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