xref: /minix3/crypto/external/bsd/heimdal/dist/lib/kadm5/send_recv.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 /*	$NetBSD: send_recv.c,v 1.1.1.2 2014/04/24 12:45:49 pettai Exp $	*/
2 
3 /*
4  * Copyright (c) 1997-2003, 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 "kadm5_locl.h"
37 
38 __RCSID("NetBSD");
39 
40 kadm5_ret_t
_kadm5_client_send(kadm5_client_context * context,krb5_storage * sp)41 _kadm5_client_send(kadm5_client_context *context, krb5_storage *sp)
42 {
43     krb5_data msg, out;
44     krb5_error_code ret;
45     size_t len;
46     krb5_storage *sock;
47 
48     assert(context->sock != -1);
49 
50     len = krb5_storage_seek(sp, 0, SEEK_CUR);
51     ret = krb5_data_alloc(&msg, len);
52     if (ret) {
53 	krb5_clear_error_message(context->context);
54 	return ret;
55     }
56     krb5_storage_seek(sp, 0, SEEK_SET);
57     krb5_storage_read(sp, msg.data, msg.length);
58 
59     ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
60     krb5_data_free(&msg);
61     if(ret)
62 	return ret;
63 
64     sock = krb5_storage_from_fd(context->sock);
65     if(sock == NULL) {
66 	krb5_clear_error_message(context->context);
67 	krb5_data_free(&out);
68 	return ENOMEM;
69     }
70 
71     ret = krb5_store_data(sock, out);
72     if (ret)
73 	krb5_clear_error_message(context->context);
74     krb5_storage_free(sock);
75     krb5_data_free(&out);
76     return ret;
77 }
78 
79 kadm5_ret_t
_kadm5_client_recv(kadm5_client_context * context,krb5_data * reply)80 _kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
81 {
82     krb5_error_code ret;
83     krb5_data data;
84     krb5_storage *sock;
85 
86     sock = krb5_storage_from_fd(context->sock);
87     if(sock == NULL) {
88 	krb5_clear_error_message(context->context);
89 	return ENOMEM;
90     }
91     ret = krb5_ret_data(sock, &data);
92     krb5_storage_free(sock);
93     krb5_clear_error_message(context->context);
94     if(ret == KRB5_CC_END)
95 	return KADM5_RPC_ERROR;
96     else if(ret)
97 	return ret;
98 
99     ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
100     krb5_data_free(&data);
101     return ret;
102 }
103 
104