1 /* $NetBSD: remove.c,v 1.1.1.2 2014/04/24 12:45:26 pettai Exp $ */
2
3 /*
4 * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include "ktutil_locl.h"
37
38 __RCSID("NetBSD");
39
40 int
kt_remove(struct remove_options * opt,int argc,char ** argv)41 kt_remove(struct remove_options *opt, int argc, char **argv)
42 {
43 krb5_error_code ret = 0;
44 krb5_keytab_entry entry;
45 krb5_keytab keytab;
46 krb5_principal principal = NULL;
47 krb5_enctype enctype = 0;
48
49 if(opt->principal_string) {
50 ret = krb5_parse_name(context, opt->principal_string, &principal);
51 if(ret) {
52 krb5_warn(context, ret, "%s", opt->principal_string);
53 return 1;
54 }
55 }
56 if(opt->enctype_string) {
57 ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype);
58 if(ret) {
59 int t;
60 if(sscanf(opt->enctype_string, "%d", &t) == 1)
61 enctype = t;
62 else {
63 krb5_warn(context, ret, "%s", opt->enctype_string);
64 if(principal)
65 krb5_free_principal(context, principal);
66 return 1;
67 }
68 }
69 }
70 if (!principal && !enctype && !opt->kvno_integer) {
71 krb5_warnx(context,
72 "You must give at least one of "
73 "principal, enctype or kvno.");
74 ret = EINVAL;
75 goto out;
76 }
77
78 if((keytab = ktutil_open_keytab()) == NULL) {
79 ret = 1;
80 goto out;
81 }
82
83 entry.principal = principal;
84 entry.keyblock.keytype = enctype;
85 entry.vno = opt->kvno_integer;
86 ret = krb5_kt_remove_entry(context, keytab, &entry);
87 krb5_kt_close(context, keytab);
88 if(ret)
89 krb5_warn(context, ret, "remove");
90 out:
91 if(principal)
92 krb5_free_principal(context, principal);
93 return ret != 0;
94 }
95
96