1 /* $NetBSD: rename.c,v 1.1.1.2 2014/04/24 12:45:26 pettai Exp $ */
2
3 /*
4 * Copyright (c) 2001-2004 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_rename(struct rename_options * opt,int argc,char ** argv)41 kt_rename(struct rename_options *opt, int argc, char **argv)
42 {
43 krb5_error_code ret = 0;
44 krb5_keytab_entry entry;
45 krb5_keytab keytab;
46 krb5_kt_cursor cursor;
47 krb5_principal from_princ, to_princ;
48
49 ret = krb5_parse_name(context, argv[0], &from_princ);
50 if(ret != 0) {
51 krb5_warn(context, ret, "%s", argv[0]);
52 return 1;
53 }
54
55 ret = krb5_parse_name(context, argv[1], &to_princ);
56 if(ret != 0) {
57 krb5_free_principal(context, from_princ);
58 krb5_warn(context, ret, "%s", argv[1]);
59 return 1;
60 }
61
62 if((keytab = ktutil_open_keytab()) == NULL) {
63 krb5_free_principal(context, from_princ);
64 krb5_free_principal(context, to_princ);
65 return 1;
66 }
67
68 ret = krb5_kt_start_seq_get(context, keytab, &cursor);
69 if(ret) {
70 krb5_kt_close(context, keytab);
71 krb5_free_principal(context, from_princ);
72 krb5_free_principal(context, to_princ);
73 return 1;
74 }
75 while(1) {
76 ret = krb5_kt_next_entry(context, keytab, &entry, &cursor);
77 if(ret != 0) {
78 if(ret != KRB5_CC_END && ret != KRB5_KT_END)
79 krb5_warn(context, ret, "getting entry from keytab");
80 else
81 ret = 0;
82 break;
83 }
84 if(krb5_principal_compare(context, entry.principal, from_princ)) {
85 krb5_free_principal(context, entry.principal);
86 entry.principal = to_princ;
87 ret = krb5_kt_add_entry(context, keytab, &entry);
88 if(ret) {
89 entry.principal = NULL;
90 krb5_kt_free_entry(context, &entry);
91 krb5_warn(context, ret, "adding entry");
92 break;
93 }
94 if (opt->delete_flag) {
95 entry.principal = from_princ;
96 ret = krb5_kt_remove_entry(context, keytab, &entry);
97 if(ret) {
98 entry.principal = NULL;
99 krb5_kt_free_entry(context, &entry);
100 krb5_warn(context, ret, "removing entry");
101 break;
102 }
103 }
104 entry.principal = NULL;
105 }
106 krb5_kt_free_entry(context, &entry);
107 }
108 krb5_kt_end_seq_get(context, keytab, &cursor);
109
110 krb5_free_principal(context, from_princ);
111 krb5_free_principal(context, to_princ);
112
113 return ret != 0;
114 }
115
116