1 /*	$NetBSD: write_message.c,v 1.1.1.1 2011/04/13 18:15:39 elric 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
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
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
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