1 /* $OpenLDAP: pkg/ldap/servers/slapd/back-sql/modify.c,v 1.53.2.5 2008/02/11 23:26:48 kurt Exp $ */ 2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 3 * 4 * Copyright 1999-2008 The OpenLDAP Foundation. 5 * Portions Copyright 1999 Dmitry Kovalev. 6 * Portions Copyright 2002 Pierangelo Masarati. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted only as authorized by the OpenLDAP 11 * Public License. 12 * 13 * A copy of this license is available in the file LICENSE in the 14 * top-level directory of the distribution or, alternatively, at 15 * <http://www.OpenLDAP.org/license.html>. 16 */ 17 /* ACKNOWLEDGEMENTS: 18 * This work was initially developed by Dmitry Kovalev for inclusion 19 * by OpenLDAP Software. Additional significant contributors include 20 * Pierangelo Masarati. 21 */ 22 23 #include "portable.h" 24 25 #include <stdio.h> 26 #include <sys/types.h> 27 #include "ac/string.h" 28 29 #include "slap.h" 30 #include "proto-sql.h" 31 32 int 33 backsql_modify( Operation *op, SlapReply *rs ) 34 { 35 backsql_info *bi = (backsql_info*)op->o_bd->be_private; 36 SQLHDBC dbh = SQL_NULL_HDBC; 37 backsql_oc_map_rec *oc = NULL; 38 backsql_srch_info bsi = { 0 }; 39 Entry m = { 0 }, *e = NULL; 40 int manageDSAit = get_manageDSAit( op ); 41 SQLUSMALLINT CompletionType = SQL_ROLLBACK; 42 43 /* 44 * FIXME: in case part of the operation cannot be performed 45 * (missing mapping, SQL write fails or so) the entire operation 46 * should be rolled-back 47 */ 48 Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n", 49 op->o_req_ndn.bv_val, 0, 0 ); 50 51 rs->sr_err = backsql_get_db_conn( op, &dbh ); 52 if ( rs->sr_err != LDAP_SUCCESS ) { 53 Debug( LDAP_DEBUG_TRACE, " backsql_modify(): " 54 "could not get connection handle - exiting\n", 55 0, 0, 0 ); 56 /* 57 * FIXME: we don't want to send back 58 * excessively detailed messages 59 */ 60 rs->sr_text = ( rs->sr_err == LDAP_OTHER ) 61 ? "SQL-backend error" : NULL; 62 goto done; 63 } 64 65 bsi.bsi_e = &m; 66 rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn, 67 LDAP_SCOPE_BASE, 68 (time_t)(-1), NULL, dbh, op, rs, 69 slap_anlist_all_attributes, 70 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) ); 71 switch ( rs->sr_err ) { 72 case LDAP_SUCCESS: 73 break; 74 75 case LDAP_REFERRAL: 76 if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) && 77 dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) ) 78 { 79 rs->sr_err = LDAP_SUCCESS; 80 rs->sr_text = NULL; 81 rs->sr_matched = NULL; 82 if ( rs->sr_ref ) { 83 ber_bvarray_free( rs->sr_ref ); 84 rs->sr_ref = NULL; 85 } 86 break; 87 } 88 e = &m; 89 /* fallthru */ 90 91 default: 92 Debug( LDAP_DEBUG_TRACE, "backsql_modify(): " 93 "could not retrieve modifyDN ID - no such entry\n", 94 0, 0, 0 ); 95 if ( !BER_BVISNULL( &m.e_nname ) ) { 96 /* FIXME: should always be true! */ 97 e = &m; 98 99 } else { 100 e = NULL; 101 } 102 goto done; 103 } 104 105 #ifdef BACKSQL_ARBITRARY_KEY 106 Debug( LDAP_DEBUG_TRACE, " backsql_modify(): " 107 "modifying entry \"%s\" (id=%s)\n", 108 bsi.bsi_base_id.eid_dn.bv_val, 109 bsi.bsi_base_id.eid_id.bv_val, 0 ); 110 #else /* ! BACKSQL_ARBITRARY_KEY */ 111 Debug( LDAP_DEBUG_TRACE, " backsql_modify(): " 112 "modifying entry \"%s\" (id=%ld)\n", 113 bsi.bsi_base_id.eid_dn.bv_val, bsi.bsi_base_id.eid_id, 0 ); 114 #endif /* ! BACKSQL_ARBITRARY_KEY */ 115 116 if ( get_assert( op ) && 117 ( test_filter( op, &m, get_assertion( op ) ) 118 != LDAP_COMPARE_TRUE )) 119 { 120 rs->sr_err = LDAP_ASSERTION_FAILED; 121 e = &m; 122 goto done; 123 } 124 125 slap_mods_opattrs( op, &op->orm_modlist, 1 ); 126 127 assert( bsi.bsi_base_id.eid_oc != NULL ); 128 oc = bsi.bsi_base_id.eid_oc; 129 130 if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) { 131 rs->sr_err = LDAP_INSUFFICIENT_ACCESS; 132 e = &m; 133 goto done; 134 } 135 136 rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, 137 &bsi.bsi_base_id, op->orm_modlist ); 138 if ( rs->sr_err != LDAP_SUCCESS ) { 139 e = &m; 140 goto do_transact; 141 } 142 143 if ( BACKSQL_CHECK_SCHEMA( bi ) ) { 144 char textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' }; 145 146 backsql_entry_clean( op, &m ); 147 148 bsi.bsi_e = &m; 149 rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id ); 150 if ( rs->sr_err != LDAP_SUCCESS ) { 151 e = &m; 152 goto do_transact; 153 } 154 155 rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0, 156 &rs->sr_text, textbuf, sizeof( textbuf ) ); 157 if ( rs->sr_err != LDAP_SUCCESS ) { 158 Debug( LDAP_DEBUG_TRACE, " backsql_modify(\"%s\"): " 159 "entry failed schema check -- aborting\n", 160 m.e_name.bv_val, 0, 0 ); 161 e = NULL; 162 goto do_transact; 163 } 164 } 165 166 do_transact:; 167 /* 168 * Commit only if all operations succeed 169 */ 170 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) { 171 assert( e == NULL ); 172 CompletionType = SQL_COMMIT; 173 } 174 175 SQLTransact( SQL_NULL_HENV, dbh, CompletionType ); 176 177 done:; 178 if ( e != NULL ) { 179 if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL, 180 ACL_DISCLOSE, NULL ) ) 181 { 182 rs->sr_err = LDAP_NO_SUCH_OBJECT; 183 rs->sr_text = NULL; 184 rs->sr_matched = NULL; 185 if ( rs->sr_ref ) { 186 ber_bvarray_free( rs->sr_ref ); 187 rs->sr_ref = NULL; 188 } 189 } 190 } 191 192 if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) { 193 rs->sr_err = LDAP_X_NO_OPERATION; 194 } 195 196 send_ldap_result( op, rs ); 197 slap_graduate_commit_csn( op ); 198 199 if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) { 200 (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx ); 201 } 202 203 if ( !BER_BVISNULL( &m.e_nname ) ) { 204 backsql_entry_clean( op, &m ); 205 } 206 207 if ( bsi.bsi_attrs != NULL ) { 208 op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx ); 209 } 210 211 if ( rs->sr_ref ) { 212 ber_bvarray_free( rs->sr_ref ); 213 rs->sr_ref = NULL; 214 } 215 216 Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 ); 217 218 return rs->sr_err; 219 } 220 221