1 /* dn2id.c - routines to deal with the dn2id index */
4 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/string.h>
13 #include <ac/socket.h>
16 #include "back-ldbm.h"
17 #include "proto-back-ldbm.h"
30 struct berval ptr, pdn;
33 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
34 "dn2id_add: (%s):%ld\n", dn->bv_val, id ));
36 Debug( LDAP_DEBUG_TRACE, "=> dn2id_add( \"%s\", %ld )\n", dn->bv_val, id, 0 );
41 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
44 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
45 "dn2id_add: couldn't open/create dn2id%s\n", LDBM_SUFFIX ));
47 Debug( LDAP_DEBUG_ANY, "Could not open/create dn2id%s\n",
54 ldbm_datum_init( key );
55 key.dsize = dn->bv_len + 2;
56 buf = ch_malloc( key.dsize );
58 buf[0] = DN_BASE_PREFIX;
60 ptr.bv_len = dn->bv_len;
61 strcpy( ptr.bv_val, dn->bv_val );
63 ldbm_datum_init( data );
64 data.dptr = (char *) &id;
65 data.dsize = sizeof(ID);
68 rc = ldbm_cache_store( db, key, data, flags );
70 if ( rc != -1 && !be_issuffix( be, &ptr )) {
71 buf[0] = DN_SUBTREE_PREFIX;
72 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
73 rc = idl_insert_key( be, db, key, id );
74 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
77 rc = dnParent( &ptr, &pdn );
79 if( rc == LDAP_SUCCESS ) {
80 pdn.bv_val[-1] = DN_ONE_PREFIX;
81 key.dsize = pdn.bv_len + 2;
82 key.dptr = pdn.bv_val - 1;
84 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
85 rc = idl_insert_key( be, db, key, id );
86 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
91 while ( rc != -1 && !be_issuffix( be, &ptr )) {
92 ptr.bv_val[-1] = DN_SUBTREE_PREFIX;
94 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
95 rc = idl_insert_key( be, db, key, id );
96 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
99 rc = dnParent( &ptr, &pdn );
100 key.dsize = pdn.bv_len + 2;
101 key.dptr = pdn.bv_val - 1;
106 ldbm_cache_close( be, db );
109 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
110 "dn2id_add: return %d\n", rc ));
112 Debug( LDAP_DEBUG_TRACE, "<= dn2id_add %d\n", rc, 0, 0 );
125 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
130 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
131 "dn2id: (%s)\n", dn->bv_val ));
133 Debug( LDAP_DEBUG_TRACE, "=> dn2id( \"%s\" )\n", dn->bv_val, 0, 0 );
138 /* first check the cache */
139 if ( (*idp = cache_find_entry_ndn2id( be, &li->li_cache, dn )) != NOID ) {
141 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
142 "dn2id: (%s)%ld in cache.\n", dn, *idp ));
144 Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld (in cache)\n", *idp,
151 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
154 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
155 "dn2id: couldn't open dn2id%s\n", LDBM_SUFFIX ));
157 Debug( LDAP_DEBUG_ANY, "<= dn2id could not open dn2id%s\n",
161 * return code !0 if ldbm cache open failed;
162 * callers should handle this
168 ldbm_datum_init( key );
170 key.dsize = dn->bv_len + 2;
171 key.dptr = ch_malloc( key.dsize );
172 sprintf( key.dptr, "%c%s", DN_BASE_PREFIX, dn->bv_val );
174 data = ldbm_cache_fetch( db, key );
176 ldbm_cache_close( be, db );
180 if ( data.dptr == NULL ) {
182 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
183 "dn2id: (%s) NOID\n", dn ));
185 Debug( LDAP_DEBUG_TRACE, "<= dn2id NOID\n", 0, 0, 0 );
192 AC_MEMCPY( (char *) idp, data.dptr, sizeof(ID) );
194 assert( *idp != NOID );
196 ldbm_datum_free( db->dbc_db, data );
199 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
200 "dn2id: %ld\n", *idp ));
202 Debug( LDAP_DEBUG_TRACE, "<= dn2id %ld\n", *idp, 0, 0 );
220 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
221 "dn2idl: \"%c%s\"\n", prefix, dn->bv_val ));
223 Debug( LDAP_DEBUG_TRACE, "=> dn2idl( \"%c%s\" )\n", prefix, dn->bv_val, 0 );
226 assert( idlp != NULL );
229 if ( prefix == DN_SUBTREE_PREFIX && be_issuffix(be, dn) ) {
230 *idlp = idl_allids( be );
234 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
237 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
238 "dn2idl: could not open dn2id%s\n", LDBM_SUFFIX ));
240 Debug( LDAP_DEBUG_ANY, "<= dn2idl could not open dn2id%s\n",
247 ldbm_datum_init( key );
249 key.dsize = dn->bv_len + 2;
250 key.dptr = ch_malloc( key.dsize );
251 sprintf( key.dptr, "%c%s", prefix, dn->bv_val );
253 *idlp = idl_fetch( be, db, key );
255 ldbm_cache_close( be, db );
274 struct berval ptr, pdn;
277 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
278 "dn2id_delete: (%s)%ld\n", dn->bv_val, id ));
280 Debug( LDAP_DEBUG_TRACE, "=> dn2id_delete( \"%s\", %ld )\n", dn->bv_val, id, 0 );
284 assert( id != NOID );
286 if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX, LDBM_WRCREAT ))
289 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
290 "dn2id_delete: couldn't open db2id%s\n", LDBM_SUFFIX ));
292 Debug( LDAP_DEBUG_ANY,
293 "<= dn2id_delete could not open dn2id%s\n", LDBM_SUFFIX,
300 ldbm_datum_init( key );
301 key.dsize = dn->bv_len + 2;
302 buf = ch_malloc( key.dsize );
304 buf[0] = DN_BASE_PREFIX;
305 ptr.bv_val = buf + 1;
306 ptr.bv_len = dn->bv_len;
307 strcpy( ptr.bv_val, dn->bv_val );
309 rc = ldbm_cache_delete( db, key );
311 if( !be_issuffix( be, &ptr )) {
312 buf[0] = DN_SUBTREE_PREFIX;
313 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
314 (void) idl_delete_key( be, db, key, id );
315 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
317 rc = dnParent( &ptr, &pdn );
319 if( rc == LDAP_SUCCESS ) {
320 pdn.bv_val[-1] = DN_ONE_PREFIX;
321 key.dsize = pdn.bv_len + 2;
322 key.dptr = pdn.bv_val - 1;
325 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
326 (void) idl_delete_key( be, db, key, id );
327 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
331 while ( rc != -1 && !be_issuffix( be, &ptr )) {
332 ptr.bv_val[-1] = DN_SUBTREE_PREFIX;
334 ldap_pvt_thread_mutex_lock( &db->dbc_write_mutex );
335 (void) idl_delete_key( be, db, key, id );
336 ldap_pvt_thread_mutex_unlock( &db->dbc_write_mutex );
338 rc = dnParent( &ptr, &pdn );
339 key.dsize = pdn.bv_len + 2;
340 key.dptr = pdn.bv_val - 1;
346 ldbm_cache_close( be, db );
349 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
350 "dn2id_delete: return %d\n", rc ));
352 Debug( LDAP_DEBUG_TRACE, "<= dn2id_delete %d\n", rc, 0, 0 );
359 * dn2entry - look up dn in the cache/indexes and return the corresponding
376 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
377 "dn2entry_rw: %s entry %s\n", rw ? "w" : "r",
380 Debug(LDAP_DEBUG_TRACE, "dn2entry_%s: dn: \"%s\"\n",
381 rw ? "w" : "r", dn->bv_val, 0);
385 if( matched != NULL ) {
386 /* caller cares about match */
390 if ( dn2id( be, dn, &id ) ) {
391 /* something bad happened to ldbm cache */
394 } else if ( id != NOID ) {
395 /* try to return the entry */
396 if ((e = id2entry_rw( be, id, rw )) != NULL ) {
401 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
402 "dn2entry_rw: no entry for valid id (%ld), dn (%s)\n",
405 Debug(LDAP_DEBUG_ANY,
406 "dn2entry_%s: no entry for valid id (%ld), dn \"%s\"\n",
407 rw ? "w" : "r", id, dn->bv_val);
410 /* must have been deleted from underneath us */
411 /* treat as if NOID was found */
414 /* caller doesn't care about match */
415 if( matched == NULL ) return NULL;
417 /* entry does not exist - see how much of the dn does exist */
418 if ( !be_issuffix( be, dn ) && dnParent( dn, &pdn ) == LDAP_SUCCESS
420 /* get entry with reader lock */
421 if ( (e = dn2entry_r( be, &pdn, matched )) != NULL ) {