write_message.c revision 72445 
1/*
2 * Copyright (c) 1997 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 "krb5_locl.h"
35
36RCSID("$Id: write_message.c,v 1.6 2000/07/21 23:49:09 joda Exp $");
37
38krb5_error_code
39krb5_write_message (krb5_context context,
40		    krb5_pointer p_fd,
41		    krb5_data *data)
42{
43    u_int32_t len;
44    u_int8_t buf[4];
45
46    len = data->length;
47    _krb5_put_int(buf, len, 4);
48    if (krb5_net_write (context, p_fd, buf, 4) != 4
49	|| krb5_net_write (context, p_fd, data->data, len) != len)
50	return errno;
51    return 0;
52}
53
54krb5_error_code
55krb5_write_priv_message(krb5_context context,
56			krb5_auth_context ac,
57			krb5_pointer p_fd,
58			krb5_data *data)
59{
60    krb5_error_code ret;
61    krb5_data packet;
62    ret = krb5_mk_priv (context, ac, data, &packet, NULL);
63    if(ret)
64	return ret;
65    ret = krb5_write_message(context, p_fd, &packet);
66    krb5_data_free(&packet);
67    return ret;
68}
69
70krb5_error_code
71krb5_write_safe_message(krb5_context context,
72			krb5_auth_context ac,
73			krb5_boolean priv,
74			krb5_pointer p_fd,
75			krb5_data *data)
76{
77    krb5_error_code ret;
78    krb5_data packet;
79    ret = krb5_mk_safe (context, ac, data, &packet, NULL);
80    if(ret)
81	return ret;
82    ret = krb5_write_message(context, p_fd, &packet);
83    krb5_data_free(&packet);
84    return ret;
85}
86