2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2005 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},
100 {0, ATTR_TLS, "TLS_CIPHER_SUITE", NULL, LDAP_OPT_X_TLS_CIPHER_SUITE},
102 #ifdef HAVE_OPENSSL_CRL
103 {0, ATTR_TLS, "TLS_CRLCHECK", NULL, LDAP_OPT_X_TLS_CRLCHECK},
108 {0, ATTR_NONE, NULL, NULL, 0}
111 #define MAX_LDAP_ATTR_LEN sizeof("TLS_CACERTDIR")
112 #define MAX_LDAP_ENV_PREFIX_LEN 8
114 static void openldap_ldap_init_w_conf(
115 const char *file, int userconf )
122 struct ldapoptions *gopts;
124 if ((gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
125 return; /* Could not allocate mem for global options */
133 Debug(LDAP_DEBUG_TRACE, "ldap_init: trying %s\n", file, 0, 0);
135 fp = fopen(file, "r");
137 /* could not open file */
141 Debug(LDAP_DEBUG_TRACE, "ldap_init: using %s\n", file, 0, 0);
143 while((start = fgets(linebuf, sizeof(linebuf), fp)) != NULL) {
144 /* skip lines starting with '#' */
145 if(*start == '#') continue;
147 /* trim leading white space */
148 while((*start != '\0') && isspace((unsigned char) *start))
152 if(*start == '\0') continue;
154 /* trim trailing white space */
155 end = &start[strlen(start)-1];
156 while(isspace((unsigned char)*end)) end--;
160 if(*start == '\0') continue;
163 /* parse the command */
165 while((*start != '\0') && !isspace((unsigned char)*start)) {
169 /* command has no argument */
175 /* we must have some whitespace to skip */
176 while(isspace((unsigned char)*start)) start++;
179 for(i=0; attrs[i].type != ATTR_NONE; i++) {
182 if( !userconf && attrs[i].useronly ) {
186 if(strcasecmp(cmd, attrs[i].name) != 0) {
190 switch(attrs[i].type) {
192 if((strcasecmp(opt, "on") == 0)
193 || (strcasecmp(opt, "yes") == 0)
194 || (strcasecmp(opt, "true") == 0))
196 LDAP_BOOL_SET(gopts, attrs[i].offset);
199 LDAP_BOOL_CLR(gopts, attrs[i].offset);
205 p = &((char *) gopts)[attrs[i].offset];
206 * (int*) p = atoi(opt);
210 const struct ol_keyvalue *kv;
212 for(kv = attrs[i].data;
216 if(strcasecmp(opt, kv->key) == 0) {
217 p = &((char *) gopts)[attrs[i].offset];
218 * (int*) p = kv->value;
225 p = &((char *) gopts)[attrs[i].offset];
226 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
227 * (char**) p = LDAP_STRDUP(opt);
230 ldap_set_option( NULL, attrs[i].offset, opt );
233 #ifdef HAVE_CYRUS_SASL
234 ldap_int_sasl_config( gopts, attrs[i].offset, opt );
239 ldap_int_tls_config( NULL, attrs[i].offset, opt );
251 static void openldap_ldap_init_w_sysconf(const char *file)
253 openldap_ldap_init_w_conf( file, 0 );
256 static void openldap_ldap_init_w_userconf(const char *file)
266 home = getenv("HOME");
269 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is %s\n",
271 path = LDAP_MALLOC(strlen(home) + strlen(file) + sizeof( LDAP_DIRSEP "."));
273 Debug(LDAP_DEBUG_TRACE, "ldap_init: HOME env is NULL\n",
277 if(home != NULL && path != NULL) {
278 /* we assume UNIX path syntax is used... */
281 sprintf(path, "%s" LDAP_DIRSEP "%s", home, file);
282 openldap_ldap_init_w_conf(path, 1);
285 sprintf(path, "%s" LDAP_DIRSEP ".%s", home, file);
286 openldap_ldap_init_w_conf(path, 1);
294 openldap_ldap_init_w_conf(file, 1);
297 static void openldap_ldap_init_w_env(
298 struct ldapoptions *gopts,
301 char buf[MAX_LDAP_ATTR_LEN+MAX_LDAP_ENV_PREFIX_LEN];
307 if (prefix == NULL) {
308 prefix = LDAP_ENV_PREFIX;
311 strncpy(buf, prefix, MAX_LDAP_ENV_PREFIX_LEN);
312 buf[MAX_LDAP_ENV_PREFIX_LEN] = '\0';
315 for(i=0; attrs[i].type != ATTR_NONE; i++) {
316 strcpy(&buf[len], attrs[i].name);
323 switch(attrs[i].type) {
325 if((strcasecmp(value, "on") == 0)
326 || (strcasecmp(value, "yes") == 0)
327 || (strcasecmp(value, "true") == 0))
329 LDAP_BOOL_SET(gopts, attrs[i].offset);
332 LDAP_BOOL_CLR(gopts, attrs[i].offset);
337 p = &((char *) gopts)[attrs[i].offset];
338 * (int*) p = atoi(value);
342 const struct ol_keyvalue *kv;
344 for(kv = attrs[i].data;
348 if(strcasecmp(value, kv->key) == 0) {
349 p = &((char *) gopts)[attrs[i].offset];
350 * (int*) p = kv->value;
357 p = &((char *) gopts)[attrs[i].offset];
358 if (* (char**) p != NULL) LDAP_FREE(* (char**) p);
359 if (*value == '\0') {
362 * (char**) p = LDAP_STRDUP(value);
366 ldap_set_option( NULL, attrs[i].offset, value );
369 #ifdef HAVE_CYRUS_SASL
370 ldap_int_sasl_config( gopts, attrs[i].offset, value );
375 ldap_int_tls_config( NULL, attrs[i].offset, value );
382 #if defined(__GNUC__)
383 /* Declare this function as a destructor so that it will automatically be
384 * invoked either at program exit (if libldap is a static library) or
385 * at unload time (if libldap is a dynamic library).
387 * Sorry, don't know how to handle this for non-GCC environments.
389 static void ldap_int_destroy_global_options(void)
390 __attribute__ ((destructor));
394 ldap_int_destroy_global_options(void)
396 struct ldapoptions *gopts = LDAP_INT_GLOBAL_OPT();
398 gopts->ldo_valid = LDAP_UNINITIALIZED;
400 if ( gopts->ldo_defludp ) {
401 ldap_free_urllist( gopts->ldo_defludp );
402 gopts->ldo_defludp = NULL;
404 #if defined(HAVE_WINSOCK) || defined(HAVE_WINSOCK2)
410 * Initialize the global options structure with default values.
412 void ldap_int_initialize_global_options( struct ldapoptions *gopts, int *dbglvl )
415 gopts->ldo_debug = *dbglvl;
417 gopts->ldo_debug = 0;
419 gopts->ldo_version = LDAP_VERSION2;
420 gopts->ldo_deref = LDAP_DEREF_NEVER;
421 gopts->ldo_timelimit = LDAP_NO_LIMIT;
422 gopts->ldo_sizelimit = LDAP_NO_LIMIT;
424 gopts->ldo_tm_api = (struct timeval *)NULL;
425 gopts->ldo_tm_net = (struct timeval *)NULL;
427 /* ldo_defludp will be freed by the termination handler
429 ldap_url_parselist(&gopts->ldo_defludp, "ldap://localhost/");
430 gopts->ldo_defport = LDAP_PORT;
431 #if !defined(__GNUC__) && !defined(PIC)
432 /* Do this only for a static library, and only if we can't
433 * arrange for it to be executed as a library destructor
435 atexit(ldap_int_destroy_global_options);
438 gopts->ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
439 gopts->ldo_rebind_proc = NULL;
440 gopts->ldo_rebind_params = NULL;
442 LDAP_BOOL_ZERO(gopts);
444 LDAP_BOOL_SET(gopts, LDAP_BOOL_REFERRALS);
446 #ifdef LDAP_CONNECTIONLESS
447 gopts->ldo_peer = NULL;
448 gopts->ldo_cldapdn = NULL;
449 gopts->ldo_is_udp = 0;
452 #ifdef HAVE_CYRUS_SASL
453 gopts->ldo_def_sasl_mech = NULL;
454 gopts->ldo_def_sasl_realm = NULL;
455 gopts->ldo_def_sasl_authcid = NULL;
456 gopts->ldo_def_sasl_authzid = NULL;
458 memset( &gopts->ldo_sasl_secprops,
459 '\0', sizeof(gopts->ldo_sasl_secprops) );
461 gopts->ldo_sasl_secprops.max_ssf = INT_MAX;
462 gopts->ldo_sasl_secprops.maxbufsize = SASL_MAX_BUFF_SIZE;
463 gopts->ldo_sasl_secprops.security_flags =
464 SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
468 gopts->ldo_tls_connect_cb = NULL;
469 gopts->ldo_tls_connect_arg = NULL;
472 gopts->ldo_valid = LDAP_INITIALIZED;
476 #if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) \
477 || defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
478 char * ldap_int_hostname = NULL;
481 void ldap_int_initialize( struct ldapoptions *gopts, int *dbglvl )
483 if ( gopts->ldo_valid == LDAP_INITIALIZED ) {
487 ldap_int_error_init();
489 ldap_int_utils_init();
492 { WORD wVersionRequested;
495 wVersionRequested = MAKEWORD( 2, 0 );
496 if ( WSAStartup( wVersionRequested, &wsaData ) != 0 ) {
497 /* Tell the user that we couldn't find a usable */
502 /* Confirm that the WinSock DLL supports 2.0.*/
503 /* Note that if the DLL supports versions greater */
504 /* than 2.0 in addition to 2.0, it will still return */
505 /* 2.0 in wVersion since that is the version we */
508 if ( LOBYTE( wsaData.wVersion ) != 2 ||
509 HIBYTE( wsaData.wVersion ) != 0 )
511 /* Tell the user that we couldn't find a usable */
516 } /* The WinSock DLL is acceptable. Proceed. */
519 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
525 #if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) \
526 || defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
527 ldap_int_hostname = ldap_pvt_get_fqdn( ldap_int_hostname );
531 if ( ldap_int_tblsize == 0 ) ldap_int_ip_init();
534 ldap_int_initialize_global_options(gopts, NULL);
536 if( getenv("LDAPNOINIT") != NULL ) {
540 #ifdef HAVE_CYRUS_SASL
542 /* set authentication identity to current user name */
543 char *user = getenv("USER");
545 if( user == NULL ) user = getenv("USERNAME");
546 if( user == NULL ) user = getenv("LOGNAME");
549 gopts->ldo_def_sasl_authcid = user;
554 openldap_ldap_init_w_sysconf(LDAP_CONF_FILE);
555 openldap_ldap_init_w_userconf(LDAP_USERRC_FILE);
558 char *altfile = getenv(LDAP_ENV_PREFIX "CONF");
560 if( altfile != NULL ) {
561 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
562 LDAP_ENV_PREFIX "CONF", altfile, 0);
563 openldap_ldap_init_w_sysconf( altfile );
566 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
567 LDAP_ENV_PREFIX "CONF", 0, 0);
571 char *altfile = getenv(LDAP_ENV_PREFIX "RC");
573 if( altfile != NULL ) {
574 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is %s\n",
575 LDAP_ENV_PREFIX "RC", altfile, 0);
576 openldap_ldap_init_w_userconf( altfile );
579 Debug(LDAP_DEBUG_TRACE, "ldap_init: %s env is NULL\n",
580 LDAP_ENV_PREFIX "RC", 0, 0);
583 openldap_ldap_init_w_env(gopts, NULL);