write_message.c revision 78527 
1/*
2 * Copyright (c) 1997 - 2001 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 1.7 2001/05/14 06:14:52 assar 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    int ret;
46
47    len = data->length;
48    _krb5_put_int(buf, len, 4);
49    if (krb5_net_write (context, p_fd, buf, 4) != 4
50	|| krb5_net_write (context, p_fd, data->data, len) != len) {
51	ret = errno;
52	krb5_set_error_string (context, "write: %s", strerror(ret));
53	return ret;
54    }
55    return 0;
56}
57
58krb5_error_code
59krb5_write_priv_message(krb5_context context,
60			krb5_auth_context ac,
61			krb5_pointer p_fd,
62			krb5_data *data)
63{
64    krb5_error_code ret;
65    krb5_data packet;
66
67    ret = krb5_mk_priv (context, ac, data, &packet, NULL);
68    if(ret)
69	return ret;
70    ret = krb5_write_message(context, p_fd, &packet);
71    krb5_data_free(&packet);
72    return ret;
73}
74
75krb5_error_code
76krb5_write_safe_message(krb5_context context,
77			krb5_auth_context ac,
78			krb5_boolean priv,
79			krb5_pointer p_fd,
80			krb5_data *data)
81{
82    krb5_error_code ret;
83    krb5_data packet;
84    ret = krb5_mk_safe (context, ac, data, &packet, NULL);
85    if(ret)
86	return ret;
87    ret = krb5_write_message(context, p_fd, &packet);
88    krb5_data_free(&packet);
89    return ret;
90}
91