/* modify.c - ldbm backend modify routine */
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
#include "portable.h"
#include <ac/string.h>
#include <ac/socket.h>
+#include <ac/time.h>
#include "slap.h"
#include "back-ldbm.h"
#include "proto-back-ldbm.h"
-static int add_values(Entry *e, LDAPMod *mod, char *dn);
-static int delete_values(Entry *e, LDAPMod *mod, char *dn);
-static int replace_values(Entry *e, LDAPMod *mod, char *dn);
+static int add_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
+static int delete_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
+static int replace_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
-int
-ldbm_back_modify(
+/* We need this function because of LDAP modrdn. If we do not
+ * add this there would be a bunch of code replication here
+ * and there and of course the likelihood of bugs increases.
+ * Juan C. Gomez (gomez@engr.sgi.com) 05/18/99
+ */
+
+int ldbm_modify_internal(
Backend *be,
Connection *conn,
Operation *op,
char *dn,
- LDAPModList *modlist
+ Modifications *modlist,
+ Entry *e
)
{
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
- char *matched;
- LDAPModList *ml;
- Entry *e;
- int i, err;
-
- Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
+ int err;
+ Modification *mod;
+ Modifications *ml;
+ Attribute *save_attrs;
- if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
- send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched,
- NULL );
- if ( matched != NULL ) {
- free( matched );
- }
- return( -1 );
+ if ( !acl_check_modlist( be, conn, op, e, modlist )) {
+ return LDAP_INSUFFICIENT_ACCESS;
}
- /* check for deleted */
-
- /* lock entry */
-
- if ( (err = acl_check_modlist( be, conn, op, e, modlist )) != LDAP_SUCCESS ) {
- send_ldap_result( conn, op, err, NULL, NULL );
- goto error_return;
- }
+ save_attrs = e->e_attrs;
+ e->e_attrs = attrs_dup( e->e_attrs );
- for ( ml = modlist; ml != NULL; ml = ml->ml_next ) {
- LDAPMod *mod = &ml->ml_mod;
+ for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
+ mod = &ml->sml_mod;
- switch ( mod->mod_op & ~LDAP_MOD_BVALUES ) {
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ switch ( mod->sm_op )
+#else
+ switch ( mod->mod_op )
+#endif
+ {
case LDAP_MOD_ADD:
- err = add_values( e, mod, op->o_dn );
+ err = add_values( e, mod, op->o_ndn );
break;
case LDAP_MOD_DELETE:
- err = delete_values( e, mod, op->o_dn );
+ err = delete_values( e, mod, op->o_ndn );
break;
case LDAP_MOD_REPLACE:
- err = replace_values( e, mod, op->o_dn );
+ err = replace_values( e, mod, op->o_ndn );
break;
+
+ case SLAP_MOD_SOFTADD:
+ /* Avoid problems in index_add_mods()
+ * We need to add index if necessary.
+ */
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ mod->sm_op = LDAP_MOD_ADD;
+#else
+ mod->mod_op = LDAP_MOD_ADD;
+#endif
+ err = add_values( e, mod, op->o_ndn );
+ if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
+ err = LDAP_SUCCESS;
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ mod->sm_op = SLAP_MOD_SOFTADD;
+#else
+ mod->mod_op = SLAP_MOD_SOFTADD;
+#endif
+
+ }
+ break;
}
if ( err != LDAP_SUCCESS ) {
+ attrs_free( e->e_attrs );
+ e->e_attrs = save_attrs;
/* unlock entry, delete from cache */
- send_ldap_result( conn, op, err, NULL, NULL );
- goto error_return;
+ return err;
}
}
+ /* check for abandon */
+ ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
+ if ( op->o_abandon ) {
+ attrs_free( e->e_attrs );
+ e->e_attrs = save_attrs;
+ ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
+ return SLAPD_ABANDON;
+ }
+ ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
+
/* check that the entry still obeys the schema */
- if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
+ if ( schema_check_entry( e ) != 0 ) {
+ attrs_free( e->e_attrs );
+ e->e_attrs = save_attrs;
Debug( LDAP_DEBUG_ANY, "entry failed schema check\n", 0, 0, 0 );
- send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, NULL, NULL );
- goto error_return;
+ return LDAP_OBJECT_CLASS_VIOLATION;
}
/* check for abandon */
- pthread_mutex_lock( &op->o_abandonmutex );
+ ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
if ( op->o_abandon ) {
- pthread_mutex_unlock( &op->o_abandonmutex );
- goto error_return;
+ attrs_free( e->e_attrs );
+ e->e_attrs = save_attrs;
+ ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
+ return SLAPD_ABANDON;
+ }
+ ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
+
+ /* remove old indices */
+ if( save_attrs != NULL ) {
+ for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
+ mod = &ml->sml_mod;
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ if ( mod->sm_op == LDAP_MOD_REPLACE )
+#else
+ if ( mod->mod_op == LDAP_MOD_REPLACE )
+#endif
+ {
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ /* not yet implemented */
+#else
+ /* Need to remove all values from indexes */
+ Attribute *a = attr_find( save_attrs, mod->mod_type );
+
+ if( a != NULL ) {
+ (void) index_change_values( be,
+ mod->mod_type,
+ a->a_vals,
+ e->e_id,
+ SLAP_INDEX_DELETE_OP);
+ }
+#endif
+ }
+ }
+ attrs_free( save_attrs );
}
- pthread_mutex_unlock( &op->o_abandonmutex );
/* modify indexes */
if ( index_add_mods( be, modlist, e->e_id ) != 0 ) {
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
+ /* our indices are likely hosed */
+ return LDAP_OTHER;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+
+int
+ldbm_back_modify(
+ Backend *be,
+ Connection *conn,
+ Operation *op,
+ char *dn,
+ char *ndn,
+ Modifications *modlist
+)
+{
+ int rc;
+ struct ldbminfo *li = (struct ldbminfo *) be->be_private;
+ Entry *matched;
+ Entry *e;
+ int manageDSAit = get_manageDSAit( op );
+
+ Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
+
+ /* acquire and lock entry */
+ if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
+ char* matched_dn = NULL;
+ struct berval **refs = NULL;
+
+ if ( matched != NULL ) {
+ matched_dn = ch_strdup( matched->e_dn );
+ refs = is_entry_referral( matched )
+ ? get_entry_referrals( be, conn, op, matched )
+ : NULL;
+ cache_return_entry_r( &li->li_cache, matched );
+ } else {
+ refs = default_referral;
+ }
+
+ send_ldap_result( conn, op, LDAP_REFERRAL,
+ matched_dn, NULL, refs, NULL );
+
+ if ( matched != NULL ) {
+ ber_bvecfree( refs );
+ free( matched_dn );
+ }
+
+ return( -1 );
+ }
+
+ if ( !manageDSAit && is_entry_referral( e ) ) {
+ /* parent is a referral, don't allow add */
+ /* parent is an alias, don't allow add */
+ struct berval **refs = get_entry_referrals( be,
+ conn, op, e );
+
+ Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
+ 0, 0 );
+
+ send_ldap_result( conn, op, LDAP_REFERRAL,
+ e->e_dn, NULL, refs, NULL );
+
+ ber_bvecfree( refs );
+
goto error_return;
}
+
+ /* Modify the entry */
+ rc = ldbm_modify_internal( be, conn, op, ndn, modlist, e );
+
+ if( rc != LDAP_SUCCESS ) {
+ if( rc != SLAPD_ABANDON ) {
+ send_ldap_result( conn, op, rc,
+ NULL, NULL, NULL, NULL );
+ }
- /* check for abandon */
- pthread_mutex_lock( &op->o_abandonmutex );
- if ( op->o_abandon ) {
- pthread_mutex_unlock( &op->o_abandonmutex );
goto error_return;
}
- pthread_mutex_unlock( &op->o_abandonmutex );
/* change the entry itself */
if ( id2entry_add( be, e ) != 0 ) {
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
+ send_ldap_result( conn, op, LDAP_OTHER,
+ NULL, NULL, NULL, NULL );
goto error_return;
}
- send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
+ send_ldap_result( conn, op, LDAP_SUCCESS,
+ NULL, NULL, NULL, NULL );
+
cache_return_entry_w( &li->li_cache, e );
return( 0 );
static int
add_values(
Entry *e,
- LDAPMod *mod,
+ Modification *mod,
char *dn
)
{
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ /* not yet implemented */
+#else
int i;
Attribute *a;
if( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
return( LDAP_CONSTRAINT_VIOLATION );
}
+#endif
return( LDAP_SUCCESS );
}
static int
delete_values(
Entry *e,
- LDAPMod *mod,
+ Modification *mod,
char *dn
)
{
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ /* not yet implemented */
+#else
int i, j, k, found;
Attribute *a;
a->a_vals[k - 1] = a->a_vals[k];
}
a->a_vals[k - 1] = NULL;
+
+ /* delete the entire attribute, if no values remain */
+ if ( a->a_vals[0] == NULL) {
+ Debug( LDAP_DEBUG_ARGS,
+ "removing entire attribute %s\n",
+ mod->mod_type, 0, 0 );
+ if ( attr_delete( &e->e_attrs, mod->mod_type ) ) {
+ return LDAP_NO_SUCH_ATTRIBUTE;
+ }
+ }
+
break;
}
return( LDAP_NO_SUCH_ATTRIBUTE );
}
}
+#endif
return( LDAP_SUCCESS );
}
static int
replace_values(
Entry *e,
- LDAPMod *mod,
+ Modification *mod,
char *dn
)
{
+#ifdef SLAPD_SCHEMA_NOT_COMPAT
+ /* not yet implemented */
+#else
(void) attr_delete( &e->e_attrs, mod->mod_type );
- if ( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
+ if ( mod->mod_bvalues != NULL &&
+ attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 )
+ {
return( LDAP_CONSTRAINT_VIOLATION );
}
+#endif
return( LDAP_SUCCESS );
}