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 1998-2008 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 #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 #define ATTR_GSSAPI     10
  51
  52 struct ol_keyvalue {
  53         const char *            key;
  54         int                     value;
  55 };
  56
  57 static const struct ol_keyvalue deref_kv[] = {
  58         {"never", LDAP_DEREF_NEVER},
  59         {"searching", LDAP_DEREF_SEARCHING},
  60         {"finding", LDAP_DEREF_FINDING},
  61         {"always", LDAP_DEREF_ALWAYS},
  62         {NULL, 0}
  63 };
  64
  65 static const struct ol_attribute {
  66         int                     useronly;
  67         int                     type;
  68         const char *    name;
  69         const void *    data;
  70         size_t          offset;
  71 } attrs[] = {
  72         {0, ATTR_OPT_TV,        "TIMEOUT",              NULL,   LDAP_OPT_TIMEOUT},
  73         {0, ATTR_OPT_TV,        "NETWORK_TIMEOUT",      NULL,   LDAP_OPT_NETWORK_TIMEOUT},
  74         {0, ATTR_OPT_INT,       "VERSION",              NULL,   LDAP_OPT_PROTOCOL_VERSION},
  75         {0, ATTR_KV,            "DEREF",        deref_kv, /* or &deref_kv[0] */
  76                 offsetof(struct ldapoptions, ldo_deref)},
  77         {0, ATTR_INT,           "SIZELIMIT",    NULL,
  78                 offsetof(struct ldapoptions, ldo_sizelimit)},
  79         {0, ATTR_INT,           "TIMELIMIT",    NULL,
  80                 offsetof(struct ldapoptions, ldo_timelimit)},
  81         {1, ATTR_STRING,        "BINDDN",               NULL,
  82                 offsetof(struct ldapoptions, ldo_defbinddn)},
  83         {0, ATTR_STRING,        "BASE",                 NULL,
  84                 offsetof(struct ldapoptions, ldo_defbase)},
  85         {0, ATTR_INT,           "PORT",                 NULL,           /* deprecated */
  86                 offsetof(struct ldapoptions, ldo_defport)},
  87         {0, ATTR_OPTION,        "HOST",                 NULL,   LDAP_OPT_HOST_NAME}, /* deprecated */
  88         {0, ATTR_OPTION,        "URI",                  NULL,   LDAP_OPT_URI}, /* replaces HOST/PORT */
  89         {0, ATTR_BOOL,          "REFERRALS",    NULL,   LDAP_BOOL_REFERRALS},
  90 #if 0
  91         /* This should only be allowed via ldap_set_option(3) */
  92         {0, ATTR_BOOL,          "RESTART",              NULL,   LDAP_BOOL_RESTART},
  93 #endif
  94
  95 #ifdef HAVE_CYRUS_SASL
  96         {0, ATTR_STRING,        "SASL_MECH",            NULL,
  97                 offsetof(struct ldapoptions, ldo_def_sasl_mech)},
  98         {0, ATTR_STRING,        "SASL_REALM",           NULL,
  99                 offsetof(struct ldapoptions, ldo_def_sasl_realm)},
 100         {1, ATTR_STRING,        "SASL_AUTHCID",         NULL,
 101                 offsetof(struct ldapoptions, ldo_def_sasl_authcid)},
 102         {1, ATTR_STRING,        "SASL_AUTHZID",         NULL,
 103                 offsetof(struct ldapoptions, ldo_def_sasl_authzid)},
 104         {0, ATTR_SASL,          "SASL_SECPROPS",        NULL,   LDAP_OPT_X_SASL_SECPROPS},
 105 #endif
 106
 107 #ifdef HAVE_GSSAPI
 108         {0, ATTR_GSSAPI,"GSSAPI_SIGN",                  NULL,   LDAP_OPT_SIGN},
 109         {0, ATTR_GSSAPI,"GSSAPI_ENCRYPT",               NULL,   LDAP_OPT_ENCRYPT},
 110         {0, ATTR_GSSAPI,"GSSAPI_ALLOW_REMOTE_PRINCIPAL",NULL,   LDAP_OPT_X_GSSAPI_ALLOW_REMOTE_PRINCIPAL},
 111 #endif
 112
 113 #ifdef HAVE_TLS
 114         {1, ATTR_TLS,   "TLS_CERT",                     NULL,   LDAP_OPT_X_TLS_CERTFILE},
 115         {1, ATTR_TLS,   "TLS_KEY",                      NULL,   LDAP_OPT_X_TLS_KEYFILE},
 116         {0, ATTR_TLS,   "TLS_CACERT",           NULL,   LDAP_OPT_X_TLS_CACERTFILE},
 117         {0, ATTR_TLS,   "TLS_CACERTDIR",        NULL,   LDAP_OPT_X_TLS_CACERTDIR},
 118         {0, ATTR_TLS,   "TLS_REQCERT",          NULL,   LDAP_OPT_X_TLS_REQUIRE_CERT},
 119         {0, ATTR_TLS,   "TLS_RANDFILE",         NULL,   LDAP_OPT_X_TLS_RANDOM_FILE},
 120         {0, ATTR_TLS,   "TLS_CIPHER_SUITE",     NULL,   LDAP_OPT_X_TLS_CIPHER_SUITE},
 121
 122 #ifdef HAVE_OPENSSL_CRL
 123         {0, ATTR_TLS,   "TLS_CRLCHECK",         NULL,   LDAP_OPT_X_TLS_CRLCHECK},
 124 #endif
 125 #ifdef HAVE_GNUTLS
 126         {0, ATTR_TLS,   "TLS_CRLFILE",                  NULL,   LDAP_OPT_X_TLS_CRLFILE},
 127 #endif
 128
 129 #endif
 130
 131         {0, ATTR_NONE,          NULL,           NULL,   0}
 132 };
 133
 134 #define MAX_LDAP_ATTR_LEN  sizeof("GSSAPI_ALLOW_REMOTE_PRINCIPAL")
 135 #define MAX_LDAP_ENV_PREFIX_LEN 8
 136
 137 static void openldap_ldap_init_w_conf(
 138         const char *file, int userconf )
 139 {
 140         char linebuf[ AC_LINE_MAX ];
 141         FILE *fp;
 142         int i;
 143         char *cmd, *opt;
 144         char *start, *end;
 145         struct ldapoptions *gopts;
 146
 147         if ((gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
 148                 return;                 /* Could not allocate mem for global options */
 149         }
 150
 151         if (file == NULL) {
 152                 /* no file name */
 153                 return;
 154         }
 155
 156         Debug(LDAP_DEBUG_TRACE, "ldap_init: trying %s\n", file, 0, 0);
 157
 158         fp = fopen(file, "r");
 159         if(fp == NULL) {
 160                 /* could not open file */
 161                 return;
 162         }
 163
 164         Debug(LDAP_DEBUG_TRACE, "ldap_init: using %s\n", file, 0, 0);
 165
 166         while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
 167                 /* skip lines starting with '#' */
 168                 if(*start == '#') continue;
 169
 170                 /* trim leading white space */
 171                 while((*start != '\0') && isspace((unsigned char) *start))
 172                         start++;
 173
 174                 /* anything left? */
 175                 if(*start == '\0') continue;
 176
 177                 /* trim trailing white space */
 178                 end = &start[strlen(start)-1];
 179                 while(isspace((unsigned char)*end)) end--;
 180                 end[1] = '\0';
 181
 182                 /* anything left? */
 183                 if(*start == '\0') continue;
 184
 185
 186                 /* parse the command */
 187                 cmd=start;
 188                 while((*start != '\0') && !isspace((unsigned char)*start)) {
 189                         start++;
 190                 }
 191                 if(*start == '\0') {
 192                         /* command has no argument */
 193                         continue;
 194                 }
 195
 196                 *start++ = '\0';
 197
 198                 /* we must have some whitespace to skip */
 199                 while(isspace((unsigned char)*start)) start++;
 200                 opt = start;
 201
 202                 for(i=0; attrs[i].type != ATTR_NONE; i++) {
 203                         void *p;
 204
 205                         if( !userconf && attrs[i].useronly ) {
 206                                 continue;
 207                         }
 208
 209                         if(strcasecmp(cmd, attrs[i].name) != 0) {
 210                                 continue;
 211                         }
 212
 213                         switch(attrs[i].type) {
 214                         case ATTR_BOOL:
 215                                 if((strcasecmp(opt, "on") == 0)
 216                                         || (strcasecmp(opt, "yes") == 0)
 217                                         || (strcasecmp(opt, "true") == 0))
 218                                 {
 219                                         LDAP_BOOL_SET(gopts, attrs[i].offset);
 220
 221                                 } else {
 222                                         LDAP_BOOL_CLR(gopts, attrs[i].offset);
 223                                 }
 224
 225                                 break;
 226
 227                         case ATTR_INT: {
 228                                 char *next;
 229                                 long l;
 230                                 p = &((char *) gopts)[attrs[i].offset];
 231                                 l = strtol( opt, &next, 10 );
 232                                 if ( next != opt && next[ 0 ] == '\0' ) {
 233                                         * (int*) p = l;
 234                                 }
 235                                 } break;
 236
 237                         case ATTR_KV: {
 238                                         const struct ol_keyvalue *kv;
 239
 240                                         for(kv = attrs[i].data;
 241                                                 kv->key != NULL;
 242                                                 kv++) {
 243
 244                                                 if(strcasecmp(opt, kv->key) == 0) {
 245                                                         p = &((char *) gopts)[attrs[i].offset];
 246                                                         * (int*) p = kv->value;
 247                                                         break;
 248                                                 }
 249                                         }
 250                                 } break;
 251
 252                         case ATTR_STRING:
 253                                 p = &((char *) gopts)[attrs[i].offset];
 254                                 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 255                                 * (char**) p = LDAP_STRDUP(opt);
 256                                 break;
 257                         case ATTR_OPTION:
 258                                 ldap_set_option( NULL, attrs[i].offset, opt );
 259                                 break;
 260                         case ATTR_SASL:
 261 #ifdef HAVE_CYRUS_SASL
 262                                 ldap_int_sasl_config( gopts, attrs[i].offset, opt );
 263 #endif
 264                                 break;
 265                         case ATTR_GSSAPI:
 266 #ifdef HAVE_GSSAPI
 267                                 ldap_int_gssapi_config( gopts, attrs[i].offset, opt );
 268 #endif
 269                                 break;
 270                         case ATTR_TLS:
 271 #ifdef HAVE_TLS
 272                                 ldap_int_tls_config( NULL, attrs[i].offset, opt );
 273 #endif
 274                                 break;
 275                         case ATTR_OPT_TV: {
 276                                 struct timeval tv;
 277                                 char *next;
 278                                 tv.tv_usec = 0;
 279                                 tv.tv_sec = strtol( opt, &next, 10 );
 280                                 if ( next != opt && next[ 0 ] == '\0' && tv.tv_sec > 0 ) {
 281                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&tv );
 282                                 }
 283                                 } break;
 284                         case ATTR_OPT_INT: {
 285                                 long l;
 286                                 char *next;
 287                                 l = strtol( opt, &next, 10 );
 288                                 if ( next != opt && next[ 0 ] == '\0' && l > 0 && (long)((int)l) == l ) {
 289                                         int v = (int)l;
 290                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&v );
 291                                 }
 292                                 } break;
 293                         }
 294
 295                         break;
 296                 }
 297         }
 298
 299         fclose(fp);
 300 }
 301
 302 static void openldap_ldap_init_w_sysconf(const char *file)
 303 {
 304         openldap_ldap_init_w_conf( file, 0 );
 305 }
 306
 307 static void openldap_ldap_init_w_userconf(const char *file)
 308 {
 309         char *home;
 310         char *path = NULL;
 311
 312         if (file == NULL) {
 313                 /* no file name */
 314                 return;
 315         }
 316
 317         home = getenv("HOME");
 318
 319         if (home != NULL) {
 320                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is %s\n",
 321                       home, 0, 0);
 322                 path = LDAP_MALLOC(strlen(home) + strlen(file) + sizeof( LDAP_DIRSEP "."));
 323         } else {
 324                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is NULL\n",
 325                       0, 0, 0);
 326         }
 327
 328         if(home != NULL && path != NULL) {
 329                 /* we assume UNIX path syntax is used... */
 330
 331                 /* try ~/file */
 332                 sprintf(path, "%s" LDAP_DIRSEP "%s", home, file);
 333                 openldap_ldap_init_w_conf(path, 1);
 334
 335                 /* try ~/.file */
 336                 sprintf(path, "%s" LDAP_DIRSEP ".%s", home, file);
 337                 openldap_ldap_init_w_conf(path, 1);
 338         }
 339
 340         if(path != NULL) {
 341                 LDAP_FREE(path);
 342         }
 343
 344         /* try file */
 345         openldap_ldap_init_w_conf(file, 1);
 346 }
 347
 348 static void openldap_ldap_init_w_env(
 349                 struct ldapoptions *gopts,
 350                 const char *prefix)
 351 {
 352         char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
 353         int len;
 354         int i;
 355         void *p;
 356         char *value;
 357
 358         if (prefix == NULL) {
 359                 prefix = LDAP_ENV_PREFIX;
 360         }
 361
 362         strncpy(buf, prefix, MAX_LDAP_ENV_PREFIX_LEN);
 363         buf[MAX_LDAP_ENV_PREFIX_LEN] = '\0';
 364         len = strlen(buf);
 365
 366         for(i=0; attrs[i].type != ATTR_NONE; i++) {
 367                 strcpy(&buf[len], attrs[i].name);
 368                 value = getenv(buf);
 369
 370                 if(value == NULL) {
 371                         continue;
 372                 }
 373
 374                 switch(attrs[i].type) {
 375                 case ATTR_BOOL:
 376                         if((strcasecmp(value, "on") == 0)
 377                                 || (strcasecmp(value, "yes") == 0)
 378                                 || (strcasecmp(value, "true") == 0))
 379                         {
 380                                 LDAP_BOOL_SET(gopts, attrs[i].offset);
 381
 382                         } else {
 383                                 LDAP_BOOL_CLR(gopts, attrs[i].offset);
 384                         }
 385                         break;
 386
 387                 case ATTR_INT:
 388                         p = &((char *) gopts)[attrs[i].offset];
 389                         * (int*) p = atoi(value);
 390                         break;
 391
 392                 case ATTR_KV: {
 393                                 const struct ol_keyvalue *kv;
 394
 395                                 for(kv = attrs[i].data;
 396                                         kv->key != NULL;
 397                                         kv++) {
 398
 399                                         if(strcasecmp(value, kv->key) == 0) {
 400                                                 p = &((char *) gopts)[attrs[i].offset];
 401                                                 * (int*) p = kv->value;
 402                                                 break;
 403                                         }
 404                                 }
 405                         } break;
 406
 407                 case ATTR_STRING:
 408                         p = &((char *) gopts)[attrs[i].offset];
 409                         if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 410                         if (*value == '\0') {
 411                                 * (char**) p = NULL;
 412                         } else {
 413                                 * (char**) p = LDAP_STRDUP(value);
 414                         }
 415                         break;
 416                 case ATTR_OPTION:
 417                         ldap_set_option( NULL, attrs[i].offset, value );
 418                         break;
 419                 case ATTR_SASL:
 420 #ifdef HAVE_CYRUS_SASL
 421                         ldap_int_sasl_config( gopts, attrs[i].offset, value );
 422 #endif
 423                         break;
 424                 case ATTR_TLS:
 425 #ifdef HAVE_TLS
 426                         ldap_int_tls_config( NULL, attrs[i].offset, value );
 427 #endif
 428                         break;
 429                 }
 430         }
 431 }
 432
 433 #if defined(__GNUC__)
 434 /* Declare this function as a destructor so that it will automatically be
 435  * invoked either at program exit (if libldap is a static library) or
 436  * at unload time (if libldap is a dynamic library).
 437  *
 438  * Sorry, don't know how to handle this for non-GCC environments.
 439  */
 440 static void ldap_int_destroy_global_options(void)
 441         __attribute__ ((destructor));
 442 #endif
 443
 444 static void
 445 ldap_int_destroy_global_options(void)
 446 {
 447         struct ldapoptions *gopts = LDAP_INT_GLOBAL_OPT();
 448
 449         if ( gopts == NULL )
 450                 return;
 451
 452         gopts->ldo_valid = LDAP_UNINITIALIZED;
 453
 454         if ( gopts->ldo_defludp ) {
 455                 ldap_free_urllist( gopts->ldo_defludp );
 456                 gopts->ldo_defludp = NULL;
 457         }
 458 #if defined(HAVE_WINSOCK) || defined(HAVE_WINSOCK2)
 459         WSACleanup( );
 460 #endif
 461
 462 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 463         if ( ldap_int_hostname ) {
 464                 LDAP_FREE( ldap_int_hostname );
 465                 ldap_int_hostname = NULL;
 466         }
 467 #endif
 468 #ifdef HAVE_CYRUS_SASL
 469         if ( gopts->ldo_def_sasl_authcid ) {
 470                 LDAP_FREE( gopts->ldo_def_sasl_authcid );
 471                 gopts->ldo_def_sasl_authcid = NULL;
 472         }
 473 #endif
 474 #ifdef HAVE_TLS
 475         ldap_int_tls_destroy( gopts );
 476 #endif
 477 }
 478
 479 /*
 480  * Initialize the global options structure with default values.
 481  */
 482 void ldap_int_initialize_global_options( struct ldapoptions *gopts, int *dbglvl )
 483 {
 484         if (dbglvl)
 485             gopts->ldo_debug = *dbglvl;
 486         else
 487                 gopts->ldo_debug = 0;
 488
 489         gopts->ldo_version   = LDAP_VERSION2;
 490         gopts->ldo_deref     = LDAP_DEREF_NEVER;
 491         gopts->ldo_timelimit = LDAP_NO_LIMIT;
 492         gopts->ldo_sizelimit = LDAP_NO_LIMIT;
 493
 494         gopts->ldo_tm_api.tv_sec = -1;
 495         gopts->ldo_tm_net.tv_sec = -1;
 496
 497         /* ldo_defludp will be freed by the termination handler
 498          */
 499         ldap_url_parselist(&gopts->ldo_defludp, "ldap://localhost/");
 500         gopts->ldo_defport = LDAP_PORT;
 501 #if !defined(__GNUC__) && !defined(PIC)
 502         /* Do this only for a static library, and only if we can't
 503          * arrange for it to be executed as a library destructor
 504          */
 505         atexit(ldap_int_destroy_global_options);
 506 #endif
 507
 508         gopts->ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
 509         gopts->ldo_rebind_proc = NULL;
 510         gopts->ldo_rebind_params = NULL;
 511
 512         LDAP_BOOL_ZERO(gopts);
 513
 514         LDAP_BOOL_SET(gopts, LDAP_BOOL_REFERRALS);
 515
 516 #ifdef LDAP_CONNECTIONLESS
 517         gopts->ldo_peer = NULL;
 518         gopts->ldo_cldapdn = NULL;
 519         gopts->ldo_is_udp = 0;
 520 #endif
 521
 522 #ifdef HAVE_CYRUS_SASL
 523         gopts->ldo_def_sasl_mech = NULL;
 524         gopts->ldo_def_sasl_realm = NULL;
 525         gopts->ldo_def_sasl_authcid = NULL;
 526         gopts->ldo_def_sasl_authzid = NULL;
 527
 528         memset( &gopts->ldo_sasl_secprops,
 529                 '\0', sizeof(gopts->ldo_sasl_secprops) );
 530
 531         gopts->ldo_sasl_secprops.max_ssf = INT_MAX;
 532         gopts->ldo_sasl_secprops.maxbufsize = SASL_MAX_BUFF_SIZE;
 533         gopts->ldo_sasl_secprops.security_flags =
 534                 SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
 535 #endif
 536
 537 #ifdef HAVE_TLS
 538         gopts->ldo_tls_connect_cb = NULL;
 539         gopts->ldo_tls_connect_arg = NULL;
 540         gopts->ldo_tls_require_cert = LDAP_OPT_X_TLS_DEMAND;
 541 #endif
 542
 543         gopts->ldo_valid = LDAP_INITIALIZED;
 544         return;
 545 }
 546
 547 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 548 char * ldap_int_hostname = NULL;
 549 #endif
 550
 551 void ldap_int_initialize( struct ldapoptions *gopts, int *dbglvl )
 552 {
 553         if ( gopts->ldo_valid == LDAP_INITIALIZED ) {
 554                 return;
 555         }
 556
 557         ldap_int_error_init();
 558
 559         ldap_int_utils_init();
 560
 561 #ifdef HAVE_WINSOCK2
 562 {       WORD wVersionRequested;
 563         WSADATA wsaData;
 564
 565         wVersionRequested = MAKEWORD( 2, 0 );
 566         if ( WSAStartup( wVersionRequested, &wsaData ) != 0 ) {
 567                 /* Tell the user that we couldn't find a usable */
 568                 /* WinSock DLL.                                  */
 569                 return;
 570         }
 571
 572         /* Confirm that the WinSock DLL supports 2.0.*/
 573         /* Note that if the DLL supports versions greater    */
 574         /* than 2.0 in addition to 2.0, it will still return */
 575         /* 2.0 in wVersion since that is the version we      */
 576         /* requested.                                        */
 577
 578         if ( LOBYTE( wsaData.wVersion ) != 2 ||
 579                 HIBYTE( wsaData.wVersion ) != 0 )
 580         {
 581             /* Tell the user that we couldn't find a usable */
 582             /* WinSock DLL.                                  */
 583             WSACleanup( );
 584             return;
 585         }
 586 }       /* The WinSock DLL is acceptable. Proceed. */
 587 #elif HAVE_WINSOCK
 588 {       WSADATA wsaData;
 589         if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
 590             return;
 591         }
 592 }
 593 #endif
 594
 595 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 596         {
 597                 char    *name = ldap_int_hostname;
 598
 599                 ldap_int_hostname = ldap_pvt_get_fqdn( name );
 600
 601                 if ( name != NULL && name != ldap_int_hostname ) {
 602                         LDAP_FREE( name );
 603                 }
 604         }
 605 #endif
 606
 607 #ifndef HAVE_POLL
 608         if ( ldap_int_tblsize == 0 ) ldap_int_ip_init();
 609 #endif
 610
 611         ldap_int_initialize_global_options(gopts, NULL);
 612
 613         if( getenv("LDAPNOINIT") != NULL ) {
 614                 return;
 615         }
 616
 617 #ifdef HAVE_CYRUS_SASL
 618         {
 619                 /* set authentication identity to current user name */
 620                 char *user = getenv("USER");
 621
 622                 if( user == NULL ) user = getenv("USERNAME");
 623                 if( user == NULL ) user = getenv("LOGNAME");
 624
 625                 if( user != NULL ) {
 626                         gopts->ldo_def_sasl_authcid = LDAP_STRDUP( user );
 627                 }
 628     }
 629 #endif
 630
 631         openldap_ldap_init_w_sysconf(LDAP_CONF_FILE);
 632         openldap_ldap_init_w_userconf(LDAP_USERRC_FILE);
 633
 634         {
 635                 char *altfile = getenv(LDAP_ENV_PREFIX "CONF");
 636
 637                 if( altfile != NULL ) {
 638                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 639                               LDAP_ENV_PREFIX "CONF", altfile, 0);
 640                         openldap_ldap_init_w_sysconf( altfile );
 641                 }
 642                 else
 643                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 644                               LDAP_ENV_PREFIX "CONF", 0, 0);
 645         }
 646
 647         {
 648                 char *altfile = getenv(LDAP_ENV_PREFIX "RC");
 649
 650                 if( altfile != NULL ) {
 651                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 652                               LDAP_ENV_PREFIX "RC", altfile, 0);
 653                         openldap_ldap_init_w_userconf( altfile );
 654                 }
 655                 else
 656                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 657                               LDAP_ENV_PREFIX "RC", 0, 0);
 658         }
 659
 660         openldap_ldap_init_w_env(gopts, NULL);
 661 }