xref: /freebsd/crypto/heimdal/lib/kadm5/randkey_c.c (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
1 /*
2  * Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan
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 "kadm5_locl.h"
35 
36 RCSID("$Id$");
37 
38 kadm5_ret_t
39 kadm5_c_randkey_principal(void *server_handle,
40 			  krb5_principal princ,
41 			  krb5_keyblock **new_keys,
42 			  int *n_keys)
43 {
44     kadm5_client_context *context = server_handle;
45     kadm5_ret_t ret;
46     krb5_storage *sp;
47     unsigned char buf[1024];
48     int32_t tmp;
49     krb5_data reply;
50 
51     ret = _kadm5_connect(server_handle);
52     if(ret)
53 	return ret;
54 
55     sp = krb5_storage_from_mem(buf, sizeof(buf));
56     if (sp == NULL) {
57 	krb5_clear_error_message(context->context);
58 	return ENOMEM;
59     }
60     krb5_store_int32(sp, kadm_randkey);
61     krb5_store_principal(sp, princ);
62     ret = _kadm5_client_send(context, sp);
63     krb5_storage_free(sp);
64     if (ret)
65 	return ret;
66     ret = _kadm5_client_recv(context, &reply);
67     if(ret)
68 	return ret;
69     sp = krb5_storage_from_data(&reply);
70     if (sp == NULL) {
71 	krb5_clear_error_message(context->context);
72 	krb5_data_free (&reply);
73 	return ENOMEM;
74     }
75     krb5_clear_error_message(context->context);
76     krb5_ret_int32(sp, &tmp);
77     ret = tmp;
78     if(ret == 0){
79 	krb5_keyblock *k;
80 	int i;
81 
82 	krb5_ret_int32(sp, &tmp);
83 	k = malloc(tmp * sizeof(*k));
84 	if (k == NULL) {
85 	    ret = ENOMEM;
86 	    goto out;
87 	}
88 	for(i = 0; i < tmp; i++)
89 	    krb5_ret_keyblock(sp, &k[i]);
90 	*n_keys = tmp;
91 	*new_keys = k;
92     }
93 out:
94     krb5_storage_free(sp);
95     krb5_data_free (&reply);
96     return ret;
97 }
98