/* * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "krb5_locl.h" KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_mk_error(krb5_context context, krb5_error_code error_code, const char *e_text, const krb5_data *e_data, const krb5_principal client, const krb5_principal server, time_t *client_time, int *client_usec, krb5_data *reply) { const char *e_text2 = NULL; KRB_ERROR msg; krb5_timestamp sec; int32_t usec; size_t len; krb5_error_code ret = 0; krb5_us_timeofday (context, &sec, &usec); memset(&msg, 0, sizeof(msg)); msg.pvno = 5; msg.msg_type = krb_error; msg.stime = sec; msg.susec = usec; msg.ctime = client_time; msg.cusec = client_usec; /* Make sure we only send `protocol' error codes */ if(error_code < KRB5KDC_ERR_NONE || error_code >= KRB5_ERR_RCSID) { if(e_text == NULL) e_text = e_text2 = krb5_get_error_message(context, error_code); error_code = KRB5KRB_ERR_GENERIC; } msg.error_code = error_code - KRB5KDC_ERR_NONE; if (e_text) msg.e_text = rk_UNCONST(&e_text); if (e_data) msg.e_data = rk_UNCONST(e_data); if(server){ msg.realm = server->realm; msg.sname = server->name; }else{ msg.realm = "<unspecified realm>"; } if(client){ msg.crealm = &client->realm; msg.cname = &client->name; } ASN1_MALLOC_ENCODE(KRB_ERROR, reply->data, reply->length, &msg, &len, ret); if (e_text2) krb5_free_error_message(context, e_text2); if (ret) return ret; if(reply->length != len) krb5_abortx(context, "internal error in ASN.1 encoder"); return 0; }