }
 463
 464 static void
 465 log_age_unparse( int age, struct berval *agebv )
 466 {
 467         int dd, hh, mm, ss;
 468         char *ptr;
 469
 470         ss = age % 60;
 471         age /= 60;
 472         mm = age % 60;
 473         age /= 60;
 474         hh = age % 24;
 475         age /= 24;
 476         dd = age;
 477
 478         ptr = agebv->bv_val;
 479
 480         if ( dd )
 481                 ptr += sprintf( ptr, "%d+", dd );
 482         ptr += sprintf( ptr, "%02d:%02d", hh, mm );
 483         if ( ss )
 484                 ptr += sprintf( ptr, ":%02d", ss );
 485
 486         agebv->bv_len = ptr - agebv->bv_val;
 487 }
 488
 489 static slap_callback nullsc = { NULL, NULL, NULL, NULL };
 490
 491 #define PURGE_INCREMENT 100
 492
 493 typedef struct purge_data {
 494         int slots;
 495         int used;
 496         BerVarray dn;
 497         BerVarray ndn;
 498 } purge_data;
 499
 500 static int
 501 log_old_lookup( Operation *op, SlapReply *rs )
 502 {
 503         purge_data *pd = op->o_callback->sc_private;
 504
 505         if ( rs->sr_type != REP_SEARCH) return 0;
 506
 507         if ( pd->used >= pd->slots ) {
 508                 pd->slots += PURGE_INCREMENT;
 509                 pd->dn = ch_realloc( pd->dn, pd->slots * sizeof( struct berval ));
 510                 pd->ndn = ch_realloc( pd->ndn, pd->slots * sizeof( struct berval ));
 511         }
 512         ber_dupbv( &pd->dn[pd->used], &rs->sr_entry->e_name );
 513         ber_dupbv( &pd->ndn[pd->used], &rs->sr_entry->e_nname );
 514         pd->used++;
 515         return 0;
 516 }
 517
 518 /* Periodically search for old entries in the log database and delete them */
 519 static void *
 520 accesslog_purge( void *ctx, void *arg )
 521 {
 522         struct re_s *rtask = arg;
 523         struct log_info *li = rtask->arg;
 524
 525         Connection conn = {0};
 526         OperationBuffer opbuf;
 527         Operation *op = (Operation *) &opbuf;
 528         SlapReply rs = {REP_RESULT};
 529         slap_callback cb = { NULL, log_old_lookup, NULL, NULL };
 530         Filter f;
 531         AttributeAssertion ava = {0};
 532         purge_data pd = {0};
 533         char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE];
 534         time_t old = slap_get_time();
 535
 536         connection_fake_init( &conn, op, ctx );
 537
 538         f.f_choice = LDAP_FILTER_LE;
 539         f.f_ava = &ava;
 540         f.f_next = NULL;
 541
 542         ava.aa_desc = ad_reqStart;
 543         ava.aa_value.bv_val = timebuf;
 544         ava.aa_value.bv_len = sizeof(timebuf);
 545
 546         old -= li->li_age;
 547         slap_timestamp( &old, &ava.aa_value );
 548
 549         op->o_tag = LDAP_REQ_SEARCH;
 550         op->o_bd = li->li_db;
 551         op->o_dn = li->li_db->be_rootdn;
 552         op->o_ndn = li->li_db->be_rootndn;
 553         op->o_req_dn = li->li_db->be_suffix[0];
 554         op->o_req_ndn = li->li_db->be_nsuffix[0];
 555         op->o_callback = &cb;
 556         op->ors_scope = LDAP_SCOPE_ONELEVEL;
 557         op->ors_deref = LDAP_DEREF_NEVER;
 558         op->ors_tlimit = SLAP_NO_LIMIT;
 559         op->ors_slimit = SLAP_NO_LIMIT;
 560         op->ors_filter = &f;
 561         filter2bv_x( op, &f, &op->ors_filterstr );
 562         op->ors_attrs = slap_anlist_no_attrs;
 563         op->ors_attrsonly = 1;
 564
 565         cb.sc_private = &pd;
 566
 567         op->o_bd->be_search( op, &rs );
 568         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
 569
 570         if ( pd.used ) {
 571                 int i;
 572
 573                 op->o_tag = LDAP_REQ_DELETE;
 574                 op->o_callback = &nullsc;
 575
 576                 for (i=0; i<pd.used; i++) {
 577                         op->o_req_dn = pd.dn[i];
 578                         op->o_req_ndn = pd.ndn[i];
 579                         op->o_bd->be_delete( op, &rs );
 580                         ch_free( pd.ndn[i].bv_val );
 581                         ch_free( pd.dn[i].bv_val );
 582                 }
 583                 ch_free( pd.ndn );
 584                 ch_free( pd.dn );
 585         }
 586
 587         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 588         ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
 589         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 590
 591         return NULL;
 592 }
 593
 594 static int
 595 log_cf_gen(ConfigArgs *c)
 596 {
 597         slap_overinst *on = (slap_overinst *)c->bi;
 598         struct log_info *li = on->on_bi.bi_private;
 599         int rc = 0;
 600         slap_mask_t tmask = 0;
 601         char agebuf[2*STRLENOF("ddddd+hh:mm:ss  ")];
 602         struct berval agebv, cyclebv;
 603
 604         switch( c->op ) {
 605         case SLAP_CONFIG_EMIT:
 606                 switch( c->type ) {
 607                 case LOG_DB:
 608                         value_add( &c->rvalue_vals, li->li_db->be_suffix );
 609                         value_add( &c->rvalue_nvals, li->li_db->be_nsuffix );
 610                         break;
 611                 case LOG_OPS:
 612                         rc = mask_to_verbs( logops, li->li_ops, &c->rvalue_vals );
 613                         break;
 614                 case LOG_PURGE:
 615                         agebv.bv_val = agebuf;
 616                         log_age_unparse( li->li_age, &agebv );
 617                         agebv.bv_val[agebv.bv_len] = ' ';
 618                         agebv.bv_len++;
 619                         cyclebv.bv_val = agebv.bv_val + agebv.bv_len;
 620                         log_age_unparse( li->li_cycle, &cyclebv );
 621                         agebv.bv_len += cyclebv.bv_len;
 622                         value_add_one( &c->rvalue_vals, &agebv );
 623                         break;
 624                 case LOG_SUCCESS:
 625                         if ( li->li_success )
 626                                 c->value_int = li->li_success;
 627                         else
 628                                 rc = 1;
 629                         break;
 630                 case LOG_OLD:
 631                         if ( li->li_oldf ) {
 632                                 filter2bv( li->li_oldf, &agebv );
 633                                 value_add_one( &c->rvalue_vals, &agebv );
 634                         }
 635                         else
 636                                 rc = 1;
 637                         break;
 638                 case LOG_OLDATTR:
 639                         if ( li->li_oldattrs ) {
 640                                 log_attr *la;
 641
 642                                 for ( la = li->li_oldattrs; la; la=la->next )
 643                                         value_add_one( &c->rvalue_vals, &la->attr->ad_cname );
 644                         }
 645                         else
 646                                 rc = 1;
 647                         break;
 648                 }
 649                 break;
 650         case LDAP_MOD_DELETE:
 651                 switch( c->type ) {
 652                 case LOG_DB:
 653                         /* noop. this should always be a valid backend. */
 654                         break;
 655                 case LOG_OPS:
 656                         if ( c->valx < 0 ) {
 657                                 li->li_ops = 0;
 658                         } else {
 659                                 rc = verbs_to_mask( 1, &c->line, logops, &tmask );
 660                                 if ( rc == 0 )
 661                                         li->li_ops &= ~tmask;
 662                         }
 663                         break;
 664                 case LOG_PURGE:
 665                         if ( li->li_task ) {
 666                                 struct re_s *re = li->li_task;
 667                                 li->li_task = NULL;
 668                                 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
 669                                         ldap_pvt_runqueue_stoptask( &slapd_rq, re );
 670                                 ldap_pvt_runqueue_remove( &slapd_rq, re );
 671                         }
 672                         li->li_age = 0;
 673                         li->li_cycle = 0;
 674                         break;
 675                 case LOG_SUCCESS:
 676                         li->li_success = 0;
 677                         break;
 678                 case LOG_OLD:
 679                         if ( li->li_oldf ) {
 680                                 filter_free( li->li_oldf );
 681                                 li->li_oldf = NULL;
 682                         }
 683                         break;
 684                 case LOG_OLDATTR:
 685                         if ( c->valx < 0 ) {
 686                                 log_attr *la, *ln;
 687
 688                                 for ( la = li->li_oldattrs; la; la = ln ) {
 689                                         ln = la->next;
 690                                         ch_free( la );
 691                                 }
 692                         } else {
 693                                 log_attr *la, **lp;
 694                                 int i;
 695
 696                                 for ( lp = &li->li_oldattrs, i=0; i < c->valx; i++ ) {
 697                                         la = *lp;
 698                                         lp = &la->next;
 699                                 }
 700                                 *lp = la->next;
 701                                 ch_free( la );
 702                         }
 703                         break;
 704                 }
 705                 break;
 706         default:
 707                 switch( c->type ) {
 708                 case LOG_DB:
 709                         li->li_db = select_backend( &c->value_ndn, 0, 0 );
 710                         if ( !li->li_db ) {
 711                                 sprintf( c->msg, "<%s> no matching backend found for suffix",
 712                                         c->argv[0] );
 713                                 Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
 714                                         c->log, c->msg, c->value_dn.bv_val );
 715                                 rc = 1;
 716                         }
 717                         ch_free( c->value_dn.bv_val );
 718                         ch_free( c->value_ndn.bv_val );
 719                         break;
 720                 case LOG_OPS:
 721                         rc = verbs_to_mask( c->argc, c->argv, logops, &tmask );
 722                         if ( rc == 0 )
 723                                 li->li_ops |= tmask;
 724                         break;
 725                 case LOG_PURGE:
 726                         li->li_age = log_age_parse( c->argv[1] );
 727                         if ( li->li_age == -1 ) {
 728                                 rc = 1;
 729                         } else {
 730                                 li->li_cycle = log_age_parse( c->argv[2] );
 731                                 if ( li->li_cycle == -1 ) {
 732                                         rc = 1;
 733                                 } else if ( slapMode & SLAP_SERVER_MODE ) {
 734                                         struct re_s *re = li->li_task;
 735                                         if ( re )
 736                                                 re->interval.tv_sec = li->li_cycle;
 737                                         else
 738                                                 li->li_task = ldap_pvt_runqueue_insert( &slapd_rq,
 739                                                         li->li_cycle, accesslog_purge, li,
 740                                                         "accesslog_purge", li->li_db ?
 741                                                                 li->li_db->be_suffix[0].bv_val :
 742                                                                 c->be->be_suffix[0].bv_val );
 743                                 }
 744                         }
 745                         break;
 746                 case LOG_SUCCESS:
 747                         li->li_success = c->value_int;
 748                         break;
 749                 case LOG_OLD:
 750                         li->li_oldf = str2filter( c->argv[1] );
 751                         if ( !li->li_oldf ) {
 752                                 sprintf( c->msg, "bad filter!" );
 753                                 rc = 1;
 754                         }
 755                         break;
 756                 case LOG_OLDATTR: {
 757                         int i;
 758                         AttributeDescription *ad;
 759                         const char *text;
 760
 761                         for ( i=1; i< c->argc; i++ ) {
 762                                 ad = NULL;
 763                                 if ( slap_str2ad( c->argv[i], &ad, &text ) == LDAP_SUCCESS ) {
 764                                         log_attr *la = ch_malloc( sizeof( log_attr ));
 765                                         la->attr = ad;
 766                                         la->next = li->li_oldattrs;
 767                                         li->li_oldattrs = la;
 768                                 } else {
 769                                         sprintf( c->msg, "%s: %s", c->argv[i], text );
 770                                         rc = ARG_BAD_CONF;
 771                                         break;
 772                                 }
 773                         }
 774                         }
 775                         break;
 776                 }
 777                 break;
 778         }
 779         return rc;
 780 }
 781
 782 static Entry *accesslog_entry( Operation *op, int logop,
 783         Operation *op2 ) {
 784         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
 785         log_info *li = on->on_bi.bi_private;
 786
 787         char rdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
 788         char nrdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
 789
 790         struct berval rdn, nrdn, timestamp, ntimestamp, bv;
 791         slap_verbmasks *lo = logops+logop+EN_OFFSET;
 792
 793         Entry *e = ch_calloc( 1, sizeof(Entry) );
 794
 795         strcpy( rdnbuf, RDNEQ );
 796         rdn.bv_val = rdnbuf;
 797         strcpy( nrdnbuf, RDNEQ );
 798         nrdn.bv_val = nrdnbuf;
 799
 800         timestamp.bv_val = rdnbuf+STRLENOF(RDNEQ);
 801         timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
 802         slap_timestamp( &op->o_time, &timestamp );
 803         sprintf( timestamp.bv_val + timestamp.bv_len-1, ".%06dZ", op->o_tincr );
 804         timestamp.bv_len += 7;
 805
 806         rdn.bv_len = STRLENOF(RDNEQ)+timestamp.bv_len;
 807         ad_reqStart->ad_type->sat_equality->smr_normalize(
 808                 SLAP_MR_VALUE_OF_ASSERTION_SYNTAX, ad_reqStart->ad_type->sat_syntax,
 809                 ad_reqStart->ad_type->sat_equality, &timestamp, &ntimestamp,
 810                 op->o_tmpmemctx );
 811
 812         strcpy( nrdn.bv_val + STRLENOF(RDNEQ), ntimestamp.bv_val );
 813         nrdn.bv_len = STRLENOF(RDNEQ)+ntimestamp.bv_len;
 814         build_new_dn( &e->e_name, li->li_db->be_suffix, &rdn, NULL );
 815         build_new_dn( &e->e_nname, li->li_db->be_nsuffix, &nrdn, NULL );
 816
 817         attr_merge_one( e, slap_schema.si_ad_objectClass,
 818                 &log_ocs[logop]->soc_cname, NULL );
 819         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
 820                 &log_ocs[logop]->soc_cname, NULL );
 821         attr_merge_one( e, ad_reqStart, &timestamp, &ntimestamp );
 822         op->o_tmpfree( ntimestamp.bv_val, op->o_tmpmemctx );
 823
 824         slap_op_time( &op2->o_time, &op2->o_tincr );
 825
 826         timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
 827         slap_timestamp( &op2->o_time, &timestamp );
 828         sprintf( timestamp.bv_val + timestamp.bv_len-1, ".%06dZ", op2->o_tincr );
 829         timestamp.bv_len += 7;
 830
 831         attr_merge_normalize_one( e, ad_reqEnd, &timestamp, op->o_tmpmemctx );
 832
 833         /* Exops have OID appended */
 834         if ( logop == LOG_EN_EXTENDED ) {
 835                 bv.bv_len = lo->word.bv_len + op->ore_reqoid.bv_len + 2;
 836                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 837                 AC_MEMCPY( bv.bv_val, lo->word.bv_val, lo->word.bv_len );
 838                 bv.bv_val[lo->word.bv_len] = '{';
 839                 AC_MEMCPY( bv.bv_val+lo->word.bv_len+1, op->ore_reqoid.bv_val,
 840                         op->ore_reqoid.bv_len );
 841                 bv.bv_val[bv.bv_len-1] = '}';
 842                 bv.bv_val[bv.bv_len] = '\0';
 843                 attr_merge_one( e, ad_reqType, &bv, NULL );
 844         } else {
 845                 attr_merge_one( e, ad_reqType, &lo->word, NULL );
 846         }
 847
 848         rdn.bv_len = sprintf( rdn.bv_val, "%lu", op->o_connid );
 849         attr_merge_one( e, ad_reqSession, &rdn, NULL );
 850
 851         if ( BER_BVISNULL( &op->o_dn ))
 852                 attr_merge_one( e, ad_reqAuthzID, (struct berval *)&slap_empty_bv,
 853                         (struct berval *)&slap_empty_bv );
 854         else
 855                 attr_merge_one( e, ad_reqAuthzID, &op->o_dn, &op->o_ndn );
 856
 857         /* FIXME: need to add reqControls and reqRespControls */
 858
 859         return e;
 860 }
 861
 862 static struct berval scopes[] = {
 863         BER_BVC("base"),
 864         BER_BVC("one"),
 865         BER_BVC("sub"),
 866         BER_BVC("subord")
 867 };
 868
 869 static struct berval derefs[] = {
 870         BER_BVC("never"),
 871         BER_BVC("searching"),
 872         BER_BVC("finding"),
 873         BER_BVC("always")
 874 };
 875
 876 static struct berval simple = BER_BVC("SIMPLE");
 877
 878 static void accesslog_val2val(AttributeDescription *ad, struct berval *val,
 879         char c_op, struct berval *dst) {
 880         char *ptr;
 881
 882         dst->bv_len = ad->ad_cname.bv_len + val->bv_len + 2;
 883         if ( c_op ) dst->bv_len++;
 884
 885         dst->bv_val = ch_malloc( dst->bv_len+1 );
 886
 887         ptr = lutil_strcopy( dst->bv_val, ad->ad_cname.bv_val );
 888         *ptr++ = ':';
 889         if ( c_op )
 890                 *ptr++ = c_op;
 891         *ptr++ = ' ';
 892         AC_MEMCPY( ptr, val->bv_val, val->bv_len );
 893         dst->bv_val[dst->bv_len] = '\0';
 894 }
 895
 896 static int accesslog_response(Operation *op, SlapReply *rs) {
 897         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
 898         log_info *li = on->on_bi.bi_private;
 899         Attribute *a, *last_attr;
 900         Modifications *m;
 901         struct berval *b;
 902         int i;
 903         int logop;
 904         slap_verbmasks *lo;
 905         Entry *e = NULL, *old = NULL;
 906         char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE+8];
 907         struct berval bv;
 908         char *ptr;
 909         BerVarray vals;
 910         Operation op2 = {0};
 911         SlapReply rs2 = {REP_RESULT};
 912
 913         if ( rs->sr_type != REP_RESULT && rs->sr_type != REP_EXTENDED )
 914                 return SLAP_CB_CONTINUE;
 915
 916         switch ( op->o_tag ) {
 917         case LDAP_REQ_ADD:              logop = LOG_EN_ADD; break;
 918         case LDAP_REQ_DELETE:   logop = LOG_EN_DELETE; break;
 919         case LDAP_REQ_MODIFY:   logop = LOG_EN_MODIFY; break;
 920         case LDAP_REQ_MODRDN:   logop = LOG_EN_MODRDN; break;
 921         case LDAP_REQ_COMPARE:  logop = LOG_EN_COMPARE; break;
 922         case LDAP_REQ_SEARCH:   logop = LOG_EN_SEARCH; break;
 923         case LDAP_REQ_BIND:             logop = LOG_EN_BIND; break;
 924         case LDAP_REQ_EXTENDED: logop = LOG_EN_EXTENDED; break;
 925         default:        /* unknown operation type */
 926                 logop = LOG_EN_UNKNOWN; break;
 927         }       /* Unbind and Abandon never reach here */
 928
 929         lo = logops+logop+EN_OFFSET;
 930         if ( !( li->li_ops & lo->mask ))
 931                 return SLAP_CB_CONTINUE;
 932
 933         if ( lo->mask & LOG_OP_WRITES ) {
 934                 ldap_pvt_thread_mutex_lock( &li->li_log_mutex );
 935                 old = li->li_old;
 936                 li->li_old = NULL;
 937                 ldap_pvt_thread_rmutex_unlock( &li->li_op_rmutex );
 938         }
 939
 940         if ( li->li_success && rs->sr_err != LDAP_SUCCESS )
 941                 goto done;
 942
 943         e = accesslog_entry( op, logop, &op2 );
 944
 945         attr_merge_one( e, ad_reqDN, &op->o_req_dn, &op->o_req_ndn );
 946
 947         if ( rs->sr_text ) {
 948                 ber_str2bv( rs->sr_text, 0, 0, &bv );
 949                 attr_merge_one( e, ad_reqMessage, &bv, NULL );
 950         }
 951         bv.bv_len = sprintf( timebuf, "%d", rs->sr_err );
 952         bv.bv_val = timebuf;
 953
 954         attr_merge_one( e, ad_reqResult, &bv, NULL );
 955
 956         last_attr = attr_find( e->e_attrs, ad_reqResult );
 957
 958         switch( logop ) {
 959         case LOG_EN_ADD:
 960         case LOG_EN_DELETE: {
 961                 char c_op;
 962                 Entry *e2;
 963
 964                 if ( logop == LOG_EN_ADD ) {
 965                         e2 = op->ora_e;
 966                         c_op = '+';
 967                 } else {
 968                         if ( !old )
 969                                 break;
 970                         e2 = old;
 971                         c_op = 0;
 972                 }
 973                 /* count all the vals */
 974                 i = 0;
 975                 for ( a=e2->e_attrs; a; a=a->a_next ) {
 976                         if ( a->a_vals ) {
 977                                 for (b=a->a_vals; !BER_BVISNULL( b ); b++) {
 978                                         i++;
 979                                 }
 980                         }
 981                 }
 982                 vals = ch_malloc( (i+1) * sizeof( struct berval ));
 983                 i = 0;
 984                 for ( a=e2->e_attrs; a; a=a->a_next ) {
 985                         if ( a->a_vals ) {
 986                                 for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
 987                                         accesslog_val2val( a->a_desc, b, c_op, &vals[i] );
 988                                 }
 989                         }
 990                 }
 991                 vals[i].bv_val = NULL;
 992                 vals[i].bv_len = 0;
 993                 a = attr_alloc( logop == LOG_EN_ADD ? ad_reqMod : ad_reqOld );
 994                 a->a_vals = vals;
 995                 a->a_nvals = vals;
 996                 last_attr->a_next = a;
 997                 break;
 998         }
 999
1000         case LOG_EN_MODIFY:
1001                 /* count all the mods */
1002                 i = 0;
1003                 for ( m=op->orm_modlist; m; m=m->sml_next ) {
1004                         if ( m->sml_values ) {
1005                                 for (b=m->sml_values; !BER_BVISNULL( b ); b++) {
1006                                         i++;
1007                                 }
1008                         } else if ( m->sml_op == LDAP_MOD_DELETE ) {
1009                                 i++;
1010                         }
1011                 }
1012                 vals = ch_malloc( (i+1) * sizeof( struct berval ));
1013                 i = 0;
1014
1015                 /* init flags on old entry */
1016                 if ( old ) {
1017                         for ( a=old->e_attrs; a; a=a->a_next ) {
1018                                 log_attr *la;
1019                                 a->a_flags = 0;
1020
1021                                 /* look for attrs that are always logged */
1022                                 for ( la=li->li_oldattrs; la; la=la->next )
1023                                         if ( a->a_desc == la->attr )
1024                                                 a->a_flags = 1;
1025                         }
1026                 }
1027
1028                 for ( m=op->orm_modlist; m; m=m->sml_next ) {
1029                         /* Mark this attribute as modified */
1030                         if ( old ) {
1031                                 a = attr_find( old->e_attrs, m->sml_desc );
1032                                 if ( a )
1033                                         a->a_flags = 1;
1034                         }
1035                         if ( m->sml_values ) {
1036                                 for (b=m->sml_values; !BER_BVISNULL( b ); b++,i++) {
1037                                         char c_op;
1038
1039                                         switch( m->sml_op ) {
1040                                         case LDAP_MOD_ADD: c_op = '+'; break;
1041                                         case LDAP_MOD_DELETE:   c_op = '-'; break;
1042                                         case LDAP_MOD_REPLACE:  c_op = '='; break;
1043                                         case LDAP_MOD_INCREMENT:        c_op = '#'; break;
1044
1045                                         /* unknown op. there shouldn't be any of these. we
1046                                          * don't know what to do with it, but we shouldn't just
1047                                          * ignore it.
1048                                          */
1049                                         default: c_op = '?'; break;
1050                                         }
1051                                         accesslog_val2val( m->sml_desc, b, c_op, &vals[i] );
1052                                 }
1053                         } else if ( m->sml_op == LDAP_MOD_DELETE ) {
1054                                 vals[i].bv_len = m->sml_desc->ad_cname.bv_len + 2;
1055                                 vals[i].bv_val = ch_malloc( vals[i].bv_len+1 );
1056                                 ptr = lutil_strcopy( vals[i].bv_val,
1057                                         m->sml_desc->ad_cname.bv_val );
1058                                 *ptr++ = ':';
1059                                 *ptr++ = '-';
1060                                 *ptr = '\0';
1061                                 i++;
1062                         }
1063                 }
1064                 vals[i].bv_val = NULL;
1065                 vals[i].bv_len = 0;
1066                 a = attr_alloc( ad_reqMod );
1067                 a->a_vals = vals;
1068                 a->a_nvals = vals;
1069                 last_attr->a_next = a;
1070
1071                 if ( old ) {
1072                         last_attr = a;
1073                         /* count all the vals */
1074                         i = 0;
1075                         for ( a=old->e_attrs; a; a=a->a_next ) {
1076                                 if ( a->a_vals && a->a_flags ) {
1077                                         for (b=a->a_vals; !BER_BVISNULL( b ); b++) {
1078                                         i++;
1079                                         }
1080                                 }
1081                         }
1082                         vals = ch_malloc( (i+1) * sizeof( struct berval ));
1083                         i = 0;
1084                         for ( a=old->e_attrs; a; a=a->a_next ) {
1085                                 if ( a->a_vals && a->a_flags ) {
1086                                         for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1087                                                 accesslog_val2val( a->a_desc, b, 0, &vals[i] );
1088                                         }
1089                                 }
1090                         }
1091                         vals[i].bv_val = NULL;
1092                         vals[i].bv_len = 0;
1093                         a = attr_alloc( ad_reqOld );
1094                         a->a_vals = vals;
1095                         a->a_nvals = vals;
1096                         last_attr->a_next = a;
1097                 }
1098                 break;
1099
1100         case LOG_EN_MODRDN:
1101                 attr_merge_one( e, ad_reqNewRDN, &op->orr_newrdn, &op->orr_nnewrdn );
1102                 attr_merge_one( e, ad_reqDeleteOldRDN, op->orr_deleteoldrdn ?
1103                         (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1104                         NULL );
1105                 if ( op->orr_newSup ) {
1106                         attr_merge_one( e, ad_reqNewSuperior, op->orr_newSup, op->orr_nnewSup );
1107                 }
1108                 break;
1109
1110         case LOG_EN_COMPARE:
1111                 bv.bv_len = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
1112                         op->orc_ava->aa_value.bv_len;
1113                 bv.bv_val = op->o_tmpalloc( bv.bv_len+1, op->o_tmpmemctx );
1114                 ptr = lutil_strcopy( bv.bv_val, op->orc_ava->aa_desc->ad_cname.bv_val );
1115                 *ptr++ = '=';
1116                 AC_MEMCPY( ptr, op->orc_ava->aa_value.bv_val, op->orc_ava->aa_value.bv_len );
1117                 bv.bv_val[bv.bv_len] = '\0';
1118                 attr_merge_one( e, ad_reqAssertion, &bv, NULL );
1119                 op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1120                 break;
1121
1122         case LOG_EN_SEARCH:
1123                 attr_merge_one( e, ad_reqScope, &scopes[op->ors_scope], NULL );
1124                 attr_merge_one( e, ad_reqDerefAliases, &derefs[op->ors_deref], NULL );
1125                 attr_merge_one( e, ad_reqAttrsOnly, op->ors_attrsonly ?
1126                         (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1127                         NULL );
1128                 if ( !BER_BVISEMPTY( &op->ors_filterstr ))
1129                         attr_merge_one( e, ad_reqFilter, &op->ors_filterstr, NULL );
1130                 if ( op->ors_attrs ) {
1131                         /* count them */
1132                         for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1133                                 ;
1134                         vals = op->o_tmpalloc( (i+1) * sizeof(struct berval),
1135                                 op->o_tmpmemctx );
1136                         for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1137                                 vals[i] = op->ors_attrs[i].an_name;
1138                         vals[i].bv_val = NULL;
1139                         vals[i].bv_len = 0;
1140                         attr_merge( e, ad_reqAttr, vals, NULL );
1141                         op->o_tmpfree( vals, op->o_tmpmemctx );
1142                 }
1143                 bv.bv_val = timebuf;
1144                 bv.bv_len = sprintf( bv.bv_val, "%d", rs->sr_nentries );
1145                 attr_merge_one( e, ad_reqEntries, &bv, NULL );
1146
1147                 bv.bv_len = sprintf( bv.bv_val, "%d", op->ors_tlimit );
1148                 attr_merge_one( e, ad_reqTimeLimit, &bv, NULL );
1149
1150                 bv.bv_len = sprintf( bv.bv_val, "%d", op->ors_slimit );
1151                 attr_merge_one( e, ad_reqSizeLimit, &bv, NULL );
1152                 break;
1153
1154         case LOG_EN_BIND:
1155                 bv.bv_val = timebuf;
1156                 bv.bv_len = sprintf( bv.bv_val, "%d", op->o_protocol );
1157                 attr_merge_one( e, ad_reqVersion, &bv, NULL );
1158                 if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
1159                         attr_merge_one( e, ad_reqMethod, &simple, NULL );
1160                 } else {
1161                         bv.bv_len = STRLENOF("SASL()") + op->orb_tmp_mech.bv_len;
1162                         bv.bv_val = op->o_tmpalloc( bv.bv_len + 1, op->o_tmpmemctx );
1163                         ptr = lutil_strcopy( bv.bv_val, "SASL(" );
1164                         ptr = lutil_strcopy( ptr, op->orb_tmp_mech.bv_val );
1165                         *ptr++ = ')';
1166                         *ptr = '\0';
1167                         attr_merge_one( e, ad_reqMethod, &bv, NULL );
1168                         op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1169                 }
1170
1171                 break;
1172
1173         case LOG_EN_EXTENDED:
1174                 if ( op->ore_reqdata ) {
1175                         attr_merge_one( e, ad_reqData, op->ore_reqdata, NULL );
1176                 }
1177                 break;
1178
1179         case LOG_EN_UNKNOWN:
1180                 /* we don't know its parameters, don't add any */
1181                 break;
1182         }
1183
1184         op2.o_hdr = op->o_hdr;
1185         op2.o_tag = LDAP_REQ_ADD;
1186         op2.o_bd = li->li_db;
1187         op2.o_dn = li->li_db->be_rootdn;
1188         op2.o_ndn = li->li_db->be_rootndn;
1189         op2.o_req_dn = e->e_name;
1190         op2.o_req_ndn = e->e_nname;
1191         op2.ora_e = e;
1192         op2.o_callback = &nullsc;
1193
1194         if (( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn )) {
1195                 slap_queue_csn( &op2, &op->o_csn );
1196         }
1197
1198         op2.o_bd->be_add( &op2, &rs2 );
1199
1200 done:
1201         if ( lo->mask & LOG_OP_WRITES )
1202                 ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );
1203         if ( e ) entry_free( e );
1204         if ( old ) entry_free( old );
1205         return SLAP_CB_CONTINUE;
1206 }
1207
1208 /* Since Bind success is sent by the frontend, it won't normally enter
1209  * the overlay response callback. Add another callback to make sure it
1210  * gets here.
1211  */
1212 static int
1213 accesslog_bind_resp( Operation *op, SlapReply *rs )
1214 {
1215         BackendDB *be, db;
1216         int rc;
1217         slap_callback *sc;
1218
1219         be = op->o_bd;
1220         db = *be;
1221         op->o_bd = &db;
1222         db.bd_info = op->o_callback->sc_private;
1223         rc = accesslog_response( op, rs );
1224         op->o_bd = be;
1225         sc = op->o_callback;
1226         op->o_callback = sc->sc_next;
1227         op->o_tmpfree( sc, op->o_tmpmemctx );
1228         return rc;
1229 }
1230
1231 static int
1232 accesslog_op_bind( Operation *op, SlapReply *rs )
1233 {
1234         slap_callback *sc;
1235
1236         sc = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
1237         sc->sc_response = accesslog_bind_resp;
1238         sc->sc_private = op->o_bd->bd_info;
1239
1240         if ( op->o_callback ) {
1241                 sc->sc_next = op->o_callback->sc_next;
1242                 op->o_callback->sc_next = sc;
1243         } else {
1244                 op->o_callback = sc;
1245         }
1246         return SLAP_CB_CONTINUE;
1247 }
1248
1249 static int
1250 accesslog_op_mod( Operation *op, SlapReply *rs )
1251 {
1252         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1253         log_info *li = on->on_bi.bi_private;
1254
1255         if ( li->li_ops & LOG_OP_WRITES ) {
1256                 ldap_pvt_thread_rmutex_lock( &li->li_op_rmutex );
1257                 if ( li->li_oldf && ( op->o_tag == LDAP_REQ_DELETE ||
1258                         op->o_tag == LDAP_REQ_MODIFY )) {
1259                         int rc;
1260                         Entry *e;
1261
1262                         op->o_bd->bd_info = on->on_info->oi_orig;
1263                         rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1264                         if ( e ) {
1265                                 if ( test_filter( op, e, li->li_oldf ) == LDAP_COMPARE_TRUE )
1266                                         li->li_old = entry_dup( e );
1267                                 be_entry_release_rw( op, e, 0 );
1268                         }
1269                         op->o_bd->bd_info = (BackendInfo *)on;
1270                 }
1271         }
1272         return SLAP_CB_CONTINUE;
1273 }
1274
1275 /* unbinds are broadcast to all backends; we only log it if this
1276  * backend was used for the original bind.
1277  */
1278 static int
1279 accesslog_unbind( Operation *op, SlapReply *rs )
1280 {
1281         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1282         if ( op->o_conn->c_authz_backend == on->on_info->oi_origdb ) {
1283                 log_info *li = on->on_bi.bi_private;
1284                 Operation op2 = {0};
1285                 void *cids[SLAP_MAX_CIDS];
1286                 SlapReply rs2 = {REP_RESULT};
1287                 Entry *e;
1288
1289                 if ( !( li->li_ops & LOG_OP_UNBIND ))
1290                         return SLAP_CB_CONTINUE;
1291
1292                 e = accesslog_entry( op, LOG_EN_UNBIND, &op2 );
1293                 op2.o_hdr = op->o_hdr;
1294                 op2.o_tag = LDAP_REQ_ADD;
1295                 op2.o_bd = li->li_db;
1296                 op2.o_dn = li->li_db->be_rootdn;
1297                 op2.o_ndn = li->li_db->be_rootndn;
1298                 op2.o_req_dn = e->e_name;
1299                 op2.o_req_ndn = e->e_nname;
1300                 op2.ora_e = e;
1301                 op2.o_callback = &nullsc;
1302                 op2.o_controls = cids;
1303                 memset(cids, 0, sizeof( cids ));
1304
1305                 op2.o_bd->be_add( &op2, &rs2 );
1306                 entry_free( e );
1307         }
1308         return SLAP_CB_CONTINUE;
1309 }
1310
1311 static int
1312 accesslog_abandon( Operation *op, SlapReply *rs )
1313 {
1314         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1315         log_info *li = on->on_bi.bi_private;
1316         Operation op2 = {0};
1317         void *cids[SLAP_MAX_CIDS];
1318         SlapReply rs2 = {REP_RESULT};
1319         Entry *e;
1320         char buf[64];
1321         struct berval bv;
1322
1323         if ( !op->o_time || !( li->li_ops & LOG_OP_ABANDON ))
1324                 return SLAP_CB_CONTINUE;
1325
1326         e = accesslog_entry( op, LOG_EN_ABANDON, &op2 );
1327         bv.bv_val = buf;
1328         bv.bv_len = sprintf( buf, "%d", op->orn_msgid );
1329         attr_merge_one( e, ad_reqId, &bv, NULL );
1330
1331         op2.o_hdr = op->o_hdr;
1332         op2.o_tag = LDAP_REQ_ADD;
1333         op2.o_bd = li->li_db;
1334         op2.o_dn = li->li_db->be_rootdn;
1335         op2.o_ndn = li->li_db->be_rootndn;
1336         op2.o_req_dn = e->e_name;
1337         op2.o_req_ndn = e->e_nname;
1338         op2.ora_e = e;
1339         op2.o_callback = &nullsc;
1340         op2.o_controls = cids;
1341         memset(cids, 0, sizeof( cids ));
1342
1343         op2.o_bd->be_add( &op2, &rs2 );
1344         entry_free( e );
1345
1346         return SLAP_CB_CONTINUE;
1347 }
1348
1349 static slap_overinst accesslog;
1350
1351 static int
1352 accesslog_db_init(
1353         BackendDB *be
1354 )
1355 {
1356         slap_overinst *on = (slap_overinst *)be->bd_info;
1357         log_info *li = ch_calloc(1, sizeof(log_info));
1358
1359         on->on_bi.bi_private = li;
1360         ldap_pvt_thread_rmutex_init( &li->li_op_rmutex );
1361         ldap_pvt_thread_mutex_init( &li->li_log_mutex );
1362         return 0;
1363 }
1364
1365 static int
1366 accesslog_db_destroy(
1367         BackendDB *be
1368 )
1369 {
1370         slap_overinst *on = (slap_overinst *)be->bd_info;
1371         log_info *li = on->on_bi.bi_private;
1372
1373         ldap_pvt_thread_mutex_destroy( &li->li_log_mutex );
1374         ldap_pvt_thread_rmutex_destroy( &li->li_op_rmutex );
1375         free( li );
1376         return LDAP_SUCCESS;
1377 }
1378
1379 static int
1380 accesslog_db_open(
1381         BackendDB *be
1382 )
1383 {
1384         slap_overinst *on = (slap_overinst *)be->bd_info;
1385         log_info *li = on->on_bi.bi_private;
1386
1387         Connection conn;
1388         OperationBuffer opbuf;
1389         Operation *op = (Operation *) &opbuf;
1390         Entry *e;
1391         int rc;
1392         void *thrctx;
1393
1394         if ( slapMode & SLAP_TOOL_MODE )
1395                 return 0;
1396
1397         thrctx = ldap_pvt_thread_pool_context();
1398         connection_fake_init( &conn, op, thrctx );
1399         op->o_bd = li->li_db;
1400         op->o_dn = li->li_db->be_rootdn;
1401         op->o_ndn = li->li_db->be_rootndn;
1402
1403         rc = be_entry_get_rw( op, li->li_db->be_nsuffix, NULL, NULL, 0, &e );
1404
1405         if ( e ) {
1406                 be_entry_release_rw( op, e, 0 );
1407         } else {
1408                 SlapReply rs = {REP_RESULT};
1409                 struct berval rdn, nrdn, attr;
1410                 char *ptr;
1411                 AttributeDescription *ad = NULL;
1412                 const char *text = NULL;
1413                 Entry *e_ctx;
1414
1415                 e = ch_calloc( 1, sizeof( Entry ));
1416                 e->e_name = *li->li_db->be_suffix;
1417                 e->e_nname = *li->li_db->be_nsuffix;
1418
1419                 attr_merge_one( e, slap_schema.si_ad_objectClass,
1420                         &log_container->soc_cname, NULL );
1421
1422                 dnRdn( &e->e_name, &rdn );
1423                 dnRdn( &e->e_nname, &nrdn );
1424                 ptr = ber_bvchr( &rdn, '=' );
1425
1426                 assert( ptr != NULL );
1427
1428                 attr.bv_val = rdn.bv_val;
1429                 attr.bv_len = ptr - rdn.bv_val;
1430
1431                 slap_bv2ad( &attr, &ad, &text );
1432
1433                 rdn.bv_val = ptr+1;
1434                 rdn.bv_len -= attr.bv_len + 1;
1435                 ptr = ber_bvchr( &nrdn, '=' );
1436                 nrdn.bv_len -= ptr - nrdn.bv_val + 1;
1437                 nrdn.bv_val = ptr+1;
1438                 attr_merge_one( e, ad, &rdn, &nrdn );
1439
1440                 /* Get contextCSN from main DB */
1441                 op->o_bd = be;
1442                 op->o_bd->bd_info = on->on_info->oi_orig;
1443                 rc = be_entry_get_rw( op, be->be_nsuffix, NULL,
1444                         slap_schema.si_ad_contextCSN, 0, &e_ctx );
1445
1446                 if ( e_ctx ) {
1447                         Attribute *a;
1448
1449                         a = attr_find( e_ctx->e_attrs, slap_schema.si_ad_contextCSN );
1450                         if ( a ) {
1451                                 attr_merge( e, slap_schema.si_ad_entryCSN, a->a_vals, NULL );
1452                                 attr_merge( e, a->a_desc, a->a_vals, NULL );
1453                         }
1454                         be_entry_release_rw( op, e_ctx, 0 );
1455                 }
1456                 op->o_bd->bd_info = (BackendInfo *)on;
1457                 op->o_bd = li->li_db;
1458
1459                 op->ora_e = e;
1460                 op->o_req_dn = e->e_name;
1461                 op->o_req_ndn = e->e_nname;
1462                 op->o_callback = &nullsc;
1463                 SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
1464                 rc = op->o_bd->be_add( op, &rs );
1465                 SLAP_DBFLAGS( op->o_bd ) ^= SLAP_DBFLAG_NOLASTMOD;
1466                 attrs_free( e->e_attrs );
1467                 ch_free( e );
1468         }
1469         ldap_pvt_thread_pool_context_reset( thrctx );
1470         return rc;
1471 }
1472
1473 int accesslog_initialize()
1474 {
1475         int i, rc;
1476
1477         accesslog.on_bi.bi_type = "accesslog";
1478         accesslog.on_bi.bi_db_init = accesslog_db_init;
1479         accesslog.on_bi.bi_db_destroy = accesslog_db_destroy;
1480         accesslog.on_bi.bi_db_open = accesslog_db_open;
1481
1482         accesslog.on_bi.bi_op_add = accesslog_op_mod;
1483         accesslog.on_bi.bi_op_bind = accesslog_op_bind;
1484         accesslog.on_bi.bi_op_delete = accesslog_op_mod;
1485         accesslog.on_bi.bi_op_modify = accesslog_op_mod;
1486         accesslog.on_bi.bi_op_modrdn = accesslog_op_mod;
1487         accesslog.on_bi.bi_op_unbind = accesslog_unbind;
1488         accesslog.on_bi.bi_op_abandon = accesslog_abandon;
1489         accesslog.on_response = accesslog_response;
1490
1491         accesslog.on_bi.bi_cf_ocs = log_cfocs;
1492
1493         nullsc.sc_response = slap_null_cb;
1494
1495         rc = config_register_schema( log_cfats, log_cfocs );
1496         if ( rc ) return rc;
1497
1498         /* log schema integration */
1499         for ( i=0; lattrs[i].at; i++ ) {
1500                 LDAPAttributeType *lat;
1501                 AttributeType *at;
1502                 int code;
1503                 const char *err;
1504
1505                 lat = ldap_str2attributetype( lattrs[i].at, &code, &err,
1506                         LDAP_SCHEMA_ALLOW_ALL );
1507                 if ( !lat ) {
1508                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1509                                 "ldap_str2attributetype failed on %d: %s, %s\n",
1510                                 i, ldap_scherr2str(code), err );
1511                         return -1;
1512                 }
1513                 code = at_add( lat, 0, &at, &err );
1514                 ldap_memfree( lat );
1515                 if ( code ) {
1516                         Debug( LDAP_DEBUG_ANY, "log_back_initialize: "
1517                                 "at_add failed on %d: %s\n",
1518                                 i, scherr2str(code), 0 );
1519                         return -1;
1520                 }
1521                 if ( slap_bv2ad( &at->sat_cname, lattrs[i].ad, &err )) {
1522                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1523                                 "slap_bv2ad failed on %d: %s\n",
1524                                 i, err, 0 );
1525                         return -1;
1526                 }
1527         }
1528         for ( i=0; locs[i].ot; i++ ) {
1529                 LDAPObjectClass *loc;
1530                 ObjectClass *oc;
1531                 int code;
1532                 const char *err;
1533
1534                 loc = ldap_str2objectclass( locs[i].ot, &code, &err,
1535                         LDAP_SCHEMA_ALLOW_ALL );
1536                 if ( !loc ) {
1537                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1538                                 "ldap_str2objectclass failed on %d: %s, %s\n",
1539                                 i, ldap_scherr2str(code), err );
1540                         return -1;
1541                 }
1542
1543                 code = oc_add( loc, 0, &oc, &err );
1544                 ldap_memfree( loc );
1545                 if ( code ) {
1546                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1547                                 "oc_add failed on %d: %s\n",
1548                                 i, scherr2str(code), 0 );
1549                         return -1;
1550                 }
1551                 if ( locs[i].oc )
1552                         *locs[i].oc = oc;
1553         }
1554
1555         return overlay_register(&accesslog);
1556 }
1557
1558 #if SLAPD_OVER_ACCESSLOG == SLAPD_MOD_DYNAMIC
1559 int
1560 init_module( int argc, char *argv[] )
1561 {
1562         return accesslog_initialize();
1563 }
1564 #endif
1565
1566 #endif /* SLAPD_OVER_ACCESSLOG */