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 1998-2009 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         {0, ATTR_BOOL,          "SASL_NOCANON", NULL,   LDAP_BOOL_SASL_NOCANON},
 110 #endif
 111
 112 #ifdef HAVE_GSSAPI
 113         {0, ATTR_GSSAPI,"GSSAPI_SIGN",                  NULL,   LDAP_OPT_SIGN},
 114         {0, ATTR_GSSAPI,"GSSAPI_ENCRYPT",               NULL,   LDAP_OPT_ENCRYPT},
 115         {0, ATTR_GSSAPI,"GSSAPI_ALLOW_REMOTE_PRINCIPAL",NULL,   LDAP_OPT_X_GSSAPI_ALLOW_REMOTE_PRINCIPAL},
 116 #endif
 117
 118 #ifdef HAVE_TLS
 119         {1, ATTR_TLS,   "TLS_CERT",                     NULL,   LDAP_OPT_X_TLS_CERTFILE},
 120         {1, ATTR_TLS,   "TLS_KEY",                      NULL,   LDAP_OPT_X_TLS_KEYFILE},
 121         {0, ATTR_TLS,   "TLS_CACERT",           NULL,   LDAP_OPT_X_TLS_CACERTFILE},
 122         {0, ATTR_TLS,   "TLS_CACERTDIR",        NULL,   LDAP_OPT_X_TLS_CACERTDIR},
 123         {0, ATTR_TLS,   "TLS_REQCERT",          NULL,   LDAP_OPT_X_TLS_REQUIRE_CERT},
 124         {0, ATTR_TLS,   "TLS_RANDFILE",         NULL,   LDAP_OPT_X_TLS_RANDOM_FILE},
 125         {0, ATTR_TLS,   "TLS_CIPHER_SUITE",     NULL,   LDAP_OPT_X_TLS_CIPHER_SUITE},
 126
 127 #ifdef HAVE_OPENSSL_CRL
 128         {0, ATTR_TLS,   "TLS_CRLCHECK",         NULL,   LDAP_OPT_X_TLS_CRLCHECK},
 129 #endif
 130 #ifdef HAVE_GNUTLS
 131         {0, ATTR_TLS,   "TLS_CRLFILE",                  NULL,   LDAP_OPT_X_TLS_CRLFILE},
 132 #endif
 133
 134 #endif
 135
 136         {0, ATTR_NONE,          NULL,           NULL,   0}
 137 };
 138
 139 #define MAX_LDAP_ATTR_LEN  sizeof("GSSAPI_ALLOW_REMOTE_PRINCIPAL")
 140 #define MAX_LDAP_ENV_PREFIX_LEN 8
 141
 142 static void openldap_ldap_init_w_conf(
 143         const char *file, int userconf )
 144 {
 145         char linebuf[ AC_LINE_MAX ];
 146         FILE *fp;
 147         int i;
 148         char *cmd, *opt;
 149         char *start, *end;
 150         struct ldapoptions *gopts;
 151
 152         if ((gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
 153                 return;                 /* Could not allocate mem for global options */
 154         }
 155
 156         if (file == NULL) {
 157                 /* no file name */
 158                 return;
 159         }
 160
 161         Debug(LDAP_DEBUG_TRACE, "ldap_init: trying %s\n", file, 0, 0);
 162
 163         fp = fopen(file, "r");
 164         if(fp == NULL) {
 165                 /* could not open file */
 166                 return;
 167         }
 168
 169         Debug(LDAP_DEBUG_TRACE, "ldap_init: using %s\n", file, 0, 0);
 170
 171         while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
 172                 /* skip lines starting with '#' */
 173                 if(*start == '#') continue;
 174
 175                 /* trim leading white space */
 176                 while((*start != '\0') && isspace((unsigned char) *start))
 177                         start++;
 178
 179                 /* anything left? */
 180                 if(*start == '\0') continue;
 181
 182                 /* trim trailing white space */
 183                 end = &start[strlen(start)-1];
 184                 while(isspace((unsigned char)*end)) end--;
 185                 end[1] = '\0';
 186
 187                 /* anything left? */
 188                 if(*start == '\0') continue;
 189
 190
 191                 /* parse the command */
 192                 cmd=start;
 193                 while((*start != '\0') && !isspace((unsigned char)*start)) {
 194                         start++;
 195                 }
 196                 if(*start == '\0') {
 197                         /* command has no argument */
 198                         continue;
 199                 }
 200
 201                 *start++ = '\0';
 202
 203                 /* we must have some whitespace to skip */
 204                 while(isspace((unsigned char)*start)) start++;
 205                 opt = start;
 206
 207                 for(i=0; attrs[i].type != ATTR_NONE; i++) {
 208                         void *p;
 209
 210                         if( !userconf && attrs[i].useronly ) {
 211                                 continue;
 212                         }
 213
 214                         if(strcasecmp(cmd, attrs[i].name) != 0) {
 215                                 continue;
 216                         }
 217
 218                         switch(attrs[i].type) {
 219                         case ATTR_BOOL:
 220                                 if((strcasecmp(opt, "on") == 0)
 221                                         || (strcasecmp(opt, "yes") == 0)
 222                                         || (strcasecmp(opt, "true") == 0))
 223                                 {
 224                                         LDAP_BOOL_SET(gopts, attrs[i].offset);
 225
 226                                 } else {
 227                                         LDAP_BOOL_CLR(gopts, attrs[i].offset);
 228                                 }
 229
 230                                 break;
 231
 232                         case ATTR_INT: {
 233                                 char *next;
 234                                 long l;
 235                                 p = &((char *) gopts)[attrs[i].offset];
 236                                 l = strtol( opt, &next, 10 );
 237                                 if ( next != opt && next[ 0 ] == '\0' ) {
 238                                         * (int*) p = l;
 239                                 }
 240                                 } break;
 241
 242                         case ATTR_KV: {
 243                                         const struct ol_keyvalue *kv;
 244
 245                                         for(kv = attrs[i].data;
 246                                                 kv->key != NULL;
 247                                                 kv++) {
 248
 249                                                 if(strcasecmp(opt, kv->key) == 0) {
 250                                                         p = &((char *) gopts)[attrs[i].offset];
 251                                                         * (int*) p = kv->value;
 252                                                         break;
 253                                                 }
 254                                         }
 255                                 } break;
 256
 257                         case ATTR_STRING:
 258                                 p = &((char *) gopts)[attrs[i].offset];
 259                                 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 260                                 * (char**) p = LDAP_STRDUP(opt);
 261                                 break;
 262                         case ATTR_OPTION:
 263                                 ldap_set_option( NULL, attrs[i].offset, opt );
 264                                 break;
 265                         case ATTR_SASL:
 266 #ifdef HAVE_CYRUS_SASL
 267                                 ldap_int_sasl_config( gopts, attrs[i].offset, opt );
 268 #endif
 269                                 break;
 270                         case ATTR_GSSAPI:
 271 #ifdef HAVE_GSSAPI
 272                                 ldap_int_gssapi_config( gopts, attrs[i].offset, opt );
 273 #endif
 274                                 break;
 275                         case ATTR_TLS:
 276 #ifdef HAVE_TLS
 277                                 ldap_int_tls_config( NULL, attrs[i].offset, opt );
 278 #endif
 279                                 break;
 280                         case ATTR_OPT_TV: {
 281                                 struct timeval tv;
 282                                 char *next;
 283                                 tv.tv_usec = 0;
 284                                 tv.tv_sec = strtol( opt, &next, 10 );
 285                                 if ( next != opt && next[ 0 ] == '\0' && tv.tv_sec > 0 ) {
 286                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&tv );
 287                                 }
 288                                 } break;
 289                         case ATTR_OPT_INT: {
 290                                 long l;
 291                                 char *next;
 292                                 l = strtol( opt, &next, 10 );
 293                                 if ( next != opt && next[ 0 ] == '\0' && l > 0 && (long)((int)l) == l ) {
 294                                         int v = (int)l;
 295                                         (void)ldap_set_option( NULL, attrs[i].offset, (const void *)&v );
 296                                 }
 297                                 } break;
 298                         }
 299
 300                         break;
 301                 }
 302         }
 303
 304         fclose(fp);
 305 }
 306
 307 static void openldap_ldap_init_w_sysconf(const char *file)
 308 {
 309         openldap_ldap_init_w_conf( file, 0 );
 310 }
 311
 312 static void openldap_ldap_init_w_userconf(const char *file)
 313 {
 314         char *home;
 315         char *path = NULL;
 316
 317         if (file == NULL) {
 318                 /* no file name */
 319                 return;
 320         }
 321
 322         home = getenv("HOME");
 323
 324         if (home != NULL) {
 325                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is %s\n",
 326                       home, 0, 0);
 327                 path = LDAP_MALLOC(strlen(home) + strlen(file) + sizeof( LDAP_DIRSEP "."));
 328         } else {
 329                 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is NULL\n",
 330                       0, 0, 0);
 331         }
 332
 333         if(home != NULL && path != NULL) {
 334                 /* we assume UNIX path syntax is used... */
 335
 336                 /* try ~/file */
 337                 sprintf(path, "%s" LDAP_DIRSEP "%s", home, file);
 338                 openldap_ldap_init_w_conf(path, 1);
 339
 340                 /* try ~/.file */
 341                 sprintf(path, "%s" LDAP_DIRSEP ".%s", home, file);
 342                 openldap_ldap_init_w_conf(path, 1);
 343         }
 344
 345         if(path != NULL) {
 346                 LDAP_FREE(path);
 347         }
 348
 349         /* try file */
 350         openldap_ldap_init_w_conf(file, 1);
 351 }
 352
 353 static void openldap_ldap_init_w_env(
 354                 struct ldapoptions *gopts,
 355                 const char *prefix)
 356 {
 357         char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
 358         int len;
 359         int i;
 360         void *p;
 361         char *value;
 362
 363         if (prefix == NULL) {
 364                 prefix = LDAP_ENV_PREFIX;
 365         }
 366
 367         strncpy(buf, prefix, MAX_LDAP_ENV_PREFIX_LEN);
 368         buf[MAX_LDAP_ENV_PREFIX_LEN] = '\0';
 369         len = strlen(buf);
 370
 371         for(i=0; attrs[i].type != ATTR_NONE; i++) {
 372                 strcpy(&buf[len], attrs[i].name);
 373                 value = getenv(buf);
 374
 375                 if(value == NULL) {
 376                         continue;
 377                 }
 378
 379                 switch(attrs[i].type) {
 380                 case ATTR_BOOL:
 381                         if((strcasecmp(value, "on") == 0)
 382                                 || (strcasecmp(value, "yes") == 0)
 383                                 || (strcasecmp(value, "true") == 0))
 384                         {
 385                                 LDAP_BOOL_SET(gopts, attrs[i].offset);
 386
 387                         } else {
 388                                 LDAP_BOOL_CLR(gopts, attrs[i].offset);
 389                         }
 390                         break;
 391
 392                 case ATTR_INT:
 393                         p = &((char *) gopts)[attrs[i].offset];
 394                         * (int*) p = atoi(value);
 395                         break;
 396
 397                 case ATTR_KV: {
 398                                 const struct ol_keyvalue *kv;
 399
 400                                 for(kv = attrs[i].data;
 401                                         kv->key != NULL;
 402                                         kv++) {
 403
 404                                         if(strcasecmp(value, kv->key) == 0) {
 405                                                 p = &((char *) gopts)[attrs[i].offset];
 406                                                 * (int*) p = kv->value;
 407                                                 break;
 408                                         }
 409                                 }
 410                         } break;
 411
 412                 case ATTR_STRING:
 413                         p = &((char *) gopts)[attrs[i].offset];
 414                         if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
 415                         if (*value == '\0') {
 416                                 * (char**) p = NULL;
 417                         } else {
 418                                 * (char**) p = LDAP_STRDUP(value);
 419                         }
 420                         break;
 421                 case ATTR_OPTION:
 422                         ldap_set_option( NULL, attrs[i].offset, value );
 423                         break;
 424                 case ATTR_SASL:
 425 #ifdef HAVE_CYRUS_SASL
 426                         ldap_int_sasl_config( gopts, attrs[i].offset, value );
 427 #endif
 428                         break;
 429                 case ATTR_TLS:
 430 #ifdef HAVE_TLS
 431                         ldap_int_tls_config( NULL, attrs[i].offset, value );
 432 #endif
 433                         break;
 434                 }
 435         }
 436 }
 437
 438 #if defined(__GNUC__)
 439 /* Declare this function as a destructor so that it will automatically be
 440  * invoked either at program exit (if libldap is a static library) or
 441  * at unload time (if libldap is a dynamic library).
 442  *
 443  * Sorry, don't know how to handle this for non-GCC environments.
 444  */
 445 static void ldap_int_destroy_global_options(void)
 446         __attribute__ ((destructor));
 447 #endif
 448
 449 static void
 450 ldap_int_destroy_global_options(void)
 451 {
 452         struct ldapoptions *gopts = LDAP_INT_GLOBAL_OPT();
 453
 454         if ( gopts == NULL )
 455                 return;
 456
 457         gopts->ldo_valid = LDAP_UNINITIALIZED;
 458
 459         if ( gopts->ldo_defludp ) {
 460                 ldap_free_urllist( gopts->ldo_defludp );
 461                 gopts->ldo_defludp = NULL;
 462         }
 463 #if defined(HAVE_WINSOCK) || defined(HAVE_WINSOCK2)
 464         WSACleanup( );
 465 #endif
 466
 467 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 468         if ( ldap_int_hostname ) {
 469                 LDAP_FREE( ldap_int_hostname );
 470                 ldap_int_hostname = NULL;
 471         }
 472 #endif
 473 #ifdef HAVE_CYRUS_SASL
 474         if ( gopts->ldo_def_sasl_authcid ) {
 475                 LDAP_FREE( gopts->ldo_def_sasl_authcid );
 476                 gopts->ldo_def_sasl_authcid = NULL;
 477         }
 478 #endif
 479 #ifdef HAVE_TLS
 480         ldap_int_tls_destroy( gopts );
 481 #endif
 482 }
 483
 484 /*
 485  * Initialize the global options structure with default values.
 486  */
 487 void ldap_int_initialize_global_options( struct ldapoptions *gopts, int *dbglvl )
 488 {
 489         if (dbglvl)
 490             gopts->ldo_debug = *dbglvl;
 491         else
 492                 gopts->ldo_debug = 0;
 493
 494         gopts->ldo_version   = LDAP_VERSION2;
 495         gopts->ldo_deref     = LDAP_DEREF_NEVER;
 496         gopts->ldo_timelimit = LDAP_NO_LIMIT;
 497         gopts->ldo_sizelimit = LDAP_NO_LIMIT;
 498
 499         gopts->ldo_tm_api.tv_sec = -1;
 500         gopts->ldo_tm_net.tv_sec = -1;
 501
 502         /* ldo_defludp will be freed by the termination handler
 503          */
 504         ldap_url_parselist(&gopts->ldo_defludp, "ldap://localhost/");
 505         gopts->ldo_defport = LDAP_PORT;
 506 #if !defined(__GNUC__) && !defined(PIC)
 507         /* Do this only for a static library, and only if we can't
 508          * arrange for it to be executed as a library destructor
 509          */
 510         atexit(ldap_int_destroy_global_options);
 511 #endif
 512
 513         gopts->ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
 514         gopts->ldo_rebind_proc = NULL;
 515         gopts->ldo_rebind_params = NULL;
 516
 517         LDAP_BOOL_ZERO(gopts);
 518
 519         LDAP_BOOL_SET(gopts, LDAP_BOOL_REFERRALS);
 520
 521 #ifdef LDAP_CONNECTIONLESS
 522         gopts->ldo_peer = NULL;
 523         gopts->ldo_cldapdn = NULL;
 524         gopts->ldo_is_udp = 0;
 525 #endif
 526
 527 #ifdef HAVE_CYRUS_SASL
 528         gopts->ldo_def_sasl_mech = NULL;
 529         gopts->ldo_def_sasl_realm = NULL;
 530         gopts->ldo_def_sasl_authcid = NULL;
 531         gopts->ldo_def_sasl_authzid = NULL;
 532
 533         memset( &gopts->ldo_sasl_secprops,
 534                 '\0', sizeof(gopts->ldo_sasl_secprops) );
 535
 536         gopts->ldo_sasl_secprops.max_ssf = INT_MAX;
 537         gopts->ldo_sasl_secprops.maxbufsize = SASL_MAX_BUFF_SIZE;
 538         gopts->ldo_sasl_secprops.security_flags =
 539                 SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
 540 #endif
 541
 542 #ifdef HAVE_TLS
 543         gopts->ldo_tls_connect_cb = NULL;
 544         gopts->ldo_tls_connect_arg = NULL;
 545         gopts->ldo_tls_require_cert = LDAP_OPT_X_TLS_DEMAND;
 546 #endif
 547
 548         gopts->ldo_valid = LDAP_INITIALIZED;
 549         return;
 550 }
 551
 552 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 553 char * ldap_int_hostname = NULL;
 554 #endif
 555
 556 void ldap_int_initialize( struct ldapoptions *gopts, int *dbglvl )
 557 {
 558         if ( gopts->ldo_valid == LDAP_INITIALIZED ) {
 559                 return;
 560         }
 561
 562         ldap_int_error_init();
 563
 564         ldap_int_utils_init();
 565
 566 #ifdef HAVE_WINSOCK2
 567 {       WORD wVersionRequested;
 568         WSADATA wsaData;
 569
 570         wVersionRequested = MAKEWORD( 2, 0 );
 571         if ( WSAStartup( wVersionRequested, &wsaData ) != 0 ) {
 572                 /* Tell the user that we couldn't find a usable */
 573                 /* WinSock DLL.                                  */
 574                 return;
 575         }
 576
 577         /* Confirm that the WinSock DLL supports 2.0.*/
 578         /* Note that if the DLL supports versions greater    */
 579         /* than 2.0 in addition to 2.0, it will still return */
 580         /* 2.0 in wVersion since that is the version we      */
 581         /* requested.                                        */
 582
 583         if ( LOBYTE( wsaData.wVersion ) != 2 ||
 584                 HIBYTE( wsaData.wVersion ) != 0 )
 585         {
 586             /* Tell the user that we couldn't find a usable */
 587             /* WinSock DLL.                                  */
 588             WSACleanup( );
 589             return;
 590         }
 591 }       /* The WinSock DLL is acceptable. Proceed. */
 592 #elif HAVE_WINSOCK
 593 {       WSADATA wsaData;
 594         if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
 595             return;
 596         }
 597 }
 598 #endif
 599
 600 #if defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
 601         {
 602                 char    *name = ldap_int_hostname;
 603
 604                 ldap_int_hostname = ldap_pvt_get_fqdn( name );
 605
 606                 if ( name != NULL && name != ldap_int_hostname ) {
 607                         LDAP_FREE( name );
 608                 }
 609         }
 610 #endif
 611
 612 #ifndef HAVE_POLL
 613         if ( ldap_int_tblsize == 0 ) ldap_int_ip_init();
 614 #endif
 615
 616         ldap_int_initialize_global_options(gopts, NULL);
 617
 618         if( getenv("LDAPNOINIT") != NULL ) {
 619                 return;
 620         }
 621
 622 #ifdef HAVE_CYRUS_SASL
 623         {
 624                 /* set authentication identity to current user name */
 625                 char *user = getenv("USER");
 626
 627                 if( user == NULL ) user = getenv("USERNAME");
 628                 if( user == NULL ) user = getenv("LOGNAME");
 629
 630                 if( user != NULL ) {
 631                         gopts->ldo_def_sasl_authcid = LDAP_STRDUP( user );
 632                 }
 633     }
 634 #endif
 635
 636         openldap_ldap_init_w_sysconf(LDAP_CONF_FILE);
 637
 638 #ifdef HAVE_GETEUID
 639         if ( geteuid() != getuid() )
 640                 return;
 641 #endif
 642
 643         openldap_ldap_init_w_userconf(LDAP_USERRC_FILE);
 644
 645         {
 646                 char *altfile = getenv(LDAP_ENV_PREFIX "CONF");
 647
 648                 if( altfile != NULL ) {
 649                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 650                               LDAP_ENV_PREFIX "CONF", altfile, 0);
 651                         openldap_ldap_init_w_sysconf( altfile );
 652                 }
 653                 else
 654                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 655                               LDAP_ENV_PREFIX "CONF", 0, 0);
 656         }
 657
 658         {
 659                 char *altfile = getenv(LDAP_ENV_PREFIX "RC");
 660
 661                 if( altfile != NULL ) {
 662                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
 663                               LDAP_ENV_PREFIX "RC", altfile, 0);
 664                         openldap_ldap_init_w_userconf( altfile );
 665                 }
 666                 else
 667                         Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
 668                               LDAP_ENV_PREFIX "RC", 0, 0);
 669         }
 670
 671         openldap_ldap_init_w_env(gopts, NULL);
 672 }