1 /* modify.c - ldap backend modify function */ 2 /* $OpenLDAP: pkg/ldap/servers/slapd/back-ldap/modify.c,v 1.69.2.5 2008/02/11 23:26:46 kurt Exp $ */ 3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 4 * 5 * Copyright 1999-2008 The OpenLDAP Foundation. 6 * Portions Copyright 1999-2003 Howard Chu. 7 * Portions Copyright 2000-2003 Pierangelo Masarati. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in the file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18 /* ACKNOWLEDGEMENTS: 19 * This work was initially developed by the Howard Chu for inclusion 20 * in OpenLDAP Software and subsequently enhanced by Pierangelo 21 * Masarati. 22 */ 23 24 #include "portable.h" 25 26 #include <stdio.h> 27 28 #include <ac/string.h> 29 #include <ac/socket.h> 30 31 #include "slap.h" 32 #include "back-ldap.h" 33 34 int 35 ldap_back_modify( 36 Operation *op, 37 SlapReply *rs ) 38 { 39 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private; 40 41 ldapconn_t *lc = NULL; 42 LDAPMod **modv = NULL, 43 *mods = NULL; 44 Modifications *ml; 45 int i, j, rc; 46 ber_int_t msgid; 47 int isupdate; 48 ldap_back_send_t retrying = LDAP_BACK_RETRYING; 49 LDAPControl **ctrls = NULL; 50 51 if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 52 return rs->sr_err; 53 } 54 55 for ( i = 0, ml = op->orm_modlist; ml; i++, ml = ml->sml_next ) 56 /* just count mods */ ; 57 58 modv = (LDAPMod **)ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) 59 + i*sizeof( LDAPMod ) ); 60 if ( modv == NULL ) { 61 rc = LDAP_NO_MEMORY; 62 goto cleanup; 63 } 64 mods = (LDAPMod *)&modv[ i + 1 ]; 65 66 isupdate = be_shadow_update( op ); 67 for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) { 68 if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod ) 69 { 70 continue; 71 } 72 73 modv[ i ] = &mods[ i ]; 74 mods[ i ].mod_op = ( ml->sml_op | LDAP_MOD_BVALUES ); 75 mods[ i ].mod_type = ml->sml_desc->ad_cname.bv_val; 76 77 if ( ml->sml_values != NULL ) { 78 if ( ml->sml_values == NULL ) { 79 continue; 80 } 81 82 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) 83 /* just count mods */ ; 84 mods[ i ].mod_bvalues = 85 (struct berval **)ch_malloc( ( j + 1 )*sizeof( struct berval * ) ); 86 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) 87 { 88 mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ]; 89 } 90 mods[ i ].mod_bvalues[ j ] = NULL; 91 92 } else { 93 mods[ i ].mod_bvalues = NULL; 94 } 95 96 i++; 97 } 98 modv[ i ] = 0; 99 100 retry:; 101 ctrls = op->o_ctrls; 102 rc = ldap_back_controls_add( op, rs, lc, &ctrls ); 103 if ( rc != LDAP_SUCCESS ) { 104 send_ldap_result( op, rs ); 105 rc = -1; 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 cleanup:; 124 (void)ldap_back_controls_free( op, rs, &ctrls ); 125 126 for ( i = 0; modv[ i ]; i++ ) { 127 ch_free( modv[ i ]->mod_bvalues ); 128 } 129 ch_free( modv ); 130 131 if ( lc != NULL ) { 132 ldap_back_release_conn( li, lc ); 133 } 134 135 return rc; 136 } 137 138