1 /* $NetBSD: write_message.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997 - 2001 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 "krb5_locl.h"
37
38 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_write_message(krb5_context context,krb5_pointer p_fd,krb5_data * data)39 krb5_write_message (krb5_context context,
40 krb5_pointer p_fd,
41 krb5_data *data)
42 {
43 uint32_t len;
44 uint8_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_message (context, ret, "write: %s", strerror(ret));
53 return ret;
54 }
55 return 0;
56 }
57
58 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_write_priv_message(krb5_context context,krb5_auth_context ac,krb5_pointer p_fd,krb5_data * data)59 krb5_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
75 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_write_safe_message(krb5_context context,krb5_auth_context ac,krb5_pointer p_fd,krb5_data * data)76 krb5_write_safe_message(krb5_context context,
77 krb5_auth_context ac,
78 krb5_pointer p_fd,
79 krb5_data *data)
80 {
81 krb5_error_code ret;
82 krb5_data packet;
83 ret = krb5_mk_safe (context, ac, data, &packet, NULL);
84 if(ret)
85 return ret;
86 ret = krb5_write_message(context, p_fd, &packet);
87 krb5_data_free(&packet);
88 return ret;
89 }
90