git.sur5r.net Git - openldap/blob - servers/slapd/modify.c

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright (c) 1995 Regents of the University of Michigan.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms are permitted
  11  * provided that this notice is preserved and that due credit is given
  12  * to the University of Michigan at Ann Arbor. The name of the University
  13  * may not be used to endorse or promote products derived from this
  14  * software without specific prior written permission. This software
  15  * is provided ``as is'' without express or implied warranty.
  16  */
  17
  18 #include "portable.h"
  19
  20 #include <stdio.h>
  21
  22 #include <ac/socket.h>
  23 #include <ac/string.h>
  24 #include <ac/time.h>
  25
  26 #include "ldap_pvt.h"
  27 #include "slap.h"
  28 #ifdef LDAP_SLAPI
  29 #include "slapi.h"
  30 #endif
  31 #include "lutil.h"
  32
  33
  34 int
  35 do_modify(
  36     Operation   *op,
  37     SlapReply   *rs )
  38 {
  39         struct berval dn = { 0, NULL };
  40         char            *last;
  41         ber_tag_t       tag;
  42         ber_len_t       len;
  43         Modifications   *modlist = NULL;
  44         Modifications   **modtail = &modlist;
  45 #ifdef LDAP_DEBUG
  46         Modifications *tmp;
  47 #endif
  48 #ifdef LDAP_SLAPI
  49         LDAPMod         **modv = NULL;
  50         Slapi_PBlock *pb = op->o_pb;
  51 #endif
  52         int manageDSAit;
  53         int increment = 0;
  54
  55 #ifdef NEW_LOGGING
  56         LDAP_LOG( OPERATION, ENTRY, "do_modify: enter\n", 0, 0, 0 );
  57 #else
  58         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  59 #endif
  60
  61         /*
  62          * Parse the modify request.  It looks like this:
  63          *
  64          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  65          *              name    DistinguishedName,
  66          *              mods    SEQUENCE OF SEQUENCE {
  67          *                      operation       ENUMERATED {
  68          *                              add     (0),
  69          *                              delete  (1),
  70          *                              replace (2)
  71          *                      },
  72          *                      modification    SEQUENCE {
  73          *                              type    AttributeType,
  74          *                              values  SET OF AttributeValue
  75          *                      }
  76          *              }
  77          *      }
  78          */
  79
  80         if ( ber_scanf( op->o_ber, "{m" /*}*/, &dn ) == LBER_ERROR ) {
  81 #ifdef NEW_LOGGING
  82                 LDAP_LOG( OPERATION, ERR, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  83 #else
  84                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  85 #endif
  86
  87                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  88                 return SLAPD_DISCONNECT;
  89         }
  90
  91 #ifdef NEW_LOGGING
  92         LDAP_LOG( OPERATION, ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  93 #else
  94         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn.bv_val, 0, 0 );
  95 #endif
  96
  97
  98         /* collect modifications & save for later */
  99
 100         for ( tag = ber_first_element( op->o_ber, &len, &last );
 101             tag != LBER_DEFAULT;
 102             tag = ber_next_element( op->o_ber, &len, last ) )
 103         {
 104                 ber_int_t mop;
 105                 Modifications tmp, *mod;
 106
 107                 tmp.sml_nvalues = NULL;
 108
 109                 if ( ber_scanf( op->o_ber, "{i{m[W]}}", &mop,
 110                     &tmp.sml_type, &tmp.sml_values )
 111                     == LBER_ERROR )
 112                 {
 113                         send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding modlist error" );
 114                         rs->sr_err = SLAPD_DISCONNECT;
 115                         goto cleanup;
 116                 }
 117
 118                 mod = (Modifications *) ch_malloc( sizeof(Modifications) );
 119                 mod->sml_op = mop;
 120                 mod->sml_type = tmp.sml_type;
 121                 mod->sml_values = tmp.sml_values;
 122                 mod->sml_nvalues = NULL;
 123                 mod->sml_desc = NULL;
 124                 mod->sml_next = NULL;
 125                 *modtail = mod;
 126
 127                 switch( mop ) {
 128                 case LDAP_MOD_ADD:
 129                         if ( mod->sml_values == NULL ) {
 130 #ifdef NEW_LOGGING
 131                                 LDAP_LOG( OPERATION, ERR,
 132                                         "do_modify: modify/add operation (%ld) requires values\n",
 133                                         (long)mop, 0, 0 );
 134 #else
 135                                 Debug( LDAP_DEBUG_ANY,
 136                                         "do_modify: modify/add operation (%ld) requires values\n",
 137                                         (long) mop, 0, 0 );
 138 #endif
 139
 140                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 141                                         "modify/add operation requires values" );
 142                                 goto cleanup;
 143                         }
 144
 145                         /* fall through */
 146
 147                 case LDAP_MOD_DELETE:
 148                 case LDAP_MOD_REPLACE:
 149                         break;
 150
 151                 case LDAP_MOD_INCREMENT:
 152                         if( op->o_protocol >= LDAP_VERSION3 ) {
 153                                 increment++;
 154                                 if ( mod->sml_values == NULL ) {
 155 #ifdef NEW_LOGGING
 156                                         LDAP_LOG( OPERATION, ERR, "do_modify: "
 157                                                 "modify/increment operation (%ld) requires value\n",
 158                                                 (long)mop, 0, 0 );
 159 #else
 160                                         Debug( LDAP_DEBUG_ANY, "do_modify: "
 161                                                 "modify/increment operation (%ld) requires value\n",
 162                                                 (long) mop, 0, 0 );
 163 #endif
 164
 165                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 166                                                 "modify/increment operation requires value" );
 167                                         goto cleanup;
 168                                 }
 169
 170                                 if( mod->sml_values[1].bv_val ) {
 171 #ifdef NEW_LOGGING
 172                                         LDAP_LOG( OPERATION, ERR, "do_modify: modify/increment "
 173                                                 "operation (%ld) requires single value\n",
 174                                                 (long)mop, 0, 0 );
 175 #else
 176                                         Debug( LDAP_DEBUG_ANY, "do_modify: modify/increment "
 177                                                 "operation (%ld) requires single value\n",
 178                                                 (long) mop, 0, 0 );
 179 #endif
 180
 181                                         send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 182                                                 "modify/increment operation requires single value" );
 183                                         goto cleanup;
 184                                 }
 185
 186                                 break;
 187                         }
 188                         /* fall thru */
 189
 190                 default: {
 191 #ifdef NEW_LOGGING
 192                                 LDAP_LOG( OPERATION, ERR,
 193                                         "do_modify: unrecognized modify operation (%ld)\n",
 194                                         (long)mop, 0, 0 );
 195 #else
 196                                 Debug( LDAP_DEBUG_ANY,
 197                                         "do_modify: unrecognized modify operation (%ld)\n",
 198                                         (long) mop, 0, 0 );
 199 #endif
 200
 201                                 send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
 202                                         "unrecognized modify operation" );
 203                                 goto cleanup;
 204                         }
 205                 }
 206
 207                 modtail = &mod->sml_next;
 208         }
 209         *modtail = NULL;
 210
 211         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 212 #ifdef NEW_LOGGING
 213                 LDAP_LOG( OPERATION, ERR, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 214 #else
 215                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 216 #endif
 217
 218                 goto cleanup;
 219         }
 220
 221         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
 222                 op->o_tmpmemctx );
 223         if( rs->sr_err != LDAP_SUCCESS ) {
 224 #ifdef NEW_LOGGING
 225                 LDAP_LOG( OPERATION, INFO, "do_modify: conn %d  invalid dn (%s)\n",
 226                         op->o_connid, dn.bv_val, 0 );
 227 #else
 228                 Debug( LDAP_DEBUG_ANY,
 229                         "do_modify: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 230 #endif
 231                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 232                 goto cleanup;
 233         }
 234
 235         if( op->o_req_ndn.bv_len == 0 ) {
 236 #ifdef NEW_LOGGING
 237                 LDAP_LOG( OPERATION, ERR,
 238                         "do_modify: attempt to modify root DSE.\n",0, 0, 0 );
 239 #else
 240                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 241 #endif
 242
 243                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 244                         "modify upon the root DSE not supported" );
 245                 goto cleanup;
 246
 247         } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) {
 248 #ifdef NEW_LOGGING
 249                 LDAP_LOG( OPERATION, ERR,
 250                         "do_modify: attempt to modify subschema subentry.\n" , 0, 0, 0  );
 251 #else
 252                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 253 #endif
 254
 255                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 256                         "modification of subschema subentry not supported" );
 257                 goto cleanup;
 258         }
 259
 260 #ifdef LDAP_DEBUG
 261 #ifdef NEW_LOGGING
 262         LDAP_LOG( OPERATION, DETAIL1, "do_modify: modifications:\n", 0, 0, 0  );
 263 #else
 264         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 265 #endif
 266
 267         for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 268 #ifdef NEW_LOGGING
 269                 LDAP_LOG( OPERATION, DETAIL1, "\t%s:  %s\n",
 270                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 271                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 272                                         (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 273                                                 "replace")), tmp->sml_type.bv_val, 0 );
 274
 275                 if ( tmp->sml_values == NULL ) {
 276                         LDAP_LOG( OPERATION, DETAIL1, "\t\tno values", 0, 0, 0 );
 277                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 278                         LDAP_LOG( OPERATION, DETAIL1, "\t\tzero values", 0, 0, 0 );
 279                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 280                         LDAP_LOG( OPERATION, DETAIL1, "\t\tone value", 0, 0, 0 );
 281                 } else {
 282                         LDAP_LOG( OPERATION, DETAIL1, "\t\tmultiple values", 0, 0, 0 );
 283                 }
 284
 285 #else
 286                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 287                         tmp->sml_op == LDAP_MOD_ADD ? "add" :
 288                                 (tmp->sml_op == LDAP_MOD_INCREMENT ? "increment" :
 289                                 (tmp->sml_op == LDAP_MOD_DELETE ? "delete" :
 290                                         "replace")), tmp->sml_type.bv_val, 0 );
 291
 292                 if ( tmp->sml_values == NULL ) {
 293                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 294                            "\t\tno values", NULL, NULL );
 295                 } else if ( tmp->sml_values[0].bv_val == NULL ) {
 296                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 297                            "\t\tzero values", NULL, NULL );
 298                 } else if ( tmp->sml_values[1].bv_val == NULL ) {
 299                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 300                            "\t\tone value", (long) tmp->sml_values[0].bv_len, NULL );
 301                 } else {
 302                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 303                            "\t\tmultiple values", NULL, NULL );
 304                 }
 305 #endif
 306         }
 307
 308         if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
 309                 char abuf[BUFSIZ/2], *ptr = abuf;
 310                 int len = 0;
 311
 312                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD dn=\"%s\"\n",
 313                         op->o_connid, op->o_opid, dn.bv_val, 0, 0 );
 314
 315                 for ( tmp = modlist; tmp != NULL; tmp = tmp->sml_next ) {
 316                         if (len + 1 + tmp->sml_type.bv_len > sizeof(abuf)) {
 317                                 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 318                                     op->o_connid, op->o_opid, abuf, 0, 0 );
 319                                 len = 0;
 320                                 ptr = abuf;
 321                         }
 322                         if (len) {
 323                                 *ptr++ = ' ';
 324                                 len++;
 325                         }
 326                         ptr = lutil_strcopy(ptr, tmp->sml_type.bv_val);
 327                         len += tmp->sml_type.bv_len;
 328                 }
 329                 if (len) {
 330                         Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MOD attr=%s\n",
 331                                 op->o_connid, op->o_opid, abuf, 0, 0 );
 332                 }
 333         }
 334 #endif  /* LDAP_DEBUG */
 335
 336         manageDSAit = get_manageDSAit( op );
 337
 338         /*
 339          * We could be serving multiple database backends.  Select the
 340          * appropriate one, or send a referral to our "referral server"
 341          * if we don't hold it.
 342          */
 343         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 344         if ( op->o_bd == NULL ) {
 345                 rs->sr_ref = referral_rewrite( default_referral,
 346                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 347                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 348
 349                 if (rs->sr_ref != NULL ) {
 350                         rs->sr_err = LDAP_REFERRAL;
 351                         send_ldap_result( op, rs );
 352
 353                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 354                 } else {
 355                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 356                                 "referral missing" );
 357                 }
 358                 goto cleanup;
 359         }
 360
 361         /* check restrictions */
 362         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 363                 send_ldap_result( op, rs );
 364                 goto cleanup;
 365         }
 366
 367         /* check for referrals */
 368         if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 369                 goto cleanup;
 370         }
 371
 372         /* check for modify/increment support */
 373         if( increment && !SLAP_INCREMENT( op->o_bd ) ) {
 374                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 375                         "modify/increment not supported in context" );
 376         }
 377
 378 #if defined( LDAP_SLAPI )
 379         slapi_x_pblock_set_operation( pb, op );
 380         slapi_pblock_set( pb, SLAPI_MODIFY_TARGET, (void *)dn.bv_val );
 381         slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 382         modv = slapi_x_modifications2ldapmods( &modlist );
 383         slapi_pblock_set( pb, SLAPI_MODIFY_MODS, (void *)modv );
 384
 385         rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_MODIFY_FN, pb );
 386         if ( rs->sr_err < 0 ) {
 387                 /*
 388                  * A preoperation plugin failure will abort the
 389                  * entire operation.
 390                  */
 391 #ifdef NEW_LOGGING
 392                 LDAP_LOG( OPERATION, INFO, "do_modify: modify preoperation plugin "
 393                                 "failed\n", 0, 0, 0 );
 394 #else
 395                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify preoperation plugin failed.\n",
 396                                 0, 0, 0);
 397 #endif
 398                 if ( ( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 )  ||
 399                      rs->sr_err == LDAP_SUCCESS ) {
 400                         rs->sr_err = LDAP_OTHER;
 401                 }
 402                 slapi_x_free_ldapmods( modv );
 403                 modv = NULL;
 404                 goto cleanup;
 405         }
 406
 407         /*
 408          * It's possible that the preoperation plugin changed the
 409          * modification array, so we need to convert it back to
 410          * a Modification list.
 411          *
 412          * Calling slapi_x_modifications2ldapmods() destroyed modlist so
 413          * we don't need to free it.
 414          */
 415         slapi_pblock_get( pb, SLAPI_MODIFY_MODS, (void **)&modv );
 416         modlist = slapi_x_ldapmods2modifications( modv );
 417
 418         /*
 419          * NB: it is valid for the plugin to return no modifications
 420          * (for example, a plugin might store some attributes elsewhere
 421          * and remove them from the modification list; if only those
 422          * attribute types were included in the modification request,
 423          * then slapi_x_ldapmods2modifications() above will return
 424          * NULL).
 425          *
 426          * However, the post-operation plugin should still be
 427          * called.
 428          */
 429         if ( modlist == NULL ) {
 430                 rs->sr_err = LDAP_SUCCESS;
 431                 send_ldap_result( op, rs );
 432         } else {
 433 #endif /* defined( LDAP_SLAPI ) */
 434
 435         /*
 436          * do the modify if 1 && (2 || 3)
 437          * 1) there is a modify function implemented in this backend;
 438          * 2) this backend is master for what it holds;
 439          * 3) it's a replica and the dn supplied is the update_ndn.
 440          */
 441         if ( op->o_bd->be_modify ) {
 442                 /* do the update here */
 443                 int repl_user = be_isupdate( op->o_bd, &op->o_ndn );
 444
 445                 /* Multimaster slapd does not have to check for replicator dn
 446                  * because it accepts each modify request
 447                  */
 448 #if defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER)
 449                 if ( !op->o_bd->syncinfo &&
 450                         ( !op->o_bd->be_update_ndn.bv_len || repl_user ))
 451 #elif defined(LDAP_SYNCREPL) && defined(SLAPD_MULTIMASTER)
 452                 if ( !op->o_bd->syncinfo )  /* LDAP_SYNCREPL overrides MM */
 453 #elif !defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER)
 454                 if ( !op->o_bd->be_update_ndn.bv_len || repl_user )
 455 #endif
 456                 {
 457                         int update = op->o_bd->be_update_ndn.bv_len;
 458                         char textbuf[SLAP_TEXT_BUFLEN];
 459                         size_t textlen = sizeof textbuf;
 460
 461                         rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
 462                                 textbuf, textlen, NULL );
 463
 464                         if( rs->sr_err != LDAP_SUCCESS ) {
 465                                 send_ldap_result( op, rs );
 466                                 goto cleanup;
 467                         }
 468
 469                         if ( !repl_user ) {
 470                                 for( modtail = &modlist;
 471                                         *modtail != NULL;
 472                                         modtail = &(*modtail)->sml_next )
 473                                 {
 474                                         /* empty */
 475                                 }
 476
 477                                 rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
 478                                         &rs->sr_text, textbuf, textlen );
 479                                 if( rs->sr_err != LDAP_SUCCESS ) {
 480                                         send_ldap_result( op, rs );
 481                                         goto cleanup;
 482                                 }
 483                         }
 484
 485                         op->orm_modlist = modlist;
 486                         if ( (op->o_bd->be_modify)( op, rs ) == 0
 487 #ifdef SLAPD_MULTIMASTER
 488                                 && !repl_user
 489 #endif
 490                         ) {
 491                                 /* but we log only the ones not from a replicator user */
 492                                 replog( op );
 493                         }
 494
 495 #if defined(LDAP_SYNCREPL) || !defined(SLAPD_MULTIMASTER)
 496                 /* send a referral */
 497                 } else {
 498                         BerVarray defref = NULL;
 499 #ifdef LDAP_SYNCREPL
 500                         if ( op->o_bd->syncinfo ) {
 501                                 defref = op->o_bd->syncinfo->provideruri_bv;
 502                         } else
 503 #endif
 504                         {
 505                                 defref = op->o_bd->be_update_refs
 506                                                 ? op->o_bd->be_update_refs : default_referral;
 507                         }
 508                         if ( defref != NULL ) {
 509                                 rs->sr_ref = referral_rewrite( defref,
 510                                         NULL, &op->o_req_dn,
 511                                         LDAP_SCOPE_DEFAULT );
 512                                 if (!rs->sr_ref) rs->sr_ref = defref;
 513                                 rs->sr_err = LDAP_REFERRAL;
 514                                 send_ldap_result( op, rs );
 515                                 if (rs->sr_ref != defref) {
 516                                         ber_bvarray_free( rs->sr_ref );
 517                                 }
 518                         } else {
 519                                 send_ldap_error( op, rs,
 520                                                 LDAP_UNWILLING_TO_PERFORM,
 521                                                 "referral missing" );
 522                         }
 523 #endif
 524                 }
 525         } else {
 526                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 527                     "operation not supported within namingContext" );
 528         }
 529
 530 #if defined( LDAP_SLAPI )
 531         } /* modlist != NULL */
 532
 533         if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_MODIFY_FN, pb ) < 0 ) {
 534 #ifdef NEW_LOGGING
 535                 LDAP_LOG( OPERATION, INFO, "do_modify: modify postoperation plugins "
 536                                 "failed\n", 0, 0, 0 );
 537 #else
 538                 Debug(LDAP_DEBUG_TRACE, "do_modify: modify postoperation plugins "
 539                                 "failed.\n", 0, 0, 0);
 540 #endif
 541         }
 542 #endif /* defined( LDAP_SLAPI ) */
 543
 544 cleanup:
 545
 546 #ifdef LDAP_SYNC
 547         graduate_commit_csn( op );
 548 #endif
 549
 550         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 551         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 552         if ( modlist != NULL ) slap_mods_free( modlist );
 553 #if defined( LDAP_SLAPI )
 554         if ( modv != NULL ) slapi_x_free_ldapmods( modv );
 555 #endif
 556         return rs->sr_err;
 557 }
 558
 559 /*
 560  * Do basic attribute type checking and syntax validation.
 561  */
 562 int slap_mods_check(
 563         Modifications *ml,
 564         int update,
 565         const char **text,
 566         char *textbuf,
 567         size_t textlen,
 568         void *ctx )
 569 {
 570         int rc;
 571
 572         for( ; ml != NULL; ml = ml->sml_next ) {
 573                 AttributeDescription *ad = NULL;
 574
 575                 /* convert to attribute description */
 576                 rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
 577
 578                 if( rc != LDAP_SUCCESS ) {
 579                         snprintf( textbuf, textlen, "%s: %s",
 580                                 ml->sml_type.bv_val, *text );
 581                         *text = textbuf;
 582                         return rc;
 583                 }
 584
 585                 ad = ml->sml_desc;
 586
 587                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 588                         && !slap_ad_is_binary( ad ))
 589                 {
 590                         /* attribute requires binary transfer */
 591                         snprintf( textbuf, textlen,
 592                                 "%s: requires ;binary transfer",
 593                                 ml->sml_type.bv_val );
 594                         *text = textbuf;
 595                         return LDAP_UNDEFINED_TYPE;
 596                 }
 597
 598                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 599                         && slap_ad_is_binary( ad ))
 600                 {
 601                         /* attribute requires binary transfer */
 602                         snprintf( textbuf, textlen,
 603                                 "%s: disallows ;binary transfer",
 604                                 ml->sml_type.bv_val );
 605                         *text = textbuf;
 606                         return LDAP_UNDEFINED_TYPE;
 607                 }
 608
 609                 if( slap_ad_is_tag_range( ad )) {
 610                         /* attribute requires binary transfer */
 611                         snprintf( textbuf, textlen,
 612                                 "%s: inappropriate use of tag range option",
 613                                 ml->sml_type.bv_val );
 614                         *text = textbuf;
 615                         return LDAP_UNDEFINED_TYPE;
 616                 }
 617
 618                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 619                         /* user modification disallowed */
 620                         snprintf( textbuf, textlen,
 621                                 "%s: no user modification allowed",
 622                                 ml->sml_type.bv_val );
 623                         *text = textbuf;
 624                         return LDAP_CONSTRAINT_VIOLATION;
 625                 }
 626
 627                 if ( is_at_obsolete( ad->ad_type ) &&
 628                         (( ml->sml_op != LDAP_MOD_REPLACE &&
 629                                 ml->sml_op != LDAP_MOD_DELETE ) ||
 630                                         ml->sml_values != NULL ))
 631                 {
 632                         /*
 633                          * attribute is obsolete,
 634                          * only allow replace/delete with no values
 635                          */
 636                         snprintf( textbuf, textlen,
 637                                 "%s: attribute is obsolete",
 638                                 ml->sml_type.bv_val );
 639                         *text = textbuf;
 640                         return LDAP_CONSTRAINT_VIOLATION;
 641                 }
 642
 643                 if ( ml->sml_op == LDAP_MOD_INCREMENT &&
 644 #ifdef SLAPD_REAL_SYNTAX
 645                         !is_at_syntax( ad->ad_type, SLAPD_REAL_SYNTAX ) &&
 646 #endif
 647                         !is_at_syntax( ad->ad_type, SLAPD_INTEGER_SYNTAX ) )
 648                 {
 649                         /*
 650                          * attribute values must be INTEGER or REAL
 651                          */
 652                         snprintf( textbuf, textlen,
 653                                 "%s: attribute syntax inappropriate for increment",
 654                                 ml->sml_type.bv_val );
 655                         *text = textbuf;
 656                         return LDAP_CONSTRAINT_VIOLATION;
 657                 }
 658
 659                 /*
 660                  * check values
 661                  */
 662                 if( ml->sml_values != NULL ) {
 663                         ber_len_t nvals;
 664                         slap_syntax_validate_func *validate =
 665                                 ad->ad_type->sat_syntax->ssyn_validate;
 666                         slap_syntax_transform_func *pretty =
 667                                 ad->ad_type->sat_syntax->ssyn_pretty;
 668
 669                         if( !pretty && !validate ) {
 670                                 *text = "no validator for syntax";
 671                                 snprintf( textbuf, textlen,
 672                                         "%s: no validator for syntax %s",
 673                                         ml->sml_type.bv_val,
 674                                         ad->ad_type->sat_syntax->ssyn_oid );
 675                                 *text = textbuf;
 676                                 return LDAP_INVALID_SYNTAX;
 677                         }
 678
 679                         /*
 680                          * check that each value is valid per syntax
 681                          *      and pretty if appropriate
 682                          */
 683                         for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 684                                 struct berval pval;
 685                                 if( pretty ) {
 686                                         rc = pretty( ad->ad_type->sat_syntax,
 687                                                 &ml->sml_values[nvals], &pval, ctx );
 688                                 } else {
 689                                         rc = validate( ad->ad_type->sat_syntax,
 690                                                 &ml->sml_values[nvals] );
 691                                 }
 692
 693                                 if( rc != 0 ) {
 694                                         snprintf( textbuf, textlen,
 695                                                 "%s: value #%ld invalid per syntax",
 696                                                 ml->sml_type.bv_val, (long) nvals );
 697                                         *text = textbuf;
 698                                         return LDAP_INVALID_SYNTAX;
 699                                 }
 700
 701                                 if( pretty ) {
 702                                         ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
 703                                         ml->sml_values[nvals] = pval;
 704                                 }
 705                         }
 706
 707                         /*
 708                          * a rough single value check... an additional check is needed
 709                          * to catch add of single value to existing single valued attribute
 710                          */
 711                         if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
 712                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 713                         {
 714                                 snprintf( textbuf, textlen,
 715                                         "%s: multiple values provided",
 716                                         ml->sml_type.bv_val );
 717                                 *text = textbuf;
 718                                 return LDAP_CONSTRAINT_VIOLATION;
 719                         }
 720
 721                         if( nvals && ad->ad_type->sat_equality &&
 722                                 ad->ad_type->sat_equality->smr_normalize )
 723                         {
 724                                 ml->sml_nvalues = ber_memalloc_x(
 725                                         (nvals+1)*sizeof(struct berval), ctx );
 726
 727                                 for( nvals = 0; ml->sml_values[nvals].bv_val; nvals++ ) {
 728                                         rc = ad->ad_type->sat_equality->smr_normalize(
 729                                                 0,
 730                                                 ad->ad_type->sat_syntax,
 731                                                 ad->ad_type->sat_equality,
 732                                                 &ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
 733                                         if( rc ) {
 734 #ifdef NEW_LOGGING
 735                                                 LDAP_LOG( OPERATION, DETAIL1,
 736                                                         "str2entry:  NULL (ssyn_normalize %d)\n",
 737                                                         rc, 0, 0 );
 738 #else
 739                                                 Debug( LDAP_DEBUG_ANY,
 740                                                         "<= str2entry NULL (ssyn_normalize %d)\n",
 741                                                         rc, 0, 0 );
 742 #endif
 743                                                 snprintf( textbuf, textlen,
 744                                                         "%s: value #%ld normalization failed",
 745                                                         ml->sml_type.bv_val, (long) nvals );
 746                                                 *text = textbuf;
 747                                                 return rc;
 748                                         }
 749                                 }
 750
 751                                 ml->sml_nvalues[nvals].bv_val = NULL;
 752                                 ml->sml_nvalues[nvals].bv_len = 0;
 753                         }
 754                 }
 755         }
 756
 757         return LDAP_SUCCESS;
 758 }
 759
 760 int slap_mods_opattrs(
 761         Operation *op,
 762         Modifications *mods,
 763         Modifications **modtail,
 764         const char **text,
 765         char *textbuf, size_t textlen )
 766 {
 767         struct berval name, timestamp, csn;
 768         struct berval nname;
 769         char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 770         char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
 771         Modifications *mod;
 772
 773         int mop = op->o_tag == LDAP_REQ_ADD
 774                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 775
 776 #ifdef LDAP_SYNC
 777         struct slap_csn_entry *pending;
 778 #endif
 779
 780 #ifdef LDAP_SYNCREPL
 781         syncinfo_t *si = op->o_si;
 782 #endif
 783
 784         assert( modtail != NULL );
 785         assert( *modtail == NULL );
 786
 787 #ifdef LDAP_SYNCREPL
 788         if ( SLAP_LASTMOD(op->o_bd) && ( !si || si->lastmod == LASTMOD_GEN ))
 789 #else
 790         if ( SLAP_LASTMOD(op->o_bd) )
 791 #endif
 792         {
 793                 struct tm *ltm;
 794                 time_t now = slap_get_time();
 795
 796 #ifdef LDAP_SYNC
 797                 pending = (struct slap_csn_entry *) ch_calloc( 1, sizeof( struct slap_csn_entry ));
 798 #endif
 799
 800                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 801                 ltm = gmtime( &now );
 802                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 803
 804                 csn.bv_len = lutil_csnstr( csnbuf, sizeof( csnbuf ), 0, 0 );
 805                 csn.bv_val = csnbuf;
 806 #ifdef LDAP_SYNC
 807                 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
 808                 pending->csn = ber_dupbv( NULL, &csn );
 809                 pending->connid = op->o_connid;
 810                 pending->opid = op->o_opid;
 811                 pending->state = SLAP_CSN_PENDING;
 812                 LDAP_TAILQ_INSERT_TAIL( &op->o_bd->be_pending_csn_list, pending, csn_link );
 813                 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );
 814 #endif
 815
 816                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 817
 818                 timestamp.bv_val = timebuf;
 819                 timestamp.bv_len = strlen(timebuf);
 820
 821                 if( op->o_dn.bv_len == 0 ) {
 822                         name.bv_val = SLAPD_ANONYMOUS;
 823                         name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 824                         nname = name;
 825                 } else {
 826                         name = op->o_dn;
 827                         nname = op->o_ndn;
 828                 }
 829         }
 830
 831         if( op->o_tag == LDAP_REQ_ADD ) {
 832                 struct berval tmpval;
 833
 834                 if( global_schemacheck ) {
 835                         int rc = mods_structural_class( mods, &tmpval,
 836                                 text, textbuf, textlen );
 837                         if( rc != LDAP_SUCCESS ) return rc;
 838
 839                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 840                         mod->sml_op = mop;
 841                         mod->sml_type.bv_val = NULL;
 842                         mod->sml_desc = slap_schema.si_ad_structuralObjectClass;
 843                         mod->sml_values =
 844                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 845                         ber_dupbv( &mod->sml_values[0], &tmpval );
 846                         mod->sml_values[1].bv_len = 0;
 847                         mod->sml_values[1].bv_val = NULL;
 848                         assert( mod->sml_values[0].bv_val );
 849                         mod->sml_nvalues =
 850                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 851                         ber_dupbv( &mod->sml_nvalues[0], &tmpval );
 852                         mod->sml_nvalues[1].bv_len = 0;
 853                         mod->sml_nvalues[1].bv_val = NULL;
 854                         assert( mod->sml_nvalues[0].bv_val );
 855                         *modtail = mod;
 856                         modtail = &mod->sml_next;
 857                 }
 858
 859 #ifdef LDAP_SYNCREPL
 860                 if ( SLAP_LASTMOD(op->o_bd) && ( !si || si->lastmod == LASTMOD_GEN ))
 861 #else
 862                 if ( SLAP_LASTMOD(op->o_bd) )
 863 #endif
 864                 {
 865                         char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
 866
 867 #ifdef LDAP_SYNCREPL
 868                         if ( !si ) {
 869 #endif
 870                                 tmpval.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 871                                 tmpval.bv_val = uuidbuf;
 872
 873                                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 874                                 mod->sml_op = mop;
 875                                 mod->sml_type.bv_val = NULL;
 876                                 mod->sml_desc = slap_schema.si_ad_entryUUID;
 877                                 mod->sml_values =
 878                                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 879                                 ber_dupbv( &mod->sml_values[0], &tmpval );
 880                                 mod->sml_values[1].bv_len = 0;
 881                                 mod->sml_values[1].bv_val = NULL;
 882                                 assert( mod->sml_values[0].bv_val );
 883                                 mod->sml_nvalues = NULL;
 884                                 *modtail = mod;
 885                                 modtail = &mod->sml_next;
 886 #ifdef LDAP_SYNCREPL
 887                         }
 888 #endif
 889
 890                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 891                         mod->sml_op = mop;
 892                         mod->sml_type.bv_val = NULL;
 893                         mod->sml_desc = slap_schema.si_ad_creatorsName;
 894                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 895                         ber_dupbv( &mod->sml_values[0], &name );
 896                         mod->sml_values[1].bv_len = 0;
 897                         mod->sml_values[1].bv_val = NULL;
 898                         assert( mod->sml_values[0].bv_val );
 899                         mod->sml_nvalues =
 900                                 (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 901                         ber_dupbv( &mod->sml_nvalues[0], &nname );
 902                         mod->sml_nvalues[1].bv_len = 0;
 903                         mod->sml_nvalues[1].bv_val = NULL;
 904                         assert( mod->sml_nvalues[0].bv_val );
 905                         *modtail = mod;
 906                         modtail = &mod->sml_next;
 907
 908                         mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 909                         mod->sml_op = mop;
 910                         mod->sml_type.bv_val = NULL;
 911                         mod->sml_desc = slap_schema.si_ad_createTimestamp;
 912                         mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 913                         ber_dupbv( &mod->sml_values[0], &timestamp );
 914                         mod->sml_values[1].bv_len = 0;
 915                         mod->sml_values[1].bv_val = NULL;
 916                         assert( mod->sml_values[0].bv_val );
 917                         mod->sml_nvalues = NULL;
 918                         *modtail = mod;
 919                         modtail = &mod->sml_next;
 920                 }
 921         }
 922
 923 #ifdef LDAP_SYNCREPL
 924         if ( SLAP_LASTMOD(op->o_bd) && ( !si || si->lastmod == LASTMOD_GEN ))
 925 #else
 926         if ( SLAP_LASTMOD(op->o_bd) )
 927 #endif
 928         {
 929                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 930                 mod->sml_op = mop;
 931                 mod->sml_type.bv_val = NULL;
 932                 mod->sml_desc = slap_schema.si_ad_entryCSN;
 933                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 934                 ber_dupbv( &mod->sml_values[0], &csn );
 935                 mod->sml_values[1].bv_len = 0;
 936                 mod->sml_values[1].bv_val = NULL;
 937                 assert( mod->sml_values[0].bv_val );
 938                 mod->sml_nvalues = NULL;
 939                 *modtail = mod;
 940                 modtail = &mod->sml_next;
 941
 942                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 943                 mod->sml_op = mop;
 944                 mod->sml_type.bv_val = NULL;
 945                 mod->sml_desc = slap_schema.si_ad_modifiersName;
 946                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 947                 ber_dupbv( &mod->sml_values[0], &name );
 948                 mod->sml_values[1].bv_len = 0;
 949                 mod->sml_values[1].bv_val = NULL;
 950                 assert( mod->sml_values[0].bv_val );
 951                 mod->sml_nvalues =
 952                         (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 953                 ber_dupbv( &mod->sml_nvalues[0], &nname );
 954                 mod->sml_nvalues[1].bv_len = 0;
 955                 mod->sml_nvalues[1].bv_val = NULL;
 956                 assert( mod->sml_nvalues[0].bv_val );
 957                 *modtail = mod;
 958                 modtail = &mod->sml_next;
 959
 960                 mod = (Modifications *) ch_malloc( sizeof( Modifications ) );
 961                 mod->sml_op = mop;
 962                 mod->sml_type.bv_val = NULL;
 963                 mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 964                 mod->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
 965                 ber_dupbv( &mod->sml_values[0], &timestamp );
 966                 mod->sml_values[1].bv_len = 0;
 967                 mod->sml_values[1].bv_val = NULL;
 968                 assert( mod->sml_values[0].bv_val );
 969                 mod->sml_nvalues = NULL;
 970                 *modtail = mod;
 971                 modtail = &mod->sml_next;
 972         }
 973
 974         *modtail = NULL;
 975         return LDAP_SUCCESS;
 976 }
 977