/* modify.c - bdb backend modify routine */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include "back-bdb.h"
#include "external.h"
+static struct berval scbva[] = {
+ BER_BVC("glue"),
+ BER_BVNULL
+};
+
int bdb_modify_internal(
Operation *op,
DB_TXN *tid,
Modifications *ml;
Attribute *save_attrs;
Attribute *ap;
+ int glue_attr_delete = 0;
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
save_attrs = e->e_attrs;
e->e_attrs = attrs_dup( e->e_attrs );
+ for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
+ int match;
+ mod = &ml->sml_mod;
+ switch( mod->sm_op ) {
+ case LDAP_MOD_ADD:
+ case LDAP_MOD_REPLACE:
+ if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
+ value_match( &match, slap_schema.si_ad_structuralObjectClass,
+ slap_schema.si_ad_structuralObjectClass->ad_type->sat_equality,
+ SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+ &mod->sm_values[0], &scbva[0], text );
+ if ( !match )
+ glue_attr_delete = 1;
+ }
+ }
+ if ( glue_attr_delete )
+ break;
+ }
+
+ if ( glue_attr_delete ) {
+ Attribute **app = &e->e_attrs;
+ while ( *app != NULL ) {
+ if ( !is_at_operational( (*app)->a_desc->ad_type )) {
+ Attribute *save = *app;
+ *app = (*app)->a_next;
+ attr_free( save );
+ continue;
+ }
+ app = &(*app)->a_next;
+ }
+ }
+
for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
mod = &ml->sml_mod;
break;
case LDAP_MOD_DELETE:
+ if ( glue_attr_delete ) {
+ err = LDAP_SUCCESS;
+ break;
+ }
+
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"bdb_modify_internal: delete\n", 0, 0, 0 );
e->e_ocflags = 0;
}
+ if ( glue_attr_delete ) {
+ e->e_ocflags = 0;
+ }
+
/* check if modified attribute was indexed
* but not in case of NOOP... */
err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
if ( rc != LDAP_SUCCESS || op->o_noop ) {
attrs_free( e->e_attrs );
+ /* clear the indexing flags */
+ for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
+ ap->a_flags = 0;
+ }
e->e_attrs = save_attrs;
if ( rc != LDAP_SUCCESS ) {
size_t textlen = sizeof textbuf;
DB_TXN *ltid = NULL, *lt2;
struct bdb_op_info opinfo;
- Entry dummy;
+ Entry dummy = {0};
u_int32_t locker = 0;
DB_LOCK lock;
- int noop = 0;
-
int num_retries = 0;
+ LDAPControl **preread_ctrl = NULL;
+ LDAPControl **postread_ctrl = NULL;
LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
int num_ctrls = 0;
int ctxcsn_added = 0;
#ifdef NEW_LOGGING
- LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
+ LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n",
+ op->o_req_dn.bv_val, 0, 0 );
#else
- Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
+ Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n",
+ op->o_req_dn.bv_val, 0, 0 );
#endif
+ ctrls[num_ctrls] = NULL;
+
if( 0 ) {
retry: /* transaction retry */
+ if ( dummy.e_attrs ) {
+ attrs_free( dummy.e_attrs );
+ dummy.e_attrs = NULL;
+ }
if( e != NULL ) {
bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
e = NULL;
rs->sr_text = "internal error";
goto return_results;
}
- bdb_trans_backoff( ++num_retries );
ldap_pvt_thread_yield();
+ bdb_trans_backoff( ++num_retries );
}
/* begin transaction */
e = ei->bei_e;
/* acquire and lock entry */
/* FIXME: dn2entry() should return non-glue entry */
- if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
+ if (( rs->sr_err == DB_NOTFOUND ) ||
+ ( !manageDSAit && e && is_entry_glue( e )))
+ {
if ( e != NULL ) {
rs->sr_matched = ch_strdup( e->e_dn );
rs->sr_ref = is_entry_referral( e )
e = NULL;
} else {
- BerVarray deref = op->o_bd->syncinfo ?
- op->o_bd->syncinfo->provideruri_bv : default_referral;
- rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
+ BerVarray deref = NULL;
+ if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
+ syncinfo_t *si;
+ LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
+ struct berval tmpbv;
+ ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
+ ber_bvarray_add( &deref, &tmpbv );
+ }
+ } else {
+ deref = default_referral;
+ }
+ rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
+ LDAP_SCOPE_DEFAULT );
}
rs->sr_err = LDAP_REFERRAL;
send_ldap_result( op, rs );
- ber_bvarray_free( rs->sr_ref );
+ if ( rs->sr_ref != default_referral ) {
+ ber_bvarray_free( rs->sr_ref );
+ }
free( (char *)rs->sr_matched );
rs->sr_ref = NULL;
rs->sr_matched = NULL;
rs->sr_ref = get_entry_referrals( op, e );
#ifdef NEW_LOGGING
- LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
+ LDAP_LOG ( OPERATION, DETAIL1,
+ "bdb_modify: entry is referral\n",
+ 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_modify: entry is referral\n",
goto return_results;
}
- if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
+ if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
+ ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
- bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
+ rc = bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
+ if ( rc ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, ERR,
+ "bdb_modify: persistent search failed (%d,%d)\n",
+ rc, rs->sr_err, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "bdb_modify: persistent search failed (%d,%d)\n",
+ rc, rs->sr_err, 0 );
+#endif
+ }
}
+ ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
}
if( op->o_preread ) {
+ if( preread_ctrl == NULL ) {
+ preread_ctrl = &ctrls[num_ctrls++];
+ ctrls[num_ctrls] = NULL;
+ }
if ( slap_read_controls( op, rs, e,
- &slap_pre_read_bv, &ctrls[num_ctrls] ) )
+ &slap_pre_read_bv, preread_ctrl ) )
{
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
#endif
goto return_results;
}
- ctrls[++num_ctrls] = NULL;
- op->o_preread = 0; /* prevent redo on retry */
}
/* nested transaction */
if( rs->sr_err != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
- "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
+ "bdb_modify: txn_begin(2) failed: %s (%d)\n",
+ db_strerror(rs->sr_err), rs->sr_err, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_modify: txn_begin(2) failed: %s (%d)\n",
if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
rs->sr_err = opinfo.boi_err;
}
+ /* Only free attrs if they were dup'd. */
+ if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
switch( rs->sr_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto return_results;
}
- if( op->o_postread ) {
- if( slap_read_controls( op, rs, e,
- &slap_post_read_bv, &ctrls[num_ctrls] ) )
- {
-#ifdef NEW_LOGGING
- LDAP_LOG ( OPERATION, DETAIL1,
- "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
-#else
- Debug( LDAP_DEBUG_TRACE,
- "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
-#endif
- goto return_results;
- }
- ctrls[++num_ctrls] = NULL;
- op->o_postread = 0; /* prevent redo on retry */
- /* FIXME: should read entry on the last retry */
- }
-
/* change the entry itself */
rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
if ( rs->sr_err != 0 ) {
goto return_results;
}
- if ( !op->o_bd->syncinfo ) {
+ if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
&ctxcsn_e, &ctxcsn_added, locker );
switch ( rc ) {
}
}
+ if( op->o_postread ) {
+ if( postread_ctrl == NULL ) {
+ postread_ctrl = &ctrls[num_ctrls++];
+ ctrls[num_ctrls] = NULL;
+ }
+ if( slap_read_controls( op, rs, &dummy,
+ &slap_post_read_bv, postread_ctrl ) )
+ {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, DETAIL1,
+ "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
+#endif
+ goto return_results;
+ }
+ }
+
if( op->o_noop ) {
if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
rs->sr_text = "txn_abort (no-op) failed";
} else {
- noop = 1;
- rs->sr_err = LDAP_SUCCESS;
+ rs->sr_err = LDAP_NO_OPERATION;
+ goto return_results;
}
} else {
- EntryInfo *ctx_ei;
-
- bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
+ rc = bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
+ switch( rc ) {
+ case DB_LOCK_DEADLOCK:
+ case DB_LOCK_NOTGRANTED:
+ goto retry;
+ }
+ dummy.e_attrs = NULL;
- if ( !op->o_bd->syncinfo ) {
+ if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
if ( ctxcsn_added ) {
- bdb_cache_add( bdb, suffix_ei, ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
+ bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
+ (struct berval *)&slap_ldapsync_cn_bv, locker );
+ }
+ }
+
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ /* Loop through in-scope entries for each psearch spec */
+ ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
+ LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
+ rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
+ if ( rc ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, ERR,
+ "bdb_modify: persistent search failed (%d,%d)\n",
+ rc, rs->sr_err, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "bdb_modify: persistent search failed (%d,%d)\n",
+ rc, rs->sr_err, 0 );
+#endif
+ }
+ }
+ pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
+ while ( pm_list != NULL ) {
+ rc = bdb_psearch(op, rs, pm_list->ps_op,
+ e, LDAP_PSEARCH_BY_SCOPEOUT);
+ if ( rc ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, ERR,
+ "bdb_modify: persistent search failed (%d,%d)\n",
+ rc, rs->sr_err, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "bdb_modify: persistent search failed (%d,%d)\n",
+ rc, rs->sr_err, 0 );
+#endif
+ }
+ LDAP_LIST_REMOVE ( pm_list, ps_link );
+ pm_prev = pm_list;
+ pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
+ ch_free( pm_prev );
}
+ ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
}
rs->sr_err = TXN_COMMIT( ltid, 0 );
if( num_ctrls ) rs->sr_ctrls = ctrls;
return_results:
- send_ldap_result( op, rs );
-
- if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
- /* Loop through in-scope entries for each psearch spec */
- LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
- bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
- }
- pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
- while ( pm_list != NULL ) {
- bdb_psearch(op, rs, pm_list->ps_op,
- e, LDAP_PSEARCH_BY_SCOPEOUT);
- LDAP_LIST_REMOVE ( pm_list, ps_link );
- pm_prev = pm_list;
- pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
- ch_free( pm_prev );
- }
+ if( dummy.e_attrs ) {
+ attrs_free( dummy.e_attrs );
}
+ send_ldap_result( op, rs );
if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
ldap_pvt_thread_yield();
if( e != NULL ) {
bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
}
- return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );
+
+ if( preread_ctrl != NULL ) {
+ slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
+ slap_sl_free( *preread_ctrl, &op->o_tmpmemctx );
+ }
+ if( postread_ctrl != NULL ) {
+ slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
+ slap_sl_free( *postread_ctrl, &op->o_tmpmemctx );
+ }
+ return rs->sr_err;
}