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https://git.openldap.org/openldap/openldap.git
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575 lines
14 KiB
C
575 lines
14 KiB
C
/* modify.c - bdb backend modify routine */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include "back-bdb.h"
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#include "external.h"
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int bdb_modify_internal(
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BackendDB *be,
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Connection *conn,
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Operation *op,
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DB_TXN *tid,
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Modifications *modlist,
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Entry *e,
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const char **text,
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char *textbuf,
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size_t textlen )
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{
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int rc, err;
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Modification *mod;
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Modifications *ml;
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Attribute *save_attrs;
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Attribute *ap;
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
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e->e_id, e->e_dn, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
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e->e_id, e->e_dn, 0);
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#endif
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if ( !acl_check_modlist( be, conn, op, e, modlist )) {
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return LDAP_INSUFFICIENT_ACCESS;
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}
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save_attrs = e->e_attrs;
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e->e_attrs = attrs_dup( e->e_attrs );
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for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
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mod = &ml->sml_mod;
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switch ( mod->sm_op ) {
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case LDAP_MOD_ADD:
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
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#endif
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err = modify_add_values( e, mod, get_permissiveModify(op),
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text, textbuf, textlen );
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if( err != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: %d %s\n", err, *text, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
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err, *text, 0);
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#endif
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}
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break;
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case LDAP_MOD_DELETE:
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_modify_internal: delete\n", 0, 0, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
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#endif
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err = modify_delete_values( e, mod, get_permissiveModify(op),
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text, textbuf, textlen );
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assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
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if( err != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: %d %s\n", err, *text, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
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err, *text, 0);
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#endif
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}
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break;
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case LDAP_MOD_REPLACE:
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_modify_internal: replace\n", 0, 0, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
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#endif
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err = modify_replace_values( e, mod, get_permissiveModify(op),
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text, textbuf, textlen );
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if( err != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: %d %s\n", err, *text, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
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err, *text, 0);
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#endif
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}
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break;
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case SLAP_MOD_SOFTADD:
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_modify_internal: softadd\n",0,0,0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
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#endif
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/* Avoid problems in index_add_mods()
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* We need to add index if necessary.
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*/
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mod->sm_op = LDAP_MOD_ADD;
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err = modify_add_values( e, mod, get_permissiveModify(op),
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text, textbuf, textlen );
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if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
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err = LDAP_SUCCESS;
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}
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if( err != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: %d %s\n", err, *text, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
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err, *text, 0);
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#endif
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}
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break;
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default:
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
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#else
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Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
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mod->sm_op, 0, 0);
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#endif
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*text = "Invalid modify operation";
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err = LDAP_OTHER;
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: %d %s\n", err, *text, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
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err, *text, 0);
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#endif
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}
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if ( err != LDAP_SUCCESS ) {
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attrs_free( e->e_attrs );
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e->e_attrs = save_attrs;
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/* unlock entry, delete from cache */
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return err;
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}
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/* If objectClass was modified, reset the flags */
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if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
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e->e_ocflags = 0;
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}
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/* check if modified attribute was indexed
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* but not in case of NOOP... */
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err = bdb_index_is_indexed( be, mod->sm_desc );
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if ( err == LDAP_SUCCESS && !op->o_noop ) {
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ap = attr_find( save_attrs, mod->sm_desc );
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if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
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ap = attr_find( e->e_attrs, mod->sm_desc );
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if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
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}
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}
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/* check that the entry still obeys the schema */
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rc = entry_schema_check( be, e, save_attrs, text, textbuf, textlen );
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if ( rc != LDAP_SUCCESS || op->o_noop ) {
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attrs_free( e->e_attrs );
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e->e_attrs = save_attrs;
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if ( rc != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
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"entry failed schema check %s\n",
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*text, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"entry failed schema check: %s\n",
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*text, 0, 0 );
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#endif
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}
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/* if NOOP then silently revert to saved attrs */
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return rc;
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}
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/* update the indices of the modified attributes */
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/* start with deleting the old index entries */
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for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
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if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
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rc = bdb_index_values( be, tid, ap->a_desc, ap->a_vals,
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e->e_id, SLAP_INDEX_DELETE_OP );
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if ( rc != LDAP_SUCCESS ) {
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attrs_free( e->e_attrs );
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e->e_attrs = save_attrs;
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: attribute index delete failure\n",
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0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"Attribute index delete failure",
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0, 0, 0 );
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#endif
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return rc;
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}
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ap->a_flags &= ~SLAP_ATTR_IXDEL;
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}
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}
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/* add the new index entries */
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for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
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if (ap->a_flags & SLAP_ATTR_IXADD) {
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rc = bdb_index_values( be, tid, ap->a_desc, ap->a_vals,
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e->e_id, SLAP_INDEX_ADD_OP );
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if ( rc != LDAP_SUCCESS ) {
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attrs_free( e->e_attrs );
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e->e_attrs = save_attrs;
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify_internal: attribute index add failure\n",
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0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ANY,
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"Attribute index add failure",
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0, 0, 0 );
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#endif
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return rc;
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}
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ap->a_flags &= ~SLAP_ATTR_IXADD;
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}
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}
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return rc;
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}
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int
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bdb_modify(
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BackendDB *be,
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Connection *conn,
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Operation *op,
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struct berval *dn,
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struct berval *ndn,
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Modifications *modlist )
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{
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struct bdb_info *bdb = (struct bdb_info *) be->be_private;
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int rc;
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Entry *matched = NULL;
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Entry *e = NULL;
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int manageDSAit = get_manageDSAit( op );
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const char *text = NULL;
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char textbuf[SLAP_TEXT_BUFLEN];
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size_t textlen = sizeof textbuf;
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DB_TXN *ltid = NULL;
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struct bdb_op_info opinfo;
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u_int32_t locker = 0;
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DB_LOCK lock;
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int noop = 0;
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#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
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Operation* ps_list;
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struct psid_entry* pm_list;
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struct psid_entry* pm_prev;
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#endif
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", dn->bv_val, 0, 0 );
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#else
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Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", dn->bv_val, 0, 0 );
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#endif
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if( 0 ) {
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retry: /* transaction retry */
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if( e != NULL ) {
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bdb_cache_delete_entry(&bdb->bi_cache, e);
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bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
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}
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
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#else
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Debug(LDAP_DEBUG_TRACE,
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"bdb_modify: retrying...\n", 0, 0, 0);
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#endif
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#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
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pm_list = LDAP_LIST_FIRST(&op->premodify_list);
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while ( pm_list != NULL ) {
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LDAP_LIST_REMOVE ( pm_list, link );
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pm_prev = pm_list;
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pm_list = LDAP_LIST_NEXT ( pm_list, link );
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free (pm_prev);
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}
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#endif
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rc = TXN_ABORT( ltid );
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ltid = NULL;
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op->o_private = NULL;
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op->o_do_not_cache = opinfo.boi_acl_cache;
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if( rc != 0 ) {
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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ldap_pvt_thread_yield();
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}
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/* begin transaction */
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rc = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
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bdb->bi_db_opflags );
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text = NULL;
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if( rc != 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rc), rc, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modify: txn_begin failed: %s (%d)\n",
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db_strerror(rc), rc, 0 );
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#endif
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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locker = TXN_ID ( ltid );
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opinfo.boi_bdb = be;
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opinfo.boi_txn = ltid;
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opinfo.boi_locker = locker;
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opinfo.boi_err = 0;
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opinfo.boi_acl_cache = op->o_do_not_cache;
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op->o_private = &opinfo;
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/* get entry */
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rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, 0, locker, &lock );
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if ( rc != 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_modify: dn2entry failed: (%d)\n", rc, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modify: dn2entry failed (%d)\n",
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rc, 0, 0 );
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#endif
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switch( rc ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto retry;
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case DB_NOTFOUND:
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break;
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case LDAP_BUSY:
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text = "ldap server busy";
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goto return_results;
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default:
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rc = LDAP_OTHER;
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}
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text = "internal error";
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goto return_results;
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}
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/* acquire and lock entry */
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if ( e == NULL ) {
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char* matched_dn = NULL;
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BerVarray refs;
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if ( matched != NULL ) {
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matched_dn = ch_strdup( matched->e_dn );
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refs = is_entry_referral( matched )
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? get_entry_referrals( be, conn, op, matched )
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: NULL;
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bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, matched);
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matched = NULL;
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} else {
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refs = referral_rewrite( default_referral,
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NULL, dn, LDAP_SCOPE_DEFAULT );
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}
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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matched_dn, NULL, refs, NULL );
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ber_bvarray_free( refs );
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free( matched_dn );
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goto done;
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}
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if ( !manageDSAit && is_entry_referral( e ) ) {
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/* entry is a referral, don't allow modify */
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BerVarray refs = get_entry_referrals( be,
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conn, op, e );
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modify: entry is referral\n",
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0, 0, 0 );
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#endif
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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e->e_dn, NULL, refs, NULL );
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ber_bvarray_free( refs );
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goto done;
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}
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#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
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if ( rc == LDAP_SUCCESS && !op->o_noop ) {
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LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
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bdb_psearch(be, conn, op, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
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}
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}
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#endif
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/* Modify the entry */
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rc = bdb_modify_internal( be, conn, op, ltid, modlist, e,
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&text, textbuf, textlen );
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if( rc != LDAP_SUCCESS ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify: modify failed (%d)\n", rc, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modify: modify failed (%d)\n",
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rc, 0, 0 );
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#endif
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if ( (rc == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
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rc = opinfo.boi_err;
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}
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switch( rc ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto retry;
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}
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goto return_results;
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}
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/* change the entry itself */
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rc = bdb_id2entry_update( be, ltid, e );
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if ( rc != 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify: id2entry update failed (%d)\n", rc, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modify: id2entry update failed (%d)\n",
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rc, 0, 0 );
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#endif
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switch( rc ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto retry;
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}
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text = "entry update failed";
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goto return_results;
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}
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if( op->o_noop ) {
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if ( ( rc = TXN_ABORT( ltid ) ) != 0 ) {
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text = "txn_abort (no-op) failed";
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} else {
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noop = 1;
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rc = LDAP_SUCCESS;
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}
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} else {
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rc = TXN_COMMIT( ltid, 0 );
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}
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ltid = NULL;
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op->o_private = NULL;
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if( rc != 0 ) {
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"bdb_modify: txn_%s failed %s (%d)\n",
|
|
op->o_noop ? "abort (no_op)" : "commit", db_strerror(rc), rc );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_modify: txn_%s failed: %s (%d)\n",
|
|
op->o_noop ? "abort (no-op)" : "commit",
|
|
db_strerror(rc), rc );
|
|
#endif
|
|
rc = LDAP_OTHER;
|
|
text = "commit failed";
|
|
|
|
} else {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG ( OPERATION, DETAIL1,
|
|
"bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
|
|
op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
|
|
op->o_noop ? " (no-op)" : "",
|
|
e->e_id, e->e_dn );
|
|
#endif
|
|
rc = LDAP_SUCCESS;
|
|
text = NULL;
|
|
}
|
|
|
|
return_results:
|
|
send_ldap_result( conn, op, rc,
|
|
NULL, text, NULL, NULL );
|
|
|
|
#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
|
|
if ( rc == LDAP_SUCCESS && !op->o_noop ) {
|
|
/* Loop through in-scope entries for each psearch spec */
|
|
LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
|
|
bdb_psearch( be, conn, op, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
|
|
}
|
|
pm_list = LDAP_LIST_FIRST(&op->premodify_list);
|
|
while ( pm_list != NULL ) {
|
|
bdb_psearch(be, conn, op, pm_list->ps->op,
|
|
e, LDAP_PSEARCH_BY_SCOPEOUT);
|
|
LDAP_LIST_REMOVE ( pm_list, link );
|
|
pm_prev = pm_list;
|
|
pm_list = LDAP_LIST_NEXT ( pm_list, link );
|
|
free (pm_prev);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
|
|
ldap_pvt_thread_yield();
|
|
TXN_CHECKPOINT( bdb->bi_dbenv,
|
|
bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
|
|
}
|
|
|
|
done:
|
|
if( ltid != NULL ) {
|
|
#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
|
|
pm_list = LDAP_LIST_FIRST(&op->premodify_list);
|
|
while ( pm_list != NULL ) {
|
|
LDAP_LIST_REMOVE ( pm_list, link );
|
|
pm_prev = pm_list;
|
|
pm_list = LDAP_LIST_NEXT ( pm_list, link );
|
|
free (pm_prev);
|
|
}
|
|
#endif
|
|
TXN_ABORT( ltid );
|
|
op->o_private = NULL;
|
|
}
|
|
|
|
if( e != NULL ) {
|
|
bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
|
|
}
|
|
return ( ( rc == LDAP_SUCCESS ) ? noop : rc );
|
|
}
|