1/* $NetBSD: modify.c,v 1.3 2021/08/14 16:15:01 christos Exp $ */ 2 3/* $OpenLDAP$ */ 4/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 1999-2021 The OpenLDAP Foundation. 7 * Portions Copyright 1999 Dmitry Kovalev. 8 * Portions Copyright 2002 Pierangelo Masarati. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted only as authorized by the OpenLDAP 13 * Public License. 14 * 15 * A copy of this license is available in the file LICENSE in the 16 * top-level directory of the distribution or, alternatively, at 17 * <http://www.OpenLDAP.org/license.html>. 18 */ 19/* ACKNOWLEDGEMENTS: 20 * This work was initially developed by Dmitry Kovalev for inclusion 21 * by OpenLDAP Software. Additional significant contributors include 22 * Pierangelo Masarati. 23 */ 24 25#include <sys/cdefs.h> 26__RCSID("$NetBSD: modify.c,v 1.3 2021/08/14 16:15:01 christos Exp $"); 27 28#include "portable.h" 29 30#include <stdio.h> 31#include <sys/types.h> 32#include "ac/string.h" 33 34#include "slap.h" 35#include "proto-sql.h" 36 37int 38backsql_modify( Operation *op, SlapReply *rs ) 39{ 40 backsql_info *bi = (backsql_info*)op->o_bd->be_private; 41 SQLHDBC dbh = SQL_NULL_HDBC; 42 backsql_oc_map_rec *oc = NULL; 43 backsql_srch_info bsi = { 0 }; 44 Entry m = { 0 }, *e = NULL; 45 int manageDSAit = get_manageDSAit( op ); 46 SQLUSMALLINT CompletionType = SQL_ROLLBACK; 47 48 /* 49 * FIXME: in case part of the operation cannot be performed 50 * (missing mapping, SQL write fails or so) the entire operation 51 * should be rolled-back 52 */ 53 Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n", 54 op->o_req_ndn.bv_val ); 55 56 rs->sr_err = backsql_get_db_conn( op, &dbh ); 57 if ( rs->sr_err != LDAP_SUCCESS ) { 58 Debug( LDAP_DEBUG_TRACE, " backsql_modify(): " 59 "could not get connection handle - exiting\n" ); 60 /* 61 * FIXME: we don't want to send back 62 * excessively detailed messages 63 */ 64 rs->sr_text = ( rs->sr_err == LDAP_OTHER ) 65 ? "SQL-backend error" : NULL; 66 goto done; 67 } 68 69 bsi.bsi_e = &m; 70 rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn, 71 LDAP_SCOPE_BASE, 72 (time_t)(-1), NULL, dbh, op, rs, 73 slap_anlist_all_attributes, 74 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) ); 75 switch ( rs->sr_err ) { 76 case LDAP_SUCCESS: 77 break; 78 79 case LDAP_REFERRAL: 80 if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) && 81 dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) ) 82 { 83 rs->sr_err = LDAP_SUCCESS; 84 rs->sr_text = NULL; 85 rs->sr_matched = NULL; 86 if ( rs->sr_ref ) { 87 ber_bvarray_free( rs->sr_ref ); 88 rs->sr_ref = NULL; 89 } 90 break; 91 } 92 e = &m; 93 /* fallthru */ 94 95 default: 96 Debug( LDAP_DEBUG_TRACE, "backsql_modify(): " 97 "could not retrieve modifyDN ID - no such entry\n" ); 98 if ( !BER_BVISNULL( &m.e_nname ) ) { 99 /* FIXME: should always be true! */ 100 e = &m; 101 102 } else { 103 e = NULL; 104 } 105 goto done; 106 } 107 108 Debug( LDAP_DEBUG_TRACE, " backsql_modify(): " 109 "modifying entry \"%s\" (id=" BACKSQL_IDFMT ")\n", 110 bsi.bsi_base_id.eid_dn.bv_val, 111 BACKSQL_IDARG(bsi.bsi_base_id.eid_id) ); 112 113 if ( get_assert( op ) && 114 ( test_filter( op, &m, get_assertion( op ) ) 115 != LDAP_COMPARE_TRUE )) 116 { 117 rs->sr_err = LDAP_ASSERTION_FAILED; 118 e = &m; 119 goto done; 120 } 121 122 slap_mods_opattrs( op, &op->orm_modlist, 1 ); 123 124 assert( bsi.bsi_base_id.eid_oc != NULL ); 125 oc = bsi.bsi_base_id.eid_oc; 126 127 if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) { 128 rs->sr_err = LDAP_INSUFFICIENT_ACCESS; 129 e = &m; 130 goto done; 131 } 132 133 rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, 134 &bsi.bsi_base_id, op->orm_modlist ); 135 if ( rs->sr_err != LDAP_SUCCESS ) { 136 e = &m; 137 goto do_transact; 138 } 139 140 if ( BACKSQL_CHECK_SCHEMA( bi ) ) { 141 char textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' }; 142 143 backsql_entry_clean( op, &m ); 144 145 bsi.bsi_e = &m; 146 rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id ); 147 if ( rs->sr_err != LDAP_SUCCESS ) { 148 e = &m; 149 goto do_transact; 150 } 151 152 rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0, NULL, 153 &rs->sr_text, textbuf, sizeof( textbuf ) ); 154 if ( rs->sr_err != LDAP_SUCCESS ) { 155 Debug( LDAP_DEBUG_TRACE, " backsql_modify(\"%s\"): " 156 "entry failed schema check -- aborting\n", 157 m.e_name.bv_val ); 158 e = NULL; 159 goto do_transact; 160 } 161 } 162 163do_transact:; 164 /* 165 * Commit only if all operations succeed 166 */ 167 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) { 168 assert( e == NULL ); 169 CompletionType = SQL_COMMIT; 170 } 171 172 SQLTransact( SQL_NULL_HENV, dbh, CompletionType ); 173 174done:; 175 if ( e != NULL ) { 176 if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL, 177 ACL_DISCLOSE, NULL ) ) 178 { 179 rs->sr_err = LDAP_NO_SUCH_OBJECT; 180 rs->sr_text = NULL; 181 rs->sr_matched = NULL; 182 if ( rs->sr_ref ) { 183 ber_bvarray_free( rs->sr_ref ); 184 rs->sr_ref = NULL; 185 } 186 } 187 } 188 189 if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) { 190 rs->sr_err = LDAP_X_NO_OPERATION; 191 } 192 193 send_ldap_result( op, rs ); 194 slap_graduate_commit_csn( op ); 195 196 if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) { 197 (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx ); 198 } 199 200 if ( !BER_BVISNULL( &m.e_nname ) ) { 201 backsql_entry_clean( op, &m ); 202 } 203 204 if ( bsi.bsi_attrs != NULL ) { 205 op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx ); 206 } 207 208 if ( rs->sr_ref ) { 209 ber_bvarray_free( rs->sr_ref ); 210 rs->sr_ref = NULL; 211 } 212 213 Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n" ); 214 215 return rs->sr_err; 216} 217 218