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|
/* add.c - ldap mdb back-end add routine */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2000-2022 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 <stdio.h>
#include <ac/string.h>
#include "back-mdb.h"
int
mdb_add(Operation *op, SlapReply *rs )
{
struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
struct berval pdn;
Entry *p = NULL, *oe = op->ora_e;
char textbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof textbuf;
AttributeDescription *children = slap_schema.si_ad_children;
AttributeDescription *entry = slap_schema.si_ad_entry;
MDB_txn *txn = NULL;
MDB_cursor *mc = NULL;
MDB_cursor *mcd;
ID eid, pid = 0;
mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
int subentry;
int numads = mdb->mi_numads;
int success;
LDAPControl **postread_ctrl = NULL;
LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
int num_ctrls = 0;
Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_add) ": %s\n",
op->ora_e->e_name.bv_val );
ctrls[num_ctrls] = 0;
/* check entry's schema */
rs->sr_err = entry_schema_check( op, op->ora_e, NULL,
get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": entry failed schema check: "
"%s (%d)\n", rs->sr_text, rs->sr_err );
goto return_results;
}
/* begin transaction */
rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
rs->sr_text = NULL;
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": txn_begin failed: %s (%d)\n",
mdb_strerror(rs->sr_err), rs->sr_err );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
txn = moi->moi_txn;
/* add opattrs to shadow as well, only missing attrs will actually
* be added; helps compatibility with older OL versions */
rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": entry failed op attrs add: "
"%s (%d)\n", rs->sr_text, rs->sr_err );
goto return_results;
}
if ( get_assert( op ) &&
( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
{
rs->sr_err = LDAP_ASSERTION_FAILED;
goto return_results;
}
subentry = is_entry_subentry( op->ora_e );
/*
* Get the parent dn and see if the corresponding entry exists.
*/
if ( be_issuffix( op->o_bd, &op->ora_e->e_nname ) ) {
pdn = slap_empty_bv;
} else {
dnParent( &op->ora_e->e_nname, &pdn );
}
rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mcd );
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
rs->sr_err );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
/* get entry or parent */
rs->sr_err = mdb_dn2entry( op, txn, mcd, &op->ora_e->e_nname, &p, NULL, 1 );
switch( rs->sr_err ) {
case 0:
rs->sr_err = LDAP_ALREADY_EXISTS;
mdb_entry_return( op, p );
p = NULL;
goto return_results;
case MDB_NOTFOUND:
break;
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;
}
if ( !p )
p = (Entry *)&slap_entry_root;
if ( !bvmatch( &pdn, &p->e_nname ) ) {
rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
op->o_tmpmemctx );
if ( p != (Entry *)&slap_entry_root && is_entry_referral( p )) {
BerVarray ref = get_entry_referrals( op, p );
rs->sr_ref = referral_rewrite( ref, &p->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
} else {
rs->sr_ref = NULL;
}
if ( p != (Entry *)&slap_entry_root )
mdb_entry_return( op, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent "
"does not exist\n" );
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 ) {
if ( p != (Entry *)&slap_entry_root )
mdb_entry_return( op, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": no write access to parent\n" );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to parent";
goto return_results;;
}
if ( p != (Entry *)&slap_entry_root ) {
if ( is_entry_subentry( p ) ) {
mdb_entry_return( op, p );
p = NULL;
/* parent is a subentry, don't allow add */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent is subentry\n" );
rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
rs->sr_text = "parent is a subentry";
goto return_results;;
}
if ( is_entry_alias( p ) ) {
mdb_entry_return( op, p );
p = NULL;
/* parent is an alias, don't allow add */
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent is alias\n" );
rs->sr_err = LDAP_ALIAS_PROBLEM;
rs->sr_text = "parent is an alias";
goto return_results;;
}
if ( is_entry_referral( p ) ) {
BerVarray ref = get_entry_referrals( op, 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 = referral_rewrite( ref, &p->e_name,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
ber_bvarray_free( ref );
mdb_entry_return( op, p );
p = NULL;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": parent is referral\n" );
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
}
if ( subentry ) {
/* FIXME: */
/* parent must be an administrative point of the required kind */
}
/* free parent */
if ( p != (Entry *)&slap_entry_root ) {
pid = p->e_id;
if ( p->e_nname.bv_len ) {
struct berval ppdn;
/* ITS#5326: use parent's DN if differs from provided one */
dnParent( &op->ora_e->e_name, &ppdn );
if ( !dn_match( &p->e_name, &ppdn ) ) {
struct berval rdn;
struct berval newdn;
dnRdn( &op->ora_e->e_name, &rdn );
build_new_dn( &newdn, &p->e_name, &rdn, NULL );
if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val )
ber_memfree( op->ora_e->e_name.bv_val );
op->ora_e->e_name = newdn;
/* FIXME: should check whether
* dnNormalize(newdn) == e->e_nname ... */
}
}
mdb_entry_return( op, p );
}
p = NULL;
rs->sr_err = access_allowed( op, op->ora_e,
entry, NULL, ACL_WADD, NULL );
if ( ! rs->sr_err ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": no write access to entry\n" );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to entry";
goto return_results;;
}
/*
* Check ACL for attribute write access
*/
if (!acl_check_modlist(op, oe, op->ora_modlist)) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": no write access to attribute\n" );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to attribute";
goto return_results;;
}
rs->sr_err = mdb_cursor_open( txn, mdb->mi_id2entry, &mc );
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
rs->sr_err );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
rs->sr_err = mdb_next_id( op->o_bd, mc, &eid );
if( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": next_id failed (%d)\n",
rs->sr_err );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
op->ora_e->e_id = eid;
/* dn2id index */
rs->sr_err = mdb_dn2id_add( op, mcd, mcd, pid, 1, 1, op->ora_e );
mdb_cursor_close( mcd );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": dn2id_add failed: %s (%d)\n",
mdb_strerror(rs->sr_err), rs->sr_err );
switch( rs->sr_err ) {
case MDB_KEYEXIST:
rs->sr_err = LDAP_ALREADY_EXISTS;
break;
default:
rs->sr_err = LDAP_OTHER;
}
goto return_results;
}
/* attribute indexes */
rs->sr_err = mdb_index_entry_add( op, txn, op->ora_e );
if ( rs->sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": index_entry_add failed\n" );
rs->sr_err = LDAP_OTHER;
rs->sr_text = "index generation failed";
goto return_results;
}
/* id2entry index */
rs->sr_err = mdb_id2entry_add( op, txn, mc, op->ora_e );
if ( rs->sr_err != 0 ) {
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": id2entry_add failed\n" );
if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ) {
rs->sr_text = "entry is too big";
} else {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "entry store 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->ora_e,
&slap_post_read_bv, postread_ctrl ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- " LDAP_XSTRING(mdb_add) ": post-read "
"failed!\n" );
if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
/* FIXME: is it correct to abort
* operation if control fails? */
goto return_results;
}
}
}
if ( moi == &opinfo ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
opinfo.moi_oe.oe_key = NULL;
if ( op->o_noop ) {
mdb->mi_numads = numads;
mdb_txn_abort( txn );
rs->sr_err = LDAP_X_NO_OPERATION;
txn = NULL;
goto return_results;
}
rs->sr_err = mdb_txn_commit( txn );
txn = NULL;
if ( rs->sr_err != 0 ) {
mdb->mi_numads = numads;
rs->sr_text = "txn_commit failed";
Debug( LDAP_DEBUG_ANY,
LDAP_XSTRING(mdb_add) ": %s : %s (%d)\n",
rs->sr_text, mdb_strerror(rs->sr_err), rs->sr_err );
rs->sr_err = LDAP_OTHER;
goto return_results;
}
}
Debug(LDAP_DEBUG_TRACE,
LDAP_XSTRING(mdb_add) ": added%s id=%08lx dn=\"%s\"\n",
op->o_noop ? " (no-op)" : "",
op->ora_e->e_id, op->ora_e->e_dn );
rs->sr_text = NULL;
if( num_ctrls ) rs->sr_ctrls = ctrls;
return_results:
success = rs->sr_err;
send_ldap_result( op, rs );
if( moi == &opinfo ) {
if( txn != NULL ) {
mdb->mi_numads = numads;
mdb_txn_abort( txn );
}
if ( opinfo.moi_oe.oe_key ) {
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
}
} else {
moi->moi_ref--;
}
if( success == LDAP_SUCCESS ) {
#if 0
if ( mdb->bi_txn_cp_kbyte ) {
TXN_CHECKPOINT( mdb->bi_dbenv,
mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
}
#endif
}
slap_graduate_commit_csn( op );
if( postread_ctrl != NULL && (*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;
}
|
