xref: /minix3/crypto/external/bsd/heimdal/dist/admin/rename.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc /*	$NetBSD: rename.c,v 1.1.1.2 2014/04/24 12:45:26 pettai Exp $	*/
2ebfedea0SLionel Sambuc 
3ebfedea0SLionel Sambuc /*
4ebfedea0SLionel Sambuc  * Copyright (c) 2001-2004 Kungliga Tekniska Högskolan
5ebfedea0SLionel Sambuc  * (Royal Institute of Technology, Stockholm, Sweden).
6ebfedea0SLionel Sambuc  * All rights reserved.
7ebfedea0SLionel Sambuc  *
8ebfedea0SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
9ebfedea0SLionel Sambuc  * modification, are permitted provided that the following conditions
10ebfedea0SLionel Sambuc  * are met:
11ebfedea0SLionel Sambuc  *
12ebfedea0SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
13ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
14ebfedea0SLionel Sambuc  *
15ebfedea0SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
16ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
17ebfedea0SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
18ebfedea0SLionel Sambuc  *
19ebfedea0SLionel Sambuc  * 3. Neither the name of the Institute nor the names of its contributors
20ebfedea0SLionel Sambuc  *    may be used to endorse or promote products derived from this software
21ebfedea0SLionel Sambuc  *    without specific prior written permission.
22ebfedea0SLionel Sambuc  *
23ebfedea0SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24ebfedea0SLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25ebfedea0SLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26ebfedea0SLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27ebfedea0SLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28ebfedea0SLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29ebfedea0SLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30ebfedea0SLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31ebfedea0SLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32ebfedea0SLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33ebfedea0SLionel Sambuc  * SUCH DAMAGE.
34ebfedea0SLionel Sambuc  */
35ebfedea0SLionel Sambuc 
36ebfedea0SLionel Sambuc #include "ktutil_locl.h"
37ebfedea0SLionel Sambuc 
38*0a6a1f1dSLionel Sambuc __RCSID("NetBSD");
39ebfedea0SLionel Sambuc 
40ebfedea0SLionel Sambuc int
kt_rename(struct rename_options * opt,int argc,char ** argv)41ebfedea0SLionel Sambuc kt_rename(struct rename_options *opt, int argc, char **argv)
42ebfedea0SLionel Sambuc {
43ebfedea0SLionel Sambuc     krb5_error_code ret = 0;
44ebfedea0SLionel Sambuc     krb5_keytab_entry entry;
45ebfedea0SLionel Sambuc     krb5_keytab keytab;
46ebfedea0SLionel Sambuc     krb5_kt_cursor cursor;
47ebfedea0SLionel Sambuc     krb5_principal from_princ, to_princ;
48ebfedea0SLionel Sambuc 
49ebfedea0SLionel Sambuc     ret = krb5_parse_name(context, argv[0], &from_princ);
50ebfedea0SLionel Sambuc     if(ret != 0) {
51ebfedea0SLionel Sambuc 	krb5_warn(context, ret, "%s", argv[0]);
52ebfedea0SLionel Sambuc 	return 1;
53ebfedea0SLionel Sambuc     }
54ebfedea0SLionel Sambuc 
55ebfedea0SLionel Sambuc     ret = krb5_parse_name(context, argv[1], &to_princ);
56ebfedea0SLionel Sambuc     if(ret != 0) {
57ebfedea0SLionel Sambuc 	krb5_free_principal(context, from_princ);
58ebfedea0SLionel Sambuc 	krb5_warn(context, ret, "%s", argv[1]);
59ebfedea0SLionel Sambuc 	return 1;
60ebfedea0SLionel Sambuc     }
61ebfedea0SLionel Sambuc 
62ebfedea0SLionel Sambuc     if((keytab = ktutil_open_keytab()) == NULL) {
63ebfedea0SLionel Sambuc 	krb5_free_principal(context, from_princ);
64ebfedea0SLionel Sambuc 	krb5_free_principal(context, to_princ);
65ebfedea0SLionel Sambuc 	return 1;
66ebfedea0SLionel Sambuc     }
67ebfedea0SLionel Sambuc 
68ebfedea0SLionel Sambuc     ret = krb5_kt_start_seq_get(context, keytab, &cursor);
69ebfedea0SLionel Sambuc     if(ret) {
70ebfedea0SLionel Sambuc 	krb5_kt_close(context, keytab);
71ebfedea0SLionel Sambuc 	krb5_free_principal(context, from_princ);
72ebfedea0SLionel Sambuc 	krb5_free_principal(context, to_princ);
73ebfedea0SLionel Sambuc 	return 1;
74ebfedea0SLionel Sambuc     }
75ebfedea0SLionel Sambuc     while(1) {
76ebfedea0SLionel Sambuc 	ret = krb5_kt_next_entry(context, keytab, &entry, &cursor);
77ebfedea0SLionel Sambuc 	if(ret != 0) {
78ebfedea0SLionel Sambuc 	    if(ret != KRB5_CC_END && ret != KRB5_KT_END)
79ebfedea0SLionel Sambuc 		krb5_warn(context, ret, "getting entry from keytab");
80ebfedea0SLionel Sambuc 	    else
81ebfedea0SLionel Sambuc 		ret = 0;
82ebfedea0SLionel Sambuc 	    break;
83ebfedea0SLionel Sambuc 	}
84ebfedea0SLionel Sambuc 	if(krb5_principal_compare(context, entry.principal, from_princ)) {
85ebfedea0SLionel Sambuc 	    krb5_free_principal(context, entry.principal);
86ebfedea0SLionel Sambuc 	    entry.principal = to_princ;
87ebfedea0SLionel Sambuc 	    ret = krb5_kt_add_entry(context, keytab, &entry);
88ebfedea0SLionel Sambuc 	    if(ret) {
89ebfedea0SLionel Sambuc 		entry.principal = NULL;
90ebfedea0SLionel Sambuc 		krb5_kt_free_entry(context, &entry);
91ebfedea0SLionel Sambuc 		krb5_warn(context, ret, "adding entry");
92ebfedea0SLionel Sambuc 		break;
93ebfedea0SLionel Sambuc 	    }
94ebfedea0SLionel Sambuc 	    if (opt->delete_flag) {
95ebfedea0SLionel Sambuc 		entry.principal = from_princ;
96ebfedea0SLionel Sambuc 		ret = krb5_kt_remove_entry(context, keytab, &entry);
97ebfedea0SLionel Sambuc 		if(ret) {
98ebfedea0SLionel Sambuc 		    entry.principal = NULL;
99ebfedea0SLionel Sambuc 		    krb5_kt_free_entry(context, &entry);
100ebfedea0SLionel Sambuc 		    krb5_warn(context, ret, "removing entry");
101ebfedea0SLionel Sambuc 		    break;
102ebfedea0SLionel Sambuc 		}
103ebfedea0SLionel Sambuc 	    }
104ebfedea0SLionel Sambuc 	    entry.principal = NULL;
105ebfedea0SLionel Sambuc 	}
106ebfedea0SLionel Sambuc 	krb5_kt_free_entry(context, &entry);
107ebfedea0SLionel Sambuc     }
108ebfedea0SLionel Sambuc     krb5_kt_end_seq_get(context, keytab, &cursor);
109ebfedea0SLionel Sambuc 
110ebfedea0SLionel Sambuc     krb5_free_principal(context, from_princ);
111ebfedea0SLionel Sambuc     krb5_free_principal(context, to_princ);
112ebfedea0SLionel Sambuc 
113ebfedea0SLionel Sambuc     return ret != 0;
114ebfedea0SLionel Sambuc }
115ebfedea0SLionel Sambuc 
116