1 /* $NetBSD: modify.c,v 1.1.1.6 2018/02/06 01:53:17 christos Exp $ */ 2 3 /* modify.c - ldap backend modify function */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1999-2017 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 <sys/cdefs.h> 27 __RCSID("$NetBSD: modify.c,v 1.1.1.6 2018/02/06 01:53:17 christos Exp $"); 28 29 #include "portable.h" 30 31 #include <stdio.h> 32 33 #include <ac/string.h> 34 #include <ac/socket.h> 35 36 #include "slap.h" 37 #include "back-ldap.h" 38 39 int 40 ldap_back_modify( 41 Operation *op, 42 SlapReply *rs ) 43 { 44 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private; 45 46 ldapconn_t *lc = NULL; 47 LDAPMod **modv = NULL, 48 *mods = NULL; 49 Modifications *ml; 50 int i, j, rc; 51 ber_int_t msgid; 52 int isupdate; 53 ldap_back_send_t retrying = LDAP_BACK_RETRYING; 54 LDAPControl **ctrls = NULL; 55 56 if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 57 return rs->sr_err; 58 } 59 60 for ( i = 0, ml = op->orm_modlist; ml; i++, ml = ml->sml_next ) 61 /* just count mods */ ; 62 63 modv = (LDAPMod **)ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) 64 + i*sizeof( LDAPMod ) ); 65 if ( modv == NULL ) { 66 rc = LDAP_NO_MEMORY; 67 goto cleanup; 68 } 69 mods = (LDAPMod *)&modv[ i + 1 ]; 70 71 isupdate = be_shadow_update( op ); 72 for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) { 73 if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod ) 74 { 75 continue; 76 } 77 78 modv[ i ] = &mods[ i ]; 79 mods[ i ].mod_op = ( ml->sml_op | LDAP_MOD_BVALUES ); 80 mods[ i ].mod_type = ml->sml_desc->ad_cname.bv_val; 81 82 if ( ml->sml_values != NULL ) { 83 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) 84 /* just count mods */ ; 85 mods[ i ].mod_bvalues = 86 (struct berval **)ch_malloc( ( j + 1 )*sizeof( struct berval * ) ); 87 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) 88 { 89 mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ]; 90 } 91 mods[ i ].mod_bvalues[ j ] = NULL; 92 93 } else { 94 mods[ i ].mod_bvalues = NULL; 95 } 96 97 i++; 98 } 99 modv[ i ] = 0; 100 101 retry:; 102 ctrls = op->o_ctrls; 103 rc = ldap_back_controls_add( op, rs, lc, &ctrls ); 104 if ( rc != LDAP_SUCCESS ) { 105 send_ldap_result( op, rs ); 106 goto cleanup; 107 } 108 109 rs->sr_err = ldap_modify_ext( lc->lc_ld, op->o_req_dn.bv_val, modv, 110 ctrls, NULL, &msgid ); 111 rc = ldap_back_op_result( lc, op, rs, msgid, 112 li->li_timeout[ SLAP_OP_MODIFY ], 113 ( LDAP_BACK_SENDRESULT | retrying ) ); 114 if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { 115 retrying &= ~LDAP_BACK_RETRYING; 116 if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 117 /* if the identity changed, there might be need to re-authz */ 118 (void)ldap_back_controls_free( op, rs, &ctrls ); 119 goto retry; 120 } 121 } 122 123 ldap_pvt_thread_mutex_lock( &li->li_counter_mutex ); 124 ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_MODIFY ], 1 ); 125 ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); 126 127 cleanup:; 128 (void)ldap_back_controls_free( op, rs, &ctrls ); 129 130 for ( i = 0; modv[ i ]; i++ ) { 131 ch_free( modv[ i ]->mod_bvalues ); 132 } 133 ch_free( modv ); 134 135 if ( lc != NULL ) { 136 ldap_back_release_conn( li, lc ); 137 } 138 139 return rs->sr_err; 140 } 141 142