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