1*1c9681d1Schristos /* $NetBSD: remove.c,v 1.2 2017/01/28 21:31:44 christos Exp $ */
2f59d82ffSelric
3f59d82ffSelric /*
4f59d82ffSelric * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
5f59d82ffSelric * (Royal Institute of Technology, Stockholm, Sweden).
6f59d82ffSelric * All rights reserved.
7f59d82ffSelric *
8f59d82ffSelric * Redistribution and use in source and binary forms, with or without
9f59d82ffSelric * modification, are permitted provided that the following conditions
10f59d82ffSelric * are met:
11f59d82ffSelric *
12f59d82ffSelric * 1. Redistributions of source code must retain the above copyright
13f59d82ffSelric * notice, this list of conditions and the following disclaimer.
14f59d82ffSelric *
15f59d82ffSelric * 2. Redistributions in binary form must reproduce the above copyright
16f59d82ffSelric * notice, this list of conditions and the following disclaimer in the
17f59d82ffSelric * documentation and/or other materials provided with the distribution.
18f59d82ffSelric *
19f59d82ffSelric * 3. Neither the name of the Institute nor the names of its contributors
20f59d82ffSelric * may be used to endorse or promote products derived from this software
21f59d82ffSelric * without specific prior written permission.
22f59d82ffSelric *
23f59d82ffSelric * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24f59d82ffSelric * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25f59d82ffSelric * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26f59d82ffSelric * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27f59d82ffSelric * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28f59d82ffSelric * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29f59d82ffSelric * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30f59d82ffSelric * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31f59d82ffSelric * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32f59d82ffSelric * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33f59d82ffSelric * SUCH DAMAGE.
34f59d82ffSelric */
35f59d82ffSelric
36f59d82ffSelric #include "ktutil_locl.h"
37f59d82ffSelric
38*1c9681d1Schristos __RCSID("$NetBSD: remove.c,v 1.2 2017/01/28 21:31:44 christos Exp $");
39f59d82ffSelric
40f59d82ffSelric int
kt_remove(struct remove_options * opt,int argc,char ** argv)41f59d82ffSelric kt_remove(struct remove_options *opt, int argc, char **argv)
42f59d82ffSelric {
43f59d82ffSelric krb5_error_code ret = 0;
44f59d82ffSelric krb5_keytab_entry entry;
45f59d82ffSelric krb5_keytab keytab;
46f59d82ffSelric krb5_principal principal = NULL;
47f59d82ffSelric krb5_enctype enctype = 0;
48f59d82ffSelric
49f59d82ffSelric if(opt->principal_string) {
50f59d82ffSelric ret = krb5_parse_name(context, opt->principal_string, &principal);
51f59d82ffSelric if(ret) {
52f59d82ffSelric krb5_warn(context, ret, "%s", opt->principal_string);
53f59d82ffSelric return 1;
54f59d82ffSelric }
55f59d82ffSelric }
56f59d82ffSelric if(opt->enctype_string) {
57f59d82ffSelric ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype);
58f59d82ffSelric if(ret) {
59f59d82ffSelric int t;
60f59d82ffSelric if(sscanf(opt->enctype_string, "%d", &t) == 1)
61f59d82ffSelric enctype = t;
62f59d82ffSelric else {
63f59d82ffSelric krb5_warn(context, ret, "%s", opt->enctype_string);
64f59d82ffSelric if(principal)
65f59d82ffSelric krb5_free_principal(context, principal);
66f59d82ffSelric return 1;
67f59d82ffSelric }
68f59d82ffSelric }
69f59d82ffSelric }
70f59d82ffSelric if (!principal && !enctype && !opt->kvno_integer) {
71f59d82ffSelric krb5_warnx(context,
72f59d82ffSelric "You must give at least one of "
73f59d82ffSelric "principal, enctype or kvno.");
74f59d82ffSelric ret = EINVAL;
75f59d82ffSelric goto out;
76f59d82ffSelric }
77f59d82ffSelric
78f59d82ffSelric if((keytab = ktutil_open_keytab()) == NULL) {
79f59d82ffSelric ret = 1;
80f59d82ffSelric goto out;
81f59d82ffSelric }
82f59d82ffSelric
83f59d82ffSelric entry.principal = principal;
84f59d82ffSelric entry.keyblock.keytype = enctype;
85f59d82ffSelric entry.vno = opt->kvno_integer;
86f59d82ffSelric ret = krb5_kt_remove_entry(context, keytab, &entry);
87f59d82ffSelric krb5_kt_close(context, keytab);
88f59d82ffSelric if(ret)
89f59d82ffSelric krb5_warn(context, ret, "remove");
90f59d82ffSelric out:
91f59d82ffSelric if(principal)
92f59d82ffSelric krb5_free_principal(context, principal);
93f59d82ffSelric return ret != 0;
94f59d82ffSelric }
95f59d82ffSelric
96