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 2005-2008 The OpenLDAP Foundation.
   6  * Portions copyright 2004-2005 Symas Corporation.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Howard Chu for inclusion in
  19  * OpenLDAP Software.
  20  */
  21
  22 #include "portable.h"
  23
  24 #ifdef SLAPD_OVER_ACCESSLOG
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/ctype.h>
  30
  31 #include "slap.h"
  32 #include "config.h"
  33 #include "lutil.h"
  34 #include "ldap_rq.h"
  35
  36 #define LOG_OP_ADD      0x001
  37 #define LOG_OP_DELETE   0x002
  38 #define LOG_OP_MODIFY   0x004
  39 #define LOG_OP_MODRDN   0x008
  40 #define LOG_OP_COMPARE  0x010
  41 #define LOG_OP_SEARCH   0x020
  42 #define LOG_OP_BIND     0x040
  43 #define LOG_OP_UNBIND   0x080
  44 #define LOG_OP_ABANDON  0x100
  45 #define LOG_OP_EXTENDED 0x200
  46 #define LOG_OP_UNKNOWN  0x400
  47
  48 #define LOG_OP_WRITES   (LOG_OP_ADD|LOG_OP_DELETE|LOG_OP_MODIFY|LOG_OP_MODRDN)
  49 #define LOG_OP_READS    (LOG_OP_COMPARE|LOG_OP_SEARCH)
  50 #define LOG_OP_SESSION  (LOG_OP_BIND|LOG_OP_UNBIND|LOG_OP_ABANDON)
  51 #define LOG_OP_ALL              (LOG_OP_READS|LOG_OP_WRITES|LOG_OP_SESSION| \
  52         LOG_OP_EXTENDED|LOG_OP_UNKNOWN)
  53
  54 typedef struct log_info {
  55         BackendDB *li_db;
  56         slap_mask_t li_ops;
  57         int li_age;
  58         int li_cycle;
  59         struct re_s *li_task;
  60         Filter *li_oldf;
  61         Entry *li_old;
  62         int li_success;
  63         ldap_pvt_thread_mutex_t li_op_mutex;
  64         ldap_pvt_thread_mutex_t li_log_mutex;
  65 } log_info;
  66
  67 static ConfigDriver log_cf_gen;
  68
  69 enum {
  70         LOG_DB = 1,
  71         LOG_OPS,
  72         LOG_PURGE,
  73         LOG_SUCCESS,
  74         LOG_OLD
  75 };
  76
  77 static ConfigTable log_cfats[] = {
  78         { "logdb", "suffix", 2, 2, 0, ARG_DN|ARG_MAGIC|LOG_DB,
  79                 log_cf_gen, "( OLcfgOvAt:4.1 NAME 'olcAccessLogDB' "
  80                         "DESC 'Suffix of database for log content' "
  81                         "SUP distinguishedName SINGLE-VALUE )", NULL, NULL },
  82         { "logops", "op|writes|reads|session|all", 2, 0, 0,
  83                 ARG_MAGIC|LOG_OPS,
  84                 log_cf_gen, "( OLcfgOvAt:4.2 NAME 'olcAccessLogOps' "
  85                         "DESC 'Operation types to log' "
  86                         "EQUALITY caseIgnoreMatch "
  87                         "SYNTAX OMsDirectoryString )", NULL, NULL },
  88         { "logpurge", "age> <interval", 3, 3, 0, ARG_MAGIC|LOG_PURGE,
  89                 log_cf_gen, "( OLcfgOvAt:4.3 NAME 'olcAccessLogPurge' "
  90                         "DESC 'Log cleanup parameters' "
  91                         "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
  92         { "logsuccess", NULL, 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|LOG_SUCCESS,
  93                 log_cf_gen, "( OLcfgOvAt:4.4 NAME 'olcAccessLogSuccess' "
  94                         "DESC 'Log successful ops only' "
  95                         "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
  96         { "logold", "filter", 2, 2, 0, ARG_MAGIC|LOG_OLD,
  97                 log_cf_gen, "( OLcfgOvAt:4.5 NAME 'olcAccessLogOld' "
  98                         "DESC 'Log old values when modifying entries matching the filter' "
  99                         "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
 100         { NULL }
 101 };
 102
 103 static ConfigOCs log_cfocs[] = {
 104         { "( OLcfgOvOc:4.1 "
 105                 "NAME 'olcAccessLogConfig' "
 106                 "DESC 'Access log configuration' "
 107                 "SUP olcOverlayConfig "
 108                 "MUST olcAccessLogDB "
 109                 "MAY ( olcAccessLogOps $ olcAccessLogPurge $ olcAccessLogSuccess $ "
 110                         "olcAccessLogOld ) )",
 111                         Cft_Overlay, log_cfats },
 112         { NULL }
 113 };
 114
 115 static slap_verbmasks logops[] = {
 116         { BER_BVC("all"),               LOG_OP_ALL },
 117         { BER_BVC("writes"),    LOG_OP_WRITES },
 118         { BER_BVC("session"),   LOG_OP_SESSION },
 119         { BER_BVC("reads"),             LOG_OP_READS },
 120         { BER_BVC("add"),               LOG_OP_ADD },
 121         { BER_BVC("delete"),    LOG_OP_DELETE },
 122         { BER_BVC("modify"),    LOG_OP_MODIFY },
 123         { BER_BVC("modrdn"),    LOG_OP_MODRDN },
 124         { BER_BVC("compare"),   LOG_OP_COMPARE },
 125         { BER_BVC("search"),    LOG_OP_SEARCH },
 126         { BER_BVC("bind"),              LOG_OP_BIND },
 127         { BER_BVC("unbind"),    LOG_OP_UNBIND },
 128         { BER_BVC("abandon"),   LOG_OP_ABANDON },
 129         { BER_BVC("extended"),  LOG_OP_EXTENDED },
 130         { BER_BVC("unknown"),   LOG_OP_UNKNOWN },
 131         { BER_BVNULL, 0 }
 132 };
 133
 134 /* Start with "add" in logops */
 135 #define EN_OFFSET       4
 136
 137 enum {
 138         LOG_EN_ADD = 0,
 139         LOG_EN_DELETE,
 140         LOG_EN_MODIFY,
 141         LOG_EN_MODRDN,
 142         LOG_EN_COMPARE,
 143         LOG_EN_SEARCH,
 144         LOG_EN_BIND,
 145         LOG_EN_UNBIND,
 146         LOG_EN_ABANDON,
 147         LOG_EN_EXTENDED,
 148         LOG_EN_UNKNOWN,
 149         LOG_EN__COUNT
 150 };
 151
 152 static ObjectClass *log_ocs[LOG_EN__COUNT], *log_container;
 153
 154 #define LOG_SCHEMA_ROOT "1.3.6.1.4.1.4203.666.11.5"
 155
 156 #define LOG_SCHEMA_AT LOG_SCHEMA_ROOT ".1"
 157 #define LOG_SCHEMA_OC LOG_SCHEMA_ROOT ".2"
 158
 159 static AttributeDescription *ad_reqDN, *ad_reqStart, *ad_reqEnd, *ad_reqType,
 160         *ad_reqSession, *ad_reqResult, *ad_reqAuthzID, *ad_reqControls,
 161         *ad_reqRespControls, *ad_reqMethod, *ad_reqAssertion, *ad_reqNewRDN,
 162         *ad_reqNewSuperior, *ad_reqDeleteOldRDN, *ad_reqMod,
 163         *ad_reqScope, *ad_reqFilter, *ad_reqAttr, *ad_reqEntries,
 164         *ad_reqSizeLimit, *ad_reqTimeLimit, *ad_reqAttrsOnly, *ad_reqData,
 165         *ad_reqId, *ad_reqMessage, *ad_reqVersion, *ad_reqDerefAliases,
 166         *ad_reqReferral, *ad_reqOld;
 167
 168 static struct {
 169         char *at;
 170         AttributeDescription **ad;
 171 } lattrs[] = {
 172         { "( " LOG_SCHEMA_AT ".1 NAME 'reqDN' "
 173                 "DESC 'Target DN of request' "
 174                 "EQUALITY distinguishedNameMatch "
 175                 "SYNTAX OMsDN "
 176                 "SINGLE-VALUE )", &ad_reqDN },
 177         { "( " LOG_SCHEMA_AT ".2 NAME 'reqStart' "
 178                 "DESC 'Start time of request' "
 179                 "EQUALITY generalizedTimeMatch "
 180                 "ORDERING generalizedTimeOrderingMatch "
 181                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
 182                 "SINGLE-VALUE )", &ad_reqStart },
 183         { "( " LOG_SCHEMA_AT ".3 NAME 'reqEnd' "
 184                 "DESC 'End time of request' "
 185                 "EQUALITY generalizedTimeMatch "
 186                 "ORDERING generalizedTimeOrderingMatch "
 187                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
 188                 "SINGLE-VALUE )", &ad_reqEnd },
 189         { "( " LOG_SCHEMA_AT ".4 NAME 'reqType' "
 190                 "DESC 'Type of request' "
 191                 "EQUALITY caseIgnoreMatch "
 192                 "SYNTAX OMsDirectoryString "
 193                 "SINGLE-VALUE )", &ad_reqType },
 194         { "( " LOG_SCHEMA_AT ".5 NAME 'reqSession' "
 195                 "DESC 'Session ID of request' "
 196                 "EQUALITY caseIgnoreMatch "
 197                 "SYNTAX OMsDirectoryString "
 198                 "SINGLE-VALUE )", &ad_reqSession },
 199         { "( " LOG_SCHEMA_AT ".6 NAME 'reqAuthzID' "
 200                 "DESC 'Authorization ID of requestor' "
 201                 "EQUALITY distinguishedNameMatch "
 202                 "SYNTAX OMsDN "
 203                 "SINGLE-VALUE )", &ad_reqAuthzID },
 204         { "( " LOG_SCHEMA_AT ".7 NAME 'reqResult' "
 205                 "DESC 'Result code of request' "
 206                 "EQUALITY integerMatch "
 207                 "ORDERING integerOrderingMatch "
 208                 "SYNTAX OMsInteger "
 209                 "SINGLE-VALUE )", &ad_reqResult },
 210         { "( " LOG_SCHEMA_AT ".8 NAME 'reqMessage' "
 211                 "DESC 'Error text of request' "
 212                 "EQUALITY caseIgnoreMatch "
 213                 "SUBSTR caseIgnoreSubstringsMatch "
 214                 "SYNTAX OMsDirectoryString "
 215                 "SINGLE-VALUE )", &ad_reqMessage },
 216         { "( " LOG_SCHEMA_AT ".9 NAME 'reqReferral' "
 217                 "DESC 'Referrals returned for request' "
 218                 "SUP labeledURI )", &ad_reqReferral },
 219         { "( " LOG_SCHEMA_AT ".10 NAME 'reqControls' "
 220                 "DESC 'Request controls' "
 221                 "SYNTAX OMsOctetString )", &ad_reqControls },
 222         { "( " LOG_SCHEMA_AT ".11 NAME 'reqRespControls' "
 223                 "DESC 'Response controls of request' "
 224                 "SYNTAX OMsOctetString )", &ad_reqRespControls },
 225         { "( " LOG_SCHEMA_AT ".12 NAME 'reqId' "
 226                 "DESC 'ID of Request to Abandon' "
 227                 "EQUALITY integerMatch "
 228                 "ORDERING integerOrderingMatch "
 229                 "SYNTAX OMsInteger "
 230                 "SINGLE-VALUE )", &ad_reqId },
 231         { "( " LOG_SCHEMA_AT ".13 NAME 'reqVersion' "
 232                 "DESC 'Protocol version of Bind request' "
 233                 "EQUALITY integerMatch "
 234                 "ORDERING integerOrderingMatch "
 235                 "SYNTAX OMsInteger "
 236                 "SINGLE-VALUE )", &ad_reqVersion },
 237         { "( " LOG_SCHEMA_AT ".14 NAME 'reqMethod' "
 238                 "DESC 'Bind method of request' "
 239                 "EQUALITY caseIgnoreMatch "
 240                 "SYNTAX OMsDirectoryString "
 241                 "SINGLE-VALUE )", &ad_reqMethod },
 242         { "( " LOG_SCHEMA_AT ".15 NAME 'reqAssertion' "
 243                 "DESC 'Compare Assertion of request' "
 244                 "SYNTAX OMsDirectoryString "
 245                 "SINGLE-VALUE )", &ad_reqAssertion },
 246         { "( " LOG_SCHEMA_AT ".16 NAME 'reqMod' "
 247                 "DESC 'Modifications of request' "
 248                 "EQUALITY octetStringMatch "
 249                 "SUBSTR octetStringSubstringsMatch "
 250                 "SYNTAX OMsOctetString )", &ad_reqMod },
 251         { "( " LOG_SCHEMA_AT ".17 NAME 'reqOld' "
 252                 "DESC 'Old values of entry before request completed' "
 253                 "EQUALITY octetStringMatch "
 254                 "SUBSTR octetStringSubstringsMatch "
 255                 "SYNTAX OMsOctetString )", &ad_reqOld },
 256         { "( " LOG_SCHEMA_AT ".18 NAME 'reqNewRDN' "
 257                 "DESC 'New RDN of request' "
 258                 "EQUALITY distinguishedNameMatch "
 259                 "SYNTAX OMsDN "
 260                 "SINGLE-VALUE )", &ad_reqNewRDN },
 261         { "( " LOG_SCHEMA_AT ".19 NAME 'reqDeleteOldRDN' "
 262                 "DESC 'Delete old RDN' "
 263                 "EQUALITY booleanMatch "
 264                 "SYNTAX OMsBoolean "
 265                 "SINGLE-VALUE )", &ad_reqDeleteOldRDN },
 266         { "( " LOG_SCHEMA_AT ".20 NAME 'reqNewSuperior' "
 267                 "DESC 'New superior DN of request' "
 268                 "EQUALITY distinguishedNameMatch "
 269                 "SYNTAX OMsDN "
 270                 "SINGLE-VALUE )", &ad_reqNewSuperior },
 271         { "( " LOG_SCHEMA_AT ".21 NAME 'reqScope' "
 272                 "DESC 'Scope of request' "
 273                 "EQUALITY caseIgnoreMatch "
 274                 "SYNTAX OMsDirectoryString "
 275                 "SINGLE-VALUE )", &ad_reqScope },
 276         { "( " LOG_SCHEMA_AT ".22 NAME 'reqDerefAliases' "
 277                 "DESC 'Disposition of Aliases in request' "
 278                 "EQUALITY caseIgnoreMatch "
 279                 "SYNTAX OMsDirectoryString "
 280                 "SINGLE-VALUE )", &ad_reqDerefAliases },
 281         { "( " LOG_SCHEMA_AT ".23 NAME 'reqAttrsOnly' "
 282                 "DESC 'Attributes and values of request' "
 283                 "EQUALITY booleanMatch "
 284                 "SYNTAX OMsBoolean "
 285                 "SINGLE-VALUE )", &ad_reqAttrsOnly },
 286         { "( " LOG_SCHEMA_AT ".24 NAME 'reqFilter' "
 287                 "DESC 'Filter of request' "
 288                 "EQUALITY caseIgnoreMatch "
 289                 "SUBSTR caseIgnoreSubstringsMatch "
 290                 "SYNTAX OMsDirectoryString "
 291                 "SINGLE-VALUE )", &ad_reqFilter },
 292         { "( " LOG_SCHEMA_AT ".25 NAME 'reqAttr' "
 293                 "DESC 'Attributes of request' "
 294                 "EQUALITY caseIgnoreMatch "
 295                 "SYNTAX OMsDirectoryString )", &ad_reqAttr },
 296         { "( " LOG_SCHEMA_AT ".26 NAME 'reqSizeLimit' "
 297                 "DESC 'Size limit of request' "
 298                 "EQUALITY integerMatch "
 299                 "ORDERING integerOrderingMatch "
 300                 "SYNTAX OMsInteger "
 301                 "SINGLE-VALUE )", &ad_reqSizeLimit },
 302         { "( " LOG_SCHEMA_AT ".27 NAME 'reqTimeLimit' "
 303                 "DESC 'Time limit of request' "
 304                 "EQUALITY integerMatch "
 305                 "ORDERING integerOrderingMatch "
 306                 "SYNTAX OMsInteger "
 307                 "SINGLE-VALUE )", &ad_reqTimeLimit },
 308         { "( " LOG_SCHEMA_AT ".28 NAME 'reqEntries' "
 309                 "DESC 'Number of entries returned' "
 310                 "EQUALITY integerMatch "
 311                 "ORDERING integerOrderingMatch "
 312                 "SYNTAX OMsInteger "
 313                 "SINGLE-VALUE )", &ad_reqEntries },
 314         { "( " LOG_SCHEMA_AT ".29 NAME 'reqData' "
 315                 "DESC 'Data of extended request' "
 316                 "EQUALITY octetStringMatch "
 317                 "SUBSTR octetStringSubstringsMatch "
 318                 "SYNTAX OMsOctetString "
 319                 "SINGLE-VALUE )", &ad_reqData },
 320         { NULL, NULL }
 321 };
 322
 323 static struct {
 324         char *ot;
 325         ObjectClass **oc;
 326 } locs[] = {
 327         { "( " LOG_SCHEMA_OC ".0 NAME 'auditContainer' "
 328                 "DESC 'AuditLog container' "
 329                 "SUP top STRUCTURAL "
 330                 "MAY ( cn $ reqStart $ reqEnd ) )", &log_container },
 331         { "( " LOG_SCHEMA_OC ".1 NAME 'auditObject' "
 332                 "DESC 'OpenLDAP request auditing' "
 333                 "SUP top STRUCTURAL "
 334                 "MUST ( reqStart $ reqType $ reqSession ) "
 335                 "MAY ( reqDN $ reqAuthzID $ reqControls $ reqRespControls $ reqEnd $ "
 336                         "reqResult $ reqMessage $ reqReferral ) )",
 337                                 &log_ocs[LOG_EN_UNBIND] },
 338         { "( " LOG_SCHEMA_OC ".2 NAME 'auditReadObject' "
 339                 "DESC 'OpenLDAP read request record' "
 340                 "SUP auditObject STRUCTURAL )", NULL },
 341         { "( " LOG_SCHEMA_OC ".3 NAME 'auditWriteObject' "
 342                 "DESC 'OpenLDAP write request record' "
 343                 "SUP auditObject STRUCTURAL )", NULL },
 344         { "( " LOG_SCHEMA_OC ".4 NAME 'auditAbandon' "
 345                 "DESC 'Abandon operation' "
 346                 "SUP auditObject STRUCTURAL "
 347                 "MUST reqId )", &log_ocs[LOG_EN_ABANDON] },
 348         { "( " LOG_SCHEMA_OC ".5 NAME 'auditAdd' "
 349                 "DESC 'Add operation' "
 350                 "SUP auditWriteObject STRUCTURAL "
 351                 "MUST reqMod )", &log_ocs[LOG_EN_ADD] },
 352         { "( " LOG_SCHEMA_OC ".6 NAME 'auditBind' "
 353                 "DESC 'Bind operation' "
 354                 "SUP auditObject STRUCTURAL "
 355                 "MUST ( reqVersion $ reqMethod ) )", &log_ocs[LOG_EN_BIND] },
 356         { "( " LOG_SCHEMA_OC ".7 NAME 'auditCompare' "
 357                 "DESC 'Compare operation' "
 358                 "SUP auditReadObject STRUCTURAL "
 359                 "MUST reqAssertion )", &log_ocs[LOG_EN_COMPARE] },
 360         { "( " LOG_SCHEMA_OC ".8 NAME 'auditDelete' "
 361                 "DESC 'Delete operation' "
 362                 "SUP auditWriteObject STRUCTURAL "
 363                 "MAY reqOld )", &log_ocs[LOG_EN_DELETE] },
 364         { "( " LOG_SCHEMA_OC ".9 NAME 'auditModify' "
 365                 "DESC 'Modify operation' "
 366                 "SUP auditWriteObject STRUCTURAL "
 367                 "MAY reqOld MUST reqMod )", &log_ocs[LOG_EN_MODIFY] },
 368         { "( " LOG_SCHEMA_OC ".10 NAME 'auditModRDN' "
 369                 "DESC 'ModRDN operation' "
 370                 "SUP auditWriteObject STRUCTURAL "
 371                 "MUST ( reqNewRDN $ reqDeleteOldRDN ) "
 372                 "MAY reqNewSuperior )", &log_ocs[LOG_EN_MODRDN] },
 373         { "( " LOG_SCHEMA_OC ".11 NAME 'auditSearch' "
 374                 "DESC 'Search operation' "
 375                 "SUP auditReadObject STRUCTURAL "
 376                 "MUST ( reqScope $ reqDerefAliases $ reqAttrsonly ) "
 377                 "MAY ( reqFilter $ reqAttr $ reqEntries $ reqSizeLimit $ "
 378                         "reqTimeLimit ) )", &log_ocs[LOG_EN_SEARCH] },
 379         { "( " LOG_SCHEMA_OC ".12 NAME 'auditExtended' "
 380                 "DESC 'Extended operation' "
 381                 "SUP auditObject STRUCTURAL "
 382                 "MAY reqData )", &log_ocs[LOG_EN_EXTENDED] },
 383         { NULL, NULL }
 384 };
 385
 386 #define RDNEQ   "reqStart="
 387
 388 /* Our time intervals are of the form [ddd+]hh:mm[:ss]
 389  * If a field is present, it must be two digits. (Except for
 390  * days, which can be arbitrary width.)
 391  */
 392 static int
 393 log_age_parse(char *agestr)
 394 {
 395         int t1, t2;
 396         int gotdays = 0;
 397         char *endptr;
 398
 399         t1 = strtol( agestr, &endptr, 10 );
 400         /* Is there a days delimiter? */
 401         if ( *endptr == '+' ) {
 402                 /* 32 bit time only covers about 68 years */
 403                 if ( t1 < 0 || t1 > 25000 )
 404                         return -1;
 405                 t1 *= 24;
 406                 gotdays = 1;
 407                 agestr = endptr + 1;
 408         } else {
 409                 if ( agestr[2] != ':' ) {
 410                         /* No valid delimiter found, fail */
 411                         return -1;
 412                 }
 413                 t1 *= 60;
 414                 agestr += 3;
 415         }
 416
 417         t2 = atoi( agestr );
 418         t1 += t2;
 419
 420         if ( agestr[2] ) {
 421                 /* if there's a delimiter, it can only be a colon */
 422                 if ( agestr[2] != ':' )
 423                         return -1;
 424         } else {
 425                 /* If we're at the end of the string, and we started with days,
 426                  * fail because we expected to find minutes too.
 427                  */
 428                 return gotdays ? -1 : t1 * 60;
 429         }
 430
 431         agestr += 3;
 432         t2 = atoi( agestr );
 433
 434         /* last field can only be seconds */
 435         if ( agestr[2] && ( agestr[2] != ':' || !gotdays ))
 436                 return -1;
 437         t1 *= 60;
 438         t1 += t2;
 439
 440         if ( agestr[2] ) {
 441                 agestr += 3;
 442                 if ( agestr[2] )
 443                         return -1;
 444                 t1 *= 60;
 445                 t1 += atoi( agestr );
 446         } else if ( gotdays ) {
 447                 /* only got days+hh:mm */
 448                 t1 *= 60;
 449         }
 450         return t1;
 451 }
 452
 453 static void
 454 log_age_unparse( int age, struct berval *agebv )
 455 {
 456         int dd, hh, mm, ss;
 457         char *ptr;
 458
 459         ss = age % 60;
 460         age /= 60;
 461         mm = age % 60;
 462         age /= 60;
 463         hh = age % 24;
 464         age /= 24;
 465         dd = age;
 466
 467         ptr = agebv->bv_val;
 468
 469         if ( dd )
 470                 ptr += sprintf( ptr, "%d+", dd );
 471         ptr += sprintf( ptr, "%02d:%02d", hh, mm );
 472         if ( ss )
 473                 ptr += sprintf( ptr, ":%02d", ss );
 474
 475         agebv->bv_len = ptr - agebv->bv_val;
 476 }
 477
 478 static slap_callback nullsc = { NULL, NULL, NULL, NULL };
 479
 480 #define PURGE_INCREMENT 100
 481
 482 typedef struct purge_data {
 483         int slots;
 484         int used;
 485         BerVarray dn;
 486         BerVarray ndn;
 487         struct berval csn;      /* an arbitrary old CSN */
 488 } purge_data;
 489
 490 static int
 491 log_old_lookup( Operation *op, SlapReply *rs )
 492 {
 493         purge_data *pd = op->o_callback->sc_private;
 494
 495         if ( rs->sr_type != REP_SEARCH) return 0;
 496
 497         if ( slapd_shutdown ) return 0;
 498
 499         /* Remember old CSN */
 500         if ( pd->csn.bv_val[0] == '\0' ) {
 501                 Attribute *a = attr_find( rs->sr_entry->e_attrs,
 502                         slap_schema.si_ad_entryCSN );
 503                 if ( a ) {
 504                         int len = a->a_vals[0].bv_len;
 505                         if ( len > pd->csn.bv_len )
 506                                 len = pd->csn.bv_len;
 507                         AC_MEMCPY( pd->csn.bv_val, a->a_vals[0].bv_val, len );
 508                         pd->csn.bv_len = len;
 509                 }
 510         }
 511         if ( pd->used >= pd->slots ) {
 512                 pd->slots += PURGE_INCREMENT;
 513                 pd->dn = ch_realloc( pd->dn, pd->slots * sizeof( struct berval ));
 514                 pd->ndn = ch_realloc( pd->ndn, pd->slots * sizeof( struct berval ));
 515         }
 516         ber_dupbv( &pd->dn[pd->used], &rs->sr_entry->e_name );
 517         ber_dupbv( &pd->ndn[pd->used], &rs->sr_entry->e_nname );
 518         pd->used++;
 519         return 0;
 520 }
 521
 522 /* Periodically search for old entries in the log database and delete them */
 523 static void *
 524 accesslog_purge( void *ctx, void *arg )
 525 {
 526         struct re_s *rtask = arg;
 527         struct log_info *li = rtask->arg;
 528
 529         Connection conn = {0};
 530         OperationBuffer opbuf;
 531         Operation *op = (Operation *) &opbuf;
 532         SlapReply rs = {REP_RESULT};
 533         slap_callback cb = { NULL, log_old_lookup, NULL, NULL };
 534         Filter f;
 535         AttributeAssertion ava = {0};
 536         purge_data pd = {0};
 537         char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE];
 538         char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
 539         time_t old = slap_get_time();
 540
 541         connection_fake_init( &conn, op, ctx );
 542
 543         f.f_choice = LDAP_FILTER_LE;
 544         f.f_ava = &ava;
 545         f.f_next = NULL;
 546
 547         ava.aa_desc = ad_reqStart;
 548         ava.aa_value.bv_val = timebuf;
 549         ava.aa_value.bv_len = sizeof(timebuf);
 550
 551         old -= li->li_age;
 552         slap_timestamp( &old, &ava.aa_value );
 553
 554         op->o_tag = LDAP_REQ_SEARCH;
 555         op->o_bd = li->li_db;
 556         op->o_dn = li->li_db->be_rootdn;
 557         op->o_ndn = li->li_db->be_rootndn;
 558         op->o_req_dn = li->li_db->be_suffix[0];
 559         op->o_req_ndn = li->li_db->be_nsuffix[0];
 560         op->o_callback = &cb;
 561         op->ors_scope = LDAP_SCOPE_ONELEVEL;
 562         op->ors_deref = LDAP_DEREF_NEVER;
 563         op->ors_tlimit = SLAP_NO_LIMIT;
 564         op->ors_slimit = SLAP_NO_LIMIT;
 565         op->ors_filter = &f;
 566         filter2bv_x( op, &f, &op->ors_filterstr );
 567         op->ors_attrs = slap_anlist_no_attrs;
 568         op->ors_attrsonly = 1;
 569
 570         pd.csn.bv_len = sizeof( csnbuf );
 571         pd.csn.bv_val = csnbuf;
 572         csnbuf[0] = '\0';
 573         cb.sc_private = &pd;
 574
 575         op->o_bd->be_search( op, &rs );
 576         op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
 577
 578         if ( pd.used ) {
 579                 int i;
 580
 581                 op->o_tag = LDAP_REQ_DELETE;
 582                 op->o_callback = &nullsc;
 583                 op->o_csn = pd.csn;
 584
 585                 for (i=0; i<pd.used; i++) {
 586                         op->o_req_dn = pd.dn[i];
 587                         op->o_req_ndn = pd.ndn[i];
 588                         if ( !slapd_shutdown )
 589                                 op->o_bd->be_delete( op, &rs );
 590                         ch_free( pd.ndn[i].bv_val );
 591                         ch_free( pd.dn[i].bv_val );
 592                 }
 593                 ch_free( pd.ndn );
 594                 ch_free( pd.dn );
 595         }
 596
 597         ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
 598         ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
 599         ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
 600
 601         return NULL;
 602 }
 603
 604 static int
 605 log_cf_gen(ConfigArgs *c)
 606 {
 607         slap_overinst *on = (slap_overinst *)c->bi;
 608         struct log_info *li = on->on_bi.bi_private;
 609         int rc = 0;
 610         slap_mask_t tmask = 0;
 611         char agebuf[2*STRLENOF("ddddd+hh:mm:ss  ")];
 612         struct berval agebv, cyclebv;
 613
 614         switch( c->op ) {
 615         case SLAP_CONFIG_EMIT:
 616                 switch( c->type ) {
 617                 case LOG_DB:
 618                         if ( li->li_db == NULL ) {
 619                                 snprintf( c->msg, sizeof( c->msg ),
 620                                         "accesslog: \"logdb <suffix>\" must be specified" );
 621                                 Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
 622                                         c->log, c->msg, c->value_dn.bv_val );
 623                                 rc = 1;
 624                                 break;
 625                         }
 626                         value_add( &c->rvalue_vals, li->li_db->be_suffix );
 627                         value_add( &c->rvalue_nvals, li->li_db->be_nsuffix );
 628                         break;
 629                 case LOG_OPS:
 630                         rc = mask_to_verbs( logops, li->li_ops, &c->rvalue_vals );
 631                         break;
 632                 case LOG_PURGE:
 633                         if ( !li->li_age ) {
 634                                 rc = 1;
 635                                 break;
 636                         }
 637                         agebv.bv_val = agebuf;
 638                         log_age_unparse( li->li_age, &agebv );
 639                         agebv.bv_val[agebv.bv_len] = ' ';
 640                         agebv.bv_len++;
 641                         cyclebv.bv_val = agebv.bv_val + agebv.bv_len;
 642                         log_age_unparse( li->li_cycle, &cyclebv );
 643                         agebv.bv_len += cyclebv.bv_len;
 644                         value_add_one( &c->rvalue_vals, &agebv );
 645                         break;
 646                 case LOG_SUCCESS:
 647                         if ( li->li_success )
 648                                 c->value_int = li->li_success;
 649                         else
 650                                 rc = 1;
 651                         break;
 652                 case LOG_OLD:
 653                         if ( li->li_oldf ) {
 654                                 filter2bv( li->li_oldf, &agebv );
 655                                 ber_bvarray_add( &c->rvalue_vals, &agebv );
 656                         }
 657                         else
 658                                 rc = 1;
 659                         break;
 660                 }
 661                 break;
 662         case LDAP_MOD_DELETE:
 663                 switch( c->type ) {
 664                 case LOG_DB:
 665                         /* noop. this should always be a valid backend. */
 666                         break;
 667                 case LOG_OPS:
 668                         if ( c->valx < 0 ) {
 669                                 li->li_ops = 0;
 670                         } else {
 671                                 rc = verbs_to_mask( 1, &c->line, logops, &tmask );
 672                                 if ( rc == 0 )
 673                                         li->li_ops &= ~tmask;
 674                         }
 675                         break;
 676                 case LOG_PURGE:
 677                         if ( li->li_task ) {
 678                                 struct re_s *re = li->li_task;
 679                                 li->li_task = NULL;
 680                                 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ))
 681                                         ldap_pvt_runqueue_stoptask( &slapd_rq, re );
 682                                 ldap_pvt_runqueue_remove( &slapd_rq, re );
 683                         }
 684                         li->li_age = 0;
 685                         li->li_cycle = 0;
 686                         break;
 687                 case LOG_SUCCESS:
 688                         li->li_success = 0;
 689                         break;
 690                 case LOG_OLD:
 691                         if ( li->li_oldf ) {
 692                                 filter_free( li->li_oldf );
 693                                 li->li_oldf = NULL;
 694                         }
 695                         break;
 696                 }
 697                 break;
 698         default:
 699                 switch( c->type ) {
 700                 case LOG_DB:
 701                         li->li_db = select_backend( &c->value_ndn, 0, 0 );
 702                         if ( !li->li_db ) {
 703                                 snprintf( c->msg, sizeof( c->msg ),
 704                                         "<%s> no matching backend found for suffix",
 705                                         c->argv[0] );
 706                                 Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
 707                                         c->log, c->msg, c->value_dn.bv_val );
 708                                 rc = 1;
 709                         } else if ( BER_BVISEMPTY( &li->li_db->be_rootdn )) {
 710                                 snprintf( c->msg, sizeof( c->msg ),
 711                                                 "<%s> no rootDN was configured for suffix",
 712                                                 c->argv[0] );
 713                                 Debug( LDAP_DEBUG_ANY, "%s: %s \"%s\"\n",
 714                                                 c->log, c->msg, c->value_dn.bv_val );
 715                                 rc = 1;
 716                         }
 717                         ch_free( c->value_dn.bv_val );
 718                         ch_free( c->value_ndn.bv_val );
 719                         break;
 720                 case LOG_OPS:
 721                         rc = verbs_to_mask( c->argc, c->argv, logops, &tmask );
 722                         if ( rc == 0 )
 723                                 li->li_ops |= tmask;
 724                         break;
 725                 case LOG_PURGE:
 726                         li->li_age = log_age_parse( c->argv[1] );
 727                         if ( li->li_age < 1 ) {
 728                                 rc = 1;
 729                         } else {
 730                                 li->li_cycle = log_age_parse( c->argv[2] );
 731                                 if ( li->li_cycle < 1 ) {
 732                                         rc = 1;
 733                                 } else if ( slapMode & SLAP_SERVER_MODE ) {
 734                                         struct re_s *re = li->li_task;
 735                                         if ( re )
 736                                                 re->interval.tv_sec = li->li_cycle;
 737                                         else
 738                                                 li->li_task = ldap_pvt_runqueue_insert( &slapd_rq,
 739                                                         li->li_cycle, accesslog_purge, li,
 740                                                         "accesslog_purge", li->li_db ?
 741                                                                 li->li_db->be_suffix[0].bv_val :
 742                                                                 c->be->be_suffix[0].bv_val );
 743                                 }
 744                         }
 745                         break;
 746                 case LOG_SUCCESS:
 747                         li->li_success = c->value_int;
 748                         break;
 749                 case LOG_OLD:
 750                         li->li_oldf = str2filter( c->argv[1] );
 751                         if ( !li->li_oldf ) {
 752                                 sprintf( c->msg, "bad filter!" );
 753                                 rc = 1;
 754                         }
 755                 }
 756                 break;
 757         }
 758         return rc;
 759 }
 760
 761 static Entry *accesslog_entry( Operation *op, int logop,
 762         Operation *op2 ) {
 763         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
 764         log_info *li = on->on_bi.bi_private;
 765
 766         char rdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
 767         char nrdnbuf[STRLENOF(RDNEQ)+LDAP_LUTIL_GENTIME_BUFSIZE+8];
 768
 769         struct berval rdn, nrdn, timestamp, ntimestamp, bv;
 770         slap_verbmasks *lo = logops+logop+EN_OFFSET;
 771
 772         Entry *e = ch_calloc( 1, sizeof(Entry) );
 773
 774         strcpy( rdnbuf, RDNEQ );
 775         rdn.bv_val = rdnbuf;
 776         strcpy( nrdnbuf, RDNEQ );
 777         nrdn.bv_val = nrdnbuf;
 778
 779         timestamp.bv_val = rdnbuf+STRLENOF(RDNEQ);
 780         timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
 781         slap_timestamp( &op->o_time, &timestamp );
 782         sprintf( timestamp.bv_val + timestamp.bv_len-1, ".%06dZ", op->o_tincr );
 783         timestamp.bv_len += 7;
 784
 785         rdn.bv_len = STRLENOF(RDNEQ)+timestamp.bv_len;
 786         ad_reqStart->ad_type->sat_equality->smr_normalize(
 787                 SLAP_MR_VALUE_OF_ASSERTION_SYNTAX, ad_reqStart->ad_type->sat_syntax,
 788                 ad_reqStart->ad_type->sat_equality, &timestamp, &ntimestamp,
 789                 op->o_tmpmemctx );
 790
 791         strcpy( nrdn.bv_val + STRLENOF(RDNEQ), ntimestamp.bv_val );
 792         nrdn.bv_len = STRLENOF(RDNEQ)+ntimestamp.bv_len;
 793         build_new_dn( &e->e_name, li->li_db->be_suffix, &rdn, NULL );
 794         build_new_dn( &e->e_nname, li->li_db->be_nsuffix, &nrdn, NULL );
 795
 796         attr_merge_one( e, slap_schema.si_ad_objectClass,
 797                 &log_ocs[logop]->soc_cname, NULL );
 798         attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
 799                 &log_ocs[logop]->soc_cname, NULL );
 800         attr_merge_one( e, ad_reqStart, &timestamp, &ntimestamp );
 801         op->o_tmpfree( ntimestamp.bv_val, op->o_tmpmemctx );
 802
 803         slap_op_time( &op2->o_time, &op2->o_tincr );
 804
 805         timestamp.bv_len = sizeof(rdnbuf) - STRLENOF(RDNEQ);
 806         slap_timestamp( &op2->o_time, &timestamp );
 807         sprintf( timestamp.bv_val + timestamp.bv_len-1, ".%06dZ", op2->o_tincr );
 808         timestamp.bv_len += 7;
 809
 810         attr_merge_normalize_one( e, ad_reqEnd, &timestamp, op->o_tmpmemctx );
 811
 812         /* Exops have OID appended */
 813         if ( logop == LOG_EN_EXTENDED ) {
 814                 bv.bv_len = lo->word.bv_len + op->ore_reqoid.bv_len + 2;
 815                 bv.bv_val = ch_malloc( bv.bv_len + 1 );
 816                 AC_MEMCPY( bv.bv_val, lo->word.bv_val, lo->word.bv_len );
 817                 bv.bv_val[lo->word.bv_len] = '{';
 818                 AC_MEMCPY( bv.bv_val+lo->word.bv_len+1, op->ore_reqoid.bv_val,
 819                         op->ore_reqoid.bv_len );
 820                 bv.bv_val[bv.bv_len-1] = '}';
 821                 bv.bv_val[bv.bv_len] = '\0';
 822                 attr_merge_one( e, ad_reqType, &bv, NULL );
 823         } else {
 824                 attr_merge_one( e, ad_reqType, &lo->word, NULL );
 825         }
 826
 827         rdn.bv_len = sprintf( rdn.bv_val, "%lu", op->o_connid );
 828         attr_merge_one( e, ad_reqSession, &rdn, NULL );
 829
 830         if ( BER_BVISNULL( &op->o_dn ))
 831                 attr_merge_one( e, ad_reqAuthzID, (struct berval *)&slap_empty_bv,
 832                         (struct berval *)&slap_empty_bv );
 833         else
 834                 attr_merge_one( e, ad_reqAuthzID, &op->o_dn, &op->o_ndn );
 835
 836         /* FIXME: need to add reqControls and reqRespControls */
 837
 838         return e;
 839 }
 840
 841 static struct berval scopes[] = {
 842         BER_BVC("base"),
 843         BER_BVC("one"),
 844         BER_BVC("sub"),
 845         BER_BVC("subord")
 846 };
 847
 848 static struct berval derefs[] = {
 849         BER_BVC("never"),
 850         BER_BVC("searching"),
 851         BER_BVC("finding"),
 852         BER_BVC("always")
 853 };
 854
 855 static struct berval simple = BER_BVC("SIMPLE");
 856
 857 static void accesslog_val2val(AttributeDescription *ad, struct berval *val,
 858         char c_op, struct berval *dst) {
 859         char *ptr;
 860
 861         dst->bv_len = ad->ad_cname.bv_len + val->bv_len + 2;
 862         if ( c_op ) dst->bv_len++;
 863
 864         dst->bv_val = ch_malloc( dst->bv_len+1 );
 865
 866         ptr = lutil_strcopy( dst->bv_val, ad->ad_cname.bv_val );
 867         *ptr++ = ':';
 868         if ( c_op )
 869                 *ptr++ = c_op;
 870         *ptr++ = ' ';
 871         AC_MEMCPY( ptr, val->bv_val, val->bv_len );
 872         dst->bv_val[dst->bv_len] = '\0';
 873 }
 874
 875 static int accesslog_response(Operation *op, SlapReply *rs) {
 876         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
 877         log_info *li = on->on_bi.bi_private;
 878         Attribute *a, *last_attr;
 879         Modifications *m;
 880         struct berval *b;
 881         int i;
 882         int logop;
 883         slap_verbmasks *lo;
 884         Entry *e = NULL, *old = NULL;
 885         char timebuf[LDAP_LUTIL_GENTIME_BUFSIZE+8];
 886         struct berval bv;
 887         char *ptr;
 888         BerVarray vals;
 889         Operation op2 = {0};
 890         SlapReply rs2 = {REP_RESULT};
 891
 892         if ( rs->sr_type != REP_RESULT && rs->sr_type != REP_EXTENDED )
 893                 return SLAP_CB_CONTINUE;
 894
 895         switch ( op->o_tag ) {
 896         case LDAP_REQ_ADD:              logop = LOG_EN_ADD; break;
 897         case LDAP_REQ_DELETE:   logop = LOG_EN_DELETE; break;
 898         case LDAP_REQ_MODIFY:   logop = LOG_EN_MODIFY; break;
 899         case LDAP_REQ_MODRDN:   logop = LOG_EN_MODRDN; break;
 900         case LDAP_REQ_COMPARE:  logop = LOG_EN_COMPARE; break;
 901         case LDAP_REQ_SEARCH:   logop = LOG_EN_SEARCH; break;
 902         case LDAP_REQ_BIND:             logop = LOG_EN_BIND; break;
 903         case LDAP_REQ_EXTENDED: logop = LOG_EN_EXTENDED; break;
 904         default:        /* unknown operation type */
 905                 logop = LOG_EN_UNKNOWN; break;
 906         }       /* Unbind and Abandon never reach here */
 907
 908         lo = logops+logop+EN_OFFSET;
 909         if ( !( li->li_ops & lo->mask ))
 910                 return SLAP_CB_CONTINUE;
 911
 912         if ( lo->mask & LOG_OP_WRITES ) {
 913                 slap_callback *cb;
 914                 ldap_pvt_thread_mutex_lock( &li->li_log_mutex );
 915                 old = li->li_old;
 916                 li->li_old = NULL;
 917                 /* Disarm mod_cleanup */
 918                 for ( cb = op->o_callback; cb; cb = cb->sc_next ) {
 919                         if ( cb->sc_private == (void *)on ) {
 920                                 cb->sc_private = NULL;
 921                                 break;
 922                         }
 923                 }
 924                 ldap_pvt_thread_mutex_unlock( &li->li_op_mutex );
 925         }
 926
 927         if ( li->li_success && rs->sr_err != LDAP_SUCCESS )
 928                 goto done;
 929
 930         e = accesslog_entry( op, logop, &op2 );
 931
 932         attr_merge_one( e, ad_reqDN, &op->o_req_dn, &op->o_req_ndn );
 933
 934         if ( rs->sr_text ) {
 935                 ber_str2bv( rs->sr_text, 0, 0, &bv );
 936                 attr_merge_one( e, ad_reqMessage, &bv, NULL );
 937         }
 938         bv.bv_len = sprintf( timebuf, "%d", rs->sr_err );
 939         bv.bv_val = timebuf;
 940
 941         attr_merge_one( e, ad_reqResult, &bv, NULL );
 942
 943         last_attr = attr_find( e->e_attrs, ad_reqResult );
 944
 945         switch( logop ) {
 946         case LOG_EN_ADD:
 947         case LOG_EN_DELETE: {
 948                 char c_op;
 949                 Entry *e2;
 950
 951                 if ( logop == LOG_EN_ADD ) {
 952                         e2 = op->ora_e;
 953                         c_op = '+';
 954                 } else {
 955                         if ( !old )
 956                                 break;
 957                         e2 = old;
 958                         c_op = 0;
 959                 }
 960                 /* count all the vals */
 961                 i = 0;
 962                 for ( a=e2->e_attrs; a; a=a->a_next ) {
 963                         if ( a->a_vals ) {
 964                                 for (b=a->a_vals; !BER_BVISNULL( b ); b++) {
 965                                         i++;
 966                                 }
 967                         }
 968                 }
 969                 vals = ch_malloc( (i+1) * sizeof( struct berval ));
 970                 i = 0;
 971                 for ( a=e2->e_attrs; a; a=a->a_next ) {
 972                         if ( a->a_vals ) {
 973                                 for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
 974                                         accesslog_val2val( a->a_desc, b, c_op, &vals[i] );
 975                                 }
 976                         }
 977                 }
 978                 vals[i].bv_val = NULL;
 979                 vals[i].bv_len = 0;
 980                 a = attr_alloc( logop == LOG_EN_ADD ? ad_reqMod : ad_reqOld );
 981                 a->a_vals = vals;
 982                 a->a_nvals = vals;
 983                 last_attr->a_next = a;
 984                 break;
 985         }
 986
 987         case LOG_EN_MODIFY:
 988                 /* count all the mods */
 989                 i = 0;
 990                 for ( m=op->orm_modlist; m; m=m->sml_next ) {
 991                         if ( m->sml_values ) {
 992                                 for (b=m->sml_values; !BER_BVISNULL( b ); b++) {
 993                                         i++;
 994                                 }
 995                         } else if ( m->sml_op == LDAP_MOD_DELETE ||
 996                                 m->sml_op == LDAP_MOD_REPLACE ) {
 997                                 i++;
 998                         }
 999                 }
1000                 vals = ch_malloc( (i+1) * sizeof( struct berval ));
1001                 i = 0;
1002
1003                 /* Zero flags on old entry */
1004                 if ( old ) {
1005                         for ( a=old->e_attrs; a; a=a->a_next )
1006                                 a->a_flags = 0;
1007                 }
1008
1009                 for ( m=op->orm_modlist; m; m=m->sml_next ) {
1010                         /* Mark this attribute as modified */
1011                         if ( old ) {
1012                                 a = attr_find( old->e_attrs, m->sml_desc );
1013                                 if ( a )
1014                                         a->a_flags = 1;
1015                         }
1016                         if ( m->sml_values ) {
1017                                 for (b=m->sml_values; !BER_BVISNULL( b ); b++,i++) {
1018                                         char c_op;
1019
1020                                         switch( m->sml_op ) {
1021                                         case LDAP_MOD_ADD: c_op = '+'; break;
1022                                         case LDAP_MOD_DELETE:   c_op = '-'; break;
1023                                         case LDAP_MOD_REPLACE:  c_op = '='; break;
1024                                         case LDAP_MOD_INCREMENT:        c_op = '#'; break;
1025
1026                                         /* unknown op. there shouldn't be any of these. we
1027                                          * don't know what to do with it, but we shouldn't just
1028                                          * ignore it.
1029                                          */
1030                                         default: c_op = '?'; break;
1031                                         }
1032                                         accesslog_val2val( m->sml_desc, b, c_op, &vals[i] );
1033                                 }
1034                         } else if ( m->sml_op == LDAP_MOD_DELETE ||
1035                                 m->sml_op == LDAP_MOD_REPLACE ) {
1036                                 vals[i].bv_len = m->sml_desc->ad_cname.bv_len + 2;
1037                                 vals[i].bv_val = ch_malloc( vals[i].bv_len+1 );
1038                                 ptr = lutil_strcopy( vals[i].bv_val,
1039                                         m->sml_desc->ad_cname.bv_val );
1040                                 *ptr++ = ':';
1041                                 if ( m->sml_op == LDAP_MOD_DELETE )
1042                                         *ptr++ = '-';
1043                                 else
1044                                         *ptr++ = '=';
1045                                 *ptr = '\0';
1046                                 i++;
1047                         }
1048                 }
1049                 vals[i].bv_val = NULL;
1050                 vals[i].bv_len = 0;
1051                 a = attr_alloc( ad_reqMod );
1052                 a->a_vals = vals;
1053                 a->a_nvals = vals;
1054                 last_attr->a_next = a;
1055
1056                 if ( old ) {
1057                         last_attr = a;
1058                         /* count all the vals */
1059                         i = 0;
1060                         for ( a=old->e_attrs; a; a=a->a_next ) {
1061                                 if ( a->a_vals && a->a_flags ) {
1062                                         for (b=a->a_vals; !BER_BVISNULL( b ); b++) {
1063                                         i++;
1064                                         }
1065                                 }
1066                         }
1067                         vals = ch_malloc( (i+1) * sizeof( struct berval ));
1068                         i = 0;
1069                         for ( a=old->e_attrs; a; a=a->a_next ) {
1070                                 if ( a->a_vals && a->a_flags ) {
1071                                         for (b=a->a_vals; !BER_BVISNULL( b ); b++,i++) {
1072                                                 accesslog_val2val( a->a_desc, b, 0, &vals[i] );
1073                                         }
1074                                 }
1075                         }
1076                         vals[i].bv_val = NULL;
1077                         vals[i].bv_len = 0;
1078                         a = attr_alloc( ad_reqOld );
1079                         a->a_vals = vals;
1080                         a->a_nvals = vals;
1081                         last_attr->a_next = a;
1082                 }
1083                 break;
1084
1085         case LOG_EN_MODRDN:
1086                 attr_merge_one( e, ad_reqNewRDN, &op->orr_newrdn, &op->orr_nnewrdn );
1087                 attr_merge_one( e, ad_reqDeleteOldRDN, op->orr_deleteoldrdn ?
1088                         (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1089                         NULL );
1090                 if ( op->orr_newSup ) {
1091                         attr_merge_one( e, ad_reqNewSuperior, op->orr_newSup, op->orr_nnewSup );
1092                 }
1093                 break;
1094
1095         case LOG_EN_COMPARE:
1096                 bv.bv_len = op->orc_ava->aa_desc->ad_cname.bv_len + 1 +
1097                         op->orc_ava->aa_value.bv_len;
1098                 bv.bv_val = op->o_tmpalloc( bv.bv_len+1, op->o_tmpmemctx );
1099                 ptr = lutil_strcopy( bv.bv_val, op->orc_ava->aa_desc->ad_cname.bv_val );
1100                 *ptr++ = '=';
1101                 AC_MEMCPY( ptr, op->orc_ava->aa_value.bv_val, op->orc_ava->aa_value.bv_len );
1102                 bv.bv_val[bv.bv_len] = '\0';
1103                 attr_merge_one( e, ad_reqAssertion, &bv, NULL );
1104                 op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1105                 break;
1106
1107         case LOG_EN_SEARCH:
1108                 attr_merge_one( e, ad_reqScope, &scopes[op->ors_scope], NULL );
1109                 attr_merge_one( e, ad_reqDerefAliases, &derefs[op->ors_deref], NULL );
1110                 attr_merge_one( e, ad_reqAttrsOnly, op->ors_attrsonly ?
1111                         (struct berval *)&slap_true_bv : (struct berval *)&slap_false_bv,
1112                         NULL );
1113                 if ( !BER_BVISEMPTY( &op->ors_filterstr ))
1114                         attr_merge_one( e, ad_reqFilter, &op->ors_filterstr, NULL );
1115                 if ( op->ors_attrs ) {
1116                         /* count them */
1117                         for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1118                                 ;
1119                         vals = op->o_tmpalloc( (i+1) * sizeof(struct berval),
1120                                 op->o_tmpmemctx );
1121                         for (i=0; !BER_BVISNULL(&op->ors_attrs[i].an_name );i++)
1122                                 vals[i] = op->ors_attrs[i].an_name;
1123                         vals[i].bv_val = NULL;
1124                         vals[i].bv_len = 0;
1125                         attr_merge( e, ad_reqAttr, vals, NULL );
1126                         op->o_tmpfree( vals, op->o_tmpmemctx );
1127                 }
1128                 bv.bv_val = timebuf;
1129                 bv.bv_len = sprintf( bv.bv_val, "%d", rs->sr_nentries );
1130                 attr_merge_one( e, ad_reqEntries, &bv, NULL );
1131
1132                 bv.bv_len = sprintf( bv.bv_val, "%d", op->ors_tlimit );
1133                 attr_merge_one( e, ad_reqTimeLimit, &bv, NULL );
1134
1135                 bv.bv_len = sprintf( bv.bv_val, "%d", op->ors_slimit );
1136                 attr_merge_one( e, ad_reqSizeLimit, &bv, NULL );
1137                 break;
1138
1139         case LOG_EN_BIND:
1140                 bv.bv_val = timebuf;
1141                 bv.bv_len = sprintf( bv.bv_val, "%d", op->o_protocol );
1142                 attr_merge_one( e, ad_reqVersion, &bv, NULL );
1143                 if ( op->orb_method == LDAP_AUTH_SIMPLE ) {
1144                         attr_merge_one( e, ad_reqMethod, &simple, NULL );
1145                 } else {
1146                         bv.bv_len = STRLENOF("SASL()") + op->orb_tmp_mech.bv_len;
1147                         bv.bv_val = op->o_tmpalloc( bv.bv_len + 1, op->o_tmpmemctx );
1148                         ptr = lutil_strcopy( bv.bv_val, "SASL(" );
1149                         ptr = lutil_strcopy( ptr, op->orb_tmp_mech.bv_val );
1150                         *ptr++ = ')';
1151                         *ptr = '\0';
1152                         attr_merge_one( e, ad_reqMethod, &bv, NULL );
1153                         op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
1154                 }
1155
1156                 break;
1157
1158         case LOG_EN_EXTENDED:
1159                 if ( op->ore_reqdata ) {
1160                         attr_merge_one( e, ad_reqData, op->ore_reqdata, NULL );
1161                 }
1162                 break;
1163
1164         case LOG_EN_UNKNOWN:
1165                 /* we don't know its parameters, don't add any */
1166                 break;
1167         }
1168
1169         op2.o_hdr = op->o_hdr;
1170         op2.o_tag = LDAP_REQ_ADD;
1171         op2.o_bd = li->li_db;
1172         op2.o_dn = li->li_db->be_rootdn;
1173         op2.o_ndn = li->li_db->be_rootndn;
1174         op2.o_req_dn = e->e_name;
1175         op2.o_req_ndn = e->e_nname;
1176         op2.ora_e = e;
1177         op2.o_callback = &nullsc;
1178
1179         if (( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn )) {
1180                 slap_queue_csn( &op2, &op->o_csn );
1181         }
1182
1183         op2.o_bd->be_add( &op2, &rs2 );
1184
1185 done:
1186         if ( lo->mask & LOG_OP_WRITES )
1187                 ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );
1188         if ( e ) entry_free( e );
1189         if ( old ) entry_free( old );
1190         return SLAP_CB_CONTINUE;
1191 }
1192
1193 /* Since Bind success is sent by the frontend, it won't normally enter
1194  * the overlay response callback. Add another callback to make sure it
1195  * gets here.
1196  */
1197 static int
1198 accesslog_bind_resp( Operation *op, SlapReply *rs )
1199 {
1200         BackendDB *be, db;
1201         int rc;
1202         slap_callback *sc;
1203
1204         be = op->o_bd;
1205         db = *be;
1206         op->o_bd = &db;
1207         db.bd_info = op->o_callback->sc_private;
1208         rc = accesslog_response( op, rs );
1209         op->o_bd = be;
1210         sc = op->o_callback;
1211         op->o_callback = sc->sc_next;
1212         op->o_tmpfree( sc, op->o_tmpmemctx );
1213         return rc;
1214 }
1215
1216 static int
1217 accesslog_op_bind( Operation *op, SlapReply *rs )
1218 {
1219         slap_callback *sc;
1220
1221         sc = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
1222         sc->sc_response = accesslog_bind_resp;
1223         sc->sc_private = op->o_bd->bd_info;
1224
1225         if ( op->o_callback ) {
1226                 sc->sc_next = op->o_callback->sc_next;
1227                 op->o_callback->sc_next = sc;
1228         } else {
1229                 op->o_callback = sc;
1230         }
1231         return SLAP_CB_CONTINUE;
1232 }
1233
1234 static int
1235 accesslog_mod_cleanup( Operation *op, SlapReply *rs )
1236 {
1237         slap_callback *sc = op->o_callback;
1238         slap_overinst *on = sc->sc_private;
1239         op->o_callback = sc->sc_next;
1240
1241         op->o_tmpfree( sc, op->o_tmpmemctx );
1242
1243         if ( on ) {
1244                 BackendInfo *bi = op->o_bd->bd_info;
1245                 op->o_bd->bd_info = (BackendInfo *)on;
1246                 accesslog_response( op, rs );
1247                 op->o_bd->bd_info = bi;
1248         }
1249         return 0;
1250 }
1251
1252 static int
1253 accesslog_op_mod( Operation *op, SlapReply *rs )
1254 {
1255         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1256         log_info *li = on->on_bi.bi_private;
1257
1258         if ( li->li_ops & LOG_OP_WRITES ) {
1259                 slap_callback *cb = op->o_tmpalloc( sizeof( slap_callback ), op->o_tmpmemctx ), *cb2;
1260                 cb->sc_cleanup = accesslog_mod_cleanup;
1261                 cb->sc_response = NULL;
1262                 cb->sc_private = on;
1263                 cb->sc_next = NULL;
1264                 for ( cb2 = op->o_callback; cb2->sc_next; cb2 = cb2->sc_next );
1265                 cb2->sc_next = cb;
1266
1267                 ldap_pvt_thread_mutex_lock( &li->li_op_mutex );
1268                 if ( li->li_oldf && ( op->o_tag == LDAP_REQ_DELETE ||
1269                         op->o_tag == LDAP_REQ_MODIFY )) {
1270                         int rc;
1271                         Entry *e;
1272
1273                         op->o_bd->bd_info = on->on_info->oi_orig;
1274                         rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1275                         if ( e ) {
1276                                 if ( test_filter( op, e, li->li_oldf ) == LDAP_COMPARE_TRUE )
1277                                         li->li_old = entry_dup( e );
1278                                 be_entry_release_rw( op, e, 0 );
1279                         }
1280                         op->o_bd->bd_info = (BackendInfo *)on;
1281                 }
1282         }
1283         return SLAP_CB_CONTINUE;
1284 }
1285
1286 /* unbinds are broadcast to all backends; we only log it if this
1287  * backend was used for the original bind.
1288  */
1289 static int
1290 accesslog_unbind( Operation *op, SlapReply *rs )
1291 {
1292         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1293         if ( op->o_conn->c_authz_backend == on->on_info->oi_origdb ) {
1294                 log_info *li = on->on_bi.bi_private;
1295                 Operation op2 = {0};
1296                 void *cids[SLAP_MAX_CIDS];
1297                 SlapReply rs2 = {REP_RESULT};
1298                 Entry *e;
1299
1300                 if ( !( li->li_ops & LOG_OP_UNBIND ))
1301                         return SLAP_CB_CONTINUE;
1302
1303                 e = accesslog_entry( op, LOG_EN_UNBIND, &op2 );
1304                 op2.o_hdr = op->o_hdr;
1305                 op2.o_tag = LDAP_REQ_ADD;
1306                 op2.o_bd = li->li_db;
1307                 op2.o_dn = li->li_db->be_rootdn;
1308                 op2.o_ndn = li->li_db->be_rootndn;
1309                 op2.o_req_dn = e->e_name;
1310                 op2.o_req_ndn = e->e_nname;
1311                 op2.ora_e = e;
1312                 op2.o_callback = &nullsc;
1313                 op2.o_controls = cids;
1314                 memset(cids, 0, sizeof( cids ));
1315
1316                 op2.o_bd->be_add( &op2, &rs2 );
1317                 entry_free( e );
1318         }
1319         return SLAP_CB_CONTINUE;
1320 }
1321
1322 static int
1323 accesslog_abandon( Operation *op, SlapReply *rs )
1324 {
1325         slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1326         log_info *li = on->on_bi.bi_private;
1327         Operation op2 = {0};
1328         void *cids[SLAP_MAX_CIDS];
1329         SlapReply rs2 = {REP_RESULT};
1330         Entry *e;
1331         char buf[64];
1332         struct berval bv;
1333
1334         if ( !op->o_time || !( li->li_ops & LOG_OP_ABANDON ))
1335                 return SLAP_CB_CONTINUE;
1336
1337         e = accesslog_entry( op, LOG_EN_ABANDON, &op2 );
1338         bv.bv_val = buf;
1339         bv.bv_len = sprintf( buf, "%d", op->orn_msgid );
1340         attr_merge_one( e, ad_reqId, &bv, NULL );
1341
1342         op2.o_hdr = op->o_hdr;
1343         op2.o_tag = LDAP_REQ_ADD;
1344         op2.o_bd = li->li_db;
1345         op2.o_dn = li->li_db->be_rootdn;
1346         op2.o_ndn = li->li_db->be_rootndn;
1347         op2.o_req_dn = e->e_name;
1348         op2.o_req_ndn = e->e_nname;
1349         op2.ora_e = e;
1350         op2.o_callback = &nullsc;
1351         op2.o_controls = cids;
1352         memset(cids, 0, sizeof( cids ));
1353
1354         op2.o_bd->be_add( &op2, &rs2 );
1355         entry_free( e );
1356
1357         return SLAP_CB_CONTINUE;
1358 }
1359
1360 static slap_overinst accesslog;
1361
1362 static int
1363 accesslog_db_init(
1364         BackendDB *be
1365 )
1366 {
1367         slap_overinst *on = (slap_overinst *)be->bd_info;
1368         log_info *li = ch_calloc(1, sizeof(log_info));
1369
1370         on->on_bi.bi_private = li;
1371         ldap_pvt_thread_mutex_init( &li->li_op_mutex );
1372         ldap_pvt_thread_mutex_init( &li->li_log_mutex );
1373         return 0;
1374 }
1375
1376 static int
1377 accesslog_db_destroy(
1378         BackendDB *be
1379 )
1380 {
1381         slap_overinst *on = (slap_overinst *)be->bd_info;
1382         log_info *li = on->on_bi.bi_private;
1383
1384         if ( li->li_oldf )
1385                 filter_free( li->li_oldf );
1386         ldap_pvt_thread_mutex_destroy( &li->li_log_mutex );
1387         ldap_pvt_thread_mutex_destroy( &li->li_op_mutex );
1388         free( li );
1389         return LDAP_SUCCESS;
1390 }
1391
1392 static int
1393 accesslog_db_open(
1394         BackendDB *be
1395 )
1396 {
1397         slap_overinst *on = (slap_overinst *)be->bd_info;
1398         log_info *li = on->on_bi.bi_private;
1399
1400         Connection conn;
1401         OperationBuffer opbuf;
1402         Operation *op = (Operation *) &opbuf;
1403         Entry *e;
1404         int rc;
1405         void *thrctx;
1406
1407         if ( li->li_db == NULL ) {
1408                 Debug( LDAP_DEBUG_ANY,
1409                         "accesslog: \"logdb <suffix>\" must be specified.\n",
1410                         0, 0, 0 );
1411                 return 1;
1412         }
1413
1414         if ( slapMode & SLAP_TOOL_MODE )
1415                 return 0;
1416
1417         thrctx = ldap_pvt_thread_pool_context();
1418         connection_fake_init( &conn, op, thrctx );
1419         op->o_bd = li->li_db;
1420         op->o_dn = li->li_db->be_rootdn;
1421         op->o_ndn = li->li_db->be_rootndn;
1422
1423         rc = be_entry_get_rw( op, li->li_db->be_nsuffix, NULL, NULL, 0, &e );
1424
1425         if ( e ) {
1426                 be_entry_release_rw( op, e, 0 );
1427         } else {
1428                 SlapReply rs = {REP_RESULT};
1429                 struct berval rdn, nrdn, attr;
1430                 char *ptr;
1431                 AttributeDescription *ad = NULL;
1432                 const char *text = NULL;
1433                 Entry *e_ctx;
1434
1435                 e = ch_calloc( 1, sizeof( Entry ));
1436                 e->e_name = *li->li_db->be_suffix;
1437                 e->e_nname = *li->li_db->be_nsuffix;
1438
1439                 attr_merge_one( e, slap_schema.si_ad_objectClass,
1440                         &log_container->soc_cname, NULL );
1441
1442                 dnRdn( &e->e_name, &rdn );
1443                 dnRdn( &e->e_nname, &nrdn );
1444                 ptr = ber_bvchr( &rdn, '=' );
1445
1446                 assert( ptr != NULL );
1447
1448                 attr.bv_val = rdn.bv_val;
1449                 attr.bv_len = ptr - rdn.bv_val;
1450
1451                 slap_bv2ad( &attr, &ad, &text );
1452
1453                 rdn.bv_val = ptr+1;
1454                 rdn.bv_len -= attr.bv_len + 1;
1455                 ptr = ber_bvchr( &nrdn, '=' );
1456                 nrdn.bv_len -= ptr - nrdn.bv_val + 1;
1457                 nrdn.bv_val = ptr+1;
1458                 attr_merge_one( e, ad, &rdn, &nrdn );
1459
1460                 /* Get contextCSN from main DB */
1461                 op->o_bd = be;
1462                 op->o_bd->bd_info = on->on_info->oi_orig;
1463                 rc = be_entry_get_rw( op, be->be_nsuffix, NULL,
1464                         slap_schema.si_ad_contextCSN, 0, &e_ctx );
1465
1466                 if ( e_ctx ) {
1467                         Attribute *a;
1468
1469                         a = attr_find( e_ctx->e_attrs, slap_schema.si_ad_contextCSN );
1470                         if ( a ) {
1471                                 attr_merge( e, slap_schema.si_ad_entryCSN, a->a_vals, NULL );
1472                                 attr_merge( e, a->a_desc, a->a_vals, NULL );
1473                         }
1474                         be_entry_release_rw( op, e_ctx, 0 );
1475                 }
1476                 op->o_bd->bd_info = (BackendInfo *)on;
1477                 op->o_bd = li->li_db;
1478
1479                 op->ora_e = e;
1480                 op->o_req_dn = e->e_name;
1481                 op->o_req_ndn = e->e_nname;
1482                 op->o_callback = &nullsc;
1483                 SLAP_DBFLAGS( op->o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
1484                 rc = op->o_bd->be_add( op, &rs );
1485                 SLAP_DBFLAGS( op->o_bd ) ^= SLAP_DBFLAG_NOLASTMOD;
1486                 attrs_free( e->e_attrs );
1487                 ch_free( e );
1488         }
1489         return rc;
1490 }
1491
1492 int accesslog_initialize()
1493 {
1494         int i, rc;
1495
1496         accesslog.on_bi.bi_type = "accesslog";
1497         accesslog.on_bi.bi_db_init = accesslog_db_init;
1498         accesslog.on_bi.bi_db_destroy = accesslog_db_destroy;
1499         accesslog.on_bi.bi_db_open = accesslog_db_open;
1500
1501         accesslog.on_bi.bi_op_add = accesslog_op_mod;
1502         accesslog.on_bi.bi_op_bind = accesslog_op_bind;
1503         accesslog.on_bi.bi_op_delete = accesslog_op_mod;
1504         accesslog.on_bi.bi_op_modify = accesslog_op_mod;
1505         accesslog.on_bi.bi_op_modrdn = accesslog_op_mod;
1506         accesslog.on_bi.bi_op_unbind = accesslog_unbind;
1507         accesslog.on_bi.bi_op_abandon = accesslog_abandon;
1508         accesslog.on_response = accesslog_response;
1509
1510         accesslog.on_bi.bi_cf_ocs = log_cfocs;
1511
1512         nullsc.sc_response = slap_null_cb;
1513
1514         rc = config_register_schema( log_cfats, log_cfocs );
1515         if ( rc ) return rc;
1516
1517         /* log schema integration */
1518         for ( i=0; lattrs[i].at; i++ ) {
1519                 LDAPAttributeType *lat;
1520                 AttributeType *at;
1521                 int code;
1522                 const char *err;
1523
1524                 lat = ldap_str2attributetype( lattrs[i].at, &code, &err,
1525                         LDAP_SCHEMA_ALLOW_ALL );
1526                 if ( !lat ) {
1527                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1528                                 "ldap_str2attributetype failed on %d: %s, %s\n",
1529                                 i, ldap_scherr2str(code), err );
1530                         return -1;
1531                 }
1532                 code = at_add( lat, 0, &at, &err );
1533                 ldap_memfree( lat );
1534                 if ( code ) {
1535                         Debug( LDAP_DEBUG_ANY, "log_back_initialize: "
1536                                 "at_add failed on %d: %s\n",
1537                                 i, scherr2str(code), 0 );
1538                         return -1;
1539                 }
1540                 if ( slap_bv2ad( &at->sat_cname, lattrs[i].ad, &err )) {
1541                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1542                                 "slap_bv2ad failed on %d: %s\n",
1543                                 i, err, 0 );
1544                         return -1;
1545                 }
1546         }
1547         for ( i=0; locs[i].ot; i++ ) {
1548                 LDAPObjectClass *loc;
1549                 ObjectClass *oc;
1550                 int code;
1551                 const char *err;
1552
1553                 loc = ldap_str2objectclass( locs[i].ot, &code, &err,
1554                         LDAP_SCHEMA_ALLOW_ALL );
1555                 if ( !loc ) {
1556                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1557                                 "ldap_str2objectclass failed on %d: %s, %s\n",
1558                                 i, ldap_scherr2str(code), err );
1559                         return -1;
1560                 }
1561
1562                 code = oc_add( loc, 0, &oc, &err );
1563                 ldap_memfree( loc );
1564                 if ( code ) {
1565                         Debug( LDAP_DEBUG_ANY, "accesslog_init: "
1566                                 "oc_add failed on %d: %s\n",
1567                                 i, scherr2str(code), 0 );
1568                         return -1;
1569                 }
1570                 if ( locs[i].oc )
1571                         *locs[i].oc = oc;
1572         }
1573
1574         return overlay_register(&accesslog);
1575 }
1576
1577 #if SLAPD_OVER_ACCESSLOG == SLAPD_MOD_DYNAMIC
1578 int
1579 init_module( int argc, char *argv[] )
1580 {
1581         return accesslog_initialize();
1582 }
1583 #endif
1584
1585 #endif /* SLAPD_OVER_ACCESSLOG */