git.sur5r.net Git - openldap/blob - libraries/libldap/init.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2007 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 #include <ac/stdlib.h>
  20
  21 #include <ac/socket.h>
  22 #include <ac/string.h>
  23 #include <ac/ctype.h>
  24 #include <ac/time.h>
  25
  26 #ifdef HAVE_LIMITS_H
  27 #include <limits.h>
  28 #endif
  29
  30 #include "ldap-int.h"
  31 #include "ldap_defaults.h"
  32 #include "lutil.h"
  33
  34 struct ldapoptions ldap_int_global_options =
  35         { LDAP_UNINITIALIZED, LDAP_DEBUG_NONE };
  36
  37 #define ATTR_NONE       0
  38 #define ATTR_BOOL       1
  39 #define ATTR_INT        2
  40 #define ATTR_KV         3
  41 #define ATTR_STRING     4
  42 #define ATTR_OPTION     5
  43
  44 #define ATTR_SASL       6
  45 #define ATTR_TLS        7
  46
  47 #define ATTR_OPT_TV     8
  48 #define ATTR_OPT_INT    9
  49
  50 struct ol_keyvalue {
  51         const char *            key;
  52         int                     value;
  53 };
  54
  55 static const struct ol_keyvalue deref_kv[] = {
  56         {"never", LDAP_DEREF_NEVER},
  57         {"searching", LDAP_DEREF_SEARCHING},
  58         {"finding", LDAP_DEREF_FINDING},
  59         {"always", LDAP_DEREF_ALWAYS},
  60         {NULL, 0}
  61 };
  62
  63 static const struct ol_attribute {
  64         int                     useronly;
  65         int                     type;
  66         const char *    name;
  67         const void *    data;
  68         size_t          offset;
  69 } attrs[] = {
  70         {0, ATTR_OPT_TV,        "TIMEOUT",              NULL,   LDAP_OPT_TIMEOUT},
  71         {0, ATTR_OPT_TV,        "NETWORK_TIMEOUT",      NULL,   LDAP_OPT_NETWORK_TIMEOUT},
  72         {0, ATTR_OPT_INT,       "VERSION",              NULL,   LDAP_OPT_PROTOCOL_VERSION},
  73         {0, ATTR_KV,            "DEREF",        deref_kv, /* or &deref_kv[0] */
  74                 offsetof(struct ldapoptions, ldo_deref)},
  75         {0, ATTR_INT,           "SIZELIMIT",    NULL,
  76                 offsetof(struct ldapoptions, ldo_sizelimit)},
  77         {0, ATTR_INT,           "TIMELIMIT",    NULL,
  78                 offsetof(struct ldapoptions, ldo_timelimit)},
  79         {1, ATTR_STRING,        "BINDDN",               NULL,
  80                 offsetof(struct ldapoptions, ldo_defbinddn)},
  81         {0, ATTR_STRING,        "BASE",                 NULL,
  82                 offsetof(struct ldapoptions, ldo_defbase)},
  83         {0, ATTR_INT,           "PORT",                 NULL,           /* deprecated */
  84                 offsetof(struct ldapoptions, ldo_defport)},
  85         {0, ATTR_OPTION,        "HOST",                 NULL,   LDAP_OPT_HOST_NAME}, /* deprecated */
  86         {0, ATTR_OPTION,        "URI",                  NULL,   LDAP_OPT_URI}, /* replaces HOST/PORT */
  87         {0, ATTR_BOOL,          "REFERRALS",    NULL,   LDAP_BOOL_REFERRALS},
  88 #if 0
  89         /* This should only be allowed via ldap_set_option(3) */
  90         {0, ATTR_BOOL,          "RESTART",              NULL,   LDAP_BOOL_RESTART},
  91 #endif
  92
  93 #ifdef HAVE_CYRUS_SASL
  94         {0, ATTR_STRING,        "SASL_MECH",            NULL,
  95                 offsetof(struct ldapoptions, ldo_def_sasl_mech)},
  96         {0, ATTR_STRING,        "SASL_REALM",           NULL,
  97                 offsetof(struct ldapoptions, ldo_def_sasl_realm)},
  98         {1, ATTR_STRING,        "SASL_AUTHCID",         NULL,
  99                 offsetof(struct ldapoptions, ldo_def_sasl_authcid)},
 100         {1, ATTR_STRING,        "SASL_AUTHZID",         NULL,
 101                 offsetof(struct ldapoptions, ldo_def_sasl_authzid)},
 102         {0, ATTR_SASL,          "SASL_SECPROPS",        NULL,   LDAP_OPT_X_SASL_SECPROPS},
 103 #endif
 104
 105 #ifdef HAVE_TLS
 106         {1, ATTR_TLS,   "TLS_CERT",                     NULL,   LDAP_OPT_X_TLS_CERTFILE},
 107         {1, ATTR_TLS,   "TLS_KEY",                      NULL,   LDAP_OPT_X_TLS_KEYFILE},
 108         {0, ATTR_TLS,   "TLS_CACERT",           NULL,   LDAP_OPT_X_TLS_CACERTFILE},
 109         {0, ATTR_TLS,   "TLS_CACERTDIR",        NULL,   LDAP_OPT_X_TLS_CACERTDIR},
 110         {0, ATTR_TLS,   "TLS_REQCERT",          NULL,   LDAP_OPT_X_TLS_REQUIRE_CERT},
 111         {0, ATTR_TLS,   "TLS_RANDFILE",         NULL,   LDAP_OPT_X_TLS_RANDOM_FILE},
 112         {0, ATTR_TLS,   "TLS_CIPHER_SUITE",     NULL,   LDAP_OPT_X_TLS_CIPHER_SUITE},
 113
 114 #ifdef HAVE_OPENSSL_CRL
 115         {0, ATTR_TLS,   "TLS_CRLCHECK",         NULL,   LDAP_OPT_X_TLS_CRLCHECK},
 116 #endif
 117
 118 #endif
 119
 120         {0, ATTR_NONE,          NULL,           NULL,   0}
 121 };
 122
 123 #define MAX_LDAP_ATTR_LEN  sizeof("TLS_CIPHER_SUITE")
 124 #define MAX_LDAP_ENV_PREFIX_LEN 8
 125
 126 static void openldap_ldap_init_w_conf(
 127         const char *file, int userconf )
 128 {
 129         char linebuf[ AC_LINE_MAX ];
 130         FILE *fp;
 131         int i;
 132         char *cmd, *opt;
 133         char *start, *end;
 134         struct ldapoptions *gopts;
 135
 136         if ((gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
 137                 return;                 /* Could not allocate mem for global options */
 138         }
 139
 140         if (file == NULL) {
 141                 /* no file name */
 142                 return;
 143         }
 144
 145         Debug(LDAP_DEBUG_TRACE, "ldap_init: trying %s\n", file, 0, 0);
 146
 147         fp = fopen(file, "r");
 148         if(fp == NULL) {
 149                 /* could not open file */
 150                 return;
 151         }
 152
 153         Debug(LDAP_DEBUG_TRACE, "ldap_init: using %s\n", file, 0, 0);
 154
 155         while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
 156                 /* skip lines starting with '#' */
 157                 if(*start == '#') continue;
 158
 159                 /* trim leading white space */
 160                 while((*start != '\0') && isspace((unsigned char) *start))
 161                         start++;
 162
 163                 /* anything left? */
 164                 if(*start == '\0') continue;
 165
 166                 /* trim trailing white space */
 167                 end = &start[strlen(start)-1];
 168                 while(isspace((unsigned char)*end)) end--;
 169                 end[1] = '\0';
 170
 171                 /* anything left? */
 172                 if(*start == '\0') continue;
 173
 174
 175                 /* parse the command */
 176                 cmd=start;
 177                 while((*start != '\0') && !isspace((unsigned char)*start)) {
 178                         start++;
 179                 }
 180                 if(*start == '\0') {
 181                         /* command has no argument */
 182                         continue;
 183                 }
 184
 185                 *start++ = '\0';
 186
 187                 /* we must have some whitespace to skip */
 188                 while(isspace((unsigned char)*start)) start++;
 189                 opt = start;
 190
 191                 for(i=0; attrs[i].type != ATTR_NONE; i++) {
 192                         void *p;
 193
 194                         if( !userconf && attrs[i].useronly ) {
 195                                 continue;
 196                         }
 197
 198                         if(strcasecmp(cmd, attrs[i].name) != 0) {
 199                                 continue;
 200                         }
 201
 202                         switch(attrs[i].type) {
 203                         case ATTR_BOOL:
 204                                 if((strcasecmp(opt, "on") == 0)
 205                                         || (strcasecmp(opt, "yes") == 0)
 206                                         || (strcasecmp(opt, "true") == 0))
 207                                 {
 208                                         LDAP_BOOL_SET(gopts, attrs[i].offset);
 209
 210                                 } else {
 211                                         LDAP_BOOL_CLR(gopts, attrs[i].offset);
 212                                 }
 213
 214                                 break;
 215
 216                         case ATTR_INT: {
 217                                 char *next;
 218                                 long l;
 219                                 p = &((char *) gopts)[attrs[i].offset];
 220                                 l = strtol( opt, &next, 10 );
 221                                 if ( next != opt && next[ 0 ] == '\0' ) {
 222                                         * (int*) p = l;
 223                                 }
 224                                 } break;
 225
 226                         case ATTR_KV: {
 227                                         const struct ol_keyvalue *kv;
 228
 229                                         for(kv = attrs[i].data;
 230                                                 kv->key != NULL;
 231                                                 kv++) {
 232
 233                                                 if(strcasecmp(opt, kv->key) == 0) {
 234                                                         p = &((char *) gopts)[attrs[i].offset];
 235                                                         * (int*) p = kv->value;
 236                                                         break;
 237                                                 }
 238                                         }
 239                                 } break;
 240
 241                         case ATTR_STRING:
 242                                 p = &((char *) gopts)[attrs[i].offset];
 243                                 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 244                                 * (char**) p = LDAP_STRDUP(opt);
 245                                 break;
 246                         case ATTR_OPTION:
 247                                 ldap_set_option( NULL, attrs[i].offset, opt );
 248                                 break;
 249                         case ATTR_SASL:
 250 #ifdef HAVE_CYRUS_SASL
 251                                 ldap_int_sasl_config( gopts, attrs[i].offset, opt );
 252 #endif
 253                                 break;
 254                         case ATTR_TLS:
 255 #ifdef HAVE_TLS
 256                                 ldap_int_tls_config( NULL, attrs[i].offset, opt );
 257 #endif
 258                                 break;
 259                         case ATTR_OPT_TV: {
 260                                 struct timeval tv;
 261                                 char *next;
 262                                 tv.tv_sec = -1;
 263                                 tv.tv_usec = 0;
 264                                 tv.tv_sec = strtol( opt, &next, 10 );
 265                                 if ( next != opt && next[ 0 ] == '\0' && tv.tv_sec > 0 ) {
 266                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&tv );
 267                                 }
 268                                 } break;
 269                         case ATTR_OPT_INT: {
 270                                 long l;
 271                                 char *next;
 272                                 l = strtol( opt, &next, 10 );
 273                                 if ( next != opt && next[ 0 ] == '\0' && l > 0 && (long)((int)l) == l ) {
 274                                         int v = (int)l;
 275                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&v );
 276                                 }
 277                                 } break;
 278                         }
 279
 280                         break;
 281                 }
 282         }
 283
 284         fclose(fp);
 285 }
 286
 287 static void openldap_ldap_init_w_sysconf(const char *file)
 288 {
 289         openldap_ldap_init_w_conf( file, 0 );
 290 }
 291
 292 static void openldap_ldap_init_w_userconf(const char *file)
 293 {
 294         char *home;
 295         char *path = NULL;
 296
 297         if (file == NULL) {
 298                 /* no file name */
 299                 return;
 300         }
 301
 302         home = getenv("HOME");
 303
 304         if (home != NULL) {
 305                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is %s\n",
 306                       home, 0, 0);
 307                 path = LDAP_MALLOC(strlen(home) + strlen(file) + sizeof( LDAP_DIRSEP "."));
 308         } else {
 309                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is NULL\n",
 310                       0, 0, 0);
 311         }
 312
 313         if(home != NULL && path != NULL) {
 314                 /* we assume UNIX path syntax is used... */
 315
 316                 /* try ~/file */
 317                 sprintf(path, "%s" LDAP_DIRSEP "%s", home, file);
 318                 openldap_ldap_init_w_conf(path, 1);
 319
 320                 /* try ~/.file */
 321                 sprintf(path, "%s" LDAP_DIRSEP ".%s", home, file);
 322                 openldap_ldap_init_w_conf(path, 1);
 323         }
 324
 325         if(path != NULL) {
 326                 LDAP_FREE(path);
 327         }
 328
 329         /* try file */
 330         openldap_ldap_init_w_conf(file, 1);
 331 }
 332
 333 static void openldap_ldap_init_w_env(
 334                 struct ldapoptions *gopts,
 335                 const char *prefix)
 336 {
 337         char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
 338         int len;
 339         int i;
 340         void *p;
 341         char *value;
 342
 343         if (prefix == NULL) {
 344                 prefix = LDAP_ENV_PREFIX;
 345         }
 346
 347         strncpy(buf, prefix, MAX_LDAP_ENV_PREFIX_LEN);
 348         buf[MAX_LDAP_ENV_PREFIX_LEN] = '\0';
 349         len = strlen(buf);
 350
 351         for(i=0; attrs[i].type != ATTR_NONE; i++) {
 352                 strcpy(&buf[len], attrs[i].name);
 353                 value = getenv(buf);
 354
 355                 if(value == NULL) {
 356                         continue;
 357                 }
 358
 359                 switch(attrs[i].type) {
 360                 case ATTR_BOOL:
 361                         if((strcasecmp(value, "on") == 0)
 362                                 || (strcasecmp(value, "yes") == 0)
 363                                 || (strcasecmp(value, "true") == 0))
 364                         {
 365                                 LDAP_BOOL_SET(gopts, attrs[i].offset);
 366
 367                         } else {
 368                                 LDAP_BOOL_CLR(gopts, attrs[i].offset);
 369                         }
 370                         break;
 371
 372                 case ATTR_INT:
 373                         p = &((char *) gopts)[attrs[i].offset];
 374                         * (int*) p = atoi(value);
 375                         break;
 376
 377                 case ATTR_KV: {
 378                                 const struct ol_keyvalue *kv;
 379
 380                                 for(kv = attrs[i].data;
 381                                         kv->key != NULL;
 382                                         kv++) {
 383
 384                                         if(strcasecmp(value, kv->key) == 0) {
 385                                                 p = &((char *) gopts)[attrs[i].offset];
 386                                                 * (int*) p = kv->value;
 387                                                 break;
 388                                         }
 389                                 }
 390                         } break;
 391
 392                 case ATTR_STRING:
 393                         p = &((char *) gopts)[attrs[i].offset];
 394                         if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 395                         if (*value == '\0') {
 396                                 * (char**) p = NULL;
 397                         } else {
 398                                 * (char**) p = LDAP_STRDUP(value);
 399                         }
 400                         break;
 401                 case ATTR_OPTION:
 402                         ldap_set_option( NULL, attrs[i].offset, value );
 403                         break;
 404                 case ATTR_SASL:
 405 #ifdef HAVE_CYRUS_SASL
 406                         ldap_int_sasl_config( gopts, attrs[i].offset, value );
 407 #endif
 408                         break;
 409                 case ATTR_TLS:
 410 #ifdef HAVE_TLS
 411                         ldap_int_tls_config( NULL, attrs[i].offset, value );
 412 #endif
 413                         break;
 414                 }
 415         }
 416 }
 417
 418 #if defined(__GNUC__)
 419 /* Declare this function as a destructor so that it will automatically be
 420  * invoked either at program exit (if libldap is a static library) or
 421  * at unload time (if libldap is a dynamic library).
 422  *
 423  * Sorry, don't know how to handle this for non-GCC environments.
 424  */
 425 static void ldap_int_destroy_global_options(void)
 426         __attribute__ ((destructor));
 427 #endif
 428
 429 static void
 430 ldap_int_destroy_global_options(void)
 431 {
 432         struct ldapoptions *gopts = LDAP_INT_GLOBAL_OPT();
 433
 434         if ( gopts == NULL )
 435                 return;
 436
 437         gopts->ldo_valid = LDAP_UNINITIALIZED;
 438
 439         if ( gopts->ldo_defludp ) {
 440                 ldap_free_urllist( gopts->ldo_defludp );
 441                 gopts->ldo_defludp = NULL;
 442         }
 443 #if defined(HAVE_WINSOCK) || defined(HAVE_WINSOCK2)
 444         WSACleanup( );
 445 #endif
 446
 447 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 448         if ( ldap_int_hostname ) {
 449                 LDAP_FREE( ldap_int_hostname );
 450                 ldap_int_hostname = NULL;
 451         }
 452 #endif
 453 #ifdef HAVE_CYRUS_SASL
 454         if ( gopts->ldo_def_sasl_authcid ) {
 455                 LDAP_FREE( gopts->ldo_def_sasl_authcid );
 456                 gopts->ldo_def_sasl_authcid = NULL;
 457         }
 458 #endif
 459 #ifdef HAVE_TLS
 460         ldap_int_tls_destroy( gopts );
 461 #endif
 462 }
 463
 464 /*
 465  * Initialize the global options structure with default values.
 466  */
 467 void ldap_int_initialize_global_options( struct ldapoptions *gopts, int *dbglvl )
 468 {
 469         if (dbglvl)
 470             gopts->ldo_debug = *dbglvl;
 471         else
 472                 gopts->ldo_debug = 0;
 473
 474         gopts->ldo_version   = LDAP_VERSION2;
 475         gopts->ldo_deref     = LDAP_DEREF_NEVER;
 476         gopts->ldo_timelimit = LDAP_NO_LIMIT;
 477         gopts->ldo_sizelimit = LDAP_NO_LIMIT;
 478
 479         gopts->ldo_tm_api = (struct timeval *)NULL;
 480         gopts->ldo_tm_net = (struct timeval *)NULL;
 481
 482         /* ldo_defludp will be freed by the termination handler
 483          */
 484         ldap_url_parselist(&gopts->ldo_defludp, "ldap://localhost/");
 485         gopts->ldo_defport = LDAP_PORT;
 486 #if !defined(__GNUC__) && !defined(PIC)
 487         /* Do this only for a static library, and only if we can't
 488          * arrange for it to be executed as a library destructor
 489          */
 490         atexit(ldap_int_destroy_global_options);
 491 #endif
 492
 493         gopts->ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
 494         gopts->ldo_rebind_proc = NULL;
 495         gopts->ldo_rebind_params = NULL;
 496
 497         LDAP_BOOL_ZERO(gopts);
 498
 499         LDAP_BOOL_SET(gopts, LDAP_BOOL_REFERRALS);
 500
 501 #ifdef LDAP_CONNECTIONLESS
 502         gopts->ldo_peer = NULL;
 503         gopts->ldo_cldapdn = NULL;
 504         gopts->ldo_is_udp = 0;
 505 #endif
 506
 507 #ifdef HAVE_CYRUS_SASL
 508         gopts->ldo_def_sasl_mech = NULL;
 509         gopts->ldo_def_sasl_realm = NULL;
 510         gopts->ldo_def_sasl_authcid = NULL;
 511         gopts->ldo_def_sasl_authzid = NULL;
 512
 513         memset( &gopts->ldo_sasl_secprops,
 514                 '\0', sizeof(gopts->ldo_sasl_secprops) );
 515
 516         gopts->ldo_sasl_secprops.max_ssf = INT_MAX;
 517         gopts->ldo_sasl_secprops.maxbufsize = SASL_MAX_BUFF_SIZE;
 518         gopts->ldo_sasl_secprops.security_flags =
 519                 SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
 520 #endif
 521
 522 #ifdef HAVE_TLS
 523         gopts->ldo_tls_connect_cb = NULL;
 524         gopts->ldo_tls_connect_arg = NULL;
 525 #endif
 526
 527         gopts->ldo_valid = LDAP_INITIALIZED;
 528         return;
 529 }
 530
 531 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 532 char * ldap_int_hostname = NULL;
 533 #endif
 534
 535 void ldap_int_initialize( struct ldapoptions *gopts, int *dbglvl )
 536 {
 537         if ( gopts->ldo_valid == LDAP_INITIALIZED ) {
 538                 return;
 539         }
 540
 541         ldap_int_error_init();
 542
 543         ldap_int_utils_init();
 544
 545 #ifdef HAVE_WINSOCK2
 546 {       WORD wVersionRequested;
 547         WSADATA wsaData;
 548
 549         wVersionRequested = MAKEWORD( 2, 0 );
 550         if ( WSAStartup( wVersionRequested, &wsaData ) != 0 ) {
 551                 /* Tell the user that we couldn't find a usable */
 552                 /* WinSock DLL.                                  */
 553                 return;
 554         }
 555
 556         /* Confirm that the WinSock DLL supports 2.0.*/
 557         /* Note that if the DLL supports versions greater    */
 558         /* than 2.0 in addition to 2.0, it will still return */
 559         /* 2.0 in wVersion since that is the version we      */
 560         /* requested.                                        */
 561
 562         if ( LOBYTE( wsaData.wVersion ) != 2 ||
 563                 HIBYTE( wsaData.wVersion ) != 0 )
 564         {
 565             /* Tell the user that we couldn't find a usable */
 566             /* WinSock DLL.                                  */
 567             WSACleanup( );
 568             return;
 569         }
 570 }       /* The WinSock DLL is acceptable. Proceed. */
 571 #elif HAVE_WINSOCK
 572 {       WSADATA wsaData;
 573         if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
 574             return;
 575         }
 576 }
 577 #endif
 578
 579 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 580         {
 581                 char    *name = ldap_int_hostname;
 582
 583                 ldap_int_hostname = ldap_pvt_get_fqdn( name );
 584
 585                 if ( name != NULL && name != ldap_int_hostname ) {
 586                         LDAP_FREE( name );
 587                 }
 588         }
 589 #endif
 590
 591 #ifndef HAVE_POLL
 592         if ( ldap_int_tblsize == 0 ) ldap_int_ip_init();
 593 #endif
 594
 595         ldap_int_initialize_global_options(gopts, NULL);
 596
 597         if( getenv("LDAPNOINIT") != NULL ) {
 598                 return;
 599         }
 600
 601 #ifdef HAVE_CYRUS_SASL
 602         {
 603                 /* set authentication identity to current user name */
 604                 char *user = getenv("USER");
 605
 606                 if( user == NULL ) user = getenv("USERNAME");
 607                 if( user == NULL ) user = getenv("LOGNAME");
 608
 609                 if( user != NULL ) {
 610                         gopts->ldo_def_sasl_authcid = LDAP_STRDUP( user );
 611                 }
 612     }
 613 #endif
 614
 615         openldap_ldap_init_w_sysconf(LDAP_CONF_FILE);
 616         openldap_ldap_init_w_userconf(LDAP_USERRC_FILE);
 617
 618         {
 619                 char *altfile = getenv(LDAP_ENV_PREFIX "CONF");
 620
 621                 if( altfile != NULL ) {
 622                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 623                               LDAP_ENV_PREFIX "CONF", altfile, 0);
 624                         openldap_ldap_init_w_sysconf( altfile );
 625                 }
 626                 else
 627                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 628                               LDAP_ENV_PREFIX "CONF", 0, 0);
 629         }
 630
 631         {
 632                 char *altfile = getenv(LDAP_ENV_PREFIX "RC");
 633
 634                 if( altfile != NULL ) {
 635                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 636                               LDAP_ENV_PREFIX "RC", altfile, 0);
 637                         openldap_ldap_init_w_userconf( altfile );
 638                 }
 639                 else
 640                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 641                               LDAP_ENV_PREFIX "RC", 0, 0);
 642         }
 643
 644         openldap_ldap_init_w_env(gopts, NULL);
 645 }