text: /*
   * Copyright (c) 1997 - 2004 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_req_exact(krb5_context context,
  		  krb5_auth_context *auth_context,
  		  const krb5_flags ap_req_options,
  		  const krb5_principal server,
  		  krb5_data *in_data,
  		  krb5_ccache ccache,
  		  krb5_data *outbuf)
  {
      krb5_error_code ret;
      krb5_creds this_cred, *cred;
  
      memset(&this_cred, 0, sizeof(this_cred));
  
      ret = krb5_cc_get_principal(context, ccache, &this_cred.client);
  
      if(ret)
  	return ret;
  
      ret = krb5_copy_principal (context, server, &this_cred.server);
      if (ret) {
  	krb5_free_cred_contents (context, &this_cred);
  	return ret;
      }
  
      this_cred.times.endtime = 0;
      if (auth_context && *auth_context && (*auth_context)->keytype)
  	this_cred.session.keytype = (*auth_context)->keytype;
  
      ret = krb5_get_credentials (context, 0, ccache, &this_cred, &cred);
      krb5_free_cred_contents(context, &this_cred);
      if (ret)
  	return ret;
  
      ret = krb5_mk_req_extended (context,
  				auth_context,
  				ap_req_options,
  				in_data,
  				cred,
  				outbuf);
      krb5_free_creds(context, cred);
      return ret;
  }
  
  KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
  krb5_mk_req(krb5_context context,
  	    krb5_auth_context *auth_context,
  	    const krb5_flags ap_req_options,
  	    const char *service,
  	    const char *hostname,
  	    krb5_data *in_data,
  	    krb5_ccache ccache,
  	    krb5_data *outbuf)
  {
      krb5_error_code ret;
      char **realms;
      char *real_hostname;
      krb5_principal server;
  
      ret = krb5_expand_hostname_realms (context, hostname,
  				       &real_hostname, &realms);
      if (ret)
  	return ret;
  
      ret = krb5_build_principal (context, &server,
  				strlen(*realms),
  				*realms,
  				service,
  				real_hostname,
  				NULL);
      free (real_hostname);
      krb5_free_host_realm (context, realms);
      if (ret)
  	return ret;
      ret = krb5_mk_req_exact (context, auth_context, ap_req_options,
  			     server, in_data, ccache, outbuf);
      krb5_free_principal (context, server);
      return ret;
  }
  