summaryrefslogtreecommitdiff
path: root/third_party/heimdal/kuser/kdestroy.c
blob: 1823bf56ca48ab780d29f4be950f41ee84b420a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/*
 * Copyright (c) 1997 - 2000, 2003 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 "kuser_locl.h"

static const char *cache;
static const char *credential;
static int help_flag;
static int version_flag;
#ifndef NO_AFS
static int unlog_flag = 1;
#endif
static int dest_tkt_flag = 1;
static int all_flag = 0;

struct getargs args[] = {
    { "credential",	0,   arg_string, rk_UNCONST(&credential),
      "remove one credential", "principal" },
    { "cache",		'c', arg_string, rk_UNCONST(&cache), "cache to destroy", "cache" },
    { "all",		'A', arg_flag, &all_flag, "destroy all caches", NULL },
#ifndef NO_AFS
    { "unlog",		0,   arg_negative_flag, &unlog_flag,
      "do not destroy tokens", NULL },
#endif
    { "delete-v4",	0,   arg_negative_flag, &dest_tkt_flag,
      "do not destroy v4 tickets", NULL },
    { "version", 	0,   arg_flag, &version_flag, NULL, NULL },
    { "help",		'h', arg_flag, &help_flag, NULL, NULL}
};

int num_args = sizeof(args) / sizeof(args[0]);

static void
usage (int status)
{
    arg_printusage (args, num_args, NULL, "");
    exit (status);
}

int
main (int argc, char **argv)
{
    krb5_error_code ret;
    krb5_context context;
    krb5_ccache  ccache;
    int optidx = 0;
    int exit_val = 0;

    setprogname (argv[0]);

    if(getarg(args, num_args, argc, argv, &optidx))
	usage(1);

    if (help_flag)
	usage (0);

    if(version_flag){
	print_version(NULL);
	exit(0);
    }

    argc -= optidx;
    argv += optidx;

    if (argc != 0)
	usage (1);

    ret = krb5_init_context (&context);
    if (ret)
	errx (1, "krb5_init_context failed: %d", ret);

    if (all_flag) {
	krb5_cccol_cursor cursor;

	ret = krb5_cccol_cursor_new (context, &cursor);
	if (ret)
	    krb5_err(context, 1, ret, "krb5_cccol_cursor_new");

	while (krb5_cccol_cursor_next (context, cursor, &ccache) == 0 && ccache != NULL) {

	    ret = krb5_cc_destroy (context, ccache);
	    if (ret) {
		krb5_warn(context, ret, "krb5_cc_destroy");
		exit_val = 1;
	    }
	}
	krb5_cccol_cursor_free(context, &cursor);

    } else {
	if(cache == NULL) {
	    ret = krb5_cc_default(context, &ccache);
	    if (ret)
		krb5_err(context, 1, ret, "krb5_cc_default");
	} else {
	    ret =  krb5_cc_resolve(context,
				   cache,
				   &ccache);
	    if (ret)
		krb5_err(context, 1, ret, "krb5_cc_resolve");
	}

	if (ret == 0) {
	    if (credential) {
		krb5_creds mcred;

		krb5_cc_clear_mcred(&mcred);

		ret = krb5_parse_name(context, credential, &mcred.server);
		if (ret)
		    krb5_err(context, 1, ret,
			     "Can't parse principal %s", credential);

		ret = krb5_cc_remove_cred(context, ccache, 0, &mcred);
		if (ret)
		    krb5_err(context, 1, ret,
			     "Failed to remove principal %s", credential);

		krb5_cc_close(context, ccache);
		krb5_free_principal(context, mcred.server);
		krb5_free_context(context);
		return 0;
	    }

	    ret = krb5_cc_destroy (context, ccache);
	    if (ret) {
		krb5_warn(context, ret, "krb5_cc_destroy");
		exit_val = 1;
	    }
	}
    }

    krb5_free_context (context);

#ifndef NO_AFS
    if (unlog_flag && k_hasafs ()) {
	if (k_unlog ())
	    exit_val = 1;
    }
#endif

    return exit_val;
}