openldap/servers/slapd/back-bdb2/add.c
1999-03-05 10:25:55 +00:00

271 lines
6.1 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 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, "", "" );
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, "",
"" );
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.
*/
if ( (pdn = dn_parent( be, e->e_ndn )) != NULL ) {
char *matched = NULL;
/* get parent with writer lock */
if ( (p = bdb2i_dn2entry_w( be, pdn, &matched )) == NULL ) {
Debug( LDAP_DEBUG_TRACE, "parent does not exist\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
matched, "" );
if ( matched != NULL ) {
free( matched );
}
entry_free( e );
free( pdn );
return -1;
}
free(pdn);
if ( matched != NULL ) {
free( matched );
}
if ( ! access_allowed( be, conn, op, p,
"children", NULL, ACL_WRITE ) )
{
Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
"", "" );
/* free parent and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, p );
entry_free( e );
return -1;
}
} else {
/* no parent, must be adding entry to root */
if ( ! be_isroot( be, op->o_ndn ) ) {
Debug( LDAP_DEBUG_TRACE, "no parent & not root\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
"", "" );
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 );
/* return the id */
bdb2i_next_id_return( be, e->e_id );
/* free the entry */
entry_free( e );
if(rc > 0) {
send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
} else {
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
}
return( -1 );
}
rc = -1;
/*
* add it to the id2children index for the parent
*/
bdb2i_start_timing( be->bd_info, &time1 );
if ( bdb2i_id2children_add( be, p, e ) != 0 ) {
Debug( LDAP_DEBUG_TRACE, "bdb2i_id2children_add failed\n", 0,
0, 0 );
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2CHILDREN", conn, op );
goto return_results;
}
bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2CHILDREN", conn, op );
/*
* Add the entry to the attribute indexes, then add it to
* the id2children index, dn2id index, and the id2entry 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, "", "" );
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, "", "" );
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, "", "" );
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, "", "" );
rc = 0;
return_results:;
if (p != NULL) {
/* free parent and writer lock */
bdb2i_cache_return_entry_w( &li->li_cache, p );
}
/* 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
)
{
DB_LOCK lock;
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
struct timeval time1, time2;
int ret;
bdb2i_start_timing( be->bd_info, &time1 );
if ( bdb2i_enter_backend_w( &lock ) != 0 ) {
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
return( -1 );
}
bdb2i_start_timing( be->bd_info, &time2 );
/* check, if a new default attribute index will be created,
in which case we have to open the index file BEFORE TP */
switch ( slapMode ) {
case SLAP_SERVER_MODE:
case SLAP_TIMEDSERVER_MODE:
case SLAP_TOOL_MODE:
case SLAP_TOOLID_MODE:
bdb2i_check_default_attr_index_add( li, e );
break;
}
ret = bdb2i_back_add_internal( be, conn, op, e );
bdb2i_stop_timing( be->bd_info, time2, "ADD-INTERN", conn, op );
(void) bdb2i_leave_backend_w( lock );
bdb2i_stop_timing( be->bd_info, time1, "ADD", conn, op );
return( ret );
}