1 /* backend.c - routines for dealing with back-end databases */
16 #include "ldap_defaults.h"
19 #include "back-ldap/external.h"
22 #include "back-ldbm/external.h"
25 #include "back-bdb2/external.h"
28 #include "back-passwd/external.h"
31 #include "back-perl/external.h"
34 #include "back-shell/external.h"
37 #include "back-tcl/external.h"
40 static BackendInfo binfo[] = {
41 #if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
42 {"ldap", ldap_back_initialize},
44 #if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
45 {"ldbm", ldbm_back_initialize},
47 #if defined(SLAPD_BDB2) && !defined(SLAPD_BDB2_DYNAMIC)
48 {"bdb2", bdb2_back_initialize},
50 #if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
51 {"passwd", passwd_back_initialize},
53 #if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
54 {"perl", perl_back_initialize},
56 #if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
57 {"shell", shell_back_initialize},
59 #if defined(SLAPD_TCL) && !defined(SLAPD_LDAP_TCL)
60 {"tcl", tcl_back_initialize},
66 BackendInfo *backendInfo = NULL;
69 BackendDB *backendDB = NULL;
71 int backend_init(void)
75 if((nBackendInfo != 0) || (backendInfo != NULL)) {
76 /* already initialized */
77 Debug( LDAP_DEBUG_ANY,
78 "backend_init: already initialized.\n", 0, 0, 0 );
83 binfo[nBackendInfo].bi_type != NULL;
86 rc = binfo[nBackendInfo].bi_init(
87 &binfo[nBackendInfo] );
90 Debug( LDAP_DEBUG_ANY,
91 "backend_init: initialized for type \"%s\"\n",
92 binfo[nBackendInfo].bi_type, 0, 0 );
94 /* destroy those we've already inited */
99 if ( binfo[nBackendInfo].bi_destroy ) {
100 binfo[nBackendInfo].bi_destroy(
101 &binfo[nBackendInfo] );
108 if ( nBackendInfo > 0) {
116 Debug( LDAP_DEBUG_ANY,
117 "backend_init: failed\n",
121 #endif /* SLAPD_MODULES */
124 int backend_add(BackendInfo *aBackendInfo)
128 if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) {
129 Debug( LDAP_DEBUG_ANY,
130 "backend_add: initialization for type \"%s\" failed\n",
131 aBackendInfo->bi_type, 0, 0 );
135 /* now add the backend type to the Backend Info List */
137 BackendInfo *newBackendInfo = 0;
139 /* if backendInfo == binfo no deallocation of old backendInfo */
140 if (backendInfo == binfo) {
141 newBackendInfo = ch_calloc(nBackendInfo + 1, sizeof(BackendInfo));
142 memcpy(newBackendInfo, backendInfo, sizeof(BackendInfo) *
145 newBackendInfo = ch_realloc(backendInfo, sizeof(BackendInfo) *
148 memcpy(&newBackendInfo[nBackendInfo], aBackendInfo,
149 sizeof(BackendInfo));
150 backendInfo = newBackendInfo;
157 int backend_startup(int n)
162 if( ! ( nBackendDB > 0 ) ) {
164 Debug( LDAP_DEBUG_ANY,
165 "backend_startup: %d databases to startup.\n",
171 /* startup a specific backend database */
172 Debug( LDAP_DEBUG_TRACE,
173 "backend_startup: starting database %d\n",
176 /* make sure, n does not exceed the number of backend databases */
177 if ( n >= nbackends ) {
179 Debug( LDAP_DEBUG_ANY,
180 "backend_startup: database number %d exceeding maximum (%d)\n",
185 if ( backendDB[n].bd_info->bi_open ) {
186 rc = backendDB[n].bd_info->bi_open(
187 backendDB[n].bd_info );
191 Debug( LDAP_DEBUG_ANY,
192 "backend_startup: bi_open failed!\n",
197 if ( backendDB[n].bd_info->bi_db_open ) {
198 rc = backendDB[n].bd_info->bi_db_open(
203 Debug( LDAP_DEBUG_ANY,
204 "backend_startup: bi_db_open failed!\n",
212 /* open each backend type */
213 for( i = 0; i < nBackendInfo; i++ ) {
214 if( backendInfo[i].bi_nDB == 0) {
215 /* no database of this type, don't open */
219 if( backendInfo[i].bi_open ) {
220 rc = backendInfo[i].bi_open(
225 Debug( LDAP_DEBUG_ANY,
226 "backend_startup: bi_open %d failed!\n",
232 /* open each backend database */
233 for( i = 0; i < nBackendDB; i++ ) {
234 if ( backendDB[i].bd_info->bi_db_open ) {
235 rc = backendDB[i].bd_info->bi_db_open(
240 Debug( LDAP_DEBUG_ANY,
241 "backend_startup: bi_db_open %d failed!\n",
250 int backend_shutdown(int n)
256 /* shutdown a specific backend database */
258 /* make sure, n does not exceed the number of backend databases */
259 if ( n >= nbackends ) {
261 Debug( LDAP_DEBUG_ANY,
262 "backend_startup: database number %d exceeding maximum (%d)\n",
267 if ( backendDB[n].bd_info->bi_nDB == 0 ) {
268 /* no database of this type, we never opened it */
272 if ( backendDB[n].bd_info->bi_db_close ) {
273 backendDB[n].bd_info->bi_db_close(
277 if( backendDB[n].bd_info->bi_close ) {
278 backendDB[n].bd_info->bi_close(
279 backendDB[n].bd_info );
285 /* close each backend database */
286 for( i = 0; i < nBackendDB; i++ ) {
289 if ( backendDB[i].bd_info->bi_db_close ) {
290 backendDB[i].bd_info->bi_db_close(
295 Debug( LDAP_DEBUG_ANY,
296 "backend_close: bi_close %s failed!\n",
301 /* close each backend type */
302 for( i = 0; i < nBackendInfo; i++ ) {
303 if( backendInfo[i].bi_nDB == 0 ) {
304 /* no database of this type */
308 if( backendInfo[i].bi_close ) {
309 backendInfo[i].bi_close(
317 int backend_destroy(void)
321 /* destroy each backend database */
322 for( i = 0; i < nBackendDB; i++ ) {
323 if ( backendDB[i].bd_info->bi_db_destroy ) {
324 backendDB[i].bd_info->bi_db_destroy(
329 /* destroy each backend type */
330 for( i = 0; i < nBackendInfo; i++ ) {
331 if( backendInfo[i].bi_destroy ) {
332 backendInfo[i].bi_destroy(
338 if (backendInfo != binfo) {
341 #endif /* SLAPD_MODULES */
349 BackendInfo* backend_info(char *type)
353 /* search for the backend type */
354 for( i = 0; i < nBackendInfo; i++ ) {
355 if( strcasecmp(backendInfo[i].bi_type, type) == 0 ) {
356 return &backendInfo[i];
370 BackendInfo *bi = backend_info(type);
374 fprintf( stderr, "Unrecognized database type (%s)\n", type );
378 backendDB = (BackendDB *) ch_realloc(
380 (nBackendDB + 1) * sizeof(Backend) );
382 memset( &backendDB[nbackends], '\0', sizeof(Backend) );
384 be = &backends[nbackends++];
387 be->be_sizelimit = defsize;
388 be->be_timelimit = deftime;
390 be->be_realm = global_realm != NULL
391 ? ch_strdup( global_realm ) : NULL;
394 rc = bi->bi_db_init( be );
398 fprintf( stderr, "database init failed (%s)\n", type );
412 for ( i = 0; i < nbackends; i++ ) {
413 if ( backends[i].bd_info->bi_db_close ) {
414 (*backends[i].bd_info->bi_db_close)( &backends[i] );
420 select_backend( char * dn )
422 int i, j, len, dnlen;
424 dnlen = strlen( dn );
425 for ( i = 0; i < nbackends; i++ ) {
426 for ( j = 0; backends[i].be_nsuffix != NULL &&
427 backends[i].be_nsuffix[j] != NULL; j++ )
429 len = strlen( backends[i].be_nsuffix[j] );
435 if ( strcmp( backends[i].be_nsuffix[j],
436 dn + (dnlen - len) ) == 0 ) {
437 return( &backends[i] );
442 #ifdef LDAP_ALLOW_NULL_SEARCH_BASE
443 /* Add greg@greg.rim.or.jp
444 * It's quick hack for cheap client
445 * Some browser offer a NULL base at ldap_search
447 * Should only be used as a last resort. -Kdz
450 Debug( LDAP_DEBUG_TRACE,
451 "select_backend: use default backend\n", 0, 0, 0 );
452 return( &backends[0] );
454 #endif /* LDAP_ALLOW_NULL_SEARCH_BASE */
467 for ( i = 0; be->be_nsuffix != NULL && be->be_nsuffix[i] != NULL; i++ ) {
468 if ( strcmp( be->be_nsuffix[i], suffix ) == 0 ) {
477 be_isroot( Backend *be, char *ndn )
481 if ( ndn == NULL || be->be_root_ndn == NULL ) {
485 rc = strcmp( be->be_root_ndn, ndn ) ? 0 : 1;
491 be_root_dn( Backend *be )
493 if ( be->be_root_dn == NULL ) {
497 return be->be_root_dn;
501 be_isroot_pw( Backend *be, char *ndn, struct berval *cred )
505 if ( ! be_isroot( be, ndn ) ) {
510 ldap_pvt_thread_mutex_lock( &crypt_mutex );
513 result = lutil_passwd( cred->bv_val, be->be_root_pw, NULL );
516 ldap_pvt_thread_mutex_unlock( &crypt_mutex );
523 be_entry_release_rw( Backend *be, Entry *e, int rw )
525 if ( be->be_release ) {
526 /* free and release entry from backend */
527 return be->be_release( be, e, rw );
543 for ( i = 0; i < nbackends; i++ ) {
544 if ( backends[i].be_unbind ) {
545 (*backends[i].be_unbind)( &backends[i], conn, op );
553 backend_connection_init(
559 for ( i = 0; i < nbackends; i++ ) {
560 if ( backends[i].be_connection_init ) {
561 (*backends[i].be_connection_init)( &backends[i], conn);
569 backend_connection_destroy(
575 for ( i = 0; i < nbackends; i++ ) {
576 if ( backends[i].be_connection_destroy ) {
577 (*backends[i].be_connection_destroy)( &backends[i], conn);
590 char *objectclassValue,
595 return( be->be_group(be, target, gr_ndn, op_ndn,
596 objectclassValue, groupattrName) );
601 #ifdef SLAPD_SCHEMA_DN
602 Attribute *backend_subschemasubentry( Backend *be )
604 /* should be backend specific */
605 static struct berval ss_val = {
606 sizeof(SLAPD_SCHEMA_DN)-1,
608 static struct berval *ss_vals[2] = { &ss_val, NULL };
609 static Attribute ss_attr = {
612 SYNTAX_DN | SYNTAX_CIS,