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 #ifdef HAVE_GETEUID
  22 #include <ac/unistd.h>
  23 #endif
  24
  25 #include <ac/socket.h>
  26 #include <ac/string.h>
  27 #include <ac/ctype.h>
  28 #include <ac/time.h>
  29
  30 #ifdef HAVE_LIMITS_H
  31 #include <limits.h>
  32 #endif
  33
  34 #include "ldap-int.h"
  35 #include "ldap_defaults.h"
  36 #include "lutil.h"
  37
  38 struct ldapoptions ldap_int_global_options =
  39         { LDAP_UNINITIALIZED, LDAP_DEBUG_NONE };
  40
  41 #define ATTR_NONE       0
  42 #define ATTR_BOOL       1
  43 #define ATTR_INT        2
  44 #define ATTR_KV         3
  45 #define ATTR_STRING     4
  46 #define ATTR_OPTION     5
  47
  48 #define ATTR_SASL       6
  49 #define ATTR_TLS        7
  50
  51 #define ATTR_OPT_TV     8
  52 #define ATTR_OPT_INT    9
  53
  54 #define ATTR_GSSAPI     10
  55
  56 struct ol_keyvalue {
  57         const char *            key;
  58         int                     value;
  59 };
  60
  61 static const struct ol_keyvalue deref_kv[] = {
  62         {"never", LDAP_DEREF_NEVER},
  63         {"searching", LDAP_DEREF_SEARCHING},
  64         {"finding", LDAP_DEREF_FINDING},
  65         {"always", LDAP_DEREF_ALWAYS},
  66         {NULL, 0}
  67 };
  68
  69 static const struct ol_attribute {
  70         int                     useronly;
  71         int                     type;
  72         const char *    name;
  73         const void *    data;
  74         size_t          offset;
  75 } attrs[] = {
  76         {0, ATTR_OPT_TV,        "TIMEOUT",              NULL,   LDAP_OPT_TIMEOUT},
  77         {0, ATTR_OPT_TV,        "NETWORK_TIMEOUT",      NULL,   LDAP_OPT_NETWORK_TIMEOUT},
  78         {0, ATTR_OPT_INT,       "VERSION",              NULL,   LDAP_OPT_PROTOCOL_VERSION},
  79         {0, ATTR_KV,            "DEREF",        deref_kv, /* or &deref_kv[0] */
  80                 offsetof(struct ldapoptions, ldo_deref)},
  81         {0, ATTR_INT,           "SIZELIMIT",    NULL,
  82                 offsetof(struct ldapoptions, ldo_sizelimit)},
  83         {0, ATTR_INT,           "TIMELIMIT",    NULL,
  84                 offsetof(struct ldapoptions, ldo_timelimit)},
  85         {1, ATTR_STRING,        "BINDDN",               NULL,
  86                 offsetof(struct ldapoptions, ldo_defbinddn)},
  87         {0, ATTR_STRING,        "BASE",                 NULL,
  88                 offsetof(struct ldapoptions, ldo_defbase)},
  89         {0, ATTR_INT,           "PORT",                 NULL,           /* deprecated */
  90                 offsetof(struct ldapoptions, ldo_defport)},
  91         {0, ATTR_OPTION,        "HOST",                 NULL,   LDAP_OPT_HOST_NAME}, /* deprecated */
  92         {0, ATTR_OPTION,        "URI",                  NULL,   LDAP_OPT_URI}, /* replaces HOST/PORT */
  93         {0, ATTR_BOOL,          "REFERRALS",    NULL,   LDAP_BOOL_REFERRALS},
  94 #if 0
  95         /* This should only be allowed via ldap_set_option(3) */
  96         {0, ATTR_BOOL,          "RESTART",              NULL,   LDAP_BOOL_RESTART},
  97 #endif
  98
  99 #ifdef HAVE_CYRUS_SASL
 100         {0, ATTR_STRING,        "SASL_MECH",            NULL,
 101                 offsetof(struct ldapoptions, ldo_def_sasl_mech)},
 102         {0, ATTR_STRING,        "SASL_REALM",           NULL,
 103                 offsetof(struct ldapoptions, ldo_def_sasl_realm)},
 104         {1, ATTR_STRING,        "SASL_AUTHCID",         NULL,
 105                 offsetof(struct ldapoptions, ldo_def_sasl_authcid)},
 106         {1, ATTR_STRING,        "SASL_AUTHZID",         NULL,
 107                 offsetof(struct ldapoptions, ldo_def_sasl_authzid)},
 108         {0, ATTR_SASL,          "SASL_SECPROPS",        NULL,   LDAP_OPT_X_SASL_SECPROPS},
 109 #endif
 110
 111 #ifdef HAVE_GSSAPI
 112         {0, ATTR_GSSAPI,"GSSAPI_SIGN",                  NULL,   LDAP_OPT_SIGN},
 113         {0, ATTR_GSSAPI,"GSSAPI_ENCRYPT",               NULL,   LDAP_OPT_ENCRYPT},
 114         {0, ATTR_GSSAPI,"GSSAPI_ALLOW_REMOTE_PRINCIPAL",NULL,   LDAP_OPT_X_GSSAPI_ALLOW_REMOTE_PRINCIPAL},
 115 #endif
 116
 117 #ifdef HAVE_TLS
 118         {1, ATTR_TLS,   "TLS_CERT",                     NULL,   LDAP_OPT_X_TLS_CERTFILE},
 119         {1, ATTR_TLS,   "TLS_KEY",                      NULL,   LDAP_OPT_X_TLS_KEYFILE},
 120         {0, ATTR_TLS,   "TLS_CACERT",           NULL,   LDAP_OPT_X_TLS_CACERTFILE},
 121         {0, ATTR_TLS,   "TLS_CACERTDIR",        NULL,   LDAP_OPT_X_TLS_CACERTDIR},
 122         {0, ATTR_TLS,   "TLS_REQCERT",          NULL,   LDAP_OPT_X_TLS_REQUIRE_CERT},
 123         {0, ATTR_TLS,   "TLS_RANDFILE",         NULL,   LDAP_OPT_X_TLS_RANDOM_FILE},
 124         {0, ATTR_TLS,   "TLS_CIPHER_SUITE",     NULL,   LDAP_OPT_X_TLS_CIPHER_SUITE},
 125
 126 #ifdef HAVE_OPENSSL_CRL
 127         {0, ATTR_TLS,   "TLS_CRLCHECK",         NULL,   LDAP_OPT_X_TLS_CRLCHECK},
 128 #endif
 129 #ifdef HAVE_GNUTLS
 130         {0, ATTR_TLS,   "TLS_CRLFILE",                  NULL,   LDAP_OPT_X_TLS_CRLFILE},
 131 #endif
 132
 133 #endif
 134
 135         {0, ATTR_NONE,          NULL,           NULL,   0}
 136 };
 137
 138 #define MAX_LDAP_ATTR_LEN  sizeof("GSSAPI_ALLOW_REMOTE_PRINCIPAL")
 139 #define MAX_LDAP_ENV_PREFIX_LEN 8
 140
 141 static void openldap_ldap_init_w_conf(
 142         const char *file, int userconf )
 143 {
 144         char linebuf[ AC_LINE_MAX ];
 145         FILE *fp;
 146         int i;
 147         char *cmd, *opt;
 148         char *start, *end;
 149         struct ldapoptions *gopts;
 150
 151         if ((gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
 152                 return;                 /* Could not allocate mem for global options */
 153         }
 154
 155         if (file == NULL) {
 156                 /* no file name */
 157                 return;
 158         }
 159
 160         Debug(LDAP_DEBUG_TRACE, "ldap_init: trying %s\n", file, 0, 0);
 161
 162         fp = fopen(file, "r");
 163         if(fp == NULL) {
 164                 /* could not open file */
 165                 return;
 166         }
 167
 168         Debug(LDAP_DEBUG_TRACE, "ldap_init: using %s\n", file, 0, 0);
 169
 170         while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
 171                 /* skip lines starting with '#' */
 172                 if(*start == '#') continue;
 173
 174                 /* trim leading white space */
 175                 while((*start != '\0') && isspace((unsigned char) *start))
 176                         start++;
 177
 178                 /* anything left? */
 179                 if(*start == '\0') continue;
 180
 181                 /* trim trailing white space */
 182                 end = &start[strlen(start)-1];
 183                 while(isspace((unsigned char)*end)) end--;
 184                 end[1] = '\0';
 185
 186                 /* anything left? */
 187                 if(*start == '\0') continue;
 188
 189
 190                 /* parse the command */
 191                 cmd=start;
 192                 while((*start != '\0') && !isspace((unsigned char)*start)) {
 193                         start++;
 194                 }
 195                 if(*start == '\0') {
 196                         /* command has no argument */
 197                         continue;
 198                 }
 199
 200                 *start++ = '\0';
 201
 202                 /* we must have some whitespace to skip */
 203                 while(isspace((unsigned char)*start)) start++;
 204                 opt = start;
 205
 206                 for(i=0; attrs[i].type != ATTR_NONE; i++) {
 207                         void *p;
 208
 209                         if( !userconf && attrs[i].useronly ) {
 210                                 continue;
 211                         }
 212
 213                         if(strcasecmp(cmd, attrs[i].name) != 0) {
 214                                 continue;
 215                         }
 216
 217                         switch(attrs[i].type) {
 218                         case ATTR_BOOL:
 219                                 if((strcasecmp(opt, "on") == 0)
 220                                         || (strcasecmp(opt, "yes") == 0)
 221                                         || (strcasecmp(opt, "true") == 0))
 222                                 {
 223                                         LDAP_BOOL_SET(gopts, attrs[i].offset);
 224
 225                                 } else {
 226                                         LDAP_BOOL_CLR(gopts, attrs[i].offset);
 227                                 }
 228
 229                                 break;
 230
 231                         case ATTR_INT: {
 232                                 char *next;
 233                                 long l;
 234                                 p = &((char *) gopts)[attrs[i].offset];
 235                                 l = strtol( opt, &next, 10 );
 236                                 if ( next != opt && next[ 0 ] == '\0' ) {
 237                                         * (int*) p = l;
 238                                 }
 239                                 } break;
 240
 241                         case ATTR_KV: {
 242                                         const struct ol_keyvalue *kv;
 243
 244                                         for(kv = attrs[i].data;
 245                                                 kv->key != NULL;
 246                                                 kv++) {
 247
 248                                                 if(strcasecmp(opt, kv->key) == 0) {
 249                                                         p = &((char *) gopts)[attrs[i].offset];
 250                                                         * (int*) p = kv->value;
 251                                                         break;
 252                                                 }
 253                                         }
 254                                 } break;
 255
 256                         case ATTR_STRING:
 257                                 p = &((char *) gopts)[attrs[i].offset];
 258                                 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 259                                 * (char**) p = LDAP_STRDUP(opt);
 260                                 break;
 261                         case ATTR_OPTION:
 262                                 ldap_set_option( NULL, attrs[i].offset, opt );
 263                                 break;
 264                         case ATTR_SASL:
 265 #ifdef HAVE_CYRUS_SASL
 266                                 ldap_int_sasl_config( gopts, attrs[i].offset, opt );
 267 #endif
 268                                 break;
 269                         case ATTR_GSSAPI:
 270 #ifdef HAVE_GSSAPI
 271                                 ldap_int_gssapi_config( gopts, attrs[i].offset, opt );
 272 #endif
 273                                 break;
 274                         case ATTR_TLS:
 275 #ifdef HAVE_TLS
 276                                 ldap_int_tls_config( NULL, attrs[i].offset, opt );
 277 #endif
 278                                 break;
 279                         case ATTR_OPT_TV: {
 280                                 struct timeval tv;
 281                                 char *next;
 282                                 tv.tv_usec = 0;
 283                                 tv.tv_sec = strtol( opt, &next, 10 );
 284                                 if ( next != opt && next[ 0 ] == '\0' && tv.tv_sec > 0 ) {
 285                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&tv );
 286                                 }
 287                                 } break;
 288                         case ATTR_OPT_INT: {
 289                                 long l;
 290                                 char *next;
 291                                 l = strtol( opt, &next, 10 );
 292                                 if ( next != opt && next[ 0 ] == '\0' && l > 0 && (long)((int)l) == l ) {
 293                                         int v = (int)l;
 294                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&v );
 295                                 }
 296                                 } break;
 297                         }
 298
 299                         break;
 300                 }
 301         }
 302
 303         fclose(fp);
 304 }
 305
 306 static void openldap_ldap_init_w_sysconf(const char *file)
 307 {
 308         openldap_ldap_init_w_conf( file, 0 );
 309 }
 310
 311 static void openldap_ldap_init_w_userconf(const char *file)
 312 {
 313         char *home;
 314         char *path = NULL;
 315
 316         if (file == NULL) {
 317                 /* no file name */
 318                 return;
 319         }
 320
 321         home = getenv("HOME");
 322
 323         if (home != NULL) {
 324                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is %s\n",
 325                       home, 0, 0);
 326                 path = LDAP_MALLOC(strlen(home) + strlen(file) + sizeof( LDAP_DIRSEP "."));
 327         } else {
 328                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is NULL\n",
 329                       0, 0, 0);
 330         }
 331
 332         if(home != NULL && path != NULL) {
 333                 /* we assume UNIX path syntax is used... */
 334
 335                 /* try ~/file */
 336                 sprintf(path, "%s" LDAP_DIRSEP "%s", home, file);
 337                 openldap_ldap_init_w_conf(path, 1);
 338
 339                 /* try ~/.file */
 340                 sprintf(path, "%s" LDAP_DIRSEP ".%s", home, file);
 341                 openldap_ldap_init_w_conf(path, 1);
 342         }
 343
 344         if(path != NULL) {
 345                 LDAP_FREE(path);
 346         }
 347
 348         /* try file */
 349         openldap_ldap_init_w_conf(file, 1);
 350 }
 351
 352 static void openldap_ldap_init_w_env(
 353                 struct ldapoptions *gopts,
 354                 const char *prefix)
 355 {
 356         char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
 357         int len;
 358         int i;
 359         void *p;
 360         char *value;
 361
 362         if (prefix == NULL) {
 363                 prefix = LDAP_ENV_PREFIX;
 364         }
 365
 366         strncpy(buf, prefix, MAX_LDAP_ENV_PREFIX_LEN);
 367         buf[MAX_LDAP_ENV_PREFIX_LEN] = '\0';
 368         len = strlen(buf);
 369
 370         for(i=0; attrs[i].type != ATTR_NONE; i++) {
 371                 strcpy(&buf[len], attrs[i].name);
 372                 value = getenv(buf);
 373
 374                 if(value == NULL) {
 375                         continue;
 376                 }
 377
 378                 switch(attrs[i].type) {
 379                 case ATTR_BOOL:
 380                         if((strcasecmp(value, "on") == 0)
 381                                 || (strcasecmp(value, "yes") == 0)
 382                                 || (strcasecmp(value, "true") == 0))
 383                         {
 384                                 LDAP_BOOL_SET(gopts, attrs[i].offset);
 385
 386                         } else {
 387                                 LDAP_BOOL_CLR(gopts, attrs[i].offset);
 388                         }
 389                         break;
 390
 391                 case ATTR_INT:
 392                         p = &((char *) gopts)[attrs[i].offset];
 393                         * (int*) p = atoi(value);
 394                         break;
 395
 396                 case ATTR_KV: {
 397                                 const struct ol_keyvalue *kv;
 398
 399                                 for(kv = attrs[i].data;
 400                                         kv->key != NULL;
 401                                         kv++) {
 402
 403                                         if(strcasecmp(value, kv->key) == 0) {
 404                                                 p = &((char *) gopts)[attrs[i].offset];
 405                                                 * (int*) p = kv->value;
 406                                                 break;
 407                                         }
 408                                 }
 409                         } break;
 410
 411                 case ATTR_STRING:
 412                         p = &((char *) gopts)[attrs[i].offset];
 413                         if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 414                         if (*value == '\0') {
 415                                 * (char**) p = NULL;
 416                         } else {
 417                                 * (char**) p = LDAP_STRDUP(value);
 418                         }
 419                         break;
 420                 case ATTR_OPTION:
 421                         ldap_set_option( NULL, attrs[i].offset, value );
 422                         break;
 423                 case ATTR_SASL:
 424 #ifdef HAVE_CYRUS_SASL
 425                         ldap_int_sasl_config( gopts, attrs[i].offset, value );
 426 #endif
 427                         break;
 428                 case ATTR_TLS:
 429 #ifdef HAVE_TLS
 430                         ldap_int_tls_config( NULL, attrs[i].offset, value );
 431 #endif
 432                         break;
 433                 }
 434         }
 435 }
 436
 437 #if defined(__GNUC__)
 438 /* Declare this function as a destructor so that it will automatically be
 439  * invoked either at program exit (if libldap is a static library) or
 440  * at unload time (if libldap is a dynamic library).
 441  *
 442  * Sorry, don't know how to handle this for non-GCC environments.
 443  */
 444 static void ldap_int_destroy_global_options(void)
 445         __attribute__ ((destructor));
 446 #endif
 447
 448 static void
 449 ldap_int_destroy_global_options(void)
 450 {
 451         struct ldapoptions *gopts = LDAP_INT_GLOBAL_OPT();
 452
 453         if ( gopts == NULL )
 454                 return;
 455
 456         gopts->ldo_valid = LDAP_UNINITIALIZED;
 457
 458         if ( gopts->ldo_defludp ) {
 459                 ldap_free_urllist( gopts->ldo_defludp );
 460                 gopts->ldo_defludp = NULL;
 461         }
 462 #if defined(HAVE_WINSOCK) || defined(HAVE_WINSOCK2)
 463         WSACleanup( );
 464 #endif
 465
 466 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 467         if ( ldap_int_hostname ) {
 468                 LDAP_FREE( ldap_int_hostname );
 469                 ldap_int_hostname = NULL;
 470         }
 471 #endif
 472 #ifdef HAVE_CYRUS_SASL
 473         if ( gopts->ldo_def_sasl_authcid ) {
 474                 LDAP_FREE( gopts->ldo_def_sasl_authcid );
 475                 gopts->ldo_def_sasl_authcid = NULL;
 476         }
 477 #endif
 478 #ifdef HAVE_TLS
 479         ldap_int_tls_destroy( gopts );
 480 #endif
 481 }
 482
 483 /*
 484  * Initialize the global options structure with default values.
 485  */
 486 void ldap_int_initialize_global_options( struct ldapoptions *gopts, int *dbglvl )
 487 {
 488         if (dbglvl)
 489             gopts->ldo_debug = *dbglvl;
 490         else
 491                 gopts->ldo_debug = 0;
 492
 493         gopts->ldo_version   = LDAP_VERSION2;
 494         gopts->ldo_deref     = LDAP_DEREF_NEVER;
 495         gopts->ldo_timelimit = LDAP_NO_LIMIT;
 496         gopts->ldo_sizelimit = LDAP_NO_LIMIT;
 497
 498         gopts->ldo_tm_api.tv_sec = -1;
 499         gopts->ldo_tm_net.tv_sec = -1;
 500
 501         /* ldo_defludp will be freed by the termination handler
 502          */
 503         ldap_url_parselist(&gopts->ldo_defludp, "ldap://localhost/");
 504         gopts->ldo_defport = LDAP_PORT;
 505 #if !defined(__GNUC__) && !defined(PIC)
 506         /* Do this only for a static library, and only if we can't
 507          * arrange for it to be executed as a library destructor
 508          */
 509         atexit(ldap_int_destroy_global_options);
 510 #endif
 511
 512         gopts->ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
 513         gopts->ldo_rebind_proc = NULL;
 514         gopts->ldo_rebind_params = NULL;
 515
 516         LDAP_BOOL_ZERO(gopts);
 517
 518         LDAP_BOOL_SET(gopts, LDAP_BOOL_REFERRALS);
 519
 520 #ifdef LDAP_CONNECTIONLESS
 521         gopts->ldo_peer = NULL;
 522         gopts->ldo_cldapdn = NULL;
 523         gopts->ldo_is_udp = 0;
 524 #endif
 525
 526 #ifdef HAVE_CYRUS_SASL
 527         gopts->ldo_def_sasl_mech = NULL;
 528         gopts->ldo_def_sasl_realm = NULL;
 529         gopts->ldo_def_sasl_authcid = NULL;
 530         gopts->ldo_def_sasl_authzid = NULL;
 531
 532         memset( &gopts->ldo_sasl_secprops,
 533                 '\0', sizeof(gopts->ldo_sasl_secprops) );
 534
 535         gopts->ldo_sasl_secprops.max_ssf = INT_MAX;
 536         gopts->ldo_sasl_secprops.maxbufsize = SASL_MAX_BUFF_SIZE;
 537         gopts->ldo_sasl_secprops.security_flags =
 538                 SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
 539 #endif
 540
 541 #ifdef HAVE_TLS
 542         gopts->ldo_tls_connect_cb = NULL;
 543         gopts->ldo_tls_connect_arg = NULL;
 544         gopts->ldo_tls_require_cert = LDAP_OPT_X_TLS_DEMAND;
 545 #endif
 546
 547         gopts->ldo_valid = LDAP_INITIALIZED;
 548         return;
 549 }
 550
 551 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 552 char * ldap_int_hostname = NULL;
 553 #endif
 554
 555 void ldap_int_initialize( struct ldapoptions *gopts, int *dbglvl )
 556 {
 557         if ( gopts->ldo_valid == LDAP_INITIALIZED ) {
 558                 return;
 559         }
 560
 561         ldap_int_error_init();
 562
 563         ldap_int_utils_init();
 564
 565 #ifdef HAVE_WINSOCK2
 566 {       WORD wVersionRequested;
 567         WSADATA wsaData;
 568
 569         wVersionRequested = MAKEWORD( 2, 0 );
 570         if ( WSAStartup( wVersionRequested, &wsaData ) != 0 ) {
 571                 /* Tell the user that we couldn't find a usable */
 572                 /* WinSock DLL.                                  */
 573                 return;
 574         }
 575
 576         /* Confirm that the WinSock DLL supports 2.0.*/
 577         /* Note that if the DLL supports versions greater    */
 578         /* than 2.0 in addition to 2.0, it will still return */
 579         /* 2.0 in wVersion since that is the version we      */
 580         /* requested.                                        */
 581
 582         if ( LOBYTE( wsaData.wVersion ) != 2 ||
 583                 HIBYTE( wsaData.wVersion ) != 0 )
 584         {
 585             /* Tell the user that we couldn't find a usable */
 586             /* WinSock DLL.                                  */
 587             WSACleanup( );
 588             return;
 589         }
 590 }       /* The WinSock DLL is acceptable. Proceed. */
 591 #elif HAVE_WINSOCK
 592 {       WSADATA wsaData;
 593         if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
 594             return;
 595         }
 596 }
 597 #endif
 598
 599 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 600         {
 601                 char    *name = ldap_int_hostname;
 602
 603                 ldap_int_hostname = ldap_pvt_get_fqdn( name );
 604
 605                 if ( name != NULL && name != ldap_int_hostname ) {
 606                         LDAP_FREE( name );
 607                 }
 608         }
 609 #endif
 610
 611 #ifndef HAVE_POLL
 612         if ( ldap_int_tblsize == 0 ) ldap_int_ip_init();
 613 #endif
 614
 615         ldap_int_initialize_global_options(gopts, NULL);
 616
 617         if( getenv("LDAPNOINIT") != NULL ) {
 618                 return;
 619         }
 620
 621 #ifdef HAVE_CYRUS_SASL
 622         {
 623                 /* set authentication identity to current user name */
 624                 char *user = getenv("USER");
 625
 626                 if( user == NULL ) user = getenv("USERNAME");
 627                 if( user == NULL ) user = getenv("LOGNAME");
 628
 629                 if( user != NULL ) {
 630                         gopts->ldo_def_sasl_authcid = LDAP_STRDUP( user );
 631                 }
 632     }
 633 #endif
 634
 635         openldap_ldap_init_w_sysconf(LDAP_CONF_FILE);
 636
 637 #ifdef HAVE_GETEUID
 638         if ( geteuid() != getuid() )
 639                 return;
 640 #endif
 641
 642         openldap_ldap_init_w_userconf(LDAP_USERRC_FILE);
 643
 644         {
 645                 char *altfile = getenv(LDAP_ENV_PREFIX "CONF");
 646
 647                 if( altfile != NULL ) {
 648                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 649                               LDAP_ENV_PREFIX "CONF", altfile, 0);
 650                         openldap_ldap_init_w_sysconf( altfile );
 651                 }
 652                 else
 653                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 654                               LDAP_ENV_PREFIX "CONF", 0, 0);
 655         }
 656
 657         {
 658                 char *altfile = getenv(LDAP_ENV_PREFIX "RC");
 659
 660                 if( altfile != NULL ) {
 661                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 662                               LDAP_ENV_PREFIX "RC", altfile, 0);
 663                         openldap_ldap_init_w_userconf( altfile );
 664                 }
 665                 else
 666                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 667                               LDAP_ENV_PREFIX "RC", 0, 0);
 668         }
 669
 670         openldap_ldap_init_w_env(gopts, NULL);
 671 }