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-rw-r--r--servers/slapd/back-ldap/modify.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/servers/slapd/back-ldap/modify.c b/servers/slapd/back-ldap/modify.c
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+++ b/servers/slapd/back-ldap/modify.c
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+/* modify.c - ldap backend modify function */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * Portions Copyright 2000-2003 Pierangelo Masarati.
+ * 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>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+#include "back-ldap.h"
+
+int
+ldap_back_modify(
+ Operation *op,
+ SlapReply *rs )
+{
+ ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
+
+ ldapconn_t *lc = NULL;
+ LDAPMod **modv = NULL,
+ *mods = NULL;
+ Modifications *ml;
+ int i, j, rc;
+ ber_int_t msgid;
+ int isupdate;
+ ldap_back_send_t retrying = LDAP_BACK_RETRYING;
+ LDAPControl **ctrls = NULL;
+
+ if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
+ return rs->sr_err;
+ }
+
+ for ( i = 0, ml = op->orm_modlist; ml; i++, ml = ml->sml_next )
+ /* just count mods */ ;
+
+ modv = (LDAPMod **)ch_malloc( ( i + 1 )*sizeof( LDAPMod * )
+ + i*sizeof( LDAPMod ) );
+ if ( modv == NULL ) {
+ rc = LDAP_NO_MEMORY;
+ goto cleanup;
+ }
+ mods = (LDAPMod *)&modv[ i + 1 ];
+
+ isupdate = be_shadow_update( op );
+ for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) {
+ if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod )
+ {
+ continue;
+ }
+
+ modv[ i ] = &mods[ i ];
+ mods[ i ].mod_op = ( ml->sml_op | LDAP_MOD_BVALUES );
+ mods[ i ].mod_type = ml->sml_desc->ad_cname.bv_val;
+
+ if ( ml->sml_values != NULL ) {
+ for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
+ /* just count mods */ ;
+ mods[ i ].mod_bvalues =
+ (struct berval **)ch_malloc( ( j + 1 )*sizeof( struct berval * ) );
+ for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
+ {
+ mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ];
+ }
+ mods[ i ].mod_bvalues[ j ] = NULL;
+
+ } else {
+ mods[ i ].mod_bvalues = NULL;
+ }
+
+ i++;
+ }
+ modv[ i ] = 0;
+
+retry:;
+ ctrls = op->o_ctrls;
+ rc = ldap_back_controls_add( op, rs, lc, &ctrls );
+ if ( rc != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ goto cleanup;
+ }
+
+ rs->sr_err = ldap_modify_ext( lc->lc_ld, op->o_req_dn.bv_val, modv,
+ ctrls, NULL, &msgid );
+ rc = ldap_back_op_result( lc, op, rs, msgid,
+ li->li_timeout[ SLAP_OP_MODIFY ],
+ ( LDAP_BACK_SENDRESULT | retrying ) );
+ if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
+ retrying &= ~LDAP_BACK_RETRYING;
+ if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
+ /* if the identity changed, there might be need to re-authz */
+ (void)ldap_back_controls_free( op, rs, &ctrls );
+ goto retry;
+ }
+ }
+
+ ldap_pvt_thread_mutex_lock( &li->li_counter_mutex );
+ ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_MODIFY ], 1 );
+ ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex );
+
+cleanup:;
+ (void)ldap_back_controls_free( op, rs, &ctrls );
+
+ for ( i = 0; modv[ i ]; i++ ) {
+ ch_free( modv[ i ]->mod_bvalues );
+ }
+ ch_free( modv );
+
+ if ( lc != NULL ) {
+ ldap_back_release_conn( li, lc );
+ }
+
+ return rs->sr_err;
+}
+