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Viewing changes to servers/slapd/back-bdb/delete.c

  • Committer: Bazaar Package Importer
  • Author(s): Mathias Gug
  • Date: 2008-07-10 14:45:49 UTC
  • Revision ID: james.westby@ubuntu.com-20080710144549-wck73med0e72gfyo
Tags: upstream-2.4.10
Import upstream version 2.4.10

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servers/slapd/back-bdb/delete.c
 
1
/* delete.c - bdb backend delete routine */
 
2
/* $OpenLDAP: pkg/ldap/servers/slapd/back-bdb/delete.c,v 1.155.2.8 2008/05/01 21:39:35 quanah Exp $ */
 
3
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 
4
 *
 
5
 * Copyright 2000-2008 The OpenLDAP Foundation.
 
6
 * All rights reserved.
 
7
 *
 
8
 * Redistribution and use in source and binary forms, with or without
 
9
 * modification, are permitted only as authorized by the OpenLDAP
 
10
 * Public License.
 
11
 *
 
12
 * A copy of this license is available in the file LICENSE in the
 
13
 * top-level directory of the distribution or, alternatively, at
 
14
 * <http://www.OpenLDAP.org/license.html>.
 
15
 */
 
16
 
 
17
#include "portable.h"
 
18
 
 
19
#include <stdio.h>
 
20
#include <ac/string.h>
 
21
 
 
22
#include "lutil.h"
 
23
#include "back-bdb.h"
 
24
 
 
25
int
 
26
bdb_delete( Operation *op, SlapReply *rs )
 
27
{
 
28
        struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
 
29
        Entry   *matched = NULL;
 
30
        struct berval   pdn = {0, NULL};
 
31
        Entry   *e = NULL;
 
32
        Entry   *p = NULL;
 
33
        EntryInfo       *ei = NULL, *eip = NULL;
 
34
        int             manageDSAit = get_manageDSAit( op );
 
35
        AttributeDescription *children = slap_schema.si_ad_children;
 
36
        AttributeDescription *entry = slap_schema.si_ad_entry;
 
37
        DB_TXN          *ltid = NULL, *lt2;
 
38
        struct bdb_op_info opinfo = {0};
 
39
        ID      eid;
 
40
 
 
41
        BDB_LOCKER      locker = 0;
 
42
        DB_LOCK         lock, plock;
 
43
 
 
44
        int             num_retries = 0;
 
45
 
 
46
        int     rc;
 
47
 
 
48
        LDAPControl **preread_ctrl = NULL;
 
49
        LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 
50
        int num_ctrls = 0;
 
51
 
 
52
        int     parent_is_glue = 0;
 
53
        int parent_is_leaf = 0;
 
54
 
 
55
#ifdef LDAP_X_TXN
 
56
        int settle = 0;
 
57
#endif
 
58
 
 
59
        Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_delete) ": %s\n",
 
60
                op->o_req_dn.bv_val, 0, 0 );
 
61
 
 
62
#ifdef LDAP_X_TXN
 
63
        if( op->o_txnSpec ) {
 
64
                /* acquire connection lock */
 
65
                ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 
66
                if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
 
67
                        rs->sr_text = "invalid transaction identifier";
 
68
                        rs->sr_err = LDAP_X_TXN_ID_INVALID;
 
69
                        goto txnReturn;
 
70
                } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
 
71
                        settle=1;
 
72
                        goto txnReturn;
 
73
                }
 
74
 
 
75
                if( op->o_conn->c_txn_backend == NULL ) {
 
76
                        op->o_conn->c_txn_backend = op->o_bd;
 
77
 
 
78
                } else if( op->o_conn->c_txn_backend != op->o_bd ) {
 
79
                        rs->sr_text = "transaction cannot span multiple database contexts";
 
80
                        rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
 
81
                        goto txnReturn;
 
82
                }
 
83
 
 
84
                /* insert operation into transaction */
 
85
 
 
86
                rs->sr_text = "transaction specified";
 
87
                rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
 
88
 
 
89
txnReturn:
 
90
                /* release connection lock */
 
91
                ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 
92
 
 
93
                if( !settle ) {
 
94
                        send_ldap_result( op, rs );
 
95
                        return rs->sr_err;
 
96
                }
 
97
        }
 
98
#endif
 
99
 
 
100
        ctrls[num_ctrls] = 0;
 
101
 
 
102
        /* allocate CSN */
 
103
        if ( BER_BVISNULL( &op->o_csn ) ) {
 
104
                struct berval csn;
 
105
                char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
 
106
 
 
107
                csn.bv_val = csnbuf;
 
108
                csn.bv_len = sizeof(csnbuf);
 
109
                slap_get_csn( op, &csn, 1 );
 
110
        }
 
111
 
 
112
        if( 0 ) {
 
113
retry:  /* transaction retry */
 
114
                if( e != NULL ) {
 
115
                        bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 
116
                        e = NULL;
 
117
                }
 
118
                if( p != NULL ) {
 
119
                        bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 
120
                        p = NULL;
 
121
                }
 
122
                Debug( LDAP_DEBUG_TRACE,
 
123
                        "==> " LDAP_XSTRING(bdb_delete) ": retrying...\n",
 
124
                        0, 0, 0 );
 
125
                rs->sr_err = TXN_ABORT( ltid );
 
126
                ltid = NULL;
 
127
                LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 
128
                opinfo.boi_oe.oe_key = NULL;
 
129
                op->o_do_not_cache = opinfo.boi_acl_cache;
 
130
                if( rs->sr_err != 0 ) {
 
131
                        rs->sr_err = LDAP_OTHER;
 
132
                        rs->sr_text = "internal error";
 
133
                        goto return_results;
 
134
                }
 
135
                if ( op->o_abandon ) {
 
136
                        rs->sr_err = SLAPD_ABANDON;
 
137
                        goto return_results;
 
138
                }
 
139
                parent_is_glue = 0;
 
140
                parent_is_leaf = 0;
 
141
                bdb_trans_backoff( ++num_retries );
 
142
        }
 
143
 
 
144
        /* begin transaction */
 
145
        rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, 
 
146
                bdb->bi_db_opflags );
 
147
        rs->sr_text = NULL;
 
148
        if( rs->sr_err != 0 ) {
 
149
                Debug( LDAP_DEBUG_TRACE,
 
150
                        LDAP_XSTRING(bdb_delete) ": txn_begin failed: "
 
151
                        "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 
152
                rs->sr_err = LDAP_OTHER;
 
153
                rs->sr_text = "internal error";
 
154
                goto return_results;
 
155
        }
 
156
 
 
157
        locker = TXN_ID ( ltid );
 
158
 
 
159
        opinfo.boi_oe.oe_key = bdb;
 
160
        opinfo.boi_txn = ltid;
 
161
        opinfo.boi_err = 0;
 
162
        opinfo.boi_acl_cache = op->o_do_not_cache;
 
163
        LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );
 
164
 
 
165
        if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
 
166
                dnParent( &op->o_req_ndn, &pdn );
 
167
        }
 
168
 
 
169
        /* get entry */
 
170
        rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 
171
                locker, &lock );
 
172
 
 
173
        switch( rs->sr_err ) {
 
174
        case 0:
 
175
        case DB_NOTFOUND:
 
176
                break;
 
177
        case DB_LOCK_DEADLOCK:
 
178
        case DB_LOCK_NOTGRANTED:
 
179
                goto retry;
 
180
        case LDAP_BUSY:
 
181
                rs->sr_text = "ldap server busy";
 
182
                goto return_results;
 
183
        default:
 
184
                rs->sr_err = LDAP_OTHER;
 
185
                rs->sr_text = "internal error";
 
186
                goto return_results;
 
187
        }
 
188
 
 
189
        if ( rs->sr_err == 0 ) {
 
190
                e = ei->bei_e;
 
191
                eip = ei->bei_parent;
 
192
        } else {
 
193
                matched = ei->bei_e;
 
194
        }
 
195
 
 
196
        /* FIXME : dn2entry() should return non-glue entry */
 
197
        if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
 
198
                Debug( LDAP_DEBUG_ARGS,
 
199
                        "<=- " LDAP_XSTRING(bdb_delete) ": no such object %s\n",
 
200
                        op->o_req_dn.bv_val, 0, 0);
 
201
 
 
202
                if ( matched != NULL ) {
 
203
                        rs->sr_matched = ch_strdup( matched->e_dn );
 
204
                        rs->sr_ref = is_entry_referral( matched )
 
205
                                ? get_entry_referrals( op, matched )
 
206
                                : NULL;
 
207
                        bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
 
208
                        matched = NULL;
 
209
 
 
210
                } else {
 
211
                        rs->sr_ref = referral_rewrite( default_referral, NULL,
 
212
                                        &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 
213
                }
 
214
 
 
215
                rs->sr_err = LDAP_REFERRAL;
 
216
                rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 
217
                goto return_results;
 
218
        }
 
219
 
 
220
        rc = bdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, locker, &plock );
 
221
        switch( rc ) {
 
222
        case DB_LOCK_DEADLOCK:
 
223
        case DB_LOCK_NOTGRANTED:
 
224
                goto retry;
 
225
        case 0:
 
226
        case DB_NOTFOUND:
 
227
                break;
 
228
        default:
 
229
                rs->sr_err = LDAP_OTHER;
 
230
                rs->sr_text = "internal error";
 
231
                goto return_results;
 
232
        }
 
233
        if ( eip ) p = eip->bei_e;
 
234
 
 
235
        if ( pdn.bv_len != 0 ) {
 
236
                if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
 
237
                        Debug( LDAP_DEBUG_TRACE,
 
238
                                "<=- " LDAP_XSTRING(bdb_delete) ": parent "
 
239
                                "does not exist\n", 0, 0, 0 );
 
240
                        rs->sr_err = LDAP_OTHER;
 
241
                        rs->sr_text = "could not locate parent of entry";
 
242
                        goto return_results;
 
243
                }
 
244
 
 
245
                /* check parent for "children" acl */
 
246
                rs->sr_err = access_allowed( op, p,
 
247
                        children, NULL, ACL_WDEL, NULL );
 
248
 
 
249
                if ( !rs->sr_err  ) {
 
250
                        switch( opinfo.boi_err ) {
 
251
                        case DB_LOCK_DEADLOCK:
 
252
                        case DB_LOCK_NOTGRANTED:
 
253
                                goto retry;
 
254
                        }
 
255
 
 
256
                        Debug( LDAP_DEBUG_TRACE,
 
257
                                "<=- " LDAP_XSTRING(bdb_delete) ": no write "
 
258
                                "access to parent\n", 0, 0, 0 );
 
259
                        rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 
260
                        rs->sr_text = "no write access to parent";
 
261
                        goto return_results;
 
262
                }
 
263
 
 
264
        } else {
 
265
                /* no parent, must be root to delete */
 
266
                if( ! be_isroot( op ) ) {
 
267
                        if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 
268
                                || be_shadow_update( op ) ) {
 
269
                                p = (Entry *)&slap_entry_root;
 
270
 
 
271
                                /* check parent for "children" acl */
 
272
                                rs->sr_err = access_allowed( op, p,
 
273
                                        children, NULL, ACL_WDEL, NULL );
 
274
 
 
275
                                p = NULL;
 
276
 
 
277
                                if ( !rs->sr_err  ) {
 
278
                                        switch( opinfo.boi_err ) {
 
279
                                        case DB_LOCK_DEADLOCK:
 
280
                                        case DB_LOCK_NOTGRANTED:
 
281
                                                goto retry;
 
282
                                        }
 
283
 
 
284
                                        Debug( LDAP_DEBUG_TRACE,
 
285
                                                "<=- " LDAP_XSTRING(bdb_delete)
 
286
                                                ": no access to parent\n",
 
287
                                                0, 0, 0 );
 
288
                                        rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 
289
                                        rs->sr_text = "no write access to parent";
 
290
                                        goto return_results;
 
291
                                }
 
292
 
 
293
                        } else {
 
294
                                Debug( LDAP_DEBUG_TRACE,
 
295
                                        "<=- " LDAP_XSTRING(bdb_delete)
 
296
                                        ": no parent and not root\n", 0, 0, 0 );
 
297
                                rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 
298
                                goto return_results;
 
299
                        }
 
300
                }
 
301
        }
 
302
 
 
303
        if ( get_assert( op ) &&
 
304
                ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 
305
        {
 
306
                rs->sr_err = LDAP_ASSERTION_FAILED;
 
307
                goto return_results;
 
308
        }
 
309
 
 
310
        rs->sr_err = access_allowed( op, e,
 
311
                entry, NULL, ACL_WDEL, NULL );
 
312
 
 
313
        if ( !rs->sr_err  ) {
 
314
                switch( opinfo.boi_err ) {
 
315
                case DB_LOCK_DEADLOCK:
 
316
                case DB_LOCK_NOTGRANTED:
 
317
                        goto retry;
 
318
                }
 
319
 
 
320
                Debug( LDAP_DEBUG_TRACE,
 
321
                        "<=- " LDAP_XSTRING(bdb_delete) ": no write access "
 
322
                        "to entry\n", 0, 0, 0 );
 
323
                rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 
324
                rs->sr_text = "no write access to entry";
 
325
                goto return_results;
 
326
        }
 
327
 
 
328
        if ( !manageDSAit && is_entry_referral( e ) ) {
 
329
                /* entry is a referral, don't allow delete */
 
330
                rs->sr_ref = get_entry_referrals( op, e );
 
331
 
 
332
                Debug( LDAP_DEBUG_TRACE,
 
333
                        LDAP_XSTRING(bdb_delete) ": entry is referral\n",
 
334
                        0, 0, 0 );
 
335
 
 
336
                rs->sr_err = LDAP_REFERRAL;
 
337
                rs->sr_matched = ch_strdup( e->e_name.bv_val );
 
338
                rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 
339
                goto return_results;
 
340
        }
 
341
 
 
342
        /* pre-read */
 
343
        if( op->o_preread ) {
 
344
                if( preread_ctrl == NULL ) {
 
345
                        preread_ctrl = &ctrls[num_ctrls++];
 
346
                        ctrls[num_ctrls] = NULL;
 
347
                }
 
348
                if( slap_read_controls( op, rs, e,
 
349
                        &slap_pre_read_bv, preread_ctrl ) )
 
350
                {
 
351
                        Debug( LDAP_DEBUG_TRACE,
 
352
                                "<=- " LDAP_XSTRING(bdb_delete) ": pre-read "
 
353
                                "failed!\n", 0, 0, 0 );
 
354
                        if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
 
355
                                /* FIXME: is it correct to abort
 
356
                                 * operation if control fails? */
 
357
                                goto return_results;
 
358
                        }
 
359
                }
 
360
        }
 
361
 
 
362
        /* nested transaction */
 
363
        rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, 
 
364
                bdb->bi_db_opflags );
 
365
        rs->sr_text = NULL;
 
366
        if( rs->sr_err != 0 ) {
 
367
                Debug( LDAP_DEBUG_TRACE,
 
368
                        LDAP_XSTRING(bdb_delete) ": txn_begin(2) failed: "
 
369
                        "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 
370
                rs->sr_err = LDAP_OTHER;
 
371
                rs->sr_text = "internal error";
 
372
                goto return_results;
 
373
        }
 
374
 
 
375
        BDB_LOG_PRINTF( bdb->bi_dbenv, lt2, "slapd Starting delete %s(%d)",
 
376
                e->e_nname.bv_val, e->e_id );
 
377
 
 
378
        /* Can't do it if we have kids */
 
379
        rs->sr_err = bdb_cache_children( op, lt2, e );
 
380
        if( rs->sr_err != DB_NOTFOUND ) {
 
381
                switch( rs->sr_err ) {
 
382
                case DB_LOCK_DEADLOCK:
 
383
                case DB_LOCK_NOTGRANTED:
 
384
                        goto retry;
 
385
                case 0:
 
386
                        Debug(LDAP_DEBUG_ARGS,
 
387
                                "<=- " LDAP_XSTRING(bdb_delete)
 
388
                                ": non-leaf %s\n",
 
389
                                op->o_req_dn.bv_val, 0, 0);
 
390
                        rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 
391
                        rs->sr_text = "subordinate objects must be deleted first";
 
392
                        break;
 
393
                default:
 
394
                        Debug(LDAP_DEBUG_ARGS,
 
395
                                "<=- " LDAP_XSTRING(bdb_delete)
 
396
                                ": has_children failed: %s (%d)\n",
 
397
                                db_strerror(rs->sr_err), rs->sr_err, 0 );
 
398
                        rs->sr_err = LDAP_OTHER;
 
399
                        rs->sr_text = "internal error";
 
400
                }
 
401
                goto return_results;
 
402
        }
 
403
 
 
404
        /* delete from dn2id */
 
405
        rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 
406
        if ( rs->sr_err != 0 ) {
 
407
                Debug(LDAP_DEBUG_TRACE,
 
408
                        "<=- " LDAP_XSTRING(bdb_delete) ": dn2id failed: "
 
409
                        "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 
410
                switch( rs->sr_err ) {
 
411
                case DB_LOCK_DEADLOCK:
 
412
                case DB_LOCK_NOTGRANTED:
 
413
                        goto retry;
 
414
                }
 
415
                rs->sr_text = "DN index delete failed";
 
416
                rs->sr_err = LDAP_OTHER;
 
417
                goto return_results;
 
418
        }
 
419
 
 
420
        /* delete indices for old attributes */
 
421
        rs->sr_err = bdb_index_entry_del( op, lt2, e );
 
422
        if ( rs->sr_err != LDAP_SUCCESS ) {
 
423
                Debug(LDAP_DEBUG_TRACE,
 
424
                        "<=- " LDAP_XSTRING(bdb_delete) ": index failed: "
 
425
                        "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 
426
                switch( rs->sr_err ) {
 
427
                case DB_LOCK_DEADLOCK:
 
428
                case DB_LOCK_NOTGRANTED:
 
429
                        goto retry;
 
430
                }
 
431
                rs->sr_text = "entry index delete failed";
 
432
                rs->sr_err = LDAP_OTHER;
 
433
                goto return_results;
 
434
        }
 
435
 
 
436
        /* fixup delete CSN */
 
437
        if ( !SLAP_SHADOW( op->o_bd )) {
 
438
                struct berval vals[2];
 
439
 
 
440
                assert( !BER_BVISNULL( &op->o_csn ) );
 
441
                vals[0] = op->o_csn;
 
442
                BER_BVZERO( &vals[1] );
 
443
                rs->sr_err = bdb_index_values( op, lt2, slap_schema.si_ad_entryCSN,
 
444
                        vals, 0, SLAP_INDEX_ADD_OP );
 
445
        if ( rs->sr_err != LDAP_SUCCESS ) {
 
446
                        switch( rs->sr_err ) {
 
447
                        case DB_LOCK_DEADLOCK:
 
448
                        case DB_LOCK_NOTGRANTED:
 
449
                                goto retry;
 
450
                        }
 
451
                        rs->sr_text = "entryCSN index update failed";
 
452
                        rs->sr_err = LDAP_OTHER;
 
453
                        goto return_results;
 
454
                }
 
455
        }
 
456
 
 
457
        /* delete from id2entry */
 
458
        rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
 
459
        if ( rs->sr_err != 0 ) {
 
460
                Debug( LDAP_DEBUG_TRACE,
 
461
                        "<=- " LDAP_XSTRING(bdb_delete) ": id2entry failed: "
 
462
                        "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 
463
                switch( rs->sr_err ) {
 
464
                case DB_LOCK_DEADLOCK:
 
465
                case DB_LOCK_NOTGRANTED:
 
466
                        goto retry;
 
467
                }
 
468
                rs->sr_text = "entry delete failed";
 
469
                rs->sr_err = LDAP_OTHER;
 
470
                goto return_results;
 
471
        }
 
472
 
 
473
        if ( pdn.bv_len != 0 ) {
 
474
                parent_is_glue = is_entry_glue(p);
 
475
                rs->sr_err = bdb_cache_children( op, lt2, p );
 
476
                if ( rs->sr_err != DB_NOTFOUND ) {
 
477
                        switch( rs->sr_err ) {
 
478
                        case DB_LOCK_DEADLOCK:
 
479
                        case DB_LOCK_NOTGRANTED:
 
480
                                goto retry;
 
481
                        case 0:
 
482
                                break;
 
483
                        default:
 
484
                                Debug(LDAP_DEBUG_ARGS,
 
485
                                        "<=- " LDAP_XSTRING(bdb_delete)
 
486
                                        ": has_children failed: %s (%d)\n",
 
487
                                        db_strerror(rs->sr_err), rs->sr_err, 0 );
 
488
                                rs->sr_err = LDAP_OTHER;
 
489
                                rs->sr_text = "internal error";
 
490
                                goto return_results;
 
491
                        }
 
492
                        parent_is_leaf = 1;
 
493
                }
 
494
                bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 
495
                p = NULL;
 
496
        }
 
497
 
 
498
        BDB_LOG_PRINTF( bdb->bi_dbenv, lt2, "slapd Commit1 delete %s(%d)",
 
499
                e->e_nname.bv_val, e->e_id );
 
500
 
 
501
        if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 
502
                rs->sr_err = LDAP_OTHER;
 
503
                rs->sr_text = "txn_commit(2) failed";
 
504
                goto return_results;
 
505
        }
 
506
 
 
507
        eid = e->e_id;
 
508
 
 
509
#if 0   /* Do we want to reclaim deleted IDs? */
 
510
        ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
 
511
        if ( e->e_id == bdb->bi_lastid ) {
 
512
                bdb_last_id( op->o_bd, ltid );
 
513
        }
 
514
        ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
 
515
#endif
 
516
 
 
517
        if( op->o_noop ) {
 
518
                if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 
519
                        rs->sr_text = "txn_abort (no-op) failed";
 
520
                } else {
 
521
                        rs->sr_err = LDAP_X_NO_OPERATION;
 
522
                        ltid = NULL;
 
523
                        goto return_results;
 
524
                }
 
525
        } else {
 
526
 
 
527
                BDB_LOG_PRINTF( bdb->bi_dbenv, ltid, "slapd Cache delete %s(%d)",
 
528
                        e->e_nname.bv_val, e->e_id );
 
529
 
 
530
                rc = bdb_cache_delete( bdb, e, locker, &lock );
 
531
                switch( rc ) {
 
532
                case DB_LOCK_DEADLOCK:
 
533
                case DB_LOCK_NOTGRANTED:
 
534
                        goto retry;
 
535
                }
 
536
 
 
537
                rs->sr_err = TXN_COMMIT( ltid, 0 );
 
538
        }
 
539
        ltid = NULL;
 
540
        LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 
541
        opinfo.boi_oe.oe_key = NULL;
 
542
 
 
543
        BDB_LOG_PRINTF( bdb->bi_dbenv, NULL, "slapd Committed delete %s(%d)",
 
544
                e->e_nname.bv_val, e->e_id );
 
545
 
 
546
        if( rs->sr_err != 0 ) {
 
547
                Debug( LDAP_DEBUG_TRACE,
 
548
                        LDAP_XSTRING(bdb_delete) ": txn_%s failed: %s (%d)\n",
 
549
                        op->o_noop ? "abort (no-op)" : "commit",
 
550
                        db_strerror(rs->sr_err), rs->sr_err );
 
551
                rs->sr_err = LDAP_OTHER;
 
552
                rs->sr_text = "commit failed";
 
553
 
 
554
                goto return_results;
 
555
        }
 
556
 
 
557
        Debug( LDAP_DEBUG_TRACE,
 
558
                LDAP_XSTRING(bdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
 
559
                op->o_noop ? " (no-op)" : "",
 
560
                eid, op->o_req_dn.bv_val );
 
561
        rs->sr_err = LDAP_SUCCESS;
 
562
        rs->sr_text = NULL;
 
563
        if( num_ctrls ) rs->sr_ctrls = ctrls;
 
564
 
 
565
return_results:
 
566
        if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 
567
                op->o_delete_glue_parent = 1;
 
568
        }
 
569
 
 
570
        if ( p )
 
571
                bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 
572
 
 
573
        /* free entry */
 
574
        if( e != NULL ) {
 
575
                if ( rs->sr_err == LDAP_SUCCESS ) {
 
576
                        /* Free the EntryInfo and the Entry */
 
577
                        bdb_cache_entryinfo_lock( BEI(e) );
 
578
                        bdb_cache_delete_cleanup( &bdb->bi_cache, BEI(e) );
 
579
                } else {
 
580
                        bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 
581
                }
 
582
        }
 
583
 
 
584
        if( ltid != NULL ) {
 
585
                TXN_ABORT( ltid );
 
586
        }
 
587
        if ( opinfo.boi_oe.oe_key ) {
 
588
                LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 
589
        }
 
590
 
 
591
        send_ldap_result( op, rs );
 
592
        slap_graduate_commit_csn( op );
 
593
 
 
594
        if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
 
595
                slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 
596
                slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 
597
        }
 
598
 
 
599
        if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) {
 
600
                TXN_CHECKPOINT( bdb->bi_dbenv,
 
601
                        bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 
602
        }
 
603
        return rs->sr_err;
 
604
}