/* add.c - ldap BerkeleyDB back-end add routine */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software .
*
* Copyright 2000-2005 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
* .
*/
#include "portable.h"
#include
#include
#include "back-bdb.h"
int
bdb_add(Operation *op, SlapReply *rs )
{
struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
struct berval pdn;
Entry *p = NULL;
EntryInfo *ei;
char textbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof textbuf;
AttributeDescription *children = slap_schema.si_ad_children;
AttributeDescription *entry = slap_schema.si_ad_entry;
DB_TXN *ltid = NULL, *lt2;
struct bdb_op_info opinfo = {0};
#ifdef BDB_SUBENTRIES
int subentry;
#endif
u_int32_t locker = 0;
DB_LOCK lock;
int num_retries = 0;
LDAPControl **postread_ctrl = NULL;
LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
int num_ctrls = 0;
Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_add) ": %s\n",
op->oq_add.rs_e->e_name.bv_val, 0, 0);
ctrls[num_ctrls] = 0;
/* add opattrs to shadow as well, only missing attrs will actually
* be added; helps compatibility with older OL versions */
slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
/* check entry's schema */
rs->sr_err = entry_schema_check( op, op->oq_add.rs_e, NULL,
get_manageDIT(op), &rs->sr_text, textbuf, textlen );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": entry failed schema check: "
"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
goto return_results;
}
#ifdef BDB_SUBENTRIES
subentry = is_entry_subentry( op->oq_add.rs_e );
#endif
/*
* acquire an ID outside of the operation transaction
* to avoid serializing adds.
*/
rs->sr_err = bdb_next_id( op->o_bd, NULL, &op->oq_add.rs_e->e_id );
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": next_id failed (%d)\n",
rs->sr_err, 0, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
if( 0 ) {
retry: /* transaction retry */
if( p ) {
/* free parent and reader lock */
bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
p = NULL;
}
rs->sr_err = TXN_ABORT( ltid );
ltid = NULL;
op->o_private = NULL;
op->o_do_not_cache = opinfo.boi_acl_cache;
if( rs->sr_err != 0 ) {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
if ( op->o_abandon ) {
rs->sr_err = SLAPD_ABANDON;
goto return_results;
}
ldap_pvt_thread_yield();
bdb_trans_backoff( ++num_retries );
}
/* begin transaction */
rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
bdb->bi_db_opflags );
rs->sr_text = NULL;
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": txn_begin failed: %s (%d)\n",
db_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
locker = TXN_ID ( ltid );
opinfo.boi_bdb = op->o_bd;
opinfo.boi_txn = ltid;
opinfo.boi_locker = locker;
opinfo.boi_err = 0;
opinfo.boi_acl_cache = op->o_do_not_cache;
op->o_private = &opinfo;
/*
* Get the parent dn and see if the corresponding entry exists.
*/
if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
pdn = slap_empty_bv;
} else {
dnParent( &op->oq_add.rs_e->e_nname, &pdn );
}
/* get entry or parent */
rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
1, locker, &lock );
switch( rs->sr_err ) {
case 0:
rs->sr_err = LDAP_ALREADY_EXISTS;
goto return_results;
case DB_NOTFOUND:
break;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
p = ei->bei_e;
if ( p ) {
if ( !bvmatch( &pdn, &p->e_nname ) ) {
rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
op->o_tmpmemctx );
rs->sr_ref = is_entry_referral( p )
? get_entry_referrals( op, p )
: NULL;
bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": parent "
"does not exist\n", 0, 0, 0 );
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
rs->sr_err = access_allowed( op, p,
children, NULL, ACL_WADD, NULL );
if ( ! rs->sr_err ) {
switch( opinfo.boi_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
}
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": no write access to parent\n",
0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to parent";
goto return_results;;
}
#ifdef BDB_SUBENTRIES
if ( is_entry_subentry( p ) ) {
/* parent is a subentry, don't allow add */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": parent is subentry\n",
0, 0, 0 );
rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
rs->sr_text = "parent is a subentry";
goto return_results;;
}
#endif
if ( is_entry_alias( p ) ) {
/* parent is an alias, don't allow add */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": parent is alias\n",
0, 0, 0 );
rs->sr_err = LDAP_ALIAS_PROBLEM;
rs->sr_text = "parent is an alias";
goto return_results;;
}
if ( is_entry_referral( p ) ) {
/* parent is a referral, don't allow add */
rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
op->o_tmpmemctx );
rs->sr_ref = get_entry_referrals( op, p );
bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": parent is referral\n",
0, 0, 0 );
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
#ifdef BDB_SUBENTRIES
if ( subentry ) {
/* FIXME: */
/* parent must be an administrative point of the required kind */
}
#endif
/* free parent and reader lock */
bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
p = NULL;
} else {
/*
* no parent!
* if not attempting to add entry at suffix or with parent ""
*/
if ((( !be_isroot( op ) && !be_shadow_update(op) )
|| pdn.bv_len > 0 ) && !is_entry_glue( op->oq_add.rs_e ))
{
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": %s denied\n",
pdn.bv_len == 0 ? "suffix" : "entry at root",
0, 0 );
rs->sr_err = LDAP_NO_SUCH_OBJECT;
goto return_results;
}
}
if ( get_assert( op ) &&
( test_filter( op, op->oq_add.rs_e, get_assertion( op ))
!= LDAP_COMPARE_TRUE ))
{
rs->sr_err = LDAP_ASSERTION_FAILED;
goto return_results;
}
rs->sr_err = access_allowed( op, op->oq_add.rs_e,
entry, NULL, ACL_WADD, NULL );
if ( ! rs->sr_err ) {
switch( opinfo.boi_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
}
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": no write access to entry\n",
0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to entry";
goto return_results;;
}
/* nested transaction */
rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
bdb->bi_db_opflags );
rs->sr_text = NULL;
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": txn_begin(2) failed: "
"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
/* dn2id index */
rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->oq_add.rs_e );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": dn2id_add failed: %s (%d)\n",
db_strerror(rs->sr_err), rs->sr_err, 0 );
switch( rs->sr_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
case DB_KEYEXIST:
rs->sr_err = LDAP_ALREADY_EXISTS;
break;
default:
rs->sr_err = LDAP_OTHER;
}
goto return_results;
}
/* id2entry index */
rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->oq_add.rs_e );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": id2entry_add failed\n",
0, 0, 0 );
switch( rs->sr_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
default:
rs->sr_err = LDAP_OTHER;
}
rs->sr_text = "entry store failed";
goto return_results;
}
/* attribute indexes */
rs->sr_err = bdb_index_entry_add( op, lt2, op->oq_add.rs_e );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": index_entry_add failed\n",
0, 0, 0 );
switch( rs->sr_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
default:
rs->sr_err = LDAP_OTHER;
}
rs->sr_text = "index generation failed";
goto return_results;
}
if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "txn_commit(2) failed";
goto return_results;
}
/* post-read */
if( op->o_postread ) {
if( postread_ctrl == NULL ) {
postread_ctrl = &ctrls[num_ctrls++];
ctrls[num_ctrls] = NULL;
}
if ( slap_read_controls( op, rs, op->oq_add.rs_e,
&slap_post_read_bv, postread_ctrl ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(bdb_add) ": post-read "
"failed!\n", 0, 0, 0 );
goto return_results;
}
}
if ( op->o_noop ) {
if (( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
rs->sr_text = "txn_abort (no-op) failed";
} else {
rs->sr_err = LDAP_X_NO_OPERATION;
ltid = NULL;
goto return_results;
}
} else {
struct berval nrdn;
Entry *e = entry_dup( op->ora_e );
dnRdn( &e->e_nname, &nrdn );
bdb_cache_add( bdb, ei, e, &nrdn, locker );
if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
rs->sr_text = "txn_commit failed";
} else {
rs->sr_err = LDAP_SUCCESS;
}
}
ltid = NULL;
op->o_private = NULL;
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": %s : %s (%d)\n",
rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
rs->sr_err = LDAP_OTHER;
goto return_results;
}
Debug(LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_add) ": added%s id=%08lx dn=\"%s\"\n",
op->o_noop ? " (no-op)" : "",
op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
rs->sr_text = NULL;
if( num_ctrls ) rs->sr_ctrls = ctrls;
return_results:
send_ldap_result( op, rs );
if ( !SLAP_SHADOW( op->o_bd ))
slap_graduate_commit_csn( op );
if( ltid != NULL ) {
TXN_ABORT( ltid );
}
op->o_private = NULL;
if( postread_ctrl != NULL ) {
slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
}
if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
ldap_pvt_thread_yield();
TXN_CHECKPOINT( bdb->bi_dbenv,
bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
}
return rs->sr_err;
}