2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2004 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
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>.
19 #include <ac/stdlib.h>
21 #include <ac/socket.h>
22 #include <ac/string.h>
29 #include "ldap_defaults.h"
31 struct ldapoptions ldap_int_global_options =
32 { LDAP_UNINITIALIZED, LDAP_DEBUG_NONE };
49 static const struct ol_keyvalue deref_kv[] = {
50 {"never", LDAP_DEREF_NEVER},
51 {"searching", LDAP_DEREF_SEARCHING},
52 {"finding", LDAP_DEREF_FINDING},
53 {"always", LDAP_DEREF_ALWAYS},
57 static const struct ol_attribute {
64 {0, ATTR_KV, "DEREF", deref_kv, /* or &deref_kv[0] */
65 offsetof(struct ldapoptions, ldo_deref)},
66 {0, ATTR_INT, "SIZELIMIT", NULL,
67 offsetof(struct ldapoptions, ldo_sizelimit)},
68 {0, ATTR_INT, "TIMELIMIT", NULL,
69 offsetof(struct ldapoptions, ldo_timelimit)},
70 {1, ATTR_STRING, "BINDDN", NULL,
71 offsetof(struct ldapoptions, ldo_defbinddn)},
72 {0, ATTR_STRING, "BASE", NULL,
73 offsetof(struct ldapoptions, ldo_defbase)},
74 {0, ATTR_INT, "PORT", NULL, /* deprecated */
75 offsetof(struct ldapoptions, ldo_defport)},
76 {0, ATTR_OPTION, "HOST", NULL, LDAP_OPT_HOST_NAME}, /* deprecated */
77 {0, ATTR_OPTION, "URI", NULL, LDAP_OPT_URI}, /* replaces HOST/PORT */
78 {0, ATTR_BOOL, "REFERRALS", NULL, LDAP_BOOL_REFERRALS},
79 {0, ATTR_BOOL, "RESTART", NULL, LDAP_BOOL_RESTART},
81 #ifdef HAVE_CYRUS_SASL
82 {1, ATTR_STRING, "SASL_MECH", NULL,
83 offsetof(struct ldapoptions, ldo_def_sasl_mech)},
84 {1, ATTR_STRING, "SASL_REALM", NULL,
85 offsetof(struct ldapoptions, ldo_def_sasl_realm)},
86 {1, ATTR_STRING, "SASL_AUTHCID", NULL,
87 offsetof(struct ldapoptions, ldo_def_sasl_authcid)},
88 {1, ATTR_STRING, "SASL_AUTHZID", NULL,
89 offsetof(struct ldapoptions, ldo_def_sasl_authzid)},
90 {0, ATTR_SASL, "SASL_SECPROPS", NULL, LDAP_OPT_X_SASL_SECPROPS},
94 {1, ATTR_TLS, "TLS_CERT", NULL, LDAP_OPT_X_TLS_CERTFILE},
95 {1, ATTR_TLS, "TLS_KEY", NULL, LDAP_OPT_X_TLS_KEYFILE},
96 {0, ATTR_TLS, "TLS_CACERT", NULL, LDAP_OPT_X_TLS_CACERTFILE},
97 {0, ATTR_TLS, "TLS_CACERTDIR",NULL, LDAP_OPT_X_TLS_CACERTDIR},
98 {0, ATTR_TLS, "TLS_REQCERT", NULL, LDAP_OPT_X_TLS_REQUIRE_CERT},
99 {0, ATTR_TLS, "TLS_RANDFILE", NULL, LDAP_OPT_X_TLS_RANDOM_FILE},
102 {0, ATTR_NONE, NULL, NULL, 0}
105 #define MAX_LDAP_ATTR_LEN sizeof("TLS_CACERTDIR")
106 #define MAX_LDAP_ENV_PREFIX_LEN 8
108 static void openldap_ldap_init_w_conf(
109 const char *file, int userconf )
116 struct ldapoptions *gopts;
118 if ((gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
119 return; /* Could not allocate mem for global options */
128 LDAP_LOG ( CONFIG, DETAIL1,
129 "openldap_init_w_conf: trying %s\n", file, 0, 0 );
131 Debug(LDAP_DEBUG_TRACE, "ldap_init: trying %s\n", file, 0, 0);
134 fp = fopen(file, "r");
136 /* could not open file */
141 LDAP_LOG ( CONFIG, DETAIL1, "openldap_init_w_conf: using %s\n", file, 0, 0 );
143 Debug(LDAP_DEBUG_TRACE, "ldap_init: using %s\n", file, 0, 0);
146 while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
147 /* skip lines starting with '#' */
148 if(*start == '#') continue;
150 /* trim leading white space */
151 while((*start != '\0') && isspace((unsigned char) *start))
155 if(*start == '\0') continue;
157 /* trim trailing white space */
158 end = &start[strlen(start)-1];
159 while(isspace((unsigned char)*end)) end--;
163 if(*start == '\0') continue;
166 /* parse the command */
168 while((*start != '\0') && !isspace((unsigned char)*start)) {
172 /* command has no argument */
178 /* we must have some whitespace to skip */
179 while(isspace((unsigned char)*start)) start++;
182 for(i=0; attrs[i].type != ATTR_NONE; i++) {
185 if( !userconf && attrs[i].useronly ) {
189 if(strcasecmp(cmd, attrs[i].name) != 0) {
193 switch(attrs[i].type) {
195 if((strcasecmp(opt, "on") == 0)
196 || (strcasecmp(opt, "yes") == 0)
197 || (strcasecmp(opt, "true") == 0))
199 LDAP_BOOL_SET(gopts, attrs[i].offset);
202 LDAP_BOOL_CLR(gopts, attrs[i].offset);
208 p = &((char *) gopts)[attrs[i].offset];
209 * (int*) p = atoi(opt);
213 const struct ol_keyvalue *kv;
215 for(kv = attrs[i].data;
219 if(strcasecmp(opt, kv->key) == 0) {
220 p = &((char *) gopts)[attrs[i].offset];
221 * (int*) p = kv->value;
228 p = &((char *) gopts)[attrs[i].offset];
229 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
230 * (char**) p = LDAP_STRDUP(opt);
233 ldap_set_option( NULL, attrs[i].offset, opt );
236 #ifdef HAVE_CYRUS_SASL
237 ldap_int_sasl_config( gopts, attrs[i].offset, opt );
242 ldap_int_tls_config( NULL, attrs[i].offset, opt );
254 static void openldap_ldap_init_w_sysconf(const char *file)
256 openldap_ldap_init_w_conf( file, 0 );
259 static void openldap_ldap_init_w_userconf(const char *file)
269 home = getenv("HOME");
273 LDAP_LOG ( CONFIG, ARGS,
274 "openldap_init_w_userconf: HOME env is %s\n", home, 0, 0 );
276 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is %s\n",
279 path = LDAP_MALLOC(strlen(home) + strlen(file) + sizeof( LDAP_DIRSEP "."));
282 LDAP_LOG ( CONFIG, ARGS, "openldap_init_w_userconf: HOME env is NULL\n",
285 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is NULL\n",
290 if(home != NULL && path != NULL) {
291 /* we assume UNIX path syntax is used... */
294 sprintf(path, "%s" LDAP_DIRSEP "%s", home, file);
295 openldap_ldap_init_w_conf(path, 1);
298 sprintf(path, "%s" LDAP_DIRSEP ".%s", home, file);
299 openldap_ldap_init_w_conf(path, 1);
307 openldap_ldap_init_w_conf(file, 1);
310 static void openldap_ldap_init_w_env(
311 struct ldapoptions *gopts,
314 char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
320 if (prefix == NULL) {
321 prefix = LDAP_ENV_PREFIX;
324 strncpy(buf, prefix, MAX_LDAP_ENV_PREFIX_LEN);
325 buf[MAX_LDAP_ENV_PREFIX_LEN] = '\0';
328 for(i=0; attrs[i].type != ATTR_NONE; i++) {
329 strcpy(&buf[len], attrs[i].name);
336 switch(attrs[i].type) {
338 if((strcasecmp(value, "on") == 0)
339 || (strcasecmp(value, "yes") == 0)
340 || (strcasecmp(value, "true") == 0))
342 LDAP_BOOL_SET(gopts, attrs[i].offset);
345 LDAP_BOOL_CLR(gopts, attrs[i].offset);
350 p = &((char *) gopts)[attrs[i].offset];
351 * (int*) p = atoi(value);
355 const struct ol_keyvalue *kv;
357 for(kv = attrs[i].data;
361 if(strcasecmp(value, kv->key) == 0) {
362 p = &((char *) gopts)[attrs[i].offset];
363 * (int*) p = kv->value;
370 p = &((char *) gopts)[attrs[i].offset];
371 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
372 if (*value == '\0') {
375 * (char**) p = LDAP_STRDUP(value);
379 ldap_set_option( NULL, attrs[i].offset, value );
382 #ifdef HAVE_CYRUS_SASL
383 ldap_int_sasl_config( gopts, attrs[i].offset, value );
388 ldap_int_tls_config( NULL, attrs[i].offset, value );
395 #if defined(__GNUC__)
396 /* Declare this function as a destructor so that it will automatically be
397 * invoked either at program exit (if libldap is a static library) or
398 * at unload time (if libldap is a dynamic library).
400 * Sorry, don't know how to handle this for non-GCC environments.
402 static void ldap_int_destroy_global_options(void)
403 __attribute__ ((destructor));
407 ldap_int_destroy_global_options(void)
409 struct ldapoptions *gopts = LDAP_INT_GLOBAL_OPT();
411 gopts->ldo_valid = LDAP_UNINITIALIZED;
413 if ( gopts->ldo_defludp ) {
414 ldap_free_urllist( gopts->ldo_defludp );
415 gopts->ldo_defludp = NULL;
417 #if defined(HAVE_WINSOCK) || defined(HAVE_WINSOCK2)
423 * Initialize the global options structure with default values.
425 void ldap_int_initialize_global_options( struct ldapoptions *gopts, int *dbglvl )
428 gopts->ldo_debug = *dbglvl;
430 gopts->ldo_debug = 0;
432 gopts->ldo_version = LDAP_VERSION2;
433 gopts->ldo_deref = LDAP_DEREF_NEVER;
434 gopts->ldo_timelimit = LDAP_NO_LIMIT;
435 gopts->ldo_sizelimit = LDAP_NO_LIMIT;
437 gopts->ldo_tm_api = (struct timeval *)NULL;
438 gopts->ldo_tm_net = (struct timeval *)NULL;
440 /* ldo_defludp will be freed by the termination handler
442 ldap_url_parselist(&gopts->ldo_defludp, "ldap://localhost/");
443 gopts->ldo_defport = LDAP_PORT;
444 #if !defined(__GNUC__) && !defined(PIC)
445 /* Do this only for a static library, and only if we can't
446 * arrange for it to be executed as a library destructor
448 atexit(ldap_int_destroy_global_options);
451 gopts->ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
452 gopts->ldo_rebind_proc = NULL;
453 gopts->ldo_rebind_params = NULL;
455 LDAP_BOOL_ZERO(gopts);
457 LDAP_BOOL_SET(gopts, LDAP_BOOL_REFERRALS);
459 #ifdef LDAP_CONNECTIONLESS
460 gopts->ldo_peer = NULL;
461 gopts->ldo_cldapdn = NULL;
462 gopts->ldo_is_udp = 0;
465 #ifdef HAVE_CYRUS_SASL
466 gopts->ldo_def_sasl_mech = NULL;
467 gopts->ldo_def_sasl_realm = NULL;
468 gopts->ldo_def_sasl_authcid = NULL;
469 gopts->ldo_def_sasl_authzid = NULL;
471 memset( &gopts->ldo_sasl_secprops,
472 '\0', sizeof(gopts->ldo_sasl_secprops) );
474 gopts->ldo_sasl_secprops.max_ssf = INT_MAX;
475 gopts->ldo_sasl_secprops.maxbufsize = SASL_MAX_BUFF_SIZE;
476 gopts->ldo_sasl_secprops.security_flags =
477 SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
480 gopts->ldo_valid = LDAP_INITIALIZED;
484 #if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) \
485 || defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
486 char * ldap_int_hostname = NULL;
489 void ldap_int_initialize( struct ldapoptions *gopts, int *dbglvl )
491 if ( gopts->ldo_valid == LDAP_INITIALIZED ) {
495 ldap_int_error_init();
497 ldap_int_utils_init();
500 { WORD wVersionRequested;
503 wVersionRequested = MAKEWORD( 2, 0 );
504 if ( WSAStartup( wVersionRequested, &wsaData ) != 0 ) {
505 /* Tell the user that we couldn't find a usable */
510 /* Confirm that the WinSock DLL supports 2.0.*/
511 /* Note that if the DLL supports versions greater */
512 /* than 2.0 in addition to 2.0, it will still return */
513 /* 2.0 in wVersion since that is the version we */
516 if ( LOBYTE( wsaData.wVersion ) != 2 ||
517 HIBYTE( wsaData.wVersion ) != 0 )
519 /* Tell the user that we couldn't find a usable */
524 } /* The WinSock DLL is acceptable. Proceed. */
527 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
533 #if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) \
534 || defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
535 ldap_int_hostname = ldap_pvt_get_fqdn( ldap_int_hostname );
537 if ( ldap_int_tblsize == 0 )
540 ldap_int_initialize_global_options(gopts, NULL);
542 if( getenv("LDAPNOINIT") != NULL ) {
546 #ifdef HAVE_CYRUS_SASL
548 /* set authentication identity to current user name */
549 char *user = getenv("USER");
551 if( user == NULL ) user = getenv("USERNAME");
552 if( user == NULL ) user = getenv("LOGNAME");
555 gopts->ldo_def_sasl_authcid = user;
560 openldap_ldap_init_w_sysconf(LDAP_CONF_FILE);
561 openldap_ldap_init_w_userconf(LDAP_USERRC_FILE);
564 char *altfile = getenv(LDAP_ENV_PREFIX "CONF");
566 if( altfile != NULL ) {
568 LDAP_LOG ( CONFIG, DETAIL1,
569 "openldap_init_w_userconf: %sCONF env is %s\n",
570 LDAP_ENV_PREFIX, altfile, 0 );
572 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
573 LDAP_ENV_PREFIX "CONF", altfile, 0);
575 openldap_ldap_init_w_sysconf( altfile );
579 LDAP_LOG ( CONFIG, DETAIL1,
580 "openldap_init_w_userconf: %sCONF env is NULL\n",
581 LDAP_ENV_PREFIX, 0, 0 );
583 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
584 LDAP_ENV_PREFIX "CONF", 0, 0);
589 char *altfile = getenv(LDAP_ENV_PREFIX "RC");
591 if( altfile != NULL ) {
593 LDAP_LOG ( CONFIG, DETAIL1,
594 "openldap_init_w_userconf: %sRC env is %s\n",
595 LDAP_ENV_PREFIX, altfile, 0 );
597 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
598 LDAP_ENV_PREFIX "RC", altfile, 0);
600 openldap_ldap_init_w_userconf( altfile );
604 LDAP_LOG ( CONFIG, DETAIL1,
605 "openldap_init_w_userconf: %sRC env is NULL\n",
606 LDAP_ENV_PREFIX, 0, 0 );
608 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
609 LDAP_ENV_PREFIX "RC", 0, 0);
613 openldap_ldap_init_w_env(gopts, NULL);