int
copy_KRB_CRED(const KRB_CRED *from, KRB_CRED *to)
{
*(&(to)->pvno) = *(&(from)->pvno);
if(copy_MESSAGE_TYPE(&(from)->msg_type, &(to)->msg_type)) return ENOMEM;
if(((&(to)->tickets)->val = malloc((&(from)->tickets)->len * sizeof(*(&(to)->tickets)->val))) == NULL && (&(from)->tickets)->len != 0)
return ENOMEM;
for((&(to)->tickets)->len = 0; (&(to)->tickets)->len < (&(from)->tickets)->len; (&(to)->tickets)->len++){
if(copy_Ticket(&(&(from)->tickets)->val[(&(to)->tickets)->len], &(&(to)->tickets)->val[(&(to)->tickets)->len])) return ENOMEM;
}
if(copy_EncryptedData(&(from)->enc_part, &(to)->enc_part)) return ENOMEM;
return 0;
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_build_ap_req (krb5_context context,
krb5_enctype enctype,
krb5_creds *cred,
krb5_flags ap_options,
krb5_data authenticator,
krb5_data *retdata)
{
krb5_error_code ret = 0;
AP_REQ ap;
Ticket t;
size_t len;
ap.pvno = 5;
ap.msg_type = krb_ap_req;
memset(&ap.ap_options, 0, sizeof(ap.ap_options));
ap.ap_options.use_session_key = (ap_options & AP_OPTS_USE_SESSION_KEY) > 0;
ap.ap_options.mutual_required = (ap_options & AP_OPTS_MUTUAL_REQUIRED) > 0;
ap.ticket.tkt_vno = 5;
copy_Realm(&cred->server->realm, &ap.ticket.realm);
copy_PrincipalName(&cred->server->name, &ap.ticket.sname);
decode_Ticket(cred->ticket.data, cred->ticket.length, &t, &len);
copy_EncryptedData(&t.enc_part, &ap.ticket.enc_part);
free_Ticket(&t);
ap.authenticator.etype = enctype;
ap.authenticator.kvno = NULL;
ap.authenticator.cipher = authenticator;
ASN1_MALLOC_ENCODE(AP_REQ, retdata->data, retdata->length,
&ap, &len, ret);
if(ret == 0 && retdata->length != len)
krb5_abortx(context, "internal error in ASN.1 encoder");
free_AP_REQ(&ap);
return ret;
}
