1/*
2 * Copyright (c) 1997-2004 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 "ktutil_locl.h"
35
36RCSID("$Id: remove.c 17004 2006-04-07 13:06:37Z lha $");
37
38int
39kt_remove(struct remove_options *opt, int argc, char **argv)
40{
41    krb5_error_code ret = 0;
42    krb5_keytab_entry entry;
43    krb5_keytab keytab;
44    krb5_principal principal = NULL;
45    krb5_enctype enctype = 0;
46
47    if(opt->principal_string) {
48	ret = krb5_parse_name(context, opt->principal_string, &principal);
49	if(ret) {
50	    krb5_warn(context, ret, "%s", opt->principal_string);
51	    return 1;
52	}
53    }
54    if(opt->enctype_string) {
55	ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype);
56	if(ret) {
57	    int t;
58	    if(sscanf(opt->enctype_string, "%d", &t) == 1)
59		enctype = t;
60	    else {
61		krb5_warn(context, ret, "%s", opt->enctype_string);
62		if(principal)
63		    krb5_free_principal(context, principal);
64		return 1;
65	    }
66	}
67    }
68    if (!principal && !enctype && !opt->kvno_integer) {
69	krb5_warnx(context,
70		   "You must give at least one of "
71		   "principal, enctype or kvno.");
72	ret = EINVAL;
73	goto out;
74    }
75
76    if((keytab = ktutil_open_keytab()) == NULL) {
77	ret = 1;
78	goto out;
79    }
80
81    entry.principal = principal;
82    entry.keyblock.keytype = enctype;
83    entry.vno = opt->kvno_integer;
84    ret = krb5_kt_remove_entry(context, keytab, &entry);
85    krb5_kt_close(context, keytab);
86    if(ret)
87	krb5_warn(context, ret, "remove");
88 out:
89    if(principal)
90	krb5_free_principal(context, principal);
91    return ret != 0;
92}
93
94