1 /* translucent.c - translucent proxy module */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2004-2007 The OpenLDAP Foundation.
6 * Portions Copyright 2005 Symas Corporation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
18 * This work was initially developed by Symas Corp. for inclusion in
19 * OpenLDAP Software. This work was sponsored by Hewlett-Packard.
24 #ifdef SLAPD_OVER_TRANSLUCENT
28 #include <ac/string.h>
29 #include <ac/socket.h>
37 typedef struct translucent_info {
38 BackendDB db; /* captive backend */
44 static ConfigLDAPadd translucent_ldadd;
45 static ConfigCfAdd translucent_cfadd;
47 static ConfigTable translucentcfg[] = {
48 { "translucent_strict", "on|off", 1, 2, 0,
49 ARG_ON_OFF|ARG_OFFSET,
50 (void *)offsetof(translucent_info, strict),
51 "( OLcfgOvAt:14.1 NAME 'olcTranslucentStrict' "
52 "DESC 'Reveal attribute deletion constraint violations' "
53 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
54 { "translucent_no_glue", "on|off", 1, 2, 0,
55 ARG_ON_OFF|ARG_OFFSET,
56 (void *)offsetof(translucent_info, no_glue),
57 "( OLcfgOvAt:14.2 NAME 'olcTranslucentNoGlue' "
58 "DESC 'Disable automatic glue records for ADD and MODRDN' "
59 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
60 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
63 static ConfigTable transdummy[] = {
64 { "", "", 0, 0, 0, ARG_IGNORED,
65 NULL, "( OLcfgGlAt:13 NAME 'olcDatabase' "
66 "DESC 'The backend type for a database instance' "
67 "SUP olcBackend SINGLE-VALUE X-ORDERED 'SIBLINGS' )", NULL, NULL },
68 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
71 static ConfigOCs translucentocs[] = {
73 "NAME 'olcTranslucentConfig' "
74 "DESC 'Translucent configuration' "
75 "SUP olcOverlayConfig "
76 "MAY ( olcTranslucentStrict $ olcTranslucentNoGlue ) )",
77 Cft_Overlay, translucentcfg, NULL, translucent_cfadd },
79 "NAME 'olcTranslucentDatabase' "
80 "DESC 'Translucent target database configuration' "
81 "AUXILIARY )", Cft_Misc, transdummy, translucent_ldadd },
84 /* for translucent_init() */
87 translucent_ldadd_cleanup( ConfigArgs *ca )
89 slap_overinst *on = ca->private;
90 translucent_info *ov = on->on_bi.bi_private;
92 ov->defer_db_open = 0;
93 return backend_startup_one( ca->be, &ca->reply );
97 translucent_ldadd( CfEntryInfo *cei, Entry *e, ConfigArgs *ca )
100 translucent_info *ov;
102 Debug(LDAP_DEBUG_TRACE, "==> translucent_ldadd\n", 0, 0, 0);
104 if ( cei->ce_type != Cft_Overlay || !cei->ce_bi ||
105 cei->ce_bi->bi_cf_ocs != translucentocs )
106 return LDAP_CONSTRAINT_VIOLATION;
108 on = (slap_overinst *)cei->ce_bi;
109 ov = on->on_bi.bi_private;
112 if ( CONFIG_ONLINE_ADD( ca ))
113 ca->cleanup = translucent_ldadd_cleanup;
115 ov->defer_db_open = 0;
121 translucent_cfadd( Operation *op, SlapReply *rs, Entry *e, ConfigArgs *ca )
123 CfEntryInfo *cei = e->e_private;
124 slap_overinst *on = (slap_overinst *)cei->ce_bi;
125 translucent_info *ov = on->on_bi.bi_private;
128 Debug(LDAP_DEBUG_TRACE, "==> translucent_cfadd\n", 0, 0, 0);
130 /* FIXME: should not hardcode "olcDatabase" here */
131 bv.bv_len = sprintf( ca->cr_msg, "olcDatabase=%s",
132 ov->db.bd_info->bi_type );
133 bv.bv_val = ca->cr_msg;
135 ov->defer_db_open = 0;
137 /* We can only create this entry if the database is table-driven
139 if ( ov->db.bd_info->bi_cf_ocs )
140 config_build_entry( op, rs, cei, ca, &bv,
141 ov->db.bd_info->bi_cf_ocs,
142 &translucentocs[1] );
147 static slap_overinst translucent;
151 ** call syncrepl_add_glue() with the parent suffix;
155 static struct berval glue[] = { BER_BVC("top"), BER_BVC("glue"), BER_BVNULL };
157 void glue_parent(Operation *op) {
159 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
160 struct berval ndn = BER_BVNULL;
165 dnParent( &op->o_req_ndn, &pdn );
166 ber_dupbv_x( &ndn, &pdn, op->o_tmpmemctx );
168 Debug(LDAP_DEBUG_TRACE, "=> glue_parent: fabricating glue for <%s>\n", ndn.bv_val, 0, 0);
172 ber_dupbv(&e->e_name, &ndn);
173 ber_dupbv(&e->e_nname, &ndn);
175 a = attr_alloc( slap_schema.si_ad_objectClass );
177 a->a_vals = ch_malloc(sizeof(struct berval) * 3);
178 ber_dupbv(&a->a_vals[0], &glue[0]);
179 ber_dupbv(&a->a_vals[1], &glue[1]);
180 ber_dupbv(&a->a_vals[2], &glue[2]);
181 a->a_nvals = a->a_vals;
182 a->a_next = e->e_attrs;
185 a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
187 a->a_vals = ch_malloc(sizeof(struct berval) * 2);
188 ber_dupbv(&a->a_vals[0], &glue[1]);
189 ber_dupbv(&a->a_vals[1], &glue[2]);
190 a->a_nvals = a->a_vals;
191 a->a_next = e->e_attrs;
198 nop.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
199 syncrepl_add_glue(&nop, e);
200 nop.o_bd->bd_info = (BackendInfo *) on;
202 op->o_tmpfree( ndn.bv_val, op->o_tmpmemctx );
212 BerVarray dup_bervarray(BerVarray b) {
215 for(len = 0; b[len].bv_val; len++);
216 nb = ch_malloc((len+1) * sizeof(BerValue));
217 for(i = 0; i < len; i++) ber_dupbv(&nb[i], &b[i]);
218 nb[len].bv_val = NULL;
225 ** free only the Attribute*, not the contents;
228 void free_attr_chain(Attribute *b) {
230 for(a=b; a; a=a->a_next) {
240 ** if not bound as root, send ACCESS error;
241 ** if glue, glue_parent();
246 static int translucent_add(Operation *op, SlapReply *rs) {
247 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
248 translucent_info *ov = on->on_bi.bi_private;
249 Debug(LDAP_DEBUG_TRACE, "==> translucent_add: %s\n",
250 op->o_req_dn.bv_val, 0, 0);
252 op->o_bd->bd_info = (BackendInfo *) on->on_info;
253 send_ldap_error(op, rs, LDAP_INSUFFICIENT_ACCESS,
254 "user modification of overlay database not permitted");
255 op->o_bd->bd_info = (BackendInfo *) on;
258 if(!ov->no_glue) glue_parent(op);
259 return(SLAP_CB_CONTINUE);
263 ** translucent_modrdn()
264 ** if not bound as root, send ACCESS error;
265 ** if !glue, glue_parent();
266 ** else return CONTINUE;
270 static int translucent_modrdn(Operation *op, SlapReply *rs) {
271 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
272 translucent_info *ov = on->on_bi.bi_private;
273 Debug(LDAP_DEBUG_TRACE, "==> translucent_modrdn: %s -> %s\n",
274 op->o_req_dn.bv_val, op->orr_newrdn.bv_val, 0);
276 op->o_bd->bd_info = (BackendInfo *) on->on_info;
277 send_ldap_error(op, rs, LDAP_INSUFFICIENT_ACCESS,
278 "user modification of overlay database not permitted");
279 op->o_bd->bd_info = (BackendInfo *) on;
282 if(!ov->no_glue) glue_parent(op);
283 return(SLAP_CB_CONTINUE);
287 ** translucent_delete()
288 ** if not bound as root, send ACCESS error;
289 ** else return CONTINUE;
293 static int translucent_delete(Operation *op, SlapReply *rs) {
294 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
295 Debug(LDAP_DEBUG_TRACE, "==> translucent_delete: %s\n",
296 op->o_req_dn.bv_val, 0, 0);
298 op->o_bd->bd_info = (BackendInfo *) on->on_info;
299 send_ldap_error(op, rs, LDAP_INSUFFICIENT_ACCESS,
300 "user modification of overlay database not permitted");
301 op->o_bd->bd_info = (BackendInfo *) on;
304 return(SLAP_CB_CONTINUE);
308 translucent_tag_cb( Operation *op, SlapReply *rs )
310 op->o_tag = LDAP_REQ_MODIFY;
311 op->orm_modlist = op->o_callback->sc_private;
312 rs->sr_tag = slap_req2res( op->o_tag );
314 return SLAP_CB_CONTINUE;
318 ** translucent_modify()
319 ** modify in local backend if exists in both;
320 ** otherwise, add to local backend;
321 ** fail if not defined in captive backend;
325 static int translucent_modify(Operation *op, SlapReply *rs) {
326 SlapReply nrs = { REP_RESULT };
329 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
330 translucent_info *ov = on->on_bi.bi_private;
331 Entry *e = NULL, *re = NULL;
333 Modifications *m, **mm;
334 int del, rc, erc = 0;
335 slap_callback cb = { 0 };
337 Debug(LDAP_DEBUG_TRACE, "==> translucent_modify: %s\n",
338 op->o_req_dn.bv_val, 0, 0);
340 if(ov->defer_db_open) {
341 send_ldap_error(op, rs, LDAP_UNAVAILABLE,
342 "remote DB not available");
346 ** fetch entry from the captive backend;
347 ** if it did not exist, fail;
348 ** release it, if captive backend supports this;
353 rc = ov->db.bd_info->bi_entry_get_rw(&nop, &nop.o_req_ndn, NULL, NULL, 0, &re);
354 if(rc != LDAP_SUCCESS || re == NULL ) {
355 send_ldap_error((&nop), rs, LDAP_NO_SUCH_OBJECT,
356 "attempt to modify nonexistent local record");
361 ** fetch entry from local backend;
363 ** foreach Modification:
364 ** if attr not present in local:
365 ** if Mod == LDAP_MOD_DELETE:
366 ** if remote attr not present, return NO_SUCH;
367 ** if remote attr present, drop this Mod;
368 ** else force this Mod to LDAP_MOD_ADD;
373 op->o_bd->bd_info = (BackendInfo *) on->on_info;
374 rc = be_entry_get_rw(op, &op->o_req_ndn, NULL, NULL, 0, &e);
375 op->o_bd->bd_info = (BackendInfo *) on;
377 if(e && rc == LDAP_SUCCESS) {
378 Debug(LDAP_DEBUG_TRACE, "=> translucent_modify: found local entry\n", 0, 0, 0);
379 for(mm = &op->orm_modlist; *mm; ) {
381 for(a = e->e_attrs; a; a = a->a_next)
382 if(a->a_desc == m->sml_desc) break;
385 continue; /* found local attr */
387 if(m->sml_op == LDAP_MOD_DELETE) {
388 for(a = re->e_attrs; a; a = a->a_next)
389 if(a->a_desc == m->sml_desc) break;
390 /* not found remote attr */
392 erc = LDAP_NO_SUCH_ATTRIBUTE;
396 erc = LDAP_CONSTRAINT_VIOLATION;
399 Debug(LDAP_DEBUG_TRACE,
400 "=> translucent_modify: silently dropping delete: %s\n",
401 m->sml_desc->ad_cname.bv_val, 0, 0);
404 slap_mods_free(m, 1);
407 m->sml_op = LDAP_MOD_ADD;
410 erc = SLAP_CB_CONTINUE;
413 if(ov->db.bd_info->bi_entry_release_rw)
414 ov->db.bd_info->bi_entry_release_rw(&nop, re, 0);
418 op->o_bd->bd_info = (BackendInfo *) on->on_info;
419 be_entry_release_r(op, e);
420 op->o_bd->bd_info = (BackendInfo *) on;
421 if(erc == SLAP_CB_CONTINUE) {
424 send_ldap_error(op, rs, erc,
425 "attempt to delete nonexistent attribute");
430 /* don't leak remote entry copy */
432 if(ov->db.bd_info->bi_entry_release_rw)
433 ov->db.bd_info->bi_entry_release_rw(&nop, re, 0);
438 ** foreach Modification:
439 ** if MOD_ADD or MOD_REPLACE, add Attribute;
440 ** if no Modifications were suitable:
441 ** if strict, throw CONSTRAINT_VIOLATION;
442 ** else, return early SUCCESS;
443 ** fabricate Entry with new Attribute chain;
444 ** glue_parent() for this Entry;
445 ** call bi_op_add() in local backend;
449 Debug(LDAP_DEBUG_TRACE, "=> translucent_modify: fabricating local add\n", 0, 0, 0);
451 for(del = 0, ax = NULL, m = op->orm_modlist; m; m = m->sml_next) {
453 if(((m->sml_op & LDAP_MOD_OP) != LDAP_MOD_ADD) &&
454 ((m->sml_op & LDAP_MOD_OP) != LDAP_MOD_REPLACE)) {
455 Debug(LDAP_DEBUG_ANY,
456 "=> translucent_modify: silently dropped modification(%d): %s\n",
457 m->sml_op, m->sml_desc->ad_cname.bv_val, 0);
458 if((m->sml_op & LDAP_MOD_OP) == LDAP_MOD_DELETE) del++;
461 atmp.a_desc = m->sml_desc;
462 atmp.a_vals = m->sml_values;
463 atmp.a_nvals = m->sml_nvalues ? m->sml_nvalues : atmp.a_vals;
464 atmp.a_numvals = m->sml_numvals;
466 a = attr_dup( &atmp );
471 if(del && ov->strict) {
473 send_ldap_error(op, rs, LDAP_CONSTRAINT_VIOLATION,
474 "attempt to delete attributes from local database");
480 send_ldap_error(op, rs, LDAP_CONSTRAINT_VIOLATION,
481 "modification contained other than ADD or REPLACE");
484 /* rs->sr_text = "no valid modification found"; */
485 rs->sr_err = LDAP_SUCCESS;
486 send_ldap_result(op, rs);
491 ber_dupbv( &e->e_name, &op->o_req_dn );
492 ber_dupbv( &e->e_nname, &op->o_req_ndn );
495 nop.o_tag = LDAP_REQ_ADD;
500 cb.sc_response = translucent_tag_cb;
501 cb.sc_private = op->orm_modlist;
502 cb.sc_next = nop.o_callback;
503 nop.o_callback = &cb;
504 rc = on->on_info->oi_orig->bi_op_add(&nop, &nrs);
505 if ( nop.ora_e == e )
511 static int translucent_compare(Operation *op, SlapReply *rs) {
513 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
514 translucent_info *ov = on->on_bi.bi_private;
515 AttributeAssertion *ava = op->orc_ava;
519 Debug(LDAP_DEBUG_TRACE, "==> translucent_compare: <%s> %s:%s\n",
520 op->o_req_dn.bv_val, ava->aa_desc->ad_cname.bv_val, ava->aa_value.bv_val);
523 ** if the local backend has an entry for this attribute:
524 ** CONTINUE and let it do the compare;
527 op->o_bd->bd_info = (BackendInfo *) on->on_info;
528 rc = be_entry_get_rw(op, &op->o_req_ndn, NULL, ava->aa_desc, 0, &e);
529 if(e && rc == LDAP_SUCCESS) {
530 be_entry_release_r(op, e);
531 op->o_bd->bd_info = (BackendInfo *) on;
532 return(SLAP_CB_CONTINUE);
534 op->o_bd->bd_info = (BackendInfo *) on;
536 if(ov->defer_db_open) {
537 send_ldap_error(op, rs, LDAP_UNAVAILABLE,
538 "remote DB not available");
542 ** call compare() in the captive backend;
543 ** return the result;
547 nop.o_callback = NULL;
548 rc = ov->db.bd_info->bi_op_compare(&nop, rs);
554 ** translucent_search_cb()
555 ** merge local data with the search result
559 static int translucent_search_cb(Operation *op, SlapReply *rs) {
561 Entry *e, *re = NULL;
562 Attribute *a, *ax, *an, *as = NULL;
563 Operation * original_op, local_op;
566 if(!op || !rs || rs->sr_type != REP_SEARCH || !rs->sr_entry)
567 return(SLAP_CB_CONTINUE);
569 Debug(LDAP_DEBUG_TRACE, "==> translucent_search_cb: %s\n",
570 rs->sr_entry->e_name.bv_val, 0, 0);
572 original_op = op->o_callback->sc_private;
573 on = (slap_overinst *) original_op->o_bd->bd_info;
574 local_op = *original_op;
576 local_op.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
577 rc = be_entry_get_rw(&local_op, &rs->sr_entry->e_nname, NULL, NULL, 0, &e);
578 local_op.o_bd->bd_info = (BackendInfo *) on;
581 ** if we got an entry from local backend:
582 ** make a copy of this search result;
583 ** foreach local attr:
584 ** foreach search result attr:
585 ** if match, result attr with local attr;
586 ** if new local, add to list;
587 ** append new local attrs to search result;
591 if(e && rc == LDAP_SUCCESS) {
592 re = entry_dup(rs->sr_entry);
593 for(ax = e->e_attrs; ax; ax = ax->a_next) {
595 if(is_at_operational(ax->a_desc->ad_type)) continue;
597 for(a = re->e_attrs; a; a = a->a_next) {
598 if(a->a_desc == ax->a_desc) {
599 if(a->a_vals != a->a_nvals)
600 ber_bvarray_free(a->a_nvals);
601 ber_bvarray_free(a->a_vals);
602 a->a_vals = dup_bervarray(ax->a_vals);
603 a->a_nvals = (ax->a_vals == ax->a_nvals) ?
604 a->a_vals : dup_bervarray(ax->a_nvals);
613 local_op.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
614 be_entry_release_r(&local_op, e);
615 local_op.o_bd->bd_info = (BackendInfo *) on;
617 /* literally append, so locals are always last */
620 for(ax = re->e_attrs; ax->a_next; ax = ax->a_next);
627 rs->sr_flags |= REP_ENTRY_MUSTBEFREED;
630 return(SLAP_CB_CONTINUE);
634 ** translucent_search()
635 ** search via captive backend;
636 ** override results with any local data;
640 static int translucent_search(Operation *op, SlapReply *rs) {
641 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
643 translucent_info *ov = on->on_bi.bi_private;
644 slap_callback cb = { NULL, NULL, NULL, NULL };
646 Debug(LDAP_DEBUG_TRACE, "==> translucent_search: <%s> %s\n",
647 op->o_req_dn.bv_val, op->ors_filterstr.bv_val, 0);
649 if(ov->defer_db_open) {
650 send_ldap_error(op, rs, LDAP_UNAVAILABLE,
651 "remote DB not available");
654 cb.sc_response = (slap_response *) translucent_search_cb;
656 cb.sc_next = nop.o_callback;
658 nop.o_callback = &cb;
660 return (ov->db.bd_info->bi_op_search(&nop, rs));
665 ** translucent_bind()
666 ** pass bind request to captive backend;
670 static int translucent_bind(Operation *op, SlapReply *rs) {
671 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
673 translucent_info *ov = on->on_bi.bi_private;
675 Debug(LDAP_DEBUG_TRACE, "translucent_bind: <%s> method %d\n",
676 op->o_req_dn.bv_val, op->orb_method, 0);
678 if(ov->defer_db_open) {
679 send_ldap_error(op, rs, LDAP_UNAVAILABLE,
680 "remote DB not available");
684 return (ov->db.bd_info->bi_op_bind(&nop, rs));
688 ** translucent_connection_destroy()
689 ** pass disconnect notification to captive backend;
693 static int translucent_connection_destroy(BackendDB *be, Connection *conn) {
694 slap_overinst *on = (slap_overinst *) be->bd_info;
695 translucent_info *ov = on->on_bi.bi_private;
698 Debug(LDAP_DEBUG_TRACE, "translucent_connection_destroy\n", 0, 0, 0);
700 rc = ov->db.bd_info->bi_connection_destroy(&ov->db, conn);
706 ** translucent_db_config()
707 ** pass config directives to captive backend;
708 ** parse unrecognized directives ourselves;
712 static int translucent_db_config(
720 slap_overinst *on = (slap_overinst *) be->bd_info;
721 translucent_info *ov = on->on_bi.bi_private;
723 Debug(LDAP_DEBUG_TRACE, "==> translucent_db_config: %s\n",
724 argc ? argv[0] : "", 0, 0);
726 /* Something for the captive database? */
727 if ( ov->db.bd_info && ov->db.bd_info->bi_db_config )
728 return ov->db.bd_info->bi_db_config( &ov->db, fname, lineno,
730 return SLAP_CONF_UNKNOWN;
734 ** translucent_db_init()
735 ** initialize the captive backend;
739 static int translucent_db_init(BackendDB *be, ConfigReply *cr) {
740 slap_overinst *on = (slap_overinst *) be->bd_info;
741 translucent_info *ov;
743 Debug(LDAP_DEBUG_TRACE, "==> translucent_db_init\n", 0, 0, 0);
745 ov = ch_calloc(1, sizeof(translucent_info));
746 on->on_bi.bi_private = ov;
748 ov->db.be_private = NULL;
749 ov->db.be_pcl_mutexp = &ov->db.be_pcl_mutex;
750 ov->defer_db_open = 1;
752 if ( !backend_db_init( "ldap", &ov->db, -1, NULL )) {
753 Debug( LDAP_DEBUG_CONFIG, "translucent: unable to open captive back-ldap\n", 0, 0, 0);
756 SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NO_SCHEMA_CHECK;
757 SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NOLASTMOD;
763 ** translucent_db_open()
764 ** if the captive backend has an open() method, call it;
768 static int translucent_db_open(BackendDB *be, ConfigReply *cr) {
769 slap_overinst *on = (slap_overinst *) be->bd_info;
770 translucent_info *ov = on->on_bi.bi_private;
773 Debug(LDAP_DEBUG_TRACE, "==> translucent_db_open\n", 0, 0, 0);
775 /* need to inherit something from the original database... */
776 ov->db.be_def_limit = be->be_def_limit;
777 ov->db.be_limits = be->be_limits;
778 ov->db.be_acl = be->be_acl;
779 ov->db.be_dfltaccess = be->be_dfltaccess;
781 if ( ov->defer_db_open )
784 rc = backend_startup_one( &ov->db, NULL );
786 if(rc) Debug(LDAP_DEBUG_TRACE,
787 "translucent: bi_db_open() returned error %d\n", rc, 0, 0);
793 ** translucent_db_close()
794 ** if the captive backend has a close() method, call it;
795 ** free any config data;
800 translucent_db_close( BackendDB *be, ConfigReply *cr )
802 slap_overinst *on = (slap_overinst *) be->bd_info;
803 translucent_info *ov = on->on_bi.bi_private;
806 Debug(LDAP_DEBUG_TRACE, "==> translucent_db_close\n", 0, 0, 0);
808 if ( ov && ov->db.bd_info && ov->db.bd_info->bi_db_close ) {
809 rc = ov->db.bd_info->bi_db_close(&ov->db, NULL);
816 ** translucent_db_destroy()
817 ** if the captive backend has a db_destroy() method, call it
822 translucent_db_destroy( BackendDB *be, ConfigReply *cr )
824 slap_overinst *on = (slap_overinst *) be->bd_info;
825 translucent_info *ov = on->on_bi.bi_private;
828 Debug(LDAP_DEBUG_TRACE, "==> translucent_db_destroy\n", 0, 0, 0);
831 if ( ov->db.be_private != NULL ) {
832 backend_stopdown_one( &ov->db );
836 on->on_bi.bi_private = NULL;
843 ** translucent_initialize()
844 ** initialize the slap_overinst with our entry points;
848 int translucent_initialize() {
852 Debug(LDAP_DEBUG_TRACE, "==> translucent_initialize\n", 0, 0, 0);
854 translucent.on_bi.bi_type = "translucent";
855 translucent.on_bi.bi_db_init = translucent_db_init;
856 translucent.on_bi.bi_db_config = translucent_db_config;
857 translucent.on_bi.bi_db_open = translucent_db_open;
858 translucent.on_bi.bi_db_close = translucent_db_close;
859 translucent.on_bi.bi_db_destroy = translucent_db_destroy;
860 translucent.on_bi.bi_op_bind = translucent_bind;
861 translucent.on_bi.bi_op_add = translucent_add;
862 translucent.on_bi.bi_op_modify = translucent_modify;
863 translucent.on_bi.bi_op_modrdn = translucent_modrdn;
864 translucent.on_bi.bi_op_delete = translucent_delete;
865 translucent.on_bi.bi_op_search = translucent_search;
866 translucent.on_bi.bi_op_compare = translucent_compare;
867 translucent.on_bi.bi_connection_destroy = translucent_connection_destroy;
869 translucent.on_bi.bi_cf_ocs = translucentocs;
870 rc = config_register_schema ( translucentcfg, translucentocs );
873 return(overlay_register(&translucent));
876 #if SLAPD_OVER_TRANSLUCENT == SLAPD_MOD_DYNAMIC && defined(PIC)
877 int init_module(int argc, char *argv[]) {
878 return translucent_initialize();
882 #endif /* SLAPD_OVER_TRANSLUCENT */