1/* $NetBSD$ */ 2 3/* modify.c - ldap backend modify function */ 4/* OpenLDAP: pkg/ldap/servers/slapd/back-ldap/modify.c,v 1.69.2.7 2010/04/13 20:23:28 kurt Exp */ 5/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1999-2010 The OpenLDAP Foundation. 8 * Portions Copyright 1999-2003 Howard Chu. 9 * Portions Copyright 2000-2003 Pierangelo Masarati. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted only as authorized by the OpenLDAP 14 * Public License. 15 * 16 * A copy of this license is available in the file LICENSE in the 17 * top-level directory of the distribution or, alternatively, at 18 * <http://www.OpenLDAP.org/license.html>. 19 */ 20/* ACKNOWLEDGEMENTS: 21 * This work was initially developed by the Howard Chu for inclusion 22 * in OpenLDAP Software and subsequently enhanced by Pierangelo 23 * Masarati. 24 */ 25 26#include "portable.h" 27 28#include <stdio.h> 29 30#include <ac/string.h> 31#include <ac/socket.h> 32 33#include "slap.h" 34#include "back-ldap.h" 35 36int 37ldap_back_modify( 38 Operation *op, 39 SlapReply *rs ) 40{ 41 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private; 42 43 ldapconn_t *lc = NULL; 44 LDAPMod **modv = NULL, 45 *mods = NULL; 46 Modifications *ml; 47 int i, j, rc; 48 ber_int_t msgid; 49 int isupdate; 50 ldap_back_send_t retrying = LDAP_BACK_RETRYING; 51 LDAPControl **ctrls = NULL; 52 53 if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 54 return rs->sr_err; 55 } 56 57 for ( i = 0, ml = op->orm_modlist; ml; i++, ml = ml->sml_next ) 58 /* just count mods */ ; 59 60 modv = (LDAPMod **)ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) 61 + i*sizeof( LDAPMod ) ); 62 if ( modv == NULL ) { 63 rc = LDAP_NO_MEMORY; 64 goto cleanup; 65 } 66 mods = (LDAPMod *)&modv[ i + 1 ]; 67 68 isupdate = be_shadow_update( op ); 69 for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) { 70 if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod ) 71 { 72 continue; 73 } 74 75 modv[ i ] = &mods[ i ]; 76 mods[ i ].mod_op = ( ml->sml_op | LDAP_MOD_BVALUES ); 77 mods[ i ].mod_type = ml->sml_desc->ad_cname.bv_val; 78 79 if ( ml->sml_values != NULL ) { 80 if ( ml->sml_values == NULL ) { 81 continue; 82 } 83 84 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) 85 /* just count mods */ ; 86 mods[ i ].mod_bvalues = 87 (struct berval **)ch_malloc( ( j + 1 )*sizeof( struct berval * ) ); 88 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) 89 { 90 mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ]; 91 } 92 mods[ i ].mod_bvalues[ j ] = NULL; 93 94 } else { 95 mods[ i ].mod_bvalues = NULL; 96 } 97 98 i++; 99 } 100 modv[ i ] = 0; 101 102retry:; 103 ctrls = op->o_ctrls; 104 rc = ldap_back_controls_add( op, rs, lc, &ctrls ); 105 if ( rc != LDAP_SUCCESS ) { 106 send_ldap_result( op, rs ); 107 rc = -1; 108 goto cleanup; 109 } 110 111 rs->sr_err = ldap_modify_ext( lc->lc_ld, op->o_req_dn.bv_val, modv, 112 ctrls, NULL, &msgid ); 113 rc = ldap_back_op_result( lc, op, rs, msgid, 114 li->li_timeout[ SLAP_OP_MODIFY ], 115 ( LDAP_BACK_SENDRESULT | retrying ) ); 116 if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { 117 retrying &= ~LDAP_BACK_RETRYING; 118 if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 119 /* if the identity changed, there might be need to re-authz */ 120 (void)ldap_back_controls_free( op, rs, &ctrls ); 121 goto retry; 122 } 123 } 124 125cleanup:; 126 (void)ldap_back_controls_free( op, rs, &ctrls ); 127 128 for ( i = 0; modv[ i ]; i++ ) { 129 ch_free( modv[ i ]->mod_bvalues ); 130 } 131 ch_free( modv ); 132 133 if ( lc != NULL ) { 134 ldap_back_release_conn( li, lc ); 135 } 136 137 return rc; 138} 139 140