freebsd-dev/crypto/heimdal/lib/krb5/write_message.c

90 lines
2.9 KiB
C

/*
* Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "krb5_locl.h"
RCSID("$Id: write_message.c,v 1.8 2001/07/02 18:43:06 joda Exp $");
krb5_error_code
krb5_write_message (krb5_context context,
krb5_pointer p_fd,
krb5_data *data)
{
u_int32_t len;
u_int8_t buf[4];
int ret;
len = data->length;
_krb5_put_int(buf, len, 4);
if (krb5_net_write (context, p_fd, buf, 4) != 4
|| krb5_net_write (context, p_fd, data->data, len) != len) {
ret = errno;
krb5_set_error_string (context, "write: %s", strerror(ret));
return ret;
}
return 0;
}
krb5_error_code
krb5_write_priv_message(krb5_context context,
krb5_auth_context ac,
krb5_pointer p_fd,
krb5_data *data)
{
krb5_error_code ret;
krb5_data packet;
ret = krb5_mk_priv (context, ac, data, &packet, NULL);
if(ret)
return ret;
ret = krb5_write_message(context, p_fd, &packet);
krb5_data_free(&packet);
return ret;
}
krb5_error_code
krb5_write_safe_message(krb5_context context,
krb5_auth_context ac,
krb5_pointer p_fd,
krb5_data *data)
{
krb5_error_code ret;
krb5_data packet;
ret = krb5_mk_safe (context, ac, data, &packet, NULL);
if(ret)
return ret;
ret = krb5_write_message(context, p_fd, &packet);
krb5_data_free(&packet);
return ret;
}