del_enctype.c revision 55682 
1/*
2 * Copyright (c) 1999 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "kadmin_locl.h"
35
36RCSID("$Id: del_enctype.c,v 1.4 1999/12/14 02:37:49 assar Exp $");
37
38static void
39usage(void)
40{
41    fprintf (stderr, "Usage: del_enctype principal enctypes...\n");
42}
43
44/*
45 * del_enctype principal enctypes...
46 */
47
48int
49del_enctype(int argc, char **argv)
50{
51    kadm5_principal_ent_rec princ;
52    krb5_principal princ_ent = NULL;
53    krb5_error_code ret;
54    const char *princ_name;
55    int i, j, k;
56    krb5_key_data *new_key_data;
57    int n_etypes;
58    krb5_enctype *etypes;
59
60    if (argc < 3) {
61	usage ();
62	return 0;
63    }
64
65    memset (&princ, 0, sizeof(princ));
66    princ_name = argv[1];
67    n_etypes   = argc - 2;
68    etypes     = malloc (n_etypes * sizeof(*etypes));
69    if (etypes == NULL) {
70	krb5_warnx (context, "out of memory");
71	return 0;
72    }
73    for (i = 0; i < n_etypes; ++i) {
74	ret = krb5_string_to_enctype (context, argv[i + 2], &etypes[i]);
75	if (ret) {
76	    krb5_warnx (context, "bad enctype `%s'", argv[i + 2]);
77	    goto out2;
78	}
79    }
80
81    ret = krb5_parse_name(context, princ_name, &princ_ent);
82    if (ret) {
83	krb5_warn (context, ret, "krb5_parse_name %s", princ_name);
84	goto out2;
85    }
86
87    ret = kadm5_get_principal(kadm_handle, princ_ent, &princ,
88			      KADM5_PRINCIPAL | KADM5_KEY_DATA);
89    if (ret) {
90	krb5_free_principal (context, princ_ent);
91	krb5_warnx (context, "no such principal: %s", princ_name);
92	goto out2;
93    }
94
95    new_key_data   = malloc(princ.n_key_data * sizeof(*new_key_data));
96    if (new_key_data == NULL) {
97	krb5_warnx (context, "out of memory");
98	goto out;
99    }
100
101    for (i = 0, j = 0; i < princ.n_key_data; ++i) {
102	krb5_key_data *key = &princ.key_data[i];
103	int docopy = 1;
104
105	for (k = 0; k < n_etypes; ++k)
106	    if (etypes[k] == key->key_data_type[0]) {
107		docopy = 0;
108		break;
109	    }
110	if (docopy) {
111	    new_key_data[j++] = *key;
112	} else {
113	    int16_t ignore;
114
115	    kadm5_free_key_data (kadm_handle, &ignore, key);
116	}
117    }
118
119    free (princ.key_data);
120    princ.n_key_data = j;
121    princ.key_data   = new_key_data;
122
123    ret = kadm5_modify_principal (kadm_handle, &princ, KADM5_KEY_DATA);
124    if (ret)
125	krb5_warn(context, ret, "kadm5_modify_principal");
126out:
127    krb5_free_principal (context, princ_ent);
128    kadm5_free_principal_ent(kadm_handle, &princ);
129out2:
130    free (etypes);
131    return 0;
132}
133