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