1/*	$NetBSD: ext.c,v 1.1.1.1 2011/04/13 18:14:35 elric Exp $	*/
2
3/*
4 * Copyright (c) 1997 - 2006 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 "kadmin_locl.h"
37#include "kadmin-commands.h"
38
39struct ext_keytab_data {
40    krb5_keytab keytab;
41};
42
43static int
44do_ext_keytab(krb5_principal principal, void *data)
45{
46    krb5_error_code ret;
47    kadm5_principal_ent_rec princ;
48    struct ext_keytab_data *e = data;
49    krb5_keytab_entry *keys = NULL;
50    krb5_keyblock *k = NULL;
51    int i, n_k;
52
53    ret = kadm5_get_principal(kadm_handle, principal, &princ,
54			      KADM5_PRINCIPAL|KADM5_KVNO|KADM5_KEY_DATA);
55    if(ret)
56	return ret;
57
58    if (princ.n_key_data) {
59	keys = malloc(sizeof(*keys) * princ.n_key_data);
60	if (keys == NULL) {
61	    kadm5_free_principal_ent(kadm_handle, &princ);
62	    krb5_clear_error_message(context);
63	    return ENOMEM;
64	}
65	for (i = 0; i < princ.n_key_data; i++) {
66	    krb5_key_data *kd = &princ.key_data[i];
67
68	    keys[i].principal = princ.principal;
69	    keys[i].vno = kd->key_data_kvno;
70	    keys[i].keyblock.keytype = kd->key_data_type[0];
71	    keys[i].keyblock.keyvalue.length = kd->key_data_length[0];
72	    keys[i].keyblock.keyvalue.data = kd->key_data_contents[0];
73	    keys[i].timestamp = time(NULL);
74	}
75
76	n_k = princ.n_key_data;
77    } else {
78	ret = kadm5_randkey_principal(kadm_handle, principal, &k, &n_k);
79	if (ret) {
80	    kadm5_free_principal_ent(kadm_handle, &princ);
81	    return ret;
82	}
83	keys = malloc(sizeof(*keys) * n_k);
84	if (keys == NULL) {
85	    kadm5_free_principal_ent(kadm_handle, &princ);
86	    krb5_clear_error_message(context);
87	    return ENOMEM;
88	}
89	for (i = 0; i < n_k; i++) {
90	    keys[i].principal = principal;
91	    keys[i].vno = princ.kvno + 1; /* XXX get entry again */
92	    keys[i].keyblock = k[i];
93	    keys[i].timestamp = time(NULL);
94	}
95    }
96
97    for(i = 0; i < n_k; i++) {
98	ret = krb5_kt_add_entry(context, e->keytab, &keys[i]);
99	if(ret)
100	    krb5_warn(context, ret, "krb5_kt_add_entry(%d)", i);
101    }
102
103    if (k) {
104	memset(k, 0, n_k * sizeof(*k));
105	free(k);
106    }
107    if (keys)
108	free(keys);
109    kadm5_free_principal_ent(kadm_handle, &princ);
110    return 0;
111}
112
113int
114ext_keytab(struct ext_keytab_options *opt, int argc, char **argv)
115{
116    krb5_error_code ret;
117    int i;
118    struct ext_keytab_data data;
119
120    if (opt->keytab_string == NULL)
121	ret = krb5_kt_default(context, &data.keytab);
122    else
123	ret = krb5_kt_resolve(context, opt->keytab_string, &data.keytab);
124
125    if(ret){
126	krb5_warn(context, ret, "krb5_kt_resolve");
127	return 1;
128    }
129
130    for(i = 0; i < argc; i++) {
131	ret = foreach_principal(argv[i], do_ext_keytab, "ext", &data);
132	if (ret)
133	    break;
134    }
135
136    krb5_kt_close(context, data.keytab);
137
138    return ret != 0;
139}
140