/* modify.c - ldbm backend modify routine */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 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 "back-ldbm.h"
#include "proto-back-ldbm.h"
-static void add_lastmods(Operation *op, LDAPModList **ml);
-
-
-static void
-add_lastmods( Operation *op, LDAPModList **modlist )
-{
- char buf[22];
- struct berval bv;
- struct berval *bvals[2];
- LDAPModList **m;
- LDAPModList *tmp;
- struct tm *ltm;
- time_t currenttime;
-
- Debug( LDAP_DEBUG_TRACE, "add_lastmods\n", 0, 0, 0 );
-
- bvals[0] = &bv;
- bvals[1] = NULL;
-
- /* remove any attempts by the user to modify these attrs */
- for ( m = modlist; *m != NULL; m = &(*m)->ml_next ) {
- if ( strcasecmp( (*m)->ml_type, "modifytimestamp" ) == 0 ||
- strcasecmp( (*m)->ml_type, "modifiersname" ) == 0 ||
- strcasecmp( (*m)->ml_type, "createtimestamp" ) == 0 ||
- strcasecmp( (*m)->ml_type, "creatorsname" ) == 0 ) {
-
- Debug( LDAP_DEBUG_TRACE,
- "add_lastmods: found lastmod attr: %s\n",
- (*m)->ml_type, 0, 0 );
- tmp = *m;
- *m = (*m)->ml_next;
- free( tmp->ml_type );
- if ( tmp->ml_bvalues != NULL ) {
- ber_bvecfree( tmp->ml_bvalues );
- }
- free( tmp );
- if (!*m)
- break;
- }
- }
-
- if ( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
- bv.bv_val = "NULLDN";
- bv.bv_len = strlen( bv.bv_val );
- } else {
- bv.bv_val = op->o_dn;
- bv.bv_len = strlen( bv.bv_val );
- }
- tmp = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
- tmp->ml_type = ch_strdup( "modifiersname" );
- tmp->ml_op = LDAP_MOD_REPLACE;
- tmp->ml_bvalues = (struct berval **) ch_calloc(2, sizeof(struct berval *));
- tmp->ml_bvalues[0] = ber_bvdup( &bv );
- tmp->ml_next = *modlist;
- *modlist = tmp;
-
- currenttime = slap_get_time();
- ldap_pvt_thread_mutex_lock( &gmtime_mutex );
-#ifndef LDAP_LOCALTIME
- ltm = gmtime( ¤ttime );
- strftime( buf, sizeof(buf), "%Y%m%d%H%M%SZ", ltm );
-#else
- ltm = localtime( ¤ttime );
- strftime( buf, sizeof(buf), "%y%m%d%H%M%SZ", ltm );
-#endif
- ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
-
- bv.bv_val = buf;
- bv.bv_len = strlen( bv.bv_val );
- tmp = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
- tmp->ml_type = ch_strdup( "modifytimestamp" );
- tmp->ml_op = LDAP_MOD_REPLACE;
- tmp->ml_bvalues = (struct berval **) ch_calloc(2, sizeof(struct berval *));
- tmp->ml_bvalues[0] = ber_bvdup( &bv );
- tmp->ml_next = *modlist;
- *modlist = tmp;
-
-}
-
/* 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,
- Entry *e
-)
+ Modifications *modlist,
+ Entry *e,
+ const char **text,
+ char *textbuf,
+ size_t textlen )
{
- int i, err;
- LDAPMod *mod;
- LDAPModList *ml;
-
- if ( ((be->be_lastmod == ON)
- || ((be->be_lastmod == UNDEFINED)&&(global_lastmod == ON)))
- && (be->be_update_ndn == NULL)) {
-
- /* XXX: It may be wrong, it changes mod time even if
- * mod fails!
- */
- add_lastmods( op, &modlist );
-
+ int rc = LDAP_SUCCESS;
+ Modification *mod;
+ Modifications *ml;
+ Attribute *save_attrs;
+ Attribute *ap;
+
+ Debug(LDAP_DEBUG_TRACE,
+ "ldbm_modify_internal: %s\n",
+ e->e_name.bv_val,
+ get_permissiveModify(op) ? " (permissive)" : "",
+ 0 );
+
+ if ( !acl_check_modlist( op, e, modlist )) {
+ return LDAP_INSUFFICIENT_ACCESS;
}
+ save_attrs = e->e_attrs;
+ e->e_attrs = attrs_dup( e->e_attrs );
- if ( (err = acl_check_modlist( be, conn, op, e, modlist ))
- != LDAP_SUCCESS ) {
- send_ldap_result( conn, op, err, NULL, NULL );
- return -1;
- }
-
- for ( ml = modlist; ml != NULL; ml = ml->ml_next ) {
-
- mod = &ml->ml_mod;
+ for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
+ mod = &ml->sml_mod;
- switch ( mod->mod_op & ~LDAP_MOD_BVALUES ) {
+ switch ( mod->sm_op ) {
case LDAP_MOD_ADD:
- err = add_values( e, mod, op->o_ndn );
+ Debug(LDAP_DEBUG_ARGS,
+ "ldbm_modify_internal: add\n", 0, 0, 0);
+
+ rc = modify_add_values( e, mod, get_permissiveModify( op ),
+ text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+ }
break;
case LDAP_MOD_DELETE:
- err = delete_values( e, mod, op->o_ndn );
+ Debug(LDAP_DEBUG_ARGS,
+ "ldbm_modify_internal: delete\n", 0, 0, 0);
+
+ rc = modify_delete_values( e, mod, get_permissiveModify( op ),
+ text, textbuf, textlen );
+ assert( rc != LDAP_TYPE_OR_VALUE_EXISTS );
+ if( rc != LDAP_SUCCESS ) {
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+ }
break;
case LDAP_MOD_REPLACE:
- err = replace_values( e, mod, op->o_ndn );
+ Debug(LDAP_DEBUG_ARGS,
+ "ldbm_modify_internal: replace\n", 0, 0, 0);
+
+ rc = modify_replace_values( e, mod, get_permissiveModify( op ),
+ text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+ }
break;
+
+ case LDAP_MOD_INCREMENT:
+ Debug(LDAP_DEBUG_ARGS,
+ "ldbm_modify_internal: increment\n",0,0,0);
+
+ rc = modify_increment_values( e, mod, get_permissiveModify( op ),
+ text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+ }
+ break;
+
+ case SLAP_MOD_SOFTADD:
+ Debug(LDAP_DEBUG_ARGS,
+ "ldbm_modify_internal: softadd\n", 0, 0, 0);
+
+ /* Avoid problems in index_add_mods()
+ * We need to add index if necessary.
+ */
+ mod->sm_op = LDAP_MOD_ADD;
+
+ rc = modify_add_values( e, mod, get_permissiveModify( op ),
+ text, textbuf, textlen );
+ mod->sm_op = SLAP_MOD_SOFTADD;
+ if ( rc == LDAP_TYPE_OR_VALUE_EXISTS ) {
+ rc = LDAP_SUCCESS;
+ }
+
+ if( rc != LDAP_SUCCESS ) {
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+ }
+ break;
+
+ default:
+ Debug(LDAP_DEBUG_ANY, "ldbm_modify_internal: invalid op %d\n",
+ mod->sm_op, 0, 0);
+
+ rc = LDAP_OTHER;
+ *text = "Invalid modify operation";
+ Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
+ rc, *text, 0);
+ }
+
+ if ( rc != LDAP_SUCCESS ) {
+ goto exit;
}
- if ( err != LDAP_SUCCESS ) {
- /* unlock entry, delete from cache */
- send_ldap_result( conn, op, err, NULL, NULL );
- return -1;
+ /* If objectClass was modified, reset the flags */
+ if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
+ e->e_ocflags = 0;
+ }
+
+ /* check if modified attribute was indexed */
+ rc = index_is_indexed( op->o_bd, mod->sm_desc );
+ if ( rc == LDAP_SUCCESS ) {
+ ap = attr_find( save_attrs, mod->sm_desc );
+ if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
+
+ ap = attr_find( e->e_attrs, mod->sm_desc );
+ if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
}
}
/* check that the entry still obeys the schema */
- if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
- Debug( LDAP_DEBUG_ANY, "entry failed schema check\n", 0, 0, 0 );
- send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, NULL, NULL );
- return -1;
+ rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
+
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "entry failed schema check: %s\n",
+ *text, 0, 0 );
+
+ goto exit;
}
/* check for abandon */
- ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
if ( op->o_abandon ) {
- ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
- return -1;
+ rc = SLAPD_ABANDON;
+ goto exit;
}
- ldap_pvt_thread_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 );
- return -1;
+ /* update the indices of the modified attributes */
+
+ /* start with deleting the old index entries */
+ for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
+ if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
+ rc = index_values( op, ap->a_desc,
+ ap->a_nvals,
+ e->e_id, SLAP_INDEX_DELETE_OP );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldbm_modify_internal: Attribute index delete failure\n",
+ 0, 0, 0 );
+ goto exit;
+ }
+ ap->a_flags &= ~SLAP_ATTR_IXDEL;
+ }
}
- /* check for abandon */
- ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
- if ( op->o_abandon ) {
- ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
- return -1;
+ /* add the new index entries */
+ for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
+ if ( ap->a_flags & SLAP_ATTR_IXADD ) {
+ rc = index_values( op, ap->a_desc,
+ ap->a_nvals,
+ e->e_id, SLAP_INDEX_ADD_OP );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldbm_modify_internal: Attribute index add failure\n",
+ 0, 0, 0 );
+ goto exit;
+ }
+ ap->a_flags &= ~SLAP_ATTR_IXADD;
+ }
}
- ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
-
- return 0;
-}/* int ldbm_modify_internal() */
+exit:
+ if ( rc == LDAP_SUCCESS ) {
+ attrs_free( save_attrs );
+ } else {
+ for ( ap = save_attrs; ap; ap = ap->a_next ) {
+ ap->a_flags = 0;
+ }
+ attrs_free( e->e_attrs );
+ e->e_attrs = save_attrs;
+ }
+ return rc;
+}
int
ldbm_back_modify(
- Backend *be,
- Connection *conn,
Operation *op,
- char *dn,
- LDAPModList *modlist
-)
+ SlapReply *rs )
{
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
- char *matched;
+ struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
+ Entry *matched;
Entry *e;
- int err;
+ int manageDSAit = get_manageDSAit( op );
+ char textbuf[SLAP_TEXT_BUFLEN];
+ size_t textlen = sizeof textbuf;
Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
+ /* grab giant lock for writing */
+ ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
+
/* acquire and lock entry */
- if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
- send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched,
- NULL );
+ e = dn2entry_w( op->o_bd, &op->o_req_ndn, &matched );
+
+ /* FIXME: dn2entry() should return non-glue entry */
+ if (( e == NULL ) || ( !manageDSAit && e && is_entry_glue( e ))) {
+ BerVarray deref = NULL;
if ( matched != NULL ) {
- free( matched );
+ rs->sr_matched = ch_strdup( matched->e_dn );
+ rs->sr_ref = is_entry_referral( matched )
+ ? get_entry_referrals( op, matched )
+ : NULL;
+ cache_return_entry_r( &li->li_cache, matched );
+ } else {
+ if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
+ syncinfo_t *si;
+ LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
+ struct berval tmpbv;
+ ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
+ ber_bvarray_add( &deref, &tmpbv );
+ }
+ } else {
+ deref = default_referral;
+ }
+ rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
+ LDAP_SCOPE_DEFAULT );
}
- return( -1 );
- }
- /* Modify the entry */
- if ( ldbm_modify_internal( be, conn, op, dn, modlist, e ) != 0 ) {
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+ rs->sr_err = LDAP_REFERRAL;
+ send_ldap_result( op, rs );
- goto error_return;
+ if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
+ if ( deref != default_referral ) {
+ ber_bvarray_free( deref );
+ }
+ free( (char *)rs->sr_matched );
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
+ return rs->sr_err;
}
+ if ( !manageDSAit && is_entry_referral( e ) )
+ {
+ /* parent is a referral, don't allow add */
+ /* parent is an alias, don't allow add */
+ rs->sr_ref = get_entry_referrals( op, e );
+ Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
+ 0, 0 );
- /* change the entry itself */
- if ( id2entry_add( be, e ) != 0 ) {
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
+ rs->sr_err = LDAP_REFERRAL;
+ rs->sr_matched = e->e_name.bv_val;
+ send_ldap_result( op, rs );
+
+ if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
goto error_return;
}
+
+ /* Modify the entry */
+ rs->sr_err = ldbm_modify_internal( op, op->oq_modify.rs_modlist, e,
+ &rs->sr_text, textbuf, textlen );
- send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
- cache_return_entry_w( &li->li_cache, e );
- return( 0 );
-
-error_return:;
- cache_return_entry_w( &li->li_cache, e );
- return( -1 );
-}
-
-int
-add_values(
- Entry *e,
- LDAPMod *mod,
- char *dn
-)
-{
- int i;
- Attribute *a;
-
- /* check if the values we're adding already exist */
- if ( (a = attr_find( e->e_attrs, mod->mod_type )) != NULL ) {
- for ( i = 0; mod->mod_bvalues[i] != NULL; i++ ) {
- if ( value_find( a->a_vals, mod->mod_bvalues[i],
- a->a_syntax, 3 ) == 0 ) {
- return( LDAP_TYPE_OR_VALUE_EXISTS );
- }
+ if( rs->sr_err != LDAP_SUCCESS ) {
+ if( rs->sr_err != SLAPD_ABANDON ) {
+ send_ldap_result( op, rs );
}
- }
- /* no - add them */
- if( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
- return( LDAP_CONSTRAINT_VIOLATION );
- }
-
- return( LDAP_SUCCESS );
-}
-
-int
-delete_values(
- Entry *e,
- LDAPMod *mod,
- char *dn
-)
-{
- int i, j, k, found;
- Attribute *a;
-
- /* delete the entire attribute */
- if ( mod->mod_bvalues == NULL ) {
- Debug( LDAP_DEBUG_ARGS, "removing entire attribute %s\n",
- mod->mod_type, 0, 0 );
- return( attr_delete( &e->e_attrs, mod->mod_type ) ?
- LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS );
- }
-
- /* delete specific values - find the attribute first */
- if ( (a = attr_find( e->e_attrs, mod->mod_type )) == NULL ) {
- Debug( LDAP_DEBUG_ARGS, "could not find attribute %s\n",
- mod->mod_type, 0, 0 );
- return( LDAP_NO_SUCH_ATTRIBUTE );
+ goto error_return;
}
- /* find each value to delete */
- for ( i = 0; mod->mod_bvalues[i] != NULL; i++ ) {
- found = 0;
- for ( j = 0; a->a_vals[j] != NULL; j++ ) {
- if ( value_cmp( mod->mod_bvalues[i], a->a_vals[j],
- a->a_syntax, 3 ) != 0 ) {
- continue;
- }
- found = 1;
-
- /* found a matching value - delete it */
- ber_bvfree( a->a_vals[j] );
- for ( k = j + 1; a->a_vals[k] != NULL; k++ ) {
- a->a_vals[k - 1] = a->a_vals[k];
- }
- a->a_vals[k - 1] = NULL;
- break;
- }
-
- /* looked through them all w/o finding it */
- if ( ! found ) {
- Debug( LDAP_DEBUG_ARGS,
- "could not find value for attr %s\n",
- mod->mod_type, 0, 0 );
- return( LDAP_NO_SUCH_ATTRIBUTE );
- }
+ /* change the entry itself */
+ if ( id2entry_add( op->o_bd, e ) != 0 ) {
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "id2entry failure" );
+ rs->sr_err = LDAP_OTHER;
+ goto error_return;
}
- return( LDAP_SUCCESS );
-}
+ rs->sr_text = NULL;
+ send_ldap_error( op, rs, LDAP_SUCCESS,
+ NULL );
-int
-replace_values(
- Entry *e,
- LDAPMod *mod,
- char *dn
-)
-{
- (void) attr_delete( &e->e_attrs, mod->mod_type );
+ cache_return_entry_w( &li->li_cache, e );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
- if ( attr_merge( e, mod->mod_type, mod->mod_bvalues ) != 0 ) {
- return( LDAP_CONSTRAINT_VIOLATION );
- }
+ return LDAP_SUCCESS;
- return( LDAP_SUCCESS );
+error_return:;
+ cache_return_entry_w( &li->li_cache, e );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+ rs->sr_text = NULL;
+ return rs->sr_err;
}
projects / openldap / blobdiff