xref: /freebsd/crypto/heimdal/kuser/kdestroy.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * Copyright (c) 1997 - 2000, 2003 Kungliga Tekniska H�gskolan
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: kdestroy.c,v 1.14.2.1 2003/05/08 18:59:17 lha Exp $");
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 }
131