kuser/kdestroy.c

   1 /*
   2  * Copyright (c) 1997 - 2000, 2003 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. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "kuser_locl.h"
  35 RCSID("$Id$");
  36
  37 static const char *cache;
  38 static int help_flag;
  39 static int version_flag;
  40 static int unlog_flag = 1;
  41 static int dest_tkt_flag = 1;
  42
  43 struct getargs args[] = {
  44     { "cache",          'c', arg_string, &cache, "cache to destroy", "cache" },
  45     { "unlog",          0,   arg_negative_flag, &unlog_flag,
  46       "do not destroy tokens", NULL },
  47     { "delete-v4",      0,   arg_negative_flag, &dest_tkt_flag,
  48       "do not destroy v4 tickets", NULL },
  49     { "version",        0,   arg_flag, &version_flag, NULL, NULL },
  50     { "help",           'h', arg_flag, &help_flag, NULL, NULL}
  51 };
  52
  53 int num_args = sizeof(args) / sizeof(args[0]);
  54
  55 static void
  56 usage (int status)
  57 {
  58     arg_printusage (args, num_args, NULL, "");
  59     exit (status);
  60 }
  61
  62 int
  63 main (int argc, char **argv)
  64 {
  65     krb5_error_code ret;
  66     krb5_context context;
  67     krb5_ccache  ccache;
  68     int optind = 0;
  69     int exit_val = 0;
  70
  71     setprogname (argv[0]);
  72
  73     if(getarg(args, num_args, argc, argv, &optind))
  74         usage(1);
  75
  76     if (help_flag)
  77         usage (0);
  78
  79     if(version_flag){
  80         print_version(NULL);
  81         exit(0);
  82     }
  83
  84     argc -= optind;
  85     argv += optind;
  86
  87     if (argc != 0)
  88         usage (1);
  89
  90     ret = krb5_init_context (&context);
  91     if (ret)
  92         errx (1, "krb5_init_context failed: %d", ret);
  93
  94     if(cache == NULL) {
  95         cache = krb5_cc_default_name(context);
  96         if (cache == NULL) {
  97             warnx ("krb5_cc_default_name: %s", krb5_get_err_text(context, ret));
  98             exit(1);
  99         }
 100     }
 101
 102     ret =  krb5_cc_resolve(context,
 103                            cache,
 104                            &ccache);
 105
 106     if (ret == 0) {
 107         ret = krb5_cc_destroy (context, ccache);
 108         if (ret) {
 109             warnx ("krb5_cc_destroy: %s", krb5_get_err_text(context, ret));
 110             exit_val = 1;
 111         }
 112     } else {
 113         warnx ("krb5_cc_resolve(%s): %s", cache,
 114                krb5_get_err_text(context, ret));
 115         exit_val = 1;
 116     }
 117
 118     krb5_free_context (context);
 119
 120 #if KRB4
 121     if(dest_tkt_flag && dest_tkt ())
 122         exit_val = 1;
 123 #endif
 124     if (unlog_flag && k_hasafs ()) {
 125         if (k_unlog ())
 126             exit_val = 1;
 127     }
 128
 129     return exit_val;
 130 }