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