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

   1 /* filter.c - routines for parsing and dealing with filters */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/string.h>
  14
  15 #include "slap.h"
  16
  17 static int      get_filter_list(
  18         Connection *conn,
  19         BerElement *ber,
  20         Filter **f,
  21         const char **text );
  22
  23 static int      get_substring_filter(
  24         Connection *conn,
  25         BerElement *ber,
  26         Filter *f,
  27         const char **text );
  28
  29 static int filter_escape_value(
  30         struct berval *in,
  31         struct berval *out );
  32
  33 int
  34 get_filter(
  35         Connection *conn,
  36         BerElement *ber,
  37         Filter **filt,
  38         const char **text )
  39 {
  40         ber_tag_t       tag;
  41         ber_len_t       len;
  42         int             err;
  43         Filter          *f;
  44
  45 #ifdef NEW_LOGGING
  46         LDAP_LOG(( "filter", LDAP_LEVEL_ENTRY, "get_filter: conn %d\n",
  47                 conn->c_connid ));
  48 #else
  49         Debug( LDAP_DEBUG_FILTER, "begin get_filter\n", 0, 0, 0 );
  50 #endif
  51         /*
  52          * A filter looks like this coming in:
  53          *      Filter ::= CHOICE {
  54          *              and             [0]     SET OF Filter,
  55          *              or              [1]     SET OF Filter,
  56          *              not             [2]     Filter,
  57          *              equalityMatch   [3]     AttributeValueAssertion,
  58          *              substrings      [4]     SubstringFilter,
  59          *              greaterOrEqual  [5]     AttributeValueAssertion,
  60          *              lessOrEqual     [6]     AttributeValueAssertion,
  61          *              present         [7]     AttributeType,,
  62          *              approxMatch     [8]     AttributeValueAssertion
  63          *              extensibleMatch [9] MatchingRuleAssertion
  64          *      }
  65          *
  66          *      SubstringFilter ::= SEQUENCE {
  67          *              type               AttributeType,
  68          *              SEQUENCE OF CHOICE {
  69          *                      initial          [0] IA5String,
  70          *                      any              [1] IA5String,
  71          *                      final            [2] IA5String
  72          *              }
  73          *      }
  74          *
  75          *      MatchingRuleAssertion ::= SEQUENCE {
  76          *              matchingRule    [1] MatchingRuleId OPTIONAL,
  77          *              type            [2] AttributeDescription OPTIONAL,
  78          *              matchValue      [3] AssertionValue,
  79          *              dnAttributes    [4] BOOLEAN DEFAULT FALSE
  80          *      }
  81          *
  82          */
  83
  84         tag = ber_peek_tag( ber, &len );
  85
  86         if( tag == LBER_ERROR ) {
  87                 *text = "error decoding filter";
  88                 return SLAPD_DISCONNECT;
  89         }
  90
  91         f = (Filter *) ch_malloc( sizeof(Filter) );
  92         f->f_next = NULL;
  93
  94         err = LDAP_SUCCESS;
  95         f->f_choice = tag;
  96
  97         switch ( f->f_choice ) {
  98         case LDAP_FILTER_EQUALITY:
  99 #ifdef NEW_LOGGING
 100                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL2,
 101                         "get_filter: conn %d  EQUALITY\n", conn->c_connid ));
 102 #else
 103                 Debug( LDAP_DEBUG_FILTER, "EQUALITY\n", 0, 0, 0 );
 104 #endif
 105                 err = get_ava( ber, &f->f_ava, SLAP_MR_EQUALITY, text );
 106                 if ( err != LDAP_SUCCESS ) {
 107                         break;
 108                 }
 109
 110                 assert( f->f_ava != NULL );
 111                 break;
 112
 113         case LDAP_FILTER_SUBSTRINGS:
 114 #ifdef NEW_LOGGING
 115                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 116                         "get_filter: conn %d  SUBSTRINGS\n", conn->c_connid ));
 117 #else
 118                 Debug( LDAP_DEBUG_FILTER, "SUBSTRINGS\n", 0, 0, 0 );
 119 #endif
 120                 err = get_substring_filter( conn, ber, f, text );
 121                 break;
 122
 123         case LDAP_FILTER_GE:
 124 #ifdef NEW_LOGGING
 125                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 126                         "get_filter: conn %d  GE\n", conn->c_connid ));
 127 #else
 128                 Debug( LDAP_DEBUG_FILTER, "GE\n", 0, 0, 0 );
 129 #endif
 130                 err = get_ava( ber, &f->f_ava, SLAP_MR_ORDERING, text );
 131                 if ( err != LDAP_SUCCESS ) {
 132                         break;
 133                 }
 134                 break;
 135
 136         case LDAP_FILTER_LE:
 137 #ifdef NEW_LOGGING
 138                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 139                         "get_filter: conn %d  LE\n", conn->c_connid ));
 140 #else
 141                 Debug( LDAP_DEBUG_FILTER, "LE\n", 0, 0, 0 );
 142 #endif
 143                 err = get_ava( ber, &f->f_ava, SLAP_MR_ORDERING, text );
 144                 if ( err != LDAP_SUCCESS ) {
 145                         break;
 146                 }
 147                 break;
 148
 149         case LDAP_FILTER_PRESENT: {
 150                 struct berval type;
 151
 152 #ifdef NEW_LOGGING
 153                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 154                         "get_filter: conn %d PRESENT\n", conn->c_connid ));
 155 #else
 156                 Debug( LDAP_DEBUG_FILTER, "PRESENT\n", 0, 0, 0 );
 157 #endif
 158                 if ( ber_scanf( ber, "m", &type ) == LBER_ERROR ) {
 159                         err = SLAPD_DISCONNECT;
 160                         *text = "error decoding filter";
 161                         break;
 162                 }
 163
 164                 f->f_desc = NULL;
 165                 err = slap_bv2ad( &type, &f->f_desc, text );
 166
 167                 if( err != LDAP_SUCCESS ) {
 168                         /* unrecognized attribute description or other error */
 169                         f->f_choice = SLAPD_FILTER_COMPUTED;
 170                         f->f_result = LDAP_COMPARE_FALSE;
 171                         err = LDAP_SUCCESS;
 172                         break;
 173                 }
 174                 } break;
 175
 176         case LDAP_FILTER_APPROX:
 177 #ifdef NEW_LOGGING
 178                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 179                         "get_filter: conn %d  APPROX\n", conn->c_connid ));
 180 #else
 181                 Debug( LDAP_DEBUG_FILTER, "APPROX\n", 0, 0, 0 );
 182 #endif
 183                 err = get_ava( ber, &f->f_ava, SLAP_MR_EQUALITY_APPROX, text );
 184                 if ( err != LDAP_SUCCESS ) {
 185                         break;
 186                 }
 187                 break;
 188
 189         case LDAP_FILTER_AND:
 190 #ifdef NEW_LOGGING
 191                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 192                         "get_filter: conn %d  AND\n", conn->c_connid ));
 193 #else
 194                 Debug( LDAP_DEBUG_FILTER, "AND\n", 0, 0, 0 );
 195 #endif
 196                 err = get_filter_list( conn, ber, &f->f_and, text );
 197                 if ( err != LDAP_SUCCESS ) {
 198                         break;
 199                 }
 200                 break;
 201
 202         case LDAP_FILTER_OR:
 203 #ifdef NEW_LOGGING
 204                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 205                         "get_filter: conn %d  OR\n", conn->c_connid  ));
 206 #else
 207                 Debug( LDAP_DEBUG_FILTER, "OR\n", 0, 0, 0 );
 208 #endif
 209                 err = get_filter_list( conn, ber, &f->f_or, text );
 210                 if ( err != LDAP_SUCCESS ) {
 211                         break;
 212                 }
 213                 break;
 214
 215         case LDAP_FILTER_NOT:
 216 #ifdef NEW_LOGGING
 217                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 218                         "get_filter: conn %d  NOT\n", conn->c_connid ));
 219 #else
 220                 Debug( LDAP_DEBUG_FILTER, "NOT\n", 0, 0, 0 );
 221 #endif
 222                 (void) ber_skip_tag( ber, &len );
 223                 err = get_filter( conn, ber, &f->f_not, text );
 224                 if ( err != LDAP_SUCCESS ) {
 225                         break;
 226                 }
 227                 break;
 228
 229         case LDAP_FILTER_EXT:
 230 #ifdef NEW_LOGGING
 231                 LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 232                         "get_filter: conn %d  EXTENSIBLE\n", conn->c_connid ));
 233 #else
 234                 Debug( LDAP_DEBUG_FILTER, "EXTENSIBLE\n", 0, 0, 0 );
 235 #endif
 236
 237                 err = get_mra( ber, &f->f_mra, text );
 238                 if ( err != LDAP_SUCCESS ) {
 239                         break;
 240                 }
 241
 242                 assert( f->f_mra != NULL );
 243
 244                 break;
 245
 246         default:
 247                 (void) ber_scanf( ber, "x" ); /* skip the element */
 248 #ifdef NEW_LOGGING
 249                 LDAP_LOG(( "filter", LDAP_LEVEL_ERR,
 250                         "get_filter: conn %d unknown filter type=%lu\n",
 251                         conn->c_connid, f->f_choice ));
 252 #else
 253                 Debug( LDAP_DEBUG_ANY, "get_filter: unknown filter type=%lu\n",
 254                         f->f_choice, 0, 0 );
 255 #endif
 256                 f->f_choice = SLAPD_FILTER_COMPUTED;
 257                 f->f_result = SLAPD_COMPARE_UNDEFINED;
 258                 break;
 259         }
 260
 261         if ( err != LDAP_SUCCESS ) {
 262                 if( err != SLAPD_DISCONNECT ) {
 263                         /* ignore error */
 264                         f->f_choice = SLAPD_FILTER_COMPUTED;
 265                         f->f_result = SLAPD_COMPARE_UNDEFINED;
 266                         err = LDAP_SUCCESS;
 267                         *filt = f;
 268
 269                 } else {
 270                         free(f);
 271                 }
 272         } else {
 273                 *filt = f;
 274         }
 275
 276 #ifdef NEW_LOGGING
 277         LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL2,
 278                 "get_filter: conn %d exit\n", conn->c_connid ));
 279 #else
 280         Debug( LDAP_DEBUG_FILTER, "end get_filter %d\n", err, 0, 0 );
 281 #endif
 282         return( err );
 283 }
 284
 285 static int
 286 get_filter_list( Connection *conn, BerElement *ber,
 287         Filter **f,
 288         const char **text )
 289 {
 290         Filter          **new;
 291         int             err;
 292         ber_tag_t       tag;
 293         ber_len_t       len;
 294         char            *last;
 295
 296 #ifdef NEW_LOGGING
 297         LDAP_LOG(( "filter", LDAP_LEVEL_ENTRY,
 298                 "get_filter_list: conn %d start\n", conn->c_connid ));
 299 #else
 300         Debug( LDAP_DEBUG_FILTER, "begin get_filter_list\n", 0, 0, 0 );
 301 #endif
 302         new = f;
 303         for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
 304                 tag = ber_next_element( ber, &len, last ) )
 305         {
 306                 err = get_filter( conn, ber, new, text );
 307                 if ( err != LDAP_SUCCESS )
 308                         return( err );
 309                 new = &(*new)->f_next;
 310         }
 311         *new = NULL;
 312
 313 #ifdef NEW_LOGGING
 314         LDAP_LOG(( "filter", LDAP_LEVEL_ENTRY,
 315                 "get_filter_list: conn %d exit\n", conn->c_connid ));
 316 #else
 317         Debug( LDAP_DEBUG_FILTER, "end get_filter_list\n", 0, 0, 0 );
 318 #endif
 319         return( LDAP_SUCCESS );
 320 }
 321
 322 static int
 323 get_substring_filter(
 324         Connection      *conn,
 325         BerElement      *ber,
 326         Filter  *f,
 327         const char      **text )
 328 {
 329         ber_tag_t       tag;
 330         ber_len_t       len;
 331         ber_tag_t       rc;
 332         struct berval value;
 333         struct berval escaped;
 334         char            *last;
 335         struct berval bv;
 336         *text = "error decoding filter";
 337
 338 #ifdef NEW_LOGGING
 339         LDAP_LOG(( "filter", LDAP_LEVEL_ENTRY,
 340                 "get_substring_filter: conn %d  begin\n", conn->c_connid ));
 341 #else
 342         Debug( LDAP_DEBUG_FILTER, "begin get_substring_filter\n", 0, 0, 0 );
 343 #endif
 344         if ( ber_scanf( ber, "{m" /*}*/, &bv ) == LBER_ERROR ) {
 345                 return SLAPD_DISCONNECT;
 346         }
 347
 348         f->f_sub = ch_calloc( 1, sizeof(SubstringsAssertion) );
 349         f->f_sub_desc = NULL;
 350         rc = slap_bv2ad( &bv, &f->f_sub_desc, text );
 351
 352         if( rc != LDAP_SUCCESS ) {
 353                 text = NULL;
 354                 ch_free( f->f_sub );
 355                 f->f_choice = SLAPD_FILTER_COMPUTED;
 356                 f->f_result = SLAPD_COMPARE_UNDEFINED;
 357                 return LDAP_SUCCESS;
 358         }
 359
 360         f->f_sub_initial.bv_val = NULL;
 361         f->f_sub_any = NULL;
 362         f->f_sub_final.bv_val = NULL;
 363
 364         for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
 365                 tag = ber_next_element( ber, &len, last ) )
 366         {
 367                 unsigned usage;
 368
 369                 rc = ber_scanf( ber, "m", &value );
 370                 if ( rc == LBER_ERROR ) {
 371                         rc = SLAPD_DISCONNECT;
 372                         goto return_error;
 373                 }
 374
 375                 if ( value.bv_val == NULL || value.bv_len == 0 ) {
 376                         rc = LDAP_INVALID_SYNTAX;
 377                         goto return_error;
 378                 }
 379
 380                 switch ( tag ) {
 381                 case LDAP_SUBSTRING_INITIAL:
 382                         usage = SLAP_MR_SUBSTR_INITIAL;
 383                         break;
 384
 385                 case LDAP_SUBSTRING_ANY:
 386                         usage = SLAP_MR_SUBSTR_ANY;
 387                         break;
 388
 389                 case LDAP_SUBSTRING_FINAL:
 390                         usage = SLAP_MR_SUBSTR_FINAL;
 391                         break;
 392
 393                 default:
 394                         rc = LDAP_PROTOCOL_ERROR;
 395
 396 #ifdef NEW_LOGGING
 397                         LDAP_LOG(( "filter", LDAP_LEVEL_ERR,
 398                                 "get_filter_substring: conn %d  unknown substring choice=%ld\n",
 399                                 conn->c_connid, (long)tag ));
 400 #else
 401                         Debug( LDAP_DEBUG_FILTER,
 402                                 "  unknown substring choice=%ld\n",
 403                                 (long) tag, 0, 0 );
 404 #endif
 405                         goto return_error;
 406                 }
 407
 408                 /* valiate using equality matching rule validator! */
 409                 rc = value_validate( f->f_sub_desc->ad_type->sat_equality,
 410                         &value, text );
 411                 if( rc != LDAP_SUCCESS ) {
 412                         goto return_error;
 413                 }
 414
 415                 rc = value_normalize( f->f_sub_desc, usage,
 416                         &value, &bv, text );
 417                 if( rc != LDAP_SUCCESS ) {
 418                         goto return_error;
 419                 }
 420
 421                 value = bv;
 422
 423                 rc = LDAP_PROTOCOL_ERROR;
 424
 425                 switch ( tag ) {
 426                 case LDAP_SUBSTRING_INITIAL:
 427 #ifdef NEW_LOGGING
 428                         LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 429                                 "get_substring_filter: conn %d  INITIAL\n",
 430                                 conn->c_connid ));
 431 #else
 432                         Debug( LDAP_DEBUG_FILTER, "  INITIAL\n", 0, 0, 0 );
 433 #endif
 434
 435                         if ( f->f_sub_initial.bv_val != NULL
 436                                 || f->f_sub_any != NULL
 437                                 || f->f_sub_final.bv_val != NULL )
 438                         {
 439                                 free( value.bv_val );
 440                                 goto return_error;
 441                         }
 442
 443                         f->f_sub_initial = value;
 444                         break;
 445
 446                 case LDAP_SUBSTRING_ANY:
 447 #ifdef NEW_LOGGING
 448                         LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 449                                 "get_substring_filter: conn %d  ANY\n",
 450                                 conn->c_connid ));
 451 #else
 452                         Debug( LDAP_DEBUG_FILTER, "  ANY\n", 0, 0, 0 );
 453 #endif
 454
 455                         if ( f->f_sub_final.bv_val != NULL ) {
 456                                 free( value.bv_val );
 457                                 goto return_error;
 458                         }
 459
 460                         ber_bvarray_add( &f->f_sub_any, &value );
 461                         break;
 462
 463                 case LDAP_SUBSTRING_FINAL:
 464 #ifdef NEW_LOGGING
 465                         LDAP_LOG(( "filter", LDAP_LEVEL_DETAIL1,
 466                                 "get_substring_filter: conn %d  FINAL\n",
 467                                 conn->c_connid ));
 468 #else
 469                         Debug( LDAP_DEBUG_FILTER, "  FINAL\n", 0, 0, 0 );
 470 #endif
 471
 472                         if ( f->f_sub_final.bv_val != NULL ) {
 473                                 free( value.bv_val );
 474                                 goto return_error;
 475                         }
 476
 477                         f->f_sub_final = value;
 478                         break;
 479
 480                 default:
 481 #ifdef NEW_LOGGING
 482                         LDAP_LOG(( "filter", LDAP_LEVEL_INFO,
 483                                 "get_substring_filter: conn %d  unknown substring type %ld\n",
 484                                 conn->c_connid, (long)tag ));
 485 #else
 486                         Debug( LDAP_DEBUG_FILTER,
 487                                 "  unknown substring type=%ld\n",
 488                                 (long) tag, 0, 0 );
 489 #endif
 490
 491                         free( value.bv_val );
 492
 493 return_error:
 494 #ifdef NEW_LOGGING
 495                         LDAP_LOG(( "filter", LDAP_LEVEL_INFO,
 496                                 "get_substring_filter: conn %d  error %ld\n",
 497                                 conn->c_connid, (long)rc ));
 498 #else
 499                         Debug( LDAP_DEBUG_FILTER, "  error=%ld\n",
 500                                 (long) rc, 0, 0 );
 501 #endif
 502                         free( f->f_sub_initial.bv_val );
 503                         ber_bvarray_free( f->f_sub_any );
 504                         free( f->f_sub_final.bv_val );
 505                         ch_free( f->f_sub );
 506                         return rc;
 507                 }
 508         }
 509
 510 #ifdef NEW_LOGGING
 511         LDAP_LOG(( "filter", LDAP_LEVEL_ENTRY,
 512                 "get_substring_filter: conn %d exit\n", conn->c_connid ));
 513 #else
 514         Debug( LDAP_DEBUG_FILTER, "end get_substring_filter\n", 0, 0, 0 );
 515 #endif
 516         return( LDAP_SUCCESS );
 517 }
 518
 519 void
 520 filter_free( Filter *f )
 521 {
 522         Filter  *p, *next;
 523
 524         if ( f == NULL ) {
 525                 return;
 526         }
 527
 528         switch ( f->f_choice ) {
 529         case LDAP_FILTER_PRESENT:
 530                 break;
 531
 532         case LDAP_FILTER_EQUALITY:
 533         case LDAP_FILTER_GE:
 534         case LDAP_FILTER_LE:
 535         case LDAP_FILTER_APPROX:
 536                 ava_free( f->f_ava, 1 );
 537                 break;
 538
 539         case LDAP_FILTER_SUBSTRINGS:
 540                 if ( f->f_sub_initial.bv_val != NULL ) {
 541                         free( f->f_sub_initial.bv_val );
 542                 }
 543                 ber_bvarray_free( f->f_sub_any );
 544                 if ( f->f_sub_final.bv_val != NULL ) {
 545                         free( f->f_sub_final.bv_val );
 546                 }
 547                 ch_free( f->f_sub );
 548                 break;
 549
 550         case LDAP_FILTER_AND:
 551         case LDAP_FILTER_OR:
 552         case LDAP_FILTER_NOT:
 553                 for ( p = f->f_list; p != NULL; p = next ) {
 554                         next = p->f_next;
 555                         filter_free( p );
 556                 }
 557                 break;
 558
 559         case LDAP_FILTER_EXT:
 560                 mra_free( f->f_mra, 1 );
 561                 break;
 562
 563         case SLAPD_FILTER_COMPUTED:
 564                 break;
 565
 566         default:
 567 #ifdef NEW_LOGGING
 568                 LDAP_LOG(( "filter", LDAP_LEVEL_ERR,
 569                         "filter_free: unknown filter type %lu\n", f->f_choice ));
 570 #else
 571                 Debug( LDAP_DEBUG_ANY, "filter_free: unknown filter type=%lu\n",
 572                         f->f_choice, 0, 0 );
 573 #endif
 574                 break;
 575         }
 576
 577         free( f );
 578 }
 579
 580 #ifdef LDAP_DEBUG
 581 void
 582 filter_print( Filter *f )
 583 {
 584         int     i;
 585         Filter  *p;
 586         struct berval escaped;
 587
 588         if ( f == NULL ) {
 589                 fprintf( stderr, "No filter!" );
 590         }
 591
 592         switch ( f->f_choice ) {
 593         case LDAP_FILTER_EQUALITY:
 594                 filter_escape_value( &f->f_av_value, &escaped );
 595                 fprintf( stderr, "(%s=%s)",
 596                         f->f_av_desc->ad_cname.bv_val,
 597                         escaped.bv_val );
 598                 ber_memfree( escaped.bv_val );
 599                 break;
 600
 601         case LDAP_FILTER_GE:
 602                 filter_escape_value( &f->f_av_value, &escaped );
 603                 fprintf( stderr, "(%s>=%s)",
 604                         f->f_av_desc->ad_cname.bv_val,
 605                         escaped.bv_val );
 606                 ber_memfree( escaped.bv_val );
 607                 break;
 608
 609         case LDAP_FILTER_LE:
 610                 filter_escape_value( &f->f_av_value, &escaped );
 611                 fprintf( stderr, "(%s<=%s)",
 612                         f->f_ava->aa_desc->ad_cname.bv_val,
 613                         escaped.bv_val );
 614                 ber_memfree( escaped.bv_val );
 615                 break;
 616
 617         case LDAP_FILTER_APPROX:
 618                 filter_escape_value( &f->f_av_value, &escaped );
 619                 fprintf( stderr, "(%s~=%s)",
 620                         f->f_ava->aa_desc->ad_cname.bv_val,
 621                         escaped.bv_val );
 622                 ber_memfree( escaped.bv_val );
 623                 break;
 624
 625         case LDAP_FILTER_SUBSTRINGS:
 626                 fprintf( stderr, "(%s=" /*)*/,
 627                         f->f_sub_desc->ad_cname.bv_val );
 628                 if ( f->f_sub_initial.bv_val != NULL ) {
 629                         filter_escape_value( &f->f_sub_initial, &escaped );
 630                         fprintf( stderr, "%s",
 631                                 escaped.bv_val );
 632                         ber_memfree( escaped.bv_val );
 633                 }
 634                 if ( f->f_sub_any != NULL ) {
 635                         for ( i = 0; f->f_sub_any[i].bv_val != NULL; i++ ) {
 636                                 filter_escape_value( &f->f_sub_any[i], &escaped );
 637                                 fprintf( stderr, "*%s",
 638                                         escaped.bv_val );
 639                                 ber_memfree( escaped.bv_val );
 640                         }
 641                 }
 642                 if ( f->f_sub_final.bv_val != NULL ) {
 643                         filter_escape_value( &f->f_sub_final, &escaped );
 644                         fprintf( stderr,
 645                                 "*%s", escaped.bv_val );
 646                         ber_memfree( escaped.bv_val );
 647                 }
 648                 fprintf( stderr, /*(*/ ")" );
 649                 break;
 650
 651         case LDAP_FILTER_PRESENT:
 652                 fprintf( stderr, "(%s=*)",
 653                         f->f_desc->ad_cname.bv_val );
 654                 break;
 655
 656         case LDAP_FILTER_AND:
 657         case LDAP_FILTER_OR:
 658         case LDAP_FILTER_NOT:
 659                 fprintf( stderr, "(%c" /*)*/,
 660                         f->f_choice == LDAP_FILTER_AND ? '&' :
 661                         f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
 662                 for ( p = f->f_list; p != NULL; p = p->f_next ) {
 663                         filter_print( p );
 664                 }
 665                 fprintf( stderr, /*(*/ ")" );
 666                 break;
 667
 668         case SLAPD_FILTER_COMPUTED:
 669                 fprintf( stderr, "(?=%s)",
 670                         f->f_result == LDAP_COMPARE_FALSE ? "false" :
 671                         f->f_result == LDAP_COMPARE_TRUE ? "true" :
 672                         f->f_result == SLAPD_COMPARE_UNDEFINED ? "undefined" :
 673                         "error" );
 674                 break;
 675
 676         default:
 677                 fprintf( stderr, "(unknown-filter=%lu)", f->f_choice );
 678                 break;
 679         }
 680 }
 681 #endif /* ldap_debug */
 682
 683 void
 684 filter2bv( Filter *f, struct berval *fstr )
 685 {
 686         int     i;
 687         Filter  *p;
 688         struct berval tmp;
 689         ber_len_t len;
 690
 691         if ( f == NULL ) {
 692                 ber_str2bv( "No filter!", sizeof("No filter!")-1, 1, fstr );
 693                 return;
 694         }
 695
 696         switch ( f->f_choice ) {
 697         case LDAP_FILTER_EQUALITY:
 698                 filter_escape_value( &f->f_av_value, &tmp );
 699
 700                 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
 701                         tmp.bv_len + ( sizeof("(=)") - 1 );
 702                 fstr->bv_val = malloc( fstr->bv_len + 1 );
 703
 704                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
 705                         f->f_av_desc->ad_cname.bv_val,
 706                         tmp.bv_val );
 707
 708                 ber_memfree( tmp.bv_val );
 709                 break;
 710
 711         case LDAP_FILTER_GE:
 712                 filter_escape_value( &f->f_av_value, &tmp );
 713
 714                 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
 715                         tmp.bv_len + ( sizeof("(>=)") - 1 );
 716                 fstr->bv_val = malloc( fstr->bv_len + 1 );
 717
 718                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
 719                         f->f_av_desc->ad_cname.bv_val,
 720                         tmp.bv_val );
 721
 722                 ber_memfree( tmp.bv_val );
 723                 break;
 724
 725         case LDAP_FILTER_LE:
 726                 filter_escape_value( &f->f_av_value, &tmp );
 727
 728                 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
 729                         tmp.bv_len + ( sizeof("(<=)") - 1 );
 730                 fstr->bv_val = malloc( fstr->bv_len + 1 );
 731
 732                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
 733                         f->f_av_desc->ad_cname.bv_val,
 734                         tmp.bv_val );
 735
 736                 ber_memfree( tmp.bv_val );
 737                 break;
 738
 739         case LDAP_FILTER_APPROX:
 740                 filter_escape_value( &f->f_av_value, &tmp );
 741
 742                 fstr->bv_len = f->f_av_desc->ad_cname.bv_len +
 743                         tmp.bv_len + ( sizeof("(~=)") - 1 );
 744                 fstr->bv_val = malloc( fstr->bv_len + 1 );
 745
 746                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
 747                         f->f_av_desc->ad_cname.bv_val,
 748                         tmp.bv_val );
 749                 ber_memfree( tmp.bv_val );
 750                 break;
 751
 752         case LDAP_FILTER_SUBSTRINGS:
 753                 fstr->bv_len = f->f_sub_desc->ad_cname.bv_len +
 754                         ( sizeof("(=*)") - 1 );
 755                 fstr->bv_val = malloc( fstr->bv_len + 128 );
 756
 757                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
 758                         f->f_sub_desc->ad_cname.bv_val );
 759
 760                 if ( f->f_sub_initial.bv_val != NULL ) {
 761                         len = fstr->bv_len;
 762
 763                         filter_escape_value( &f->f_sub_initial, &tmp );
 764
 765                         fstr->bv_len += tmp.bv_len;
 766                         fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
 767
 768                         snprintf( &fstr->bv_val[len-2], tmp.bv_len+3,
 769                                 /* "(attr=" */ "%s*)",
 770                                 tmp.bv_val );
 771
 772                         ber_memfree( tmp.bv_val );
 773                 }
 774
 775                 if ( f->f_sub_any != NULL ) {
 776                         for ( i = 0; f->f_sub_any[i].bv_val != NULL; i++ ) {
 777                                 len = fstr->bv_len;
 778                                 filter_escape_value( &f->f_sub_any[i], &tmp );
 779
 780                                 fstr->bv_len += tmp.bv_len + 1;
 781                                 fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
 782
 783                                 snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
 784                                         /* "(attr=[init]*[any*]" */ "%s*)",
 785                                         tmp.bv_val );
 786                                 ber_memfree( tmp.bv_val );
 787                         }
 788                 }
 789
 790                 if ( f->f_sub_final.bv_val != NULL ) {
 791                         len = fstr->bv_len;
 792
 793                         filter_escape_value( &f->f_sub_final, &tmp );
 794
 795                         fstr->bv_len += tmp.bv_len;
 796                         fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
 797
 798                         snprintf( &fstr->bv_val[len-1], tmp.bv_len+3,
 799                                 /* "(attr=[init*][any*]" */ "%s)",
 800                                 tmp.bv_val );
 801
 802                         ber_memfree( tmp.bv_val );
 803                 }
 804
 805                 break;
 806
 807         case LDAP_FILTER_PRESENT:
 808                 fstr->bv_len = f->f_desc->ad_cname.bv_len +
 809                         ( sizeof("(=*)") - 1 );
 810                 fstr->bv_val = malloc( fstr->bv_len + 1 );
 811
 812                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
 813                         f->f_desc->ad_cname.bv_val );
 814                 break;
 815
 816         case LDAP_FILTER_AND:
 817         case LDAP_FILTER_OR:
 818         case LDAP_FILTER_NOT:
 819                 fstr->bv_len = sizeof("(%)") - 1;
 820                 fstr->bv_val = malloc( fstr->bv_len + 128 );
 821
 822                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%c)",
 823                         f->f_choice == LDAP_FILTER_AND ? '&' :
 824                         f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
 825
 826                 for ( p = f->f_list; p != NULL; p = p->f_next ) {
 827                         len = fstr->bv_len;
 828
 829                         filter2bv( p, &tmp );
 830
 831                         fstr->bv_len += tmp.bv_len;
 832                         fstr->bv_val = ch_realloc( fstr->bv_val, fstr->bv_len + 1 );
 833
 834                         snprintf( &fstr->bv_val[len-1], tmp.bv_len + 2,
 835                                 /*"("*/ "%s)", tmp.bv_val );
 836
 837                         ch_free( tmp.bv_val );
 838                 }
 839
 840                 break;
 841
 842         case SLAPD_FILTER_COMPUTED:
 843                 ber_str2bv(
 844                         f->f_result == LDAP_COMPARE_FALSE ? "(?=false)" :
 845                         f->f_result == LDAP_COMPARE_TRUE ? "(?=true)" :
 846                         f->f_result == SLAPD_COMPARE_UNDEFINED ? "(?=undefined)" :
 847                         "(?=error)",
 848                         f->f_result == LDAP_COMPARE_FALSE ? sizeof("(?=false)")-1 :
 849                         f->f_result == LDAP_COMPARE_TRUE ? sizeof("(?=true)")-1 :
 850                         f->f_result == SLAPD_COMPARE_UNDEFINED ? sizeof("(?=undefined)")-1 :
 851                         sizeof("(?=error)")-1,
 852                         1, fstr );
 853                 break;
 854
 855         default:
 856                 ber_str2bv( "(?=unknown)", sizeof("(?=unknown)")-1, 1, fstr );
 857                 break;
 858         }
 859 }
 860
 861 static int filter_escape_value(
 862         struct berval *in,
 863         struct berval *out )
 864 {
 865         ber_len_t i;
 866         assert( in );
 867         assert( out );
 868
 869         out->bv_val = (char *) ch_malloc( ( in->bv_len * 3 ) + 1 );
 870         out->bv_len = 0;
 871
 872         for( i=0; i < in->bv_len ; i++ ) {
 873                 if( FILTER_ESCAPE(in->bv_val[i]) ) {
 874                         out->bv_val[out->bv_len++] = SLAP_ESCAPE_CHAR;
 875                         out->bv_val[out->bv_len++] = SLAP_ESCAPE_HI( in->bv_val[i] );
 876                         out->bv_val[out->bv_len++] = SLAP_ESCAPE_LO( in->bv_val[i] );
 877                 } else {
 878                         out->bv_val[out->bv_len++] = in->bv_val[i];
 879                 }
 880         }
 881
 882         out->bv_val[out->bv_len] = '\0';
 883         return LDAP_SUCCESS;
 884 }