kuser/krenew.c

   1 /*
   2  * Copyright (c) 1997 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include "kuser_locl.h"
  40
  41 RCSID("$Id$");
  42
  43 int
  44 main(int argc, char **argv)
  45 {
  46     krb5_context context;
  47     krb5_ccache cache;
  48     krb5_creds in, *out, out_creds;
  49     krb5_error_code ret;
  50
  51     krb5_kdc_flags flags;
  52
  53     krb5_init_context(&context);
  54     krb5_cc_default(context, &cache);
  55     memset(&in, 0, sizeof(in));
  56
  57     krb5_cc_get_principal(context, cache, &in.client);
  58     krb5_parse_name(context, argv[1], &in.server);
  59     flags.i = 0;
  60     flags.b.renew = 1;
  61     in.times.endtime = time(NULL) + 4711;
  62
  63     out = &out_creds;
  64     ret = krb5_get_kdc_cred(context,
  65                             cache,
  66                             flags,
  67                             NULL,
  68                             NULL,
  69                             &in,
  70                             &out);
  71     if(ret)
  72         errx(1, "%s", krb5_get_err_text(context, ret));
  73     krb5_cc_store_cred(context, cache, out);
  74     exit(0);
  75 }