send_recv.c revision 120945 
1/*
2 * Copyright (c) 1997-2003 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 "kadm5_locl.h"
35
36RCSID("$Id: send_recv.c,v 1.10 2003/04/16 17:58:59 lha Exp $");
37
38kadm5_ret_t
39_kadm5_client_send(kadm5_client_context *context, krb5_storage *sp)
40{
41    krb5_data msg, out;
42    krb5_error_code ret;
43    size_t len;
44    krb5_storage *sock;
45
46    assert(context->sock != -1);
47
48    len = krb5_storage_seek(sp, 0, SEEK_CUR);
49    ret = krb5_data_alloc(&msg, len);
50    if (ret)
51	return ret;
52    krb5_storage_seek(sp, 0, SEEK_SET);
53    krb5_storage_read(sp, msg.data, msg.length);
54
55    ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
56    krb5_data_free(&msg);
57    if(ret)
58	return ret;
59
60    sock = krb5_storage_from_fd(context->sock);
61    if(sock == NULL) {
62	krb5_data_free(&out);
63	return ENOMEM;
64    }
65
66    ret = krb5_store_data(sock, out);
67    krb5_storage_free(sock);
68    krb5_data_free(&out);
69    return ret;
70}
71
72kadm5_ret_t
73_kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
74{
75    krb5_error_code ret;
76    krb5_data data;
77    krb5_storage *sock;
78
79    sock = krb5_storage_from_fd(context->sock);
80    if(sock == NULL)
81	return ENOMEM;
82    ret = krb5_ret_data(sock, &data);
83    krb5_storage_free(sock);
84    if(ret == KRB5_CC_END)
85	return KADM5_RPC_ERROR;
86    else if(ret)
87	return ret;
88
89    ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
90    krb5_data_free(&data);
91    return ret;
92}
93
94