external/bsd/openldap/dist/libraries/libldap/options.c

   1 /* $OpenLDAP: pkg/ldap/libraries/libldap/options.c,v 1.75.2.6 2008/02/11 23:26:41 kurt Exp $ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2008 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15
  16 #include "portable.h"
  17
  18 #include <stdio.h>
  19
  20 #include <ac/stdlib.h>
  21
  22 #include <ac/socket.h>
  23 #include <ac/string.h>
  24 #include <ac/time.h>
  25
  26 #include "ldap-int.h"
  27
  28 #define LDAP_OPT_REBIND_PROC 0x4e814d
  29 #define LDAP_OPT_REBIND_PARAMS 0x4e814e
  30
  31 #define LDAP_OPT_NEXTREF_PROC 0x4e815d
  32 #define LDAP_OPT_NEXTREF_PARAMS 0x4e815e
  33
  34 #define LDAP_OPT_URLLIST_PROC 0x4e816d
  35 #define LDAP_OPT_URLLIST_PARAMS 0x4e816e
  36
  37 static const LDAPAPIFeatureInfo features[] = {
  38 #ifdef LDAP_API_FEATURE_X_OPENLDAP
  39         {       /* OpenLDAP Extensions API Feature */
  40                 LDAP_FEATURE_INFO_VERSION,
  41                 "X_OPENLDAP",
  42                 LDAP_API_FEATURE_X_OPENLDAP
  43         },
  44 #endif
  45
  46 #ifdef LDAP_API_FEATURE_THREAD_SAFE
  47         {       /* Basic Thread Safe */
  48                 LDAP_FEATURE_INFO_VERSION,
  49                 "THREAD_SAFE",
  50                 LDAP_API_FEATURE_THREAD_SAFE
  51         },
  52 #endif
  53 #ifdef LDAP_API_FEATURE_SESSION_THREAD_SAFE
  54         {       /* Session Thread Safe */
  55                 LDAP_FEATURE_INFO_VERSION,
  56                 "SESSION_THREAD_SAFE",
  57                 LDAP_API_FEATURE_SESSION_THREAD_SAFE
  58         },
  59 #endif
  60 #ifdef LDAP_API_FEATURE_OPERATION_THREAD_SAFE
  61         {       /* Operation Thread Safe */
  62                 LDAP_FEATURE_INFO_VERSION,
  63                 "OPERATION_THREAD_SAFE",
  64                 LDAP_API_FEATURE_OPERATION_THREAD_SAFE
  65         },
  66 #endif
  67 #ifdef LDAP_API_FEATURE_X_OPENLDAP_REENTRANT
  68         {       /* OpenLDAP Reentrant */
  69                 LDAP_FEATURE_INFO_VERSION,
  70                 "X_OPENLDAP_REENTRANT",
  71                 LDAP_API_FEATURE_X_OPENLDAP_REENTRANT
  72         },
  73 #endif
  74 #if defined( LDAP_API_FEATURE_X_OPENLDAP_THREAD_SAFE ) && \
  75         defined( LDAP_THREAD_SAFE )
  76         {       /* OpenLDAP Thread Safe */
  77                 LDAP_FEATURE_INFO_VERSION,
  78                 "X_OPENLDAP_THREAD_SAFE",
  79                 LDAP_API_FEATURE_X_OPENLDAP_THREAD_SAFE
  80         },
  81 #endif
  82 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
  83         {       /* V2 Referrals */
  84                 LDAP_FEATURE_INFO_VERSION,
  85                 "X_OPENLDAP_V2_REFERRALS",
  86                 LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
  87         },
  88 #endif
  89         {0, NULL, 0}
  90 };
  91
  92 int
  93 ldap_get_option(
  94         LDAP    *ld,
  95         int             option,
  96         void    *outvalue)
  97 {
  98         struct ldapoptions *lo;
  99
 100         /* Get pointer to global option structure */
 101         lo = LDAP_INT_GLOBAL_OPT();
 102         if (NULL == lo) {
 103                 return LDAP_NO_MEMORY;
 104         }
 105
 106         if( lo->ldo_valid != LDAP_INITIALIZED ) {
 107                 ldap_int_initialize(lo, NULL);
 108         }
 109
 110         if(ld != NULL) {
 111                 assert( LDAP_VALID( ld ) );
 112
 113                 if( !LDAP_VALID( ld ) ) {
 114                         return LDAP_OPT_ERROR;
 115                 }
 116
 117                 lo = &ld->ld_options;
 118         }
 119
 120         if(outvalue == NULL) {
 121                 /* no place to get to */
 122                 return LDAP_OPT_ERROR;
 123         }
 124
 125         switch(option) {
 126         case LDAP_OPT_API_INFO: {
 127                         struct ldapapiinfo *info = (struct ldapapiinfo *) outvalue;
 128
 129                         if(info == NULL) {
 130                                 /* outvalue must point to an apiinfo structure */
 131                                 return LDAP_OPT_ERROR;
 132                         }
 133
 134                         if(info->ldapai_info_version != LDAP_API_INFO_VERSION) {
 135                                 /* api info version mismatch */
 136                                 info->ldapai_info_version = LDAP_API_INFO_VERSION;
 137                                 return LDAP_OPT_ERROR;
 138                         }
 139
 140                         info->ldapai_api_version = LDAP_API_VERSION;
 141                         info->ldapai_protocol_version = LDAP_VERSION_MAX;
 142
 143                         if(features[0].ldapaif_name == NULL) {
 144                                 info->ldapai_extensions = NULL;
 145                         } else {
 146                                 int i;
 147                                 info->ldapai_extensions = LDAP_MALLOC(sizeof(char *) *
 148                                         sizeof(features)/sizeof(LDAPAPIFeatureInfo));
 149
 150                                 for(i=0; features[i].ldapaif_name != NULL; i++) {
 151                                         info->ldapai_extensions[i] =
 152                                                 LDAP_STRDUP(features[i].ldapaif_name);
 153                                 }
 154
 155                                 info->ldapai_extensions[i] = NULL;
 156                         }
 157
 158                         info->ldapai_vendor_name = LDAP_STRDUP(LDAP_VENDOR_NAME);
 159                         info->ldapai_vendor_version = LDAP_VENDOR_VERSION;
 160
 161                         return LDAP_OPT_SUCCESS;
 162                 } break;
 163
 164         case LDAP_OPT_DESC:
 165                 if( ld == NULL || ld->ld_sb == NULL ) {
 166                         /* bad param */
 167                         break;
 168                 }
 169
 170                 ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, outvalue );
 171                 return LDAP_OPT_SUCCESS;
 172
 173         case LDAP_OPT_SOCKBUF:
 174                 if( ld == NULL ) break;
 175                 *(Sockbuf **)outvalue = ld->ld_sb;
 176                 return LDAP_OPT_SUCCESS;
 177
 178         case LDAP_OPT_TIMEOUT:
 179                 /* the caller has to free outvalue ! */
 180                 if ( lo->ldo_tm_api.tv_sec < 0 ) {
 181                         *(void **)outvalue = NULL;
 182                 } else if ( ldap_int_timeval_dup( outvalue, &lo->ldo_tm_api ) != 0 ) {
 183                         return LDAP_OPT_ERROR;
 184                 }
 185                 return LDAP_OPT_SUCCESS;
 186
 187         case LDAP_OPT_NETWORK_TIMEOUT:
 188                 /* the caller has to free outvalue ! */
 189                 if ( lo->ldo_tm_net.tv_sec < 0 ) {
 190                         *(void **)outvalue = NULL;
 191                 } else if ( ldap_int_timeval_dup( outvalue, &lo->ldo_tm_net ) != 0 ) {
 192                         return LDAP_OPT_ERROR;
 193                 }
 194                 return LDAP_OPT_SUCCESS;
 195
 196         case LDAP_OPT_DEREF:
 197                 * (int *) outvalue = lo->ldo_deref;
 198                 return LDAP_OPT_SUCCESS;
 199
 200         case LDAP_OPT_SIZELIMIT:
 201                 * (int *) outvalue = lo->ldo_sizelimit;
 202                 return LDAP_OPT_SUCCESS;
 203
 204         case LDAP_OPT_TIMELIMIT:
 205                 * (int *) outvalue = lo->ldo_timelimit;
 206                 return LDAP_OPT_SUCCESS;
 207
 208         case LDAP_OPT_REFERRALS:
 209                 * (int *) outvalue = (int) LDAP_BOOL_GET(lo, LDAP_BOOL_REFERRALS);
 210                 return LDAP_OPT_SUCCESS;
 211
 212         case LDAP_OPT_RESTART:
 213                 * (int *) outvalue = (int) LDAP_BOOL_GET(lo, LDAP_BOOL_RESTART);
 214                 return LDAP_OPT_SUCCESS;
 215
 216         case LDAP_OPT_PROTOCOL_VERSION:
 217                 * (int *) outvalue = lo->ldo_version;
 218                 return LDAP_OPT_SUCCESS;
 219
 220         case LDAP_OPT_SERVER_CONTROLS:
 221                 * (LDAPControl ***) outvalue =
 222                         ldap_controls_dup( lo->ldo_sctrls );
 223
 224                 return LDAP_OPT_SUCCESS;
 225
 226         case LDAP_OPT_CLIENT_CONTROLS:
 227                 * (LDAPControl ***) outvalue =
 228                         ldap_controls_dup( lo->ldo_cctrls );
 229
 230                 return LDAP_OPT_SUCCESS;
 231
 232         case LDAP_OPT_HOST_NAME:
 233                 * (char **) outvalue = ldap_url_list2hosts(lo->ldo_defludp);
 234                 return LDAP_OPT_SUCCESS;
 235
 236         case LDAP_OPT_URI:
 237                 * (char **) outvalue = ldap_url_list2urls(lo->ldo_defludp);
 238                 return LDAP_OPT_SUCCESS;
 239
 240         case LDAP_OPT_DEFBASE:
 241                 if( lo->ldo_defbase == NULL ) {
 242                         * (char **) outvalue = NULL;
 243                 } else {
 244                         * (char **) outvalue = LDAP_STRDUP(lo->ldo_defbase);
 245                 }
 246
 247                 return LDAP_OPT_SUCCESS;
 248
 249         case LDAP_OPT_CONNECT_ASYNC:
 250                 * (int *) outvalue = (int) LDAP_BOOL_GET(lo, LDAP_BOOL_CONNECT_ASYNC);
 251                 return LDAP_OPT_SUCCESS;
 252
 253         case LDAP_OPT_RESULT_CODE:
 254                 if(ld == NULL) {
 255                         /* bad param */
 256                         break;
 257                 }
 258                 * (int *) outvalue = ld->ld_errno;
 259                 return LDAP_OPT_SUCCESS;
 260
 261         case LDAP_OPT_DIAGNOSTIC_MESSAGE:
 262                 if(ld == NULL) {
 263                         /* bad param */
 264                         break;
 265                 }
 266
 267                 if( ld->ld_error == NULL ) {
 268                         * (char **) outvalue = NULL;
 269                 } else {
 270                         * (char **) outvalue = LDAP_STRDUP(ld->ld_error);
 271                 }
 272
 273                 return LDAP_OPT_SUCCESS;
 274
 275         case LDAP_OPT_MATCHED_DN:
 276                 if(ld == NULL) {
 277                         /* bad param */
 278                         break;
 279                 }
 280
 281                 if( ld->ld_matched == NULL ) {
 282                         * (char **) outvalue = NULL;
 283                 } else {
 284                         * (char **) outvalue = LDAP_STRDUP( ld->ld_matched );
 285                 }
 286
 287                 return LDAP_OPT_SUCCESS;
 288
 289         case LDAP_OPT_REFERRAL_URLS:
 290                 if(ld == NULL) {
 291                         /* bad param */
 292                         break;
 293                 }
 294
 295                 if( ld->ld_referrals == NULL ) {
 296                         * (char ***) outvalue = NULL;
 297                 } else {
 298                         * (char ***) outvalue = ldap_value_dup(ld->ld_referrals);
 299                 }
 300
 301                 return LDAP_OPT_SUCCESS;
 302
 303         case LDAP_OPT_API_FEATURE_INFO: {
 304                         LDAPAPIFeatureInfo *info = (LDAPAPIFeatureInfo *) outvalue;
 305                         int i;
 306
 307                         if(info == NULL) return LDAP_OPT_ERROR;
 308
 309                         if(info->ldapaif_info_version != LDAP_FEATURE_INFO_VERSION) {
 310                                 /* api info version mismatch */
 311                                 info->ldapaif_info_version = LDAP_FEATURE_INFO_VERSION;
 312                                 return LDAP_OPT_ERROR;
 313                         }
 314
 315                         if(info->ldapaif_name == NULL) return LDAP_OPT_ERROR;
 316
 317                         for(i=0; features[i].ldapaif_name != NULL; i++) {
 318                                 if(!strcmp(info->ldapaif_name, features[i].ldapaif_name)) {
 319                                         info->ldapaif_version =
 320                                                 features[i].ldapaif_version;
 321                                         return LDAP_OPT_SUCCESS;
 322                                 }
 323                         }
 324                 }
 325                 break;
 326
 327         case LDAP_OPT_DEBUG_LEVEL:
 328                 * (int *) outvalue = lo->ldo_debug;
 329                 return LDAP_OPT_SUCCESS;
 330
 331         default:
 332 #ifdef HAVE_TLS
 333                 if ( ldap_pvt_tls_get_option( ld, option, outvalue ) == 0 ) {
 334                         return LDAP_OPT_SUCCESS;
 335                 }
 336 #endif
 337 #ifdef HAVE_CYRUS_SASL
 338                 if ( ldap_int_sasl_get_option( ld, option, outvalue ) == 0 ) {
 339                         return LDAP_OPT_SUCCESS;
 340                 }
 341 #endif
 342                 /* bad param */
 343                 break;
 344         }
 345
 346         return LDAP_OPT_ERROR;
 347 }
 348
 349 int
 350 ldap_set_option(
 351         LDAP    *ld,
 352         int             option,
 353         LDAP_CONST void *invalue)
 354 {
 355         struct ldapoptions *lo;
 356         int *dbglvl = NULL;
 357
 358         /* Get pointer to global option structure */
 359         lo = LDAP_INT_GLOBAL_OPT();
 360         if (lo == NULL) {
 361                 return LDAP_NO_MEMORY;
 362         }
 363
 364         /*
 365          * The architecture to turn on debugging has a chicken and egg
 366          * problem. Thus, we introduce a fix here.
 367          */
 368
 369         if (option == LDAP_OPT_DEBUG_LEVEL) {
 370                 dbglvl = (int *) invalue;
 371         }
 372
 373         if( lo->ldo_valid != LDAP_INITIALIZED ) {
 374                 ldap_int_initialize(lo, dbglvl);
 375         }
 376
 377         if(ld != NULL) {
 378                 assert( LDAP_VALID( ld ) );
 379
 380                 if( !LDAP_VALID( ld ) ) {
 381                         return LDAP_OPT_ERROR;
 382                 }
 383
 384                 lo = &ld->ld_options;
 385         }
 386
 387         switch(option) {
 388         case LDAP_OPT_REFERRALS:
 389                 if(invalue == LDAP_OPT_OFF) {
 390                         LDAP_BOOL_CLR(lo, LDAP_BOOL_REFERRALS);
 391                 } else {
 392                         LDAP_BOOL_SET(lo, LDAP_BOOL_REFERRALS);
 393                 }
 394                 return LDAP_OPT_SUCCESS;
 395
 396         case LDAP_OPT_RESTART:
 397                 if(invalue == LDAP_OPT_OFF) {
 398                         LDAP_BOOL_CLR(lo, LDAP_BOOL_RESTART);
 399                 } else {
 400                         LDAP_BOOL_SET(lo, LDAP_BOOL_RESTART);
 401                 }
 402                 return LDAP_OPT_SUCCESS;
 403
 404         case LDAP_OPT_CONNECT_ASYNC:
 405                 if(invalue == LDAP_OPT_OFF) {
 406                         LDAP_BOOL_CLR(lo, LDAP_BOOL_CONNECT_ASYNC);
 407                 } else {
 408                         LDAP_BOOL_SET(lo, LDAP_BOOL_CONNECT_ASYNC);
 409                 }
 410                 return LDAP_OPT_SUCCESS;
 411         }
 412
 413         /* options which can withstand invalue == NULL */
 414         switch ( option ) {
 415         case LDAP_OPT_SERVER_CONTROLS: {
 416                         LDAPControl *const *controls =
 417                                 (LDAPControl *const *) invalue;
 418
 419                         if( lo->ldo_sctrls )
 420                                 ldap_controls_free( lo->ldo_sctrls );
 421
 422                         if( controls == NULL || *controls == NULL ) {
 423                                 lo->ldo_sctrls = NULL;
 424                                 return LDAP_OPT_SUCCESS;
 425                         }
 426
 427                         lo->ldo_sctrls = ldap_controls_dup( controls );
 428
 429                         if(lo->ldo_sctrls == NULL) {
 430                                 /* memory allocation error ? */
 431                                 break;
 432                         }
 433                 } return LDAP_OPT_SUCCESS;
 434
 435         case LDAP_OPT_CLIENT_CONTROLS: {
 436                         LDAPControl *const *controls =
 437                                 (LDAPControl *const *) invalue;
 438
 439                         if( lo->ldo_cctrls )
 440                                 ldap_controls_free( lo->ldo_cctrls );
 441
 442                         if( controls == NULL || *controls == NULL ) {
 443                                 lo->ldo_cctrls = NULL;
 444                                 return LDAP_OPT_SUCCESS;
 445                         }
 446
 447                         lo->ldo_cctrls = ldap_controls_dup( controls );
 448
 449                         if(lo->ldo_cctrls == NULL) {
 450                                 /* memory allocation error ? */
 451                                 break;
 452                         }
 453                 } return LDAP_OPT_SUCCESS;
 454
 455
 456         case LDAP_OPT_HOST_NAME: {
 457                         const char *host = (const char *) invalue;
 458                         LDAPURLDesc *ludlist = NULL;
 459                         int rc = LDAP_OPT_SUCCESS;
 460
 461                         if(host != NULL) {
 462                                 rc = ldap_url_parsehosts( &ludlist, host,
 463                                         lo->ldo_defport ? lo->ldo_defport : LDAP_PORT );
 464
 465                         } else if(ld == NULL) {
 466                                 /*
 467                                  * must want global default returned
 468                                  * to initial condition.
 469                                  */
 470                                 rc = ldap_url_parselist_ext(&ludlist, "ldap://localhost/", NULL,
 471                                         LDAP_PVT_URL_PARSE_NOEMPTY_HOST
 472                                         | LDAP_PVT_URL_PARSE_DEF_PORT );
 473
 474                         } else {
 475                                 /*
 476                                  * must want the session default
 477                                  *   updated to the current global default
 478                                  */
 479                                 ludlist = ldap_url_duplist(
 480                                         ldap_int_global_options.ldo_defludp);
 481                                 if (ludlist == NULL)
 482                                         rc = LDAP_NO_MEMORY;
 483                         }
 484
 485                         if (rc == LDAP_OPT_SUCCESS) {
 486                                 if (lo->ldo_defludp != NULL)
 487                                         ldap_free_urllist(lo->ldo_defludp);
 488                                 lo->ldo_defludp = ludlist;
 489                         }
 490                         return rc;
 491                 }
 492
 493         case LDAP_OPT_URI: {
 494                         const char *urls = (const char *) invalue;
 495                         LDAPURLDesc *ludlist = NULL;
 496                         int rc = LDAP_OPT_SUCCESS;
 497
 498                         if(urls != NULL) {
 499                                 rc = ldap_url_parselist_ext(&ludlist, urls, NULL,
 500                                         LDAP_PVT_URL_PARSE_NOEMPTY_HOST
 501                                         | LDAP_PVT_URL_PARSE_DEF_PORT );
 502                         } else if(ld == NULL) {
 503                                 /*
 504                                  * must want global default returned
 505                                  * to initial condition.
 506                                  */
 507                                 rc = ldap_url_parselist_ext(&ludlist, "ldap://localhost/", NULL,
 508                                         LDAP_PVT_URL_PARSE_NOEMPTY_HOST
 509                                         | LDAP_PVT_URL_PARSE_DEF_PORT );
 510
 511                         } else {
 512                                 /*
 513                                  * must want the session default
 514                                  *   updated to the current global default
 515                                  */
 516                                 ludlist = ldap_url_duplist(
 517                                         ldap_int_global_options.ldo_defludp);
 518                                 if (ludlist == NULL)
 519                                         rc = LDAP_URL_ERR_MEM;
 520                         }
 521
 522                         switch (rc) {
 523                         case LDAP_URL_SUCCESS:          /* Success */
 524                                 rc = LDAP_SUCCESS;
 525                                 break;
 526
 527                         case LDAP_URL_ERR_MEM:          /* can't allocate memory space */
 528                                 rc = LDAP_NO_MEMORY;
 529                                 break;
 530
 531                         case LDAP_URL_ERR_PARAM:        /* parameter is bad */
 532                         case LDAP_URL_ERR_BADSCHEME:    /* URL doesn't begin with "ldap[si]://" */
 533                         case LDAP_URL_ERR_BADENCLOSURE: /* URL is missing trailing ">" */
 534                         case LDAP_URL_ERR_BADURL:       /* URL is bad */
 535                         case LDAP_URL_ERR_BADHOST:      /* host port is bad */
 536                         case LDAP_URL_ERR_BADATTRS:     /* bad (or missing) attributes */
 537                         case LDAP_URL_ERR_BADSCOPE:     /* scope string is invalid (or missing) */
 538                         case LDAP_URL_ERR_BADFILTER:    /* bad or missing filter */
 539                         case LDAP_URL_ERR_BADEXTS:      /* bad or missing extensions */
 540                                 rc = LDAP_PARAM_ERROR;
 541                                 break;
 542                         }
 543
 544                         if (rc == LDAP_SUCCESS) {
 545                                 if (lo->ldo_defludp != NULL)
 546                                         ldap_free_urllist(lo->ldo_defludp);
 547                                 lo->ldo_defludp = ludlist;
 548                         }
 549                         return rc;
 550                 }
 551
 552         case LDAP_OPT_DEFBASE: {
 553                         const char *newbase = (const char *) invalue;
 554                         char *defbase = NULL;
 555
 556                         if ( newbase != NULL ) {
 557                                 defbase = LDAP_STRDUP( newbase );
 558                                 if ( defbase == NULL ) return LDAP_NO_MEMORY;
 559
 560                         } else if ( ld != NULL ) {
 561                                 defbase = LDAP_STRDUP( ldap_int_global_options.ldo_defbase );
 562                                 if ( defbase == NULL ) return LDAP_NO_MEMORY;
 563                         }
 564
 565                         if ( lo->ldo_defbase != NULL )
 566                                 LDAP_FREE( lo->ldo_defbase );
 567                         lo->ldo_defbase = defbase;
 568                 } return LDAP_OPT_SUCCESS;
 569
 570         case LDAP_OPT_DIAGNOSTIC_MESSAGE: {
 571                         const char *err = (const char *) invalue;
 572
 573                         if(ld == NULL) {
 574                                 /* need a struct ldap */
 575                                 return LDAP_OPT_ERROR;
 576                         }
 577
 578                         if( ld->ld_error ) {
 579                                 LDAP_FREE(ld->ld_error);
 580                                 ld->ld_error = NULL;
 581                         }
 582
 583                         if ( err ) {
 584                                 ld->ld_error = LDAP_STRDUP(err);
 585                         }
 586                 } return LDAP_OPT_SUCCESS;
 587
 588         case LDAP_OPT_MATCHED_DN: {
 589                         const char *matched = (const char *) invalue;
 590
 591                         if (ld == NULL) {
 592                                 /* need a struct ldap */
 593                                 return LDAP_OPT_ERROR;
 594                         }
 595
 596                         if( ld->ld_matched ) {
 597                                 LDAP_FREE(ld->ld_matched);
 598                                 ld->ld_matched = NULL;
 599                         }
 600
 601                         if ( matched ) {
 602                                 ld->ld_matched = LDAP_STRDUP( matched );
 603                         }
 604                 } return LDAP_OPT_SUCCESS;
 605
 606         case LDAP_OPT_REFERRAL_URLS: {
 607                         char *const *referrals = (char *const *) invalue;
 608
 609                         if(ld == NULL) {
 610                                 /* need a struct ldap */
 611                                 return LDAP_OPT_ERROR;
 612                         }
 613
 614                         if( ld->ld_referrals ) {
 615                                 LDAP_VFREE(ld->ld_referrals);
 616                         }
 617
 618                         if ( referrals ) {
 619                                 ld->ld_referrals = ldap_value_dup(referrals);
 620                         }
 621                 } return LDAP_OPT_SUCCESS;
 622
 623         /* Only accessed from inside this function by ldap_set_rebind_proc() */
 624         case LDAP_OPT_REBIND_PROC: {
 625                         lo->ldo_rebind_proc = (LDAP_REBIND_PROC *)invalue;
 626                 } return LDAP_OPT_SUCCESS;
 627         case LDAP_OPT_REBIND_PARAMS: {
 628                         lo->ldo_rebind_params = (void *)invalue;
 629                 } return LDAP_OPT_SUCCESS;
 630
 631         /* Only accessed from inside this function by ldap_set_nextref_proc() */
 632         case LDAP_OPT_NEXTREF_PROC: {
 633                         lo->ldo_nextref_proc = (LDAP_NEXTREF_PROC *)invalue;
 634                 } return LDAP_OPT_SUCCESS;
 635         case LDAP_OPT_NEXTREF_PARAMS: {
 636                         lo->ldo_nextref_params = (void *)invalue;
 637                 } return LDAP_OPT_SUCCESS;
 638
 639         /* Only accessed from inside this function by ldap_set_urllist_proc() */
 640         case LDAP_OPT_URLLIST_PROC: {
 641                         lo->ldo_urllist_proc = (LDAP_URLLIST_PROC *)invalue;
 642                 } return LDAP_OPT_SUCCESS;
 643         case LDAP_OPT_URLLIST_PARAMS: {
 644                         lo->ldo_urllist_params = (void *)invalue;
 645                 } return LDAP_OPT_SUCCESS;
 646
 647         /* read-only options */
 648         case LDAP_OPT_API_INFO:
 649         case LDAP_OPT_DESC:
 650         case LDAP_OPT_SOCKBUF:
 651         case LDAP_OPT_API_FEATURE_INFO:
 652                 return LDAP_OPT_ERROR;
 653
 654         /* options which cannot withstand invalue == NULL */
 655         case LDAP_OPT_DEREF:
 656         case LDAP_OPT_SIZELIMIT:
 657         case LDAP_OPT_TIMELIMIT:
 658         case LDAP_OPT_PROTOCOL_VERSION:
 659         case LDAP_OPT_RESULT_CODE:
 660         case LDAP_OPT_DEBUG_LEVEL:
 661         case LDAP_OPT_TIMEOUT:
 662         case LDAP_OPT_NETWORK_TIMEOUT:
 663                 if(invalue == NULL) {
 664                         /* no place to set from */
 665                         return LDAP_OPT_ERROR;
 666                 }
 667                 break;
 668
 669         default:
 670 #ifdef HAVE_TLS
 671                 if ( ldap_pvt_tls_set_option( ld, option, (void *)invalue ) == 0 )
 672                         return LDAP_OPT_SUCCESS;
 673 #endif
 674 #ifdef HAVE_CYRUS_SASL
 675                 if ( ldap_int_sasl_set_option( ld, option, (void *)invalue ) == 0 )
 676                         return LDAP_OPT_SUCCESS;
 677 #endif
 678                 /* bad param */
 679                 return LDAP_OPT_ERROR;
 680         }
 681
 682         /* options which cannot withstand invalue == NULL */
 683
 684         switch(option) {
 685         case LDAP_OPT_DEREF:
 686                 /* FIXME: check value for protocol compliance? */
 687                 lo->ldo_deref = * (const int *) invalue;
 688                 return LDAP_OPT_SUCCESS;
 689
 690         case LDAP_OPT_SIZELIMIT:
 691                 /* FIXME: check value for protocol compliance? */
 692                 lo->ldo_sizelimit = * (const int *) invalue;
 693                 return LDAP_OPT_SUCCESS;
 694
 695         case LDAP_OPT_TIMELIMIT:
 696                 /* FIXME: check value for protocol compliance? */
 697                 lo->ldo_timelimit = * (const int *) invalue;
 698                 return LDAP_OPT_SUCCESS;
 699
 700         case LDAP_OPT_TIMEOUT: {
 701                         const struct timeval *tv =
 702                                 (const struct timeval *) invalue;
 703
 704                         lo->ldo_tm_api = *tv;
 705                 } return LDAP_OPT_SUCCESS;
 706
 707         case LDAP_OPT_NETWORK_TIMEOUT: {
 708                         const struct timeval *tv =
 709                                 (const struct timeval *) invalue;
 710
 711                         lo->ldo_tm_net = *tv;
 712                 } return LDAP_OPT_SUCCESS;
 713
 714         case LDAP_OPT_PROTOCOL_VERSION: {
 715                         int vers = * (const int *) invalue;
 716                         if (vers < LDAP_VERSION_MIN || vers > LDAP_VERSION_MAX) {
 717                                 /* not supported */
 718                                 break;
 719                         }
 720                         lo->ldo_version = vers;
 721                 } return LDAP_OPT_SUCCESS;
 722
 723         case LDAP_OPT_RESULT_CODE: {
 724                         int err = * (const int *) invalue;
 725
 726                         if(ld == NULL) {
 727                                 /* need a struct ldap */
 728                                 break;
 729                         }
 730
 731                         ld->ld_errno = err;
 732                 } return LDAP_OPT_SUCCESS;
 733
 734         case LDAP_OPT_DEBUG_LEVEL:
 735                 lo->ldo_debug = * (const int *) invalue;
 736                 return LDAP_OPT_SUCCESS;
 737         }
 738         return LDAP_OPT_ERROR;
 739 }
 740
 741 int
 742 ldap_set_rebind_proc( LDAP *ld, LDAP_REBIND_PROC *proc, void *params )
 743 {
 744         int rc;
 745         rc = ldap_set_option( ld, LDAP_OPT_REBIND_PROC, (void *)proc );
 746         if( rc != LDAP_OPT_SUCCESS ) return rc;
 747
 748         rc = ldap_set_option( ld, LDAP_OPT_REBIND_PARAMS, (void *)params );
 749         return rc;
 750 }
 751
 752 int
 753 ldap_set_nextref_proc( LDAP *ld, LDAP_NEXTREF_PROC *proc, void *params )
 754 {
 755         int rc;
 756         rc = ldap_set_option( ld, LDAP_OPT_NEXTREF_PROC, (void *)proc );
 757         if( rc != LDAP_OPT_SUCCESS ) return rc;
 758
 759         rc = ldap_set_option( ld, LDAP_OPT_NEXTREF_PARAMS, (void *)params );
 760         return rc;
 761 }
 762
 763 int
 764 ldap_set_urllist_proc( LDAP *ld, LDAP_URLLIST_PROC *proc, void *params )
 765 {
 766         int rc;
 767         rc = ldap_set_option( ld, LDAP_OPT_URLLIST_PROC, (void *)proc );
 768         if( rc != LDAP_OPT_SUCCESS ) return rc;
 769
 770         rc = ldap_set_option( ld, LDAP_OPT_URLLIST_PARAMS, (void *)params );
 771         return rc;
 772 }