1 /* backend.c - routines for dealing with back-end databases */
17 #include "back-ldap/external.h"
20 #include "back-ldbm/external.h"
23 #include "back-bdb2/external.h"
26 #include "back-passwd/external.h"
29 #include "back-perl/external.h"
32 #include "back-shell/external.h"
35 #include "back-tcl/external.h"
38 static BackendInfo binfo[] = {
39 #if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
40 {"ldap", ldap_back_initialize},
42 #if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
43 {"ldbm", ldbm_back_initialize},
45 #if defined(SLAPD_BDB2) && !defined(SLAPD_BDB2_DYNAMIC)
46 {"bdb2", bdb2_back_initialize},
48 #if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
49 {"passwd", passwd_back_initialize},
51 #if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
52 {"perl", perl_back_initialize},
54 #if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
55 {"shell", shell_back_initialize},
57 #if defined(SLAPD_TCL) && !defined(SLAPD_LDAP_TCL)
58 {"tcl", tcl_back_initialize},
64 BackendInfo *backendInfo = NULL;
67 BackendDB *backendDB = NULL;
69 int backend_init(void)
73 if((nBackendInfo != 0) || (backendInfo != NULL)) {
74 /* already initialized */
75 Debug( LDAP_DEBUG_ANY,
76 "backend_init: already initialized.\n", 0, 0, 0 );
81 binfo[nBackendInfo].bi_type != NULL;
84 rc = binfo[nBackendInfo].bi_init(
85 &binfo[nBackendInfo] );
88 Debug( LDAP_DEBUG_ANY,
89 "backend_init: initialized for type \"%s\"\n",
90 binfo[nBackendInfo].bi_type, 0, 0 );
92 /* destroy those we've already inited */
97 if ( binfo[nBackendInfo].bi_destroy ) {
98 binfo[nBackendInfo].bi_destroy(
99 &binfo[nBackendInfo] );
106 if ( nBackendInfo > 0) {
114 Debug( LDAP_DEBUG_ANY,
115 "backend_init: failed\n",
119 #endif /* SLAPD_MODULES */
122 int backend_add(BackendInfo *aBackendInfo)
126 if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) {
127 Debug( LDAP_DEBUG_ANY,
128 "backend_add: initialization for type \"%s\" failed\n",
129 aBackendInfo->bi_type, 0, 0 );
133 /* now add the backend type to the Backend Info List */
135 BackendInfo *newBackendInfo = 0;
137 /* if backendInfo == binfo no deallocation of old backendInfo */
138 if (backendInfo == binfo) {
139 newBackendInfo = ch_calloc(nBackendInfo + 1, sizeof(BackendInfo));
140 memcpy(newBackendInfo, backendInfo, sizeof(BackendInfo) *
143 newBackendInfo = ch_realloc(backendInfo, sizeof(BackendInfo) *
146 memcpy(&newBackendInfo[nBackendInfo], aBackendInfo,
147 sizeof(BackendInfo));
148 backendInfo = newBackendInfo;
155 int backend_startup(int n)
160 if( ! ( nBackendDB > 0 ) ) {
162 Debug( LDAP_DEBUG_ANY,
163 "backend_startup: %d databases to startup.\n",
169 /* startup a specific backend database */
170 Debug( LDAP_DEBUG_TRACE,
171 "backend_startup: starting database %d\n",
174 /* make sure, n does not exceed the number of backend databases */
175 if ( n >= nbackends ) {
177 Debug( LDAP_DEBUG_ANY,
178 "backend_startup: database number %d exceeding maximum (%d)\n",
183 if ( backendDB[n].bd_info->bi_open ) {
184 rc = backendDB[n].bd_info->bi_open(
185 backendDB[n].bd_info );
189 Debug( LDAP_DEBUG_ANY,
190 "backend_startup: bi_open failed!\n",
195 if ( backendDB[n].bd_info->bi_db_open ) {
196 rc = backendDB[n].bd_info->bi_db_open(
201 Debug( LDAP_DEBUG_ANY,
202 "backend_startup: bi_db_open failed!\n",
210 /* open each backend type */
211 for( i = 0; i < nBackendInfo; i++ ) {
212 if( backendInfo[i].bi_nDB == 0) {
213 /* no database of this type, don't open */
217 if( backendInfo[i].bi_open ) {
218 rc = backendInfo[i].bi_open(
223 Debug( LDAP_DEBUG_ANY,
224 "backend_startup: bi_open %d failed!\n",
230 /* open each backend database */
231 for( i = 0; i < nBackendDB; i++ ) {
232 if ( backendDB[i].bd_info->bi_db_open ) {
233 rc = backendDB[i].bd_info->bi_db_open(
238 Debug( LDAP_DEBUG_ANY,
239 "backend_startup: bi_db_open %d failed!\n",
248 int backend_shutdown(int n)
254 /* shutdown a specific backend database */
256 /* make sure, n does not exceed the number of backend databases */
257 if ( n >= nbackends ) {
259 Debug( LDAP_DEBUG_ANY,
260 "backend_startup: database number %d exceeding maximum (%d)\n",
265 if ( backendDB[n].bd_info->bi_nDB == 0 ) {
266 /* no database of this type, we never opened it */
270 if ( backendDB[n].bd_info->bi_db_close ) {
271 backendDB[n].bd_info->bi_db_close(
275 if( backendDB[n].bd_info->bi_close ) {
276 backendDB[n].bd_info->bi_close(
277 backendDB[n].bd_info );
283 /* close each backend database */
284 for( i = 0; i < nBackendDB; i++ ) {
287 if ( backendDB[i].bd_info->bi_db_close ) {
288 backendDB[i].bd_info->bi_db_close(
293 Debug( LDAP_DEBUG_ANY,
294 "backend_close: bi_close %s failed!\n",
299 /* close each backend type */
300 for( i = 0; i < nBackendInfo; i++ ) {
301 if( backendInfo[i].bi_nDB == 0 ) {
302 /* no database of this type */
306 if( backendInfo[i].bi_close ) {
307 backendInfo[i].bi_close(
315 int backend_destroy(void)
319 /* destroy each backend database */
320 for( i = 0; i < nBackendDB; i++ ) {
321 if ( backendDB[i].bd_info->bi_db_destroy ) {
322 backendDB[i].bd_info->bi_db_destroy(
327 /* destroy each backend type */
328 for( i = 0; i < nBackendInfo; i++ ) {
329 if( backendInfo[i].bi_destroy ) {
330 backendInfo[i].bi_destroy(
336 if (backendInfo != binfo) {
339 #endif /* SLAPD_MODULES */
347 BackendInfo* backend_info(char *type)
351 /* search for the backend type */
352 for( i = 0; i < nBackendInfo; i++ ) {
353 if( strcasecmp(backendInfo[i].bi_type, type) == 0 ) {
354 return &backendInfo[i];
368 BackendInfo *bi = backend_info(type);
372 fprintf( stderr, "Unrecognized database type (%s)\n", type );
376 backendDB = (BackendDB *) ch_realloc(
378 (nBackendDB + 1) * sizeof(Backend) );
380 memset( &backendDB[nbackends], '\0', sizeof(Backend) );
382 be = &backends[nbackends++];
385 be->be_sizelimit = defsize;
386 be->be_timelimit = deftime;
388 be->be_realm = global_realm != NULL
389 ? ch_strdup( global_realm ) : NULL;
392 rc = bi->bi_db_init( be );
396 fprintf( stderr, "database init failed (%s)\n", type );
410 for ( i = 0; i < nbackends; i++ ) {
411 if ( backends[i].bd_info->bi_db_close ) {
412 (*backends[i].bd_info->bi_db_close)( &backends[i] );
418 select_backend( char * dn )
420 int i, j, len, dnlen;
422 dnlen = strlen( dn );
423 for ( i = 0; i < nbackends; i++ ) {
424 for ( j = 0; backends[i].be_nsuffix != NULL &&
425 backends[i].be_nsuffix[j] != NULL; j++ )
427 len = strlen( backends[i].be_nsuffix[j] );
433 if ( strcmp( backends[i].be_nsuffix[j],
434 dn + (dnlen - len) ) == 0 ) {
435 return( &backends[i] );
440 #ifdef LDAP_ALLOW_NULL_SEARCH_BASE
441 /* Add greg@greg.rim.or.jp
442 * It's quick hack for cheap client
443 * Some browser offer a NULL base at ldap_search
445 * Should only be used as a last resort. -Kdz
448 Debug( LDAP_DEBUG_TRACE,
449 "select_backend: use default backend\n", 0, 0, 0 );
450 return( &backends[0] );
452 #endif /* LDAP_ALLOW_NULL_SEARCH_BASE */
465 for ( i = 0; be->be_nsuffix != NULL && be->be_nsuffix[i] != NULL; i++ ) {
466 if ( strcmp( be->be_nsuffix[i], suffix ) == 0 ) {
475 be_isroot( Backend *be, char *ndn )
479 if ( ndn == NULL || be->be_root_ndn == NULL ) {
483 rc = strcmp( be->be_root_ndn, ndn ) ? 0 : 1;
489 be_root_dn( Backend *be )
491 if ( be->be_root_dn == NULL ) {
495 return be->be_root_dn;
499 be_isroot_pw( Backend *be, char *ndn, struct berval *cred )
503 if ( ! be_isroot( be, ndn ) ) {
508 ldap_pvt_thread_mutex_lock( &crypt_mutex );
511 result = lutil_passwd( cred->bv_val, be->be_root_pw, NULL );
514 ldap_pvt_thread_mutex_unlock( &crypt_mutex );
521 be_entry_release_rw( Backend *be, Entry *e, int rw )
523 if ( be->be_release ) {
524 /* free and release entry from backend */
525 return be->be_release( be, e, rw );
541 for ( i = 0; i < nbackends; i++ ) {
542 if ( backends[i].be_unbind ) {
543 (*backends[i].be_unbind)( &backends[i], conn, op );
551 backend_connection_init(
557 for ( i = 0; i < nbackends; i++ ) {
558 if ( backends[i].be_connection_init ) {
559 (*backends[i].be_connection_init)( &backends[i], conn);
567 backend_connection_destroy(
573 for ( i = 0; i < nbackends; i++ ) {
574 if ( backends[i].be_connection_destroy ) {
575 (*backends[i].be_connection_destroy)( &backends[i], conn);
588 char *objectclassValue,
593 return( be->be_group(be, target, gr_ndn, op_ndn,
594 objectclassValue, groupattrName) );