openldap/servers/slapd/back-bdb2/add.c
Kurt Zeilenga e4f6d54877 New dn2id format with base/one/subtree indices (ldbm/bdb2)
New id2entry (id-less) format (ldbm/bdb2)
Removed id2children (ldbm/bdb2)
Added nextid database (ldbm)
Broke ldbmtest
Removed ldif2* tools (ldbm/bdb2)
Added slap tools (slapadd, slapcat, slapindex)
1999-08-17 19:00:59 +00:00

325 lines
7.1 KiB
C

/* add.c - ldap bdb2 back-end add routine */
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "back-bdb2.h"
#include "proto-back-bdb2.h"
static DB_LOCK lock;
static int
bdb2i_back_add_internal(
BackendDB *be,
Connection *conn,
Operation *op,
Entry *e
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
char *pdn;
Entry *p = NULL;
int rc;
struct timeval time1;
Debug(LDAP_DEBUG_ARGS, "==> bdb2i_back_add: %s\n", e->e_dn, 0, 0);
if ( ( bdb2i_dn2id( be, e->e_ndn ) ) != NOID ) {
entry_free( e );
send_ldap_result( conn, op, LDAP_ALREADY_EXISTS,
NULL, NULL, NULL, NULL );
return( -1 );
}
if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
Debug( LDAP_DEBUG_TRACE, "entry failed schema check\n",
0, 0, 0 );
entry_free( e );
send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION,
NULL, NULL, NULL, NULL );
return( -1 );
}
/*
* Get the parent dn and see if the corresponding entry exists.
* If the parent does not exist, only allow the "root" user to
* add the entry.
*/
pdn = dn_parent( be, e->e_ndn );
if( pdn != NULL && *pdn != '\0' ) {
Entry *matched = NULL;
assert( *pdn != '\0' );
/* get parent with writer lock */
if ( (p = bdb2i_dn2entry_w( be, pdn, &matched )) == NULL ) {
char *matched_dn;
struct berval **refs;
if( matched != NULL ) {
matched_dn = ch_strdup( matched->e_dn );
refs = is_entry_referral( matched )
? get_entry_referrals( be, conn, op, matched )
: NULL;
bdb2i_cache_return_entry_w( &li->li_cache, matched );
} else {
matched_dn = NULL;
refs = default_referral;
}
Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
0, 0, 0 );
send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
matched_dn, NULL, NULL, NULL );
if ( matched != NULL ) {
ber_bvecfree( refs );
free( matched_dn );
}
entry_free( e );
free( pdn );
return -1;
}
free(pdn);
if ( ! access_allowed( be, conn, op, p,
"children", NULL, ACL_WRITE ) )
{
/* free parent and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, p );
Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
NULL, NULL, NULL, NULL );
entry_free( e );
return -1;
}
if ( is_entry_alias( p ) ) {
/* parent is an alias, don't allow add */
/* free parent and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, p );
Debug( LDAP_DEBUG_TRACE, "parent is alias\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
NULL, NULL, NULL, NULL );
entry_free( e );
return -1;
}
if ( is_entry_referral( p ) ) {
/* parent is an referral, don't allow add */
char *matched_dn = ch_strdup( matched->e_dn );
struct berval **refs = is_entry_referral( matched )
? get_entry_referrals( be, conn, op, matched )
: NULL;
/* free parent and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, p );
Debug( LDAP_DEBUG_TRACE, "parent is referral\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_REFERRAL,
matched_dn, NULL, refs, NULL );
ber_bvecfree( refs );
free( matched_dn );
entry_free( e );
return -1;
}
} else {
if(pdn != NULL) {
assert( *pdn == '\0' );
free(pdn);
}
/* no parent, must be adding entry to root */
if ( !be_isroot( be, op->o_ndn ) && !be_issuffix(be, "") ) {
Debug( LDAP_DEBUG_TRACE, "%s add denied\n",
pdn == NULL ? "suffix" : "entry at root",
0, 0 );
send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
NULL, NULL, NULL, NULL );
entry_free( e );
return -1;
}
}
e->e_id = bdb2i_next_id( be );
/*
* Try to add the entry to the cache, assign it a new dnid.
*/
bdb2i_start_timing( be->bd_info, &time1 );
rc = bdb2i_cache_add_entry_rw( &li->li_cache, e, CACHE_WRITE_LOCK );
bdb2i_stop_timing( be->bd_info, time1, "ADD-CACHE", conn, op );
if ( rc != 0 ) {
if( p != NULL) {
/* free parent and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, p );
}
Debug( LDAP_DEBUG_ANY, "cache_add_entry_lock failed\n", 0, 0,
0 );
/* free the entry */
entry_free( e );
send_ldap_result( conn, op,
rc > 0 ? LDAP_ALREADY_EXISTS : LDAP_OPERATIONS_ERROR,
NULL, NULL, NULL, NULL );
return( -1 );
}
rc = -1;
/*
* Add the entry to the attribute indexes, then add it to
* the id2entry and dn2id index.
*/
bdb2i_start_timing( be->bd_info, &time1 );
/* attribute indexes */
if ( bdb2i_index_add_entry( be, e ) != 0 ) {
Debug( LDAP_DEBUG_TRACE, "bdb2i_index_add_entry failed\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
NULL, NULL, NULL, NULL );
bdb2i_stop_timing( be->bd_info, time1, "ADD-INDEX", conn, op );
goto return_results;
}
bdb2i_stop_timing( be->bd_info, time1, "ADD-INDEX", conn, op );
bdb2i_start_timing( be->bd_info, &time1 );
/* dn2id index */
if ( bdb2i_dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
Debug( LDAP_DEBUG_TRACE, "bdb2i_dn2id_add failed\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
NULL, NULL, NULL, NULL );
bdb2i_stop_timing( be->bd_info, time1, "ADD-DN2ID", conn, op );
goto return_results;
}
bdb2i_stop_timing( be->bd_info, time1, "ADD-DN2ID", conn, op );
bdb2i_start_timing( be->bd_info, &time1 );
/* id2entry index */
if ( bdb2i_id2entry_add( be, e ) != 0 ) {
Debug( LDAP_DEBUG_TRACE, "bdb2i_id2entry_add failed\n", 0,
0, 0 );
(void) bdb2i_dn2id_delete( be, e->e_ndn );
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
NULL, NULL, NULL, NULL );
bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2ENTRY", conn, op );
goto return_results;
}
bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2ENTRY", conn, op );
send_ldap_result( conn, op, LDAP_SUCCESS,
NULL, NULL, NULL, NULL );
rc = 0;
return_results:;
if (p != NULL) {
/* free parent and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, p );
}
if ( rc ) {
/* free entry and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, e );
}
return( rc );
}
int
bdb2_back_add(
BackendDB *be,
Connection *conn,
Operation *op,
Entry *e
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
struct timeval time1;
int ret;
bdb2i_start_timing( be->bd_info, &time1 );
if ( bdb2i_enter_backend_w( &lock ) != 0 ) {
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
NULL, NULL, NULL, NULL );
return( -1 );
}
/* check, if a new default attribute index will be created,
in which case we have to open the index file BEFORE TP */
switch ( slapMode & SLAP_MODE ) {
case SLAP_SERVER_MODE:
case SLAP_TOOL_MODE:
bdb2i_check_default_attr_index_add( li, e );
break;
}
ret = bdb2i_back_add_internal( be, conn, op, e );
/* if the operation was successful, we will delay the unlock */
if ( ret )
(void) bdb2i_leave_backend_w( lock );
bdb2i_stop_timing( be->bd_info, time1, "ADD", conn, op );
return( ret );
}
int
bdb2i_release_add_lock( void )
{
(void) bdb2i_leave_backend_w( lock );
return 0;
}